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42 lines
No EOL
1.5 KiB
JavaScript
42 lines
No EOL
1.5 KiB
JavaScript
import { inputToArray, defaultHashLength } from '../base/hash-fn.js';
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import { Hash } from './hash.js';
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import { getWasm } from './wasm.js';
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const textEncoder = new TextEncoder();
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/**
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* @hidden
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*/
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export const normalizeInput = (input) => inputToArray(typeof input === 'string' ? textEncoder.encode(input) : input);
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/**
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* Returns a blake3 hash of the input.
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*/
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export function hash(input, { length = defaultHashLength } = {}) {
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const result = new Hash(length);
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getWasm().hash(normalizeInput(input), result);
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return result;
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}
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/**
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* Given cryptographic key material and a context string, services a subkey of
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* any length. See {@link https://docs.rs/blake3/0.1.3/blake3/fn.derive_key.html}
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* for more information.
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*/
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export function deriveKey(context, material, { length = defaultHashLength } = {}) {
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const derive = getWasm().create_derive(context);
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derive.update(normalizeInput(material));
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const result = new Hash(length);
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derive.digest(result);
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return result;
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}
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/**
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* The keyed hash function. See {@link https://docs.rs/blake3/0.1.3/blake3/fn.keyed_hash.html}.
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*/
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export function keyedHash(key, input, { length = defaultHashLength } = {}) {
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if (key.length !== 32) {
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throw new Error(`key provided to keyedHash must be 32 bytes, got ${key.length}`);
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}
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const derive = getWasm().create_keyed(key);
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derive.update(normalizeInput(input));
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const result = new Hash(length);
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derive.digest(result);
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return result;
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}
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//# sourceMappingURL=hash-fn.js.map
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