blake3-wasm/esm/node/hash-fn.js

BLAKE3 hashing for JavaScript: WebAssembly bindings only

import { defaultHashLength, hashOneShot, inputToArray, } from '@c4312/blake3-internal';
import { createDeriveKey, createKeyed } from './hash-instance';
/**
 * Returns a blake3 hash of the input.
 */
export function hash(input, { length = defaultHashLength } = {}) {
    return Buffer.from(hashOneShot(inputToArray(input), length));
}
/**
 * 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 = createDeriveKey(context);
    derive.update(inputToArray(material));
    const digest = derive.digest({ length });
    derive.dispose();
    return digest;
}
/**
 * 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 } = {}) {
    const keyed = createKeyed(key);
    keyed.update(inputToArray(input));
    const digest = keyed.digest({ length });
    keyed.dispose();
    return digest;
}
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