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"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const native_1 = __importDefault(require("./native"));
const hash_fn_1 = require("../base/hash-fn");
/**
* @hidden
*/
exports.normalizeInput = (input, encoding) => {
if (input instanceof Buffer) {
return input;
}
if (typeof input === 'string') {
return Buffer.from(input, encoding);
}
return Buffer.from(input);
};
/**
* Returns a blake3 hash of the input, returning the binary hash data.
*/
function hash(input, { length = hash_fn_1.defaultHashLength } = {}) {
return native_1.default.hash(exports.normalizeInput(input), length);
}
exports.hash = hash;
/**
* Given cryptographic key material and a context string, services a subkey of
* any length. See {@link https://docs.rs/blake3/0.1.3/blake3/fn.derive_key.html}
* for more information.
*/
function deriveKey(context, material, { length = hash_fn_1.defaultHashLength } = {}) {
const hasher = new native_1.default.Hasher(undefined, context);
hasher.update(exports.normalizeInput(material));
const result = Buffer.alloc(length);
hasher.digest(result);
return result;
}
exports.deriveKey = deriveKey;
/**
* The keyed hash function. See {@link https://docs.rs/blake3/0.1.3/blake3/fn.keyed_hash.html}.
*/
function keyedHash(key, input, { length = hash_fn_1.defaultHashLength } = {}) {
const hasher = new native_1.default.Hasher(key);
hasher.update(exports.normalizeInput(input));
const result = Buffer.alloc(length);
hasher.digest(result);
return result;
}
exports.keyedHash = keyedHash;
//# sourceMappingURL=hash-fn.js.map
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