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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/blake3-wasm/esm/node/hash-fn.js | |
| download | price-tracker-worker-4e87195739f2a5d9a05451b48773c8afdc680765.tar.gz price-tracker-worker-4e87195739f2a5d9a05451b48773c8afdc680765.zip | |
Initial commit (by create-cloudflare CLI)
Diffstat (limited to 'node_modules/blake3-wasm/esm/node/hash-fn.js')
| -rw-r--r-- | node_modules/blake3-wasm/esm/node/hash-fn.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/node_modules/blake3-wasm/esm/node/hash-fn.js b/node_modules/blake3-wasm/esm/node/hash-fn.js new file mode 100644 index 0000000..6c47599 --- /dev/null +++ b/node_modules/blake3-wasm/esm/node/hash-fn.js @@ -0,0 +1,40 @@ +import { inputToArray, defaultHashLength } from '../base/hash-fn.js'; +import { hash as rawHash, create_derive as createDerive, create_keyed as createKeyed, } from '../../dist/wasm/nodejs/blake3_js.js'; +/** + * @hidden + */ +export const normalizeInput = (input, encoding) => inputToArray(typeof input === 'string' ? Buffer.from(input, encoding) : input); +/** + * Returns a blake3 hash of the input, returning the binary hash data. + */ +export function hash(input, { length = defaultHashLength } = {}) { + const result = Buffer.alloc(length); + rawHash(normalizeInput(input), result); + return result; +} +/** + * 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. + */ +export function deriveKey(context, material, { length = defaultHashLength } = {}) { + const derive = createDerive(context); + derive.update(normalizeInput(material)); + const result = Buffer.alloc(length); + derive.digest(result); + return result; +} +/** + * The keyed hash function. See {@link https://docs.rs/blake3/0.1.3/blake3/fn.keyed_hash.html}. + */ +export function keyedHash(key, input, { length = defaultHashLength } = {}) { + if (key.length !== 32) { + throw new Error(`key provided to keyedHash must be 32 bytes, got ${key.length}`); + } + const derive = createKeyed(key); + derive.update(normalizeInput(input)); + const result = Buffer.alloc(length); + derive.digest(result); + return result; +} +//# sourceMappingURL=hash-fn.js.map
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