Function hkdfDeriveBits

lib/internal/crypto/hkdf.js:154–168

(algorithm, baseKey, length)

}

function hkdfDeriveBits(algorithm, baseKey, length) {
  validateHkdfDeriveBitsLength(length);
  const { hash, salt, info } = algorithm;

  if (length === 0)
    return PromiseResolve(new ArrayBuffer(0));

  return jobPromise(() => new HKDFJob(
    kCryptoJobWebCrypto,
    normalizeHashName(hash.name),
    getCryptoKeyHandle(baseKey),
    salt,
    info,
    length / 8));
}

module.exports = {
  hkdf,