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| author | akiyamn | 2023-09-24 23:22:21 +1000 |
|---|---|---|
| committer | akiyamn | 2023-09-24 23:22:21 +1000 |
| commit | 4e87195739f2a5d9a05451b48773c8afdc680765 (patch) | |
| tree | 9cba501844a4a11dcbdffc4050ed8189561c55ed /node_modules/rollup-plugin-node-polyfills/polyfills/crypto-browserify.js | |
| download | price-tracker-worker-4e87195739f2a5d9a05451b48773c8afdc680765.tar.gz price-tracker-worker-4e87195739f2a5d9a05451b48773c8afdc680765.zip | |
Initial commit (by create-cloudflare CLI)
Diffstat (limited to 'node_modules/rollup-plugin-node-polyfills/polyfills/crypto-browserify.js')
| -rw-r--r-- | node_modules/rollup-plugin-node-polyfills/polyfills/crypto-browserify.js | 16432 |
1 files changed, 16432 insertions, 0 deletions
diff --git a/node_modules/rollup-plugin-node-polyfills/polyfills/crypto-browserify.js b/node_modules/rollup-plugin-node-polyfills/polyfills/crypto-browserify.js new file mode 100644 index 0000000..46b99cb --- /dev/null +++ b/node_modules/rollup-plugin-node-polyfills/polyfills/crypto-browserify.js @@ -0,0 +1,16432 @@ +import buffer$1 from 'buffer'; +import stream from 'stream'; +import string_decoder from 'string_decoder'; +import crypto$1 from 'crypto'; +import vm from 'vm'; + +var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {}; + +function createCommonjsModule(fn, module) { + return module = { exports: {} }, fn(module, module.exports), module.exports; +} + +function getCjsExportFromNamespace (n) { + return n && n['default'] || n; +} + +var safeBuffer = createCommonjsModule(function (module, exports) { +/* eslint-disable node/no-deprecated-api */ + +var Buffer = buffer$1.Buffer; + +// alternative to using Object.keys for old browsers +function copyProps (src, dst) { + for (var key in src) { + dst[key] = src[key]; + } +} +if (Buffer.from && Buffer.alloc && Buffer.allocUnsafe && Buffer.allocUnsafeSlow) { + module.exports = buffer$1; +} else { + // Copy properties from require('buffer') + copyProps(buffer$1, exports); + exports.Buffer = SafeBuffer; +} + +function SafeBuffer (arg, encodingOrOffset, length) { + return Buffer(arg, encodingOrOffset, length) +} + +// Copy static methods from Buffer +copyProps(Buffer, SafeBuffer); + +SafeBuffer.from = function (arg, encodingOrOffset, length) { + if (typeof arg === 'number') { + throw new TypeError('Argument must not be a number') + } + return Buffer(arg, encodingOrOffset, length) +}; + +SafeBuffer.alloc = function (size, fill, encoding) { + if (typeof size !== 'number') { + throw new TypeError('Argument must be a number') + } + var buf = Buffer(size); + if (fill !== undefined) { + if (typeof encoding === 'string') { + buf.fill(fill, encoding); + } else { + buf.fill(fill); + } + } else { + buf.fill(0); + } + return buf +}; + +SafeBuffer.allocUnsafe = function (size) { + if (typeof size !== 'number') { + throw new TypeError('Argument must be a number') + } + return Buffer(size) +}; + +SafeBuffer.allocUnsafeSlow = function (size) { + if (typeof size !== 'number') { + throw new TypeError('Argument must be a number') + } + return buffer$1.SlowBuffer(size) +}; +}); +var safeBuffer_1 = safeBuffer.Buffer; + +var browser = createCommonjsModule(function (module) { + +// limit of Crypto.getRandomValues() +// https://developer.mozilla.org/en-US/docs/Web/API/Crypto/getRandomValues +var MAX_BYTES = 65536; + +// Node supports requesting up to this number of bytes +// https://github.com/nodejs/node/blob/master/lib/internal/crypto/random.js#L48 +var MAX_UINT32 = 4294967295; + +function oldBrowser () { + throw new Error('Secure random number generation is not supported by this browser.\nUse Chrome, Firefox or Internet Explorer 11') +} + +var Buffer = safeBuffer.Buffer; +var crypto = commonjsGlobal.crypto || commonjsGlobal.msCrypto; + +if (crypto && crypto.getRandomValues) { + module.exports = randomBytes; +} else { + module.exports = oldBrowser; +} + +function randomBytes (size, cb) { + // phantomjs needs to throw + if (size > MAX_UINT32) throw new RangeError('requested too many random bytes') + + var bytes = Buffer.allocUnsafe(size); + + if (size > 0) { // getRandomValues fails on IE if size == 0 + if (size > MAX_BYTES) { // this is the max bytes crypto.getRandomValues + // can do at once see https://developer.mozilla.org/en-US/docs/Web/API/window.crypto.getRandomValues + for (var generated = 0; generated < size; generated += MAX_BYTES) { + // buffer.slice automatically checks if the end is past the end of + // the buffer so we don't have to here + crypto.getRandomValues(bytes.slice(generated, generated + MAX_BYTES)); + } + } else { + crypto.getRandomValues(bytes); + } + } + + if (typeof cb === 'function') { + return process.nextTick(function () { + cb(null, bytes); + }) + } + + return bytes +} +}); + +var inherits_browser = createCommonjsModule(function (module) { +if (typeof Object.create === 'function') { + // implementation from standard node.js 'util' module + module.exports = function inherits(ctor, superCtor) { + ctor.super_ = superCtor; + ctor.prototype = Object.create(superCtor.prototype, { + constructor: { + value: ctor, + enumerable: false, + writable: true, + configurable: true + } + }); + }; +} else { + // old school shim for old browsers + module.exports = function inherits(ctor, superCtor) { + ctor.super_ = superCtor; + var TempCtor = function () {}; + TempCtor.prototype = superCtor.prototype; + ctor.prototype = new TempCtor(); + ctor.prototype.constructor = ctor; + }; +} +}); + +var Buffer$1 = safeBuffer.Buffer; +var Transform = stream.Transform; + + +function throwIfNotStringOrBuffer (val, prefix) { + if (!Buffer$1.isBuffer(val) && typeof val !== 'string') { + throw new TypeError(prefix + ' must be a string or a buffer') + } +} + +function HashBase (blockSize) { + Transform.call(this); + + this._block = Buffer$1.allocUnsafe(blockSize); + this._blockSize = blockSize; + this._blockOffset = 0; + this._length = [0, 0, 0, 0]; + + this._finalized = false; +} + +inherits_browser(HashBase, Transform); + +HashBase.prototype._transform = function (chunk, encoding, callback) { + var error = null; + try { + this.update(chunk, encoding); + } catch (err) { + error = err; + } + + callback(error); +}; + +HashBase.prototype._flush = function (callback) { + var error = null; + try { + this.push(this.digest()); + } catch (err) { + error = err; + } + + callback(error); +}; + +HashBase.prototype.update = function (data, encoding) { + throwIfNotStringOrBuffer(data, 'Data'); + if (this._finalized) throw new Error('Digest already called') + if (!Buffer$1.isBuffer(data)) data = Buffer$1.from(data, encoding); + + // consume data + var block = this._block; + var offset = 0; + while (this._blockOffset + data.length - offset >= this._blockSize) { + for (var i = this._blockOffset; i < this._blockSize;) block[i++] = data[offset++]; + this._update(); + this._blockOffset = 0; + } + while (offset < data.length) block[this._blockOffset++] = data[offset++]; + + // update length + for (var j = 0, carry = data.length * 8; carry > 0; ++j) { + this._length[j] += carry; + carry = (this._length[j] / 0x0100000000) | 0; + if (carry > 0) this._length[j] -= 0x0100000000 * carry; + } + + return this +}; + +HashBase.prototype._update = function () { + throw new Error('_update is not implemented') +}; + +HashBase.prototype.digest = function (encoding) { + if (this._finalized) throw new Error('Digest already called') + this._finalized = true; + + var digest = this._digest(); + if (encoding !== undefined) digest = digest.toString(encoding); + + // reset state + this._block.fill(0); + this._blockOffset = 0; + for (var i = 0; i < 4; ++i) this._length[i] = 0; + + return digest +}; + +HashBase.prototype._digest = function () { + throw new Error('_digest is not implemented') +}; + +var hashBase = HashBase; + +var Buffer$2 = safeBuffer.Buffer; + +var ARRAY16 = new Array(16); + +function MD5 () { + hashBase.call(this, 64); + + // state + this._a = 0x67452301; + this._b = 0xefcdab89; + this._c = 0x98badcfe; + this._d = 0x10325476; +} + +inherits_browser(MD5, hashBase); + +MD5.prototype._update = function () { + var M = ARRAY16; + for (var i = 0; i < 16; ++i) M[i] = this._block.readInt32LE(i * 4); + + var a = this._a; + var b = this._b; + var c = this._c; + var d = this._d; + + a = fnF(a, b, c, d, M[0], 0xd76aa478, 7); + d = fnF(d, a, b, c, M[1], 0xe8c7b756, 12); + c = fnF(c, d, a, b, M[2], 0x242070db, 17); + b = fnF(b, c, d, a, M[3], 0xc1bdceee, 22); + a = fnF(a, b, c, d, M[4], 0xf57c0faf, 7); + d = fnF(d, a, b, c, M[5], 0x4787c62a, 12); + c = fnF(c, d, a, b, M[6], 0xa8304613, 17); + b = fnF(b, c, d, a, M[7], 0xfd469501, 22); + a = fnF(a, b, c, d, M[8], 0x698098d8, 7); + d = fnF(d, a, b, c, M[9], 0x8b44f7af, 12); + c = fnF(c, d, a, b, M[10], 0xffff5bb1, 17); + b = fnF(b, c, d, a, M[11], 0x895cd7be, 22); + a = fnF(a, b, c, d, M[12], 0x6b901122, 7); + d = fnF(d, a, b, c, M[13], 0xfd987193, 12); + c = fnF(c, d, a, b, M[14], 0xa679438e, 17); + b = fnF(b, c, d, a, M[15], 0x49b40821, 22); + + a = fnG(a, b, c, d, M[1], 0xf61e2562, 5); + d = fnG(d, a, b, c, M[6], 0xc040b340, 9); + c = fnG(c, d, a, b, M[11], 0x265e5a51, 14); + b = fnG(b, c, d, a, M[0], 0xe9b6c7aa, 20); + a = fnG(a, b, c, d, M[5], 0xd62f105d, 5); + d = fnG(d, a, b, c, M[10], 0x02441453, 9); + c = fnG(c, d, a, b, M[15], 0xd8a1e681, 14); + b = fnG(b, c, d, a, M[4], 0xe7d3fbc8, 20); + a = fnG(a, b, c, d, M[9], 0x21e1cde6, 5); + d = fnG(d, a, b, c, M[14], 0xc33707d6, 9); + c = fnG(c, d, a, b, M[3], 0xf4d50d87, 14); + b = fnG(b, c, d, a, M[8], 0x455a14ed, 20); + a = fnG(a, b, c, d, M[13], 0xa9e3e905, 5); + d = fnG(d, a, b, c, M[2], 0xfcefa3f8, 9); + c = fnG(c, d, a, b, M[7], 0x676f02d9, 14); + b = fnG(b, c, d, a, M[12], 0x8d2a4c8a, 20); + + a = fnH(a, b, c, d, M[5], 0xfffa3942, 4); + d = fnH(d, a, b, c, M[8], 0x8771f681, 11); + c = fnH(c, d, a, b, M[11], 0x6d9d6122, 16); + b = fnH(b, c, d, a, M[14], 0xfde5380c, 23); + a = fnH(a, b, c, d, M[1], 0xa4beea44, 4); + d = fnH(d, a, b, c, M[4], 0x4bdecfa9, 11); + c = fnH(c, d, a, b, M[7], 0xf6bb4b60, 16); + b = fnH(b, c, d, a, M[10], 0xbebfbc70, 23); + a = fnH(a, b, c, d, M[13], 0x289b7ec6, 4); + d = fnH(d, a, b, c, M[0], 0xeaa127fa, 11); + c = fnH(c, d, a, b, M[3], 0xd4ef3085, 16); + b = fnH(b, c, d, a, M[6], 0x04881d05, 23); + a = fnH(a, b, c, d, M[9], 0xd9d4d039, 4); + d = fnH(d, a, b, c, M[12], 0xe6db99e5, 11); + c = fnH(c, d, a, b, M[15], 0x1fa27cf8, 16); + b = fnH(b, c, d, a, M[2], 0xc4ac5665, 23); + + a = fnI(a, b, c, d, M[0], 0xf4292244, 6); + d = fnI(d, a, b, c, M[7], 0x432aff97, 10); + c = fnI(c, d, a, b, M[14], 0xab9423a7, 15); + b = fnI(b, c, d, a, M[5], 0xfc93a039, 21); + a = fnI(a, b, c, d, M[12], 0x655b59c3, 6); + d = fnI(d, a, b, c, M[3], 0x8f0ccc92, 10); + c = fnI(c, d, a, b, M[10], 0xffeff47d, 15); + b = fnI(b, c, d, a, M[1], 0x85845dd1, 21); + a = fnI(a, b, c, d, M[8], 0x6fa87e4f, 6); + d = fnI(d, a, b, c, M[15], 0xfe2ce6e0, 10); + c = fnI(c, d, a, b, M[6], 0xa3014314, 15); + b = fnI(b, c, d, a, M[13], 0x4e0811a1, 21); + a = fnI(a, b, c, d, M[4], 0xf7537e82, 6); + d = fnI(d, a, b, c, M[11], 0xbd3af235, 10); + c = fnI(c, d, a, b, M[2], 0x2ad7d2bb, 15); + b = fnI(b, c, d, a, M[9], 0xeb86d391, 21); + + this._a = (this._a + a) | 0; + this._b = (this._b + b) | 0; + this._c = (this._c + c) | 0; + this._d = (this._d + d) | 0; +}; + +MD5.prototype._digest = function () { + // create padding and handle blocks + this._block[this._blockOffset++] = 0x80; + if (this._blockOffset > 56) { + this._block.fill(0, this._blockOffset, 64); + this._update(); + this._blockOffset = 0; + } + + this._block.fill(0, this._blockOffset, 56); + this._block.writeUInt32LE(this._length[0], 56); + this._block.writeUInt32LE(this._length[1], 60); + this._update(); + + // produce result + var buffer = Buffer$2.allocUnsafe(16); + buffer.writeInt32LE(this._a, 0); + buffer.writeInt32LE(this._b, 4); + buffer.writeInt32LE(this._c, 8); + buffer.writeInt32LE(this._d, 12); + return buffer +}; + +function rotl (x, n) { + return (x << n) | (x >>> (32 - n)) +} + +function fnF (a, b, c, d, m, k, s) { + return (rotl((a + ((b & c) | ((~b) & d)) + m + k) | 0, s) + b) | 0 +} + +function fnG (a, b, c, d, m, k, s) { + return (rotl((a + ((b & d) | (c & (~d))) + m + k) | 0, s) + b) | 0 +} + +function fnH (a, b, c, d, m, k, s) { + return (rotl((a + (b ^ c ^ d) + m + k) | 0, s) + b) | 0 +} + +function fnI (a, b, c, d, m, k, s) { + return (rotl((a + ((c ^ (b | (~d)))) + m + k) | 0, s) + b) | 0 +} + +var md5_js = MD5; + +var Buffer$3 = buffer$1.Buffer; + + + +var ARRAY16$1 = new Array(16); + +var zl = [ + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8, + 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12, + 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2, + 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13 +]; + +var zr = [ + 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12, + 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2, + 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13, + 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14, + 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11 +]; + +var sl = [ + 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8, + 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12, + 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5, + 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12, + 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6 +]; + +var sr = [ + 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6, + 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11, + 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5, + 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8, + 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11 +]; + +var hl = [0x00000000, 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xa953fd4e]; +var hr = [0x50a28be6, 0x5c4dd124, 0x6d703ef3, 0x7a6d76e9, 0x00000000]; + +function RIPEMD160 () { + hashBase.call(this, 64); + + // state + this._a = 0x67452301; + this._b = 0xefcdab89; + this._c = 0x98badcfe; + this._d = 0x10325476; + this._e = 0xc3d2e1f0; +} + +inherits_browser(RIPEMD160, hashBase); + +RIPEMD160.prototype._update = function () { + var words = ARRAY16$1; + for (var j = 0; j < 16; ++j) words[j] = this._block.readInt32LE(j * 4); + + var al = this._a | 0; + var bl = this._b | 0; + var cl = this._c | 0; + var dl = this._d | 0; + var el = this._e | 0; + + var ar = this._a | 0; + var br = this._b | 0; + var cr = this._c | 0; + var dr = this._d | 0; + var er = this._e | 0; + + // computation + for (var i = 0; i < 80; i += 1) { + var tl; + var tr; + if (i < 16) { + tl = fn1(al, bl, cl, dl, el, words[zl[i]], hl[0], sl[i]); + tr = fn5(ar, br, cr, dr, er, words[zr[i]], hr[0], sr[i]); + } else if (i < 32) { + tl = fn2(al, bl, cl, dl, el, words[zl[i]], hl[1], sl[i]); + tr = fn4(ar, br, cr, dr, er, words[zr[i]], hr[1], sr[i]); + } else if (i < 48) { + tl = fn3(al, bl, cl, dl, el, words[zl[i]], hl[2], sl[i]); + tr = fn3(ar, br, cr, dr, er, words[zr[i]], hr[2], sr[i]); + } else if (i < 64) { + tl = fn4(al, bl, cl, dl, el, words[zl[i]], hl[3], sl[i]); + tr = fn2(ar, br, cr, dr, er, words[zr[i]], hr[3], sr[i]); + } else { // if (i<80) { + tl = fn5(al, bl, cl, dl, el, words[zl[i]], hl[4], sl[i]); + tr = fn1(ar, br, cr, dr, er, words[zr[i]], hr[4], sr[i]); + } + + al = el; + el = dl; + dl = rotl$1(cl, 10); + cl = bl; + bl = tl; + + ar = er; + er = dr; + dr = rotl$1(cr, 10); + cr = br; + br = tr; + } + + // update state + var t = (this._b + cl + dr) | 0; + this._b = (this._c + dl + er) | 0; + this._c = (this._d + el + ar) | 0; + this._d = (this._e + al + br) | 0; + this._e = (this._a + bl + cr) | 0; + this._a = t; +}; + +RIPEMD160.prototype._digest = function () { + // create padding and handle blocks + this._block[this._blockOffset++] = 0x80; + if (this._blockOffset > 56) { + this._block.fill(0, this._blockOffset, 64); + this._update(); + this._blockOffset = 0; + } + + this._block.fill(0, this._blockOffset, 56); + this._block.writeUInt32LE(this._length[0], 56); + this._block.writeUInt32LE(this._length[1], 60); + this._update(); + + // produce result + var buffer = Buffer$3.alloc ? Buffer$3.alloc(20) : new Buffer$3(20); + buffer.writeInt32LE(this._a, 0); + buffer.writeInt32LE(this._b, 4); + buffer.writeInt32LE(this._c, 8); + buffer.writeInt32LE(this._d, 12); + buffer.writeInt32LE(this._e, 16); + return buffer +}; + +function rotl$1 (x, n) { + return (x << n) | (x >>> (32 - n)) +} + +function fn1 (a, b, c, d, e, m, k, s) { + return (rotl$1((a + (b ^ c ^ d) + m + k) | 0, s) + e) | 0 +} + +function fn2 (a, b, c, d, e, m, k, s) { + return (rotl$1((a + ((b & c) | ((~b) & d)) + m + k) | 0, s) + e) | 0 +} + +function fn3 (a, b, c, d, e, m, k, s) { + return (rotl$1((a + ((b | (~c)) ^ d) + m + k) | 0, s) + e) | 0 +} + +function fn4 (a, b, c, d, e, m, k, s) { + return (rotl$1((a + ((b & d) | (c & (~d))) + m + k) | 0, s) + e) | 0 +} + +function fn5 (a, b, c, d, e, m, k, s) { + return (rotl$1((a + (b ^ (c | (~d))) + m + k) | 0, s) + e) | 0 +} + +var ripemd160 = RIPEMD160; + +var Buffer$4 = safeBuffer.Buffer; + +// prototype class for hash functions +function Hash (blockSize, finalSize) { + this._block = Buffer$4.alloc(blockSize); + this._finalSize = finalSize; + this._blockSize = blockSize; + this._len = 0; +} + +Hash.prototype.update = function (data, enc) { + if (typeof data === 'string') { + enc = enc || 'utf8'; + data = Buffer$4.from(data, enc); + } + + var block = this._block; + var blockSize = this._blockSize; + var length = data.length; + var accum = this._len; + + for (var offset = 0; offset < length;) { + var assigned = accum % blockSize; + var remainder = Math.min(length - offset, blockSize - assigned); + + for (var i = 0; i < remainder; i++) { + block[assigned + i] = data[offset + i]; + } + + accum += remainder; + offset += remainder; + + if ((accum % blockSize) === 0) { + this._update(block); + } + } + + this._len += length; + return this +}; + +Hash.prototype.digest = function (enc) { + var rem = this._len % this._blockSize; + + this._block[rem] = 0x80; + + // zero (rem + 1) trailing bits, where (rem + 1) is the smallest + // non-negative solution to the equation (length + 1 + (rem + 1)) === finalSize mod blockSize + this._block.fill(0, rem + 1); + + if (rem >= this._finalSize) { + this._update(this._block); + this._block.fill(0); + } + + var bits = this._len * 8; + + // uint32 + if (bits <= 0xffffffff) { + this._block.writeUInt32BE(bits, this._blockSize - 4); + + // uint64 + } else { + var lowBits = (bits & 0xffffffff) >>> 0; + var highBits = (bits - lowBits) / 0x100000000; + + this._block.writeUInt32BE(highBits, this._blockSize - 8); + this._block.writeUInt32BE(lowBits, this._blockSize - 4); + } + + this._update(this._block); + var hash = this._hash(); + + return enc ? hash.toString(enc) : hash +}; + +Hash.prototype._update = function () { + throw new Error('_update must be implemented by subclass') +}; + +var hash = Hash; + +/* + * A JavaScript implementation of the Secure Hash Algorithm, SHA-0, as defined + * in FIPS PUB 180-1 + * This source code is derived from sha1.js of the same repository. + * The difference between SHA-0 and SHA-1 is just a bitwise rotate left + * operation was added. + */ + + + +var Buffer$5 = safeBuffer.Buffer; + +var K = [ + 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0 +]; + +var W = new Array(80); + +function Sha () { + this.init(); + this._w = W; + + hash.call(this, 64, 56); +} + +inherits_browser(Sha, hash); + +Sha.prototype.init = function () { + this._a = 0x67452301; + this._b = 0xefcdab89; + this._c = 0x98badcfe; + this._d = 0x10325476; + this._e = 0xc3d2e1f0; + + return this +}; + +function rotl5 (num) { + return (num << 5) | (num >>> 27) +} + +function rotl30 (num) { + return (num << 30) | (num >>> 2) +} + +function ft (s, b, c, d) { + if (s === 0) return (b & c) | ((~b) & d) + if (s === 2) return (b & c) | (b & d) | (c & d) + return b ^ c ^ d +} + +Sha.prototype._update = function (M) { + var W = this._w; + + var a = this._a | 0; + var b = this._b | 0; + var c = this._c | 0; + var d = this._d | 0; + var e = this._e | 0; + + for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4); + for (; i < 80; ++i) W[i] = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16]; + + for (var j = 0; j < 80; ++j) { + var s = ~~(j / 20); + var t = (rotl5(a) + ft(s, b, c, d) + e + W[j] + K[s]) | 0; + + e = d; + d = c; + c = rotl30(b); + b = a; + a = t; + } + + this._a = (a + this._a) | 0; + this._b = (b + this._b) | 0; + this._c = (c + this._c) | 0; + this._d = (d + this._d) | 0; + this._e = (e + this._e) | 0; +}; + +Sha.prototype._hash = function () { + var H = Buffer$5.allocUnsafe(20); + + H.writeInt32BE(this._a | 0, 0); + H.writeInt32BE(this._b | 0, 4); + H.writeInt32BE(this._c | 0, 8); + H.writeInt32BE(this._d | 0, 12); + H.writeInt32BE(this._e | 0, 16); + + return H +}; + +var sha = Sha; + +/* + * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined + * in FIPS PUB 180-1 + * Version 2.1a Copyright Paul Johnston 2000 - 2002. + * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet + * Distributed under the BSD License + * See http://pajhome.org.uk/crypt/md5 for details. + */ + + + +var Buffer$6 = safeBuffer.Buffer; + +var K$1 = [ + 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc | 0, 0xca62c1d6 | 0 +]; + +var W$1 = new Array(80); + +function Sha1 () { + this.init(); + this._w = W$1; + + hash.call(this, 64, 56); +} + +inherits_browser(Sha1, hash); + +Sha1.prototype.init = function () { + this._a = 0x67452301; + this._b = 0xefcdab89; + this._c = 0x98badcfe; + this._d = 0x10325476; + this._e = 0xc3d2e1f0; + + return this +}; + +function rotl1 (num) { + return (num << 1) | (num >>> 31) +} + +function rotl5$1 (num) { + return (num << 5) | (num >>> 27) +} + +function rotl30$1 (num) { + return (num << 30) | (num >>> 2) +} + +function ft$1 (s, b, c, d) { + if (s === 0) return (b & c) | ((~b) & d) + if (s === 2) return (b & c) | (b & d) | (c & d) + return b ^ c ^ d +} + +Sha1.prototype._update = function (M) { + var W = this._w; + + var a = this._a | 0; + var b = this._b | 0; + var c = this._c | 0; + var d = this._d | 0; + var e = this._e | 0; + + for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4); + for (; i < 80; ++i) W[i] = rotl1(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16]); + + for (var j = 0; j < 80; ++j) { + var s = ~~(j / 20); + var t = (rotl5$1(a) + ft$1(s, b, c, d) + e + W[j] + K$1[s]) | 0; + + e = d; + d = c; + c = rotl30$1(b); + b = a; + a = t; + } + + this._a = (a + this._a) | 0; + this._b = (b + this._b) | 0; + this._c = (c + this._c) | 0; + this._d = (d + this._d) | 0; + this._e = (e + this._e) | 0; +}; + +Sha1.prototype._hash = function () { + var H = Buffer$6.allocUnsafe(20); + + H.writeInt32BE(this._a | 0, 0); + H.writeInt32BE(this._b | 0, 4); + H.writeInt32BE(this._c | 0, 8); + H.writeInt32BE(this._d | 0, 12); + H.writeInt32BE(this._e | 0, 16); + + return H +}; + +var sha1 = Sha1; + +/** + * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined + * in FIPS 180-2 + * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009. + * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet + * + */ + + + +var Buffer$7 = safeBuffer.Buffer; + +var K$2 = [ + 0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5, + 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5, + 0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3, + 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174, + 0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC, + 0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA, + 0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7, + 0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967, + 0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13, + 0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85, + 0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3, + 0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070, + 0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5, + 0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3, + 0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208, + 0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2 +]; + +var W$2 = new Array(64); + +function Sha256 () { + this.init(); + + this._w = W$2; // new Array(64) + + hash.call(this, 64, 56); +} + +inherits_browser(Sha256, hash); + +Sha256.prototype.init = function () { + this._a = 0x6a09e667; + this._b = 0xbb67ae85; + this._c = 0x3c6ef372; + this._d = 0xa54ff53a; + this._e = 0x510e527f; + this._f = 0x9b05688c; + this._g = 0x1f83d9ab; + this._h = 0x5be0cd19; + + return this +}; + +function ch (x, y, z) { + return z ^ (x & (y ^ z)) +} + +function maj (x, y, z) { + return (x & y) | (z & (x | y)) +} + +function sigma0 (x) { + return (x >>> 2 | x << 30) ^ (x >>> 13 | x << 19) ^ (x >>> 22 | x << 10) +} + +function sigma1 (x) { + return (x >>> 6 | x << 26) ^ (x >>> 11 | x << 21) ^ (x >>> 25 | x << 7) +} + +function gamma0 (x) { + return (x >>> 7 | x << 25) ^ (x >>> 18 | x << 14) ^ (x >>> 3) +} + +function gamma1 (x) { + return (x >>> 17 | x << 15) ^ (x >>> 19 | x << 13) ^ (x >>> 10) +} + +Sha256.prototype._update = function (M) { + var W = this._w; + + var a = this._a | 0; + var b = this._b | 0; + var c = this._c | 0; + var d = this._d | 0; + var e = this._e | 0; + var f = this._f | 0; + var g = this._g | 0; + var h = this._h | 0; + + for (var i = 0; i < 16; ++i) W[i] = M.readInt32BE(i * 4); + for (; i < 64; ++i) W[i] = (gamma1(W[i - 2]) + W[i - 7] + gamma0(W[i - 15]) + W[i - 16]) | 0; + + for (var j = 0; j < 64; ++j) { + var T1 = (h + sigma1(e) + ch(e, f, g) + K$2[j] + W[j]) | 0; + var T2 = (sigma0(a) + maj(a, b, c)) | 0; + + h = g; + g = f; + f = e; + e = (d + T1) | 0; + d = c; + c = b; + b = a; + a = (T1 + T2) | 0; + } + + this._a = (a + this._a) | 0; + this._b = (b + this._b) | 0; + this._c = (c + this._c) | 0; + this._d = (d + this._d) | 0; + this._e = (e + this._e) | 0; + this._f = (f + this._f) | 0; + this._g = (g + this._g) | 0; + this._h = (h + this._h) | 0; +}; + +Sha256.prototype._hash = function () { + var H = Buffer$7.allocUnsafe(32); + + H.writeInt32BE(this._a, 0); + H.writeInt32BE(this._b, 4); + H.writeInt32BE(this._c, 8); + H.writeInt32BE(this._d, 12); + H.writeInt32BE(this._e, 16); + H.writeInt32BE(this._f, 20); + H.writeInt32BE(this._g, 24); + H.writeInt32BE(this._h, 28); + + return H +}; + +var sha256 = Sha256; + +/** + * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined + * in FIPS 180-2 + * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009. + * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet + * + */ + + + + +var Buffer$8 = safeBuffer.Buffer; + +var W$3 = new Array(64); + +function Sha224 () { + this.init(); + + this._w = W$3; // new Array(64) + + hash.call(this, 64, 56); +} + +inherits_browser(Sha224, sha256); + +Sha224.prototype.init = function () { + this._a = 0xc1059ed8; + this._b = 0x367cd507; + this._c = 0x3070dd17; + this._d = 0xf70e5939; + this._e = 0xffc00b31; + this._f = 0x68581511; + this._g = 0x64f98fa7; + this._h = 0xbefa4fa4; + + return this +}; + +Sha224.prototype._hash = function () { + var H = Buffer$8.allocUnsafe(28); + + H.writeInt32BE(this._a, 0); + H.writeInt32BE(this._b, 4); + H.writeInt32BE(this._c, 8); + H.writeInt32BE(this._d, 12); + H.writeInt32BE(this._e, 16); + H.writeInt32BE(this._f, 20); + H.writeInt32BE(this._g, 24); + + return H +}; + +var sha224 = Sha224; + +var Buffer$9 = safeBuffer.Buffer; + +var K$3 = [ + 0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd, + 0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc, + 0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019, + 0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118, + 0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe, + 0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2, + 0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1, + 0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694, + 0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3, + 0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65, + 0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483, + 0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5, + 0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210, + 0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4, + 0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725, + 0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70, + 0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926, + 0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df, + 0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8, + 0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b, + 0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001, + 0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30, + 0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910, + 0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8, + 0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53, + 0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8, + 0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb, + 0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3, + 0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60, + 0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec, + 0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9, + 0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b, + 0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207, + 0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178, + 0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6, + 0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b, + 0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493, + 0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c, + 0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a, + 0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817 +]; + +var W$4 = new Array(160); + +function Sha512 () { + this.init(); + this._w = W$4; + + hash.call(this, 128, 112); +} + +inherits_browser(Sha512, hash); + +Sha512.prototype.init = function () { + this._ah = 0x6a09e667; + this._bh = 0xbb67ae85; + this._ch = 0x3c6ef372; + this._dh = 0xa54ff53a; + this._eh = 0x510e527f; + this._fh = 0x9b05688c; + this._gh = 0x1f83d9ab; + this._hh = 0x5be0cd19; + + this._al = 0xf3bcc908; + this._bl = 0x84caa73b; + this._cl = 0xfe94f82b; + this._dl = 0x5f1d36f1; + this._el = 0xade682d1; + this._fl = 0x2b3e6c1f; + this._gl = 0xfb41bd6b; + this._hl = 0x137e2179; + + return this +}; + +function Ch (x, y, z) { + return z ^ (x & (y ^ z)) +} + +function maj$1 (x, y, z) { + return (x & y) | (z & (x | y)) +} + +function sigma0$1 (x, xl) { + return (x >>> 28 | xl << 4) ^ (xl >>> 2 | x << 30) ^ (xl >>> 7 | x << 25) +} + +function sigma1$1 (x, xl) { + return (x >>> 14 | xl << 18) ^ (x >>> 18 | xl << 14) ^ (xl >>> 9 | x << 23) +} + +function Gamma0 (x, xl) { + return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7) +} + +function Gamma0l (x, xl) { + return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7 | xl << 25) +} + +function Gamma1 (x, xl) { + return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6) +} + +function Gamma1l (x, xl) { + return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6 | xl << 26) +} + +function getCarry (a, b) { + return (a >>> 0) < (b >>> 0) ? 1 : 0 +} + +Sha512.prototype._update = function (M) { + var W = this._w; + + var ah = this._ah | 0; + var bh = this._bh | 0; + var ch = this._ch | 0; + var dh = this._dh | 0; + var eh = this._eh | 0; + var fh = this._fh | 0; + var gh = this._gh | 0; + var hh = this._hh | 0; + + var al = this._al | 0; + var bl = this._bl | 0; + var cl = this._cl | 0; + var dl = this._dl | 0; + var el = this._el | 0; + var fl = this._fl | 0; + var gl = this._gl | 0; + var hl = this._hl | 0; + + for (var i = 0; i < 32; i += 2) { + W[i] = M.readInt32BE(i * 4); + W[i + 1] = M.readInt32BE(i * 4 + 4); + } + for (; i < 160; i += 2) { + var xh = W[i - 15 * 2]; + var xl = W[i - 15 * 2 + 1]; + var gamma0 = Gamma0(xh, xl); + var gamma0l = Gamma0l(xl, xh); + + xh = W[i - 2 * 2]; + xl = W[i - 2 * 2 + 1]; + var gamma1 = Gamma1(xh, xl); + var gamma1l = Gamma1l(xl, xh); + + // W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16] + var Wi7h = W[i - 7 * 2]; + var Wi7l = W[i - 7 * 2 + 1]; + + var Wi16h = W[i - 16 * 2]; + var Wi16l = W[i - 16 * 2 + 1]; + + var Wil = (gamma0l + Wi7l) | 0; + var Wih = (gamma0 + Wi7h + getCarry(Wil, gamma0l)) | 0; + Wil = (Wil + gamma1l) | 0; + Wih = (Wih + gamma1 + getCarry(Wil, gamma1l)) | 0; + Wil = (Wil + Wi16l) | 0; + Wih = (Wih + Wi16h + getCarry(Wil, Wi16l)) | 0; + + W[i] = Wih; + W[i + 1] = Wil; + } + + for (var j = 0; j < 160; j += 2) { + Wih = W[j]; + Wil = W[j + 1]; + + var majh = maj$1(ah, bh, ch); + var majl = maj$1(al, bl, cl); + + var sigma0h = sigma0$1(ah, al); + var sigma0l = sigma0$1(al, ah); + var sigma1h = sigma1$1(eh, el); + var sigma1l = sigma1$1(el, eh); + + // t1 = h + sigma1 + ch + K[j] + W[j] + var Kih = K$3[j]; + var Kil = K$3[j + 1]; + + var chh = Ch(eh, fh, gh); + var chl = Ch(el, fl, gl); + + var t1l = (hl + sigma1l) | 0; + var t1h = (hh + sigma1h + getCarry(t1l, hl)) | 0; + t1l = (t1l + chl) | 0; + t1h = (t1h + chh + getCarry(t1l, chl)) | 0; + t1l = (t1l + Kil) | 0; + t1h = (t1h + Kih + getCarry(t1l, Kil)) | 0; + t1l = (t1l + Wil) | 0; + t1h = (t1h + Wih + getCarry(t1l, Wil)) | 0; + + // t2 = sigma0 + maj + var t2l = (sigma0l + majl) | 0; + var t2h = (sigma0h + majh + getCarry(t2l, sigma0l)) | 0; + + hh = gh; + hl = gl; + gh = fh; + gl = fl; + fh = eh; + fl = el; + el = (dl + t1l) | 0; + eh = (dh + t1h + getCarry(el, dl)) | 0; + dh = ch; + dl = cl; + ch = bh; + cl = bl; + bh = ah; + bl = al; + al = (t1l + t2l) | 0; + ah = (t1h + t2h + getCarry(al, t1l)) | 0; + } + + this._al = (this._al + al) | 0; + this._bl = (this._bl + bl) | 0; + this._cl = (this._cl + cl) | 0; + this._dl = (this._dl + dl) | 0; + this._el = (this._el + el) | 0; + this._fl = (this._fl + fl) | 0; + this._gl = (this._gl + gl) | 0; + this._hl = (this._hl + hl) | 0; + + this._ah = (this._ah + ah + getCarry(this._al, al)) | 0; + this._bh = (this._bh + bh + getCarry(this._bl, bl)) | 0; + this._ch = (this._ch + ch + getCarry(this._cl, cl)) | 0; + this._dh = (this._dh + dh + getCarry(this._dl, dl)) | 0; + this._eh = (this._eh + eh + getCarry(this._el, el)) | 0; + this._fh = (this._fh + fh + getCarry(this._fl, fl)) | 0; + this._gh = (this._gh + gh + getCarry(this._gl, gl)) | 0; + this._hh = (this._hh + hh + getCarry(this._hl, hl)) | 0; +}; + +Sha512.prototype._hash = function () { + var H = Buffer$9.allocUnsafe(64); + + function writeInt64BE (h, l, offset) { + H.writeInt32BE(h, offset); + H.writeInt32BE(l, offset + 4); + } + + writeInt64BE(this._ah, this._al, 0); + writeInt64BE(this._bh, this._bl, 8); + writeInt64BE(this._ch, this._cl, 16); + writeInt64BE(this._dh, this._dl, 24); + writeInt64BE(this._eh, this._el, 32); + writeInt64BE(this._fh, this._fl, 40); + writeInt64BE(this._gh, this._gl, 48); + writeInt64BE(this._hh, this._hl, 56); + + return H +}; + +var sha512 = Sha512; + +var Buffer$a = safeBuffer.Buffer; + +var W$5 = new Array(160); + +function Sha384 () { + this.init(); + this._w = W$5; + + hash.call(this, 128, 112); +} + +inherits_browser(Sha384, sha512); + +Sha384.prototype.init = function () { + this._ah = 0xcbbb9d5d; + this._bh = 0x629a292a; + this._ch = 0x9159015a; + this._dh = 0x152fecd8; + this._eh = 0x67332667; + this._fh = 0x8eb44a87; + this._gh = 0xdb0c2e0d; + this._hh = 0x47b5481d; + + this._al = 0xc1059ed8; + this._bl = 0x367cd507; + this._cl = 0x3070dd17; + this._dl = 0xf70e5939; + this._el = 0xffc00b31; + this._fl = 0x68581511; + this._gl = 0x64f98fa7; + this._hl = 0xbefa4fa4; + + return this +}; + +Sha384.prototype._hash = function () { + var H = Buffer$a.allocUnsafe(48); + + function writeInt64BE (h, l, offset) { + H.writeInt32BE(h, offset); + H.writeInt32BE(l, offset + 4); + } + + writeInt64BE(this._ah, this._al, 0); + writeInt64BE(this._bh, this._bl, 8); + writeInt64BE(this._ch, this._cl, 16); + writeInt64BE(this._dh, this._dl, 24); + writeInt64BE(this._eh, this._el, 32); + writeInt64BE(this._fh, this._fl, 40); + + return H +}; + +var sha384 = Sha384; + +var sha_js = createCommonjsModule(function (module) { +var exports = module.exports = function SHA (algorithm) { + algorithm = algorithm.toLowerCase(); + + var Algorithm = exports[algorithm]; + if (!Algorithm) throw new Error(algorithm + ' is not supported (we accept pull requests)') + + return new Algorithm() +}; + +exports.sha = sha; +exports.sha1 = sha1; +exports.sha224 = sha224; +exports.sha256 = sha256; +exports.sha384 = sha384; +exports.sha512 = sha512; +}); + +var Buffer$b = safeBuffer.Buffer; +var Transform$1 = stream.Transform; +var StringDecoder = string_decoder.StringDecoder; + + +function CipherBase (hashMode) { + Transform$1.call(this); + this.hashMode = typeof hashMode === 'string'; + if (this.hashMode) { + this[hashMode] = this._finalOrDigest; + } else { + this.final = this._finalOrDigest; + } + if (this._final) { + this.__final = this._final; + this._final = null; + } + this._decoder = null; + this._encoding = null; +} +inherits_browser(CipherBase, Transform$1); + +CipherBase.prototype.update = function (data, inputEnc, outputEnc) { + if (typeof data === 'string') { + data = Buffer$b.from(data, inputEnc); + } + + var outData = this._update(data); + if (this.hashMode) return this + + if (outputEnc) { + outData = this._toString(outData, outputEnc); + } + + return outData +}; + +CipherBase.prototype.setAutoPadding = function () {}; +CipherBase.prototype.getAuthTag = function () { + throw new Error('trying to get auth tag in unsupported state') +}; + +CipherBase.prototype.setAuthTag = function () { + throw new Error('trying to set auth tag in unsupported state') +}; + +CipherBase.prototype.setAAD = function () { + throw new Error('trying to set aad in unsupported state') +}; + +CipherBase.prototype._transform = function (data, _, next) { + var err; + try { + if (this.hashMode) { + this._update(data); + } else { + this.push(this._update(data)); + } + } catch (e) { + err = e; + } finally { + next(err); + } +}; +CipherBase.prototype._flush = function (done) { + var err; + try { + this.push(this.__final()); + } catch (e) { + err = e; + } + + done(err); +}; +CipherBase.prototype._finalOrDigest = function (outputEnc) { + var outData = this.__final() || Buffer$b.alloc(0); + if (outputEnc) { + outData = this._toString(outData, outputEnc, true); + } + return outData +}; + +CipherBase.prototype._toString = function (value, enc, fin) { + if (!this._decoder) { + this._decoder = new StringDecoder(enc); + this._encoding = enc; + } + + if (this._encoding !== enc) throw new Error('can\'t switch encodings') + + var out = this._decoder.write(value); + if (fin) { + out += this._decoder.end(); + } + + return out +}; + +var cipherBase = CipherBase; + +function Hash$1 (hash) { + cipherBase.call(this, 'digest'); + + this._hash = hash; +} + +inherits_browser(Hash$1, cipherBase); + +Hash$1.prototype._update = function (data) { + this._hash.update(data); +}; + +Hash$1.prototype._final = function () { + return this._hash.digest() +}; + +var browser$1 = function createHash (alg) { + alg = alg.toLowerCase(); + if (alg === 'md5') return new md5_js() + if (alg === 'rmd160' || alg === 'ripemd160') return new ripemd160() + + return new Hash$1(sha_js(alg)) +}; + +var Buffer$c = safeBuffer.Buffer; + + + +var ZEROS = Buffer$c.alloc(128); +var blocksize = 64; + +function Hmac (alg, key) { + cipherBase.call(this, 'digest'); + if (typeof key === 'string') { + key = Buffer$c.from(key); + } + + this._alg = alg; + this._key = key; + + if (key.length > blocksize) { + key = alg(key); + } else if (key.length < blocksize) { + key = Buffer$c.concat([key, ZEROS], blocksize); + } + + var ipad = this._ipad = Buffer$c.allocUnsafe(blocksize); + var opad = this._opad = Buffer$c.allocUnsafe(blocksize); + + for (var i = 0; i < blocksize; i++) { + ipad[i] = key[i] ^ 0x36; + opad[i] = key[i] ^ 0x5C; + } + + this._hash = [ipad]; +} + +inherits_browser(Hmac, cipherBase); + +Hmac.prototype._update = function (data) { + this._hash.push(data); +}; + +Hmac.prototype._final = function () { + var h = this._alg(Buffer$c.concat(this._hash)); + return this._alg(Buffer$c.concat([this._opad, h])) +}; +var legacy = Hmac; + +var md5 = function (buffer) { + return new md5_js().update(buffer).digest() +}; + +var Buffer$d = safeBuffer.Buffer; + + + + + +var ZEROS$1 = Buffer$d.alloc(128); + +function Hmac$1 (alg, key) { + cipherBase.call(this, 'digest'); + if (typeof key === 'string') { + key = Buffer$d.from(key); + } + + var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64; + + this._alg = alg; + this._key = key; + if (key.length > blocksize) { + var hash = alg === 'rmd160' ? new ripemd160() : sha_js(alg); + key = hash.update(key).digest(); + } else if (key.length < blocksize) { + key = Buffer$d.concat([key, ZEROS$1], blocksize); + } + + var ipad = this._ipad = Buffer$d.allocUnsafe(blocksize); + var opad = this._opad = Buffer$d.allocUnsafe(blocksize); + + for (var i = 0; i < blocksize; i++) { + ipad[i] = key[i] ^ 0x36; + opad[i] = key[i] ^ 0x5C; + } + this._hash = alg === 'rmd160' ? new ripemd160() : sha_js(alg); + this._hash.update(ipad); +} + +inherits_browser(Hmac$1, cipherBase); + +Hmac$1.prototype._update = function (data) { + this._hash.update(data); +}; + +Hmac$1.prototype._final = function () { + var h = this._hash.digest(); + var hash = this._alg === 'rmd160' ? new ripemd160() : sha_js(this._alg); + return hash.update(this._opad).update(h).digest() +}; + +var browser$2 = function createHmac (alg, key) { + alg = alg.toLowerCase(); + if (alg === 'rmd160' || alg === 'ripemd160') { + return new Hmac$1('rmd160', key) + } + if (alg === 'md5') { + return new legacy(md5, key) + } + return new Hmac$1(alg, key) +}; + +var sha224WithRSAEncryption = { + sign: "rsa", + hash: "sha224", + id: "302d300d06096086480165030402040500041c" +}; +var sha256WithRSAEncryption = { + sign: "rsa", + hash: "sha256", + id: "3031300d060960864801650304020105000420" +}; +var sha384WithRSAEncryption = { + sign: "rsa", + hash: "sha384", + id: "3041300d060960864801650304020205000430" +}; +var sha512WithRSAEncryption = { + sign: "rsa", + hash: "sha512", + id: "3051300d060960864801650304020305000440" +}; +var sha256$1 = { + sign: "ecdsa", + hash: "sha256", + id: "" +}; +var sha224$1 = { + sign: "ecdsa", + hash: "sha224", + id: "" +}; +var sha384$1 = { + sign: "ecdsa", + hash: "sha384", + id: "" +}; +var sha512$1 = { + sign: "ecdsa", + hash: "sha512", + id: "" +}; +var DSA = { + sign: "dsa", + hash: "sha1", + id: "" +}; +var ripemd160WithRSA = { + sign: "rsa", + hash: "rmd160", + id: "3021300906052b2403020105000414" +}; +var md5WithRSAEncryption = { + sign: "rsa", + hash: "md5", + id: "3020300c06082a864886f70d020505000410" +}; +var algorithms = { + sha224WithRSAEncryption: sha224WithRSAEncryption, + "RSA-SHA224": { + sign: "ecdsa/rsa", + hash: "sha224", + id: "302d300d06096086480165030402040500041c" +}, + sha256WithRSAEncryption: sha256WithRSAEncryption, + "RSA-SHA256": { + sign: "ecdsa/rsa", + hash: "sha256", + id: "3031300d060960864801650304020105000420" +}, + sha384WithRSAEncryption: sha384WithRSAEncryption, + "RSA-SHA384": { + sign: "ecdsa/rsa", + hash: "sha384", + id: "3041300d060960864801650304020205000430" +}, + sha512WithRSAEncryption: sha512WithRSAEncryption, + "RSA-SHA512": { + sign: "ecdsa/rsa", + hash: "sha512", + id: "3051300d060960864801650304020305000440" +}, + "RSA-SHA1": { + sign: "rsa", + hash: "sha1", + id: "3021300906052b0e03021a05000414" +}, + "ecdsa-with-SHA1": { + sign: "ecdsa", + hash: "sha1", + id: "" +}, + sha256: sha256$1, + sha224: sha224$1, + sha384: sha384$1, + sha512: sha512$1, + "DSA-SHA": { + sign: "dsa", + hash: "sha1", + id: "" +}, + "DSA-SHA1": { + sign: "dsa", + hash: "sha1", + id: "" +}, + DSA: DSA, + "DSA-WITH-SHA224": { + sign: "dsa", + hash: "sha224", + id: "" +}, + "DSA-SHA224": { + sign: "dsa", + hash: "sha224", + id: "" +}, + "DSA-WITH-SHA256": { + sign: "dsa", + hash: "sha256", + id: "" +}, + "DSA-SHA256": { + sign: "dsa", + hash: "sha256", + id: "" +}, + "DSA-WITH-SHA384": { + sign: "dsa", + hash: "sha384", + id: "" +}, + "DSA-SHA384": { + sign: "dsa", + hash: "sha384", + id: "" +}, + "DSA-WITH-SHA512": { + sign: "dsa", + hash: "sha512", + id: "" +}, + "DSA-SHA512": { + sign: "dsa", + hash: "sha512", + id: "" +}, + "DSA-RIPEMD160": { + sign: "dsa", + hash: "rmd160", + id: "" +}, + ripemd160WithRSA: ripemd160WithRSA, + "RSA-RIPEMD160": { + sign: "rsa", + hash: "rmd160", + id: "3021300906052b2403020105000414" +}, + md5WithRSAEncryption: md5WithRSAEncryption, + "RSA-MD5": { + sign: "rsa", + hash: "md5", + id: "3020300c06082a864886f70d020505000410" +} +}; + +var algorithms$1 = /*#__PURE__*/Object.freeze({ + sha224WithRSAEncryption: sha224WithRSAEncryption, + sha256WithRSAEncryption: sha256WithRSAEncryption, + sha384WithRSAEncryption: sha384WithRSAEncryption, + sha512WithRSAEncryption: sha512WithRSAEncryption, + sha256: sha256$1, + sha224: sha224$1, + sha384: sha384$1, + sha512: sha512$1, + DSA: DSA, + ripemd160WithRSA: ripemd160WithRSA, + md5WithRSAEncryption: md5WithRSAEncryption, + 'default': algorithms +}); + +var algorithms$2 = getCjsExportFromNamespace(algorithms$1); + +var algos = algorithms$2; + +var MAX_ALLOC = Math.pow(2, 30) - 1; // default in iojs + +function checkBuffer (buf, name) { + if (typeof buf !== 'string' && !Buffer.isBuffer(buf)) { + throw new TypeError(name + ' must be a buffer or string') + } +} + +var precondition = function (password, salt, iterations, keylen) { + checkBuffer(password, 'Password'); + checkBuffer(salt, 'Salt'); + + if (typeof iterations !== 'number') { + throw new TypeError('Iterations not a number') + } + + if (iterations < 0) { + throw new TypeError('Bad iterations') + } + + if (typeof keylen !== 'number') { + throw new TypeError('Key length not a number') + } + + if (keylen < 0 || keylen > MAX_ALLOC || keylen !== keylen) { /* eslint no-self-compare: 0 */ + throw new TypeError('Bad key length') + } +}; + +var defaultEncoding; +/* istanbul ignore next */ +if (process.browser) { + defaultEncoding = 'utf-8'; +} else { + var pVersionMajor = parseInt(process.version.split('.')[0].slice(1), 10); + + defaultEncoding = pVersionMajor >= 6 ? 'utf-8' : 'binary'; +} +var defaultEncoding_1 = defaultEncoding; + +var Buffer$e = safeBuffer.Buffer; +var ZEROS$2 = Buffer$e.alloc(128); +var sizes = { + md5: 16, + sha1: 20, + sha224: 28, + sha256: 32, + sha384: 48, + sha512: 64, + rmd160: 20, + ripemd160: 20 +}; + +function Hmac$2 (alg, key, saltLen) { + var hash = getDigest(alg); + var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64; + + if (key.length > blocksize) { + key = hash(key); + } else if (key.length < blocksize) { + key = Buffer$e.concat([key, ZEROS$2], blocksize); + } + + var ipad = Buffer$e.allocUnsafe(blocksize + sizes[alg]); + var opad = Buffer$e.allocUnsafe(blocksize + sizes[alg]); + for (var i = 0; i < blocksize; i++) { + ipad[i] = key[i] ^ 0x36; + opad[i] = key[i] ^ 0x5C; + } + + var ipad1 = Buffer$e.allocUnsafe(blocksize + saltLen + 4); + ipad.copy(ipad1, 0, 0, blocksize); + this.ipad1 = ipad1; + this.ipad2 = ipad; + this.opad = opad; + this.alg = alg; + this.blocksize = blocksize; + this.hash = hash; + this.size = sizes[alg]; +} + +Hmac$2.prototype.run = function (data, ipad) { + data.copy(ipad, this.blocksize); + var h = this.hash(ipad); + h.copy(this.opad, this.blocksize); + return this.hash(this.opad) +}; + +function getDigest (alg) { + function shaFunc (data) { + return sha_js(alg).update(data).digest() + } + function rmd160Func (data) { + return new ripemd160().update(data).digest() + } + + if (alg === 'rmd160' || alg === 'ripemd160') return rmd160Func + if (alg === 'md5') return md5 + return shaFunc +} + +function pbkdf2 (password, salt, iterations, keylen, digest) { + precondition(password, salt, iterations, keylen); + + if (!Buffer$e.isBuffer(password)) password = Buffer$e.from(password, defaultEncoding_1); + if (!Buffer$e.isBuffer(salt)) salt = Buffer$e.from(salt, defaultEncoding_1); + + digest = digest || 'sha1'; + + var hmac = new Hmac$2(digest, password, salt.length); + + var DK = Buffer$e.allocUnsafe(keylen); + var block1 = Buffer$e.allocUnsafe(salt.length + 4); + salt.copy(block1, 0, 0, salt.length); + + var destPos = 0; + var hLen = sizes[digest]; + var l = Math.ceil(keylen / hLen); + + for (var i = 1; i <= l; i++) { + block1.writeUInt32BE(i, salt.length); + + var T = hmac.run(block1, hmac.ipad1); + var U = T; + + for (var j = 1; j < iterations; j++) { + U = hmac.run(U, hmac.ipad2); + for (var k = 0; k < hLen; k++) T[k] ^= U[k]; + } + + T.copy(DK, destPos); + destPos += hLen; + } + + return DK +} + +var syncBrowser = pbkdf2; + +var Buffer$f = safeBuffer.Buffer; + +var ZERO_BUF; +var subtle = commonjsGlobal.crypto && commonjsGlobal.crypto.subtle; +var toBrowser = { + 'sha': 'SHA-1', + 'sha-1': 'SHA-1', + 'sha1': 'SHA-1', + 'sha256': 'SHA-256', + 'sha-256': 'SHA-256', + 'sha384': 'SHA-384', + 'sha-384': 'SHA-384', + 'sha-512': 'SHA-512', + 'sha512': 'SHA-512' +}; +var checks = []; +function checkNative (algo) { + if (commonjsGlobal.process && !commonjsGlobal.process.browser) { + return Promise.resolve(false) + } + if (!subtle || !subtle.importKey || !subtle.deriveBits) { + return Promise.resolve(false) + } + if (checks[algo] !== undefined) { + return checks[algo] + } + ZERO_BUF = ZERO_BUF || Buffer$f.alloc(8); + var prom = browserPbkdf2(ZERO_BUF, ZERO_BUF, 10, 128, algo) + .then(function () { + return true + }).catch(function () { + return false + }); + checks[algo] = prom; + return prom +} + +function browserPbkdf2 (password, salt, iterations, length, algo) { + return subtle.importKey( + 'raw', password, {name: 'PBKDF2'}, false, ['deriveBits'] + ).then(function (key) { + return subtle.deriveBits({ + name: 'PBKDF2', + salt: salt, + iterations: iterations, + hash: { + name: algo + } + }, key, length << 3) + }).then(function (res) { + return Buffer$f.from(res) + }) +} + +function resolvePromise (promise, callback) { + promise.then(function (out) { + process.nextTick(function () { + callback(null, out); + }); + }, function (e) { + process.nextTick(function () { + callback(e); + }); + }); +} +var async = function (password, salt, iterations, keylen, digest, callback) { + if (typeof digest === 'function') { + callback = digest; + digest = undefined; + } + + digest = digest || 'sha1'; + var algo = toBrowser[digest.toLowerCase()]; + + if (!algo || typeof commonjsGlobal.Promise !== 'function') { + return process.nextTick(function () { + var out; + try { + out = syncBrowser(password, salt, iterations, keylen, digest); + } catch (e) { + return callback(e) + } + callback(null, out); + }) + } + + precondition(password, salt, iterations, keylen); + if (typeof callback !== 'function') throw new Error('No callback provided to pbkdf2') + if (!Buffer$f.isBuffer(password)) password = Buffer$f.from(password, defaultEncoding_1); + if (!Buffer$f.isBuffer(salt)) salt = Buffer$f.from(salt, defaultEncoding_1); + + resolvePromise(checkNative(algo).then(function (resp) { + if (resp) return browserPbkdf2(password, salt, iterations, keylen, algo) + + return syncBrowser(password, salt, iterations, keylen, digest) + }), callback); +}; + +var pbkdf2$1 = async; +var pbkdf2Sync = syncBrowser; + +var browser$3 = { + pbkdf2: pbkdf2$1, + pbkdf2Sync: pbkdf2Sync +}; + +var readUInt32BE = function readUInt32BE(bytes, off) { + var res = (bytes[0 + off] << 24) | + (bytes[1 + off] << 16) | + (bytes[2 + off] << 8) | + bytes[3 + off]; + return res >>> 0; +}; + +var writeUInt32BE = function writeUInt32BE(bytes, value, off) { + bytes[0 + off] = value >>> 24; + bytes[1 + off] = (value >>> 16) & 0xff; + bytes[2 + off] = (value >>> 8) & 0xff; + bytes[3 + off] = value & 0xff; +}; + +var ip = function ip(inL, inR, out, off) { + var outL = 0; + var outR = 0; + + for (var i = 6; i >= 0; i -= 2) { + for (var j = 0; j <= 24; j += 8) { + outL <<= 1; + outL |= (inR >>> (j + i)) & 1; + } + for (var j = 0; j <= 24; j += 8) { + outL <<= 1; + outL |= (inL >>> (j + i)) & 1; + } + } + + for (var i = 6; i >= 0; i -= 2) { + for (var j = 1; j <= 25; j += 8) { + outR <<= 1; + outR |= (inR >>> (j + i)) & 1; + } + for (var j = 1; j <= 25; j += 8) { + outR <<= 1; + outR |= (inL >>> (j + i)) & 1; + } + } + + out[off + 0] = outL >>> 0; + out[off + 1] = outR >>> 0; +}; + +var rip = function rip(inL, inR, out, off) { + var outL = 0; + var outR = 0; + + for (var i = 0; i < 4; i++) { + for (var j = 24; j >= 0; j -= 8) { + outL <<= 1; + outL |= (inR >>> (j + i)) & 1; + outL <<= 1; + outL |= (inL >>> (j + i)) & 1; + } + } + for (var i = 4; i < 8; i++) { + for (var j = 24; j >= 0; j -= 8) { + outR <<= 1; + outR |= (inR >>> (j + i)) & 1; + outR <<= 1; + outR |= (inL >>> (j + i)) & 1; + } + } + + out[off + 0] = outL >>> 0; + out[off + 1] = outR >>> 0; +}; + +var pc1 = function pc1(inL, inR, out, off) { + var outL = 0; + var outR = 0; + + // 7, 15, 23, 31, 39, 47, 55, 63 + // 6, 14, 22, 30, 39, 47, 55, 63 + // 5, 13, 21, 29, 39, 47, 55, 63 + // 4, 12, 20, 28 + for (var i = 7; i >= 5; i--) { + for (var j = 0; j <= 24; j += 8) { + outL <<= 1; + outL |= (inR >> (j + i)) & 1; + } + for (var j = 0; j <= 24; j += 8) { + outL <<= 1; + outL |= (inL >> (j + i)) & 1; + } + } + for (var j = 0; j <= 24; j += 8) { + outL <<= 1; + outL |= (inR >> (j + i)) & 1; + } + + // 1, 9, 17, 25, 33, 41, 49, 57 + // 2, 10, 18, 26, 34, 42, 50, 58 + // 3, 11, 19, 27, 35, 43, 51, 59 + // 36, 44, 52, 60 + for (var i = 1; i <= 3; i++) { + for (var j = 0; j <= 24; j += 8) { + outR <<= 1; + outR |= (inR >> (j + i)) & 1; + } + for (var j = 0; j <= 24; j += 8) { + outR <<= 1; + outR |= (inL >> (j + i)) & 1; + } + } + for (var j = 0; j <= 24; j += 8) { + outR <<= 1; + outR |= (inL >> (j + i)) & 1; + } + + out[off + 0] = outL >>> 0; + out[off + 1] = outR >>> 0; +}; + +var r28shl = function r28shl(num, shift) { + return ((num << shift) & 0xfffffff) | (num >>> (28 - shift)); +}; + +var pc2table = [ + // inL => outL + 14, 11, 17, 4, 27, 23, 25, 0, + 13, 22, 7, 18, 5, 9, 16, 24, + 2, 20, 12, 21, 1, 8, 15, 26, + + // inR => outR + 15, 4, 25, 19, 9, 1, 26, 16, + 5, 11, 23, 8, 12, 7, 17, 0, + 22, 3, 10, 14, 6, 20, 27, 24 +]; + +var pc2 = function pc2(inL, inR, out, off) { + var outL = 0; + var outR = 0; + + var len = pc2table.length >>> 1; + for (var i = 0; i < len; i++) { + outL <<= 1; + outL |= (inL >>> pc2table[i]) & 0x1; + } + for (var i = len; i < pc2table.length; i++) { + outR <<= 1; + outR |= (inR >>> pc2table[i]) & 0x1; + } + + out[off + 0] = outL >>> 0; + out[off + 1] = outR >>> 0; +}; + +var expand = function expand(r, out, off) { + var outL = 0; + var outR = 0; + + outL = ((r & 1) << 5) | (r >>> 27); + for (var i = 23; i >= 15; i -= 4) { + outL <<= 6; + outL |= (r >>> i) & 0x3f; + } + for (var i = 11; i >= 3; i -= 4) { + outR |= (r >>> i) & 0x3f; + outR <<= 6; + } + outR |= ((r & 0x1f) << 1) | (r >>> 31); + + out[off + 0] = outL >>> 0; + out[off + 1] = outR >>> 0; +}; + +var sTable = [ + 14, 0, 4, 15, 13, 7, 1, 4, 2, 14, 15, 2, 11, 13, 8, 1, + 3, 10, 10, 6, 6, 12, 12, 11, 5, 9, 9, 5, 0, 3, 7, 8, + 4, 15, 1, 12, 14, 8, 8, 2, 13, 4, 6, 9, 2, 1, 11, 7, + 15, 5, 12, 11, 9, 3, 7, 14, 3, 10, 10, 0, 5, 6, 0, 13, + + 15, 3, 1, 13, 8, 4, 14, 7, 6, 15, 11, 2, 3, 8, 4, 14, + 9, 12, 7, 0, 2, 1, 13, 10, 12, 6, 0, 9, 5, 11, 10, 5, + 0, 13, 14, 8, 7, 10, 11, 1, 10, 3, 4, 15, 13, 4, 1, 2, + 5, 11, 8, 6, 12, 7, 6, 12, 9, 0, 3, 5, 2, 14, 15, 9, + + 10, 13, 0, 7, 9, 0, 14, 9, 6, 3, 3, 4, 15, 6, 5, 10, + 1, 2, 13, 8, 12, 5, 7, 14, 11, 12, 4, 11, 2, 15, 8, 1, + 13, 1, 6, 10, 4, 13, 9, 0, 8, 6, 15, 9, 3, 8, 0, 7, + 11, 4, 1, 15, 2, 14, 12, 3, 5, 11, 10, 5, 14, 2, 7, 12, + + 7, 13, 13, 8, 14, 11, 3, 5, 0, 6, 6, 15, 9, 0, 10, 3, + 1, 4, 2, 7, 8, 2, 5, 12, 11, 1, 12, 10, 4, 14, 15, 9, + 10, 3, 6, 15, 9, 0, 0, 6, 12, 10, 11, 1, 7, 13, 13, 8, + 15, 9, 1, 4, 3, 5, 14, 11, 5, 12, 2, 7, 8, 2, 4, 14, + + 2, 14, 12, 11, 4, 2, 1, 12, 7, 4, 10, 7, 11, 13, 6, 1, + 8, 5, 5, 0, 3, 15, 15, 10, 13, 3, 0, 9, 14, 8, 9, 6, + 4, 11, 2, 8, 1, 12, 11, 7, 10, 1, 13, 14, 7, 2, 8, 13, + 15, 6, 9, 15, 12, 0, 5, 9, 6, 10, 3, 4, 0, 5, 14, 3, + + 12, 10, 1, 15, 10, 4, 15, 2, 9, 7, 2, 12, 6, 9, 8, 5, + 0, 6, 13, 1, 3, 13, 4, 14, 14, 0, 7, 11, 5, 3, 11, 8, + 9, 4, 14, 3, 15, 2, 5, 12, 2, 9, 8, 5, 12, 15, 3, 10, + 7, 11, 0, 14, 4, 1, 10, 7, 1, 6, 13, 0, 11, 8, 6, 13, + + 4, 13, 11, 0, 2, 11, 14, 7, 15, 4, 0, 9, 8, 1, 13, 10, + 3, 14, 12, 3, 9, 5, 7, 12, 5, 2, 10, 15, 6, 8, 1, 6, + 1, 6, 4, 11, 11, 13, 13, 8, 12, 1, 3, 4, 7, 10, 14, 7, + 10, 9, 15, 5, 6, 0, 8, 15, 0, 14, 5, 2, 9, 3, 2, 12, + + 13, 1, 2, 15, 8, 13, 4, 8, 6, 10, 15, 3, 11, 7, 1, 4, + 10, 12, 9, 5, 3, 6, 14, 11, 5, 0, 0, 14, 12, 9, 7, 2, + 7, 2, 11, 1, 4, 14, 1, 7, 9, 4, 12, 10, 14, 8, 2, 13, + 0, 15, 6, 12, 10, 9, 13, 0, 15, 3, 3, 5, 5, 6, 8, 11 +]; + +var substitute = function substitute(inL, inR) { + var out = 0; + for (var i = 0; i < 4; i++) { + var b = (inL >>> (18 - i * 6)) & 0x3f; + var sb = sTable[i * 0x40 + b]; + + out <<= 4; + out |= sb; + } + for (var i = 0; i < 4; i++) { + var b = (inR >>> (18 - i * 6)) & 0x3f; + var sb = sTable[4 * 0x40 + i * 0x40 + b]; + + out <<= 4; + out |= sb; + } + return out >>> 0; +}; + +var permuteTable = [ + 16, 25, 12, 11, 3, 20, 4, 15, 31, 17, 9, 6, 27, 14, 1, 22, + 30, 24, 8, 18, 0, 5, 29, 23, 13, 19, 2, 26, 10, 21, 28, 7 +]; + +var permute = function permute(num) { + var out = 0; + for (var i = 0; i < permuteTable.length; i++) { + out <<= 1; + out |= (num >>> permuteTable[i]) & 0x1; + } + return out >>> 0; +}; + +var padSplit = function padSplit(num, size, group) { + var str = num.toString(2); + while (str.length < size) + str = '0' + str; + + var out = []; + for (var i = 0; i < size; i += group) + out.push(str.slice(i, i + group)); + return out.join(' '); +}; + +var utils = { + readUInt32BE: readUInt32BE, + writeUInt32BE: writeUInt32BE, + ip: ip, + rip: rip, + pc1: pc1, + r28shl: r28shl, + pc2: pc2, + expand: expand, + substitute: substitute, + permute: permute, + padSplit: padSplit +}; + +var minimalisticAssert = assert; + +function assert(val, msg) { + if (!val) + throw new Error(msg || 'Assertion failed'); +} + +assert.equal = function assertEqual(l, r, msg) { + if (l != r) + throw new Error(msg || ('Assertion failed: ' + l + ' != ' + r)); +}; + +function Cipher(options) { + this.options = options; + + this.type = this.options.type; + this.blockSize = 8; + this._init(); + + this.buffer = new Array(this.blockSize); + this.bufferOff = 0; +} +var cipher = Cipher; + +Cipher.prototype._init = function _init() { + // Might be overrided +}; + +Cipher.prototype.update = function update(data) { + if (data.length === 0) + return []; + + if (this.type === 'decrypt') + return this._updateDecrypt(data); + else + return this._updateEncrypt(data); +}; + +Cipher.prototype._buffer = function _buffer(data, off) { + // Append data to buffer + var min = Math.min(this.buffer.length - this.bufferOff, data.length - off); + for (var i = 0; i < min; i++) + this.buffer[this.bufferOff + i] = data[off + i]; + this.bufferOff += min; + + // Shift next + return min; +}; + +Cipher.prototype._flushBuffer = function _flushBuffer(out, off) { + this._update(this.buffer, 0, out, off); + this.bufferOff = 0; + return this.blockSize; +}; + +Cipher.prototype._updateEncrypt = function _updateEncrypt(data) { + var inputOff = 0; + var outputOff = 0; + + var count = ((this.bufferOff + data.length) / this.blockSize) | 0; + var out = new Array(count * this.blockSize); + + if (this.bufferOff !== 0) { + inputOff += this._buffer(data, inputOff); + + if (this.bufferOff === this.buffer.length) + outputOff += this._flushBuffer(out, outputOff); + } + + // Write blocks + var max = data.length - ((data.length - inputOff) % this.blockSize); + for (; inputOff < max; inputOff += this.blockSize) { + this._update(data, inputOff, out, outputOff); + outputOff += this.blockSize; + } + + // Queue rest + for (; inputOff < data.length; inputOff++, this.bufferOff++) + this.buffer[this.bufferOff] = data[inputOff]; + + return out; +}; + +Cipher.prototype._updateDecrypt = function _updateDecrypt(data) { + var inputOff = 0; + var outputOff = 0; + + var count = Math.ceil((this.bufferOff + data.length) / this.blockSize) - 1; + var out = new Array(count * this.blockSize); + + // TODO(indutny): optimize it, this is far from optimal + for (; count > 0; count--) { + inputOff += this._buffer(data, inputOff); + outputOff += this._flushBuffer(out, outputOff); + } + + // Buffer rest of the input + inputOff += this._buffer(data, inputOff); + + return out; +}; + +Cipher.prototype.final = function final(buffer) { + var first; + if (buffer) + first = this.update(buffer); + + var last; + if (this.type === 'encrypt') + last = this._finalEncrypt(); + else + last = this._finalDecrypt(); + + if (first) + return first.concat(last); + else + return last; +}; + +Cipher.prototype._pad = function _pad(buffer, off) { + if (off === 0) + return false; + + while (off < buffer.length) + buffer[off++] = 0; + + return true; +}; + +Cipher.prototype._finalEncrypt = function _finalEncrypt() { + if (!this._pad(this.buffer, this.bufferOff)) + return []; + + var out = new Array(this.blockSize); + this._update(this.buffer, 0, out, 0); + return out; +}; + +Cipher.prototype._unpad = function _unpad(buffer) { + return buffer; +}; + +Cipher.prototype._finalDecrypt = function _finalDecrypt() { + minimalisticAssert.equal(this.bufferOff, this.blockSize, 'Not enough data to decrypt'); + var out = new Array(this.blockSize); + this._flushBuffer(out, 0); + + return this._unpad(out); +}; + +var utils$1 = des.utils; +var Cipher$1 = des.Cipher; + +function DESState() { + this.tmp = new Array(2); + this.keys = null; +} + +function DES(options) { + Cipher$1.call(this, options); + + var state = new DESState(); + this._desState = state; + + this.deriveKeys(state, options.key); +} +inherits_browser(DES, Cipher$1); +var des_1 = DES; + +DES.create = function create(options) { + return new DES(options); +}; + +var shiftTable = [ + 1, 1, 2, 2, 2, 2, 2, 2, + 1, 2, 2, 2, 2, 2, 2, 1 +]; + +DES.prototype.deriveKeys = function deriveKeys(state, key) { + state.keys = new Array(16 * 2); + + minimalisticAssert.equal(key.length, this.blockSize, 'Invalid key length'); + + var kL = utils$1.readUInt32BE(key, 0); + var kR = utils$1.readUInt32BE(key, 4); + + utils$1.pc1(kL, kR, state.tmp, 0); + kL = state.tmp[0]; + kR = state.tmp[1]; + for (var i = 0; i < state.keys.length; i += 2) { + var shift = shiftTable[i >>> 1]; + kL = utils$1.r28shl(kL, shift); + kR = utils$1.r28shl(kR, shift); + utils$1.pc2(kL, kR, state.keys, i); + } +}; + +DES.prototype._update = function _update(inp, inOff, out, outOff) { + var state = this._desState; + + var l = utils$1.readUInt32BE(inp, inOff); + var r = utils$1.readUInt32BE(inp, inOff + 4); + + // Initial Permutation + utils$1.ip(l, r, state.tmp, 0); + l = state.tmp[0]; + r = state.tmp[1]; + + if (this.type === 'encrypt') + this._encrypt(state, l, r, state.tmp, 0); + else + this._decrypt(state, l, r, state.tmp, 0); + + l = state.tmp[0]; + r = state.tmp[1]; + + utils$1.writeUInt32BE(out, l, outOff); + utils$1.writeUInt32BE(out, r, outOff + 4); +}; + +DES.prototype._pad = function _pad(buffer, off) { + var value = buffer.length - off; + for (var i = off; i < buffer.length; i++) + buffer[i] = value; + + return true; +}; + +DES.prototype._unpad = function _unpad(buffer) { + var pad = buffer[buffer.length - 1]; + for (var i = buffer.length - pad; i < buffer.length; i++) + minimalisticAssert.equal(buffer[i], pad); + + return buffer.slice(0, buffer.length - pad); +}; + +DES.prototype._encrypt = function _encrypt(state, lStart, rStart, out, off) { + var l = lStart; + var r = rStart; + + // Apply f() x16 times + for (var i = 0; i < state.keys.length; i += 2) { + var keyL = state.keys[i]; + var keyR = state.keys[i + 1]; + + // f(r, k) + utils$1.expand(r, state.tmp, 0); + + keyL ^= state.tmp[0]; + keyR ^= state.tmp[1]; + var s = utils$1.substitute(keyL, keyR); + var f = utils$1.permute(s); + + var t = r; + r = (l ^ f) >>> 0; + l = t; + } + + // Reverse Initial Permutation + utils$1.rip(r, l, out, off); +}; + +DES.prototype._decrypt = function _decrypt(state, lStart, rStart, out, off) { + var l = rStart; + var r = lStart; + + // Apply f() x16 times + for (var i = state.keys.length - 2; i >= 0; i -= 2) { + var keyL = state.keys[i]; + var keyR = state.keys[i + 1]; + + // f(r, k) + utils$1.expand(l, state.tmp, 0); + + keyL ^= state.tmp[0]; + keyR ^= state.tmp[1]; + var s = utils$1.substitute(keyL, keyR); + var f = utils$1.permute(s); + + var t = l; + l = (r ^ f) >>> 0; + r = t; + } + + // Reverse Initial Permutation + utils$1.rip(l, r, out, off); +}; + +var proto = {}; + +function CBCState(iv) { + minimalisticAssert.equal(iv.length, 8, 'Invalid IV length'); + + this.iv = new Array(8); + for (var i = 0; i < this.iv.length; i++) + this.iv[i] = iv[i]; +} + +function instantiate(Base) { + function CBC(options) { + Base.call(this, options); + this._cbcInit(); + } + inherits_browser(CBC, Base); + + var keys = Object.keys(proto); + for (var i = 0; i < keys.length; i++) { + var key = keys[i]; + CBC.prototype[key] = proto[key]; + } + + CBC.create = function create(options) { + return new CBC(options); + }; + + return CBC; +} + +var instantiate_1 = instantiate; + +proto._cbcInit = function _cbcInit() { + var state = new CBCState(this.options.iv); + this._cbcState = state; +}; + +proto._update = function _update(inp, inOff, out, outOff) { + var state = this._cbcState; + var superProto = this.constructor.super_.prototype; + + var iv = state.iv; + if (this.type === 'encrypt') { + for (var i = 0; i < this.blockSize; i++) + iv[i] ^= inp[inOff + i]; + + superProto._update.call(this, iv, 0, out, outOff); + + for (var i = 0; i < this.blockSize; i++) + iv[i] = out[outOff + i]; + } else { + superProto._update.call(this, inp, inOff, out, outOff); + + for (var i = 0; i < this.blockSize; i++) + out[outOff + i] ^= iv[i]; + + for (var i = 0; i < this.blockSize; i++) + iv[i] = inp[inOff + i]; + } +}; + +var cbc = { + instantiate: instantiate_1 +}; + +var Cipher$2 = des.Cipher; +var DES$1 = des.DES; + +function EDEState(type, key) { + minimalisticAssert.equal(key.length, 24, 'Invalid key length'); + + var k1 = key.slice(0, 8); + var k2 = key.slice(8, 16); + var k3 = key.slice(16, 24); + + if (type === 'encrypt') { + this.ciphers = [ + DES$1.create({ type: 'encrypt', key: k1 }), + DES$1.create({ type: 'decrypt', key: k2 }), + DES$1.create({ type: 'encrypt', key: k3 }) + ]; + } else { + this.ciphers = [ + DES$1.create({ type: 'decrypt', key: k3 }), + DES$1.create({ type: 'encrypt', key: k2 }), + DES$1.create({ type: 'decrypt', key: k1 }) + ]; + } +} + +function EDE(options) { + Cipher$2.call(this, options); + + var state = new EDEState(this.type, this.options.key); + this._edeState = state; +} +inherits_browser(EDE, Cipher$2); + +var ede = EDE; + +EDE.create = function create(options) { + return new EDE(options); +}; + +EDE.prototype._update = function _update(inp, inOff, out, outOff) { + var state = this._edeState; + + state.ciphers[0]._update(inp, inOff, out, outOff); + state.ciphers[1]._update(out, outOff, out, outOff); + state.ciphers[2]._update(out, outOff, out, outOff); +}; + +EDE.prototype._pad = DES$1.prototype._pad; +EDE.prototype._unpad = DES$1.prototype._unpad; + +var utils$2 = utils; +var Cipher$3 = cipher; +var DES$2 = des_1; +var CBC = cbc; +var EDE$1 = ede; + +var des = { + utils: utils$2, + Cipher: Cipher$3, + DES: DES$2, + CBC: CBC, + EDE: EDE$1 +}; + +var Buffer$g = safeBuffer.Buffer; + +var modes = { + 'des-ede3-cbc': des.CBC.instantiate(des.EDE), + 'des-ede3': des.EDE, + 'des-ede-cbc': des.CBC.instantiate(des.EDE), + 'des-ede': des.EDE, + 'des-cbc': des.CBC.instantiate(des.DES), + 'des-ecb': des.DES +}; +modes.des = modes['des-cbc']; +modes.des3 = modes['des-ede3-cbc']; +var browserifyDes = DES$3; +inherits_browser(DES$3, cipherBase); +function DES$3 (opts) { + cipherBase.call(this); + var modeName = opts.mode.toLowerCase(); + var mode = modes[modeName]; + var type; + if (opts.decrypt) { + type = 'decrypt'; + } else { + type = 'encrypt'; + } + var key = opts.key; + if (!Buffer$g.isBuffer(key)) { + key = Buffer$g.from(key); + } + if (modeName === 'des-ede' || modeName === 'des-ede-cbc') { + key = Buffer$g.concat([key, key.slice(0, 8)]); + } + var iv = opts.iv; + if (!Buffer$g.isBuffer(iv)) { + iv = Buffer$g.from(iv); + } + this._des = mode.create({ + key: key, + iv: iv, + type: type + }); +} +DES$3.prototype._update = function (data) { + return Buffer$g.from(this._des.update(data)) +}; +DES$3.prototype._final = function () { + return Buffer$g.from(this._des.final()) +}; + +var encrypt = function (self, block) { + return self._cipher.encryptBlock(block) +}; + +var decrypt = function (self, block) { + return self._cipher.decryptBlock(block) +}; + +var ecb = { + encrypt: encrypt, + decrypt: decrypt +}; + +var bufferXor = function xor (a, b) { + var length = Math.min(a.length, b.length); + var buffer = new Buffer(length); + + for (var i = 0; i < length; ++i) { + buffer[i] = a[i] ^ b[i]; + } + + return buffer +}; + +var encrypt$1 = function (self, block) { + var data = bufferXor(block, self._prev); + + self._prev = self._cipher.encryptBlock(data); + return self._prev +}; + +var decrypt$1 = function (self, block) { + var pad = self._prev; + + self._prev = block; + var out = self._cipher.decryptBlock(block); + + return bufferXor(out, pad) +}; + +var cbc$1 = { + encrypt: encrypt$1, + decrypt: decrypt$1 +}; + +var Buffer$h = safeBuffer.Buffer; + + +function encryptStart (self, data, decrypt) { + var len = data.length; + var out = bufferXor(data, self._cache); + self._cache = self._cache.slice(len); + self._prev = Buffer$h.concat([self._prev, decrypt ? data : out]); + return out +} + +var encrypt$2 = function (self, data, decrypt) { + var out = Buffer$h.allocUnsafe(0); + var len; + + while (data.length) { + if (self._cache.length === 0) { + self._cache = self._cipher.encryptBlock(self._prev); + self._prev = Buffer$h.allocUnsafe(0); + } + + if (self._cache.length <= data.length) { + len = self._cache.length; + out = Buffer$h.concat([out, encryptStart(self, data.slice(0, len), decrypt)]); + data = data.slice(len); + } else { + out = Buffer$h.concat([out, encryptStart(self, data, decrypt)]); + break + } + } + + return out +}; + +var cfb = { + encrypt: encrypt$2 +}; + +var Buffer$i = safeBuffer.Buffer; + +function encryptByte (self, byteParam, decrypt) { + var pad = self._cipher.encryptBlock(self._prev); + var out = pad[0] ^ byteParam; + + self._prev = Buffer$i.concat([ + self._prev.slice(1), + Buffer$i.from([decrypt ? byteParam : out]) + ]); + + return out +} + +var encrypt$3 = function (self, chunk, decrypt) { + var len = chunk.length; + var out = Buffer$i.allocUnsafe(len); + var i = -1; + + while (++i < len) { + out[i] = encryptByte(self, chunk[i], decrypt); + } + + return out +}; + +var cfb8 = { + encrypt: encrypt$3 +}; + +var Buffer$j = safeBuffer.Buffer; + +function encryptByte$1 (self, byteParam, decrypt) { + var pad; + var i = -1; + var len = 8; + var out = 0; + var bit, value; + while (++i < len) { + pad = self._cipher.encryptBlock(self._prev); + bit = (byteParam & (1 << (7 - i))) ? 0x80 : 0; + value = pad[0] ^ bit; + out += ((value & 0x80) >> (i % 8)); + self._prev = shiftIn(self._prev, decrypt ? bit : value); + } + return out +} + +function shiftIn (buffer, value) { + var len = buffer.length; + var i = -1; + var out = Buffer$j.allocUnsafe(buffer.length); + buffer = Buffer$j.concat([buffer, Buffer$j.from([value])]); + + while (++i < len) { + out[i] = buffer[i] << 1 | buffer[i + 1] >> (7); + } + + return out +} + +var encrypt$4 = function (self, chunk, decrypt) { + var len = chunk.length; + var out = Buffer$j.allocUnsafe(len); + var i = -1; + + while (++i < len) { + out[i] = encryptByte$1(self, chunk[i], decrypt); + } + + return out +}; + +var cfb1 = { + encrypt: encrypt$4 +}; + +function getBlock (self) { + self._prev = self._cipher.encryptBlock(self._prev); + return self._prev +} + +var encrypt$5 = function (self, chunk) { + while (self._cache.length < chunk.length) { + self._cache = Buffer.concat([self._cache, getBlock(self)]); + } + + var pad = self._cache.slice(0, chunk.length); + self._cache = self._cache.slice(chunk.length); + return bufferXor(chunk, pad) +}; + +var ofb = { + encrypt: encrypt$5 +}; + +function incr32 (iv) { + var len = iv.length; + var item; + while (len--) { + item = iv.readUInt8(len); + if (item === 255) { + iv.writeUInt8(0, len); + } else { + item++; + iv.writeUInt8(item, len); + break + } + } +} +var incr32_1 = incr32; + +var Buffer$k = safeBuffer.Buffer; + + +function getBlock$1 (self) { + var out = self._cipher.encryptBlockRaw(self._prev); + incr32_1(self._prev); + return out +} + +var blockSize = 16; +var encrypt$6 = function (self, chunk) { + var chunkNum = Math.ceil(chunk.length / blockSize); + var start = self._cache.length; + self._cache = Buffer$k.concat([ + self._cache, + Buffer$k.allocUnsafe(chunkNum * blockSize) + ]); + for (var i = 0; i < chunkNum; i++) { + var out = getBlock$1(self); + var offset = start + i * blockSize; + self._cache.writeUInt32BE(out[0], offset + 0); + self._cache.writeUInt32BE(out[1], offset + 4); + self._cache.writeUInt32BE(out[2], offset + 8); + self._cache.writeUInt32BE(out[3], offset + 12); + } + var pad = self._cache.slice(0, chunk.length); + self._cache = self._cache.slice(chunk.length); + return bufferXor(chunk, pad) +}; + +var ctr = { + encrypt: encrypt$6 +}; + +var aes128 = { + cipher: "AES", + key: 128, + iv: 16, + mode: "CBC", + type: "block" +}; +var aes192 = { + cipher: "AES", + key: 192, + iv: 16, + mode: "CBC", + type: "block" +}; +var aes256 = { + cipher: "AES", + key: 256, + iv: 16, + mode: "CBC", + type: "block" +}; +var list = { + "aes-128-ecb": { + cipher: "AES", + key: 128, + iv: 0, + mode: "ECB", + type: "block" +}, + "aes-192-ecb": { + cipher: "AES", + key: 192, + iv: 0, + mode: "ECB", + type: "block" +}, + "aes-256-ecb": { + cipher: "AES", + key: 256, + iv: 0, + mode: "ECB", + type: "block" +}, + "aes-128-cbc": { + cipher: "AES", + key: 128, + iv: 16, + mode: "CBC", + type: "block" +}, + "aes-192-cbc": { + cipher: "AES", + key: 192, + iv: 16, + mode: "CBC", + type: "block" +}, + "aes-256-cbc": { + cipher: "AES", + key: 256, + iv: 16, + mode: "CBC", + type: "block" +}, + aes128: aes128, + aes192: aes192, + aes256: aes256, + "aes-128-cfb": { + cipher: "AES", + key: 128, + iv: 16, + mode: "CFB", + type: "stream" +}, + "aes-192-cfb": { + cipher: "AES", + key: 192, + iv: 16, + mode: "CFB", + type: "stream" +}, + "aes-256-cfb": { + cipher: "AES", + key: 256, + iv: 16, + mode: "CFB", + type: "stream" +}, + "aes-128-cfb8": { + cipher: "AES", + key: 128, + iv: 16, + mode: "CFB8", + type: "stream" +}, + "aes-192-cfb8": { + cipher: "AES", + key: 192, + iv: 16, + mode: "CFB8", + type: "stream" +}, + "aes-256-cfb8": { + cipher: "AES", + key: 256, + iv: 16, + mode: "CFB8", + type: "stream" +}, + "aes-128-cfb1": { + cipher: "AES", + key: 128, + iv: 16, + mode: "CFB1", + type: "stream" +}, + "aes-192-cfb1": { + cipher: "AES", + key: 192, + iv: 16, + mode: "CFB1", + type: "stream" +}, + "aes-256-cfb1": { + cipher: "AES", + key: 256, + iv: 16, + mode: "CFB1", + type: "stream" +}, + "aes-128-ofb": { + cipher: "AES", + key: 128, + iv: 16, + mode: "OFB", + type: "stream" +}, + "aes-192-ofb": { + cipher: "AES", + key: 192, + iv: 16, + mode: "OFB", + type: "stream" +}, + "aes-256-ofb": { + cipher: "AES", + key: 256, + iv: 16, + mode: "OFB", + type: "stream" +}, + "aes-128-ctr": { + cipher: "AES", + key: 128, + iv: 16, + mode: "CTR", + type: "stream" +}, + "aes-192-ctr": { + cipher: "AES", + key: 192, + iv: 16, + mode: "CTR", + type: "stream" +}, + "aes-256-ctr": { + cipher: "AES", + key: 256, + iv: 16, + mode: "CTR", + type: "stream" +}, + "aes-128-gcm": { + cipher: "AES", + key: 128, + iv: 12, + mode: "GCM", + type: "auth" +}, + "aes-192-gcm": { + cipher: "AES", + key: 192, + iv: 12, + mode: "GCM", + type: "auth" +}, + "aes-256-gcm": { + cipher: "AES", + key: 256, + iv: 12, + mode: "GCM", + type: "auth" +} +}; + +var list$1 = /*#__PURE__*/Object.freeze({ + aes128: aes128, + aes192: aes192, + aes256: aes256, + 'default': list +}); + +var modes$1 = getCjsExportFromNamespace(list$1); + +var modeModules = { + ECB: ecb, + CBC: cbc$1, + CFB: cfb, + CFB8: cfb8, + CFB1: cfb1, + OFB: ofb, + CTR: ctr, + GCM: ctr +}; + + + +for (var key in modes$1) { + modes$1[key].module = modeModules[modes$1[key].mode]; +} + +var modes_1 = modes$1; + +// based on the aes implimentation in triple sec +// https://github.com/keybase/triplesec +// which is in turn based on the one from crypto-js +// https://code.google.com/p/crypto-js/ + +var Buffer$l = safeBuffer.Buffer; + +function asUInt32Array (buf) { + if (!Buffer$l.isBuffer(buf)) buf = Buffer$l.from(buf); + + var len = (buf.length / 4) | 0; + var out = new Array(len); + + for (var i = 0; i < len; i++) { + out[i] = buf.readUInt32BE(i * 4); + } + + return out +} + +function scrubVec (v) { + for (var i = 0; i < v.length; v++) { + v[i] = 0; + } +} + +function cryptBlock (M, keySchedule, SUB_MIX, SBOX, nRounds) { + var SUB_MIX0 = SUB_MIX[0]; + var SUB_MIX1 = SUB_MIX[1]; + var SUB_MIX2 = SUB_MIX[2]; + var SUB_MIX3 = SUB_MIX[3]; + + var s0 = M[0] ^ keySchedule[0]; + var s1 = M[1] ^ keySchedule[1]; + var s2 = M[2] ^ keySchedule[2]; + var s3 = M[3] ^ keySchedule[3]; + var t0, t1, t2, t3; + var ksRow = 4; + + for (var round = 1; round < nRounds; round++) { + t0 = SUB_MIX0[s0 >>> 24] ^ SUB_MIX1[(s1 >>> 16) & 0xff] ^ SUB_MIX2[(s2 >>> 8) & 0xff] ^ SUB_MIX3[s3 & 0xff] ^ keySchedule[ksRow++]; + t1 = SUB_MIX0[s1 >>> 24] ^ SUB_MIX1[(s2 >>> 16) & 0xff] ^ SUB_MIX2[(s3 >>> 8) & 0xff] ^ SUB_MIX3[s0 & 0xff] ^ keySchedule[ksRow++]; + t2 = SUB_MIX0[s2 >>> 24] ^ SUB_MIX1[(s3 >>> 16) & 0xff] ^ SUB_MIX2[(s0 >>> 8) & 0xff] ^ SUB_MIX3[s1 & 0xff] ^ keySchedule[ksRow++]; + t3 = SUB_MIX0[s3 >>> 24] ^ SUB_MIX1[(s0 >>> 16) & 0xff] ^ SUB_MIX2[(s1 >>> 8) & 0xff] ^ SUB_MIX3[s2 & 0xff] ^ keySchedule[ksRow++]; + s0 = t0; + s1 = t1; + s2 = t2; + s3 = t3; + } + + t0 = ((SBOX[s0 >>> 24] << 24) | (SBOX[(s1 >>> 16) & 0xff] << 16) | (SBOX[(s2 >>> 8) & 0xff] << 8) | SBOX[s3 & 0xff]) ^ keySchedule[ksRow++]; + t1 = ((SBOX[s1 >>> 24] << 24) | (SBOX[(s2 >>> 16) & 0xff] << 16) | (SBOX[(s3 >>> 8) & 0xff] << 8) | SBOX[s0 & 0xff]) ^ keySchedule[ksRow++]; + t2 = ((SBOX[s2 >>> 24] << 24) | (SBOX[(s3 >>> 16) & 0xff] << 16) | (SBOX[(s0 >>> 8) & 0xff] << 8) | SBOX[s1 & 0xff]) ^ keySchedule[ksRow++]; + t3 = ((SBOX[s3 >>> 24] << 24) | (SBOX[(s0 >>> 16) & 0xff] << 16) | (SBOX[(s1 >>> 8) & 0xff] << 8) | SBOX[s2 & 0xff]) ^ keySchedule[ksRow++]; + t0 = t0 >>> 0; + t1 = t1 >>> 0; + t2 = t2 >>> 0; + t3 = t3 >>> 0; + + return [t0, t1, t2, t3] +} + +// AES constants +var RCON = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36]; +var G = (function () { + // Compute double table + var d = new Array(256); + for (var j = 0; j < 256; j++) { + if (j < 128) { + d[j] = j << 1; + } else { + d[j] = (j << 1) ^ 0x11b; + } + } + + var SBOX = []; + var INV_SBOX = []; + var SUB_MIX = [[], [], [], []]; + var INV_SUB_MIX = [[], [], [], []]; + + // Walk GF(2^8) + var x = 0; + var xi = 0; + for (var i = 0; i < 256; ++i) { + // Compute sbox + var sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4); + sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63; + SBOX[x] = sx; + INV_SBOX[sx] = x; + + // Compute multiplication + var x2 = d[x]; + var x4 = d[x2]; + var x8 = d[x4]; + + // Compute sub bytes, mix columns tables + var t = (d[sx] * 0x101) ^ (sx * 0x1010100); + SUB_MIX[0][x] = (t << 24) | (t >>> 8); + SUB_MIX[1][x] = (t << 16) | (t >>> 16); + SUB_MIX[2][x] = (t << 8) | (t >>> 24); + SUB_MIX[3][x] = t; + + // Compute inv sub bytes, inv mix columns tables + t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100); + INV_SUB_MIX[0][sx] = (t << 24) | (t >>> 8); + INV_SUB_MIX[1][sx] = (t << 16) | (t >>> 16); + INV_SUB_MIX[2][sx] = (t << 8) | (t >>> 24); + INV_SUB_MIX[3][sx] = t; + + if (x === 0) { + x = xi = 1; + } else { + x = x2 ^ d[d[d[x8 ^ x2]]]; + xi ^= d[d[xi]]; + } + } + + return { + SBOX: SBOX, + INV_SBOX: INV_SBOX, + SUB_MIX: SUB_MIX, + INV_SUB_MIX: INV_SUB_MIX + } +})(); + +function AES (key) { + this._key = asUInt32Array(key); + this._reset(); +} + +AES.blockSize = 4 * 4; +AES.keySize = 256 / 8; +AES.prototype.blockSize = AES.blockSize; +AES.prototype.keySize = AES.keySize; +AES.prototype._reset = function () { + var keyWords = this._key; + var keySize = keyWords.length; + var nRounds = keySize + 6; + var ksRows = (nRounds + 1) * 4; + + var keySchedule = []; + for (var k = 0; k < keySize; k++) { + keySchedule[k] = keyWords[k]; + } + + for (k = keySize; k < ksRows; k++) { + var t = keySchedule[k - 1]; + + if (k % keySize === 0) { + t = (t << 8) | (t >>> 24); + t = + (G.SBOX[t >>> 24] << 24) | + (G.SBOX[(t >>> 16) & 0xff] << 16) | + (G.SBOX[(t >>> 8) & 0xff] << 8) | + (G.SBOX[t & 0xff]); + + t ^= RCON[(k / keySize) | 0] << 24; + } else if (keySize > 6 && k % keySize === 4) { + t = + (G.SBOX[t >>> 24] << 24) | + (G.SBOX[(t >>> 16) & 0xff] << 16) | + (G.SBOX[(t >>> 8) & 0xff] << 8) | + (G.SBOX[t & 0xff]); + } + + keySchedule[k] = keySchedule[k - keySize] ^ t; + } + + var invKeySchedule = []; + for (var ik = 0; ik < ksRows; ik++) { + var ksR = ksRows - ik; + var tt = keySchedule[ksR - (ik % 4 ? 0 : 4)]; + + if (ik < 4 || ksR <= 4) { + invKeySchedule[ik] = tt; + } else { + invKeySchedule[ik] = + G.INV_SUB_MIX[0][G.SBOX[tt >>> 24]] ^ + G.INV_SUB_MIX[1][G.SBOX[(tt >>> 16) & 0xff]] ^ + G.INV_SUB_MIX[2][G.SBOX[(tt >>> 8) & 0xff]] ^ + G.INV_SUB_MIX[3][G.SBOX[tt & 0xff]]; + } + } + + this._nRounds = nRounds; + this._keySchedule = keySchedule; + this._invKeySchedule = invKeySchedule; +}; + +AES.prototype.encryptBlockRaw = function (M) { + M = asUInt32Array(M); + return cryptBlock(M, this._keySchedule, G.SUB_MIX, G.SBOX, this._nRounds) +}; + +AES.prototype.encryptBlock = function (M) { + var out = this.encryptBlockRaw(M); + var buf = Buffer$l.allocUnsafe(16); + buf.writeUInt32BE(out[0], 0); + buf.writeUInt32BE(out[1], 4); + buf.writeUInt32BE(out[2], 8); + buf.writeUInt32BE(out[3], 12); + return buf +}; + +AES.prototype.decryptBlock = function (M) { + M = asUInt32Array(M); + + // swap + var m1 = M[1]; + M[1] = M[3]; + M[3] = m1; + + var out = cryptBlock(M, this._invKeySchedule, G.INV_SUB_MIX, G.INV_SBOX, this._nRounds); + var buf = Buffer$l.allocUnsafe(16); + buf.writeUInt32BE(out[0], 0); + buf.writeUInt32BE(out[3], 4); + buf.writeUInt32BE(out[2], 8); + buf.writeUInt32BE(out[1], 12); + return buf +}; + +AES.prototype.scrub = function () { + scrubVec(this._keySchedule); + scrubVec(this._invKeySchedule); + scrubVec(this._key); +}; + +var AES_1 = AES; + +var aes = { + AES: AES_1 +}; + +var Buffer$m = safeBuffer.Buffer; +var ZEROES = Buffer$m.alloc(16, 0); + +function toArray (buf) { + return [ + buf.readUInt32BE(0), + buf.readUInt32BE(4), + buf.readUInt32BE(8), + buf.readUInt32BE(12) + ] +} + +function fromArray (out) { + var buf = Buffer$m.allocUnsafe(16); + buf.writeUInt32BE(out[0] >>> 0, 0); + buf.writeUInt32BE(out[1] >>> 0, 4); + buf.writeUInt32BE(out[2] >>> 0, 8); + buf.writeUInt32BE(out[3] >>> 0, 12); + return buf +} + +function GHASH (key) { + this.h = key; + this.state = Buffer$m.alloc(16, 0); + this.cache = Buffer$m.allocUnsafe(0); +} + +// from http://bitwiseshiftleft.github.io/sjcl/doc/symbols/src/core_gcm.js.html +// by Juho Vähä-Herttua +GHASH.prototype.ghash = function (block) { + var i = -1; + while (++i < block.length) { + this.state[i] ^= block[i]; + } + this._multiply(); +}; + +GHASH.prototype._multiply = function () { + var Vi = toArray(this.h); + var Zi = [0, 0, 0, 0]; + var j, xi, lsbVi; + var i = -1; + while (++i < 128) { + xi = (this.state[~~(i / 8)] & (1 << (7 - (i % 8)))) !== 0; + if (xi) { + // Z_i+1 = Z_i ^ V_i + Zi[0] ^= Vi[0]; + Zi[1] ^= Vi[1]; + Zi[2] ^= Vi[2]; + Zi[3] ^= Vi[3]; + } + + // Store the value of LSB(V_i) + lsbVi = (Vi[3] & 1) !== 0; + + // V_i+1 = V_i >> 1 + for (j = 3; j > 0; j--) { + Vi[j] = (Vi[j] >>> 1) | ((Vi[j - 1] & 1) << 31); + } + Vi[0] = Vi[0] >>> 1; + + // If LSB(V_i) is 1, V_i+1 = (V_i >> 1) ^ R + if (lsbVi) { + Vi[0] = Vi[0] ^ (0xe1 << 24); + } + } + this.state = fromArray(Zi); +}; + +GHASH.prototype.update = function (buf) { + this.cache = Buffer$m.concat([this.cache, buf]); + var chunk; + while (this.cache.length >= 16) { + chunk = this.cache.slice(0, 16); + this.cache = this.cache.slice(16); + this.ghash(chunk); + } +}; + +GHASH.prototype.final = function (abl, bl) { + if (this.cache.length) { + this.ghash(Buffer$m.concat([this.cache, ZEROES], 16)); + } + + this.ghash(fromArray([0, abl, 0, bl])); + return this.state +}; + +var ghash = GHASH; + +var Buffer$n = safeBuffer.Buffer; + + + + + + +function xorTest (a, b) { + var out = 0; + if (a.length !== b.length) out++; + + var len = Math.min(a.length, b.length); + for (var i = 0; i < len; ++i) { + out += (a[i] ^ b[i]); + } + + return out +} + +function calcIv (self, iv, ck) { + if (iv.length === 12) { + self._finID = Buffer$n.concat([iv, Buffer$n.from([0, 0, 0, 1])]); + return Buffer$n.concat([iv, Buffer$n.from([0, 0, 0, 2])]) + } + var ghash$1 = new ghash(ck); + var len = iv.length; + var toPad = len % 16; + ghash$1.update(iv); + if (toPad) { + toPad = 16 - toPad; + ghash$1.update(Buffer$n.alloc(toPad, 0)); + } + ghash$1.update(Buffer$n.alloc(8, 0)); + var ivBits = len * 8; + var tail = Buffer$n.alloc(8); + tail.writeUIntBE(ivBits, 0, 8); + ghash$1.update(tail); + self._finID = ghash$1.state; + var out = Buffer$n.from(self._finID); + incr32_1(out); + return out +} +function StreamCipher (mode, key, iv, decrypt) { + cipherBase.call(this); + + var h = Buffer$n.alloc(4, 0); + + this._cipher = new aes.AES(key); + var ck = this._cipher.encryptBlock(h); + this._ghash = new ghash(ck); + iv = calcIv(this, iv, ck); + + this._prev = Buffer$n.from(iv); + this._cache = Buffer$n.allocUnsafe(0); + this._secCache = Buffer$n.allocUnsafe(0); + this._decrypt = decrypt; + this._alen = 0; + this._len = 0; + this._mode = mode; + + this._authTag = null; + this._called = false; +} + +inherits_browser(StreamCipher, cipherBase); + +StreamCipher.prototype._update = function (chunk) { + if (!this._called && this._alen) { + var rump = 16 - (this._alen % 16); + if (rump < 16) { + rump = Buffer$n.alloc(rump, 0); + this._ghash.update(rump); + } + } + + this._called = true; + var out = this._mode.encrypt(this, chunk); + if (this._decrypt) { + this._ghash.update(chunk); + } else { + this._ghash.update(out); + } + this._len += chunk.length; + return out +}; + +StreamCipher.prototype._final = function () { + if (this._decrypt && !this._authTag) throw new Error('Unsupported state or unable to authenticate data') + + var tag = bufferXor(this._ghash.final(this._alen * 8, this._len * 8), this._cipher.encryptBlock(this._finID)); + if (this._decrypt && xorTest(tag, this._authTag)) throw new Error('Unsupported state or unable to authenticate data') + + this._authTag = tag; + this._cipher.scrub(); +}; + +StreamCipher.prototype.getAuthTag = function getAuthTag () { + if (this._decrypt || !Buffer$n.isBuffer(this._authTag)) throw new Error('Attempting to get auth tag in unsupported state') + + return this._authTag +}; + +StreamCipher.prototype.setAuthTag = function setAuthTag (tag) { + if (!this._decrypt) throw new Error('Attempting to set auth tag in unsupported state') + + this._authTag = tag; +}; + +StreamCipher.prototype.setAAD = function setAAD (buf) { + if (this._called) throw new Error('Attempting to set AAD in unsupported state') + + this._ghash.update(buf); + this._alen += buf.length; +}; + +var authCipher = StreamCipher; + +var Buffer$o = safeBuffer.Buffer; + + + +function StreamCipher$1 (mode, key, iv, decrypt) { + cipherBase.call(this); + + this._cipher = new aes.AES(key); + this._prev = Buffer$o.from(iv); + this._cache = Buffer$o.allocUnsafe(0); + this._secCache = Buffer$o.allocUnsafe(0); + this._decrypt = decrypt; + this._mode = mode; +} + +inherits_browser(StreamCipher$1, cipherBase); + +StreamCipher$1.prototype._update = function (chunk) { + return this._mode.encrypt(this, chunk, this._decrypt) +}; + +StreamCipher$1.prototype._final = function () { + this._cipher.scrub(); +}; + +var streamCipher = StreamCipher$1; + +var Buffer$p = safeBuffer.Buffer; + + +/* eslint-disable camelcase */ +function EVP_BytesToKey (password, salt, keyBits, ivLen) { + if (!Buffer$p.isBuffer(password)) password = Buffer$p.from(password, 'binary'); + if (salt) { + if (!Buffer$p.isBuffer(salt)) salt = Buffer$p.from(salt, 'binary'); + if (salt.length !== 8) throw new RangeError('salt should be Buffer with 8 byte length') + } + + var keyLen = keyBits / 8; + var key = Buffer$p.alloc(keyLen); + var iv = Buffer$p.alloc(ivLen || 0); + var tmp = Buffer$p.alloc(0); + + while (keyLen > 0 || ivLen > 0) { + var hash = new md5_js(); + hash.update(tmp); + hash.update(password); + if (salt) hash.update(salt); + tmp = hash.digest(); + + var used = 0; + + if (keyLen > 0) { + var keyStart = key.length - keyLen; + used = Math.min(keyLen, tmp.length); + tmp.copy(key, keyStart, 0, used); + keyLen -= used; + } + + if (used < tmp.length && ivLen > 0) { + var ivStart = iv.length - ivLen; + var length = Math.min(ivLen, tmp.length - used); + tmp.copy(iv, ivStart, used, used + length); + ivLen -= length; + } + } + + tmp.fill(0); + return { key: key, iv: iv } +} + +var evp_bytestokey = EVP_BytesToKey; + +var Buffer$q = safeBuffer.Buffer; + + + + + + +function Cipher$4 (mode, key, iv) { + cipherBase.call(this); + + this._cache = new Splitter(); + this._cipher = new aes.AES(key); + this._prev = Buffer$q.from(iv); + this._mode = mode; + this._autopadding = true; +} + +inherits_browser(Cipher$4, cipherBase); + +Cipher$4.prototype._update = function (data) { + this._cache.add(data); + var chunk; + var thing; + var out = []; + + while ((chunk = this._cache.get())) { + thing = this._mode.encrypt(this, chunk); + out.push(thing); + } + + return Buffer$q.concat(out) +}; + +var PADDING = Buffer$q.alloc(16, 0x10); + +Cipher$4.prototype._final = function () { + var chunk = this._cache.flush(); + if (this._autopadding) { + chunk = this._mode.encrypt(this, chunk); + this._cipher.scrub(); + return chunk + } + + if (!chunk.equals(PADDING)) { + this._cipher.scrub(); + throw new Error('data not multiple of block length') + } +}; + +Cipher$4.prototype.setAutoPadding = function (setTo) { + this._autopadding = !!setTo; + return this +}; + +function Splitter () { + this.cache = Buffer$q.allocUnsafe(0); +} + +Splitter.prototype.add = function (data) { + this.cache = Buffer$q.concat([this.cache, data]); +}; + +Splitter.prototype.get = function () { + if (this.cache.length > 15) { + var out = this.cache.slice(0, 16); + this.cache = this.cache.slice(16); + return out + } + return null +}; + +Splitter.prototype.flush = function () { + var len = 16 - this.cache.length; + var padBuff = Buffer$q.allocUnsafe(len); + + var i = -1; + while (++i < len) { + padBuff.writeUInt8(len, i); + } + + return Buffer$q.concat([this.cache, padBuff]) +}; + +function createCipheriv (suite, password, iv) { + var config = modes_1[suite.toLowerCase()]; + if (!config) throw new TypeError('invalid suite type') + + if (typeof password === 'string') password = Buffer$q.from(password); + if (password.length !== config.key / 8) throw new TypeError('invalid key length ' + password.length) + + if (typeof iv === 'string') iv = Buffer$q.from(iv); + if (config.mode !== 'GCM' && iv.length !== config.iv) throw new TypeError('invalid iv length ' + iv.length) + + if (config.type === 'stream') { + return new streamCipher(config.module, password, iv) + } else if (config.type === 'auth') { + return new authCipher(config.module, password, iv) + } + + return new Cipher$4(config.module, password, iv) +} + +function createCipher (suite, password) { + var config = modes_1[suite.toLowerCase()]; + if (!config) throw new TypeError('invalid suite type') + + var keys = evp_bytestokey(password, false, config.key, config.iv); + return createCipheriv(suite, keys.key, keys.iv) +} + +var createCipheriv_1 = createCipheriv; +var createCipher_1 = createCipher; + +var encrypter = { + createCipheriv: createCipheriv_1, + createCipher: createCipher_1 +}; + +var Buffer$r = safeBuffer.Buffer; + + + + + + + +function Decipher (mode, key, iv) { + cipherBase.call(this); + + this._cache = new Splitter$1(); + this._last = void 0; + this._cipher = new aes.AES(key); + this._prev = Buffer$r.from(iv); + this._mode = mode; + this._autopadding = true; +} + +inherits_browser(Decipher, cipherBase); + +Decipher.prototype._update = function (data) { + this._cache.add(data); + var chunk; + var thing; + var out = []; + while ((chunk = this._cache.get(this._autopadding))) { + thing = this._mode.decrypt(this, chunk); + out.push(thing); + } + return Buffer$r.concat(out) +}; + +Decipher.prototype._final = function () { + var chunk = this._cache.flush(); + if (this._autopadding) { + return unpad(this._mode.decrypt(this, chunk)) + } else if (chunk) { + throw new Error('data not multiple of block length') + } +}; + +Decipher.prototype.setAutoPadding = function (setTo) { + this._autopadding = !!setTo; + return this +}; + +function Splitter$1 () { + this.cache = Buffer$r.allocUnsafe(0); +} + +Splitter$1.prototype.add = function (data) { + this.cache = Buffer$r.concat([this.cache, data]); +}; + +Splitter$1.prototype.get = function (autoPadding) { + var out; + if (autoPadding) { + if (this.cache.length > 16) { + out = this.cache.slice(0, 16); + this.cache = this.cache.slice(16); + return out + } + } else { + if (this.cache.length >= 16) { + out = this.cache.slice(0, 16); + this.cache = this.cache.slice(16); + return out + } + } + + return null +}; + +Splitter$1.prototype.flush = function () { + if (this.cache.length) return this.cache +}; + +function unpad (last) { + var padded = last[15]; + if (padded < 1 || padded > 16) { + throw new Error('unable to decrypt data') + } + var i = -1; + while (++i < padded) { + if (last[(i + (16 - padded))] !== padded) { + throw new Error('unable to decrypt data') + } + } + if (padded === 16) return + + return last.slice(0, 16 - padded) +} + +function createDecipheriv (suite, password, iv) { + var config = modes_1[suite.toLowerCase()]; + if (!config) throw new TypeError('invalid suite type') + + if (typeof iv === 'string') iv = Buffer$r.from(iv); + if (config.mode !== 'GCM' && iv.length !== config.iv) throw new TypeError('invalid iv length ' + iv.length) + + if (typeof password === 'string') password = Buffer$r.from(password); + if (password.length !== config.key / 8) throw new TypeError('invalid key length ' + password.length) + + if (config.type === 'stream') { + return new streamCipher(config.module, password, iv, true) + } else if (config.type === 'auth') { + return new authCipher(config.module, password, iv, true) + } + + return new Decipher(config.module, password, iv) +} + +function createDecipher (suite, password) { + var config = modes_1[suite.toLowerCase()]; + if (!config) throw new TypeError('invalid suite type') + + var keys = evp_bytestokey(password, false, config.key, config.iv); + return createDecipheriv(suite, keys.key, keys.iv) +} + +var createDecipher_1 = createDecipher; +var createDecipheriv_1 = createDecipheriv; + +var decrypter = { + createDecipher: createDecipher_1, + createDecipheriv: createDecipheriv_1 +}; + +var browser$4 = createCommonjsModule(function (module, exports) { +function getCiphers () { + return Object.keys(modes$1) +} + +exports.createCipher = exports.Cipher = encrypter.createCipher; +exports.createCipheriv = exports.Cipheriv = encrypter.createCipheriv; +exports.createDecipher = exports.Decipher = decrypter.createDecipher; +exports.createDecipheriv = exports.Decipheriv = decrypter.createDecipheriv; +exports.listCiphers = exports.getCiphers = getCiphers; +}); +var browser_1 = browser$4.createCipher; +var browser_2 = browser$4.Cipher; +var browser_3 = browser$4.createCipheriv; +var browser_4 = browser$4.Cipheriv; +var browser_5 = browser$4.createDecipher; +var browser_6 = browser$4.Decipher; +var browser_7 = browser$4.createDecipheriv; +var browser_8 = browser$4.Decipheriv; +var browser_9 = browser$4.listCiphers; +var browser_10 = browser$4.getCiphers; + +var modes$2 = createCommonjsModule(function (module, exports) { +exports['des-ecb'] = { + key: 8, + iv: 0 +}; +exports['des-cbc'] = exports.des = { + key: 8, + iv: 8 +}; +exports['des-ede3-cbc'] = exports.des3 = { + key: 24, + iv: 8 +}; +exports['des-ede3'] = { + key: 24, + iv: 0 +}; +exports['des-ede-cbc'] = { + key: 16, + iv: 8 +}; +exports['des-ede'] = { + key: 16, + iv: 0 +}; +}); +var modes_1$1 = modes$2.des; +var modes_2 = modes$2.des3; + +var browser$5 = createCommonjsModule(function (module, exports) { +function createCipher (suite, password) { + suite = suite.toLowerCase(); + + var keyLen, ivLen; + if (modes_1[suite]) { + keyLen = modes_1[suite].key; + ivLen = modes_1[suite].iv; + } else if (modes$2[suite]) { + keyLen = modes$2[suite].key * 8; + ivLen = modes$2[suite].iv; + } else { + throw new TypeError('invalid suite type') + } + + var keys = evp_bytestokey(password, false, keyLen, ivLen); + return createCipheriv(suite, keys.key, keys.iv) +} + +function createDecipher (suite, password) { + suite = suite.toLowerCase(); + + var keyLen, ivLen; + if (modes_1[suite]) { + keyLen = modes_1[suite].key; + ivLen = modes_1[suite].iv; + } else if (modes$2[suite]) { + keyLen = modes$2[suite].key * 8; + ivLen = modes$2[suite].iv; + } else { + throw new TypeError('invalid suite type') + } + + var keys = evp_bytestokey(password, false, keyLen, ivLen); + return createDecipheriv(suite, keys.key, keys.iv) +} + +function createCipheriv (suite, key, iv) { + suite = suite.toLowerCase(); + if (modes_1[suite]) return browser$4.createCipheriv(suite, key, iv) + if (modes$2[suite]) return new browserifyDes({ key: key, iv: iv, mode: suite }) + + throw new TypeError('invalid suite type') +} + +function createDecipheriv (suite, key, iv) { + suite = suite.toLowerCase(); + if (modes_1[suite]) return browser$4.createDecipheriv(suite, key, iv) + if (modes$2[suite]) return new browserifyDes({ key: key, iv: iv, mode: suite, decrypt: true }) + + throw new TypeError('invalid suite type') +} + +function getCiphers () { + return Object.keys(modes$2).concat(browser$4.getCiphers()) +} + +exports.createCipher = exports.Cipher = createCipher; +exports.createCipheriv = exports.Cipheriv = createCipheriv; +exports.createDecipher = exports.Decipher = createDecipher; +exports.createDecipheriv = exports.Decipheriv = createDecipheriv; +exports.listCiphers = exports.getCiphers = getCiphers; +}); +var browser_1$1 = browser$5.createCipher; +var browser_2$1 = browser$5.Cipher; +var browser_3$1 = browser$5.createCipheriv; +var browser_4$1 = browser$5.Cipheriv; +var browser_5$1 = browser$5.createDecipher; +var browser_6$1 = browser$5.Decipher; +var browser_7$1 = browser$5.createDecipheriv; +var browser_8$1 = browser$5.Decipheriv; +var browser_9$1 = browser$5.listCiphers; +var browser_10$1 = browser$5.getCiphers; + +var bn = createCommonjsModule(function (module) { +(function (module, exports) { + + // Utils + function assert (val, msg) { + if (!val) throw new Error(msg || 'Assertion failed'); + } + + // Could use `inherits` module, but don't want to move from single file + // architecture yet. + function inherits (ctor, superCtor) { + ctor.super_ = superCtor; + var TempCtor = function () {}; + TempCtor.prototype = superCtor.prototype; + ctor.prototype = new TempCtor(); + ctor.prototype.constructor = ctor; + } + + // BN + + function BN (number, base, endian) { + if (BN.isBN(number)) { + return number; + } + + this.negative = 0; + this.words = null; + this.length = 0; + + // Reduction context + this.red = null; + + if (number !== null) { + if (base === 'le' || base === 'be') { + endian = base; + base = 10; + } + + this._init(number || 0, base || 10, endian || 'be'); + } + } + if (typeof module === 'object') { + module.exports = BN; + } else { + exports.BN = BN; + } + + BN.BN = BN; + BN.wordSize = 26; + + var Buffer; + try { + Buffer = buffer$1.Buffer; + } catch (e) { + } + + BN.isBN = function isBN (num) { + if (num instanceof BN) { + return true; + } + + return num !== null && typeof num === 'object' && + num.constructor.wordSize === BN.wordSize && Array.isArray(num.words); + }; + + BN.max = function max (left, right) { + if (left.cmp(right) > 0) return left; + return right; + }; + + BN.min = function min (left, right) { + if (left.cmp(right) < 0) return left; + return right; + }; + + BN.prototype._init = function init (number, base, endian) { + if (typeof number === 'number') { + return this._initNumber(number, base, endian); + } + + if (typeof number === 'object') { + return this._initArray(number, base, endian); + } + + if (base === 'hex') { + base = 16; + } + assert(base === (base | 0) && base >= 2 && base <= 36); + + number = number.toString().replace(/\s+/g, ''); + var start = 0; + if (number[0] === '-') { + start++; + } + + if (base === 16) { + this._parseHex(number, start); + } else { + this._parseBase(number, base, start); + } + + if (number[0] === '-') { + this.negative = 1; + } + + this.strip(); + + if (endian !== 'le') return; + + this._initArray(this.toArray(), base, endian); + }; + + BN.prototype._initNumber = function _initNumber (number, base, endian) { + if (number < 0) { + this.negative = 1; + number = -number; + } + if (number < 0x4000000) { + this.words = [ number & 0x3ffffff ]; + this.length = 1; + } else if (number < 0x10000000000000) { + this.words = [ + number & 0x3ffffff, + (number / 0x4000000) & 0x3ffffff + ]; + this.length = 2; + } else { + assert(number < 0x20000000000000); // 2 ^ 53 (unsafe) + this.words = [ + number & 0x3ffffff, + (number / 0x4000000) & 0x3ffffff, + 1 + ]; + this.length = 3; + } + + if (endian !== 'le') return; + + // Reverse the bytes + this._initArray(this.toArray(), base, endian); + }; + + BN.prototype._initArray = function _initArray (number, base, endian) { + // Perhaps a Uint8Array + assert(typeof number.length === 'number'); + if (number.length <= 0) { + this.words = [ 0 ]; + this.length = 1; + return this; + } + + this.length = Math.ceil(number.length / 3); + this.words = new Array(this.length); + for (var i = 0; i < this.length; i++) { + this.words[i] = 0; + } + + var j, w; + var off = 0; + if (endian === 'be') { + for (i = number.length - 1, j = 0; i >= 0; i -= 3) { + w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16); + this.words[j] |= (w << off) & 0x3ffffff; + this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff; + off += 24; + if (off >= 26) { + off -= 26; + j++; + } + } + } else if (endian === 'le') { + for (i = 0, j = 0; i < number.length; i += 3) { + w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16); + this.words[j] |= (w << off) & 0x3ffffff; + this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff; + off += 24; + if (off >= 26) { + off -= 26; + j++; + } + } + } + return this.strip(); + }; + + function parseHex (str, start, end) { + var r = 0; + var len = Math.min(str.length, end); + for (var i = start; i < len; i++) { + var c = str.charCodeAt(i) - 48; + + r <<= 4; + + // 'a' - 'f' + if (c >= 49 && c <= 54) { + r |= c - 49 + 0xa; + + // 'A' - 'F' + } else if (c >= 17 && c <= 22) { + r |= c - 17 + 0xa; + + // '0' - '9' + } else { + r |= c & 0xf; + } + } + return r; + } + + BN.prototype._parseHex = function _parseHex (number, start) { + // Create possibly bigger array to ensure that it fits the number + this.length = Math.ceil((number.length - start) / 6); + this.words = new Array(this.length); + for (var i = 0; i < this.length; i++) { + this.words[i] = 0; + } + + var j, w; + // Scan 24-bit chunks and add them to the number + var off = 0; + for (i = number.length - 6, j = 0; i >= start; i -= 6) { + w = parseHex(number, i, i + 6); + this.words[j] |= (w << off) & 0x3ffffff; + // NOTE: `0x3fffff` is intentional here, 26bits max shift + 24bit hex limb + this.words[j + 1] |= w >>> (26 - off) & 0x3fffff; + off += 24; + if (off >= 26) { + off -= 26; + j++; + } + } + if (i + 6 !== start) { + w = parseHex(number, start, i + 6); + this.words[j] |= (w << off) & 0x3ffffff; + this.words[j + 1] |= w >>> (26 - off) & 0x3fffff; + } + this.strip(); + }; + + function parseBase (str, start, end, mul) { + var r = 0; + var len = Math.min(str.length, end); + for (var i = start; i < len; i++) { + var c = str.charCodeAt(i) - 48; + + r *= mul; + + // 'a' + if (c >= 49) { + r += c - 49 + 0xa; + + // 'A' + } else if (c >= 17) { + r += c - 17 + 0xa; + + // '0' - '9' + } else { + r += c; + } + } + return r; + } + + BN.prototype._parseBase = function _parseBase (number, base, start) { + // Initialize as zero + this.words = [ 0 ]; + this.length = 1; + + // Find length of limb in base + for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) { + limbLen++; + } + limbLen--; + limbPow = (limbPow / base) | 0; + + var total = number.length - start; + var mod = total % limbLen; + var end = Math.min(total, total - mod) + start; + + var word = 0; + for (var i = start; i < end; i += limbLen) { + word = parseBase(number, i, i + limbLen, base); + + this.imuln(limbPow); + if (this.words[0] + word < 0x4000000) { + this.words[0] += word; + } else { + this._iaddn(word); + } + } + + if (mod !== 0) { + var pow = 1; + word = parseBase(number, i, number.length, base); + + for (i = 0; i < mod; i++) { + pow *= base; + } + + this.imuln(pow); + if (this.words[0] + word < 0x4000000) { + this.words[0] += word; + } else { + this._iaddn(word); + } + } + }; + + BN.prototype.copy = function copy (dest) { + dest.words = new Array(this.length); + for (var i = 0; i < this.length; i++) { + dest.words[i] = this.words[i]; + } + dest.length = this.length; + dest.negative = this.negative; + dest.red = this.red; + }; + + BN.prototype.clone = function clone () { + var r = new BN(null); + this.copy(r); + return r; + }; + + BN.prototype._expand = function _expand (size) { + while (this.length < size) { + this.words[this.length++] = 0; + } + return this; + }; + + // Remove leading `0` from `this` + BN.prototype.strip = function strip () { + while (this.length > 1 && this.words[this.length - 1] === 0) { + this.length--; + } + return this._normSign(); + }; + + BN.prototype._normSign = function _normSign () { + // -0 = 0 + if (this.length === 1 && this.words[0] === 0) { + this.negative = 0; + } + return this; + }; + + BN.prototype.inspect = function inspect () { + return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>'; + }; + + /* + + var zeros = []; + var groupSizes = []; + var groupBases = []; + + var s = ''; + var i = -1; + while (++i < BN.wordSize) { + zeros[i] = s; + s += '0'; + } + groupSizes[0] = 0; + groupSizes[1] = 0; + groupBases[0] = 0; + groupBases[1] = 0; + var base = 2 - 1; + while (++base < 36 + 1) { + var groupSize = 0; + var groupBase = 1; + while (groupBase < (1 << BN.wordSize) / base) { + groupBase *= base; + groupSize += 1; + } + groupSizes[base] = groupSize; + groupBases[base] = groupBase; + } + + */ + + var zeros = [ + '', + '0', + '00', + '000', + '0000', + '00000', + '000000', + '0000000', + '00000000', + '000000000', + '0000000000', + '00000000000', + '000000000000', + '0000000000000', + '00000000000000', + '000000000000000', + '0000000000000000', + '00000000000000000', + '000000000000000000', + '0000000000000000000', + '00000000000000000000', + '000000000000000000000', + '0000000000000000000000', + '00000000000000000000000', + '000000000000000000000000', + '0000000000000000000000000' + ]; + + var groupSizes = [ + 0, 0, + 25, 16, 12, 11, 10, 9, 8, + 8, 7, 7, 7, 7, 6, 6, + 6, 6, 6, 6, 6, 5, 5, + 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5 + ]; + + var groupBases = [ + 0, 0, + 33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216, + 43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625, + 16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632, + 6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149, + 24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176 + ]; + + BN.prototype.toString = function toString (base, padding) { + base = base || 10; + padding = padding | 0 || 1; + + var out; + if (base === 16 || base === 'hex') { + out = ''; + var off = 0; + var carry = 0; + for (var i = 0; i < this.length; i++) { + var w = this.words[i]; + var word = (((w << off) | carry) & 0xffffff).toString(16); + carry = (w >>> (24 - off)) & 0xffffff; + if (carry !== 0 || i !== this.length - 1) { + out = zeros[6 - word.length] + word + out; + } else { + out = word + out; + } + off += 2; + if (off >= 26) { + off -= 26; + i--; + } + } + if (carry !== 0) { + out = carry.toString(16) + out; + } + while (out.length % padding !== 0) { + out = '0' + out; + } + if (this.negative !== 0) { + out = '-' + out; + } + return out; + } + + if (base === (base | 0) && base >= 2 && base <= 36) { + // var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base)); + var groupSize = groupSizes[base]; + // var groupBase = Math.pow(base, groupSize); + var groupBase = groupBases[base]; + out = ''; + var c = this.clone(); + c.negative = 0; + while (!c.isZero()) { + var r = c.modn(groupBase).toString(base); + c = c.idivn(groupBase); + + if (!c.isZero()) { + out = zeros[groupSize - r.length] + r + out; + } else { + out = r + out; + } + } + if (this.isZero()) { + out = '0' + out; + } + while (out.length % padding !== 0) { + out = '0' + out; + } + if (this.negative !== 0) { + out = '-' + out; + } + return out; + } + + assert(false, 'Base should be between 2 and 36'); + }; + + BN.prototype.toNumber = function toNumber () { + var ret = this.words[0]; + if (this.length === 2) { + ret += this.words[1] * 0x4000000; + } else if (this.length === 3 && this.words[2] === 0x01) { + // NOTE: at this stage it is known that the top bit is set + ret += 0x10000000000000 + (this.words[1] * 0x4000000); + } else if (this.length > 2) { + assert(false, 'Number can only safely store up to 53 bits'); + } + return (this.negative !== 0) ? -ret : ret; + }; + + BN.prototype.toJSON = function toJSON () { + return this.toString(16); + }; + + BN.prototype.toBuffer = function toBuffer (endian, length) { + assert(typeof Buffer !== 'undefined'); + return this.toArrayLike(Buffer, endian, length); + }; + + BN.prototype.toArray = function toArray (endian, length) { + return this.toArrayLike(Array, endian, length); + }; + + BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) { + var byteLength = this.byteLength(); + var reqLength = length || Math.max(1, byteLength); + assert(byteLength <= reqLength, 'byte array longer than desired length'); + assert(reqLength > 0, 'Requested array length <= 0'); + + this.strip(); + var littleEndian = endian === 'le'; + var res = new ArrayType(reqLength); + + var b, i; + var q = this.clone(); + if (!littleEndian) { + // Assume big-endian + for (i = 0; i < reqLength - byteLength; i++) { + res[i] = 0; + } + + for (i = 0; !q.isZero(); i++) { + b = q.andln(0xff); + q.iushrn(8); + + res[reqLength - i - 1] = b; + } + } else { + for (i = 0; !q.isZero(); i++) { + b = q.andln(0xff); + q.iushrn(8); + + res[i] = b; + } + + for (; i < reqLength; i++) { + res[i] = 0; + } + } + + return res; + }; + + if (Math.clz32) { + BN.prototype._countBits = function _countBits (w) { + return 32 - Math.clz32(w); + }; + } else { + BN.prototype._countBits = function _countBits (w) { + var t = w; + var r = 0; + if (t >= 0x1000) { + r += 13; + t >>>= 13; + } + if (t >= 0x40) { + r += 7; + t >>>= 7; + } + if (t >= 0x8) { + r += 4; + t >>>= 4; + } + if (t >= 0x02) { + r += 2; + t >>>= 2; + } + return r + t; + }; + } + + BN.prototype._zeroBits = function _zeroBits (w) { + // Short-cut + if (w === 0) return 26; + + var t = w; + var r = 0; + if ((t & 0x1fff) === 0) { + r += 13; + t >>>= 13; + } + if ((t & 0x7f) === 0) { + r += 7; + t >>>= 7; + } + if ((t & 0xf) === 0) { + r += 4; + t >>>= 4; + } + if ((t & 0x3) === 0) { + r += 2; + t >>>= 2; + } + if ((t & 0x1) === 0) { + r++; + } + return r; + }; + + // Return number of used bits in a BN + BN.prototype.bitLength = function bitLength () { + var w = this.words[this.length - 1]; + var hi = this._countBits(w); + return (this.length - 1) * 26 + hi; + }; + + function toBitArray (num) { + var w = new Array(num.bitLength()); + + for (var bit = 0; bit < w.length; bit++) { + var off = (bit / 26) | 0; + var wbit = bit % 26; + + w[bit] = (num.words[off] & (1 << wbit)) >>> wbit; + } + + return w; + } + + // Number of trailing zero bits + BN.prototype.zeroBits = function zeroBits () { + if (this.isZero()) return 0; + + var r = 0; + for (var i = 0; i < this.length; i++) { + var b = this._zeroBits(this.words[i]); + r += b; + if (b !== 26) break; + } + return r; + }; + + BN.prototype.byteLength = function byteLength () { + return Math.ceil(this.bitLength() / 8); + }; + + BN.prototype.toTwos = function toTwos (width) { + if (this.negative !== 0) { + return this.abs().inotn(width).iaddn(1); + } + return this.clone(); + }; + + BN.prototype.fromTwos = function fromTwos (width) { + if (this.testn(width - 1)) { + return this.notn(width).iaddn(1).ineg(); + } + return this.clone(); + }; + + BN.prototype.isNeg = function isNeg () { + return this.negative !== 0; + }; + + // Return negative clone of `this` + BN.prototype.neg = function neg () { + return this.clone().ineg(); + }; + + BN.prototype.ineg = function ineg () { + if (!this.isZero()) { + this.negative ^= 1; + } + + return this; + }; + + // Or `num` with `this` in-place + BN.prototype.iuor = function iuor (num) { + while (this.length < num.length) { + this.words[this.length++] = 0; + } + + for (var i = 0; i < num.length; i++) { + this.words[i] = this.words[i] | num.words[i]; + } + + return this.strip(); + }; + + BN.prototype.ior = function ior (num) { + assert((this.negative | num.negative) === 0); + return this.iuor(num); + }; + + // Or `num` with `this` + BN.prototype.or = function or (num) { + if (this.length > num.length) return this.clone().ior(num); + return num.clone().ior(this); + }; + + BN.prototype.uor = function uor (num) { + if (this.length > num.length) return this.clone().iuor(num); + return num.clone().iuor(this); + }; + + // And `num` with `this` in-place + BN.prototype.iuand = function iuand (num) { + // b = min-length(num, this) + var b; + if (this.length > num.length) { + b = num; + } else { + b = this; + } + + for (var i = 0; i < b.length; i++) { + this.words[i] = this.words[i] & num.words[i]; + } + + this.length = b.length; + + return this.strip(); + }; + + BN.prototype.iand = function iand (num) { + assert((this.negative | num.negative) === 0); + return this.iuand(num); + }; + + // And `num` with `this` + BN.prototype.and = function and (num) { + if (this.length > num.length) return this.clone().iand(num); + return num.clone().iand(this); + }; + + BN.prototype.uand = function uand (num) { + if (this.length > num.length) return this.clone().iuand(num); + return num.clone().iuand(this); + }; + + // Xor `num` with `this` in-place + BN.prototype.iuxor = function iuxor (num) { + // a.length > b.length + var a; + var b; + if (this.length > num.length) { + a = this; + b = num; + } else { + a = num; + b = this; + } + + for (var i = 0; i < b.length; i++) { + this.words[i] = a.words[i] ^ b.words[i]; + } + + if (this !== a) { + for (; i < a.length; i++) { + this.words[i] = a.words[i]; + } + } + + this.length = a.length; + + return this.strip(); + }; + + BN.prototype.ixor = function ixor (num) { + assert((this.negative | num.negative) === 0); + return this.iuxor(num); + }; + + // Xor `num` with `this` + BN.prototype.xor = function xor (num) { + if (this.length > num.length) return this.clone().ixor(num); + return num.clone().ixor(this); + }; + + BN.prototype.uxor = function uxor (num) { + if (this.length > num.length) return this.clone().iuxor(num); + return num.clone().iuxor(this); + }; + + // Not ``this`` with ``width`` bitwidth + BN.prototype.inotn = function inotn (width) { + assert(typeof width === 'number' && width >= 0); + + var bytesNeeded = Math.ceil(width / 26) | 0; + var bitsLeft = width % 26; + + // Extend the buffer with leading zeroes + this._expand(bytesNeeded); + + if (bitsLeft > 0) { + bytesNeeded--; + } + + // Handle complete words + for (var i = 0; i < bytesNeeded; i++) { + this.words[i] = ~this.words[i] & 0x3ffffff; + } + + // Handle the residue + if (bitsLeft > 0) { + this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft)); + } + + // And remove leading zeroes + return this.strip(); + }; + + BN.prototype.notn = function notn (width) { + return this.clone().inotn(width); + }; + + // Set `bit` of `this` + BN.prototype.setn = function setn (bit, val) { + assert(typeof bit === 'number' && bit >= 0); + + var off = (bit / 26) | 0; + var wbit = bit % 26; + + this._expand(off + 1); + + if (val) { + this.words[off] = this.words[off] | (1 << wbit); + } else { + this.words[off] = this.words[off] & ~(1 << wbit); + } + + return this.strip(); + }; + + // Add `num` to `this` in-place + BN.prototype.iadd = function iadd (num) { + var r; + + // negative + positive + if (this.negative !== 0 && num.negative === 0) { + this.negative = 0; + r = this.isub(num); + this.negative ^= 1; + return this._normSign(); + + // positive + negative + } else if (this.negative === 0 && num.negative !== 0) { + num.negative = 0; + r = this.isub(num); + num.negative = 1; + return r._normSign(); + } + + // a.length > b.length + var a, b; + if (this.length > num.length) { + a = this; + b = num; + } else { + a = num; + b = this; + } + + var carry = 0; + for (var i = 0; i < b.length; i++) { + r = (a.words[i] | 0) + (b.words[i] | 0) + carry; + this.words[i] = r & 0x3ffffff; + carry = r >>> 26; + } + for (; carry !== 0 && i < a.length; i++) { + r = (a.words[i] | 0) + carry; + this.words[i] = r & 0x3ffffff; + carry = r >>> 26; + } + + this.length = a.length; + if (carry !== 0) { + this.words[this.length] = carry; + this.length++; + // Copy the rest of the words + } else if (a !== this) { + for (; i < a.length; i++) { + this.words[i] = a.words[i]; + } + } + + return this; + }; + + // Add `num` to `this` + BN.prototype.add = function add (num) { + var res; + if (num.negative !== 0 && this.negative === 0) { + num.negative = 0; + res = this.sub(num); + num.negative ^= 1; + return res; + } else if (num.negative === 0 && this.negative !== 0) { + this.negative = 0; + res = num.sub(this); + this.negative = 1; + return res; + } + + if (this.length > num.length) return this.clone().iadd(num); + + return num.clone().iadd(this); + }; + + // Subtract `num` from `this` in-place + BN.prototype.isub = function isub (num) { + // this - (-num) = this + num + if (num.negative !== 0) { + num.negative = 0; + var r = this.iadd(num); + num.negative = 1; + return r._normSign(); + + // -this - num = -(this + num) + } else if (this.negative !== 0) { + this.negative = 0; + this.iadd(num); + this.negative = 1; + return this._normSign(); + } + + // At this point both numbers are positive + var cmp = this.cmp(num); + + // Optimization - zeroify + if (cmp === 0) { + this.negative = 0; + this.length = 1; + this.words[0] = 0; + return this; + } + + // a > b + var a, b; + if (cmp > 0) { + a = this; + b = num; + } else { + a = num; + b = this; + } + + var carry = 0; + for (var i = 0; i < b.length; i++) { + r = (a.words[i] | 0) - (b.words[i] | 0) + carry; + carry = r >> 26; + this.words[i] = r & 0x3ffffff; + } + for (; carry !== 0 && i < a.length; i++) { + r = (a.words[i] | 0) + carry; + carry = r >> 26; + this.words[i] = r & 0x3ffffff; + } + + // Copy rest of the words + if (carry === 0 && i < a.length && a !== this) { + for (; i < a.length; i++) { + this.words[i] = a.words[i]; + } + } + + this.length = Math.max(this.length, i); + + if (a !== this) { + this.negative = 1; + } + + return this.strip(); + }; + + // Subtract `num` from `this` + BN.prototype.sub = function sub (num) { + return this.clone().isub(num); + }; + + function smallMulTo (self, num, out) { + out.negative = num.negative ^ self.negative; + var len = (self.length + num.length) | 0; + out.length = len; + len = (len - 1) | 0; + + // Peel one iteration (compiler can't do it, because of code complexity) + var a = self.words[0] | 0; + var b = num.words[0] | 0; + var r = a * b; + + var lo = r & 0x3ffffff; + var carry = (r / 0x4000000) | 0; + out.words[0] = lo; + + for (var k = 1; k < len; k++) { + // Sum all words with the same `i + j = k` and accumulate `ncarry`, + // note that ncarry could be >= 0x3ffffff + var ncarry = carry >>> 26; + var rword = carry & 0x3ffffff; + var maxJ = Math.min(k, num.length - 1); + for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) { + var i = (k - j) | 0; + a = self.words[i] | 0; + b = num.words[j] | 0; + r = a * b + rword; + ncarry += (r / 0x4000000) | 0; + rword = r & 0x3ffffff; + } + out.words[k] = rword | 0; + carry = ncarry | 0; + } + if (carry !== 0) { + out.words[k] = carry | 0; + } else { + out.length--; + } + + return out.strip(); + } + + // TODO(indutny): it may be reasonable to omit it for users who don't need + // to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit + // multiplication (like elliptic secp256k1). + var comb10MulTo = function comb10MulTo (self, num, out) { + var a = self.words; + var b = num.words; + var o = out.words; + var c = 0; + var lo; + var mid; + var hi; + var a0 = a[0] | 0; + var al0 = a0 & 0x1fff; + var ah0 = a0 >>> 13; + var a1 = a[1] | 0; + var al1 = a1 & 0x1fff; + var ah1 = a1 >>> 13; + var a2 = a[2] | 0; + var al2 = a2 & 0x1fff; + var ah2 = a2 >>> 13; + var a3 = a[3] | 0; + var al3 = a3 & 0x1fff; + var ah3 = a3 >>> 13; + var a4 = a[4] | 0; + var al4 = a4 & 0x1fff; + var ah4 = a4 >>> 13; + var a5 = a[5] | 0; + var al5 = a5 & 0x1fff; + var ah5 = a5 >>> 13; + var a6 = a[6] | 0; + var al6 = a6 & 0x1fff; + var ah6 = a6 >>> 13; + var a7 = a[7] | 0; + var al7 = a7 & 0x1fff; + var ah7 = a7 >>> 13; + var a8 = a[8] | 0; + var al8 = a8 & 0x1fff; + var ah8 = a8 >>> 13; + var a9 = a[9] | 0; + var al9 = a9 & 0x1fff; + var ah9 = a9 >>> 13; + var b0 = b[0] | 0; + var bl0 = b0 & 0x1fff; + var bh0 = b0 >>> 13; + var b1 = b[1] | 0; + var bl1 = b1 & 0x1fff; + var bh1 = b1 >>> 13; + var b2 = b[2] | 0; + var bl2 = b2 & 0x1fff; + var bh2 = b2 >>> 13; + var b3 = b[3] | 0; + var bl3 = b3 & 0x1fff; + var bh3 = b3 >>> 13; + var b4 = b[4] | 0; + var bl4 = b4 & 0x1fff; + var bh4 = b4 >>> 13; + var b5 = b[5] | 0; + var bl5 = b5 & 0x1fff; + var bh5 = b5 >>> 13; + var b6 = b[6] | 0; + var bl6 = b6 & 0x1fff; + var bh6 = b6 >>> 13; + var b7 = b[7] | 0; + var bl7 = b7 & 0x1fff; + var bh7 = b7 >>> 13; + var b8 = b[8] | 0; + var bl8 = b8 & 0x1fff; + var bh8 = b8 >>> 13; + var b9 = b[9] | 0; + var bl9 = b9 & 0x1fff; + var bh9 = b9 >>> 13; + + out.negative = self.negative ^ num.negative; + out.length = 19; + /* k = 0 */ + lo = Math.imul(al0, bl0); + mid = Math.imul(al0, bh0); + mid = (mid + Math.imul(ah0, bl0)) | 0; + hi = Math.imul(ah0, bh0); + var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0; + w0 &= 0x3ffffff; + /* k = 1 */ + lo = Math.imul(al1, bl0); + mid = Math.imul(al1, bh0); + mid = (mid + Math.imul(ah1, bl0)) | 0; + hi = Math.imul(ah1, bh0); + lo = (lo + Math.imul(al0, bl1)) | 0; + mid = (mid + Math.imul(al0, bh1)) | 0; + mid = (mid + Math.imul(ah0, bl1)) | 0; + hi = (hi + Math.imul(ah0, bh1)) | 0; + var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0; + w1 &= 0x3ffffff; + /* k = 2 */ + lo = Math.imul(al2, bl0); + mid = Math.imul(al2, bh0); + mid = (mid + Math.imul(ah2, bl0)) | 0; + hi = Math.imul(ah2, bh0); + lo = (lo + Math.imul(al1, bl1)) | 0; + mid = (mid + Math.imul(al1, bh1)) | 0; + mid = (mid + Math.imul(ah1, bl1)) | 0; + hi = (hi + Math.imul(ah1, bh1)) | 0; + lo = (lo + Math.imul(al0, bl2)) | 0; + mid = (mid + Math.imul(al0, bh2)) | 0; + mid = (mid + Math.imul(ah0, bl2)) | 0; + hi = (hi + Math.imul(ah0, bh2)) | 0; + var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0; + w2 &= 0x3ffffff; + /* k = 3 */ + lo = Math.imul(al3, bl0); + mid = Math.imul(al3, bh0); + mid = (mid + Math.imul(ah3, bl0)) | 0; + hi = Math.imul(ah3, bh0); + lo = (lo + Math.imul(al2, bl1)) | 0; + mid = (mid + Math.imul(al2, bh1)) | 0; + mid = (mid + Math.imul(ah2, bl1)) | 0; + hi = (hi + Math.imul(ah2, bh1)) | 0; + lo = (lo + Math.imul(al1, bl2)) | 0; + mid = (mid + Math.imul(al1, bh2)) | 0; + mid = (mid + Math.imul(ah1, bl2)) | 0; + hi = (hi + Math.imul(ah1, bh2)) | 0; + lo = (lo + Math.imul(al0, bl3)) | 0; + mid = (mid + Math.imul(al0, bh3)) | 0; + mid = (mid + Math.imul(ah0, bl3)) | 0; + hi = (hi + Math.imul(ah0, bh3)) | 0; + var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0; + w3 &= 0x3ffffff; + /* k = 4 */ + lo = Math.imul(al4, bl0); + mid = Math.imul(al4, bh0); + mid = (mid + Math.imul(ah4, bl0)) | 0; + hi = Math.imul(ah4, bh0); + lo = (lo + Math.imul(al3, bl1)) | 0; + mid = (mid + Math.imul(al3, bh1)) | 0; + mid = (mid + Math.imul(ah3, bl1)) | 0; + hi = (hi + Math.imul(ah3, bh1)) | 0; + lo = (lo + Math.imul(al2, bl2)) | 0; + mid = (mid + Math.imul(al2, bh2)) | 0; + mid = (mid + Math.imul(ah2, bl2)) | 0; + hi = (hi + Math.imul(ah2, bh2)) | 0; + lo = (lo + Math.imul(al1, bl3)) | 0; + mid = (mid + Math.imul(al1, bh3)) | 0; + mid = (mid + Math.imul(ah1, bl3)) | 0; + hi = (hi + Math.imul(ah1, bh3)) | 0; + lo = (lo + Math.imul(al0, bl4)) | 0; + mid = (mid + Math.imul(al0, bh4)) | 0; + mid = (mid + Math.imul(ah0, bl4)) | 0; + hi = (hi + Math.imul(ah0, bh4)) | 0; + var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0; + w4 &= 0x3ffffff; + /* k = 5 */ + lo = Math.imul(al5, bl0); + mid = Math.imul(al5, bh0); + mid = (mid + Math.imul(ah5, bl0)) | 0; + hi = Math.imul(ah5, bh0); + lo = (lo + Math.imul(al4, bl1)) | 0; + mid = (mid + Math.imul(al4, bh1)) | 0; + mid = (mid + Math.imul(ah4, bl1)) | 0; + hi = (hi + Math.imul(ah4, bh1)) | 0; + lo = (lo + Math.imul(al3, bl2)) | 0; + mid = (mid + Math.imul(al3, bh2)) | 0; + mid = (mid + Math.imul(ah3, bl2)) | 0; + hi = (hi + Math.imul(ah3, bh2)) | 0; + lo = (lo + Math.imul(al2, bl3)) | 0; + mid = (mid + Math.imul(al2, bh3)) | 0; + mid = (mid + Math.imul(ah2, bl3)) | 0; + hi = (hi + Math.imul(ah2, bh3)) | 0; + lo = (lo + Math.imul(al1, bl4)) | 0; + mid = (mid + Math.imul(al1, bh4)) | 0; + mid = (mid + Math.imul(ah1, bl4)) | 0; + hi = (hi + Math.imul(ah1, bh4)) | 0; + lo = (lo + Math.imul(al0, bl5)) | 0; + mid = (mid + Math.imul(al0, bh5)) | 0; + mid = (mid + Math.imul(ah0, bl5)) | 0; + hi = (hi + Math.imul(ah0, bh5)) | 0; + var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0; + w5 &= 0x3ffffff; + /* k = 6 */ + lo = Math.imul(al6, bl0); + mid = Math.imul(al6, bh0); + mid = (mid + Math.imul(ah6, bl0)) | 0; + hi = Math.imul(ah6, bh0); + lo = (lo + Math.imul(al5, bl1)) | 0; + mid = (mid + Math.imul(al5, bh1)) | 0; + mid = (mid + Math.imul(ah5, bl1)) | 0; + hi = (hi + Math.imul(ah5, bh1)) | 0; + lo = (lo + Math.imul(al4, bl2)) | 0; + mid = (mid + Math.imul(al4, bh2)) | 0; + mid = (mid + Math.imul(ah4, bl2)) | 0; + hi = (hi + Math.imul(ah4, bh2)) | 0; + lo = (lo + Math.imul(al3, bl3)) | 0; + mid = (mid + Math.imul(al3, bh3)) | 0; + mid = (mid + Math.imul(ah3, bl3)) | 0; + hi = (hi + Math.imul(ah3, bh3)) | 0; + lo = (lo + Math.imul(al2, bl4)) | 0; + mid = (mid + Math.imul(al2, bh4)) | 0; + mid = (mid + Math.imul(ah2, bl4)) | 0; + hi = (hi + Math.imul(ah2, bh4)) | 0; + lo = (lo + Math.imul(al1, bl5)) | 0; + mid = (mid + Math.imul(al1, bh5)) | 0; + mid = (mid + Math.imul(ah1, bl5)) | 0; + hi = (hi + Math.imul(ah1, bh5)) | 0; + lo = (lo + Math.imul(al0, bl6)) | 0; + mid = (mid + Math.imul(al0, bh6)) | 0; + mid = (mid + Math.imul(ah0, bl6)) | 0; + hi = (hi + Math.imul(ah0, bh6)) | 0; + var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0; + w6 &= 0x3ffffff; + /* k = 7 */ + lo = Math.imul(al7, bl0); + mid = Math.imul(al7, bh0); + mid = (mid + Math.imul(ah7, bl0)) | 0; + hi = Math.imul(ah7, bh0); + lo = (lo + Math.imul(al6, bl1)) | 0; + mid = (mid + Math.imul(al6, bh1)) | 0; + mid = (mid + Math.imul(ah6, bl1)) | 0; + hi = (hi + Math.imul(ah6, bh1)) | 0; + lo = (lo + Math.imul(al5, bl2)) | 0; + mid = (mid + Math.imul(al5, bh2)) | 0; + mid = (mid + Math.imul(ah5, bl2)) | 0; + hi = (hi + Math.imul(ah5, bh2)) | 0; + lo = (lo + Math.imul(al4, bl3)) | 0; + mid = (mid + Math.imul(al4, bh3)) | 0; + mid = (mid + Math.imul(ah4, bl3)) | 0; + hi = (hi + Math.imul(ah4, bh3)) | 0; + lo = (lo + Math.imul(al3, bl4)) | 0; + mid = (mid + Math.imul(al3, bh4)) | 0; + mid = (mid + Math.imul(ah3, bl4)) | 0; + hi = (hi + Math.imul(ah3, bh4)) | 0; + lo = (lo + Math.imul(al2, bl5)) | 0; + mid = (mid + Math.imul(al2, bh5)) | 0; + mid = (mid + Math.imul(ah2, bl5)) | 0; + hi = (hi + Math.imul(ah2, bh5)) | 0; + lo = (lo + Math.imul(al1, bl6)) | 0; + mid = (mid + Math.imul(al1, bh6)) | 0; + mid = (mid + Math.imul(ah1, bl6)) | 0; + hi = (hi + Math.imul(ah1, bh6)) | 0; + lo = (lo + Math.imul(al0, bl7)) | 0; + mid = (mid + Math.imul(al0, bh7)) | 0; + mid = (mid + Math.imul(ah0, bl7)) | 0; + hi = (hi + Math.imul(ah0, bh7)) | 0; + var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0; + w7 &= 0x3ffffff; + /* k = 8 */ + lo = Math.imul(al8, bl0); + mid = Math.imul(al8, bh0); + mid = (mid + Math.imul(ah8, bl0)) | 0; + hi = Math.imul(ah8, bh0); + lo = (lo + Math.imul(al7, bl1)) | 0; + mid = (mid + Math.imul(al7, bh1)) | 0; + mid = (mid + Math.imul(ah7, bl1)) | 0; + hi = (hi + Math.imul(ah7, bh1)) | 0; + lo = (lo + Math.imul(al6, bl2)) | 0; + mid = (mid + Math.imul(al6, bh2)) | 0; + mid = (mid + Math.imul(ah6, bl2)) | 0; + hi = (hi + Math.imul(ah6, bh2)) | 0; + lo = (lo + Math.imul(al5, bl3)) | 0; + mid = (mid + Math.imul(al5, bh3)) | 0; + mid = (mid + Math.imul(ah5, bl3)) | 0; + hi = (hi + Math.imul(ah5, bh3)) | 0; + lo = (lo + Math.imul(al4, bl4)) | 0; + mid = (mid + Math.imul(al4, bh4)) | 0; + mid = (mid + Math.imul(ah4, bl4)) | 0; + hi = (hi + Math.imul(ah4, bh4)) | 0; + lo = (lo + Math.imul(al3, bl5)) | 0; + mid = (mid + Math.imul(al3, bh5)) | 0; + mid = (mid + Math.imul(ah3, bl5)) | 0; + hi = (hi + Math.imul(ah3, bh5)) | 0; + lo = (lo + Math.imul(al2, bl6)) | 0; + mid = (mid + Math.imul(al2, bh6)) | 0; + mid = (mid + Math.imul(ah2, bl6)) | 0; + hi = (hi + Math.imul(ah2, bh6)) | 0; + lo = (lo + Math.imul(al1, bl7)) | 0; + mid = (mid + Math.imul(al1, bh7)) | 0; + mid = (mid + Math.imul(ah1, bl7)) | 0; + hi = (hi + Math.imul(ah1, bh7)) | 0; + lo = (lo + Math.imul(al0, bl8)) | 0; + mid = (mid + Math.imul(al0, bh8)) | 0; + mid = (mid + Math.imul(ah0, bl8)) | 0; + hi = (hi + Math.imul(ah0, bh8)) | 0; + var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0; + w8 &= 0x3ffffff; + /* k = 9 */ + lo = Math.imul(al9, bl0); + mid = Math.imul(al9, bh0); + mid = (mid + Math.imul(ah9, bl0)) | 0; + hi = Math.imul(ah9, bh0); + lo = (lo + Math.imul(al8, bl1)) | 0; + mid = (mid + Math.imul(al8, bh1)) | 0; + mid = (mid + Math.imul(ah8, bl1)) | 0; + hi = (hi + Math.imul(ah8, bh1)) | 0; + lo = (lo + Math.imul(al7, bl2)) | 0; + mid = (mid + Math.imul(al7, bh2)) | 0; + mid = (mid + Math.imul(ah7, bl2)) | 0; + hi = (hi + Math.imul(ah7, bh2)) | 0; + lo = (lo + Math.imul(al6, bl3)) | 0; + mid = (mid + Math.imul(al6, bh3)) | 0; + mid = (mid + Math.imul(ah6, bl3)) | 0; + hi = (hi + Math.imul(ah6, bh3)) | 0; + lo = (lo + Math.imul(al5, bl4)) | 0; + mid = (mid + Math.imul(al5, bh4)) | 0; + mid = (mid + Math.imul(ah5, bl4)) | 0; + hi = (hi + Math.imul(ah5, bh4)) | 0; + lo = (lo + Math.imul(al4, bl5)) | 0; + mid = (mid + Math.imul(al4, bh5)) | 0; + mid = (mid + Math.imul(ah4, bl5)) | 0; + hi = (hi + Math.imul(ah4, bh5)) | 0; + lo = (lo + Math.imul(al3, bl6)) | 0; + mid = (mid + Math.imul(al3, bh6)) | 0; + mid = (mid + Math.imul(ah3, bl6)) | 0; + hi = (hi + Math.imul(ah3, bh6)) | 0; + lo = (lo + Math.imul(al2, bl7)) | 0; + mid = (mid + Math.imul(al2, bh7)) | 0; + mid = (mid + Math.imul(ah2, bl7)) | 0; + hi = (hi + Math.imul(ah2, bh7)) | 0; + lo = (lo + Math.imul(al1, bl8)) | 0; + mid = (mid + Math.imul(al1, bh8)) | 0; + mid = (mid + Math.imul(ah1, bl8)) | 0; + hi = (hi + Math.imul(ah1, bh8)) | 0; + lo = (lo + Math.imul(al0, bl9)) | 0; + mid = (mid + Math.imul(al0, bh9)) | 0; + mid = (mid + Math.imul(ah0, bl9)) | 0; + hi = (hi + Math.imul(ah0, bh9)) | 0; + var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0; + w9 &= 0x3ffffff; + /* k = 10 */ + lo = Math.imul(al9, bl1); + mid = Math.imul(al9, bh1); + mid = (mid + Math.imul(ah9, bl1)) | 0; + hi = Math.imul(ah9, bh1); + lo = (lo + Math.imul(al8, bl2)) | 0; + mid = (mid + Math.imul(al8, bh2)) | 0; + mid = (mid + Math.imul(ah8, bl2)) | 0; + hi = (hi + Math.imul(ah8, bh2)) | 0; + lo = (lo + Math.imul(al7, bl3)) | 0; + mid = (mid + Math.imul(al7, bh3)) | 0; + mid = (mid + Math.imul(ah7, bl3)) | 0; + hi = (hi + Math.imul(ah7, bh3)) | 0; + lo = (lo + Math.imul(al6, bl4)) | 0; + mid = (mid + Math.imul(al6, bh4)) | 0; + mid = (mid + Math.imul(ah6, bl4)) | 0; + hi = (hi + Math.imul(ah6, bh4)) | 0; + lo = (lo + Math.imul(al5, bl5)) | 0; + mid = (mid + Math.imul(al5, bh5)) | 0; + mid = (mid + Math.imul(ah5, bl5)) | 0; + hi = (hi + Math.imul(ah5, bh5)) | 0; + lo = (lo + Math.imul(al4, bl6)) | 0; + mid = (mid + Math.imul(al4, bh6)) | 0; + mid = (mid + Math.imul(ah4, bl6)) | 0; + hi = (hi + Math.imul(ah4, bh6)) | 0; + lo = (lo + Math.imul(al3, bl7)) | 0; + mid = (mid + Math.imul(al3, bh7)) | 0; + mid = (mid + Math.imul(ah3, bl7)) | 0; + hi = (hi + Math.imul(ah3, bh7)) | 0; + lo = (lo + Math.imul(al2, bl8)) | 0; + mid = (mid + Math.imul(al2, bh8)) | 0; + mid = (mid + Math.imul(ah2, bl8)) | 0; + hi = (hi + Math.imul(ah2, bh8)) | 0; + lo = (lo + Math.imul(al1, bl9)) | 0; + mid = (mid + Math.imul(al1, bh9)) | 0; + mid = (mid + Math.imul(ah1, bl9)) | 0; + hi = (hi + Math.imul(ah1, bh9)) | 0; + var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0; + w10 &= 0x3ffffff; + /* k = 11 */ + lo = Math.imul(al9, bl2); + mid = Math.imul(al9, bh2); + mid = (mid + Math.imul(ah9, bl2)) | 0; + hi = Math.imul(ah9, bh2); + lo = (lo + Math.imul(al8, bl3)) | 0; + mid = (mid + Math.imul(al8, bh3)) | 0; + mid = (mid + Math.imul(ah8, bl3)) | 0; + hi = (hi + Math.imul(ah8, bh3)) | 0; + lo = (lo + Math.imul(al7, bl4)) | 0; + mid = (mid + Math.imul(al7, bh4)) | 0; + mid = (mid + Math.imul(ah7, bl4)) | 0; + hi = (hi + Math.imul(ah7, bh4)) | 0; + lo = (lo + Math.imul(al6, bl5)) | 0; + mid = (mid + Math.imul(al6, bh5)) | 0; + mid = (mid + Math.imul(ah6, bl5)) | 0; + hi = (hi + Math.imul(ah6, bh5)) | 0; + lo = (lo + Math.imul(al5, bl6)) | 0; + mid = (mid + Math.imul(al5, bh6)) | 0; + mid = (mid + Math.imul(ah5, bl6)) | 0; + hi = (hi + Math.imul(ah5, bh6)) | 0; + lo = (lo + Math.imul(al4, bl7)) | 0; + mid = (mid + Math.imul(al4, bh7)) | 0; + mid = (mid + Math.imul(ah4, bl7)) | 0; + hi = (hi + Math.imul(ah4, bh7)) | 0; + lo = (lo + Math.imul(al3, bl8)) | 0; + mid = (mid + Math.imul(al3, bh8)) | 0; + mid = (mid + Math.imul(ah3, bl8)) | 0; + hi = (hi + Math.imul(ah3, bh8)) | 0; + lo = (lo + Math.imul(al2, bl9)) | 0; + mid = (mid + Math.imul(al2, bh9)) | 0; + mid = (mid + Math.imul(ah2, bl9)) | 0; + hi = (hi + Math.imul(ah2, bh9)) | 0; + var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0; + w11 &= 0x3ffffff; + /* k = 12 */ + lo = Math.imul(al9, bl3); + mid = Math.imul(al9, bh3); + mid = (mid + Math.imul(ah9, bl3)) | 0; + hi = Math.imul(ah9, bh3); + lo = (lo + Math.imul(al8, bl4)) | 0; + mid = (mid + Math.imul(al8, bh4)) | 0; + mid = (mid + Math.imul(ah8, bl4)) | 0; + hi = (hi + Math.imul(ah8, bh4)) | 0; + lo = (lo + Math.imul(al7, bl5)) | 0; + mid = (mid + Math.imul(al7, bh5)) | 0; + mid = (mid + Math.imul(ah7, bl5)) | 0; + hi = (hi + Math.imul(ah7, bh5)) | 0; + lo = (lo + Math.imul(al6, bl6)) | 0; + mid = (mid + Math.imul(al6, bh6)) | 0; + mid = (mid + Math.imul(ah6, bl6)) | 0; + hi = (hi + Math.imul(ah6, bh6)) | 0; + lo = (lo + Math.imul(al5, bl7)) | 0; + mid = (mid + Math.imul(al5, bh7)) | 0; + mid = (mid + Math.imul(ah5, bl7)) | 0; + hi = (hi + Math.imul(ah5, bh7)) | 0; + lo = (lo + Math.imul(al4, bl8)) | 0; + mid = (mid + Math.imul(al4, bh8)) | 0; + mid = (mid + Math.imul(ah4, bl8)) | 0; + hi = (hi + Math.imul(ah4, bh8)) | 0; + lo = (lo + Math.imul(al3, bl9)) | 0; + mid = (mid + Math.imul(al3, bh9)) | 0; + mid = (mid + Math.imul(ah3, bl9)) | 0; + hi = (hi + Math.imul(ah3, bh9)) | 0; + var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0; + w12 &= 0x3ffffff; + /* k = 13 */ + lo = Math.imul(al9, bl4); + mid = Math.imul(al9, bh4); + mid = (mid + Math.imul(ah9, bl4)) | 0; + hi = Math.imul(ah9, bh4); + lo = (lo + Math.imul(al8, bl5)) | 0; + mid = (mid + Math.imul(al8, bh5)) | 0; + mid = (mid + Math.imul(ah8, bl5)) | 0; + hi = (hi + Math.imul(ah8, bh5)) | 0; + lo = (lo + Math.imul(al7, bl6)) | 0; + mid = (mid + Math.imul(al7, bh6)) | 0; + mid = (mid + Math.imul(ah7, bl6)) | 0; + hi = (hi + Math.imul(ah7, bh6)) | 0; + lo = (lo + Math.imul(al6, bl7)) | 0; + mid = (mid + Math.imul(al6, bh7)) | 0; + mid = (mid + Math.imul(ah6, bl7)) | 0; + hi = (hi + Math.imul(ah6, bh7)) | 0; + lo = (lo + Math.imul(al5, bl8)) | 0; + mid = (mid + Math.imul(al5, bh8)) | 0; + mid = (mid + Math.imul(ah5, bl8)) | 0; + hi = (hi + Math.imul(ah5, bh8)) | 0; + lo = (lo + Math.imul(al4, bl9)) | 0; + mid = (mid + Math.imul(al4, bh9)) | 0; + mid = (mid + Math.imul(ah4, bl9)) | 0; + hi = (hi + Math.imul(ah4, bh9)) | 0; + var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0; + w13 &= 0x3ffffff; + /* k = 14 */ + lo = Math.imul(al9, bl5); + mid = Math.imul(al9, bh5); + mid = (mid + Math.imul(ah9, bl5)) | 0; + hi = Math.imul(ah9, bh5); + lo = (lo + Math.imul(al8, bl6)) | 0; + mid = (mid + Math.imul(al8, bh6)) | 0; + mid = (mid + Math.imul(ah8, bl6)) | 0; + hi = (hi + Math.imul(ah8, bh6)) | 0; + lo = (lo + Math.imul(al7, bl7)) | 0; + mid = (mid + Math.imul(al7, bh7)) | 0; + mid = (mid + Math.imul(ah7, bl7)) | 0; + hi = (hi + Math.imul(ah7, bh7)) | 0; + lo = (lo + Math.imul(al6, bl8)) | 0; + mid = (mid + Math.imul(al6, bh8)) | 0; + mid = (mid + Math.imul(ah6, bl8)) | 0; + hi = (hi + Math.imul(ah6, bh8)) | 0; + lo = (lo + Math.imul(al5, bl9)) | 0; + mid = (mid + Math.imul(al5, bh9)) | 0; + mid = (mid + Math.imul(ah5, bl9)) | 0; + hi = (hi + Math.imul(ah5, bh9)) | 0; + var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0; + w14 &= 0x3ffffff; + /* k = 15 */ + lo = Math.imul(al9, bl6); + mid = Math.imul(al9, bh6); + mid = (mid + Math.imul(ah9, bl6)) | 0; + hi = Math.imul(ah9, bh6); + lo = (lo + Math.imul(al8, bl7)) | 0; + mid = (mid + Math.imul(al8, bh7)) | 0; + mid = (mid + Math.imul(ah8, bl7)) | 0; + hi = (hi + Math.imul(ah8, bh7)) | 0; + lo = (lo + Math.imul(al7, bl8)) | 0; + mid = (mid + Math.imul(al7, bh8)) | 0; + mid = (mid + Math.imul(ah7, bl8)) | 0; + hi = (hi + Math.imul(ah7, bh8)) | 0; + lo = (lo + Math.imul(al6, bl9)) | 0; + mid = (mid + Math.imul(al6, bh9)) | 0; + mid = (mid + Math.imul(ah6, bl9)) | 0; + hi = (hi + Math.imul(ah6, bh9)) | 0; + var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0; + w15 &= 0x3ffffff; + /* k = 16 */ + lo = Math.imul(al9, bl7); + mid = Math.imul(al9, bh7); + mid = (mid + Math.imul(ah9, bl7)) | 0; + hi = Math.imul(ah9, bh7); + lo = (lo + Math.imul(al8, bl8)) | 0; + mid = (mid + Math.imul(al8, bh8)) | 0; + mid = (mid + Math.imul(ah8, bl8)) | 0; + hi = (hi + Math.imul(ah8, bh8)) | 0; + lo = (lo + Math.imul(al7, bl9)) | 0; + mid = (mid + Math.imul(al7, bh9)) | 0; + mid = (mid + Math.imul(ah7, bl9)) | 0; + hi = (hi + Math.imul(ah7, bh9)) | 0; + var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0; + w16 &= 0x3ffffff; + /* k = 17 */ + lo = Math.imul(al9, bl8); + mid = Math.imul(al9, bh8); + mid = (mid + Math.imul(ah9, bl8)) | 0; + hi = Math.imul(ah9, bh8); + lo = (lo + Math.imul(al8, bl9)) | 0; + mid = (mid + Math.imul(al8, bh9)) | 0; + mid = (mid + Math.imul(ah8, bl9)) | 0; + hi = (hi + Math.imul(ah8, bh9)) | 0; + var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0; + w17 &= 0x3ffffff; + /* k = 18 */ + lo = Math.imul(al9, bl9); + mid = Math.imul(al9, bh9); + mid = (mid + Math.imul(ah9, bl9)) | 0; + hi = Math.imul(ah9, bh9); + var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0; + c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0; + w18 &= 0x3ffffff; + o[0] = w0; + o[1] = w1; + o[2] = w2; + o[3] = w3; + o[4] = w4; + o[5] = w5; + o[6] = w6; + o[7] = w7; + o[8] = w8; + o[9] = w9; + o[10] = w10; + o[11] = w11; + o[12] = w12; + o[13] = w13; + o[14] = w14; + o[15] = w15; + o[16] = w16; + o[17] = w17; + o[18] = w18; + if (c !== 0) { + o[19] = c; + out.length++; + } + return out; + }; + + // Polyfill comb + if (!Math.imul) { + comb10MulTo = smallMulTo; + } + + function bigMulTo (self, num, out) { + out.negative = num.negative ^ self.negative; + out.length = self.length + num.length; + + var carry = 0; + var hncarry = 0; + for (var k = 0; k < out.length - 1; k++) { + // Sum all words with the same `i + j = k` and accumulate `ncarry`, + // note that ncarry could be >= 0x3ffffff + var ncarry = hncarry; + hncarry = 0; + var rword = carry & 0x3ffffff; + var maxJ = Math.min(k, num.length - 1); + for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) { + var i = k - j; + var a = self.words[i] | 0; + var b = num.words[j] | 0; + var r = a * b; + + var lo = r & 0x3ffffff; + ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0; + lo = (lo + rword) | 0; + rword = lo & 0x3ffffff; + ncarry = (ncarry + (lo >>> 26)) | 0; + + hncarry += ncarry >>> 26; + ncarry &= 0x3ffffff; + } + out.words[k] = rword; + carry = ncarry; + ncarry = hncarry; + } + if (carry !== 0) { + out.words[k] = carry; + } else { + out.length--; + } + + return out.strip(); + } + + function jumboMulTo (self, num, out) { + var fftm = new FFTM(); + return fftm.mulp(self, num, out); + } + + BN.prototype.mulTo = function mulTo (num, out) { + var res; + var len = this.length + num.length; + if (this.length === 10 && num.length === 10) { + res = comb10MulTo(this, num, out); + } else if (len < 63) { + res = smallMulTo(this, num, out); + } else if (len < 1024) { + res = bigMulTo(this, num, out); + } else { + res = jumboMulTo(this, num, out); + } + + return res; + }; + + // Cooley-Tukey algorithm for FFT + // slightly revisited to rely on looping instead of recursion + + function FFTM (x, y) { + this.x = x; + this.y = y; + } + + FFTM.prototype.makeRBT = function makeRBT (N) { + var t = new Array(N); + var l = BN.prototype._countBits(N) - 1; + for (var i = 0; i < N; i++) { + t[i] = this.revBin(i, l, N); + } + + return t; + }; + + // Returns binary-reversed representation of `x` + FFTM.prototype.revBin = function revBin (x, l, N) { + if (x === 0 || x === N - 1) return x; + + var rb = 0; + for (var i = 0; i < l; i++) { + rb |= (x & 1) << (l - i - 1); + x >>= 1; + } + + return rb; + }; + + // Performs "tweedling" phase, therefore 'emulating' + // behaviour of the recursive algorithm + FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) { + for (var i = 0; i < N; i++) { + rtws[i] = rws[rbt[i]]; + itws[i] = iws[rbt[i]]; + } + }; + + FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) { + this.permute(rbt, rws, iws, rtws, itws, N); + + for (var s = 1; s < N; s <<= 1) { + var l = s << 1; + + var rtwdf = Math.cos(2 * Math.PI / l); + var itwdf = Math.sin(2 * Math.PI / l); + + for (var p = 0; p < N; p += l) { + var rtwdf_ = rtwdf; + var itwdf_ = itwdf; + + for (var j = 0; j < s; j++) { + var re = rtws[p + j]; + var ie = itws[p + j]; + + var ro = rtws[p + j + s]; + var io = itws[p + j + s]; + + var rx = rtwdf_ * ro - itwdf_ * io; + + io = rtwdf_ * io + itwdf_ * ro; + ro = rx; + + rtws[p + j] = re + ro; + itws[p + j] = ie + io; + + rtws[p + j + s] = re - ro; + itws[p + j + s] = ie - io; + + /* jshint maxdepth : false */ + if (j !== l) { + rx = rtwdf * rtwdf_ - itwdf * itwdf_; + + itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_; + rtwdf_ = rx; + } + } + } + } + }; + + FFTM.prototype.guessLen13b = function guessLen13b (n, m) { + var N = Math.max(m, n) | 1; + var odd = N & 1; + var i = 0; + for (N = N / 2 | 0; N; N = N >>> 1) { + i++; + } + + return 1 << i + 1 + odd; + }; + + FFTM.prototype.conjugate = function conjugate (rws, iws, N) { + if (N <= 1) return; + + for (var i = 0; i < N / 2; i++) { + var t = rws[i]; + + rws[i] = rws[N - i - 1]; + rws[N - i - 1] = t; + + t = iws[i]; + + iws[i] = -iws[N - i - 1]; + iws[N - i - 1] = -t; + } + }; + + FFTM.prototype.normalize13b = function normalize13b (ws, N) { + var carry = 0; + for (var i = 0; i < N / 2; i++) { + var w = Math.round(ws[2 * i + 1] / N) * 0x2000 + + Math.round(ws[2 * i] / N) + + carry; + + ws[i] = w & 0x3ffffff; + + if (w < 0x4000000) { + carry = 0; + } else { + carry = w / 0x4000000 | 0; + } + } + + return ws; + }; + + FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) { + var carry = 0; + for (var i = 0; i < len; i++) { + carry = carry + (ws[i] | 0); + + rws[2 * i] = carry & 0x1fff; carry = carry >>> 13; + rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13; + } + + // Pad with zeroes + for (i = 2 * len; i < N; ++i) { + rws[i] = 0; + } + + assert(carry === 0); + assert((carry & ~0x1fff) === 0); + }; + + FFTM.prototype.stub = function stub (N) { + var ph = new Array(N); + for (var i = 0; i < N; i++) { + ph[i] = 0; + } + + return ph; + }; + + FFTM.prototype.mulp = function mulp (x, y, out) { + var N = 2 * this.guessLen13b(x.length, y.length); + + var rbt = this.makeRBT(N); + + var _ = this.stub(N); + + var rws = new Array(N); + var rwst = new Array(N); + var iwst = new Array(N); + + var nrws = new Array(N); + var nrwst = new Array(N); + var niwst = new Array(N); + + var rmws = out.words; + rmws.length = N; + + this.convert13b(x.words, x.length, rws, N); + this.convert13b(y.words, y.length, nrws, N); + + this.transform(rws, _, rwst, iwst, N, rbt); + this.transform(nrws, _, nrwst, niwst, N, rbt); + + for (var i = 0; i < N; i++) { + var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i]; + iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i]; + rwst[i] = rx; + } + + this.conjugate(rwst, iwst, N); + this.transform(rwst, iwst, rmws, _, N, rbt); + this.conjugate(rmws, _, N); + this.normalize13b(rmws, N); + + out.negative = x.negative ^ y.negative; + out.length = x.length + y.length; + return out.strip(); + }; + + // Multiply `this` by `num` + BN.prototype.mul = function mul (num) { + var out = new BN(null); + out.words = new Array(this.length + num.length); + return this.mulTo(num, out); + }; + + // Multiply employing FFT + BN.prototype.mulf = function mulf (num) { + var out = new BN(null); + out.words = new Array(this.length + num.length); + return jumboMulTo(this, num, out); + }; + + // In-place Multiplication + BN.prototype.imul = function imul (num) { + return this.clone().mulTo(num, this); + }; + + BN.prototype.imuln = function imuln (num) { + assert(typeof num === 'number'); + assert(num < 0x4000000); + + // Carry + var carry = 0; + for (var i = 0; i < this.length; i++) { + var w = (this.words[i] | 0) * num; + var lo = (w & 0x3ffffff) + (carry & 0x3ffffff); + carry >>= 26; + carry += (w / 0x4000000) | 0; + // NOTE: lo is 27bit maximum + carry += lo >>> 26; + this.words[i] = lo & 0x3ffffff; + } + + if (carry !== 0) { + this.words[i] = carry; + this.length++; + } + + return this; + }; + + BN.prototype.muln = function muln (num) { + return this.clone().imuln(num); + }; + + // `this` * `this` + BN.prototype.sqr = function sqr () { + return this.mul(this); + }; + + // `this` * `this` in-place + BN.prototype.isqr = function isqr () { + return this.imul(this.clone()); + }; + + // Math.pow(`this`, `num`) + BN.prototype.pow = function pow (num) { + var w = toBitArray(num); + if (w.length === 0) return new BN(1); + + // Skip leading zeroes + var res = this; + for (var i = 0; i < w.length; i++, res = res.sqr()) { + if (w[i] !== 0) break; + } + + if (++i < w.length) { + for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) { + if (w[i] === 0) continue; + + res = res.mul(q); + } + } + + return res; + }; + + // Shift-left in-place + BN.prototype.iushln = function iushln (bits) { + assert(typeof bits === 'number' && bits >= 0); + var r = bits % 26; + var s = (bits - r) / 26; + var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r); + var i; + + if (r !== 0) { + var carry = 0; + + for (i = 0; i < this.length; i++) { + var newCarry = this.words[i] & carryMask; + var c = ((this.words[i] | 0) - newCarry) << r; + this.words[i] = c | carry; + carry = newCarry >>> (26 - r); + } + + if (carry) { + this.words[i] = carry; + this.length++; + } + } + + if (s !== 0) { + for (i = this.length - 1; i >= 0; i--) { + this.words[i + s] = this.words[i]; + } + + for (i = 0; i < s; i++) { + this.words[i] = 0; + } + + this.length += s; + } + + return this.strip(); + }; + + BN.prototype.ishln = function ishln (bits) { + // TODO(indutny): implement me + assert(this.negative === 0); + return this.iushln(bits); + }; + + // Shift-right in-place + // NOTE: `hint` is a lowest bit before trailing zeroes + // NOTE: if `extended` is present - it will be filled with destroyed bits + BN.prototype.iushrn = function iushrn (bits, hint, extended) { + assert(typeof bits === 'number' && bits >= 0); + var h; + if (hint) { + h = (hint - (hint % 26)) / 26; + } else { + h = 0; + } + + var r = bits % 26; + var s = Math.min((bits - r) / 26, this.length); + var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r); + var maskedWords = extended; + + h -= s; + h = Math.max(0, h); + + // Extended mode, copy masked part + if (maskedWords) { + for (var i = 0; i < s; i++) { + maskedWords.words[i] = this.words[i]; + } + maskedWords.length = s; + } + + if (s === 0) ; else if (this.length > s) { + this.length -= s; + for (i = 0; i < this.length; i++) { + this.words[i] = this.words[i + s]; + } + } else { + this.words[0] = 0; + this.length = 1; + } + + var carry = 0; + for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) { + var word = this.words[i] | 0; + this.words[i] = (carry << (26 - r)) | (word >>> r); + carry = word & mask; + } + + // Push carried bits as a mask + if (maskedWords && carry !== 0) { + maskedWords.words[maskedWords.length++] = carry; + } + + if (this.length === 0) { + this.words[0] = 0; + this.length = 1; + } + + return this.strip(); + }; + + BN.prototype.ishrn = function ishrn (bits, hint, extended) { + // TODO(indutny): implement me + assert(this.negative === 0); + return this.iushrn(bits, hint, extended); + }; + + // Shift-left + BN.prototype.shln = function shln (bits) { + return this.clone().ishln(bits); + }; + + BN.prototype.ushln = function ushln (bits) { + return this.clone().iushln(bits); + }; + + // Shift-right + BN.prototype.shrn = function shrn (bits) { + return this.clone().ishrn(bits); + }; + + BN.prototype.ushrn = function ushrn (bits) { + return this.clone().iushrn(bits); + }; + + // Test if n bit is set + BN.prototype.testn = function testn (bit) { + assert(typeof bit === 'number' && bit >= 0); + var r = bit % 26; + var s = (bit - r) / 26; + var q = 1 << r; + + // Fast case: bit is much higher than all existing words + if (this.length <= s) return false; + + // Check bit and return + var w = this.words[s]; + + return !!(w & q); + }; + + // Return only lowers bits of number (in-place) + BN.prototype.imaskn = function imaskn (bits) { + assert(typeof bits === 'number' && bits >= 0); + var r = bits % 26; + var s = (bits - r) / 26; + + assert(this.negative === 0, 'imaskn works only with positive numbers'); + + if (this.length <= s) { + return this; + } + + if (r !== 0) { + s++; + } + this.length = Math.min(s, this.length); + + if (r !== 0) { + var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r); + this.words[this.length - 1] &= mask; + } + + return this.strip(); + }; + + // Return only lowers bits of number + BN.prototype.maskn = function maskn (bits) { + return this.clone().imaskn(bits); + }; + + // Add plain number `num` to `this` + BN.prototype.iaddn = function iaddn (num) { + assert(typeof num === 'number'); + assert(num < 0x4000000); + if (num < 0) return this.isubn(-num); + + // Possible sign change + if (this.negative !== 0) { + if (this.length === 1 && (this.words[0] | 0) < num) { + this.words[0] = num - (this.words[0] | 0); + this.negative = 0; + return this; + } + + this.negative = 0; + this.isubn(num); + this.negative = 1; + return this; + } + + // Add without checks + return this._iaddn(num); + }; + + BN.prototype._iaddn = function _iaddn (num) { + this.words[0] += num; + + // Carry + for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) { + this.words[i] -= 0x4000000; + if (i === this.length - 1) { + this.words[i + 1] = 1; + } else { + this.words[i + 1]++; + } + } + this.length = Math.max(this.length, i + 1); + + return this; + }; + + // Subtract plain number `num` from `this` + BN.prototype.isubn = function isubn (num) { + assert(typeof num === 'number'); + assert(num < 0x4000000); + if (num < 0) return this.iaddn(-num); + + if (this.negative !== 0) { + this.negative = 0; + this.iaddn(num); + this.negative = 1; + return this; + } + + this.words[0] -= num; + + if (this.length === 1 && this.words[0] < 0) { + this.words[0] = -this.words[0]; + this.negative = 1; + } else { + // Carry + for (var i = 0; i < this.length && this.words[i] < 0; i++) { + this.words[i] += 0x4000000; + this.words[i + 1] -= 1; + } + } + + return this.strip(); + }; + + BN.prototype.addn = function addn (num) { + return this.clone().iaddn(num); + }; + + BN.prototype.subn = function subn (num) { + return this.clone().isubn(num); + }; + + BN.prototype.iabs = function iabs () { + this.negative = 0; + + return this; + }; + + BN.prototype.abs = function abs () { + return this.clone().iabs(); + }; + + BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) { + var len = num.length + shift; + var i; + + this._expand(len); + + var w; + var carry = 0; + for (i = 0; i < num.length; i++) { + w = (this.words[i + shift] | 0) + carry; + var right = (num.words[i] | 0) * mul; + w -= right & 0x3ffffff; + carry = (w >> 26) - ((right / 0x4000000) | 0); + this.words[i + shift] = w & 0x3ffffff; + } + for (; i < this.length - shift; i++) { + w = (this.words[i + shift] | 0) + carry; + carry = w >> 26; + this.words[i + shift] = w & 0x3ffffff; + } + + if (carry === 0) return this.strip(); + + // Subtraction overflow + assert(carry === -1); + carry = 0; + for (i = 0; i < this.length; i++) { + w = -(this.words[i] | 0) + carry; + carry = w >> 26; + this.words[i] = w & 0x3ffffff; + } + this.negative = 1; + + return this.strip(); + }; + + BN.prototype._wordDiv = function _wordDiv (num, mode) { + var shift = this.length - num.length; + + var a = this.clone(); + var b = num; + + // Normalize + var bhi = b.words[b.length - 1] | 0; + var bhiBits = this._countBits(bhi); + shift = 26 - bhiBits; + if (shift !== 0) { + b = b.ushln(shift); + a.iushln(shift); + bhi = b.words[b.length - 1] | 0; + } + + // Initialize quotient + var m = a.length - b.length; + var q; + + if (mode !== 'mod') { + q = new BN(null); + q.length = m + 1; + q.words = new Array(q.length); + for (var i = 0; i < q.length; i++) { + q.words[i] = 0; + } + } + + var diff = a.clone()._ishlnsubmul(b, 1, m); + if (diff.negative === 0) { + a = diff; + if (q) { + q.words[m] = 1; + } + } + + for (var j = m - 1; j >= 0; j--) { + var qj = (a.words[b.length + j] | 0) * 0x4000000 + + (a.words[b.length + j - 1] | 0); + + // NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max + // (0x7ffffff) + qj = Math.min((qj / bhi) | 0, 0x3ffffff); + + a._ishlnsubmul(b, qj, j); + while (a.negative !== 0) { + qj--; + a.negative = 0; + a._ishlnsubmul(b, 1, j); + if (!a.isZero()) { + a.negative ^= 1; + } + } + if (q) { + q.words[j] = qj; + } + } + if (q) { + q.strip(); + } + a.strip(); + + // Denormalize + if (mode !== 'div' && shift !== 0) { + a.iushrn(shift); + } + + return { + div: q || null, + mod: a + }; + }; + + // NOTE: 1) `mode` can be set to `mod` to request mod only, + // to `div` to request div only, or be absent to + // request both div & mod + // 2) `positive` is true if unsigned mod is requested + BN.prototype.divmod = function divmod (num, mode, positive) { + assert(!num.isZero()); + + if (this.isZero()) { + return { + div: new BN(0), + mod: new BN(0) + }; + } + + var div, mod, res; + if (this.negative !== 0 && num.negative === 0) { + res = this.neg().divmod(num, mode); + + if (mode !== 'mod') { + div = res.div.neg(); + } + + if (mode !== 'div') { + mod = res.mod.neg(); + if (positive && mod.negative !== 0) { + mod.iadd(num); + } + } + + return { + div: div, + mod: mod + }; + } + + if (this.negative === 0 && num.negative !== 0) { + res = this.divmod(num.neg(), mode); + + if (mode !== 'mod') { + div = res.div.neg(); + } + + return { + div: div, + mod: res.mod + }; + } + + if ((this.negative & num.negative) !== 0) { + res = this.neg().divmod(num.neg(), mode); + + if (mode !== 'div') { + mod = res.mod.neg(); + if (positive && mod.negative !== 0) { + mod.isub(num); + } + } + + return { + div: res.div, + mod: mod + }; + } + + // Both numbers are positive at this point + + // Strip both numbers to approximate shift value + if (num.length > this.length || this.cmp(num) < 0) { + return { + div: new BN(0), + mod: this + }; + } + + // Very short reduction + if (num.length === 1) { + if (mode === 'div') { + return { + div: this.divn(num.words[0]), + mod: null + }; + } + + if (mode === 'mod') { + return { + div: null, + mod: new BN(this.modn(num.words[0])) + }; + } + + return { + div: this.divn(num.words[0]), + mod: new BN(this.modn(num.words[0])) + }; + } + + return this._wordDiv(num, mode); + }; + + // Find `this` / `num` + BN.prototype.div = function div (num) { + return this.divmod(num, 'div', false).div; + }; + + // Find `this` % `num` + BN.prototype.mod = function mod (num) { + return this.divmod(num, 'mod', false).mod; + }; + + BN.prototype.umod = function umod (num) { + return this.divmod(num, 'mod', true).mod; + }; + + // Find Round(`this` / `num`) + BN.prototype.divRound = function divRound (num) { + var dm = this.divmod(num); + + // Fast case - exact division + if (dm.mod.isZero()) return dm.div; + + var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod; + + var half = num.ushrn(1); + var r2 = num.andln(1); + var cmp = mod.cmp(half); + + // Round down + if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div; + + // Round up + return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1); + }; + + BN.prototype.modn = function modn (num) { + assert(num <= 0x3ffffff); + var p = (1 << 26) % num; + + var acc = 0; + for (var i = this.length - 1; i >= 0; i--) { + acc = (p * acc + (this.words[i] | 0)) % num; + } + + return acc; + }; + + // In-place division by number + BN.prototype.idivn = function idivn (num) { + assert(num <= 0x3ffffff); + + var carry = 0; + for (var i = this.length - 1; i >= 0; i--) { + var w = (this.words[i] | 0) + carry * 0x4000000; + this.words[i] = (w / num) | 0; + carry = w % num; + } + + return this.strip(); + }; + + BN.prototype.divn = function divn (num) { + return this.clone().idivn(num); + }; + + BN.prototype.egcd = function egcd (p) { + assert(p.negative === 0); + assert(!p.isZero()); + + var x = this; + var y = p.clone(); + + if (x.negative !== 0) { + x = x.umod(p); + } else { + x = x.clone(); + } + + // A * x + B * y = x + var A = new BN(1); + var B = new BN(0); + + // C * x + D * y = y + var C = new BN(0); + var D = new BN(1); + + var g = 0; + + while (x.isEven() && y.isEven()) { + x.iushrn(1); + y.iushrn(1); + ++g; + } + + var yp = y.clone(); + var xp = x.clone(); + + while (!x.isZero()) { + for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1); + if (i > 0) { + x.iushrn(i); + while (i-- > 0) { + if (A.isOdd() || B.isOdd()) { + A.iadd(yp); + B.isub(xp); + } + + A.iushrn(1); + B.iushrn(1); + } + } + + for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1); + if (j > 0) { + y.iushrn(j); + while (j-- > 0) { + if (C.isOdd() || D.isOdd()) { + C.iadd(yp); + D.isub(xp); + } + + C.iushrn(1); + D.iushrn(1); + } + } + + if (x.cmp(y) >= 0) { + x.isub(y); + A.isub(C); + B.isub(D); + } else { + y.isub(x); + C.isub(A); + D.isub(B); + } + } + + return { + a: C, + b: D, + gcd: y.iushln(g) + }; + }; + + // This is reduced incarnation of the binary EEA + // above, designated to invert members of the + // _prime_ fields F(p) at a maximal speed + BN.prototype._invmp = function _invmp (p) { + assert(p.negative === 0); + assert(!p.isZero()); + + var a = this; + var b = p.clone(); + + if (a.negative !== 0) { + a = a.umod(p); + } else { + a = a.clone(); + } + + var x1 = new BN(1); + var x2 = new BN(0); + + var delta = b.clone(); + + while (a.cmpn(1) > 0 && b.cmpn(1) > 0) { + for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1); + if (i > 0) { + a.iushrn(i); + while (i-- > 0) { + if (x1.isOdd()) { + x1.iadd(delta); + } + + x1.iushrn(1); + } + } + + for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1); + if (j > 0) { + b.iushrn(j); + while (j-- > 0) { + if (x2.isOdd()) { + x2.iadd(delta); + } + + x2.iushrn(1); + } + } + + if (a.cmp(b) >= 0) { + a.isub(b); + x1.isub(x2); + } else { + b.isub(a); + x2.isub(x1); + } + } + + var res; + if (a.cmpn(1) === 0) { + res = x1; + } else { + res = x2; + } + + if (res.cmpn(0) < 0) { + res.iadd(p); + } + + return res; + }; + + BN.prototype.gcd = function gcd (num) { + if (this.isZero()) return num.abs(); + if (num.isZero()) return this.abs(); + + var a = this.clone(); + var b = num.clone(); + a.negative = 0; + b.negative = 0; + + // Remove common factor of two + for (var shift = 0; a.isEven() && b.isEven(); shift++) { + a.iushrn(1); + b.iushrn(1); + } + + do { + while (a.isEven()) { + a.iushrn(1); + } + while (b.isEven()) { + b.iushrn(1); + } + + var r = a.cmp(b); + if (r < 0) { + // Swap `a` and `b` to make `a` always bigger than `b` + var t = a; + a = b; + b = t; + } else if (r === 0 || b.cmpn(1) === 0) { + break; + } + + a.isub(b); + } while (true); + + return b.iushln(shift); + }; + + // Invert number in the field F(num) + BN.prototype.invm = function invm (num) { + return this.egcd(num).a.umod(num); + }; + + BN.prototype.isEven = function isEven () { + return (this.words[0] & 1) === 0; + }; + + BN.prototype.isOdd = function isOdd () { + return (this.words[0] & 1) === 1; + }; + + // And first word and num + BN.prototype.andln = function andln (num) { + return this.words[0] & num; + }; + + // Increment at the bit position in-line + BN.prototype.bincn = function bincn (bit) { + assert(typeof bit === 'number'); + var r = bit % 26; + var s = (bit - r) / 26; + var q = 1 << r; + + // Fast case: bit is much higher than all existing words + if (this.length <= s) { + this._expand(s + 1); + this.words[s] |= q; + return this; + } + + // Add bit and propagate, if needed + var carry = q; + for (var i = s; carry !== 0 && i < this.length; i++) { + var w = this.words[i] | 0; + w += carry; + carry = w >>> 26; + w &= 0x3ffffff; + this.words[i] = w; + } + if (carry !== 0) { + this.words[i] = carry; + this.length++; + } + return this; + }; + + BN.prototype.isZero = function isZero () { + return this.length === 1 && this.words[0] === 0; + }; + + BN.prototype.cmpn = function cmpn (num) { + var negative = num < 0; + + if (this.negative !== 0 && !negative) return -1; + if (this.negative === 0 && negative) return 1; + + this.strip(); + + var res; + if (this.length > 1) { + res = 1; + } else { + if (negative) { + num = -num; + } + + assert(num <= 0x3ffffff, 'Number is too big'); + + var w = this.words[0] | 0; + res = w === num ? 0 : w < num ? -1 : 1; + } + if (this.negative !== 0) return -res | 0; + return res; + }; + + // Compare two numbers and return: + // 1 - if `this` > `num` + // 0 - if `this` == `num` + // -1 - if `this` < `num` + BN.prototype.cmp = function cmp (num) { + if (this.negative !== 0 && num.negative === 0) return -1; + if (this.negative === 0 && num.negative !== 0) return 1; + + var res = this.ucmp(num); + if (this.negative !== 0) return -res | 0; + return res; + }; + + // Unsigned comparison + BN.prototype.ucmp = function ucmp (num) { + // At this point both numbers have the same sign + if (this.length > num.length) return 1; + if (this.length < num.length) return -1; + + var res = 0; + for (var i = this.length - 1; i >= 0; i--) { + var a = this.words[i] | 0; + var b = num.words[i] | 0; + + if (a === b) continue; + if (a < b) { + res = -1; + } else if (a > b) { + res = 1; + } + break; + } + return res; + }; + + BN.prototype.gtn = function gtn (num) { + return this.cmpn(num) === 1; + }; + + BN.prototype.gt = function gt (num) { + return this.cmp(num) === 1; + }; + + BN.prototype.gten = function gten (num) { + return this.cmpn(num) >= 0; + }; + + BN.prototype.gte = function gte (num) { + return this.cmp(num) >= 0; + }; + + BN.prototype.ltn = function ltn (num) { + return this.cmpn(num) === -1; + }; + + BN.prototype.lt = function lt (num) { + return this.cmp(num) === -1; + }; + + BN.prototype.lten = function lten (num) { + return this.cmpn(num) <= 0; + }; + + BN.prototype.lte = function lte (num) { + return this.cmp(num) <= 0; + }; + + BN.prototype.eqn = function eqn (num) { + return this.cmpn(num) === 0; + }; + + BN.prototype.eq = function eq (num) { + return this.cmp(num) === 0; + }; + + // + // A reduce context, could be using montgomery or something better, depending + // on the `m` itself. + // + BN.red = function red (num) { + return new Red(num); + }; + + BN.prototype.toRed = function toRed (ctx) { + assert(!this.red, 'Already a number in reduction context'); + assert(this.negative === 0, 'red works only with positives'); + return ctx.convertTo(this)._forceRed(ctx); + }; + + BN.prototype.fromRed = function fromRed () { + assert(this.red, 'fromRed works only with numbers in reduction context'); + return this.red.convertFrom(this); + }; + + BN.prototype._forceRed = function _forceRed (ctx) { + this.red = ctx; + return this; + }; + + BN.prototype.forceRed = function forceRed (ctx) { + assert(!this.red, 'Already a number in reduction context'); + return this._forceRed(ctx); + }; + + BN.prototype.redAdd = function redAdd (num) { + assert(this.red, 'redAdd works only with red numbers'); + return this.red.add(this, num); + }; + + BN.prototype.redIAdd = function redIAdd (num) { + assert(this.red, 'redIAdd works only with red numbers'); + return this.red.iadd(this, num); + }; + + BN.prototype.redSub = function redSub (num) { + assert(this.red, 'redSub works only with red numbers'); + return this.red.sub(this, num); + }; + + BN.prototype.redISub = function redISub (num) { + assert(this.red, 'redISub works only with red numbers'); + return this.red.isub(this, num); + }; + + BN.prototype.redShl = function redShl (num) { + assert(this.red, 'redShl works only with red numbers'); + return this.red.shl(this, num); + }; + + BN.prototype.redMul = function redMul (num) { + assert(this.red, 'redMul works only with red numbers'); + this.red._verify2(this, num); + return this.red.mul(this, num); + }; + + BN.prototype.redIMul = function redIMul (num) { + assert(this.red, 'redMul works only with red numbers'); + this.red._verify2(this, num); + return this.red.imul(this, num); + }; + + BN.prototype.redSqr = function redSqr () { + assert(this.red, 'redSqr works only with red numbers'); + this.red._verify1(this); + return this.red.sqr(this); + }; + + BN.prototype.redISqr = function redISqr () { + assert(this.red, 'redISqr works only with red numbers'); + this.red._verify1(this); + return this.red.isqr(this); + }; + + // Square root over p + BN.prototype.redSqrt = function redSqrt () { + assert(this.red, 'redSqrt works only with red numbers'); + this.red._verify1(this); + return this.red.sqrt(this); + }; + + BN.prototype.redInvm = function redInvm () { + assert(this.red, 'redInvm works only with red numbers'); + this.red._verify1(this); + return this.red.invm(this); + }; + + // Return negative clone of `this` % `red modulo` + BN.prototype.redNeg = function redNeg () { + assert(this.red, 'redNeg works only with red numbers'); + this.red._verify1(this); + return this.red.neg(this); + }; + + BN.prototype.redPow = function redPow (num) { + assert(this.red && !num.red, 'redPow(normalNum)'); + this.red._verify1(this); + return this.red.pow(this, num); + }; + + // Prime numbers with efficient reduction + var primes = { + k256: null, + p224: null, + p192: null, + p25519: null + }; + + // Pseudo-Mersenne prime + function MPrime (name, p) { + // P = 2 ^ N - K + this.name = name; + this.p = new BN(p, 16); + this.n = this.p.bitLength(); + this.k = new BN(1).iushln(this.n).isub(this.p); + + this.tmp = this._tmp(); + } + + MPrime.prototype._tmp = function _tmp () { + var tmp = new BN(null); + tmp.words = new Array(Math.ceil(this.n / 13)); + return tmp; + }; + + MPrime.prototype.ireduce = function ireduce (num) { + // Assumes that `num` is less than `P^2` + // num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P) + var r = num; + var rlen; + + do { + this.split(r, this.tmp); + r = this.imulK(r); + r = r.iadd(this.tmp); + rlen = r.bitLength(); + } while (rlen > this.n); + + var cmp = rlen < this.n ? -1 : r.ucmp(this.p); + if (cmp === 0) { + r.words[0] = 0; + r.length = 1; + } else if (cmp > 0) { + r.isub(this.p); + } else { + r.strip(); + } + + return r; + }; + + MPrime.prototype.split = function split (input, out) { + input.iushrn(this.n, 0, out); + }; + + MPrime.prototype.imulK = function imulK (num) { + return num.imul(this.k); + }; + + function K256 () { + MPrime.call( + this, + 'k256', + 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f'); + } + inherits(K256, MPrime); + + K256.prototype.split = function split (input, output) { + // 256 = 9 * 26 + 22 + var mask = 0x3fffff; + + var outLen = Math.min(input.length, 9); + for (var i = 0; i < outLen; i++) { + output.words[i] = input.words[i]; + } + output.length = outLen; + + if (input.length <= 9) { + input.words[0] = 0; + input.length = 1; + return; + } + + // Shift by 9 limbs + var prev = input.words[9]; + output.words[output.length++] = prev & mask; + + for (i = 10; i < input.length; i++) { + var next = input.words[i] | 0; + input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22); + prev = next; + } + prev >>>= 22; + input.words[i - 10] = prev; + if (prev === 0 && input.length > 10) { + input.length -= 10; + } else { + input.length -= 9; + } + }; + + K256.prototype.imulK = function imulK (num) { + // K = 0x1000003d1 = [ 0x40, 0x3d1 ] + num.words[num.length] = 0; + num.words[num.length + 1] = 0; + num.length += 2; + + // bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390 + var lo = 0; + for (var i = 0; i < num.length; i++) { + var w = num.words[i] | 0; + lo += w * 0x3d1; + num.words[i] = lo & 0x3ffffff; + lo = w * 0x40 + ((lo / 0x4000000) | 0); + } + + // Fast length reduction + if (num.words[num.length - 1] === 0) { + num.length--; + if (num.words[num.length - 1] === 0) { + num.length--; + } + } + return num; + }; + + function P224 () { + MPrime.call( + this, + 'p224', + 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001'); + } + inherits(P224, MPrime); + + function P192 () { + MPrime.call( + this, + 'p192', + 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff'); + } + inherits(P192, MPrime); + + function P25519 () { + // 2 ^ 255 - 19 + MPrime.call( + this, + '25519', + '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed'); + } + inherits(P25519, MPrime); + + P25519.prototype.imulK = function imulK (num) { + // K = 0x13 + var carry = 0; + for (var i = 0; i < num.length; i++) { + var hi = (num.words[i] | 0) * 0x13 + carry; + var lo = hi & 0x3ffffff; + hi >>>= 26; + + num.words[i] = lo; + carry = hi; + } + if (carry !== 0) { + num.words[num.length++] = carry; + } + return num; + }; + + // Exported mostly for testing purposes, use plain name instead + BN._prime = function prime (name) { + // Cached version of prime + if (primes[name]) return primes[name]; + + var prime; + if (name === 'k256') { + prime = new K256(); + } else if (name === 'p224') { + prime = new P224(); + } else if (name === 'p192') { + prime = new P192(); + } else if (name === 'p25519') { + prime = new P25519(); + } else { + throw new Error('Unknown prime ' + name); + } + primes[name] = prime; + + return prime; + }; + + // + // Base reduction engine + // + function Red (m) { + if (typeof m === 'string') { + var prime = BN._prime(m); + this.m = prime.p; + this.prime = prime; + } else { + assert(m.gtn(1), 'modulus must be greater than 1'); + this.m = m; + this.prime = null; + } + } + + Red.prototype._verify1 = function _verify1 (a) { + assert(a.negative === 0, 'red works only with positives'); + assert(a.red, 'red works only with red numbers'); + }; + + Red.prototype._verify2 = function _verify2 (a, b) { + assert((a.negative | b.negative) === 0, 'red works only with positives'); + assert(a.red && a.red === b.red, + 'red works only with red numbers'); + }; + + Red.prototype.imod = function imod (a) { + if (this.prime) return this.prime.ireduce(a)._forceRed(this); + return a.umod(this.m)._forceRed(this); + }; + + Red.prototype.neg = function neg (a) { + if (a.isZero()) { + return a.clone(); + } + + return this.m.sub(a)._forceRed(this); + }; + + Red.prototype.add = function add (a, b) { + this._verify2(a, b); + + var res = a.add(b); + if (res.cmp(this.m) >= 0) { + res.isub(this.m); + } + return res._forceRed(this); + }; + + Red.prototype.iadd = function iadd (a, b) { + this._verify2(a, b); + + var res = a.iadd(b); + if (res.cmp(this.m) >= 0) { + res.isub(this.m); + } + return res; + }; + + Red.prototype.sub = function sub (a, b) { + this._verify2(a, b); + + var res = a.sub(b); + if (res.cmpn(0) < 0) { + res.iadd(this.m); + } + return res._forceRed(this); + }; + + Red.prototype.isub = function isub (a, b) { + this._verify2(a, b); + + var res = a.isub(b); + if (res.cmpn(0) < 0) { + res.iadd(this.m); + } + return res; + }; + + Red.prototype.shl = function shl (a, num) { + this._verify1(a); + return this.imod(a.ushln(num)); + }; + + Red.prototype.imul = function imul (a, b) { + this._verify2(a, b); + return this.imod(a.imul(b)); + }; + + Red.prototype.mul = function mul (a, b) { + this._verify2(a, b); + return this.imod(a.mul(b)); + }; + + Red.prototype.isqr = function isqr (a) { + return this.imul(a, a.clone()); + }; + + Red.prototype.sqr = function sqr (a) { + return this.mul(a, a); + }; + + Red.prototype.sqrt = function sqrt (a) { + if (a.isZero()) return a.clone(); + + var mod3 = this.m.andln(3); + assert(mod3 % 2 === 1); + + // Fast case + if (mod3 === 3) { + var pow = this.m.add(new BN(1)).iushrn(2); + return this.pow(a, pow); + } + + // Tonelli-Shanks algorithm (Totally unoptimized and slow) + // + // Find Q and S, that Q * 2 ^ S = (P - 1) + var q = this.m.subn(1); + var s = 0; + while (!q.isZero() && q.andln(1) === 0) { + s++; + q.iushrn(1); + } + assert(!q.isZero()); + + var one = new BN(1).toRed(this); + var nOne = one.redNeg(); + + // Find quadratic non-residue + // NOTE: Max is such because of generalized Riemann hypothesis. + var lpow = this.m.subn(1).iushrn(1); + var z = this.m.bitLength(); + z = new BN(2 * z * z).toRed(this); + + while (this.pow(z, lpow).cmp(nOne) !== 0) { + z.redIAdd(nOne); + } + + var c = this.pow(z, q); + var r = this.pow(a, q.addn(1).iushrn(1)); + var t = this.pow(a, q); + var m = s; + while (t.cmp(one) !== 0) { + var tmp = t; + for (var i = 0; tmp.cmp(one) !== 0; i++) { + tmp = tmp.redSqr(); + } + assert(i < m); + var b = this.pow(c, new BN(1).iushln(m - i - 1)); + + r = r.redMul(b); + c = b.redSqr(); + t = t.redMul(c); + m = i; + } + + return r; + }; + + Red.prototype.invm = function invm (a) { + var inv = a._invmp(this.m); + if (inv.negative !== 0) { + inv.negative = 0; + return this.imod(inv).redNeg(); + } else { + return this.imod(inv); + } + }; + + Red.prototype.pow = function pow (a, num) { + if (num.isZero()) return new BN(1).toRed(this); + if (num.cmpn(1) === 0) return a.clone(); + + var windowSize = 4; + var wnd = new Array(1 << windowSize); + wnd[0] = new BN(1).toRed(this); + wnd[1] = a; + for (var i = 2; i < wnd.length; i++) { + wnd[i] = this.mul(wnd[i - 1], a); + } + + var res = wnd[0]; + var current = 0; + var currentLen = 0; + var start = num.bitLength() % 26; + if (start === 0) { + start = 26; + } + + for (i = num.length - 1; i >= 0; i--) { + var word = num.words[i]; + for (var j = start - 1; j >= 0; j--) { + var bit = (word >> j) & 1; + if (res !== wnd[0]) { + res = this.sqr(res); + } + + if (bit === 0 && current === 0) { + currentLen = 0; + continue; + } + + current <<= 1; + current |= bit; + currentLen++; + if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue; + + res = this.mul(res, wnd[current]); + currentLen = 0; + current = 0; + } + start = 26; + } + + return res; + }; + + Red.prototype.convertTo = function convertTo (num) { + var r = num.umod(this.m); + + return r === num ? r.clone() : r; + }; + + Red.prototype.convertFrom = function convertFrom (num) { + var res = num.clone(); + res.red = null; + return res; + }; + + // + // Montgomery method engine + // + + BN.mont = function mont (num) { + return new Mont(num); + }; + + function Mont (m) { + Red.call(this, m); + + this.shift = this.m.bitLength(); + if (this.shift % 26 !== 0) { + this.shift += 26 - (this.shift % 26); + } + + this.r = new BN(1).iushln(this.shift); + this.r2 = this.imod(this.r.sqr()); + this.rinv = this.r._invmp(this.m); + + this.minv = this.rinv.mul(this.r).isubn(1).div(this.m); + this.minv = this.minv.umod(this.r); + this.minv = this.r.sub(this.minv); + } + inherits(Mont, Red); + + Mont.prototype.convertTo = function convertTo (num) { + return this.imod(num.ushln(this.shift)); + }; + + Mont.prototype.convertFrom = function convertFrom (num) { + var r = this.imod(num.mul(this.rinv)); + r.red = null; + return r; + }; + + Mont.prototype.imul = function imul (a, b) { + if (a.isZero() || b.isZero()) { + a.words[0] = 0; + a.length = 1; + return a; + } + + var t = a.imul(b); + var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m); + var u = t.isub(c).iushrn(this.shift); + var res = u; + + if (u.cmp(this.m) >= 0) { + res = u.isub(this.m); + } else if (u.cmpn(0) < 0) { + res = u.iadd(this.m); + } + + return res._forceRed(this); + }; + + Mont.prototype.mul = function mul (a, b) { + if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this); + + var t = a.mul(b); + var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m); + var u = t.isub(c).iushrn(this.shift); + var res = u; + if (u.cmp(this.m) >= 0) { + res = u.isub(this.m); + } else if (u.cmpn(0) < 0) { + res = u.iadd(this.m); + } + + return res._forceRed(this); + }; + + Mont.prototype.invm = function invm (a) { + // (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R + var res = this.imod(a._invmp(this.m).mul(this.r2)); + return res._forceRed(this); + }; +})(module, commonjsGlobal); +}); + +var r; + +var brorand = function rand(len) { + if (!r) + r = new Rand(null); + + return r.generate(len); +}; + +function Rand(rand) { + this.rand = rand; +} +var Rand_1 = Rand; + +Rand.prototype.generate = function generate(len) { + return this._rand(len); +}; + +// Emulate crypto API using randy +Rand.prototype._rand = function _rand(n) { + if (this.rand.getBytes) + return this.rand.getBytes(n); + + var res = new Uint8Array(n); + for (var i = 0; i < res.length; i++) + res[i] = this.rand.getByte(); + return res; +}; + +if (typeof self === 'object') { + if (self.crypto && self.crypto.getRandomValues) { + // Modern browsers + Rand.prototype._rand = function _rand(n) { + var arr = new Uint8Array(n); + self.crypto.getRandomValues(arr); + return arr; + }; + } else if (self.msCrypto && self.msCrypto.getRandomValues) { + // IE + Rand.prototype._rand = function _rand(n) { + var arr = new Uint8Array(n); + self.msCrypto.getRandomValues(arr); + return arr; + }; + + // Safari's WebWorkers do not have `crypto` + } else if (typeof window === 'object') { + // Old junk + Rand.prototype._rand = function() { + throw new Error('Not implemented yet'); + }; + } +} else { + // Node.js or Web worker with no crypto support + try { + var crypto = crypto$1; + if (typeof crypto.randomBytes !== 'function') + throw new Error('Not supported'); + + Rand.prototype._rand = function _rand(n) { + return crypto.randomBytes(n); + }; + } catch (e) { + } +} +brorand.Rand = Rand_1; + +function MillerRabin(rand) { + this.rand = rand || new brorand.Rand(); +} +var mr = MillerRabin; + +MillerRabin.create = function create(rand) { + return new MillerRabin(rand); +}; + +MillerRabin.prototype._randbelow = function _randbelow(n) { + var len = n.bitLength(); + var min_bytes = Math.ceil(len / 8); + + // Generage random bytes until a number less than n is found. + // This ensures that 0..n-1 have an equal probability of being selected. + do + var a = new bn(this.rand.generate(min_bytes)); + while (a.cmp(n) >= 0); + + return a; +}; + +MillerRabin.prototype._randrange = function _randrange(start, stop) { + // Generate a random number greater than or equal to start and less than stop. + var size = stop.sub(start); + return start.add(this._randbelow(size)); +}; + +MillerRabin.prototype.test = function test(n, k, cb) { + var len = n.bitLength(); + var red = bn.mont(n); + var rone = new bn(1).toRed(red); + + if (!k) + k = Math.max(1, (len / 48) | 0); + + // Find d and s, (n - 1) = (2 ^ s) * d; + var n1 = n.subn(1); + for (var s = 0; !n1.testn(s); s++) {} + var d = n.shrn(s); + + var rn1 = n1.toRed(red); + + var prime = true; + for (; k > 0; k--) { + var a = this._randrange(new bn(2), n1); + if (cb) + cb(a); + + var x = a.toRed(red).redPow(d); + if (x.cmp(rone) === 0 || x.cmp(rn1) === 0) + continue; + + for (var i = 1; i < s; i++) { + x = x.redSqr(); + + if (x.cmp(rone) === 0) + return false; + if (x.cmp(rn1) === 0) + break; + } + + if (i === s) + return false; + } + + return prime; +}; + +MillerRabin.prototype.getDivisor = function getDivisor(n, k) { + var len = n.bitLength(); + var red = bn.mont(n); + var rone = new bn(1).toRed(red); + + if (!k) + k = Math.max(1, (len / 48) | 0); + + // Find d and s, (n - 1) = (2 ^ s) * d; + var n1 = n.subn(1); + for (var s = 0; !n1.testn(s); s++) {} + var d = n.shrn(s); + + var rn1 = n1.toRed(red); + + for (; k > 0; k--) { + var a = this._randrange(new bn(2), n1); + + var g = n.gcd(a); + if (g.cmpn(1) !== 0) + return g; + + var x = a.toRed(red).redPow(d); + if (x.cmp(rone) === 0 || x.cmp(rn1) === 0) + continue; + + for (var i = 1; i < s; i++) { + x = x.redSqr(); + + if (x.cmp(rone) === 0) + return x.fromRed().subn(1).gcd(n); + if (x.cmp(rn1) === 0) + break; + } + + if (i === s) { + x = x.redSqr(); + return x.fromRed().subn(1).gcd(n); + } + } + + return false; +}; + +var generatePrime = findPrime; +findPrime.simpleSieve = simpleSieve; +findPrime.fermatTest = fermatTest; + +var TWENTYFOUR = new bn(24); + +var millerRabin = new mr(); +var ONE = new bn(1); +var TWO = new bn(2); +var FIVE = new bn(5); +var SIXTEEN = new bn(16); +var EIGHT = new bn(8); +var TEN = new bn(10); +var THREE = new bn(3); +var SEVEN = new bn(7); +var ELEVEN = new bn(11); +var FOUR = new bn(4); +var TWELVE = new bn(12); +var primes = null; + +function _getPrimes() { + if (primes !== null) + return primes; + + var limit = 0x100000; + var res = []; + res[0] = 2; + for (var i = 1, k = 3; k < limit; k += 2) { + var sqrt = Math.ceil(Math.sqrt(k)); + for (var j = 0; j < i && res[j] <= sqrt; j++) + if (k % res[j] === 0) + break; + + if (i !== j && res[j] <= sqrt) + continue; + + res[i++] = k; + } + primes = res; + return res; +} + +function simpleSieve(p) { + var primes = _getPrimes(); + + for (var i = 0; i < primes.length; i++) + if (p.modn(primes[i]) === 0) { + if (p.cmpn(primes[i]) === 0) { + return true; + } else { + return false; + } + } + + return true; +} + +function fermatTest(p) { + var red = bn.mont(p); + return TWO.toRed(red).redPow(p.subn(1)).fromRed().cmpn(1) === 0; +} + +function findPrime(bits, gen) { + if (bits < 16) { + // this is what openssl does + if (gen === 2 || gen === 5) { + return new bn([0x8c, 0x7b]); + } else { + return new bn([0x8c, 0x27]); + } + } + gen = new bn(gen); + + var num, n2; + + while (true) { + num = new bn(browser(Math.ceil(bits / 8))); + while (num.bitLength() > bits) { + num.ishrn(1); + } + if (num.isEven()) { + num.iadd(ONE); + } + if (!num.testn(1)) { + num.iadd(TWO); + } + if (!gen.cmp(TWO)) { + while (num.mod(TWENTYFOUR).cmp(ELEVEN)) { + num.iadd(FOUR); + } + } else if (!gen.cmp(FIVE)) { + while (num.mod(TEN).cmp(THREE)) { + num.iadd(FOUR); + } + } + n2 = num.shrn(1); + if (simpleSieve(n2) && simpleSieve(num) && + fermatTest(n2) && fermatTest(num) && + millerRabin.test(n2) && millerRabin.test(num)) { + return num; + } + } + +} + +var modp1 = { + gen: "02", + prime: "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a3620ffffffffffffffff" +}; +var modp2 = { + gen: "02", + prime: "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece65381ffffffffffffffff" +}; +var modp5 = { + gen: "02", + prime: "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca237327ffffffffffffffff" +}; +var modp14 = { + gen: "02", + prime: "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" +}; +var modp15 = { + gen: "02", + prime: "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" +}; +var modp16 = { + gen: "02", + prime: "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" +}; +var modp17 = { + gen: "02", + prime: "ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca18217c32905e462e36ce3be39e772c180e86039b2783a2ec07a28fb5c55df06f4c52c9de2bcbf6955817183995497cea956ae515d2261898fa051015728e5a8aaac42dad33170d04507a33a85521abdf1cba64ecfb850458dbef0a8aea71575d060c7db3970f85a6e1e4c7abf5ae8cdb0933d71e8c94e04a25619dcee3d2261ad2ee6bf12ffa06d98a0864d87602733ec86a64521f2b18177b200cbbe117577a615d6c770988c0bad946e208e24fa074e5ab3143db5bfce0fd108e4b82d120a92108011a723c12a787e6d788719a10bdba5b2699c327186af4e23c1a946834b6150bda2583e9ca2ad44ce8dbbbc2db04de8ef92e8efc141fbecaa6287c59474e6bc05d99b2964fa090c3a2233ba186515be7ed1f612970cee2d7afb81bdd762170481cd0069127d5b05aa993b4ea988d8fddc186ffb7dc90a6c08f4df435c93402849236c3fab4d27c7026c1d4dcb2602646dec9751e763dba37bdf8ff9406ad9e530ee5db382f413001aeb06a53ed9027d831179727b0865a8918da3edbebcf9b14ed44ce6cbaced4bb1bdb7f1447e6cc254b332051512bd7af426fb8f401378cd2bf5983ca01c64b92ecf032ea15d1721d03f482d7ce6e74fef6d55e702f46980c82b5a84031900b1c9e59e7c97fbec7e8f323a97a7e36cc88be0f1d45b7ff585ac54bd407b22b4154aacc8f6d7ebf48e1d814cc5ed20f8037e0a79715eef29be32806a1d58bb7c5da76f550aa3d8a1fbff0eb19ccb1a313d55cda56c9ec2ef29632387fe8d76e3c0468043e8f663f4860ee12bf2d5b0b7474d6e694f91e6dcc4024ffffffffffffffff" +}; +var modp18 = { + gen: "02", + prime: "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" +}; +var primes$1 = { + modp1: modp1, + modp2: modp2, + modp5: modp5, + modp14: modp14, + modp15: modp15, + modp16: modp16, + modp17: modp17, + modp18: modp18 +}; + +var primes$2 = /*#__PURE__*/Object.freeze({ + modp1: modp1, + modp2: modp2, + modp5: modp5, + modp14: modp14, + modp15: modp15, + modp16: modp16, + modp17: modp17, + modp18: modp18, + 'default': primes$1 +}); + +var millerRabin$1 = new mr(); +var TWENTYFOUR$1 = new bn(24); +var ELEVEN$1 = new bn(11); +var TEN$1 = new bn(10); +var THREE$1 = new bn(3); +var SEVEN$1 = new bn(7); + + +var dh = DH; + +function setPublicKey(pub, enc) { + enc = enc || 'utf8'; + if (!Buffer.isBuffer(pub)) { + pub = new Buffer(pub, enc); + } + this._pub = new bn(pub); + return this; +} + +function setPrivateKey(priv, enc) { + enc = enc || 'utf8'; + if (!Buffer.isBuffer(priv)) { + priv = new Buffer(priv, enc); + } + this._priv = new bn(priv); + return this; +} + +var primeCache = {}; +function checkPrime(prime, generator) { + var gen = generator.toString('hex'); + var hex = [gen, prime.toString(16)].join('_'); + if (hex in primeCache) { + return primeCache[hex]; + } + var error = 0; + + if (prime.isEven() || + !generatePrime.simpleSieve || + !generatePrime.fermatTest(prime) || + !millerRabin$1.test(prime)) { + //not a prime so +1 + error += 1; + + if (gen === '02' || gen === '05') { + // we'd be able to check the generator + // it would fail so +8 + error += 8; + } else { + //we wouldn't be able to test the generator + // so +4 + error += 4; + } + primeCache[hex] = error; + return error; + } + if (!millerRabin$1.test(prime.shrn(1))) { + //not a safe prime + error += 2; + } + var rem; + switch (gen) { + case '02': + if (prime.mod(TWENTYFOUR$1).cmp(ELEVEN$1)) { + // unsuidable generator + error += 8; + } + break; + case '05': + rem = prime.mod(TEN$1); + if (rem.cmp(THREE$1) && rem.cmp(SEVEN$1)) { + // prime mod 10 needs to equal 3 or 7 + error += 8; + } + break; + default: + error += 4; + } + primeCache[hex] = error; + return error; +} + +function DH(prime, generator, malleable) { + this.setGenerator(generator); + this.__prime = new bn(prime); + this._prime = bn.mont(this.__prime); + this._primeLen = prime.length; + this._pub = undefined; + this._priv = undefined; + this._primeCode = undefined; + if (malleable) { + this.setPublicKey = setPublicKey; + this.setPrivateKey = setPrivateKey; + } else { + this._primeCode = 8; + } +} +Object.defineProperty(DH.prototype, 'verifyError', { + enumerable: true, + get: function () { + if (typeof this._primeCode !== 'number') { + this._primeCode = checkPrime(this.__prime, this.__gen); + } + return this._primeCode; + } +}); +DH.prototype.generateKeys = function () { + if (!this._priv) { + this._priv = new bn(browser(this._primeLen)); + } + this._pub = this._gen.toRed(this._prime).redPow(this._priv).fromRed(); + return this.getPublicKey(); +}; + +DH.prototype.computeSecret = function (other) { + other = new bn(other); + other = other.toRed(this._prime); + var secret = other.redPow(this._priv).fromRed(); + var out = new Buffer(secret.toArray()); + var prime = this.getPrime(); + if (out.length < prime.length) { + var front = new Buffer(prime.length - out.length); + front.fill(0); + out = Buffer.concat([front, out]); + } + return out; +}; + +DH.prototype.getPublicKey = function getPublicKey(enc) { + return formatReturnValue(this._pub, enc); +}; + +DH.prototype.getPrivateKey = function getPrivateKey(enc) { + return formatReturnValue(this._priv, enc); +}; + +DH.prototype.getPrime = function (enc) { + return formatReturnValue(this.__prime, enc); +}; + +DH.prototype.getGenerator = function (enc) { + return formatReturnValue(this._gen, enc); +}; + +DH.prototype.setGenerator = function (gen, enc) { + enc = enc || 'utf8'; + if (!Buffer.isBuffer(gen)) { + gen = new Buffer(gen, enc); + } + this.__gen = gen; + this._gen = new bn(gen); + return this; +}; + +function formatReturnValue(bn, enc) { + var buf = new Buffer(bn.toArray()); + if (!enc) { + return buf; + } else { + return buf.toString(enc); + } +} + +var primes$3 = getCjsExportFromNamespace(primes$2); + +var browser$6 = createCommonjsModule(function (module, exports) { +function getDiffieHellman (mod) { + var prime = new Buffer(primes$3[mod].prime, 'hex'); + var gen = new Buffer(primes$3[mod].gen, 'hex'); + + return new dh(prime, gen) +} + +var ENCODINGS = { + 'binary': true, 'hex': true, 'base64': true +}; + +function createDiffieHellman (prime, enc, generator, genc) { + if (Buffer.isBuffer(enc) || ENCODINGS[enc] === undefined) { + return createDiffieHellman(prime, 'binary', enc, generator) + } + + enc = enc || 'binary'; + genc = genc || 'binary'; + generator = generator || new Buffer([2]); + + if (!Buffer.isBuffer(generator)) { + generator = new Buffer(generator, genc); + } + + if (typeof prime === 'number') { + return new dh(generatePrime(prime, generator), generator, true) + } + + if (!Buffer.isBuffer(prime)) { + prime = new Buffer(prime, enc); + } + + return new dh(prime, generator, true) +} + +exports.DiffieHellmanGroup = exports.createDiffieHellmanGroup = exports.getDiffieHellman = getDiffieHellman; +exports.createDiffieHellman = exports.DiffieHellman = createDiffieHellman; +}); +var browser_1$2 = browser$6.DiffieHellmanGroup; +var browser_2$2 = browser$6.createDiffieHellmanGroup; +var browser_3$2 = browser$6.getDiffieHellman; +var browser_4$2 = browser$6.createDiffieHellman; +var browser_5$2 = browser$6.DiffieHellman; + +var browserifyRsa = crt; +function blind(priv) { + var r = getr(priv); + var blinder = r.toRed(bn.mont(priv.modulus)) + .redPow(new bn(priv.publicExponent)).fromRed(); + return { + blinder: blinder, + unblinder:r.invm(priv.modulus) + }; +} +function crt(msg, priv) { + var blinds = blind(priv); + var len = priv.modulus.byteLength(); + var mod = bn.mont(priv.modulus); + var blinded = new bn(msg).mul(blinds.blinder).umod(priv.modulus); + var c1 = blinded.toRed(bn.mont(priv.prime1)); + var c2 = blinded.toRed(bn.mont(priv.prime2)); + var qinv = priv.coefficient; + var p = priv.prime1; + var q = priv.prime2; + var m1 = c1.redPow(priv.exponent1); + var m2 = c2.redPow(priv.exponent2); + m1 = m1.fromRed(); + m2 = m2.fromRed(); + var h = m1.isub(m2).imul(qinv).umod(p); + h.imul(q); + m2.iadd(h); + return new Buffer(m2.imul(blinds.unblinder).umod(priv.modulus).toArray(false, len)); +} +crt.getr = getr; +function getr(priv) { + var len = priv.modulus.byteLength(); + var r = new bn(browser(len)); + while (r.cmp(priv.modulus) >= 0 || !r.umod(priv.prime1) || !r.umod(priv.prime2)) { + r = new bn(browser(len)); + } + return r; +} + +var name = "elliptic"; +var version = "6.4.1"; +var description = "EC cryptography"; +var main = "lib/elliptic.js"; +var files = [ + "lib" +]; +var scripts = { + jscs: "jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js", + jshint: "jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js", + lint: "npm run jscs && npm run jshint", + unit: "istanbul test _mocha --reporter=spec test/index.js", + test: "npm run lint && npm run unit", + version: "grunt dist && git add dist/" +}; +var repository = { + type: "git", + url: "git@github.com:indutny/elliptic" +}; +var keywords = [ + "EC", + "Elliptic", + "curve", + "Cryptography" +]; +var author = "Fedor Indutny <fedor@indutny.com>"; +var license = "MIT"; +var bugs = { + url: "https://github.com/indutny/elliptic/issues" +}; +var homepage = "https://github.com/indutny/elliptic"; +var devDependencies = { + brfs: "^1.4.3", + coveralls: "^2.11.3", + grunt: "^0.4.5", + "grunt-browserify": "^5.0.0", + "grunt-cli": "^1.2.0", + "grunt-contrib-connect": "^1.0.0", + "grunt-contrib-copy": "^1.0.0", + "grunt-contrib-uglify": "^1.0.1", + "grunt-mocha-istanbul": "^3.0.1", + "grunt-saucelabs": "^8.6.2", + istanbul: "^0.4.2", + jscs: "^2.9.0", + jshint: "^2.6.0", + mocha: "^2.1.0" +}; +var dependencies = { + "bn.js": "^4.4.0", + brorand: "^1.0.1", + "hash.js": "^1.0.0", + "hmac-drbg": "^1.0.0", + inherits: "^2.0.1", + "minimalistic-assert": "^1.0.0", + "minimalistic-crypto-utils": "^1.0.0" +}; +var _resolved = "https://registry.npmjs.org/elliptic/-/elliptic-6.4.1.tgz"; +var _integrity = "sha512-BsXLz5sqX8OHcsh7CqBMztyXARmGQ3LWPtGjJi6DiJHq5C/qvi9P3OqgswKSDftbu8+IoI/QDTAm2fFnQ9SZSQ=="; +var _from = "elliptic@6.4.1"; +var _package = { + name: name, + version: version, + description: description, + main: main, + files: files, + scripts: scripts, + repository: repository, + keywords: keywords, + author: author, + license: license, + bugs: bugs, + homepage: homepage, + devDependencies: devDependencies, + dependencies: dependencies, + _resolved: _resolved, + _integrity: _integrity, + _from: _from +}; + +var _package$1 = /*#__PURE__*/Object.freeze({ + name: name, + version: version, + description: description, + main: main, + files: files, + scripts: scripts, + repository: repository, + keywords: keywords, + author: author, + license: license, + bugs: bugs, + homepage: homepage, + devDependencies: devDependencies, + dependencies: dependencies, + _resolved: _resolved, + _integrity: _integrity, + _from: _from, + 'default': _package +}); + +var utils_1 = createCommonjsModule(function (module, exports) { + +var utils = exports; + +function toArray(msg, enc) { + if (Array.isArray(msg)) + return msg.slice(); + if (!msg) + return []; + var res = []; + if (typeof msg !== 'string') { + for (var i = 0; i < msg.length; i++) + res[i] = msg[i] | 0; + return res; + } + if (enc === 'hex') { + msg = msg.replace(/[^a-z0-9]+/ig, ''); + if (msg.length % 2 !== 0) + msg = '0' + msg; + for (var i = 0; i < msg.length; i += 2) + res.push(parseInt(msg[i] + msg[i + 1], 16)); + } else { + for (var i = 0; i < msg.length; i++) { + var c = msg.charCodeAt(i); + var hi = c >> 8; + var lo = c & 0xff; + if (hi) + res.push(hi, lo); + else + res.push(lo); + } + } + return res; +} +utils.toArray = toArray; + +function zero2(word) { + if (word.length === 1) + return '0' + word; + else + return word; +} +utils.zero2 = zero2; + +function toHex(msg) { + var res = ''; + for (var i = 0; i < msg.length; i++) + res += zero2(msg[i].toString(16)); + return res; +} +utils.toHex = toHex; + +utils.encode = function encode(arr, enc) { + if (enc === 'hex') + return toHex(arr); + else + return arr; +}; +}); + +var utils_1$1 = createCommonjsModule(function (module, exports) { + +var utils = exports; + + + + +utils.assert = minimalisticAssert; +utils.toArray = utils_1.toArray; +utils.zero2 = utils_1.zero2; +utils.toHex = utils_1.toHex; +utils.encode = utils_1.encode; + +// Represent num in a w-NAF form +function getNAF(num, w) { + var naf = []; + var ws = 1 << (w + 1); + var k = num.clone(); + while (k.cmpn(1) >= 0) { + var z; + if (k.isOdd()) { + var mod = k.andln(ws - 1); + if (mod > (ws >> 1) - 1) + z = (ws >> 1) - mod; + else + z = mod; + k.isubn(z); + } else { + z = 0; + } + naf.push(z); + + // Optimization, shift by word if possible + var shift = (k.cmpn(0) !== 0 && k.andln(ws - 1) === 0) ? (w + 1) : 1; + for (var i = 1; i < shift; i++) + naf.push(0); + k.iushrn(shift); + } + + return naf; +} +utils.getNAF = getNAF; + +// Represent k1, k2 in a Joint Sparse Form +function getJSF(k1, k2) { + var jsf = [ + [], + [] + ]; + + k1 = k1.clone(); + k2 = k2.clone(); + var d1 = 0; + var d2 = 0; + while (k1.cmpn(-d1) > 0 || k2.cmpn(-d2) > 0) { + + // First phase + var m14 = (k1.andln(3) + d1) & 3; + var m24 = (k2.andln(3) + d2) & 3; + if (m14 === 3) + m14 = -1; + if (m24 === 3) + m24 = -1; + var u1; + if ((m14 & 1) === 0) { + u1 = 0; + } else { + var m8 = (k1.andln(7) + d1) & 7; + if ((m8 === 3 || m8 === 5) && m24 === 2) + u1 = -m14; + else + u1 = m14; + } + jsf[0].push(u1); + + var u2; + if ((m24 & 1) === 0) { + u2 = 0; + } else { + var m8 = (k2.andln(7) + d2) & 7; + if ((m8 === 3 || m8 === 5) && m14 === 2) + u2 = -m24; + else + u2 = m24; + } + jsf[1].push(u2); + + // Second phase + if (2 * d1 === u1 + 1) + d1 = 1 - d1; + if (2 * d2 === u2 + 1) + d2 = 1 - d2; + k1.iushrn(1); + k2.iushrn(1); + } + + return jsf; +} +utils.getJSF = getJSF; + +function cachedProperty(obj, name, computer) { + var key = '_' + name; + obj.prototype[name] = function cachedProperty() { + return this[key] !== undefined ? this[key] : + this[key] = computer.call(this); + }; +} +utils.cachedProperty = cachedProperty; + +function parseBytes(bytes) { + return typeof bytes === 'string' ? utils.toArray(bytes, 'hex') : + bytes; +} +utils.parseBytes = parseBytes; + +function intFromLE(bytes) { + return new bn(bytes, 'hex', 'le'); +} +utils.intFromLE = intFromLE; +}); + +var utils$3 = elliptic_1.utils; +var getNAF = utils$3.getNAF; +var getJSF = utils$3.getJSF; +var assert$1 = utils$3.assert; + +function BaseCurve(type, conf) { + this.type = type; + this.p = new bn(conf.p, 16); + + // Use Montgomery, when there is no fast reduction for the prime + this.red = conf.prime ? bn.red(conf.prime) : bn.mont(this.p); + + // Useful for many curves + this.zero = new bn(0).toRed(this.red); + this.one = new bn(1).toRed(this.red); + this.two = new bn(2).toRed(this.red); + + // Curve configuration, optional + this.n = conf.n && new bn(conf.n, 16); + this.g = conf.g && this.pointFromJSON(conf.g, conf.gRed); + + // Temporary arrays + this._wnafT1 = new Array(4); + this._wnafT2 = new Array(4); + this._wnafT3 = new Array(4); + this._wnafT4 = new Array(4); + + // Generalized Greg Maxwell's trick + var adjustCount = this.n && this.p.div(this.n); + if (!adjustCount || adjustCount.cmpn(100) > 0) { + this.redN = null; + } else { + this._maxwellTrick = true; + this.redN = this.n.toRed(this.red); + } +} +var base = BaseCurve; + +BaseCurve.prototype.point = function point() { + throw new Error('Not implemented'); +}; + +BaseCurve.prototype.validate = function validate() { + throw new Error('Not implemented'); +}; + +BaseCurve.prototype._fixedNafMul = function _fixedNafMul(p, k) { + assert$1(p.precomputed); + var doubles = p._getDoubles(); + + var naf = getNAF(k, 1); + var I = (1 << (doubles.step + 1)) - (doubles.step % 2 === 0 ? 2 : 1); + I /= 3; + + // Translate into more windowed form + var repr = []; + for (var j = 0; j < naf.length; j += doubles.step) { + var nafW = 0; + for (var k = j + doubles.step - 1; k >= j; k--) + nafW = (nafW << 1) + naf[k]; + repr.push(nafW); + } + + var a = this.jpoint(null, null, null); + var b = this.jpoint(null, null, null); + for (var i = I; i > 0; i--) { + for (var j = 0; j < repr.length; j++) { + var nafW = repr[j]; + if (nafW === i) + b = b.mixedAdd(doubles.points[j]); + else if (nafW === -i) + b = b.mixedAdd(doubles.points[j].neg()); + } + a = a.add(b); + } + return a.toP(); +}; + +BaseCurve.prototype._wnafMul = function _wnafMul(p, k) { + var w = 4; + + // Precompute window + var nafPoints = p._getNAFPoints(w); + w = nafPoints.wnd; + var wnd = nafPoints.points; + + // Get NAF form + var naf = getNAF(k, w); + + // Add `this`*(N+1) for every w-NAF index + var acc = this.jpoint(null, null, null); + for (var i = naf.length - 1; i >= 0; i--) { + // Count zeroes + for (var k = 0; i >= 0 && naf[i] === 0; i--) + k++; + if (i >= 0) + k++; + acc = acc.dblp(k); + + if (i < 0) + break; + var z = naf[i]; + assert$1(z !== 0); + if (p.type === 'affine') { + // J +- P + if (z > 0) + acc = acc.mixedAdd(wnd[(z - 1) >> 1]); + else + acc = acc.mixedAdd(wnd[(-z - 1) >> 1].neg()); + } else { + // J +- J + if (z > 0) + acc = acc.add(wnd[(z - 1) >> 1]); + else + acc = acc.add(wnd[(-z - 1) >> 1].neg()); + } + } + return p.type === 'affine' ? acc.toP() : acc; +}; + +BaseCurve.prototype._wnafMulAdd = function _wnafMulAdd(defW, + points, + coeffs, + len, + jacobianResult) { + var wndWidth = this._wnafT1; + var wnd = this._wnafT2; + var naf = this._wnafT3; + + // Fill all arrays + var max = 0; + for (var i = 0; i < len; i++) { + var p = points[i]; + var nafPoints = p._getNAFPoints(defW); + wndWidth[i] = nafPoints.wnd; + wnd[i] = nafPoints.points; + } + + // Comb small window NAFs + for (var i = len - 1; i >= 1; i -= 2) { + var a = i - 1; + var b = i; + if (wndWidth[a] !== 1 || wndWidth[b] !== 1) { + naf[a] = getNAF(coeffs[a], wndWidth[a]); + naf[b] = getNAF(coeffs[b], wndWidth[b]); + max = Math.max(naf[a].length, max); + max = Math.max(naf[b].length, max); + continue; + } + + var comb = [ + points[a], /* 1 */ + null, /* 3 */ + null, /* 5 */ + points[b] /* 7 */ + ]; + + // Try to avoid Projective points, if possible + if (points[a].y.cmp(points[b].y) === 0) { + comb[1] = points[a].add(points[b]); + comb[2] = points[a].toJ().mixedAdd(points[b].neg()); + } else if (points[a].y.cmp(points[b].y.redNeg()) === 0) { + comb[1] = points[a].toJ().mixedAdd(points[b]); + comb[2] = points[a].add(points[b].neg()); + } else { + comb[1] = points[a].toJ().mixedAdd(points[b]); + comb[2] = points[a].toJ().mixedAdd(points[b].neg()); + } + + var index = [ + -3, /* -1 -1 */ + -1, /* -1 0 */ + -5, /* -1 1 */ + -7, /* 0 -1 */ + 0, /* 0 0 */ + 7, /* 0 1 */ + 5, /* 1 -1 */ + 1, /* 1 0 */ + 3 /* 1 1 */ + ]; + + var jsf = getJSF(coeffs[a], coeffs[b]); + max = Math.max(jsf[0].length, max); + naf[a] = new Array(max); + naf[b] = new Array(max); + for (var j = 0; j < max; j++) { + var ja = jsf[0][j] | 0; + var jb = jsf[1][j] | 0; + + naf[a][j] = index[(ja + 1) * 3 + (jb + 1)]; + naf[b][j] = 0; + wnd[a] = comb; + } + } + + var acc = this.jpoint(null, null, null); + var tmp = this._wnafT4; + for (var i = max; i >= 0; i--) { + var k = 0; + + while (i >= 0) { + var zero = true; + for (var j = 0; j < len; j++) { + tmp[j] = naf[j][i] | 0; + if (tmp[j] !== 0) + zero = false; + } + if (!zero) + break; + k++; + i--; + } + if (i >= 0) + k++; + acc = acc.dblp(k); + if (i < 0) + break; + + for (var j = 0; j < len; j++) { + var z = tmp[j]; + var p; + if (z === 0) + continue; + else if (z > 0) + p = wnd[j][(z - 1) >> 1]; + else if (z < 0) + p = wnd[j][(-z - 1) >> 1].neg(); + + if (p.type === 'affine') + acc = acc.mixedAdd(p); + else + acc = acc.add(p); + } + } + // Zeroify references + for (var i = 0; i < len; i++) + wnd[i] = null; + + if (jacobianResult) + return acc; + else + return acc.toP(); +}; + +function BasePoint(curve, type) { + this.curve = curve; + this.type = type; + this.precomputed = null; +} +BaseCurve.BasePoint = BasePoint; + +BasePoint.prototype.eq = function eq(/*other*/) { + throw new Error('Not implemented'); +}; + +BasePoint.prototype.validate = function validate() { + return this.curve.validate(this); +}; + +BaseCurve.prototype.decodePoint = function decodePoint(bytes, enc) { + bytes = utils$3.toArray(bytes, enc); + + var len = this.p.byteLength(); + + // uncompressed, hybrid-odd, hybrid-even + if ((bytes[0] === 0x04 || bytes[0] === 0x06 || bytes[0] === 0x07) && + bytes.length - 1 === 2 * len) { + if (bytes[0] === 0x06) + assert$1(bytes[bytes.length - 1] % 2 === 0); + else if (bytes[0] === 0x07) + assert$1(bytes[bytes.length - 1] % 2 === 1); + + var res = this.point(bytes.slice(1, 1 + len), + bytes.slice(1 + len, 1 + 2 * len)); + + return res; + } else if ((bytes[0] === 0x02 || bytes[0] === 0x03) && + bytes.length - 1 === len) { + return this.pointFromX(bytes.slice(1, 1 + len), bytes[0] === 0x03); + } + throw new Error('Unknown point format'); +}; + +BasePoint.prototype.encodeCompressed = function encodeCompressed(enc) { + return this.encode(enc, true); +}; + +BasePoint.prototype._encode = function _encode(compact) { + var len = this.curve.p.byteLength(); + var x = this.getX().toArray('be', len); + + if (compact) + return [ this.getY().isEven() ? 0x02 : 0x03 ].concat(x); + + return [ 0x04 ].concat(x, this.getY().toArray('be', len)) ; +}; + +BasePoint.prototype.encode = function encode(enc, compact) { + return utils$3.encode(this._encode(compact), enc); +}; + +BasePoint.prototype.precompute = function precompute(power) { + if (this.precomputed) + return this; + + var precomputed = { + doubles: null, + naf: null, + beta: null + }; + precomputed.naf = this._getNAFPoints(8); + precomputed.doubles = this._getDoubles(4, power); + precomputed.beta = this._getBeta(); + this.precomputed = precomputed; + + return this; +}; + +BasePoint.prototype._hasDoubles = function _hasDoubles(k) { + if (!this.precomputed) + return false; + + var doubles = this.precomputed.doubles; + if (!doubles) + return false; + + return doubles.points.length >= Math.ceil((k.bitLength() + 1) / doubles.step); +}; + +BasePoint.prototype._getDoubles = function _getDoubles(step, power) { + if (this.precomputed && this.precomputed.doubles) + return this.precomputed.doubles; + + var doubles = [ this ]; + var acc = this; + for (var i = 0; i < power; i += step) { + for (var j = 0; j < step; j++) + acc = acc.dbl(); + doubles.push(acc); + } + return { + step: step, + points: doubles + }; +}; + +BasePoint.prototype._getNAFPoints = function _getNAFPoints(wnd) { + if (this.precomputed && this.precomputed.naf) + return this.precomputed.naf; + + var res = [ this ]; + var max = (1 << wnd) - 1; + var dbl = max === 1 ? null : this.dbl(); + for (var i = 1; i < max; i++) + res[i] = res[i - 1].add(dbl); + return { + wnd: wnd, + points: res + }; +}; + +BasePoint.prototype._getBeta = function _getBeta() { + return null; +}; + +BasePoint.prototype.dblp = function dblp(k) { + var r = this; + for (var i = 0; i < k; i++) + r = r.dbl(); + return r; +}; + +var Base = curve_1.base; + +var assert$2 = elliptic_1.utils.assert; + +function ShortCurve(conf) { + Base.call(this, 'short', conf); + + this.a = new bn(conf.a, 16).toRed(this.red); + this.b = new bn(conf.b, 16).toRed(this.red); + this.tinv = this.two.redInvm(); + + this.zeroA = this.a.fromRed().cmpn(0) === 0; + this.threeA = this.a.fromRed().sub(this.p).cmpn(-3) === 0; + + // If the curve is endomorphic, precalculate beta and lambda + this.endo = this._getEndomorphism(conf); + this._endoWnafT1 = new Array(4); + this._endoWnafT2 = new Array(4); +} +inherits_browser(ShortCurve, Base); +var short_1 = ShortCurve; + +ShortCurve.prototype._getEndomorphism = function _getEndomorphism(conf) { + // No efficient endomorphism + if (!this.zeroA || !this.g || !this.n || this.p.modn(3) !== 1) + return; + + // Compute beta and lambda, that lambda * P = (beta * Px; Py) + var beta; + var lambda; + if (conf.beta) { + beta = new bn(conf.beta, 16).toRed(this.red); + } else { + var betas = this._getEndoRoots(this.p); + // Choose the smallest beta + beta = betas[0].cmp(betas[1]) < 0 ? betas[0] : betas[1]; + beta = beta.toRed(this.red); + } + if (conf.lambda) { + lambda = new bn(conf.lambda, 16); + } else { + // Choose the lambda that is matching selected beta + var lambdas = this._getEndoRoots(this.n); + if (this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta)) === 0) { + lambda = lambdas[0]; + } else { + lambda = lambdas[1]; + assert$2(this.g.mul(lambda).x.cmp(this.g.x.redMul(beta)) === 0); + } + } + + // Get basis vectors, used for balanced length-two representation + var basis; + if (conf.basis) { + basis = conf.basis.map(function(vec) { + return { + a: new bn(vec.a, 16), + b: new bn(vec.b, 16) + }; + }); + } else { + basis = this._getEndoBasis(lambda); + } + + return { + beta: beta, + lambda: lambda, + basis: basis + }; +}; + +ShortCurve.prototype._getEndoRoots = function _getEndoRoots(num) { + // Find roots of for x^2 + x + 1 in F + // Root = (-1 +- Sqrt(-3)) / 2 + // + var red = num === this.p ? this.red : bn.mont(num); + var tinv = new bn(2).toRed(red).redInvm(); + var ntinv = tinv.redNeg(); + + var s = new bn(3).toRed(red).redNeg().redSqrt().redMul(tinv); + + var l1 = ntinv.redAdd(s).fromRed(); + var l2 = ntinv.redSub(s).fromRed(); + return [ l1, l2 ]; +}; + +ShortCurve.prototype._getEndoBasis = function _getEndoBasis(lambda) { + // aprxSqrt >= sqrt(this.n) + var aprxSqrt = this.n.ushrn(Math.floor(this.n.bitLength() / 2)); + + // 3.74 + // Run EGCD, until r(L + 1) < aprxSqrt + var u = lambda; + var v = this.n.clone(); + var x1 = new bn(1); + var y1 = new bn(0); + var x2 = new bn(0); + var y2 = new bn(1); + + // NOTE: all vectors are roots of: a + b * lambda = 0 (mod n) + var a0; + var b0; + // First vector + var a1; + var b1; + // Second vector + var a2; + var b2; + + var prevR; + var i = 0; + var r; + var x; + while (u.cmpn(0) !== 0) { + var q = v.div(u); + r = v.sub(q.mul(u)); + x = x2.sub(q.mul(x1)); + var y = y2.sub(q.mul(y1)); + + if (!a1 && r.cmp(aprxSqrt) < 0) { + a0 = prevR.neg(); + b0 = x1; + a1 = r.neg(); + b1 = x; + } else if (a1 && ++i === 2) { + break; + } + prevR = r; + + v = u; + u = r; + x2 = x1; + x1 = x; + y2 = y1; + y1 = y; + } + a2 = r.neg(); + b2 = x; + + var len1 = a1.sqr().add(b1.sqr()); + var len2 = a2.sqr().add(b2.sqr()); + if (len2.cmp(len1) >= 0) { + a2 = a0; + b2 = b0; + } + + // Normalize signs + if (a1.negative) { + a1 = a1.neg(); + b1 = b1.neg(); + } + if (a2.negative) { + a2 = a2.neg(); + b2 = b2.neg(); + } + + return [ + { a: a1, b: b1 }, + { a: a2, b: b2 } + ]; +}; + +ShortCurve.prototype._endoSplit = function _endoSplit(k) { + var basis = this.endo.basis; + var v1 = basis[0]; + var v2 = basis[1]; + + var c1 = v2.b.mul(k).divRound(this.n); + var c2 = v1.b.neg().mul(k).divRound(this.n); + + var p1 = c1.mul(v1.a); + var p2 = c2.mul(v2.a); + var q1 = c1.mul(v1.b); + var q2 = c2.mul(v2.b); + + // Calculate answer + var k1 = k.sub(p1).sub(p2); + var k2 = q1.add(q2).neg(); + return { k1: k1, k2: k2 }; +}; + +ShortCurve.prototype.pointFromX = function pointFromX(x, odd) { + x = new bn(x, 16); + if (!x.red) + x = x.toRed(this.red); + + var y2 = x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b); + var y = y2.redSqrt(); + if (y.redSqr().redSub(y2).cmp(this.zero) !== 0) + throw new Error('invalid point'); + + // XXX Is there any way to tell if the number is odd without converting it + // to non-red form? + var isOdd = y.fromRed().isOdd(); + if (odd && !isOdd || !odd && isOdd) + y = y.redNeg(); + + return this.point(x, y); +}; + +ShortCurve.prototype.validate = function validate(point) { + if (point.inf) + return true; + + var x = point.x; + var y = point.y; + + var ax = this.a.redMul(x); + var rhs = x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b); + return y.redSqr().redISub(rhs).cmpn(0) === 0; +}; + +ShortCurve.prototype._endoWnafMulAdd = + function _endoWnafMulAdd(points, coeffs, jacobianResult) { + var npoints = this._endoWnafT1; + var ncoeffs = this._endoWnafT2; + for (var i = 0; i < points.length; i++) { + var split = this._endoSplit(coeffs[i]); + var p = points[i]; + var beta = p._getBeta(); + + if (split.k1.negative) { + split.k1.ineg(); + p = p.neg(true); + } + if (split.k2.negative) { + split.k2.ineg(); + beta = beta.neg(true); + } + + npoints[i * 2] = p; + npoints[i * 2 + 1] = beta; + ncoeffs[i * 2] = split.k1; + ncoeffs[i * 2 + 1] = split.k2; + } + var res = this._wnafMulAdd(1, npoints, ncoeffs, i * 2, jacobianResult); + + // Clean-up references to points and coefficients + for (var j = 0; j < i * 2; j++) { + npoints[j] = null; + ncoeffs[j] = null; + } + return res; +}; + +function Point(curve, x, y, isRed) { + Base.BasePoint.call(this, curve, 'affine'); + if (x === null && y === null) { + this.x = null; + this.y = null; + this.inf = true; + } else { + this.x = new bn(x, 16); + this.y = new bn(y, 16); + // Force redgomery representation when loading from JSON + if (isRed) { + this.x.forceRed(this.curve.red); + this.y.forceRed(this.curve.red); + } + if (!this.x.red) + this.x = this.x.toRed(this.curve.red); + if (!this.y.red) + this.y = this.y.toRed(this.curve.red); + this.inf = false; + } +} +inherits_browser(Point, Base.BasePoint); + +ShortCurve.prototype.point = function point(x, y, isRed) { + return new Point(this, x, y, isRed); +}; + +ShortCurve.prototype.pointFromJSON = function pointFromJSON(obj, red) { + return Point.fromJSON(this, obj, red); +}; + +Point.prototype._getBeta = function _getBeta() { + if (!this.curve.endo) + return; + + var pre = this.precomputed; + if (pre && pre.beta) + return pre.beta; + + var beta = this.curve.point(this.x.redMul(this.curve.endo.beta), this.y); + if (pre) { + var curve = this.curve; + var endoMul = function(p) { + return curve.point(p.x.redMul(curve.endo.beta), p.y); + }; + pre.beta = beta; + beta.precomputed = { + beta: null, + naf: pre.naf && { + wnd: pre.naf.wnd, + points: pre.naf.points.map(endoMul) + }, + doubles: pre.doubles && { + step: pre.doubles.step, + points: pre.doubles.points.map(endoMul) + } + }; + } + return beta; +}; + +Point.prototype.toJSON = function toJSON() { + if (!this.precomputed) + return [ this.x, this.y ]; + + return [ this.x, this.y, this.precomputed && { + doubles: this.precomputed.doubles && { + step: this.precomputed.doubles.step, + points: this.precomputed.doubles.points.slice(1) + }, + naf: this.precomputed.naf && { + wnd: this.precomputed.naf.wnd, + points: this.precomputed.naf.points.slice(1) + } + } ]; +}; + +Point.fromJSON = function fromJSON(curve, obj, red) { + if (typeof obj === 'string') + obj = JSON.parse(obj); + var res = curve.point(obj[0], obj[1], red); + if (!obj[2]) + return res; + + function obj2point(obj) { + return curve.point(obj[0], obj[1], red); + } + + var pre = obj[2]; + res.precomputed = { + beta: null, + doubles: pre.doubles && { + step: pre.doubles.step, + points: [ res ].concat(pre.doubles.points.map(obj2point)) + }, + naf: pre.naf && { + wnd: pre.naf.wnd, + points: [ res ].concat(pre.naf.points.map(obj2point)) + } + }; + return res; +}; + +Point.prototype.inspect = function inspect() { + if (this.isInfinity()) + return '<EC Point Infinity>'; + return '<EC Point x: ' + this.x.fromRed().toString(16, 2) + + ' y: ' + this.y.fromRed().toString(16, 2) + '>'; +}; + +Point.prototype.isInfinity = function isInfinity() { + return this.inf; +}; + +Point.prototype.add = function add(p) { + // O + P = P + if (this.inf) + return p; + + // P + O = P + if (p.inf) + return this; + + // P + P = 2P + if (this.eq(p)) + return this.dbl(); + + // P + (-P) = O + if (this.neg().eq(p)) + return this.curve.point(null, null); + + // P + Q = O + if (this.x.cmp(p.x) === 0) + return this.curve.point(null, null); + + var c = this.y.redSub(p.y); + if (c.cmpn(0) !== 0) + c = c.redMul(this.x.redSub(p.x).redInvm()); + var nx = c.redSqr().redISub(this.x).redISub(p.x); + var ny = c.redMul(this.x.redSub(nx)).redISub(this.y); + return this.curve.point(nx, ny); +}; + +Point.prototype.dbl = function dbl() { + if (this.inf) + return this; + + // 2P = O + var ys1 = this.y.redAdd(this.y); + if (ys1.cmpn(0) === 0) + return this.curve.point(null, null); + + var a = this.curve.a; + + var x2 = this.x.redSqr(); + var dyinv = ys1.redInvm(); + var c = x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv); + + var nx = c.redSqr().redISub(this.x.redAdd(this.x)); + var ny = c.redMul(this.x.redSub(nx)).redISub(this.y); + return this.curve.point(nx, ny); +}; + +Point.prototype.getX = function getX() { + return this.x.fromRed(); +}; + +Point.prototype.getY = function getY() { + return this.y.fromRed(); +}; + +Point.prototype.mul = function mul(k) { + k = new bn(k, 16); + + if (this._hasDoubles(k)) + return this.curve._fixedNafMul(this, k); + else if (this.curve.endo) + return this.curve._endoWnafMulAdd([ this ], [ k ]); + else + return this.curve._wnafMul(this, k); +}; + +Point.prototype.mulAdd = function mulAdd(k1, p2, k2) { + var points = [ this, p2 ]; + var coeffs = [ k1, k2 ]; + if (this.curve.endo) + return this.curve._endoWnafMulAdd(points, coeffs); + else + return this.curve._wnafMulAdd(1, points, coeffs, 2); +}; + +Point.prototype.jmulAdd = function jmulAdd(k1, p2, k2) { + var points = [ this, p2 ]; + var coeffs = [ k1, k2 ]; + if (this.curve.endo) + return this.curve._endoWnafMulAdd(points, coeffs, true); + else + return this.curve._wnafMulAdd(1, points, coeffs, 2, true); +}; + +Point.prototype.eq = function eq(p) { + return this === p || + this.inf === p.inf && + (this.inf || this.x.cmp(p.x) === 0 && this.y.cmp(p.y) === 0); +}; + +Point.prototype.neg = function neg(_precompute) { + if (this.inf) + return this; + + var res = this.curve.point(this.x, this.y.redNeg()); + if (_precompute && this.precomputed) { + var pre = this.precomputed; + var negate = function(p) { + return p.neg(); + }; + res.precomputed = { + naf: pre.naf && { + wnd: pre.naf.wnd, + points: pre.naf.points.map(negate) + }, + doubles: pre.doubles && { + step: pre.doubles.step, + points: pre.doubles.points.map(negate) + } + }; + } + return res; +}; + +Point.prototype.toJ = function toJ() { + if (this.inf) + return this.curve.jpoint(null, null, null); + + var res = this.curve.jpoint(this.x, this.y, this.curve.one); + return res; +}; + +function JPoint(curve, x, y, z) { + Base.BasePoint.call(this, curve, 'jacobian'); + if (x === null && y === null && z === null) { + this.x = this.curve.one; + this.y = this.curve.one; + this.z = new bn(0); + } else { + this.x = new bn(x, 16); + this.y = new bn(y, 16); + this.z = new bn(z, 16); + } + if (!this.x.red) + this.x = this.x.toRed(this.curve.red); + if (!this.y.red) + this.y = this.y.toRed(this.curve.red); + if (!this.z.red) + this.z = this.z.toRed(this.curve.red); + + this.zOne = this.z === this.curve.one; +} +inherits_browser(JPoint, Base.BasePoint); + +ShortCurve.prototype.jpoint = function jpoint(x, y, z) { + return new JPoint(this, x, y, z); +}; + +JPoint.prototype.toP = function toP() { + if (this.isInfinity()) + return this.curve.point(null, null); + + var zinv = this.z.redInvm(); + var zinv2 = zinv.redSqr(); + var ax = this.x.redMul(zinv2); + var ay = this.y.redMul(zinv2).redMul(zinv); + + return this.curve.point(ax, ay); +}; + +JPoint.prototype.neg = function neg() { + return this.curve.jpoint(this.x, this.y.redNeg(), this.z); +}; + +JPoint.prototype.add = function add(p) { + // O + P = P + if (this.isInfinity()) + return p; + + // P + O = P + if (p.isInfinity()) + return this; + + // 12M + 4S + 7A + var pz2 = p.z.redSqr(); + var z2 = this.z.redSqr(); + var u1 = this.x.redMul(pz2); + var u2 = p.x.redMul(z2); + var s1 = this.y.redMul(pz2.redMul(p.z)); + var s2 = p.y.redMul(z2.redMul(this.z)); + + var h = u1.redSub(u2); + var r = s1.redSub(s2); + if (h.cmpn(0) === 0) { + if (r.cmpn(0) !== 0) + return this.curve.jpoint(null, null, null); + else + return this.dbl(); + } + + var h2 = h.redSqr(); + var h3 = h2.redMul(h); + var v = u1.redMul(h2); + + var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v); + var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3)); + var nz = this.z.redMul(p.z).redMul(h); + + return this.curve.jpoint(nx, ny, nz); +}; + +JPoint.prototype.mixedAdd = function mixedAdd(p) { + // O + P = P + if (this.isInfinity()) + return p.toJ(); + + // P + O = P + if (p.isInfinity()) + return this; + + // 8M + 3S + 7A + var z2 = this.z.redSqr(); + var u1 = this.x; + var u2 = p.x.redMul(z2); + var s1 = this.y; + var s2 = p.y.redMul(z2).redMul(this.z); + + var h = u1.redSub(u2); + var r = s1.redSub(s2); + if (h.cmpn(0) === 0) { + if (r.cmpn(0) !== 0) + return this.curve.jpoint(null, null, null); + else + return this.dbl(); + } + + var h2 = h.redSqr(); + var h3 = h2.redMul(h); + var v = u1.redMul(h2); + + var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v); + var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3)); + var nz = this.z.redMul(h); + + return this.curve.jpoint(nx, ny, nz); +}; + +JPoint.prototype.dblp = function dblp(pow) { + if (pow === 0) + return this; + if (this.isInfinity()) + return this; + if (!pow) + return this.dbl(); + + if (this.curve.zeroA || this.curve.threeA) { + var r = this; + for (var i = 0; i < pow; i++) + r = r.dbl(); + return r; + } + + // 1M + 2S + 1A + N * (4S + 5M + 8A) + // N = 1 => 6M + 6S + 9A + var a = this.curve.a; + var tinv = this.curve.tinv; + + var jx = this.x; + var jy = this.y; + var jz = this.z; + var jz4 = jz.redSqr().redSqr(); + + // Reuse results + var jyd = jy.redAdd(jy); + for (var i = 0; i < pow; i++) { + var jx2 = jx.redSqr(); + var jyd2 = jyd.redSqr(); + var jyd4 = jyd2.redSqr(); + var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4)); + + var t1 = jx.redMul(jyd2); + var nx = c.redSqr().redISub(t1.redAdd(t1)); + var t2 = t1.redISub(nx); + var dny = c.redMul(t2); + dny = dny.redIAdd(dny).redISub(jyd4); + var nz = jyd.redMul(jz); + if (i + 1 < pow) + jz4 = jz4.redMul(jyd4); + + jx = nx; + jz = nz; + jyd = dny; + } + + return this.curve.jpoint(jx, jyd.redMul(tinv), jz); +}; + +JPoint.prototype.dbl = function dbl() { + if (this.isInfinity()) + return this; + + if (this.curve.zeroA) + return this._zeroDbl(); + else if (this.curve.threeA) + return this._threeDbl(); + else + return this._dbl(); +}; + +JPoint.prototype._zeroDbl = function _zeroDbl() { + var nx; + var ny; + var nz; + // Z = 1 + if (this.zOne) { + // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html + // #doubling-mdbl-2007-bl + // 1M + 5S + 14A + + // XX = X1^2 + var xx = this.x.redSqr(); + // YY = Y1^2 + var yy = this.y.redSqr(); + // YYYY = YY^2 + var yyyy = yy.redSqr(); + // S = 2 * ((X1 + YY)^2 - XX - YYYY) + var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy); + s = s.redIAdd(s); + // M = 3 * XX + a; a = 0 + var m = xx.redAdd(xx).redIAdd(xx); + // T = M ^ 2 - 2*S + var t = m.redSqr().redISub(s).redISub(s); + + // 8 * YYYY + var yyyy8 = yyyy.redIAdd(yyyy); + yyyy8 = yyyy8.redIAdd(yyyy8); + yyyy8 = yyyy8.redIAdd(yyyy8); + + // X3 = T + nx = t; + // Y3 = M * (S - T) - 8 * YYYY + ny = m.redMul(s.redISub(t)).redISub(yyyy8); + // Z3 = 2*Y1 + nz = this.y.redAdd(this.y); + } else { + // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html + // #doubling-dbl-2009-l + // 2M + 5S + 13A + + // A = X1^2 + var a = this.x.redSqr(); + // B = Y1^2 + var b = this.y.redSqr(); + // C = B^2 + var c = b.redSqr(); + // D = 2 * ((X1 + B)^2 - A - C) + var d = this.x.redAdd(b).redSqr().redISub(a).redISub(c); + d = d.redIAdd(d); + // E = 3 * A + var e = a.redAdd(a).redIAdd(a); + // F = E^2 + var f = e.redSqr(); + + // 8 * C + var c8 = c.redIAdd(c); + c8 = c8.redIAdd(c8); + c8 = c8.redIAdd(c8); + + // X3 = F - 2 * D + nx = f.redISub(d).redISub(d); + // Y3 = E * (D - X3) - 8 * C + ny = e.redMul(d.redISub(nx)).redISub(c8); + // Z3 = 2 * Y1 * Z1 + nz = this.y.redMul(this.z); + nz = nz.redIAdd(nz); + } + + return this.curve.jpoint(nx, ny, nz); +}; + +JPoint.prototype._threeDbl = function _threeDbl() { + var nx; + var ny; + var nz; + // Z = 1 + if (this.zOne) { + // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html + // #doubling-mdbl-2007-bl + // 1M + 5S + 15A + + // XX = X1^2 + var xx = this.x.redSqr(); + // YY = Y1^2 + var yy = this.y.redSqr(); + // YYYY = YY^2 + var yyyy = yy.redSqr(); + // S = 2 * ((X1 + YY)^2 - XX - YYYY) + var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy); + s = s.redIAdd(s); + // M = 3 * XX + a + var m = xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a); + // T = M^2 - 2 * S + var t = m.redSqr().redISub(s).redISub(s); + // X3 = T + nx = t; + // Y3 = M * (S - T) - 8 * YYYY + var yyyy8 = yyyy.redIAdd(yyyy); + yyyy8 = yyyy8.redIAdd(yyyy8); + yyyy8 = yyyy8.redIAdd(yyyy8); + ny = m.redMul(s.redISub(t)).redISub(yyyy8); + // Z3 = 2 * Y1 + nz = this.y.redAdd(this.y); + } else { + // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b + // 3M + 5S + + // delta = Z1^2 + var delta = this.z.redSqr(); + // gamma = Y1^2 + var gamma = this.y.redSqr(); + // beta = X1 * gamma + var beta = this.x.redMul(gamma); + // alpha = 3 * (X1 - delta) * (X1 + delta) + var alpha = this.x.redSub(delta).redMul(this.x.redAdd(delta)); + alpha = alpha.redAdd(alpha).redIAdd(alpha); + // X3 = alpha^2 - 8 * beta + var beta4 = beta.redIAdd(beta); + beta4 = beta4.redIAdd(beta4); + var beta8 = beta4.redAdd(beta4); + nx = alpha.redSqr().redISub(beta8); + // Z3 = (Y1 + Z1)^2 - gamma - delta + nz = this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta); + // Y3 = alpha * (4 * beta - X3) - 8 * gamma^2 + var ggamma8 = gamma.redSqr(); + ggamma8 = ggamma8.redIAdd(ggamma8); + ggamma8 = ggamma8.redIAdd(ggamma8); + ggamma8 = ggamma8.redIAdd(ggamma8); + ny = alpha.redMul(beta4.redISub(nx)).redISub(ggamma8); + } + + return this.curve.jpoint(nx, ny, nz); +}; + +JPoint.prototype._dbl = function _dbl() { + var a = this.curve.a; + + // 4M + 6S + 10A + var jx = this.x; + var jy = this.y; + var jz = this.z; + var jz4 = jz.redSqr().redSqr(); + + var jx2 = jx.redSqr(); + var jy2 = jy.redSqr(); + + var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4)); + + var jxd4 = jx.redAdd(jx); + jxd4 = jxd4.redIAdd(jxd4); + var t1 = jxd4.redMul(jy2); + var nx = c.redSqr().redISub(t1.redAdd(t1)); + var t2 = t1.redISub(nx); + + var jyd8 = jy2.redSqr(); + jyd8 = jyd8.redIAdd(jyd8); + jyd8 = jyd8.redIAdd(jyd8); + jyd8 = jyd8.redIAdd(jyd8); + var ny = c.redMul(t2).redISub(jyd8); + var nz = jy.redAdd(jy).redMul(jz); + + return this.curve.jpoint(nx, ny, nz); +}; + +JPoint.prototype.trpl = function trpl() { + if (!this.curve.zeroA) + return this.dbl().add(this); + + // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#tripling-tpl-2007-bl + // 5M + 10S + ... + + // XX = X1^2 + var xx = this.x.redSqr(); + // YY = Y1^2 + var yy = this.y.redSqr(); + // ZZ = Z1^2 + var zz = this.z.redSqr(); + // YYYY = YY^2 + var yyyy = yy.redSqr(); + // M = 3 * XX + a * ZZ2; a = 0 + var m = xx.redAdd(xx).redIAdd(xx); + // MM = M^2 + var mm = m.redSqr(); + // E = 6 * ((X1 + YY)^2 - XX - YYYY) - MM + var e = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy); + e = e.redIAdd(e); + e = e.redAdd(e).redIAdd(e); + e = e.redISub(mm); + // EE = E^2 + var ee = e.redSqr(); + // T = 16*YYYY + var t = yyyy.redIAdd(yyyy); + t = t.redIAdd(t); + t = t.redIAdd(t); + t = t.redIAdd(t); + // U = (M + E)^2 - MM - EE - T + var u = m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t); + // X3 = 4 * (X1 * EE - 4 * YY * U) + var yyu4 = yy.redMul(u); + yyu4 = yyu4.redIAdd(yyu4); + yyu4 = yyu4.redIAdd(yyu4); + var nx = this.x.redMul(ee).redISub(yyu4); + nx = nx.redIAdd(nx); + nx = nx.redIAdd(nx); + // Y3 = 8 * Y1 * (U * (T - U) - E * EE) + var ny = this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee))); + ny = ny.redIAdd(ny); + ny = ny.redIAdd(ny); + ny = ny.redIAdd(ny); + // Z3 = (Z1 + E)^2 - ZZ - EE + var nz = this.z.redAdd(e).redSqr().redISub(zz).redISub(ee); + + return this.curve.jpoint(nx, ny, nz); +}; + +JPoint.prototype.mul = function mul(k, kbase) { + k = new bn(k, kbase); + + return this.curve._wnafMul(this, k); +}; + +JPoint.prototype.eq = function eq(p) { + if (p.type === 'affine') + return this.eq(p.toJ()); + + if (this === p) + return true; + + // x1 * z2^2 == x2 * z1^2 + var z2 = this.z.redSqr(); + var pz2 = p.z.redSqr(); + if (this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0) !== 0) + return false; + + // y1 * z2^3 == y2 * z1^3 + var z3 = z2.redMul(this.z); + var pz3 = pz2.redMul(p.z); + return this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0) === 0; +}; + +JPoint.prototype.eqXToP = function eqXToP(x) { + var zs = this.z.redSqr(); + var rx = x.toRed(this.curve.red).redMul(zs); + if (this.x.cmp(rx) === 0) + return true; + + var xc = x.clone(); + var t = this.curve.redN.redMul(zs); + for (;;) { + xc.iadd(this.curve.n); + if (xc.cmp(this.curve.p) >= 0) + return false; + + rx.redIAdd(t); + if (this.x.cmp(rx) === 0) + return true; + } +}; + +JPoint.prototype.inspect = function inspect() { + if (this.isInfinity()) + return '<EC JPoint Infinity>'; + return '<EC JPoint x: ' + this.x.toString(16, 2) + + ' y: ' + this.y.toString(16, 2) + + ' z: ' + this.z.toString(16, 2) + '>'; +}; + +JPoint.prototype.isInfinity = function isInfinity() { + // XXX This code assumes that zero is always zero in red + return this.z.cmpn(0) === 0; +}; + +var Base$1 = curve_1.base; + + +var utils$4 = elliptic_1.utils; + +function MontCurve(conf) { + Base$1.call(this, 'mont', conf); + + this.a = new bn(conf.a, 16).toRed(this.red); + this.b = new bn(conf.b, 16).toRed(this.red); + this.i4 = new bn(4).toRed(this.red).redInvm(); + this.two = new bn(2).toRed(this.red); + this.a24 = this.i4.redMul(this.a.redAdd(this.two)); +} +inherits_browser(MontCurve, Base$1); +var mont = MontCurve; + +MontCurve.prototype.validate = function validate(point) { + var x = point.normalize().x; + var x2 = x.redSqr(); + var rhs = x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x); + var y = rhs.redSqrt(); + + return y.redSqr().cmp(rhs) === 0; +}; + +function Point$1(curve, x, z) { + Base$1.BasePoint.call(this, curve, 'projective'); + if (x === null && z === null) { + this.x = this.curve.one; + this.z = this.curve.zero; + } else { + this.x = new bn(x, 16); + this.z = new bn(z, 16); + if (!this.x.red) + this.x = this.x.toRed(this.curve.red); + if (!this.z.red) + this.z = this.z.toRed(this.curve.red); + } +} +inherits_browser(Point$1, Base$1.BasePoint); + +MontCurve.prototype.decodePoint = function decodePoint(bytes, enc) { + return this.point(utils$4.toArray(bytes, enc), 1); +}; + +MontCurve.prototype.point = function point(x, z) { + return new Point$1(this, x, z); +}; + +MontCurve.prototype.pointFromJSON = function pointFromJSON(obj) { + return Point$1.fromJSON(this, obj); +}; + +Point$1.prototype.precompute = function precompute() { + // No-op +}; + +Point$1.prototype._encode = function _encode() { + return this.getX().toArray('be', this.curve.p.byteLength()); +}; + +Point$1.fromJSON = function fromJSON(curve, obj) { + return new Point$1(curve, obj[0], obj[1] || curve.one); +}; + +Point$1.prototype.inspect = function inspect() { + if (this.isInfinity()) + return '<EC Point Infinity>'; + return '<EC Point x: ' + this.x.fromRed().toString(16, 2) + + ' z: ' + this.z.fromRed().toString(16, 2) + '>'; +}; + +Point$1.prototype.isInfinity = function isInfinity() { + // XXX This code assumes that zero is always zero in red + return this.z.cmpn(0) === 0; +}; + +Point$1.prototype.dbl = function dbl() { + // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#doubling-dbl-1987-m-3 + // 2M + 2S + 4A + + // A = X1 + Z1 + var a = this.x.redAdd(this.z); + // AA = A^2 + var aa = a.redSqr(); + // B = X1 - Z1 + var b = this.x.redSub(this.z); + // BB = B^2 + var bb = b.redSqr(); + // C = AA - BB + var c = aa.redSub(bb); + // X3 = AA * BB + var nx = aa.redMul(bb); + // Z3 = C * (BB + A24 * C) + var nz = c.redMul(bb.redAdd(this.curve.a24.redMul(c))); + return this.curve.point(nx, nz); +}; + +Point$1.prototype.add = function add() { + throw new Error('Not supported on Montgomery curve'); +}; + +Point$1.prototype.diffAdd = function diffAdd(p, diff) { + // http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#diffadd-dadd-1987-m-3 + // 4M + 2S + 6A + + // A = X2 + Z2 + var a = this.x.redAdd(this.z); + // B = X2 - Z2 + var b = this.x.redSub(this.z); + // C = X3 + Z3 + var c = p.x.redAdd(p.z); + // D = X3 - Z3 + var d = p.x.redSub(p.z); + // DA = D * A + var da = d.redMul(a); + // CB = C * B + var cb = c.redMul(b); + // X5 = Z1 * (DA + CB)^2 + var nx = diff.z.redMul(da.redAdd(cb).redSqr()); + // Z5 = X1 * (DA - CB)^2 + var nz = diff.x.redMul(da.redISub(cb).redSqr()); + return this.curve.point(nx, nz); +}; + +Point$1.prototype.mul = function mul(k) { + var t = k.clone(); + var a = this; // (N / 2) * Q + Q + var b = this.curve.point(null, null); // (N / 2) * Q + var c = this; // Q + + for (var bits = []; t.cmpn(0) !== 0; t.iushrn(1)) + bits.push(t.andln(1)); + + for (var i = bits.length - 1; i >= 0; i--) { + if (bits[i] === 0) { + // N * Q + Q = ((N / 2) * Q + Q)) + (N / 2) * Q + a = a.diffAdd(b, c); + // N * Q = 2 * ((N / 2) * Q + Q)) + b = b.dbl(); + } else { + // N * Q = ((N / 2) * Q + Q) + ((N / 2) * Q) + b = a.diffAdd(b, c); + // N * Q + Q = 2 * ((N / 2) * Q + Q) + a = a.dbl(); + } + } + return b; +}; + +Point$1.prototype.mulAdd = function mulAdd() { + throw new Error('Not supported on Montgomery curve'); +}; + +Point$1.prototype.jumlAdd = function jumlAdd() { + throw new Error('Not supported on Montgomery curve'); +}; + +Point$1.prototype.eq = function eq(other) { + return this.getX().cmp(other.getX()) === 0; +}; + +Point$1.prototype.normalize = function normalize() { + this.x = this.x.redMul(this.z.redInvm()); + this.z = this.curve.one; + return this; +}; + +Point$1.prototype.getX = function getX() { + // Normalize coordinates + this.normalize(); + + return this.x.fromRed(); +}; + +var Base$2 = curve_1.base; + +var assert$3 = elliptic_1.utils.assert; + +function EdwardsCurve(conf) { + // NOTE: Important as we are creating point in Base.call() + this.twisted = (conf.a | 0) !== 1; + this.mOneA = this.twisted && (conf.a | 0) === -1; + this.extended = this.mOneA; + + Base$2.call(this, 'edwards', conf); + + this.a = new bn(conf.a, 16).umod(this.red.m); + this.a = this.a.toRed(this.red); + this.c = new bn(conf.c, 16).toRed(this.red); + this.c2 = this.c.redSqr(); + this.d = new bn(conf.d, 16).toRed(this.red); + this.dd = this.d.redAdd(this.d); + + assert$3(!this.twisted || this.c.fromRed().cmpn(1) === 0); + this.oneC = (conf.c | 0) === 1; +} +inherits_browser(EdwardsCurve, Base$2); +var edwards = EdwardsCurve; + +EdwardsCurve.prototype._mulA = function _mulA(num) { + if (this.mOneA) + return num.redNeg(); + else + return this.a.redMul(num); +}; + +EdwardsCurve.prototype._mulC = function _mulC(num) { + if (this.oneC) + return num; + else + return this.c.redMul(num); +}; + +// Just for compatibility with Short curve +EdwardsCurve.prototype.jpoint = function jpoint(x, y, z, t) { + return this.point(x, y, z, t); +}; + +EdwardsCurve.prototype.pointFromX = function pointFromX(x, odd) { + x = new bn(x, 16); + if (!x.red) + x = x.toRed(this.red); + + var x2 = x.redSqr(); + var rhs = this.c2.redSub(this.a.redMul(x2)); + var lhs = this.one.redSub(this.c2.redMul(this.d).redMul(x2)); + + var y2 = rhs.redMul(lhs.redInvm()); + var y = y2.redSqrt(); + if (y.redSqr().redSub(y2).cmp(this.zero) !== 0) + throw new Error('invalid point'); + + var isOdd = y.fromRed().isOdd(); + if (odd && !isOdd || !odd && isOdd) + y = y.redNeg(); + + return this.point(x, y); +}; + +EdwardsCurve.prototype.pointFromY = function pointFromY(y, odd) { + y = new bn(y, 16); + if (!y.red) + y = y.toRed(this.red); + + // x^2 = (y^2 - c^2) / (c^2 d y^2 - a) + var y2 = y.redSqr(); + var lhs = y2.redSub(this.c2); + var rhs = y2.redMul(this.d).redMul(this.c2).redSub(this.a); + var x2 = lhs.redMul(rhs.redInvm()); + + if (x2.cmp(this.zero) === 0) { + if (odd) + throw new Error('invalid point'); + else + return this.point(this.zero, y); + } + + var x = x2.redSqrt(); + if (x.redSqr().redSub(x2).cmp(this.zero) !== 0) + throw new Error('invalid point'); + + if (x.fromRed().isOdd() !== odd) + x = x.redNeg(); + + return this.point(x, y); +}; + +EdwardsCurve.prototype.validate = function validate(point) { + if (point.isInfinity()) + return true; + + // Curve: A * X^2 + Y^2 = C^2 * (1 + D * X^2 * Y^2) + point.normalize(); + + var x2 = point.x.redSqr(); + var y2 = point.y.redSqr(); + var lhs = x2.redMul(this.a).redAdd(y2); + var rhs = this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2))); + + return lhs.cmp(rhs) === 0; +}; + +function Point$2(curve, x, y, z, t) { + Base$2.BasePoint.call(this, curve, 'projective'); + if (x === null && y === null && z === null) { + this.x = this.curve.zero; + this.y = this.curve.one; + this.z = this.curve.one; + this.t = this.curve.zero; + this.zOne = true; + } else { + this.x = new bn(x, 16); + this.y = new bn(y, 16); + this.z = z ? new bn(z, 16) : this.curve.one; + this.t = t && new bn(t, 16); + if (!this.x.red) + this.x = this.x.toRed(this.curve.red); + if (!this.y.red) + this.y = this.y.toRed(this.curve.red); + if (!this.z.red) + this.z = this.z.toRed(this.curve.red); + if (this.t && !this.t.red) + this.t = this.t.toRed(this.curve.red); + this.zOne = this.z === this.curve.one; + + // Use extended coordinates + if (this.curve.extended && !this.t) { + this.t = this.x.redMul(this.y); + if (!this.zOne) + this.t = this.t.redMul(this.z.redInvm()); + } + } +} +inherits_browser(Point$2, Base$2.BasePoint); + +EdwardsCurve.prototype.pointFromJSON = function pointFromJSON(obj) { + return Point$2.fromJSON(this, obj); +}; + +EdwardsCurve.prototype.point = function point(x, y, z, t) { + return new Point$2(this, x, y, z, t); +}; + +Point$2.fromJSON = function fromJSON(curve, obj) { + return new Point$2(curve, obj[0], obj[1], obj[2]); +}; + +Point$2.prototype.inspect = function inspect() { + if (this.isInfinity()) + return '<EC Point Infinity>'; + return '<EC Point x: ' + this.x.fromRed().toString(16, 2) + + ' y: ' + this.y.fromRed().toString(16, 2) + + ' z: ' + this.z.fromRed().toString(16, 2) + '>'; +}; + +Point$2.prototype.isInfinity = function isInfinity() { + // XXX This code assumes that zero is always zero in red + return this.x.cmpn(0) === 0 && + (this.y.cmp(this.z) === 0 || + (this.zOne && this.y.cmp(this.curve.c) === 0)); +}; + +Point$2.prototype._extDbl = function _extDbl() { + // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html + // #doubling-dbl-2008-hwcd + // 4M + 4S + + // A = X1^2 + var a = this.x.redSqr(); + // B = Y1^2 + var b = this.y.redSqr(); + // C = 2 * Z1^2 + var c = this.z.redSqr(); + c = c.redIAdd(c); + // D = a * A + var d = this.curve._mulA(a); + // E = (X1 + Y1)^2 - A - B + var e = this.x.redAdd(this.y).redSqr().redISub(a).redISub(b); + // G = D + B + var g = d.redAdd(b); + // F = G - C + var f = g.redSub(c); + // H = D - B + var h = d.redSub(b); + // X3 = E * F + var nx = e.redMul(f); + // Y3 = G * H + var ny = g.redMul(h); + // T3 = E * H + var nt = e.redMul(h); + // Z3 = F * G + var nz = f.redMul(g); + return this.curve.point(nx, ny, nz, nt); +}; + +Point$2.prototype._projDbl = function _projDbl() { + // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html + // #doubling-dbl-2008-bbjlp + // #doubling-dbl-2007-bl + // and others + // Generally 3M + 4S or 2M + 4S + + // B = (X1 + Y1)^2 + var b = this.x.redAdd(this.y).redSqr(); + // C = X1^2 + var c = this.x.redSqr(); + // D = Y1^2 + var d = this.y.redSqr(); + + var nx; + var ny; + var nz; + if (this.curve.twisted) { + // E = a * C + var e = this.curve._mulA(c); + // F = E + D + var f = e.redAdd(d); + if (this.zOne) { + // X3 = (B - C - D) * (F - 2) + nx = b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two)); + // Y3 = F * (E - D) + ny = f.redMul(e.redSub(d)); + // Z3 = F^2 - 2 * F + nz = f.redSqr().redSub(f).redSub(f); + } else { + // H = Z1^2 + var h = this.z.redSqr(); + // J = F - 2 * H + var j = f.redSub(h).redISub(h); + // X3 = (B-C-D)*J + nx = b.redSub(c).redISub(d).redMul(j); + // Y3 = F * (E - D) + ny = f.redMul(e.redSub(d)); + // Z3 = F * J + nz = f.redMul(j); + } + } else { + // E = C + D + var e = c.redAdd(d); + // H = (c * Z1)^2 + var h = this.curve._mulC(this.z).redSqr(); + // J = E - 2 * H + var j = e.redSub(h).redSub(h); + // X3 = c * (B - E) * J + nx = this.curve._mulC(b.redISub(e)).redMul(j); + // Y3 = c * E * (C - D) + ny = this.curve._mulC(e).redMul(c.redISub(d)); + // Z3 = E * J + nz = e.redMul(j); + } + return this.curve.point(nx, ny, nz); +}; + +Point$2.prototype.dbl = function dbl() { + if (this.isInfinity()) + return this; + + // Double in extended coordinates + if (this.curve.extended) + return this._extDbl(); + else + return this._projDbl(); +}; + +Point$2.prototype._extAdd = function _extAdd(p) { + // hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html + // #addition-add-2008-hwcd-3 + // 8M + + // A = (Y1 - X1) * (Y2 - X2) + var a = this.y.redSub(this.x).redMul(p.y.redSub(p.x)); + // B = (Y1 + X1) * (Y2 + X2) + var b = this.y.redAdd(this.x).redMul(p.y.redAdd(p.x)); + // C = T1 * k * T2 + var c = this.t.redMul(this.curve.dd).redMul(p.t); + // D = Z1 * 2 * Z2 + var d = this.z.redMul(p.z.redAdd(p.z)); + // E = B - A + var e = b.redSub(a); + // F = D - C + var f = d.redSub(c); + // G = D + C + var g = d.redAdd(c); + // H = B + A + var h = b.redAdd(a); + // X3 = E * F + var nx = e.redMul(f); + // Y3 = G * H + var ny = g.redMul(h); + // T3 = E * H + var nt = e.redMul(h); + // Z3 = F * G + var nz = f.redMul(g); + return this.curve.point(nx, ny, nz, nt); +}; + +Point$2.prototype._projAdd = function _projAdd(p) { + // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html + // #addition-add-2008-bbjlp + // #addition-add-2007-bl + // 10M + 1S + + // A = Z1 * Z2 + var a = this.z.redMul(p.z); + // B = A^2 + var b = a.redSqr(); + // C = X1 * X2 + var c = this.x.redMul(p.x); + // D = Y1 * Y2 + var d = this.y.redMul(p.y); + // E = d * C * D + var e = this.curve.d.redMul(c).redMul(d); + // F = B - E + var f = b.redSub(e); + // G = B + E + var g = b.redAdd(e); + // X3 = A * F * ((X1 + Y1) * (X2 + Y2) - C - D) + var tmp = this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d); + var nx = a.redMul(f).redMul(tmp); + var ny; + var nz; + if (this.curve.twisted) { + // Y3 = A * G * (D - a * C) + ny = a.redMul(g).redMul(d.redSub(this.curve._mulA(c))); + // Z3 = F * G + nz = f.redMul(g); + } else { + // Y3 = A * G * (D - C) + ny = a.redMul(g).redMul(d.redSub(c)); + // Z3 = c * F * G + nz = this.curve._mulC(f).redMul(g); + } + return this.curve.point(nx, ny, nz); +}; + +Point$2.prototype.add = function add(p) { + if (this.isInfinity()) + return p; + if (p.isInfinity()) + return this; + + if (this.curve.extended) + return this._extAdd(p); + else + return this._projAdd(p); +}; + +Point$2.prototype.mul = function mul(k) { + if (this._hasDoubles(k)) + return this.curve._fixedNafMul(this, k); + else + return this.curve._wnafMul(this, k); +}; + +Point$2.prototype.mulAdd = function mulAdd(k1, p, k2) { + return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, false); +}; + +Point$2.prototype.jmulAdd = function jmulAdd(k1, p, k2) { + return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, true); +}; + +Point$2.prototype.normalize = function normalize() { + if (this.zOne) + return this; + + // Normalize coordinates + var zi = this.z.redInvm(); + this.x = this.x.redMul(zi); + this.y = this.y.redMul(zi); + if (this.t) + this.t = this.t.redMul(zi); + this.z = this.curve.one; + this.zOne = true; + return this; +}; + +Point$2.prototype.neg = function neg() { + return this.curve.point(this.x.redNeg(), + this.y, + this.z, + this.t && this.t.redNeg()); +}; + +Point$2.prototype.getX = function getX() { + this.normalize(); + return this.x.fromRed(); +}; + +Point$2.prototype.getY = function getY() { + this.normalize(); + return this.y.fromRed(); +}; + +Point$2.prototype.eq = function eq(other) { + return this === other || + this.getX().cmp(other.getX()) === 0 && + this.getY().cmp(other.getY()) === 0; +}; + +Point$2.prototype.eqXToP = function eqXToP(x) { + var rx = x.toRed(this.curve.red).redMul(this.z); + if (this.x.cmp(rx) === 0) + return true; + + var xc = x.clone(); + var t = this.curve.redN.redMul(this.z); + for (;;) { + xc.iadd(this.curve.n); + if (xc.cmp(this.curve.p) >= 0) + return false; + + rx.redIAdd(t); + if (this.x.cmp(rx) === 0) + return true; + } +}; + +// Compatibility with BaseCurve +Point$2.prototype.toP = Point$2.prototype.normalize; +Point$2.prototype.mixedAdd = Point$2.prototype.add; + +var curve_1 = createCommonjsModule(function (module, exports) { + +var curve = exports; + +curve.base = base; +curve.short = short_1; +curve.mont = mont; +curve.edwards = edwards; +}); + +var inherits_1 = inherits_browser; + +function isSurrogatePair(msg, i) { + if ((msg.charCodeAt(i) & 0xFC00) !== 0xD800) { + return false; + } + if (i < 0 || i + 1 >= msg.length) { + return false; + } + return (msg.charCodeAt(i + 1) & 0xFC00) === 0xDC00; +} + +function toArray$1(msg, enc) { + if (Array.isArray(msg)) + return msg.slice(); + if (!msg) + return []; + var res = []; + if (typeof msg === 'string') { + if (!enc) { + // Inspired by stringToUtf8ByteArray() in closure-library by Google + // https://github.com/google/closure-library/blob/8598d87242af59aac233270742c8984e2b2bdbe0/closure/goog/crypt/crypt.js#L117-L143 + // Apache License 2.0 + // https://github.com/google/closure-library/blob/master/LICENSE + var p = 0; + for (var i = 0; i < msg.length; i++) { + var c = msg.charCodeAt(i); + if (c < 128) { + res[p++] = c; + } else if (c < 2048) { + res[p++] = (c >> 6) | 192; + res[p++] = (c & 63) | 128; + } else if (isSurrogatePair(msg, i)) { + c = 0x10000 + ((c & 0x03FF) << 10) + (msg.charCodeAt(++i) & 0x03FF); + res[p++] = (c >> 18) | 240; + res[p++] = ((c >> 12) & 63) | 128; + res[p++] = ((c >> 6) & 63) | 128; + res[p++] = (c & 63) | 128; + } else { + res[p++] = (c >> 12) | 224; + res[p++] = ((c >> 6) & 63) | 128; + res[p++] = (c & 63) | 128; + } + } + } else if (enc === 'hex') { + msg = msg.replace(/[^a-z0-9]+/ig, ''); + if (msg.length % 2 !== 0) + msg = '0' + msg; + for (i = 0; i < msg.length; i += 2) + res.push(parseInt(msg[i] + msg[i + 1], 16)); + } + } else { + for (i = 0; i < msg.length; i++) + res[i] = msg[i] | 0; + } + return res; +} +var toArray_1 = toArray$1; + +function toHex(msg) { + var res = ''; + for (var i = 0; i < msg.length; i++) + res += zero2(msg[i].toString(16)); + return res; +} +var toHex_1 = toHex; + +function htonl(w) { + var res = (w >>> 24) | + ((w >>> 8) & 0xff00) | + ((w << 8) & 0xff0000) | + ((w & 0xff) << 24); + return res >>> 0; +} +var htonl_1 = htonl; + +function toHex32(msg, endian) { + var res = ''; + for (var i = 0; i < msg.length; i++) { + var w = msg[i]; + if (endian === 'little') + w = htonl(w); + res += zero8(w.toString(16)); + } + return res; +} +var toHex32_1 = toHex32; + +function zero2(word) { + if (word.length === 1) + return '0' + word; + else + return word; +} +var zero2_1 = zero2; + +function zero8(word) { + if (word.length === 7) + return '0' + word; + else if (word.length === 6) + return '00' + word; + else if (word.length === 5) + return '000' + word; + else if (word.length === 4) + return '0000' + word; + else if (word.length === 3) + return '00000' + word; + else if (word.length === 2) + return '000000' + word; + else if (word.length === 1) + return '0000000' + word; + else + return word; +} +var zero8_1 = zero8; + +function join32(msg, start, end, endian) { + var len = end - start; + minimalisticAssert(len % 4 === 0); + var res = new Array(len / 4); + for (var i = 0, k = start; i < res.length; i++, k += 4) { + var w; + if (endian === 'big') + w = (msg[k] << 24) | (msg[k + 1] << 16) | (msg[k + 2] << 8) | msg[k + 3]; + else + w = (msg[k + 3] << 24) | (msg[k + 2] << 16) | (msg[k + 1] << 8) | msg[k]; + res[i] = w >>> 0; + } + return res; +} +var join32_1 = join32; + +function split32(msg, endian) { + var res = new Array(msg.length * 4); + for (var i = 0, k = 0; i < msg.length; i++, k += 4) { + var m = msg[i]; + if (endian === 'big') { + res[k] = m >>> 24; + res[k + 1] = (m >>> 16) & 0xff; + res[k + 2] = (m >>> 8) & 0xff; + res[k + 3] = m & 0xff; + } else { + res[k + 3] = m >>> 24; + res[k + 2] = (m >>> 16) & 0xff; + res[k + 1] = (m >>> 8) & 0xff; + res[k] = m & 0xff; + } + } + return res; +} +var split32_1 = split32; + +function rotr32(w, b) { + return (w >>> b) | (w << (32 - b)); +} +var rotr32_1 = rotr32; + +function rotl32(w, b) { + return (w << b) | (w >>> (32 - b)); +} +var rotl32_1 = rotl32; + +function sum32(a, b) { + return (a + b) >>> 0; +} +var sum32_1 = sum32; + +function sum32_3(a, b, c) { + return (a + b + c) >>> 0; +} +var sum32_3_1 = sum32_3; + +function sum32_4(a, b, c, d) { + return (a + b + c + d) >>> 0; +} +var sum32_4_1 = sum32_4; + +function sum32_5(a, b, c, d, e) { + return (a + b + c + d + e) >>> 0; +} +var sum32_5_1 = sum32_5; + +function sum64(buf, pos, ah, al) { + var bh = buf[pos]; + var bl = buf[pos + 1]; + + var lo = (al + bl) >>> 0; + var hi = (lo < al ? 1 : 0) + ah + bh; + buf[pos] = hi >>> 0; + buf[pos + 1] = lo; +} +var sum64_1 = sum64; + +function sum64_hi(ah, al, bh, bl) { + var lo = (al + bl) >>> 0; + var hi = (lo < al ? 1 : 0) + ah + bh; + return hi >>> 0; +} +var sum64_hi_1 = sum64_hi; + +function sum64_lo(ah, al, bh, bl) { + var lo = al + bl; + return lo >>> 0; +} +var sum64_lo_1 = sum64_lo; + +function sum64_4_hi(ah, al, bh, bl, ch, cl, dh, dl) { + var carry = 0; + var lo = al; + lo = (lo + bl) >>> 0; + carry += lo < al ? 1 : 0; + lo = (lo + cl) >>> 0; + carry += lo < cl ? 1 : 0; + lo = (lo + dl) >>> 0; + carry += lo < dl ? 1 : 0; + + var hi = ah + bh + ch + dh + carry; + return hi >>> 0; +} +var sum64_4_hi_1 = sum64_4_hi; + +function sum64_4_lo(ah, al, bh, bl, ch, cl, dh, dl) { + var lo = al + bl + cl + dl; + return lo >>> 0; +} +var sum64_4_lo_1 = sum64_4_lo; + +function sum64_5_hi(ah, al, bh, bl, ch, cl, dh, dl, eh, el) { + var carry = 0; + var lo = al; + lo = (lo + bl) >>> 0; + carry += lo < al ? 1 : 0; + lo = (lo + cl) >>> 0; + carry += lo < cl ? 1 : 0; + lo = (lo + dl) >>> 0; + carry += lo < dl ? 1 : 0; + lo = (lo + el) >>> 0; + carry += lo < el ? 1 : 0; + + var hi = ah + bh + ch + dh + eh + carry; + return hi >>> 0; +} +var sum64_5_hi_1 = sum64_5_hi; + +function sum64_5_lo(ah, al, bh, bl, ch, cl, dh, dl, eh, el) { + var lo = al + bl + cl + dl + el; + + return lo >>> 0; +} +var sum64_5_lo_1 = sum64_5_lo; + +function rotr64_hi(ah, al, num) { + var r = (al << (32 - num)) | (ah >>> num); + return r >>> 0; +} +var rotr64_hi_1 = rotr64_hi; + +function rotr64_lo(ah, al, num) { + var r = (ah << (32 - num)) | (al >>> num); + return r >>> 0; +} +var rotr64_lo_1 = rotr64_lo; + +function shr64_hi(ah, al, num) { + return ah >>> num; +} +var shr64_hi_1 = shr64_hi; + +function shr64_lo(ah, al, num) { + var r = (ah << (32 - num)) | (al >>> num); + return r >>> 0; +} +var shr64_lo_1 = shr64_lo; + +var utils$5 = { + inherits: inherits_1, + toArray: toArray_1, + toHex: toHex_1, + htonl: htonl_1, + toHex32: toHex32_1, + zero2: zero2_1, + zero8: zero8_1, + join32: join32_1, + split32: split32_1, + rotr32: rotr32_1, + rotl32: rotl32_1, + sum32: sum32_1, + sum32_3: sum32_3_1, + sum32_4: sum32_4_1, + sum32_5: sum32_5_1, + sum64: sum64_1, + sum64_hi: sum64_hi_1, + sum64_lo: sum64_lo_1, + sum64_4_hi: sum64_4_hi_1, + sum64_4_lo: sum64_4_lo_1, + sum64_5_hi: sum64_5_hi_1, + sum64_5_lo: sum64_5_lo_1, + rotr64_hi: rotr64_hi_1, + rotr64_lo: rotr64_lo_1, + shr64_hi: shr64_hi_1, + shr64_lo: shr64_lo_1 +}; + +function BlockHash() { + this.pending = null; + this.pendingTotal = 0; + this.blockSize = this.constructor.blockSize; + this.outSize = this.constructor.outSize; + this.hmacStrength = this.constructor.hmacStrength; + this.padLength = this.constructor.padLength / 8; + this.endian = 'big'; + + this._delta8 = this.blockSize / 8; + this._delta32 = this.blockSize / 32; +} +var BlockHash_1 = BlockHash; + +BlockHash.prototype.update = function update(msg, enc) { + // Convert message to array, pad it, and join into 32bit blocks + msg = utils$5.toArray(msg, enc); + if (!this.pending) + this.pending = msg; + else + this.pending = this.pending.concat(msg); + this.pendingTotal += msg.length; + + // Enough data, try updating + if (this.pending.length >= this._delta8) { + msg = this.pending; + + // Process pending data in blocks + var r = msg.length % this._delta8; + this.pending = msg.slice(msg.length - r, msg.length); + if (this.pending.length === 0) + this.pending = null; + + msg = utils$5.join32(msg, 0, msg.length - r, this.endian); + for (var i = 0; i < msg.length; i += this._delta32) + this._update(msg, i, i + this._delta32); + } + + return this; +}; + +BlockHash.prototype.digest = function digest(enc) { + this.update(this._pad()); + minimalisticAssert(this.pending === null); + + return this._digest(enc); +}; + +BlockHash.prototype._pad = function pad() { + var len = this.pendingTotal; + var bytes = this._delta8; + var k = bytes - ((len + this.padLength) % bytes); + var res = new Array(k + this.padLength); + res[0] = 0x80; + for (var i = 1; i < k; i++) + res[i] = 0; + + // Append length + len <<= 3; + if (this.endian === 'big') { + for (var t = 8; t < this.padLength; t++) + res[i++] = 0; + + res[i++] = 0; + res[i++] = 0; + res[i++] = 0; + res[i++] = 0; + res[i++] = (len >>> 24) & 0xff; + res[i++] = (len >>> 16) & 0xff; + res[i++] = (len >>> 8) & 0xff; + res[i++] = len & 0xff; + } else { + res[i++] = len & 0xff; + res[i++] = (len >>> 8) & 0xff; + res[i++] = (len >>> 16) & 0xff; + res[i++] = (len >>> 24) & 0xff; + res[i++] = 0; + res[i++] = 0; + res[i++] = 0; + res[i++] = 0; + + for (t = 8; t < this.padLength; t++) + res[i++] = 0; + } + + return res; +}; + +var common = { + BlockHash: BlockHash_1 +}; + +var rotr32$1 = utils$5.rotr32; + +function ft_1(s, x, y, z) { + if (s === 0) + return ch32(x, y, z); + if (s === 1 || s === 3) + return p32(x, y, z); + if (s === 2) + return maj32(x, y, z); +} +var ft_1_1 = ft_1; + +function ch32(x, y, z) { + return (x & y) ^ ((~x) & z); +} +var ch32_1 = ch32; + +function maj32(x, y, z) { + return (x & y) ^ (x & z) ^ (y & z); +} +var maj32_1 = maj32; + +function p32(x, y, z) { + return x ^ y ^ z; +} +var p32_1 = p32; + +function s0_256(x) { + return rotr32$1(x, 2) ^ rotr32$1(x, 13) ^ rotr32$1(x, 22); +} +var s0_256_1 = s0_256; + +function s1_256(x) { + return rotr32$1(x, 6) ^ rotr32$1(x, 11) ^ rotr32$1(x, 25); +} +var s1_256_1 = s1_256; + +function g0_256(x) { + return rotr32$1(x, 7) ^ rotr32$1(x, 18) ^ (x >>> 3); +} +var g0_256_1 = g0_256; + +function g1_256(x) { + return rotr32$1(x, 17) ^ rotr32$1(x, 19) ^ (x >>> 10); +} +var g1_256_1 = g1_256; + +var common$1 = { + ft_1: ft_1_1, + ch32: ch32_1, + maj32: maj32_1, + p32: p32_1, + s0_256: s0_256_1, + s1_256: s1_256_1, + g0_256: g0_256_1, + g1_256: g1_256_1 +}; + +var rotl32$1 = utils$5.rotl32; +var sum32$1 = utils$5.sum32; +var sum32_5$1 = utils$5.sum32_5; +var ft_1$1 = common$1.ft_1; +var BlockHash$1 = common.BlockHash; + +var sha1_K = [ + 0x5A827999, 0x6ED9EBA1, + 0x8F1BBCDC, 0xCA62C1D6 +]; + +function SHA1() { + if (!(this instanceof SHA1)) + return new SHA1(); + + BlockHash$1.call(this); + this.h = [ + 0x67452301, 0xefcdab89, 0x98badcfe, + 0x10325476, 0xc3d2e1f0 ]; + this.W = new Array(80); +} + +utils$5.inherits(SHA1, BlockHash$1); +var _1 = SHA1; + +SHA1.blockSize = 512; +SHA1.outSize = 160; +SHA1.hmacStrength = 80; +SHA1.padLength = 64; + +SHA1.prototype._update = function _update(msg, start) { + var W = this.W; + + for (var i = 0; i < 16; i++) + W[i] = msg[start + i]; + + for(; i < W.length; i++) + W[i] = rotl32$1(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1); + + var a = this.h[0]; + var b = this.h[1]; + var c = this.h[2]; + var d = this.h[3]; + var e = this.h[4]; + + for (i = 0; i < W.length; i++) { + var s = ~~(i / 20); + var t = sum32_5$1(rotl32$1(a, 5), ft_1$1(s, b, c, d), e, W[i], sha1_K[s]); + e = d; + d = c; + c = rotl32$1(b, 30); + b = a; + a = t; + } + + this.h[0] = sum32$1(this.h[0], a); + this.h[1] = sum32$1(this.h[1], b); + this.h[2] = sum32$1(this.h[2], c); + this.h[3] = sum32$1(this.h[3], d); + this.h[4] = sum32$1(this.h[4], e); +}; + +SHA1.prototype._digest = function digest(enc) { + if (enc === 'hex') + return utils$5.toHex32(this.h, 'big'); + else + return utils$5.split32(this.h, 'big'); +}; + +var sum32$2 = utils$5.sum32; +var sum32_4$1 = utils$5.sum32_4; +var sum32_5$2 = utils$5.sum32_5; +var ch32$1 = common$1.ch32; +var maj32$1 = common$1.maj32; +var s0_256$1 = common$1.s0_256; +var s1_256$1 = common$1.s1_256; +var g0_256$1 = common$1.g0_256; +var g1_256$1 = common$1.g1_256; + +var BlockHash$2 = common.BlockHash; + +var sha256_K = [ + 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, + 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5, + 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, + 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174, + 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, + 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, + 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, + 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967, + 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, + 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85, + 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, + 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070, + 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, + 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3, + 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, + 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2 +]; + +function SHA256() { + if (!(this instanceof SHA256)) + return new SHA256(); + + BlockHash$2.call(this); + this.h = [ + 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, + 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 + ]; + this.k = sha256_K; + this.W = new Array(64); +} +utils$5.inherits(SHA256, BlockHash$2); +var _256 = SHA256; + +SHA256.blockSize = 512; +SHA256.outSize = 256; +SHA256.hmacStrength = 192; +SHA256.padLength = 64; + +SHA256.prototype._update = function _update(msg, start) { + var W = this.W; + + for (var i = 0; i < 16; i++) + W[i] = msg[start + i]; + for (; i < W.length; i++) + W[i] = sum32_4$1(g1_256$1(W[i - 2]), W[i - 7], g0_256$1(W[i - 15]), W[i - 16]); + + var a = this.h[0]; + var b = this.h[1]; + var c = this.h[2]; + var d = this.h[3]; + var e = this.h[4]; + var f = this.h[5]; + var g = this.h[6]; + var h = this.h[7]; + + minimalisticAssert(this.k.length === W.length); + for (i = 0; i < W.length; i++) { + var T1 = sum32_5$2(h, s1_256$1(e), ch32$1(e, f, g), this.k[i], W[i]); + var T2 = sum32$2(s0_256$1(a), maj32$1(a, b, c)); + h = g; + g = f; + f = e; + e = sum32$2(d, T1); + d = c; + c = b; + b = a; + a = sum32$2(T1, T2); + } + + this.h[0] = sum32$2(this.h[0], a); + this.h[1] = sum32$2(this.h[1], b); + this.h[2] = sum32$2(this.h[2], c); + this.h[3] = sum32$2(this.h[3], d); + this.h[4] = sum32$2(this.h[4], e); + this.h[5] = sum32$2(this.h[5], f); + this.h[6] = sum32$2(this.h[6], g); + this.h[7] = sum32$2(this.h[7], h); +}; + +SHA256.prototype._digest = function digest(enc) { + if (enc === 'hex') + return utils$5.toHex32(this.h, 'big'); + else + return utils$5.split32(this.h, 'big'); +}; + +function SHA224() { + if (!(this instanceof SHA224)) + return new SHA224(); + + _256.call(this); + this.h = [ + 0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939, + 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4 ]; +} +utils$5.inherits(SHA224, _256); +var _224 = SHA224; + +SHA224.blockSize = 512; +SHA224.outSize = 224; +SHA224.hmacStrength = 192; +SHA224.padLength = 64; + +SHA224.prototype._digest = function digest(enc) { + // Just truncate output + if (enc === 'hex') + return utils$5.toHex32(this.h.slice(0, 7), 'big'); + else + return utils$5.split32(this.h.slice(0, 7), 'big'); +}; + +var rotr64_hi$1 = utils$5.rotr64_hi; +var rotr64_lo$1 = utils$5.rotr64_lo; +var shr64_hi$1 = utils$5.shr64_hi; +var shr64_lo$1 = utils$5.shr64_lo; +var sum64$1 = utils$5.sum64; +var sum64_hi$1 = utils$5.sum64_hi; +var sum64_lo$1 = utils$5.sum64_lo; +var sum64_4_hi$1 = utils$5.sum64_4_hi; +var sum64_4_lo$1 = utils$5.sum64_4_lo; +var sum64_5_hi$1 = utils$5.sum64_5_hi; +var sum64_5_lo$1 = utils$5.sum64_5_lo; + +var BlockHash$3 = common.BlockHash; + +var sha512_K = [ + 0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd, + 0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc, + 0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019, + 0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118, + 0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe, + 0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2, + 0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1, + 0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694, + 0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3, + 0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65, + 0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483, + 0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5, + 0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210, + 0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4, + 0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725, + 0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70, + 0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926, + 0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df, + 0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8, + 0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b, + 0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001, + 0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30, + 0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910, + 0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8, + 0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53, + 0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8, + 0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb, + 0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3, + 0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60, + 0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec, + 0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9, + 0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b, + 0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207, + 0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178, + 0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6, + 0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b, + 0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493, + 0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c, + 0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a, + 0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817 +]; + +function SHA512() { + if (!(this instanceof SHA512)) + return new SHA512(); + + BlockHash$3.call(this); + this.h = [ + 0x6a09e667, 0xf3bcc908, + 0xbb67ae85, 0x84caa73b, + 0x3c6ef372, 0xfe94f82b, + 0xa54ff53a, 0x5f1d36f1, + 0x510e527f, 0xade682d1, + 0x9b05688c, 0x2b3e6c1f, + 0x1f83d9ab, 0xfb41bd6b, + 0x5be0cd19, 0x137e2179 ]; + this.k = sha512_K; + this.W = new Array(160); +} +utils$5.inherits(SHA512, BlockHash$3); +var _512 = SHA512; + +SHA512.blockSize = 1024; +SHA512.outSize = 512; +SHA512.hmacStrength = 192; +SHA512.padLength = 128; + +SHA512.prototype._prepareBlock = function _prepareBlock(msg, start) { + var W = this.W; + + // 32 x 32bit words + for (var i = 0; i < 32; i++) + W[i] = msg[start + i]; + for (; i < W.length; i += 2) { + var c0_hi = g1_512_hi(W[i - 4], W[i - 3]); // i - 2 + var c0_lo = g1_512_lo(W[i - 4], W[i - 3]); + var c1_hi = W[i - 14]; // i - 7 + var c1_lo = W[i - 13]; + var c2_hi = g0_512_hi(W[i - 30], W[i - 29]); // i - 15 + var c2_lo = g0_512_lo(W[i - 30], W[i - 29]); + var c3_hi = W[i - 32]; // i - 16 + var c3_lo = W[i - 31]; + + W[i] = sum64_4_hi$1( + c0_hi, c0_lo, + c1_hi, c1_lo, + c2_hi, c2_lo, + c3_hi, c3_lo); + W[i + 1] = sum64_4_lo$1( + c0_hi, c0_lo, + c1_hi, c1_lo, + c2_hi, c2_lo, + c3_hi, c3_lo); + } +}; + +SHA512.prototype._update = function _update(msg, start) { + this._prepareBlock(msg, start); + + var W = this.W; + + var ah = this.h[0]; + var al = this.h[1]; + var bh = this.h[2]; + var bl = this.h[3]; + var ch = this.h[4]; + var cl = this.h[5]; + var dh = this.h[6]; + var dl = this.h[7]; + var eh = this.h[8]; + var el = this.h[9]; + var fh = this.h[10]; + var fl = this.h[11]; + var gh = this.h[12]; + var gl = this.h[13]; + var hh = this.h[14]; + var hl = this.h[15]; + + minimalisticAssert(this.k.length === W.length); + for (var i = 0; i < W.length; i += 2) { + var c0_hi = hh; + var c0_lo = hl; + var c1_hi = s1_512_hi(eh, el); + var c1_lo = s1_512_lo(eh, el); + var c2_hi = ch64_hi(eh, el, fh, fl, gh); + var c2_lo = ch64_lo(eh, el, fh, fl, gh, gl); + var c3_hi = this.k[i]; + var c3_lo = this.k[i + 1]; + var c4_hi = W[i]; + var c4_lo = W[i + 1]; + + var T1_hi = sum64_5_hi$1( + c0_hi, c0_lo, + c1_hi, c1_lo, + c2_hi, c2_lo, + c3_hi, c3_lo, + c4_hi, c4_lo); + var T1_lo = sum64_5_lo$1( + c0_hi, c0_lo, + c1_hi, c1_lo, + c2_hi, c2_lo, + c3_hi, c3_lo, + c4_hi, c4_lo); + + c0_hi = s0_512_hi(ah, al); + c0_lo = s0_512_lo(ah, al); + c1_hi = maj64_hi(ah, al, bh, bl, ch); + c1_lo = maj64_lo(ah, al, bh, bl, ch, cl); + + var T2_hi = sum64_hi$1(c0_hi, c0_lo, c1_hi, c1_lo); + var T2_lo = sum64_lo$1(c0_hi, c0_lo, c1_hi, c1_lo); + + hh = gh; + hl = gl; + + gh = fh; + gl = fl; + + fh = eh; + fl = el; + + eh = sum64_hi$1(dh, dl, T1_hi, T1_lo); + el = sum64_lo$1(dl, dl, T1_hi, T1_lo); + + dh = ch; + dl = cl; + + ch = bh; + cl = bl; + + bh = ah; + bl = al; + + ah = sum64_hi$1(T1_hi, T1_lo, T2_hi, T2_lo); + al = sum64_lo$1(T1_hi, T1_lo, T2_hi, T2_lo); + } + + sum64$1(this.h, 0, ah, al); + sum64$1(this.h, 2, bh, bl); + sum64$1(this.h, 4, ch, cl); + sum64$1(this.h, 6, dh, dl); + sum64$1(this.h, 8, eh, el); + sum64$1(this.h, 10, fh, fl); + sum64$1(this.h, 12, gh, gl); + sum64$1(this.h, 14, hh, hl); +}; + +SHA512.prototype._digest = function digest(enc) { + if (enc === 'hex') + return utils$5.toHex32(this.h, 'big'); + else + return utils$5.split32(this.h, 'big'); +}; + +function ch64_hi(xh, xl, yh, yl, zh) { + var r = (xh & yh) ^ ((~xh) & zh); + if (r < 0) + r += 0x100000000; + return r; +} + +function ch64_lo(xh, xl, yh, yl, zh, zl) { + var r = (xl & yl) ^ ((~xl) & zl); + if (r < 0) + r += 0x100000000; + return r; +} + +function maj64_hi(xh, xl, yh, yl, zh) { + var r = (xh & yh) ^ (xh & zh) ^ (yh & zh); + if (r < 0) + r += 0x100000000; + return r; +} + +function maj64_lo(xh, xl, yh, yl, zh, zl) { + var r = (xl & yl) ^ (xl & zl) ^ (yl & zl); + if (r < 0) + r += 0x100000000; + return r; +} + +function s0_512_hi(xh, xl) { + var c0_hi = rotr64_hi$1(xh, xl, 28); + var c1_hi = rotr64_hi$1(xl, xh, 2); // 34 + var c2_hi = rotr64_hi$1(xl, xh, 7); // 39 + + var r = c0_hi ^ c1_hi ^ c2_hi; + if (r < 0) + r += 0x100000000; + return r; +} + +function s0_512_lo(xh, xl) { + var c0_lo = rotr64_lo$1(xh, xl, 28); + var c1_lo = rotr64_lo$1(xl, xh, 2); // 34 + var c2_lo = rotr64_lo$1(xl, xh, 7); // 39 + + var r = c0_lo ^ c1_lo ^ c2_lo; + if (r < 0) + r += 0x100000000; + return r; +} + +function s1_512_hi(xh, xl) { + var c0_hi = rotr64_hi$1(xh, xl, 14); + var c1_hi = rotr64_hi$1(xh, xl, 18); + var c2_hi = rotr64_hi$1(xl, xh, 9); // 41 + + var r = c0_hi ^ c1_hi ^ c2_hi; + if (r < 0) + r += 0x100000000; + return r; +} + +function s1_512_lo(xh, xl) { + var c0_lo = rotr64_lo$1(xh, xl, 14); + var c1_lo = rotr64_lo$1(xh, xl, 18); + var c2_lo = rotr64_lo$1(xl, xh, 9); // 41 + + var r = c0_lo ^ c1_lo ^ c2_lo; + if (r < 0) + r += 0x100000000; + return r; +} + +function g0_512_hi(xh, xl) { + var c0_hi = rotr64_hi$1(xh, xl, 1); + var c1_hi = rotr64_hi$1(xh, xl, 8); + var c2_hi = shr64_hi$1(xh, xl, 7); + + var r = c0_hi ^ c1_hi ^ c2_hi; + if (r < 0) + r += 0x100000000; + return r; +} + +function g0_512_lo(xh, xl) { + var c0_lo = rotr64_lo$1(xh, xl, 1); + var c1_lo = rotr64_lo$1(xh, xl, 8); + var c2_lo = shr64_lo$1(xh, xl, 7); + + var r = c0_lo ^ c1_lo ^ c2_lo; + if (r < 0) + r += 0x100000000; + return r; +} + +function g1_512_hi(xh, xl) { + var c0_hi = rotr64_hi$1(xh, xl, 19); + var c1_hi = rotr64_hi$1(xl, xh, 29); // 61 + var c2_hi = shr64_hi$1(xh, xl, 6); + + var r = c0_hi ^ c1_hi ^ c2_hi; + if (r < 0) + r += 0x100000000; + return r; +} + +function g1_512_lo(xh, xl) { + var c0_lo = rotr64_lo$1(xh, xl, 19); + var c1_lo = rotr64_lo$1(xl, xh, 29); // 61 + var c2_lo = shr64_lo$1(xh, xl, 6); + + var r = c0_lo ^ c1_lo ^ c2_lo; + if (r < 0) + r += 0x100000000; + return r; +} + +function SHA384() { + if (!(this instanceof SHA384)) + return new SHA384(); + + _512.call(this); + this.h = [ + 0xcbbb9d5d, 0xc1059ed8, + 0x629a292a, 0x367cd507, + 0x9159015a, 0x3070dd17, + 0x152fecd8, 0xf70e5939, + 0x67332667, 0xffc00b31, + 0x8eb44a87, 0x68581511, + 0xdb0c2e0d, 0x64f98fa7, + 0x47b5481d, 0xbefa4fa4 ]; +} +utils$5.inherits(SHA384, _512); +var _384 = SHA384; + +SHA384.blockSize = 1024; +SHA384.outSize = 384; +SHA384.hmacStrength = 192; +SHA384.padLength = 128; + +SHA384.prototype._digest = function digest(enc) { + if (enc === 'hex') + return utils$5.toHex32(this.h.slice(0, 12), 'big'); + else + return utils$5.split32(this.h.slice(0, 12), 'big'); +}; + +var sha1$1 = _1; +var sha224$2 = _224; +var sha256$2 = _256; +var sha384$2 = _384; +var sha512$2 = _512; + +var sha$1 = { + sha1: sha1$1, + sha224: sha224$2, + sha256: sha256$2, + sha384: sha384$2, + sha512: sha512$2 +}; + +var rotl32$2 = utils$5.rotl32; +var sum32$3 = utils$5.sum32; +var sum32_3$1 = utils$5.sum32_3; +var sum32_4$2 = utils$5.sum32_4; +var BlockHash$4 = common.BlockHash; + +function RIPEMD160$1() { + if (!(this instanceof RIPEMD160$1)) + return new RIPEMD160$1(); + + BlockHash$4.call(this); + + this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 ]; + this.endian = 'little'; +} +utils$5.inherits(RIPEMD160$1, BlockHash$4); +var ripemd160$1 = RIPEMD160$1; + +RIPEMD160$1.blockSize = 512; +RIPEMD160$1.outSize = 160; +RIPEMD160$1.hmacStrength = 192; +RIPEMD160$1.padLength = 64; + +RIPEMD160$1.prototype._update = function update(msg, start) { + var A = this.h[0]; + var B = this.h[1]; + var C = this.h[2]; + var D = this.h[3]; + var E = this.h[4]; + var Ah = A; + var Bh = B; + var Ch = C; + var Dh = D; + var Eh = E; + for (var j = 0; j < 80; j++) { + var T = sum32$3( + rotl32$2( + sum32_4$2(A, f(j, B, C, D), msg[r$1[j] + start], K$4(j)), + s[j]), + E); + A = E; + E = D; + D = rotl32$2(C, 10); + C = B; + B = T; + T = sum32$3( + rotl32$2( + sum32_4$2(Ah, f(79 - j, Bh, Ch, Dh), msg[rh[j] + start], Kh(j)), + sh[j]), + Eh); + Ah = Eh; + Eh = Dh; + Dh = rotl32$2(Ch, 10); + Ch = Bh; + Bh = T; + } + T = sum32_3$1(this.h[1], C, Dh); + this.h[1] = sum32_3$1(this.h[2], D, Eh); + this.h[2] = sum32_3$1(this.h[3], E, Ah); + this.h[3] = sum32_3$1(this.h[4], A, Bh); + this.h[4] = sum32_3$1(this.h[0], B, Ch); + this.h[0] = T; +}; + +RIPEMD160$1.prototype._digest = function digest(enc) { + if (enc === 'hex') + return utils$5.toHex32(this.h, 'little'); + else + return utils$5.split32(this.h, 'little'); +}; + +function f(j, x, y, z) { + if (j <= 15) + return x ^ y ^ z; + else if (j <= 31) + return (x & y) | ((~x) & z); + else if (j <= 47) + return (x | (~y)) ^ z; + else if (j <= 63) + return (x & z) | (y & (~z)); + else + return x ^ (y | (~z)); +} + +function K$4(j) { + if (j <= 15) + return 0x00000000; + else if (j <= 31) + return 0x5a827999; + else if (j <= 47) + return 0x6ed9eba1; + else if (j <= 63) + return 0x8f1bbcdc; + else + return 0xa953fd4e; +} + +function Kh(j) { + if (j <= 15) + return 0x50a28be6; + else if (j <= 31) + return 0x5c4dd124; + else if (j <= 47) + return 0x6d703ef3; + else if (j <= 63) + return 0x7a6d76e9; + else + return 0x00000000; +} + +var r$1 = [ + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8, + 3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12, + 1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2, + 4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13 +]; + +var rh = [ + 5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12, + 6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2, + 15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13, + 8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14, + 12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11 +]; + +var s = [ + 11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8, + 7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12, + 11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5, + 11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12, + 9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6 +]; + +var sh = [ + 8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6, + 9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11, + 9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5, + 15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8, + 8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11 +]; + +var ripemd = { + ripemd160: ripemd160$1 +}; + +function Hmac$3(hash, key, enc) { + if (!(this instanceof Hmac$3)) + return new Hmac$3(hash, key, enc); + this.Hash = hash; + this.blockSize = hash.blockSize / 8; + this.outSize = hash.outSize / 8; + this.inner = null; + this.outer = null; + + this._init(utils$5.toArray(key, enc)); +} +var hmac = Hmac$3; + +Hmac$3.prototype._init = function init(key) { + // Shorten key, if needed + if (key.length > this.blockSize) + key = new this.Hash().update(key).digest(); + minimalisticAssert(key.length <= this.blockSize); + + // Add padding to key + for (var i = key.length; i < this.blockSize; i++) + key.push(0); + + for (i = 0; i < key.length; i++) + key[i] ^= 0x36; + this.inner = new this.Hash().update(key); + + // 0x36 ^ 0x5c = 0x6a + for (i = 0; i < key.length; i++) + key[i] ^= 0x6a; + this.outer = new this.Hash().update(key); +}; + +Hmac$3.prototype.update = function update(msg, enc) { + this.inner.update(msg, enc); + return this; +}; + +Hmac$3.prototype.digest = function digest(enc) { + this.outer.update(this.inner.digest()); + return this.outer.digest(enc); +}; + +var hash_1 = createCommonjsModule(function (module, exports) { +var hash = exports; + +hash.utils = utils$5; +hash.common = common; +hash.sha = sha$1; +hash.ripemd = ripemd; +hash.hmac = hmac; + +// Proxy hash functions to the main object +hash.sha1 = hash.sha.sha1; +hash.sha256 = hash.sha.sha256; +hash.sha224 = hash.sha.sha224; +hash.sha384 = hash.sha.sha384; +hash.sha512 = hash.sha.sha512; +hash.ripemd160 = hash.ripemd.ripemd160; +}); + +var secp256k1 = { + doubles: { + step: 4, + points: [ + [ + 'e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a', + 'f7e3507399e595929db99f34f57937101296891e44d23f0be1f32cce69616821' + ], + [ + '8282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508', + '11f8a8098557dfe45e8256e830b60ace62d613ac2f7b17bed31b6eaff6e26caf' + ], + [ + '175e159f728b865a72f99cc6c6fc846de0b93833fd2222ed73fce5b551e5b739', + 'd3506e0d9e3c79eba4ef97a51ff71f5eacb5955add24345c6efa6ffee9fed695' + ], + [ + '363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640', + '4e273adfc732221953b445397f3363145b9a89008199ecb62003c7f3bee9de9' + ], + [ + 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assert = elliptic_1.utils.assert; + +function PresetCurve(options) { + if (options.type === 'short') + this.curve = new elliptic_1.curve.short(options); + else if (options.type === 'edwards') + this.curve = new elliptic_1.curve.edwards(options); + else + this.curve = new elliptic_1.curve.mont(options); + this.g = this.curve.g; + this.n = this.curve.n; + this.hash = options.hash; + + assert(this.g.validate(), 'Invalid curve'); + assert(this.g.mul(this.n).isInfinity(), 'Invalid curve, G*N != O'); +} +curves.PresetCurve = PresetCurve; + +function defineCurve(name, options) { + Object.defineProperty(curves, name, { + configurable: true, + enumerable: true, + get: function() { + var curve = new PresetCurve(options); + Object.defineProperty(curves, name, { + configurable: true, + enumerable: true, + value: curve + }); + return curve; + } + }); +} + +defineCurve('p192', { + type: 'short', + prime: 'p192', + p: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff', + a: 'ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc', + b: '64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1', + n: 'ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831', + hash: hash_1.sha256, + gRed: false, + g: [ + '188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012', + '07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811' + ] +}); + +defineCurve('p224', { + type: 'short', + prime: 'p224', + p: 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001', + a: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe', + b: 'b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4', + n: 'ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d', + hash: hash_1.sha256, + gRed: false, + g: [ + 'b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21', + 'bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34' + ] +}); + +defineCurve('p256', { + type: 'short', + prime: null, + p: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff', + a: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc', + b: '5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b', + n: 'ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551', + hash: hash_1.sha256, + gRed: false, + g: [ + '6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296', + '4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5' + ] +}); + +defineCurve('p384', { + type: 'short', + prime: null, + p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' + + 'fffffffe ffffffff 00000000 00000000 ffffffff', + a: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' + + 'fffffffe ffffffff 00000000 00000000 fffffffc', + b: 'b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f ' + + '5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef', + n: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 ' + + 'f4372ddf 581a0db2 48b0a77a ecec196a ccc52973', + hash: hash_1.sha384, + gRed: false, + g: [ + 'aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 ' + + '5502f25d bf55296c 3a545e38 72760ab7', + '3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 ' + + '0a60b1ce 1d7e819d 7a431d7c 90ea0e5f' + ] +}); + +defineCurve('p521', { + type: 'short', + prime: null, + p: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' + + 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' + + 'ffffffff ffffffff ffffffff ffffffff ffffffff', + a: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' + + 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' + + 'ffffffff ffffffff ffffffff ffffffff fffffffc', + b: '00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b ' + + '99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd ' + + '3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00', + n: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' + + 'ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 ' + + 'f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409', + hash: hash_1.sha512, + gRed: false, + g: [ + '000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 ' + + '053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 ' + + 'a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66', + '00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 ' + + '579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 ' + + '3fad0761 353c7086 a272c240 88be9476 9fd16650' + ] +}); + +defineCurve('curve25519', { + type: 'mont', + prime: 'p25519', + p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed', + a: '76d06', + b: '1', + n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed', + hash: hash_1.sha256, + gRed: false, + g: [ + '9' + ] +}); + +defineCurve('ed25519', { + type: 'edwards', + prime: 'p25519', + p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed', + a: '-1', + c: '1', + // -121665 * (121666^(-1)) (mod P) + d: '52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3', + n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed', + hash: hash_1.sha256, + gRed: false, + g: [ + '216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a', + + // 4/5 + '6666666666666666666666666666666666666666666666666666666666666658' + ] +}); + +var pre; +try { + pre = secp256k1; +} catch (e) { + pre = undefined; +} + +defineCurve('secp256k1', { + type: 'short', + prime: 'k256', + p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f', + a: '0', + b: '7', + n: 'ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141', + h: '1', + hash: hash_1.sha256, + + // Precomputed endomorphism + beta: '7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee', + lambda: '5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72', + basis: [ + { + a: '3086d221a7d46bcde86c90e49284eb15', + b: '-e4437ed6010e88286f547fa90abfe4c3' + }, + { + a: '114ca50f7a8e2f3f657c1108d9d44cfd8', + b: '3086d221a7d46bcde86c90e49284eb15' + } + ], + + gRed: false, + g: [ + '79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798', + '483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8', + pre + ] +}); +}); + +function HmacDRBG(options) { + if (!(this instanceof HmacDRBG)) + return new HmacDRBG(options); + this.hash = options.hash; + this.predResist = !!options.predResist; + + this.outLen = this.hash.outSize; + this.minEntropy = options.minEntropy || this.hash.hmacStrength; + + this._reseed = null; + this.reseedInterval = null; + this.K = null; + this.V = null; + + var entropy = utils_1.toArray(options.entropy, options.entropyEnc || 'hex'); + var nonce = utils_1.toArray(options.nonce, options.nonceEnc || 'hex'); + var pers = utils_1.toArray(options.pers, options.persEnc || 'hex'); + minimalisticAssert(entropy.length >= (this.minEntropy / 8), + 'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits'); + this._init(entropy, nonce, pers); +} +var hmacDrbg = HmacDRBG; + +HmacDRBG.prototype._init = function init(entropy, nonce, pers) { + var seed = entropy.concat(nonce).concat(pers); + + this.K = new Array(this.outLen / 8); + this.V = new Array(this.outLen / 8); + for (var i = 0; i < this.V.length; i++) { + this.K[i] = 0x00; + this.V[i] = 0x01; + } + + this._update(seed); + this._reseed = 1; + this.reseedInterval = 0x1000000000000; // 2^48 +}; + +HmacDRBG.prototype._hmac = function hmac() { + return new hash_1.hmac(this.hash, this.K); +}; + +HmacDRBG.prototype._update = function update(seed) { + var kmac = this._hmac() + .update(this.V) + .update([ 0x00 ]); + if (seed) + kmac = kmac.update(seed); + this.K = kmac.digest(); + this.V = this._hmac().update(this.V).digest(); + if (!seed) + return; + + this.K = this._hmac() + .update(this.V) + .update([ 0x01 ]) + .update(seed) + .digest(); + this.V = this._hmac().update(this.V).digest(); +}; + +HmacDRBG.prototype.reseed = function reseed(entropy, entropyEnc, add, addEnc) { + // Optional entropy enc + if (typeof entropyEnc !== 'string') { + addEnc = add; + add = entropyEnc; + entropyEnc = null; + } + + entropy = utils_1.toArray(entropy, entropyEnc); + add = utils_1.toArray(add, addEnc); + + minimalisticAssert(entropy.length >= (this.minEntropy / 8), + 'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits'); + + this._update(entropy.concat(add || [])); + this._reseed = 1; +}; + +HmacDRBG.prototype.generate = function generate(len, enc, add, addEnc) { + if (this._reseed > this.reseedInterval) + throw new Error('Reseed is required'); + + // Optional encoding + if (typeof enc !== 'string') { + addEnc = add; + add = enc; + enc = null; + } + + // Optional additional data + if (add) { + add = utils_1.toArray(add, addEnc || 'hex'); + this._update(add); + } + + var temp = []; + while (temp.length < len) { + this.V = this._hmac().update(this.V).digest(); + temp = temp.concat(this.V); + } + + var res = temp.slice(0, len); + this._update(add); + this._reseed++; + return utils_1.encode(res, enc); +}; + +var utils$6 = elliptic_1.utils; +var assert$4 = utils$6.assert; + +function KeyPair(ec, options) { + this.ec = ec; + this.priv = null; + this.pub = null; + + // KeyPair(ec, { priv: ..., pub: ... }) + if (options.priv) + this._importPrivate(options.priv, options.privEnc); + if (options.pub) + this._importPublic(options.pub, options.pubEnc); +} +var key$1 = KeyPair; + +KeyPair.fromPublic = function fromPublic(ec, pub, enc) { + if (pub instanceof KeyPair) + return pub; + + return new KeyPair(ec, { + pub: pub, + pubEnc: enc + }); +}; + +KeyPair.fromPrivate = function fromPrivate(ec, priv, enc) { + if (priv instanceof KeyPair) + return priv; + + return new KeyPair(ec, { + priv: priv, + privEnc: enc + }); +}; + +KeyPair.prototype.validate = function validate() { + var pub = this.getPublic(); + + if (pub.isInfinity()) + return { result: false, reason: 'Invalid public key' }; + if (!pub.validate()) + return { result: false, reason: 'Public key is not a point' }; + if (!pub.mul(this.ec.curve.n).isInfinity()) + return { result: false, reason: 'Public key * N != O' }; + + return { result: true, reason: null }; +}; + +KeyPair.prototype.getPublic = function getPublic(compact, enc) { + // compact is optional argument + if (typeof compact === 'string') { + enc = compact; + compact = null; + } + + if (!this.pub) + this.pub = this.ec.g.mul(this.priv); + + if (!enc) + return this.pub; + + return this.pub.encode(enc, compact); +}; + +KeyPair.prototype.getPrivate = function getPrivate(enc) { + if (enc === 'hex') + return this.priv.toString(16, 2); + else + return this.priv; +}; + +KeyPair.prototype._importPrivate = function _importPrivate(key, enc) { + this.priv = new bn(key, enc || 16); + + // Ensure that the priv won't be bigger than n, otherwise we may fail + // in fixed multiplication method + this.priv = this.priv.umod(this.ec.curve.n); +}; + +KeyPair.prototype._importPublic = function _importPublic(key, enc) { + if (key.x || key.y) { + // Montgomery points only have an `x` coordinate. + // Weierstrass/Edwards points on the other hand have both `x` and + // `y` coordinates. + if (this.ec.curve.type === 'mont') { + assert$4(key.x, 'Need x coordinate'); + } else if (this.ec.curve.type === 'short' || + this.ec.curve.type === 'edwards') { + assert$4(key.x && key.y, 'Need both x and y coordinate'); + } + this.pub = this.ec.curve.point(key.x, key.y); + return; + } + this.pub = this.ec.curve.decodePoint(key, enc); +}; + +// ECDH +KeyPair.prototype.derive = function derive(pub) { + return pub.mul(this.priv).getX(); +}; + +// ECDSA +KeyPair.prototype.sign = function sign(msg, enc, options) { + return this.ec.sign(msg, this, enc, options); +}; + +KeyPair.prototype.verify = function verify(msg, signature) { + return this.ec.verify(msg, signature, this); +}; + +KeyPair.prototype.inspect = function inspect() { + return '<Key priv: ' + (this.priv && this.priv.toString(16, 2)) + + ' pub: ' + (this.pub && this.pub.inspect()) + ' >'; +}; + +var utils$7 = elliptic_1.utils; +var assert$5 = utils$7.assert; + +function Signature(options, enc) { + if (options instanceof Signature) + return options; + + if (this._importDER(options, enc)) + return; + + assert$5(options.r && options.s, 'Signature without r or s'); + this.r = new bn(options.r, 16); + this.s = new bn(options.s, 16); + if (options.recoveryParam === undefined) + this.recoveryParam = null; + else + this.recoveryParam = options.recoveryParam; +} +var signature = Signature; + +function Position() { + this.place = 0; +} + +function getLength(buf, p) { + var initial = buf[p.place++]; + if (!(initial & 0x80)) { + return initial; + } + var octetLen = initial & 0xf; + var val = 0; + for (var i = 0, off = p.place; i < octetLen; i++, off++) { + val <<= 8; + val |= buf[off]; + } + p.place = off; + return val; +} + +function rmPadding(buf) { + var i = 0; + var len = buf.length - 1; + while (!buf[i] && !(buf[i + 1] & 0x80) && i < len) { + i++; + } + if (i === 0) { + return buf; + } + return buf.slice(i); +} + +Signature.prototype._importDER = function _importDER(data, enc) { + data = utils$7.toArray(data, enc); + var p = new Position(); + if (data[p.place++] !== 0x30) { + return false; + } + var len = getLength(data, p); + if ((len + p.place) !== data.length) { + return false; + } + if (data[p.place++] !== 0x02) { + return false; + } + var rlen = getLength(data, p); + var r = data.slice(p.place, rlen + p.place); + p.place += rlen; + if (data[p.place++] !== 0x02) { + return false; + } + var slen = getLength(data, p); + if (data.length !== slen + p.place) { + return false; + } + var s = data.slice(p.place, slen + p.place); + if (r[0] === 0 && (r[1] & 0x80)) { + r = r.slice(1); + } + if (s[0] === 0 && (s[1] & 0x80)) { + s = s.slice(1); + } + + this.r = new bn(r); + this.s = new bn(s); + this.recoveryParam = null; + + return true; +}; + +function constructLength(arr, len) { + if (len < 0x80) { + arr.push(len); + return; + } + var octets = 1 + (Math.log(len) / Math.LN2 >>> 3); + arr.push(octets | 0x80); + while (--octets) { + arr.push((len >>> (octets << 3)) & 0xff); + } + arr.push(len); +} + +Signature.prototype.toDER = function toDER(enc) { + var r = this.r.toArray(); + var s = this.s.toArray(); + + // Pad values + if (r[0] & 0x80) + r = [ 0 ].concat(r); + // Pad values + if (s[0] & 0x80) + s = [ 0 ].concat(s); + + r = rmPadding(r); + s = rmPadding(s); + + while (!s[0] && !(s[1] & 0x80)) { + s = s.slice(1); + } + var arr = [ 0x02 ]; + constructLength(arr, r.length); + arr = arr.concat(r); + arr.push(0x02); + constructLength(arr, s.length); + var backHalf = arr.concat(s); + var res = [ 0x30 ]; + constructLength(res, backHalf.length); + res = res.concat(backHalf); + return utils$7.encode(res, enc); +}; + +var utils$8 = elliptic_1.utils; +var assert$6 = utils$8.assert; + + + + +function EC(options) { + if (!(this instanceof EC)) + return new EC(options); + + // Shortcut `elliptic.ec(curve-name)` + if (typeof options === 'string') { + assert$6(elliptic_1.curves.hasOwnProperty(options), 'Unknown curve ' + options); + + options = elliptic_1.curves[options]; + } + + // Shortcut for `elliptic.ec(elliptic.curves.curveName)` + if (options instanceof elliptic_1.curves.PresetCurve) + options = { curve: options }; + + this.curve = options.curve.curve; + this.n = this.curve.n; + this.nh = this.n.ushrn(1); + this.g = this.curve.g; + + // Point on curve + this.g = options.curve.g; + this.g.precompute(options.curve.n.bitLength() + 1); + + // Hash for function for DRBG + this.hash = options.hash || options.curve.hash; +} +var ec = EC; + +EC.prototype.keyPair = function keyPair(options) { + return new key$1(this, options); +}; + +EC.prototype.keyFromPrivate = function keyFromPrivate(priv, enc) { + return key$1.fromPrivate(this, priv, enc); +}; + +EC.prototype.keyFromPublic = function keyFromPublic(pub, enc) { + return key$1.fromPublic(this, pub, enc); +}; + +EC.prototype.genKeyPair = function genKeyPair(options) { + if (!options) + options = {}; + + // Instantiate Hmac_DRBG + var drbg = new hmacDrbg({ + hash: this.hash, + pers: options.pers, + persEnc: options.persEnc || 'utf8', + entropy: options.entropy || elliptic_1.rand(this.hash.hmacStrength), + entropyEnc: options.entropy && options.entropyEnc || 'utf8', + nonce: this.n.toArray() + }); + + var bytes = this.n.byteLength(); + var ns2 = this.n.sub(new bn(2)); + do { + var priv = new bn(drbg.generate(bytes)); + if (priv.cmp(ns2) > 0) + continue; + + priv.iaddn(1); + return this.keyFromPrivate(priv); + } while (true); +}; + +EC.prototype._truncateToN = function truncateToN(msg, truncOnly) { + var delta = msg.byteLength() * 8 - this.n.bitLength(); + if (delta > 0) + msg = msg.ushrn(delta); + if (!truncOnly && msg.cmp(this.n) >= 0) + return msg.sub(this.n); + else + return msg; +}; + +EC.prototype.sign = function sign(msg, key, enc, options) { + if (typeof enc === 'object') { + options = enc; + enc = null; + } + if (!options) + options = {}; + + key = this.keyFromPrivate(key, enc); + msg = this._truncateToN(new bn(msg, 16)); + + // Zero-extend key to provide enough entropy + var bytes = this.n.byteLength(); + var bkey = key.getPrivate().toArray('be', bytes); + + // Zero-extend nonce to have the same byte size as N + var nonce = msg.toArray('be', bytes); + + // Instantiate Hmac_DRBG + var drbg = new hmacDrbg({ + hash: this.hash, + entropy: bkey, + nonce: nonce, + pers: options.pers, + persEnc: options.persEnc || 'utf8' + }); + + // Number of bytes to generate + var ns1 = this.n.sub(new bn(1)); + + for (var iter = 0; true; iter++) { + var k = options.k ? + options.k(iter) : + new bn(drbg.generate(this.n.byteLength())); + k = this._truncateToN(k, true); + if (k.cmpn(1) <= 0 || k.cmp(ns1) >= 0) + continue; + + var kp = this.g.mul(k); + if (kp.isInfinity()) + continue; + + var kpX = kp.getX(); + var r = kpX.umod(this.n); + if (r.cmpn(0) === 0) + continue; + + var s = k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg)); + s = s.umod(this.n); + if (s.cmpn(0) === 0) + continue; + + var recoveryParam = (kp.getY().isOdd() ? 1 : 0) | + (kpX.cmp(r) !== 0 ? 2 : 0); + + // Use complement of `s`, if it is > `n / 2` + if (options.canonical && s.cmp(this.nh) > 0) { + s = this.n.sub(s); + recoveryParam ^= 1; + } + + return new signature({ r: r, s: s, recoveryParam: recoveryParam }); + } +}; + +EC.prototype.verify = function verify(msg, signature$1, key, enc) { + msg = this._truncateToN(new bn(msg, 16)); + key = this.keyFromPublic(key, enc); + signature$1 = new signature(signature$1, 'hex'); + + // Perform primitive values validation + var r = signature$1.r; + var s = signature$1.s; + if (r.cmpn(1) < 0 || r.cmp(this.n) >= 0) + return false; + if (s.cmpn(1) < 0 || s.cmp(this.n) >= 0) + return false; + + // Validate signature + var sinv = s.invm(this.n); + var u1 = sinv.mul(msg).umod(this.n); + var u2 = sinv.mul(r).umod(this.n); + + if (!this.curve._maxwellTrick) { + var p = this.g.mulAdd(u1, key.getPublic(), u2); + if (p.isInfinity()) + return false; + + return p.getX().umod(this.n).cmp(r) === 0; + } + + // NOTE: Greg Maxwell's trick, inspired by: + // https://git.io/vad3K + + var p = this.g.jmulAdd(u1, key.getPublic(), u2); + if (p.isInfinity()) + return false; + + // Compare `p.x` of Jacobian point with `r`, + // this will do `p.x == r * p.z^2` instead of multiplying `p.x` by the + // inverse of `p.z^2` + return p.eqXToP(r); +}; + +EC.prototype.recoverPubKey = function(msg, signature$1, j, enc) { + assert$6((3 & j) === j, 'The recovery param is more than two bits'); + signature$1 = new signature(signature$1, enc); + + var n = this.n; + var e = new bn(msg); + var r = signature$1.r; + var s = signature$1.s; + + // A set LSB signifies that the y-coordinate is odd + var isYOdd = j & 1; + var isSecondKey = j >> 1; + if (r.cmp(this.curve.p.umod(this.curve.n)) >= 0 && isSecondKey) + throw new Error('Unable to find sencond key candinate'); + + // 1.1. Let x = r + jn. + if (isSecondKey) + r = this.curve.pointFromX(r.add(this.curve.n), isYOdd); + else + r = this.curve.pointFromX(r, isYOdd); + + var rInv = signature$1.r.invm(n); + var s1 = n.sub(e).mul(rInv).umod(n); + var s2 = s.mul(rInv).umod(n); + + // 1.6.1 Compute Q = r^-1 (sR - eG) + // Q = r^-1 (sR + -eG) + return this.g.mulAdd(s1, r, s2); +}; + +EC.prototype.getKeyRecoveryParam = function(e, signature$1, Q, enc) { + signature$1 = new signature(signature$1, enc); + if (signature$1.recoveryParam !== null) + return signature$1.recoveryParam; + + for (var i = 0; i < 4; i++) { + var Qprime; + try { + Qprime = this.recoverPubKey(e, signature$1, i); + } catch (e) { + continue; + } + + if (Qprime.eq(Q)) + return i; + } + throw new Error('Unable to find valid recovery factor'); +}; + +var utils$9 = elliptic_1.utils; +var assert$7 = utils$9.assert; +var parseBytes = utils$9.parseBytes; +var cachedProperty = utils$9.cachedProperty; + +/** +* @param {EDDSA} eddsa - instance +* @param {Object} params - public/private key parameters +* +* @param {Array<Byte>} [params.secret] - secret seed bytes +* @param {Point} [params.pub] - public key point (aka `A` in eddsa terms) +* @param {Array<Byte>} [params.pub] - public key point encoded as bytes +* +*/ +function KeyPair$1(eddsa, params) { + this.eddsa = eddsa; + this._secret = parseBytes(params.secret); + if (eddsa.isPoint(params.pub)) + this._pub = params.pub; + else + this._pubBytes = parseBytes(params.pub); +} + +KeyPair$1.fromPublic = function fromPublic(eddsa, pub) { + if (pub instanceof KeyPair$1) + return pub; + return new KeyPair$1(eddsa, { pub: pub }); +}; + +KeyPair$1.fromSecret = function fromSecret(eddsa, secret) { + if (secret instanceof KeyPair$1) + return secret; + return new KeyPair$1(eddsa, { secret: secret }); +}; + +KeyPair$1.prototype.secret = function secret() { + return this._secret; +}; + +cachedProperty(KeyPair$1, 'pubBytes', function pubBytes() { + return this.eddsa.encodePoint(this.pub()); +}); + +cachedProperty(KeyPair$1, 'pub', function pub() { + if (this._pubBytes) + return this.eddsa.decodePoint(this._pubBytes); + return this.eddsa.g.mul(this.priv()); +}); + +cachedProperty(KeyPair$1, 'privBytes', function privBytes() { + var eddsa = this.eddsa; + var hash = this.hash(); + var lastIx = eddsa.encodingLength - 1; + + var a = hash.slice(0, eddsa.encodingLength); + a[0] &= 248; + a[lastIx] &= 127; + a[lastIx] |= 64; + + return a; +}); + +cachedProperty(KeyPair$1, 'priv', function priv() { + return this.eddsa.decodeInt(this.privBytes()); +}); + +cachedProperty(KeyPair$1, 'hash', function hash() { + return this.eddsa.hash().update(this.secret()).digest(); +}); + +cachedProperty(KeyPair$1, 'messagePrefix', function messagePrefix() { + return this.hash().slice(this.eddsa.encodingLength); +}); + +KeyPair$1.prototype.sign = function sign(message) { + assert$7(this._secret, 'KeyPair can only verify'); + return this.eddsa.sign(message, this); +}; + +KeyPair$1.prototype.verify = function verify(message, sig) { + return this.eddsa.verify(message, sig, this); +}; + +KeyPair$1.prototype.getSecret = function getSecret(enc) { + assert$7(this._secret, 'KeyPair is public only'); + return utils$9.encode(this.secret(), enc); +}; + +KeyPair$1.prototype.getPublic = function getPublic(enc) { + return utils$9.encode(this.pubBytes(), enc); +}; + +var key$2 = KeyPair$1; + +var utils$a = elliptic_1.utils; +var assert$8 = utils$a.assert; +var cachedProperty$1 = utils$a.cachedProperty; +var parseBytes$1 = utils$a.parseBytes; + +/** +* @param {EDDSA} eddsa - eddsa instance +* @param {Array<Bytes>|Object} sig - +* @param {Array<Bytes>|Point} [sig.R] - R point as Point or bytes +* @param {Array<Bytes>|bn} [sig.S] - S scalar as bn or bytes +* @param {Array<Bytes>} [sig.Rencoded] - R point encoded +* @param {Array<Bytes>} [sig.Sencoded] - S scalar encoded +*/ +function Signature$1(eddsa, sig) { + this.eddsa = eddsa; + + if (typeof sig !== 'object') + sig = parseBytes$1(sig); + + if (Array.isArray(sig)) { + sig = { + R: sig.slice(0, eddsa.encodingLength), + S: sig.slice(eddsa.encodingLength) + }; + } + + assert$8(sig.R && sig.S, 'Signature without R or S'); + + if (eddsa.isPoint(sig.R)) + this._R = sig.R; + if (sig.S instanceof bn) + this._S = sig.S; + + this._Rencoded = Array.isArray(sig.R) ? sig.R : sig.Rencoded; + this._Sencoded = Array.isArray(sig.S) ? sig.S : sig.Sencoded; +} + +cachedProperty$1(Signature$1, 'S', function S() { + return this.eddsa.decodeInt(this.Sencoded()); +}); + +cachedProperty$1(Signature$1, 'R', function R() { + return this.eddsa.decodePoint(this.Rencoded()); +}); + +cachedProperty$1(Signature$1, 'Rencoded', function Rencoded() { + return this.eddsa.encodePoint(this.R()); +}); + +cachedProperty$1(Signature$1, 'Sencoded', function Sencoded() { + return this.eddsa.encodeInt(this.S()); +}); + +Signature$1.prototype.toBytes = function toBytes() { + return this.Rencoded().concat(this.Sencoded()); +}; + +Signature$1.prototype.toHex = function toHex() { + return utils$a.encode(this.toBytes(), 'hex').toUpperCase(); +}; + +var signature$1 = Signature$1; + +var utils$b = elliptic_1.utils; +var assert$9 = utils$b.assert; +var parseBytes$2 = utils$b.parseBytes; + + + +function EDDSA(curve) { + assert$9(curve === 'ed25519', 'only tested with ed25519 so far'); + + if (!(this instanceof EDDSA)) + return new EDDSA(curve); + + var curve = elliptic_1.curves[curve].curve; + this.curve = curve; + this.g = curve.g; + this.g.precompute(curve.n.bitLength() + 1); + + this.pointClass = curve.point().constructor; + this.encodingLength = Math.ceil(curve.n.bitLength() / 8); + this.hash = hash_1.sha512; +} + +var eddsa = EDDSA; + +/** +* @param {Array|String} message - message bytes +* @param {Array|String|KeyPair} secret - secret bytes or a keypair +* @returns {Signature} - signature +*/ +EDDSA.prototype.sign = function sign(message, secret) { + message = parseBytes$2(message); + var key = this.keyFromSecret(secret); + var r = this.hashInt(key.messagePrefix(), message); + var R = this.g.mul(r); + var Rencoded = this.encodePoint(R); + var s_ = this.hashInt(Rencoded, key.pubBytes(), message) + .mul(key.priv()); + var S = r.add(s_).umod(this.curve.n); + return this.makeSignature({ R: R, S: S, Rencoded: Rencoded }); +}; + +/** +* @param {Array} message - message bytes +* @param {Array|String|Signature} sig - sig bytes +* @param {Array|String|Point|KeyPair} pub - public key +* @returns {Boolean} - true if public key matches sig of message +*/ +EDDSA.prototype.verify = function verify(message, sig, pub) { + message = parseBytes$2(message); + sig = this.makeSignature(sig); + var key = this.keyFromPublic(pub); + var h = this.hashInt(sig.Rencoded(), key.pubBytes(), message); + var SG = this.g.mul(sig.S()); + var RplusAh = sig.R().add(key.pub().mul(h)); + return RplusAh.eq(SG); +}; + +EDDSA.prototype.hashInt = function hashInt() { + var hash = this.hash(); + for (var i = 0; i < arguments.length; i++) + hash.update(arguments[i]); + return utils$b.intFromLE(hash.digest()).umod(this.curve.n); +}; + +EDDSA.prototype.keyFromPublic = function keyFromPublic(pub) { + return key$2.fromPublic(this, pub); +}; + +EDDSA.prototype.keyFromSecret = function keyFromSecret(secret) { + return key$2.fromSecret(this, secret); +}; + +EDDSA.prototype.makeSignature = function makeSignature(sig) { + if (sig instanceof signature$1) + return sig; + return new signature$1(this, sig); +}; + +/** +* * https://tools.ietf.org/html/draft-josefsson-eddsa-ed25519-03#section-5.2 +* +* EDDSA defines methods for encoding and decoding points and integers. These are +* helper convenience methods, that pass along to utility functions implied +* parameters. +* +*/ +EDDSA.prototype.encodePoint = function encodePoint(point) { + var enc = point.getY().toArray('le', this.encodingLength); + enc[this.encodingLength - 1] |= point.getX().isOdd() ? 0x80 : 0; + return enc; +}; + +EDDSA.prototype.decodePoint = function decodePoint(bytes) { + bytes = utils$b.parseBytes(bytes); + + var lastIx = bytes.length - 1; + var normed = bytes.slice(0, lastIx).concat(bytes[lastIx] & ~0x80); + var xIsOdd = (bytes[lastIx] & 0x80) !== 0; + + var y = utils$b.intFromLE(normed); + return this.curve.pointFromY(y, xIsOdd); +}; + +EDDSA.prototype.encodeInt = function encodeInt(num) { + return num.toArray('le', this.encodingLength); +}; + +EDDSA.prototype.decodeInt = function decodeInt(bytes) { + return utils$b.intFromLE(bytes); +}; + +EDDSA.prototype.isPoint = function isPoint(val) { + return val instanceof this.pointClass; +}; + +var require$$0 = getCjsExportFromNamespace(_package$1); + +var elliptic_1 = createCommonjsModule(function (module, exports) { + +var elliptic = exports; + +elliptic.version = require$$0.version; +elliptic.utils = utils_1$1; +elliptic.rand = brorand; +elliptic.curve = curve_1; +elliptic.curves = curves_1; + +// Protocols +elliptic.ec = ec; +elliptic.eddsa = eddsa; +}); + +var api_1 = createCommonjsModule(function (module, exports) { +var api = exports; + +api.define = function define(name, body) { + return new Entity(name, body); +}; + +function Entity(name, body) { + this.name = name; + this.body = body; + + this.decoders = {}; + this.encoders = {}; +} +Entity.prototype._createNamed = function createNamed(base) { + var named; + try { + named = vm.runInThisContext( + '(function ' + this.name + '(entity) {\n' + + ' this._initNamed(entity);\n' + + '})' + ); + } catch (e) { + named = function (entity) { + this._initNamed(entity); + }; + } + inherits_browser(named, base); + named.prototype._initNamed = function initnamed(entity) { + base.call(this, entity); + }; + + return new named(this); +}; + +Entity.prototype._getDecoder = function _getDecoder(enc) { + enc = enc || 'der'; + // Lazily create decoder + if (!this.decoders.hasOwnProperty(enc)) + this.decoders[enc] = this._createNamed(asn1_1.decoders[enc]); + return this.decoders[enc]; +}; + +Entity.prototype.decode = function decode(data, enc, options) { + return this._getDecoder(enc).decode(data, options); +}; + +Entity.prototype._getEncoder = function _getEncoder(enc) { + enc = enc || 'der'; + // Lazily create encoder + if (!this.encoders.hasOwnProperty(enc)) + this.encoders[enc] = this._createNamed(asn1_1.encoders[enc]); + return this.encoders[enc]; +}; + +Entity.prototype.encode = function encode(data, enc, /* internal */ reporter) { + return this._getEncoder(enc).encode(data, reporter); +}; +}); + +function Reporter(options) { + this._reporterState = { + obj: null, + path: [], + options: options || {}, + errors: [] + }; +} +var Reporter_1 = Reporter; + +Reporter.prototype.isError = function isError(obj) { + return obj instanceof ReporterError; 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+ if (Error.captureStackTrace) + Error.captureStackTrace(this, ReporterError); + + if (!this.stack) { + try { + // IE only adds stack when thrown + throw new Error(this.message); + } catch (e) { + this.stack = e.stack; + } + } + return this; +}; + +var reporter = { + Reporter: Reporter_1 +}; + +var Reporter$1 = base_1.Reporter; +var Buffer$s = buffer$1.Buffer; + +function DecoderBuffer(base, options) { + Reporter$1.call(this, options); + if (!Buffer$s.isBuffer(base)) { + this.error('Input not Buffer'); + return; + } + + this.base = base; + this.offset = 0; + this.length = base.length; +} +inherits_browser(DecoderBuffer, Reporter$1); +var DecoderBuffer_1 = DecoderBuffer; + +DecoderBuffer.prototype.save = function save() { + return { offset: this.offset, reporter: Reporter$1.prototype.save.call(this) }; +}; + +DecoderBuffer.prototype.restore = function restore(save) { + // Return skipped data + var res = new DecoderBuffer(this.base); + res.offset = save.offset; + res.length = this.offset; + + this.offset = save.offset; + Reporter$1.prototype.restore.call(this, save.reporter); + + return res; +}; + +DecoderBuffer.prototype.isEmpty = function isEmpty() { + return this.offset === this.length; +}; + +DecoderBuffer.prototype.readUInt8 = function readUInt8(fail) { + if (this.offset + 1 <= this.length) + return this.base.readUInt8(this.offset++, true); + else + return this.error(fail || 'DecoderBuffer overrun'); +}; + +DecoderBuffer.prototype.skip = function skip(bytes, fail) { + if (!(this.offset + bytes <= this.length)) + return this.error(fail || 'DecoderBuffer overrun'); + + var res = new DecoderBuffer(this.base); + + // Share reporter state + res._reporterState = this._reporterState; + + res.offset = this.offset; + res.length = this.offset + bytes; + this.offset += bytes; + return res; +}; + +DecoderBuffer.prototype.raw = function raw(save) { + return this.base.slice(save ? save.offset : this.offset, this.length); +}; + +function EncoderBuffer(value, reporter) { + if (Array.isArray(value)) { + this.length = 0; + this.value = value.map(function(item) { + if (!(item instanceof EncoderBuffer)) + item = new EncoderBuffer(item, reporter); + this.length += item.length; + return item; + }, this); + } else if (typeof value === 'number') { + if (!(0 <= value && value <= 0xff)) + return reporter.error('non-byte EncoderBuffer value'); + this.value = value; + this.length = 1; + } else if (typeof value === 'string') { + this.value = value; + this.length = Buffer$s.byteLength(value); + } else if (Buffer$s.isBuffer(value)) { + this.value = value; + this.length = value.length; + } else { + return reporter.error('Unsupported type: ' + typeof value); + } +} +var EncoderBuffer_1 = EncoderBuffer; + +EncoderBuffer.prototype.join = function join(out, offset) { + if (!out) + out = new Buffer$s(this.length); + if (!offset) + offset = 0; + + if (this.length === 0) + return out; + + if (Array.isArray(this.value)) { + this.value.forEach(function(item) { + item.join(out, offset); + offset += item.length; + }); + } else { + if (typeof this.value === 'number') + out[offset] = this.value; + else if (typeof this.value === 'string') + out.write(this.value, offset); + else if (Buffer$s.isBuffer(this.value)) + this.value.copy(out, offset); + offset += this.length; + } + + return out; +}; + +var buffer = { + DecoderBuffer: DecoderBuffer_1, + EncoderBuffer: EncoderBuffer_1 +}; + +var Reporter$2 = base_1.Reporter; +var EncoderBuffer$1 = base_1.EncoderBuffer; +var DecoderBuffer$1 = base_1.DecoderBuffer; + + +// Supported tags +var tags = [ + 'seq', 'seqof', 'set', 'setof', 'objid', 'bool', + 'gentime', 'utctime', 'null_', 'enum', 'int', 'objDesc', + 'bitstr', 'bmpstr', 'charstr', 'genstr', 'graphstr', 'ia5str', 'iso646str', + 'numstr', 'octstr', 'printstr', 't61str', 'unistr', 'utf8str', 'videostr' +]; + +// Public methods list +var methods = [ + 'key', 'obj', 'use', 'optional', 'explicit', 'implicit', 'def', 'choice', + 'any', 'contains' +].concat(tags); + +// Overrided methods list +var overrided = [ + '_peekTag', '_decodeTag', '_use', + '_decodeStr', '_decodeObjid', '_decodeTime', + '_decodeNull', '_decodeInt', '_decodeBool', '_decodeList', + + '_encodeComposite', '_encodeStr', '_encodeObjid', '_encodeTime', + '_encodeNull', '_encodeInt', '_encodeBool' +]; + +function Node(enc, parent) { + var state = {}; + this._baseState = state; + + state.enc = enc; + + state.parent = parent || null; + state.children = null; + + // State + state.tag = null; + state.args = null; + state.reverseArgs = null; + state.choice = null; + state.optional = false; + state.any = false; + state.obj = false; + state.use = null; + state.useDecoder = null; + state.key = null; + state['default'] = null; + state.explicit = null; + state.implicit = null; + state.contains = null; + + // Should create new instance on each method + if (!state.parent) { + state.children = []; + this._wrap(); + } +} +var node = Node; + +var stateProps = [ + 'enc', 'parent', 'children', 'tag', 'args', 'reverseArgs', 'choice', + 'optional', 'any', 'obj', 'use', 'alteredUse', 'key', 'default', 'explicit', + 'implicit', 'contains' +]; + +Node.prototype.clone = function clone() { + var state = this._baseState; + var cstate = {}; + stateProps.forEach(function(prop) { + cstate[prop] = state[prop]; + }); + var res = new this.constructor(cstate.parent); + res._baseState = cstate; + return res; +}; + +Node.prototype._wrap = function wrap() { + var state = this._baseState; + methods.forEach(function(method) { + this[method] = function _wrappedMethod() { + var clone = new this.constructor(this); + state.children.push(clone); + return clone[method].apply(clone, arguments); + }; + }, this); +}; + +Node.prototype._init = function init(body) { + var state = this._baseState; + + minimalisticAssert(state.parent === null); + body.call(this); + + // Filter children + state.children = state.children.filter(function(child) { + return child._baseState.parent === this; + }, this); + minimalisticAssert.equal(state.children.length, 1, 'Root node can have only one child'); +}; + +Node.prototype._useArgs = function useArgs(args) { + var state = this._baseState; + + // Filter children and args + var children = args.filter(function(arg) { + return arg instanceof this.constructor; + }, this); + args = args.filter(function(arg) { + return !(arg instanceof this.constructor); + }, this); + + if (children.length !== 0) { + minimalisticAssert(state.children === null); + state.children = children; + + // Replace parent to maintain backward link + children.forEach(function(child) { + child._baseState.parent = this; + }, this); + } + if (args.length !== 0) { + minimalisticAssert(state.args === null); + state.args = args; + state.reverseArgs = args.map(function(arg) { + if (typeof arg !== 'object' || arg.constructor !== Object) + return arg; + + var res = {}; + Object.keys(arg).forEach(function(key) { + if (key == (key | 0)) + key |= 0; + var value = arg[key]; + res[value] = key; + }); + return res; + }); + } +}; + +// +// Overrided methods +// + +overrided.forEach(function(method) { + Node.prototype[method] = function _overrided() { + var state = this._baseState; + throw new Error(method + ' not implemented for encoding: ' + state.enc); + }; +}); + +// +// Public methods +// + +tags.forEach(function(tag) { + Node.prototype[tag] = function _tagMethod() { + var state = this._baseState; + var args = Array.prototype.slice.call(arguments); + + minimalisticAssert(state.tag === null); + state.tag = tag; + + this._useArgs(args); + + return this; + }; +}); + +Node.prototype.use = function use(item) { + minimalisticAssert(item); + var state = this._baseState; + + minimalisticAssert(state.use === null); + state.use = item; + + return this; +}; + +Node.prototype.optional = function optional() { + var state = this._baseState; + + state.optional = true; + + return this; +}; + +Node.prototype.def = function def(val) { + var state = this._baseState; + + minimalisticAssert(state['default'] === null); + state['default'] = val; + state.optional = true; + + return this; +}; + +Node.prototype.explicit = function explicit(num) { + var state = this._baseState; + + minimalisticAssert(state.explicit === null && state.implicit === null); + state.explicit = num; + + return this; +}; + +Node.prototype.implicit = function implicit(num) { + var state = this._baseState; + + minimalisticAssert(state.explicit === null && state.implicit === null); + state.implicit = num; + + return this; +}; + +Node.prototype.obj = function obj() { + var state = this._baseState; + var args = Array.prototype.slice.call(arguments); + + state.obj = true; + + if (args.length !== 0) + this._useArgs(args); + + return this; +}; + +Node.prototype.key = function key(newKey) { + var state = this._baseState; + + minimalisticAssert(state.key === null); + state.key = newKey; + + return this; +}; + +Node.prototype.any = function any() { + var state = this._baseState; + + state.any = true; + + return this; +}; + +Node.prototype.choice = function choice(obj) { + var state = this._baseState; + + minimalisticAssert(state.choice === null); + state.choice = obj; + this._useArgs(Object.keys(obj).map(function(key) { + return obj[key]; + })); + + return this; +}; + +Node.prototype.contains = function contains(item) { + var state = this._baseState; + + minimalisticAssert(state.use === null); + state.contains = item; + + return this; +}; + +// +// Decoding +// + +Node.prototype._decode = function decode(input, options) { + var state = this._baseState; + + // Decode root node + if (state.parent === null) + return input.wrapResult(state.children[0]._decode(input, options)); + + var result = state['default']; + var present = true; + + var prevKey = null; + if (state.key !== null) + prevKey = input.enterKey(state.key); + + // Check if tag is there + if (state.optional) { + var tag = null; + if (state.explicit !== null) + tag = state.explicit; + else if (state.implicit !== null) + tag = state.implicit; + else if (state.tag !== null) + tag = state.tag; + + if (tag === null && !state.any) { + // Trial and Error + var save = input.save(); + try { + if (state.choice === null) + this._decodeGeneric(state.tag, input, options); + else + this._decodeChoice(input, options); + present = true; + } catch (e) { + present = false; + } + input.restore(save); + } else { + present = this._peekTag(input, tag, state.any); + + if (input.isError(present)) + return present; + } + } + + // Push object on stack + var prevObj; + if (state.obj && present) + prevObj = input.enterObject(); + + if (present) { + // Unwrap explicit values + if (state.explicit !== null) { + var explicit = this._decodeTag(input, state.explicit); + if (input.isError(explicit)) + return explicit; + input = explicit; + } + + var start = input.offset; + + // Unwrap implicit and normal values + if (state.use === null && state.choice === null) { + if (state.any) + var save = input.save(); + var body = this._decodeTag( + input, + state.implicit !== null ? state.implicit : state.tag, + state.any + ); + if (input.isError(body)) + return body; + + if (state.any) + result = input.raw(save); + else + input = body; + } + + if (options && options.track && state.tag !== null) + options.track(input.path(), start, input.length, 'tagged'); + + if (options && options.track && state.tag !== null) + options.track(input.path(), input.offset, input.length, 'content'); + + // Select proper method for tag + if (state.any) + result = result; + else if (state.choice === null) + result = this._decodeGeneric(state.tag, input, options); + else + result = this._decodeChoice(input, options); + + if (input.isError(result)) + return result; + + // Decode children + if (!state.any && state.choice === null && state.children !== null) { + state.children.forEach(function decodeChildren(child) { + // NOTE: We are ignoring errors here, to let parser continue with other + // parts of encoded data + child._decode(input, options); + }); + } + + // Decode contained/encoded by schema, only in bit or octet strings + if (state.contains && (state.tag === 'octstr' || state.tag === 'bitstr')) { + var data = new DecoderBuffer$1(result); + result = this._getUse(state.contains, input._reporterState.obj) + ._decode(data, options); + } + } + + // Pop object + if (state.obj && present) + result = input.leaveObject(prevObj); + + // Set key + if (state.key !== null && (result !== null || present === true)) + input.leaveKey(prevKey, state.key, result); + else if (prevKey !== null) + input.exitKey(prevKey); + + return result; +}; + +Node.prototype._decodeGeneric = function decodeGeneric(tag, input, options) { + var state = this._baseState; + + if (tag === 'seq' || tag === 'set') + return null; + if (tag === 'seqof' || tag === 'setof') + return this._decodeList(input, tag, state.args[0], options); + else if (/str$/.test(tag)) + return this._decodeStr(input, tag, options); + else if (tag === 'objid' && state.args) + return this._decodeObjid(input, state.args[0], state.args[1], options); + else if (tag === 'objid') + return this._decodeObjid(input, null, null, options); + else if (tag === 'gentime' || tag === 'utctime') + return this._decodeTime(input, tag, options); + else if (tag === 'null_') + return this._decodeNull(input, options); + else if (tag === 'bool') + return this._decodeBool(input, options); + else if (tag === 'objDesc') + return this._decodeStr(input, tag, options); + else if (tag === 'int' || tag === 'enum') + return this._decodeInt(input, state.args && state.args[0], options); + + if (state.use !== null) { + return this._getUse(state.use, input._reporterState.obj) + ._decode(input, options); + } else { + return input.error('unknown tag: ' + tag); + } +}; + +Node.prototype._getUse = function _getUse(entity, obj) { + + var state = this._baseState; + // Create altered use decoder if implicit is set + state.useDecoder = this._use(entity, obj); + minimalisticAssert(state.useDecoder._baseState.parent === null); + state.useDecoder = state.useDecoder._baseState.children[0]; + if (state.implicit !== state.useDecoder._baseState.implicit) { + state.useDecoder = state.useDecoder.clone(); + state.useDecoder._baseState.implicit = state.implicit; + } + return state.useDecoder; +}; + +Node.prototype._decodeChoice = function decodeChoice(input, options) { + var state = this._baseState; + var result = null; + var match = false; + + Object.keys(state.choice).some(function(key) { + var save = input.save(); + var node = state.choice[key]; + try { + var value = node._decode(input, options); + if (input.isError(value)) + return false; + + result = { type: key, value: value }; + match = true; + } catch (e) { + input.restore(save); + return false; + } + return true; + }, this); + + if (!match) + return input.error('Choice not matched'); + + return result; +}; + +// +// Encoding +// + +Node.prototype._createEncoderBuffer = function createEncoderBuffer(data) { + return new EncoderBuffer$1(data, this.reporter); +}; + +Node.prototype._encode = function encode(data, reporter, parent) { + var state = this._baseState; + if (state['default'] !== null && state['default'] === data) + return; + + var result = this._encodeValue(data, reporter, parent); + if (result === undefined) + return; + + if (this._skipDefault(result, reporter, parent)) + return; + + return result; +}; + +Node.prototype._encodeValue = function encode(data, reporter, parent) { + var state = this._baseState; + + // Decode root node + if (state.parent === null) + return state.children[0]._encode(data, reporter || new Reporter$2()); + + var result = null; + + // Set reporter to share it with a child class + this.reporter = reporter; + + // Check if data is there + if (state.optional && data === undefined) { + if (state['default'] !== null) + data = state['default']; + else + return; + } + + // Encode children first + var content = null; + var primitive = false; + if (state.any) { + // Anything that was given is translated to buffer + result = this._createEncoderBuffer(data); + } else if (state.choice) { + result = this._encodeChoice(data, reporter); + } else if (state.contains) { + content = this._getUse(state.contains, parent)._encode(data, reporter); + primitive = true; + } else if (state.children) { + content = state.children.map(function(child) { + if (child._baseState.tag === 'null_') + return child._encode(null, reporter, data); + + if (child._baseState.key === null) + return reporter.error('Child should have a key'); + var prevKey = reporter.enterKey(child._baseState.key); + + if (typeof data !== 'object') + return reporter.error('Child expected, but input is not object'); + + var res = child._encode(data[child._baseState.key], reporter, data); + reporter.leaveKey(prevKey); + + return res; + }, this).filter(function(child) { + return child; + }); + content = this._createEncoderBuffer(content); + } else { + if (state.tag === 'seqof' || state.tag === 'setof') { + // TODO(indutny): this should be thrown on DSL level + if (!(state.args && state.args.length === 1)) + return reporter.error('Too many args for : ' + state.tag); + + if (!Array.isArray(data)) + return reporter.error('seqof/setof, but data is not Array'); + + var child = this.clone(); + child._baseState.implicit = null; + content = this._createEncoderBuffer(data.map(function(item) { + var state = this._baseState; + + return this._getUse(state.args[0], data)._encode(item, reporter); + }, child)); + } else if (state.use !== null) { + result = this._getUse(state.use, parent)._encode(data, reporter); + } else { + content = this._encodePrimitive(state.tag, data); + primitive = true; + } + } + + // Encode data itself + var result; + if (!state.any && state.choice === null) { + var tag = state.implicit !== null ? state.implicit : state.tag; + var cls = state.implicit === null ? 'universal' : 'context'; + + if (tag === null) { + if (state.use === null) + reporter.error('Tag could be omitted only for .use()'); + } else { + if (state.use === null) + result = this._encodeComposite(tag, primitive, cls, content); + } + } + + // Wrap in explicit + if (state.explicit !== null) + result = this._encodeComposite(state.explicit, false, 'context', result); + + return result; +}; + +Node.prototype._encodeChoice = function encodeChoice(data, reporter) { + var state = this._baseState; + + var node = state.choice[data.type]; + if (!node) { + minimalisticAssert( + false, + data.type + ' not found in ' + + JSON.stringify(Object.keys(state.choice))); + } + return node._encode(data.value, reporter); +}; + +Node.prototype._encodePrimitive = function encodePrimitive(tag, data) { + var state = this._baseState; + + if (/str$/.test(tag)) + return this._encodeStr(data, tag); + else if (tag === 'objid' && state.args) + return this._encodeObjid(data, state.reverseArgs[0], state.args[1]); + else if (tag === 'objid') + return this._encodeObjid(data, null, null); + else if (tag === 'gentime' || tag === 'utctime') + return this._encodeTime(data, tag); + else if (tag === 'null_') + return this._encodeNull(); + else if (tag === 'int' || tag === 'enum') + return this._encodeInt(data, state.args && state.reverseArgs[0]); + else if (tag === 'bool') + return this._encodeBool(data); + else if (tag === 'objDesc') + return this._encodeStr(data, tag); + else + throw new Error('Unsupported tag: ' + tag); +}; + +Node.prototype._isNumstr = function isNumstr(str) { + return /^[0-9 ]*$/.test(str); +}; + +Node.prototype._isPrintstr = function isPrintstr(str) { + return /^[A-Za-z0-9 '\(\)\+,\-\.\/:=\?]*$/.test(str); +}; + +var base_1 = createCommonjsModule(function (module, exports) { +var base = exports; + +base.Reporter = reporter.Reporter; +base.DecoderBuffer = buffer.DecoderBuffer; +base.EncoderBuffer = buffer.EncoderBuffer; +base.Node = node; +}); + +var der = createCommonjsModule(function (module, exports) { +exports.tagClass = { + 0: 'universal', + 1: 'application', + 2: 'context', + 3: 'private' +}; +exports.tagClassByName = constants_1._reverse(exports.tagClass); + +exports.tag = { + 0x00: 'end', + 0x01: 'bool', + 0x02: 'int', + 0x03: 'bitstr', + 0x04: 'octstr', + 0x05: 'null_', + 0x06: 'objid', + 0x07: 'objDesc', + 0x08: 'external', + 0x09: 'real', + 0x0a: 'enum', + 0x0b: 'embed', + 0x0c: 'utf8str', + 0x0d: 'relativeOid', + 0x10: 'seq', + 0x11: 'set', + 0x12: 'numstr', + 0x13: 'printstr', + 0x14: 't61str', + 0x15: 'videostr', + 0x16: 'ia5str', + 0x17: 'utctime', + 0x18: 'gentime', + 0x19: 'graphstr', + 0x1a: 'iso646str', + 0x1b: 'genstr', + 0x1c: 'unistr', + 0x1d: 'charstr', + 0x1e: 'bmpstr' +}; +exports.tagByName = constants_1._reverse(exports.tag); +}); +var der_1 = der.tagClass; +var der_2 = der.tagClassByName; +var der_3 = der.tag; +var der_4 = der.tagByName; + +var constants_1 = createCommonjsModule(function (module, exports) { +var constants = exports; + +// Helper +constants._reverse = function reverse(map) { + var res = {}; + + Object.keys(map).forEach(function(key) { + // Convert key to integer if it is stringified + if ((key | 0) == key) + key = key | 0; + + var value = map[key]; + res[value] = key; + }); + + return res; +}; + +constants.der = der; +}); + +var base$1 = asn1_1.base; +var bignum = asn1_1.bignum; + +// Import DER constants +var der$1 = asn1_1.constants.der; + +function DERDecoder(entity) { + this.enc = 'der'; + this.name = entity.name; + this.entity = entity; + + // Construct base tree + this.tree = new DERNode(); + this.tree._init(entity.body); +}var der_1$1 = DERDecoder; + +DERDecoder.prototype.decode = function decode(data, options) { + if (!(data instanceof base$1.DecoderBuffer)) + data = new base$1.DecoderBuffer(data, options); + + return this.tree._decode(data, options); +}; + +// Tree methods + +function DERNode(parent) { + base$1.Node.call(this, 'der', parent); +} +inherits_browser(DERNode, base$1.Node); + +DERNode.prototype._peekTag = function peekTag(buffer, tag, any) { + if (buffer.isEmpty()) + return false; + + var state = buffer.save(); + var decodedTag = derDecodeTag(buffer, 'Failed to peek tag: "' + tag + '"'); + if (buffer.isError(decodedTag)) + return decodedTag; + + buffer.restore(state); + + return decodedTag.tag === tag || decodedTag.tagStr === tag || + (decodedTag.tagStr + 'of') === tag || any; +}; + +DERNode.prototype._decodeTag = function decodeTag(buffer, tag, any) { + var decodedTag = derDecodeTag(buffer, + 'Failed to decode tag of "' + tag + '"'); + if (buffer.isError(decodedTag)) + return decodedTag; + + var len = derDecodeLen(buffer, + decodedTag.primitive, + 'Failed to get length of "' + tag + '"'); + + // Failure + if (buffer.isError(len)) + return len; + + if (!any && + decodedTag.tag !== tag && + decodedTag.tagStr !== tag && + decodedTag.tagStr + 'of' !== tag) { + return buffer.error('Failed to match tag: "' + tag + '"'); + } + + if (decodedTag.primitive || len !== null) + return buffer.skip(len, 'Failed to match body of: "' + tag + '"'); + + // Indefinite length... find END tag + var state = buffer.save(); + var res = this._skipUntilEnd( + buffer, + 'Failed to skip indefinite length body: "' + this.tag + '"'); + if (buffer.isError(res)) + return res; + + len = buffer.offset - state.offset; + buffer.restore(state); + return buffer.skip(len, 'Failed to match body of: "' + tag + '"'); +}; + +DERNode.prototype._skipUntilEnd = function skipUntilEnd(buffer, fail) { + while (true) { + var tag = derDecodeTag(buffer, fail); + if (buffer.isError(tag)) + return tag; + var len = derDecodeLen(buffer, tag.primitive, fail); + if (buffer.isError(len)) + return len; + + var res; + if (tag.primitive || len !== null) + res = buffer.skip(len); + else + res = this._skipUntilEnd(buffer, fail); + + // Failure + if (buffer.isError(res)) + return res; + + if (tag.tagStr === 'end') + break; + } +}; + +DERNode.prototype._decodeList = function decodeList(buffer, tag, decoder, + options) { + var result = []; + while (!buffer.isEmpty()) { + var possibleEnd = this._peekTag(buffer, 'end'); + if (buffer.isError(possibleEnd)) + return possibleEnd; + + var res = decoder.decode(buffer, 'der', options); + if (buffer.isError(res) && possibleEnd) + break; + result.push(res); + } + return result; +}; + +DERNode.prototype._decodeStr = function decodeStr(buffer, tag) { + if (tag === 'bitstr') { + var unused = buffer.readUInt8(); + if (buffer.isError(unused)) + return unused; + return { unused: unused, data: buffer.raw() }; + } else if (tag === 'bmpstr') { + var raw = buffer.raw(); + if (raw.length % 2 === 1) + return buffer.error('Decoding of string type: bmpstr length mismatch'); + + var str = ''; + for (var i = 0; i < raw.length / 2; i++) { + str += String.fromCharCode(raw.readUInt16BE(i * 2)); + } + return str; + } else if (tag === 'numstr') { + var numstr = buffer.raw().toString('ascii'); + if (!this._isNumstr(numstr)) { + return buffer.error('Decoding of string type: ' + + 'numstr unsupported characters'); + } + return numstr; + } else if (tag === 'octstr') { + return buffer.raw(); + } else if (tag === 'objDesc') { + return buffer.raw(); + } else if (tag === 'printstr') { + var printstr = buffer.raw().toString('ascii'); + if (!this._isPrintstr(printstr)) { + return buffer.error('Decoding of string type: ' + + 'printstr unsupported characters'); + } + return printstr; + } else if (/str$/.test(tag)) { + return buffer.raw().toString(); + } else { + return buffer.error('Decoding of string type: ' + tag + ' unsupported'); + } +}; + +DERNode.prototype._decodeObjid = function decodeObjid(buffer, values, relative) { + var result; + var identifiers = []; + var ident = 0; + while (!buffer.isEmpty()) { + var subident = buffer.readUInt8(); + ident <<= 7; + ident |= subident & 0x7f; + if ((subident & 0x80) === 0) { + identifiers.push(ident); + ident = 0; + } + } + if (subident & 0x80) + identifiers.push(ident); + + var first = (identifiers[0] / 40) | 0; + var second = identifiers[0] % 40; + + if (relative) + result = identifiers; + else + result = [first, second].concat(identifiers.slice(1)); + + if (values) { + var tmp = values[result.join(' ')]; + if (tmp === undefined) + tmp = values[result.join('.')]; + if (tmp !== undefined) + result = tmp; + } + + return result; +}; + +DERNode.prototype._decodeTime = function decodeTime(buffer, tag) { + var str = buffer.raw().toString(); + if (tag === 'gentime') { + var year = str.slice(0, 4) | 0; + var mon = str.slice(4, 6) | 0; + var day = str.slice(6, 8) | 0; + var hour = str.slice(8, 10) | 0; + var min = str.slice(10, 12) | 0; + var sec = str.slice(12, 14) | 0; + } else if (tag === 'utctime') { + var year = str.slice(0, 2) | 0; + var mon = str.slice(2, 4) | 0; + var day = str.slice(4, 6) | 0; + var hour = str.slice(6, 8) | 0; + var min = str.slice(8, 10) | 0; + var sec = str.slice(10, 12) | 0; + if (year < 70) + year = 2000 + year; + else + year = 1900 + year; + } else { + return buffer.error('Decoding ' + tag + ' time is not supported yet'); + } + + return Date.UTC(year, mon - 1, day, hour, min, sec, 0); +}; + +DERNode.prototype._decodeNull = function decodeNull(buffer) { + return null; +}; + +DERNode.prototype._decodeBool = function decodeBool(buffer) { + var res = buffer.readUInt8(); + if (buffer.isError(res)) + return res; + else + return res !== 0; +}; + +DERNode.prototype._decodeInt = function decodeInt(buffer, values) { + // Bigint, return as it is (assume big endian) + var raw = buffer.raw(); + var res = new bignum(raw); + + if (values) + res = values[res.toString(10)] || res; + + return res; +}; + +DERNode.prototype._use = function use(entity, obj) { + if (typeof entity === 'function') + entity = entity(obj); + return entity._getDecoder('der').tree; +}; + +// Utility methods + +function derDecodeTag(buf, fail) { + var tag = buf.readUInt8(fail); + if (buf.isError(tag)) + return tag; + + var cls = der$1.tagClass[tag >> 6]; + var primitive = (tag & 0x20) === 0; + + // Multi-octet tag - load + if ((tag & 0x1f) === 0x1f) { + var oct = tag; + tag = 0; + while ((oct & 0x80) === 0x80) { + oct = buf.readUInt8(fail); + if (buf.isError(oct)) + return oct; + + tag <<= 7; + tag |= oct & 0x7f; + } + } else { + tag &= 0x1f; + } + var tagStr = der$1.tag[tag]; + + return { + cls: cls, + primitive: primitive, + tag: tag, + tagStr: tagStr + }; +} + +function derDecodeLen(buf, primitive, fail) { + var len = buf.readUInt8(fail); + if (buf.isError(len)) + return len; + + // Indefinite form + if (!primitive && len === 0x80) + return null; + + // Definite form + if ((len & 0x80) === 0) { + // Short form + return len; + } + + // Long form + var num = len & 0x7f; + if (num > 4) + return buf.error('length octect is too long'); + + len = 0; + for (var i = 0; i < num; i++) { + len <<= 8; + var j = buf.readUInt8(fail); + if (buf.isError(j)) + return j; + len |= j; + } + + return len; +} + +var Buffer$t = buffer$1.Buffer; + + + +function PEMDecoder(entity) { + der_1$1.call(this, entity); + this.enc = 'pem'; +}inherits_browser(PEMDecoder, der_1$1); +var pem = PEMDecoder; + +PEMDecoder.prototype.decode = function decode(data, options) { + var lines = data.toString().split(/[\r\n]+/g); + + var label = options.label.toUpperCase(); + + var re = /^-----(BEGIN|END) ([^-]+)-----$/; + var start = -1; + var end = -1; + for (var i = 0; i < lines.length; i++) { + var match = lines[i].match(re); + if (match === null) + continue; + + if (match[2] !== label) + continue; + + if (start === -1) { + if (match[1] !== 'BEGIN') + break; + start = i; + } else { + if (match[1] !== 'END') + break; + end = i; + break; + } + } + if (start === -1 || end === -1) + throw new Error('PEM section not found for: ' + label); + + var base64 = lines.slice(start + 1, end).join(''); + // Remove excessive symbols + base64.replace(/[^a-z0-9\+\/=]+/gi, ''); + + var input = new Buffer$t(base64, 'base64'); + return der_1$1.prototype.decode.call(this, input, options); +}; + +var decoders_1 = createCommonjsModule(function (module, exports) { +var decoders = exports; + +decoders.der = der_1$1; +decoders.pem = pem; +}); + +var Buffer$u = buffer$1.Buffer; + + +var base$2 = asn1_1.base; + +// Import DER constants +var der$2 = asn1_1.constants.der; + +function DEREncoder(entity) { + this.enc = 'der'; + this.name = entity.name; + this.entity = entity; + + // Construct base tree + this.tree = new DERNode$1(); + this.tree._init(entity.body); +}var der_1$2 = DEREncoder; + +DEREncoder.prototype.encode = function encode(data, reporter) { + return this.tree._encode(data, reporter).join(); +}; + +// Tree methods + +function DERNode$1(parent) { + base$2.Node.call(this, 'der', parent); +} +inherits_browser(DERNode$1, base$2.Node); + +DERNode$1.prototype._encodeComposite = function encodeComposite(tag, + primitive, + cls, + content) { + var encodedTag = encodeTag(tag, primitive, cls, this.reporter); + + // Short form + if (content.length < 0x80) { + var header = new Buffer$u(2); + header[0] = encodedTag; + header[1] = content.length; + return this._createEncoderBuffer([ header, content ]); + } + + // Long form + // Count octets required to store length + var lenOctets = 1; + for (var i = content.length; i >= 0x100; i >>= 8) + lenOctets++; + + var header = new Buffer$u(1 + 1 + lenOctets); + header[0] = encodedTag; + header[1] = 0x80 | lenOctets; + + for (var i = 1 + lenOctets, j = content.length; j > 0; i--, j >>= 8) + header[i] = j & 0xff; + + return this._createEncoderBuffer([ header, content ]); +}; + +DERNode$1.prototype._encodeStr = function encodeStr(str, tag) { + if (tag === 'bitstr') { + return this._createEncoderBuffer([ str.unused | 0, str.data ]); + } else if (tag === 'bmpstr') { + var buf = new Buffer$u(str.length * 2); + for (var i = 0; i < str.length; i++) { + buf.writeUInt16BE(str.charCodeAt(i), i * 2); + } + return this._createEncoderBuffer(buf); + } else if (tag === 'numstr') { + if (!this._isNumstr(str)) { + return this.reporter.error('Encoding of string type: numstr supports ' + + 'only digits and space'); + } + return this._createEncoderBuffer(str); + } else if (tag === 'printstr') { + if (!this._isPrintstr(str)) { + return this.reporter.error('Encoding of string type: printstr supports ' + + 'only latin upper and lower case letters, ' + + 'digits, space, apostrophe, left and rigth ' + + 'parenthesis, plus sign, comma, hyphen, ' + + 'dot, slash, colon, equal sign, ' + + 'question mark'); + } + return this._createEncoderBuffer(str); + } else if (/str$/.test(tag)) { + return this._createEncoderBuffer(str); + } else if (tag === 'objDesc') { + return this._createEncoderBuffer(str); + } else { + return this.reporter.error('Encoding of string type: ' + tag + + ' unsupported'); + } +}; + +DERNode$1.prototype._encodeObjid = function encodeObjid(id, values, relative) { + if (typeof id === 'string') { + if (!values) + return this.reporter.error('string objid given, but no values map found'); + if (!values.hasOwnProperty(id)) + return this.reporter.error('objid not found in values map'); + id = values[id].split(/[\s\.]+/g); + for (var i = 0; i < id.length; i++) + id[i] |= 0; + } else if (Array.isArray(id)) { + id = id.slice(); + for (var i = 0; i < id.length; i++) + id[i] |= 0; + } + + if (!Array.isArray(id)) { + return this.reporter.error('objid() should be either array or string, ' + + 'got: ' + JSON.stringify(id)); + } + + if (!relative) { + if (id[1] >= 40) + return this.reporter.error('Second objid identifier OOB'); + id.splice(0, 2, id[0] * 40 + id[1]); + } + + // Count number of octets + var size = 0; + for (var i = 0; i < id.length; i++) { + var ident = id[i]; + for (size++; ident >= 0x80; ident >>= 7) + size++; + } + + var objid = new Buffer$u(size); + var offset = objid.length - 1; + for (var i = id.length - 1; i >= 0; i--) { + var ident = id[i]; + objid[offset--] = ident & 0x7f; + while ((ident >>= 7) > 0) + objid[offset--] = 0x80 | (ident & 0x7f); + } + + return this._createEncoderBuffer(objid); +}; + +function two(num) { + if (num < 10) + return '0' + num; + else + return num; +} + +DERNode$1.prototype._encodeTime = function encodeTime(time, tag) { + var str; + var date = new Date(time); + + if (tag === 'gentime') { + str = [ + two(date.getFullYear()), + two(date.getUTCMonth() + 1), + two(date.getUTCDate()), + two(date.getUTCHours()), + two(date.getUTCMinutes()), + two(date.getUTCSeconds()), + 'Z' + ].join(''); + } else if (tag === 'utctime') { + str = [ + two(date.getFullYear() % 100), + two(date.getUTCMonth() + 1), + two(date.getUTCDate()), + two(date.getUTCHours()), + two(date.getUTCMinutes()), + two(date.getUTCSeconds()), + 'Z' + ].join(''); + } else { + this.reporter.error('Encoding ' + tag + ' time is not supported yet'); + } + + return this._encodeStr(str, 'octstr'); +}; + +DERNode$1.prototype._encodeNull = function encodeNull() { + return this._createEncoderBuffer(''); +}; + +DERNode$1.prototype._encodeInt = function encodeInt(num, values) { + if (typeof num === 'string') { + if (!values) + return this.reporter.error('String int or enum given, but no values map'); + if (!values.hasOwnProperty(num)) { + return this.reporter.error('Values map doesn\'t contain: ' + + JSON.stringify(num)); + } + num = values[num]; + } + + // Bignum, assume big endian + if (typeof num !== 'number' && !Buffer$u.isBuffer(num)) { + var numArray = num.toArray(); + if (!num.sign && numArray[0] & 0x80) { + numArray.unshift(0); + } + num = new Buffer$u(numArray); + } + + if (Buffer$u.isBuffer(num)) { + var size = num.length; + if (num.length === 0) + size++; + + var out = new Buffer$u(size); + num.copy(out); + if (num.length === 0) + out[0] = 0; + return this._createEncoderBuffer(out); + } + + if (num < 0x80) + return this._createEncoderBuffer(num); + + if (num < 0x100) + return this._createEncoderBuffer([0, num]); + + var size = 1; + for (var i = num; i >= 0x100; i >>= 8) + size++; + + var out = new Array(size); + for (var i = out.length - 1; i >= 0; i--) { + out[i] = num & 0xff; + num >>= 8; + } + if(out[0] & 0x80) { + out.unshift(0); + } + + return this._createEncoderBuffer(new Buffer$u(out)); +}; + +DERNode$1.prototype._encodeBool = function encodeBool(value) { + return this._createEncoderBuffer(value ? 0xff : 0); +}; + +DERNode$1.prototype._use = function use(entity, obj) { + if (typeof entity === 'function') + entity = entity(obj); + return entity._getEncoder('der').tree; +}; + +DERNode$1.prototype._skipDefault = function skipDefault(dataBuffer, reporter, parent) { + var state = this._baseState; + var i; + if (state['default'] === null) + return false; + + var data = dataBuffer.join(); + if (state.defaultBuffer === undefined) + state.defaultBuffer = this._encodeValue(state['default'], reporter, parent).join(); + + if (data.length !== state.defaultBuffer.length) + return false; + + for (i=0; i < data.length; i++) + if (data[i] !== state.defaultBuffer[i]) + return false; + + return true; +}; + +// Utility methods + +function encodeTag(tag, primitive, cls, reporter) { + var res; + + if (tag === 'seqof') + tag = 'seq'; + else if (tag === 'setof') + tag = 'set'; + + if (der$2.tagByName.hasOwnProperty(tag)) + res = der$2.tagByName[tag]; + else if (typeof tag === 'number' && (tag | 0) === tag) + res = tag; + else + return reporter.error('Unknown tag: ' + tag); + + if (res >= 0x1f) + return reporter.error('Multi-octet tag encoding unsupported'); + + if (!primitive) + res |= 0x20; + + res |= (der$2.tagClassByName[cls || 'universal'] << 6); + + return res; +} + +function PEMEncoder(entity) { + der_1$2.call(this, entity); + this.enc = 'pem'; +}inherits_browser(PEMEncoder, der_1$2); +var pem$1 = PEMEncoder; + +PEMEncoder.prototype.encode = function encode(data, options) { + var buf = der_1$2.prototype.encode.call(this, data); + + var p = buf.toString('base64'); + var out = [ '-----BEGIN ' + options.label + '-----' ]; + for (var i = 0; i < p.length; i += 64) + out.push(p.slice(i, i + 64)); + out.push('-----END ' + options.label + '-----'); + return out.join('\n'); +}; + +var encoders_1 = createCommonjsModule(function (module, exports) { +var encoders = exports; + +encoders.der = der_1$2; +encoders.pem = pem$1; +}); + +var asn1_1 = createCommonjsModule(function (module, exports) { +var asn1 = exports; + +asn1.bignum = bn; + +asn1.define = api_1.define; +asn1.base = base_1; +asn1.constants = constants_1; +asn1.decoders = decoders_1; +asn1.encoders = encoders_1; +}); + +var Time = asn1_1.define('Time', function () { + this.choice({ + utcTime: this.utctime(), + generalTime: this.gentime() + }); +}); + +var AttributeTypeValue = asn1_1.define('AttributeTypeValue', function () { + this.seq().obj( + this.key('type').objid(), + this.key('value').any() + ); +}); + +var AlgorithmIdentifier = asn1_1.define('AlgorithmIdentifier', function () { + this.seq().obj( + this.key('algorithm').objid(), + this.key('parameters').optional(), + this.key('curve').objid().optional() + ); +}); + +var SubjectPublicKeyInfo = asn1_1.define('SubjectPublicKeyInfo', function () { + this.seq().obj( + this.key('algorithm').use(AlgorithmIdentifier), + this.key('subjectPublicKey').bitstr() + ); +}); + +var RelativeDistinguishedName = asn1_1.define('RelativeDistinguishedName', function () { + this.setof(AttributeTypeValue); +}); + +var RDNSequence = asn1_1.define('RDNSequence', function () { + this.seqof(RelativeDistinguishedName); +}); + +var Name = asn1_1.define('Name', function () { + this.choice({ + rdnSequence: this.use(RDNSequence) + }); +}); + +var Validity = asn1_1.define('Validity', function () { + this.seq().obj( + this.key('notBefore').use(Time), + this.key('notAfter').use(Time) + ); +}); + +var Extension = asn1_1.define('Extension', function () { + this.seq().obj( + this.key('extnID').objid(), + this.key('critical').bool().def(false), + this.key('extnValue').octstr() + ); +}); + +var TBSCertificate = asn1_1.define('TBSCertificate', function () { + this.seq().obj( + this.key('version').explicit(0).int().optional(), + this.key('serialNumber').int(), + this.key('signature').use(AlgorithmIdentifier), + this.key('issuer').use(Name), + this.key('validity').use(Validity), + this.key('subject').use(Name), + this.key('subjectPublicKeyInfo').use(SubjectPublicKeyInfo), + this.key('issuerUniqueID').implicit(1).bitstr().optional(), + this.key('subjectUniqueID').implicit(2).bitstr().optional(), + this.key('extensions').explicit(3).seqof(Extension).optional() + ); +}); + +var X509Certificate = asn1_1.define('X509Certificate', function () { + this.seq().obj( + this.key('tbsCertificate').use(TBSCertificate), + this.key('signatureAlgorithm').use(AlgorithmIdentifier), + this.key('signatureValue').bitstr() + ); +}); + +var certificate = X509Certificate; + +var certificate$1 = certificate; + +var RSAPrivateKey = asn1_1.define('RSAPrivateKey', function () { + this.seq().obj( + this.key('version').int(), + this.key('modulus').int(), + this.key('publicExponent').int(), + this.key('privateExponent').int(), + this.key('prime1').int(), + this.key('prime2').int(), + this.key('exponent1').int(), + this.key('exponent2').int(), + this.key('coefficient').int() + ); +}); +var RSAPrivateKey_1 = RSAPrivateKey; + +var RSAPublicKey = asn1_1.define('RSAPublicKey', function () { + this.seq().obj( + this.key('modulus').int(), + this.key('publicExponent').int() + ); +}); +var RSAPublicKey_1 = RSAPublicKey; + +var PublicKey = asn1_1.define('SubjectPublicKeyInfo', function () { + this.seq().obj( + this.key('algorithm').use(AlgorithmIdentifier$1), + this.key('subjectPublicKey').bitstr() + ); +}); +var PublicKey_1 = PublicKey; + +var AlgorithmIdentifier$1 = asn1_1.define('AlgorithmIdentifier', function () { + this.seq().obj( + this.key('algorithm').objid(), + this.key('none').null_().optional(), + this.key('curve').objid().optional(), + this.key('params').seq().obj( + this.key('p').int(), + this.key('q').int(), + this.key('g').int() + ).optional() + ); +}); + +var PrivateKeyInfo = asn1_1.define('PrivateKeyInfo', function () { + this.seq().obj( + this.key('version').int(), + this.key('algorithm').use(AlgorithmIdentifier$1), + this.key('subjectPrivateKey').octstr() + ); +}); +var PrivateKey = PrivateKeyInfo; +var EncryptedPrivateKeyInfo = asn1_1.define('EncryptedPrivateKeyInfo', function () { + this.seq().obj( + this.key('algorithm').seq().obj( + this.key('id').objid(), + this.key('decrypt').seq().obj( + this.key('kde').seq().obj( + this.key('id').objid(), + this.key('kdeparams').seq().obj( + this.key('salt').octstr(), + this.key('iters').int() + ) + ), + this.key('cipher').seq().obj( + this.key('algo').objid(), + this.key('iv').octstr() + ) + ) + ), + this.key('subjectPrivateKey').octstr() + ); +}); + +var EncryptedPrivateKey = EncryptedPrivateKeyInfo; + +var DSAPrivateKey = asn1_1.define('DSAPrivateKey', function () { + this.seq().obj( + this.key('version').int(), + this.key('p').int(), + this.key('q').int(), + this.key('g').int(), + this.key('pub_key').int(), + this.key('priv_key').int() + ); +}); +var DSAPrivateKey_1 = DSAPrivateKey; + +var DSAparam = asn1_1.define('DSAparam', function () { + this.int(); +}); + +var ECPrivateKey = asn1_1.define('ECPrivateKey', function () { + this.seq().obj( + this.key('version').int(), + this.key('privateKey').octstr(), + this.key('parameters').optional().explicit(0).use(ECParameters), + this.key('publicKey').optional().explicit(1).bitstr() + ); +}); +var ECPrivateKey_1 = ECPrivateKey; + +var ECParameters = asn1_1.define('ECParameters', function () { + this.choice({ + namedCurve: this.objid() + }); +}); + +var signature$2 = asn1_1.define('signature', function () { + this.seq().obj( + this.key('r').int(), + this.key('s').int() + ); +}); + +var asn1_1$1 = { + certificate: certificate$1, + RSAPrivateKey: RSAPrivateKey_1, + RSAPublicKey: RSAPublicKey_1, + PublicKey: PublicKey_1, + PrivateKey: PrivateKey, + EncryptedPrivateKey: EncryptedPrivateKey, + DSAPrivateKey: DSAPrivateKey_1, + DSAparam: DSAparam, + ECPrivateKey: ECPrivateKey_1, + signature: signature$2 +}; + +var aesid = { + "2.16.840.1.101.3.4.1.1": "aes-128-ecb", + "2.16.840.1.101.3.4.1.2": "aes-128-cbc", + "2.16.840.1.101.3.4.1.3": "aes-128-ofb", + "2.16.840.1.101.3.4.1.4": "aes-128-cfb", + "2.16.840.1.101.3.4.1.21": "aes-192-ecb", + "2.16.840.1.101.3.4.1.22": "aes-192-cbc", + "2.16.840.1.101.3.4.1.23": "aes-192-ofb", + "2.16.840.1.101.3.4.1.24": "aes-192-cfb", + "2.16.840.1.101.3.4.1.41": "aes-256-ecb", + "2.16.840.1.101.3.4.1.42": "aes-256-cbc", + "2.16.840.1.101.3.4.1.43": "aes-256-ofb", + "2.16.840.1.101.3.4.1.44": "aes-256-cfb" +}; + +var aesid$1 = /*#__PURE__*/Object.freeze({ + 'default': aesid +}); + +// adapted from https://github.com/apatil/pemstrip +var findProc = /Proc-Type: 4,ENCRYPTED[\n\r]+DEK-Info: AES-((?:128)|(?:192)|(?:256))-CBC,([0-9A-H]+)[\n\r]+([0-9A-z\n\r\+\/\=]+)[\n\r]+/m; +var startRegex = /^-----BEGIN ((?:.*? KEY)|CERTIFICATE)-----/m; +var fullRegex = /^-----BEGIN ((?:.*? KEY)|CERTIFICATE)-----([0-9A-z\n\r\+\/\=]+)-----END \1-----$/m; + + +var Buffer$v = safeBuffer.Buffer; +var fixProc = function (okey, password) { + var key = okey.toString(); + var match = key.match(findProc); + var decrypted; + if (!match) { + var match2 = key.match(fullRegex); + decrypted = new Buffer$v(match2[2].replace(/[\r\n]/g, ''), 'base64'); + } else { + var suite = 'aes' + match[1]; + var iv = Buffer$v.from(match[2], 'hex'); + var cipherText = Buffer$v.from(match[3].replace(/[\r\n]/g, ''), 'base64'); + var cipherKey = evp_bytestokey(password, iv.slice(0, 8), parseInt(match[1], 10)).key; + var out = []; + var cipher = browser$4.createDecipheriv(suite, cipherKey, iv); + out.push(cipher.update(cipherText)); + out.push(cipher.final()); + decrypted = Buffer$v.concat(out); + } + var tag = key.match(startRegex)[1]; + return { + tag: tag, + data: decrypted + } +}; + +var aesid$2 = getCjsExportFromNamespace(aesid$1); + +var Buffer$w = safeBuffer.Buffer; +var parseAsn1 = parseKeys; + +function parseKeys (buffer) { + var password; + if (typeof buffer === 'object' && !Buffer$w.isBuffer(buffer)) { + password = buffer.passphrase; + buffer = buffer.key; + } + if (typeof buffer === 'string') { + buffer = Buffer$w.from(buffer); + } + + var stripped = fixProc(buffer, password); + + var type = stripped.tag; + var data = stripped.data; + var subtype, ndata; + switch (type) { + case 'CERTIFICATE': + ndata = asn1_1$1.certificate.decode(data, 'der').tbsCertificate.subjectPublicKeyInfo; + // falls through + case 'PUBLIC KEY': + if (!ndata) { + ndata = asn1_1$1.PublicKey.decode(data, 'der'); + } + subtype = ndata.algorithm.algorithm.join('.'); + switch (subtype) { + case '1.2.840.113549.1.1.1': + return asn1_1$1.RSAPublicKey.decode(ndata.subjectPublicKey.data, 'der') + case '1.2.840.10045.2.1': + ndata.subjectPrivateKey = ndata.subjectPublicKey; + return { + type: 'ec', + data: ndata + } + case '1.2.840.10040.4.1': + ndata.algorithm.params.pub_key = asn1_1$1.DSAparam.decode(ndata.subjectPublicKey.data, 'der'); + return { + type: 'dsa', + data: ndata.algorithm.params + } + default: throw new Error('unknown key id ' + subtype) + } + throw new Error('unknown key type ' + type) + case 'ENCRYPTED PRIVATE KEY': + data = asn1_1$1.EncryptedPrivateKey.decode(data, 'der'); + data = decrypt$2(data, password); + // falls through + case 'PRIVATE KEY': + ndata = asn1_1$1.PrivateKey.decode(data, 'der'); + subtype = ndata.algorithm.algorithm.join('.'); + switch (subtype) { + case '1.2.840.113549.1.1.1': + return asn1_1$1.RSAPrivateKey.decode(ndata.subjectPrivateKey, 'der') + case '1.2.840.10045.2.1': + return { + curve: ndata.algorithm.curve, + privateKey: asn1_1$1.ECPrivateKey.decode(ndata.subjectPrivateKey, 'der').privateKey + } + case '1.2.840.10040.4.1': + ndata.algorithm.params.priv_key = asn1_1$1.DSAparam.decode(ndata.subjectPrivateKey, 'der'); + return { + type: 'dsa', + params: ndata.algorithm.params + } + default: throw new Error('unknown key id ' + subtype) + } + throw new Error('unknown key type ' + type) + case 'RSA PUBLIC KEY': + return asn1_1$1.RSAPublicKey.decode(data, 'der') + case 'RSA PRIVATE KEY': + return asn1_1$1.RSAPrivateKey.decode(data, 'der') + case 'DSA PRIVATE KEY': + return { + type: 'dsa', + params: asn1_1$1.DSAPrivateKey.decode(data, 'der') + } + case 'EC PRIVATE KEY': + data = asn1_1$1.ECPrivateKey.decode(data, 'der'); + return { + curve: data.parameters.value, + privateKey: data.privateKey + } + default: throw new Error('unknown key type ' + type) + } +} +parseKeys.signature = asn1_1$1.signature; +function decrypt$2 (data, password) { + var salt = data.algorithm.decrypt.kde.kdeparams.salt; + var iters = parseInt(data.algorithm.decrypt.kde.kdeparams.iters.toString(), 10); + var algo = aesid$2[data.algorithm.decrypt.cipher.algo.join('.')]; + var iv = data.algorithm.decrypt.cipher.iv; + var cipherText = data.subjectPrivateKey; + var keylen = parseInt(algo.split('-')[1], 10) / 8; + var key = browser$3.pbkdf2Sync(password, salt, iters, keylen, 'sha1'); + var cipher = browser$4.createDecipheriv(algo, key, iv); + var out = []; + out.push(cipher.update(cipherText)); + out.push(cipher.final()); + return Buffer$w.concat(out) +} + +var curves = { + "1.3.132.0.10": "secp256k1", + "1.3.132.0.33": "p224", + "1.2.840.10045.3.1.1": "p192", + "1.2.840.10045.3.1.7": "p256", + "1.3.132.0.34": "p384", + "1.3.132.0.35": "p521" +}; + +var curves$1 = /*#__PURE__*/Object.freeze({ + 'default': curves +}); + +var curves$2 = getCjsExportFromNamespace(curves$1); + +// much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js + + +var EC$1 = elliptic_1.ec; + + + + +function sign (hash, key, hashType, signType, tag) { + var priv = parseAsn1(key); + if (priv.curve) { + // rsa keys can be interpreted as ecdsa ones in openssl + if (signType !== 'ecdsa' && signType !== 'ecdsa/rsa') throw new Error('wrong private key type') + return ecSign(hash, priv) + } else if (priv.type === 'dsa') { + if (signType !== 'dsa') throw new Error('wrong private key type') + return dsaSign(hash, priv, hashType) + } else { + if (signType !== 'rsa' && signType !== 'ecdsa/rsa') throw new Error('wrong private key type') + } + hash = Buffer.concat([tag, hash]); + var len = priv.modulus.byteLength(); + var pad = [ 0, 1 ]; + while (hash.length + pad.length + 1 < len) pad.push(0xff); + pad.push(0x00); + var i = -1; + while (++i < hash.length) pad.push(hash[i]); + + var out = browserifyRsa(pad, priv); + return out +} + +function ecSign (hash, priv) { + var curveId = curves$2[priv.curve.join('.')]; + if (!curveId) throw new Error('unknown curve ' + priv.curve.join('.')) + + var curve = new EC$1(curveId); + var key = curve.keyFromPrivate(priv.privateKey); + var out = key.sign(hash); + + return new Buffer(out.toDER()) +} + +function dsaSign (hash, priv, algo) { + var x = priv.params.priv_key; + var p = priv.params.p; + var q = priv.params.q; + var g = priv.params.g; + var r = new bn(0); + var k; + var H = bits2int(hash, q).mod(q); + var s = false; + var kv = getKey(x, q, hash, algo); + while (s === false) { + k = makeKey(q, kv, algo); + r = makeR(g, k, p, q); + s = k.invm(q).imul(H.add(x.mul(r))).mod(q); + if (s.cmpn(0) === 0) { + s = false; + r = new bn(0); + } + } + return toDER(r, s) +} + +function toDER (r, s) { + r = r.toArray(); + s = s.toArray(); + + // Pad values + if (r[0] & 0x80) r = [ 0 ].concat(r); + if (s[0] & 0x80) s = [ 0 ].concat(s); + + var total = r.length + s.length + 4; + var res = [ 0x30, total, 0x02, r.length ]; + res = res.concat(r, [ 0x02, s.length ], s); + return new Buffer(res) +} + +function getKey (x, q, hash, algo) { + x = new Buffer(x.toArray()); + if (x.length < q.byteLength()) { + var zeros = new Buffer(q.byteLength() - x.length); + zeros.fill(0); + x = Buffer.concat([ zeros, x ]); + } + var hlen = hash.length; + var hbits = bits2octets(hash, q); + var v = new Buffer(hlen); + v.fill(1); + var k = new Buffer(hlen); + k.fill(0); + k = browser$2(algo, k).update(v).update(new Buffer([ 0 ])).update(x).update(hbits).digest(); + v = browser$2(algo, k).update(v).digest(); + k = browser$2(algo, k).update(v).update(new Buffer([ 1 ])).update(x).update(hbits).digest(); + v = browser$2(algo, k).update(v).digest(); + return { k: k, v: v } +} + +function bits2int (obits, q) { + var bits = new bn(obits); + var shift = (obits.length << 3) - q.bitLength(); + if (shift > 0) bits.ishrn(shift); + return bits +} + +function bits2octets (bits, q) { + bits = bits2int(bits, q); + bits = bits.mod(q); + var out = new Buffer(bits.toArray()); + if (out.length < q.byteLength()) { + var zeros = new Buffer(q.byteLength() - out.length); + zeros.fill(0); + out = Buffer.concat([ zeros, out ]); + } + return out +} + +function makeKey (q, kv, algo) { + var t; + var k; + + do { + t = new Buffer(0); + + while (t.length * 8 < q.bitLength()) { + kv.v = browser$2(algo, kv.k).update(kv.v).digest(); + t = Buffer.concat([ t, kv.v ]); + } + + k = bits2int(t, q); + kv.k = browser$2(algo, kv.k).update(kv.v).update(new Buffer([ 0 ])).digest(); + kv.v = browser$2(algo, kv.k).update(kv.v).digest(); + } while (k.cmp(q) !== -1) + + return k +} + +function makeR (g, k, p, q) { + return g.toRed(bn.mont(p)).redPow(k).fromRed().mod(q) +} + +var sign_1 = sign; +var getKey_1 = getKey; +var makeKey_1 = makeKey; +sign_1.getKey = getKey_1; +sign_1.makeKey = makeKey_1; + +// much of this based on https://github.com/indutny/self-signed/blob/gh-pages/lib/rsa.js + +var EC$2 = elliptic_1.ec; + + + +function verify (sig, hash, key, signType, tag) { + var pub = parseAsn1(key); + if (pub.type === 'ec') { + // rsa keys can be interpreted as ecdsa ones in openssl + if (signType !== 'ecdsa' && signType !== 'ecdsa/rsa') throw new Error('wrong public key type') + return ecVerify(sig, hash, pub) + } else if (pub.type === 'dsa') { + if (signType !== 'dsa') throw new Error('wrong public key type') + return dsaVerify(sig, hash, pub) + } else { + if (signType !== 'rsa' && signType !== 'ecdsa/rsa') throw new Error('wrong public key type') + } + hash = Buffer.concat([tag, hash]); + var len = pub.modulus.byteLength(); + var pad = [ 1 ]; + var padNum = 0; + while (hash.length + pad.length + 2 < len) { + pad.push(0xff); + padNum++; + } + pad.push(0x00); + var i = -1; + while (++i < hash.length) { + pad.push(hash[i]); + } + pad = new Buffer(pad); + var red = bn.mont(pub.modulus); + sig = new bn(sig).toRed(red); + + sig = sig.redPow(new bn(pub.publicExponent)); + sig = new Buffer(sig.fromRed().toArray()); + var out = padNum < 8 ? 1 : 0; + len = Math.min(sig.length, pad.length); + if (sig.length !== pad.length) out = 1; + + i = -1; + while (++i < len) out |= sig[i] ^ pad[i]; + return out === 0 +} + +function ecVerify (sig, hash, pub) { + var curveId = curves$2[pub.data.algorithm.curve.join('.')]; + if (!curveId) throw new Error('unknown curve ' + pub.data.algorithm.curve.join('.')) + + var curve = new EC$2(curveId); + var pubkey = pub.data.subjectPrivateKey.data; + + return curve.verify(hash, sig, pubkey) +} + +function dsaVerify (sig, hash, pub) { + var p = pub.data.p; + var q = pub.data.q; + var g = pub.data.g; + var y = pub.data.pub_key; + var unpacked = parseAsn1.signature.decode(sig, 'der'); + var s = unpacked.s; + var r = unpacked.r; + checkValue(s, q); + checkValue(r, q); + var montp = bn.mont(p); + var w = s.invm(q); + var v = g.toRed(montp) + .redPow(new bn(hash).mul(w).mod(q)) + .fromRed() + .mul(y.toRed(montp).redPow(r.mul(w).mod(q)).fromRed()) + .mod(p) + .mod(q); + return v.cmp(r) === 0 +} + +function checkValue (b, q) { + if (b.cmpn(0) <= 0) throw new Error('invalid sig') + if (b.cmp(q) >= q) throw new Error('invalid sig') +} + +var verify_1 = verify; + +Object.keys(algorithms$2).forEach(function (key) { + algorithms$2[key].id = new Buffer(algorithms$2[key].id, 'hex'); + algorithms$2[key.toLowerCase()] = algorithms$2[key]; +}); + +function Sign (algorithm) { + stream.Writable.call(this); + + var data = algorithms$2[algorithm]; + if (!data) throw new Error('Unknown message digest') + + this._hashType = data.hash; + this._hash = browser$1(data.hash); + this._tag = data.id; + this._signType = data.sign; +} +inherits_browser(Sign, stream.Writable); + +Sign.prototype._write = function _write (data, _, done) { + this._hash.update(data); + done(); +}; + +Sign.prototype.update = function update (data, enc) { + if (typeof data === 'string') data = new Buffer(data, enc); + + this._hash.update(data); + return this +}; + +Sign.prototype.sign = function signMethod (key, enc) { + this.end(); + var hash = this._hash.digest(); + var sig = sign_1(hash, key, this._hashType, this._signType, this._tag); + + return enc ? sig.toString(enc) : sig +}; + +function Verify (algorithm) { + stream.Writable.call(this); + + var data = algorithms$2[algorithm]; + if (!data) throw new Error('Unknown message digest') + + this._hash = browser$1(data.hash); + this._tag = data.id; + this._signType = data.sign; +} +inherits_browser(Verify, stream.Writable); + +Verify.prototype._write = function _write (data, _, done) { + this._hash.update(data); + done(); +}; + +Verify.prototype.update = function update (data, enc) { + if (typeof data === 'string') data = new Buffer(data, enc); + + this._hash.update(data); + return this +}; + +Verify.prototype.verify = function verifyMethod (key, sig, enc) { + if (typeof sig === 'string') sig = new Buffer(sig, enc); + + this.end(); + var hash = this._hash.digest(); + return verify_1(sig, hash, key, this._signType, this._tag) +}; + +function createSign (algorithm) { + return new Sign(algorithm) +} + +function createVerify (algorithm) { + return new Verify(algorithm) +} + +var browser$7 = { + Sign: createSign, + Verify: createVerify, + createSign: createSign, + createVerify: createVerify +}; + +var browser$8 = function createECDH (curve) { + return new ECDH(curve) +}; + +var aliases = { + secp256k1: { + name: 'secp256k1', + byteLength: 32 + }, + secp224r1: { + name: 'p224', + byteLength: 28 + }, + prime256v1: { + name: 'p256', + byteLength: 32 + }, + prime192v1: { + name: 'p192', + byteLength: 24 + }, + ed25519: { + name: 'ed25519', + byteLength: 32 + }, + secp384r1: { + name: 'p384', + byteLength: 48 + }, + secp521r1: { + name: 'p521', + byteLength: 66 + } +}; + +aliases.p224 = aliases.secp224r1; +aliases.p256 = aliases.secp256r1 = aliases.prime256v1; +aliases.p192 = aliases.secp192r1 = aliases.prime192v1; +aliases.p384 = aliases.secp384r1; +aliases.p521 = aliases.secp521r1; + +function ECDH (curve) { + this.curveType = aliases[curve]; + if (!this.curveType) { + this.curveType = { + name: curve + }; + } + this.curve = new elliptic_1.ec(this.curveType.name); // eslint-disable-line new-cap + this.keys = void 0; +} + +ECDH.prototype.generateKeys = function (enc, format) { + this.keys = this.curve.genKeyPair(); + return this.getPublicKey(enc, format) +}; + +ECDH.prototype.computeSecret = function (other, inenc, enc) { + inenc = inenc || 'utf8'; + if (!Buffer.isBuffer(other)) { + other = new Buffer(other, inenc); + } + var otherPub = this.curve.keyFromPublic(other).getPublic(); + var out = otherPub.mul(this.keys.getPrivate()).getX(); + return formatReturnValue$1(out, enc, this.curveType.byteLength) +}; + +ECDH.prototype.getPublicKey = function (enc, format) { + var key = this.keys.getPublic(format === 'compressed', true); + if (format === 'hybrid') { + if (key[key.length - 1] % 2) { + key[0] = 7; + } else { + key[0] = 6; + } + } + return formatReturnValue$1(key, enc) +}; + +ECDH.prototype.getPrivateKey = function (enc) { + return formatReturnValue$1(this.keys.getPrivate(), enc) +}; + +ECDH.prototype.setPublicKey = function (pub, enc) { + enc = enc || 'utf8'; + if (!Buffer.isBuffer(pub)) { + pub = new Buffer(pub, enc); + } + this.keys._importPublic(pub); + return this +}; + +ECDH.prototype.setPrivateKey = function (priv, enc) { + enc = enc || 'utf8'; + if (!Buffer.isBuffer(priv)) { + priv = new Buffer(priv, enc); + } + + var _priv = new bn(priv); + _priv = _priv.toString(16); + this.keys = this.curve.genKeyPair(); + this.keys._importPrivate(_priv); + return this +}; + +function formatReturnValue$1 (bn, enc, len) { + if (!Array.isArray(bn)) { + bn = bn.toArray(); + } + var buf = new Buffer(bn); + if (len && buf.length < len) { + var zeros = new Buffer(len - buf.length); + zeros.fill(0); + buf = Buffer.concat([zeros, buf]); + } + if (!enc) { + return buf + } else { + return buf.toString(enc) + } +} + +var Buffer$x = safeBuffer.Buffer; + +var mgf = function (seed, len) { + var t = Buffer$x.alloc(0); + var i = 0; + var c; + while (t.length < len) { + c = i2ops(i++); + t = Buffer$x.concat([t, browser$1('sha1').update(seed).update(c).digest()]); + } + return t.slice(0, len) +}; + +function i2ops (c) { + var out = Buffer$x.allocUnsafe(4); + out.writeUInt32BE(c, 0); + return out +} + +var xor = function xor (a, b) { + var len = a.length; + var i = -1; + while (++i < len) { + a[i] ^= b[i]; + } + return a +}; + +var Buffer$y = safeBuffer.Buffer; + +function withPublic (paddedMsg, key) { + return Buffer$y.from(paddedMsg + .toRed(bn.mont(key.modulus)) + .redPow(new bn(key.publicExponent)) + .fromRed() + .toArray()) +} + +var withPublic_1 = withPublic; + +var Buffer$z = safeBuffer.Buffer; + +var publicEncrypt = function publicEncrypt (publicKey, msg, reverse) { + var padding; + if (publicKey.padding) { + padding = publicKey.padding; + } else if (reverse) { + padding = 1; + } else { + padding = 4; + } + var key = parseAsn1(publicKey); + var paddedMsg; + if (padding === 4) { + paddedMsg = oaep(key, msg); + } else if (padding === 1) { + paddedMsg = pkcs1(key, msg, reverse); + } else if (padding === 3) { + paddedMsg = new bn(msg); + if (paddedMsg.cmp(key.modulus) >= 0) { + throw new Error('data too long for modulus') + } + } else { + throw new Error('unknown padding') + } + if (reverse) { + return browserifyRsa(paddedMsg, key) + } else { + return withPublic_1(paddedMsg, key) + } +}; + +function oaep (key, msg) { + var k = key.modulus.byteLength(); + var mLen = msg.length; + var iHash = browser$1('sha1').update(Buffer$z.alloc(0)).digest(); + var hLen = iHash.length; + var hLen2 = 2 * hLen; + if (mLen > k - hLen2 - 2) { + throw new Error('message too long') + } + var ps = Buffer$z.alloc(k - mLen - hLen2 - 2); + var dblen = k - hLen - 1; + var seed = browser(hLen); + var maskedDb = xor(Buffer$z.concat([iHash, ps, Buffer$z.alloc(1, 1), msg], dblen), mgf(seed, dblen)); + var maskedSeed = xor(seed, mgf(maskedDb, hLen)); + return new bn(Buffer$z.concat([Buffer$z.alloc(1), maskedSeed, maskedDb], k)) +} +function pkcs1 (key, msg, reverse) { + var mLen = msg.length; + var k = key.modulus.byteLength(); + if (mLen > k - 11) { + throw new Error('message too long') + } + var ps; + if (reverse) { + ps = Buffer$z.alloc(k - mLen - 3, 0xff); + } else { + ps = nonZero(k - mLen - 3); + } + return new bn(Buffer$z.concat([Buffer$z.from([0, reverse ? 1 : 2]), ps, Buffer$z.alloc(1), msg], k)) +} +function nonZero (len) { + var out = Buffer$z.allocUnsafe(len); + var i = 0; + var cache = browser(len * 2); + var cur = 0; + var num; + while (i < len) { + if (cur === cache.length) { + cache = browser(len * 2); + cur = 0; + } + num = cache[cur++]; + if (num) { + out[i++] = num; + } + } + return out +} + +var Buffer$A = safeBuffer.Buffer; + +var privateDecrypt = function privateDecrypt (privateKey, enc, reverse) { + var padding; + if (privateKey.padding) { + padding = privateKey.padding; + } else if (reverse) { + padding = 1; + } else { + padding = 4; + } + + var key = parseAsn1(privateKey); + var k = key.modulus.byteLength(); + if (enc.length > k || new bn(enc).cmp(key.modulus) >= 0) { + throw new Error('decryption error') + } + var msg; + if (reverse) { + msg = withPublic_1(new bn(enc), key); + } else { + msg = browserifyRsa(enc, key); + } + var zBuffer = Buffer$A.alloc(k - msg.length); + msg = Buffer$A.concat([zBuffer, msg], k); + if (padding === 4) { + return oaep$1(key, msg) + } else if (padding === 1) { + return pkcs1$1(key, msg, reverse) + } else if (padding === 3) { + return msg + } else { + throw new Error('unknown padding') + } +}; + +function oaep$1 (key, msg) { + var k = key.modulus.byteLength(); + var iHash = browser$1('sha1').update(Buffer$A.alloc(0)).digest(); + var hLen = iHash.length; + if (msg[0] !== 0) { + throw new Error('decryption error') + } + var maskedSeed = msg.slice(1, hLen + 1); + var maskedDb = msg.slice(hLen + 1); + var seed = xor(maskedSeed, mgf(maskedDb, hLen)); + var db = xor(maskedDb, mgf(seed, k - hLen - 1)); + if (compare(iHash, db.slice(0, hLen))) { + throw new Error('decryption error') + } + var i = hLen; + while (db[i] === 0) { + i++; + } + if (db[i++] !== 1) { + throw new Error('decryption error') + } + return db.slice(i) +} + +function pkcs1$1 (key, msg, reverse) { + var p1 = msg.slice(0, 2); + var i = 2; + var status = 0; + while (msg[i++] !== 0) { + if (i >= msg.length) { + status++; + break + } + } + var ps = msg.slice(2, i - 1); + + if ((p1.toString('hex') !== '0002' && !reverse) || (p1.toString('hex') !== '0001' && reverse)) { + status++; + } + if (ps.length < 8) { + status++; + } + if (status) { + throw new Error('decryption error') + } + return msg.slice(i) +} +function compare (a, b) { + a = Buffer$A.from(a); + b = Buffer$A.from(b); + var dif = 0; + var len = a.length; + if (a.length !== b.length) { + dif++; + len = Math.min(a.length, b.length); + } + var i = -1; + while (++i < len) { + dif += (a[i] ^ b[i]); + } + return dif +} + +var browser$9 = createCommonjsModule(function (module, exports) { +exports.publicEncrypt = publicEncrypt; +exports.privateDecrypt = privateDecrypt; + +exports.privateEncrypt = function privateEncrypt (key, buf) { + return exports.publicEncrypt(key, buf, true) +}; + +exports.publicDecrypt = function publicDecrypt (key, buf) { + return exports.privateDecrypt(key, buf, true) +}; +}); +var browser_1$3 = browser$9.publicEncrypt; +var browser_2$3 = browser$9.privateDecrypt; +var browser_3$3 = browser$9.privateEncrypt; +var browser_4$3 = browser$9.publicDecrypt; + +var browser$a = createCommonjsModule(function (module, exports) { + +function oldBrowser () { + throw new Error('secure random number generation not supported by this browser\nuse chrome, FireFox or Internet Explorer 11') +} + + +var Buffer = safeBuffer.Buffer; +var kBufferMaxLength = safeBuffer.kMaxLength; +var crypto = commonjsGlobal.crypto || commonjsGlobal.msCrypto; +var kMaxUint32 = Math.pow(2, 32) - 1; +function assertOffset (offset, length) { + if (typeof offset !== 'number' || offset !== offset) { // eslint-disable-line no-self-compare + throw new TypeError('offset must be a number') + } + + if (offset > kMaxUint32 || offset < 0) { + throw new TypeError('offset must be a uint32') + } + + if (offset > kBufferMaxLength || offset > length) { + throw new RangeError('offset out of range') + } +} + +function assertSize (size, offset, length) { + if (typeof size !== 'number' || size !== size) { // eslint-disable-line no-self-compare + throw new TypeError('size must be a number') + } + + if (size > kMaxUint32 || size < 0) { + throw new TypeError('size must be a uint32') + } + + if (size + offset > length || size > kBufferMaxLength) { + throw new RangeError('buffer too small') + } +} +if ((crypto && crypto.getRandomValues) || !process.browser) { + exports.randomFill = randomFill; + exports.randomFillSync = randomFillSync; +} else { + exports.randomFill = oldBrowser; + exports.randomFillSync = oldBrowser; +} +function randomFill (buf, offset, size, cb) { + if (!Buffer.isBuffer(buf) && !(buf instanceof commonjsGlobal.Uint8Array)) { + throw new TypeError('"buf" argument must be a Buffer or Uint8Array') + } + + if (typeof offset === 'function') { + cb = offset; + offset = 0; + size = buf.length; + } else if (typeof size === 'function') { + cb = size; + size = buf.length - offset; + } else if (typeof cb !== 'function') { + throw new TypeError('"cb" argument must be a function') + } + assertOffset(offset, buf.length); + assertSize(size, offset, buf.length); + return actualFill(buf, offset, size, cb) +} + +function actualFill (buf, offset, size, cb) { + if (process.browser) { + var ourBuf = buf.buffer; + var uint = new Uint8Array(ourBuf, offset, size); + crypto.getRandomValues(uint); + if (cb) { + process.nextTick(function () { + cb(null, buf); + }); + return + } + return buf + } + if (cb) { + browser(size, function (err, bytes) { + if (err) { + return cb(err) + } + bytes.copy(buf, offset); + cb(null, buf); + }); + return + } + var bytes = browser(size); + bytes.copy(buf, offset); + return buf +} +function randomFillSync (buf, offset, size) { + if (typeof offset === 'undefined') { + offset = 0; + } + if (!Buffer.isBuffer(buf) && !(buf instanceof commonjsGlobal.Uint8Array)) { + throw new TypeError('"buf" argument must be a Buffer or Uint8Array') + } + + assertOffset(offset, buf.length); + + if (size === undefined) size = buf.length - offset; + + assertSize(size, offset, buf.length); + + return actualFill(buf, offset, size) +} +}); +var browser_1$4 = browser$a.randomFill; +var browser_2$4 = browser$a.randomFillSync; + +var cryptoBrowserify = createCommonjsModule(function (module, exports) { + +exports.randomBytes = exports.rng = exports.pseudoRandomBytes = exports.prng = browser; +exports.createHash = exports.Hash = browser$1; +exports.createHmac = exports.Hmac = browser$2; + + +var algoKeys = Object.keys(algos); +var hashes = ['sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'md5', 'rmd160'].concat(algoKeys); +exports.getHashes = function () { + return hashes +}; + + +exports.pbkdf2 = browser$3.pbkdf2; +exports.pbkdf2Sync = browser$3.pbkdf2Sync; + + + +exports.Cipher = browser$5.Cipher; +exports.createCipher = browser$5.createCipher; +exports.Cipheriv = browser$5.Cipheriv; +exports.createCipheriv = browser$5.createCipheriv; +exports.Decipher = browser$5.Decipher; +exports.createDecipher = browser$5.createDecipher; +exports.Decipheriv = browser$5.Decipheriv; +exports.createDecipheriv = browser$5.createDecipheriv; +exports.getCiphers = browser$5.getCiphers; +exports.listCiphers = browser$5.listCiphers; + + + +exports.DiffieHellmanGroup = browser$6.DiffieHellmanGroup; +exports.createDiffieHellmanGroup = browser$6.createDiffieHellmanGroup; +exports.getDiffieHellman = browser$6.getDiffieHellman; +exports.createDiffieHellman = browser$6.createDiffieHellman; +exports.DiffieHellman = browser$6.DiffieHellman; + + + +exports.createSign = browser$7.createSign; +exports.Sign = browser$7.Sign; +exports.createVerify = browser$7.createVerify; +exports.Verify = browser$7.Verify; + +exports.createECDH = browser$8; + + + +exports.publicEncrypt = browser$9.publicEncrypt; +exports.privateEncrypt = browser$9.privateEncrypt; +exports.publicDecrypt = browser$9.publicDecrypt; +exports.privateDecrypt = browser$9.privateDecrypt; + +// the least I can do is make error messages for the rest of the node.js/crypto api. +// ;[ +// 'createCredentials' +// ].forEach(function (name) { +// exports[name] = function () { +// throw new Error([ +// 'sorry, ' + name + ' is not implemented yet', +// 'we accept pull requests', +// 'https://github.com/crypto-browserify/crypto-browserify' +// ].join('\n')) +// } +// }) + + + +exports.randomFill = browser$a.randomFill; +exports.randomFillSync = browser$a.randomFillSync; + +exports.createCredentials = function () { + throw new Error([ + 'sorry, createCredentials is not implemented yet', + 'we accept pull requests', + 'https://github.com/crypto-browserify/crypto-browserify' + ].join('\n')) +}; + +exports.constants = { + 'DH_CHECK_P_NOT_SAFE_PRIME': 2, + 'DH_CHECK_P_NOT_PRIME': 1, + 'DH_UNABLE_TO_CHECK_GENERATOR': 4, + 'DH_NOT_SUITABLE_GENERATOR': 8, + 'NPN_ENABLED': 1, + 'ALPN_ENABLED': 1, + 'RSA_PKCS1_PADDING': 1, + 'RSA_SSLV23_PADDING': 2, + 'RSA_NO_PADDING': 3, + 'RSA_PKCS1_OAEP_PADDING': 4, + 'RSA_X931_PADDING': 5, + 'RSA_PKCS1_PSS_PADDING': 6, + 'POINT_CONVERSION_COMPRESSED': 2, + 'POINT_CONVERSION_UNCOMPRESSED': 4, + 'POINT_CONVERSION_HYBRID': 6 +}; +}); +var cryptoBrowserify_1 = cryptoBrowserify.randomBytes; +var cryptoBrowserify_2 = cryptoBrowserify.rng; +var cryptoBrowserify_3 = cryptoBrowserify.pseudoRandomBytes; +var cryptoBrowserify_4 = cryptoBrowserify.prng; +var cryptoBrowserify_5 = cryptoBrowserify.createHash; +var cryptoBrowserify_6 = cryptoBrowserify.Hash; +var cryptoBrowserify_7 = cryptoBrowserify.createHmac; +var cryptoBrowserify_8 = cryptoBrowserify.Hmac; +var cryptoBrowserify_9 = cryptoBrowserify.getHashes; +var cryptoBrowserify_10 = cryptoBrowserify.pbkdf2; +var cryptoBrowserify_11 = cryptoBrowserify.pbkdf2Sync; +var cryptoBrowserify_12 = cryptoBrowserify.Cipher; +var cryptoBrowserify_13 = cryptoBrowserify.createCipher; +var cryptoBrowserify_14 = cryptoBrowserify.Cipheriv; +var cryptoBrowserify_15 = cryptoBrowserify.createCipheriv; +var cryptoBrowserify_16 = cryptoBrowserify.Decipher; +var cryptoBrowserify_17 = cryptoBrowserify.createDecipher; +var cryptoBrowserify_18 = cryptoBrowserify.Decipheriv; +var cryptoBrowserify_19 = cryptoBrowserify.createDecipheriv; +var cryptoBrowserify_20 = cryptoBrowserify.getCiphers; +var cryptoBrowserify_21 = cryptoBrowserify.listCiphers; +var cryptoBrowserify_22 = cryptoBrowserify.DiffieHellmanGroup; +var cryptoBrowserify_23 = cryptoBrowserify.createDiffieHellmanGroup; +var cryptoBrowserify_24 = cryptoBrowserify.getDiffieHellman; +var cryptoBrowserify_25 = cryptoBrowserify.createDiffieHellman; +var cryptoBrowserify_26 = cryptoBrowserify.DiffieHellman; +var cryptoBrowserify_27 = cryptoBrowserify.createSign; +var cryptoBrowserify_28 = cryptoBrowserify.Sign; +var cryptoBrowserify_29 = cryptoBrowserify.createVerify; +var cryptoBrowserify_30 = cryptoBrowserify.Verify; +var cryptoBrowserify_31 = cryptoBrowserify.createECDH; +var cryptoBrowserify_32 = cryptoBrowserify.publicEncrypt; +var cryptoBrowserify_33 = cryptoBrowserify.privateEncrypt; +var cryptoBrowserify_34 = cryptoBrowserify.publicDecrypt; +var cryptoBrowserify_35 = cryptoBrowserify.privateDecrypt; +var cryptoBrowserify_36 = cryptoBrowserify.randomFill; +var cryptoBrowserify_37 = cryptoBrowserify.randomFillSync; +var cryptoBrowserify_38 = cryptoBrowserify.createCredentials; +var cryptoBrowserify_39 = cryptoBrowserify.constants; + +export default cryptoBrowserify; +export { cryptoBrowserify_12 as Cipher, cryptoBrowserify_14 as Cipheriv, cryptoBrowserify_16 as Decipher, cryptoBrowserify_18 as Decipheriv, cryptoBrowserify_26 as DiffieHellman, cryptoBrowserify_22 as DiffieHellmanGroup, cryptoBrowserify_6 as Hash, cryptoBrowserify_8 as Hmac, cryptoBrowserify_28 as Sign, cryptoBrowserify_30 as Verify, cryptoBrowserify_39 as constants, cryptoBrowserify_13 as createCipher, cryptoBrowserify_15 as createCipheriv, cryptoBrowserify_38 as createCredentials, cryptoBrowserify_17 as createDecipher, cryptoBrowserify_19 as createDecipheriv, cryptoBrowserify_25 as createDiffieHellman, cryptoBrowserify_23 as createDiffieHellmanGroup, cryptoBrowserify_31 as createECDH, cryptoBrowserify_5 as createHash, cryptoBrowserify_7 as createHmac, cryptoBrowserify_27 as createSign, cryptoBrowserify_29 as createVerify, cryptoBrowserify_20 as getCiphers, cryptoBrowserify_24 as getDiffieHellman, cryptoBrowserify_9 as getHashes, cryptoBrowserify_21 as listCiphers, cryptoBrowserify_10 as pbkdf2, cryptoBrowserify_11 as pbkdf2Sync, cryptoBrowserify_35 as privateDecrypt, cryptoBrowserify_33 as privateEncrypt, cryptoBrowserify_4 as prng, cryptoBrowserify_3 as pseudoRandomBytes, cryptoBrowserify_34 as publicDecrypt, cryptoBrowserify_32 as publicEncrypt, cryptoBrowserify_1 as randomBytes, cryptoBrowserify_36 as randomFill, cryptoBrowserify_37 as randomFillSync, cryptoBrowserify_2 as rng }; 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