Function prepareKey

lib/internal/crypto/hkdf.js:80–104

(key)

});

function prepareKey(key) {
  if (isKeyObject(key))
    return prepareSecretKey(key);

  if (isAnyArrayBuffer(key))
    return key;

  key = toBuf(key);

  if (!isArrayBufferView(key)) {
    throw new ERR_INVALID_ARG_TYPE(
      'ikm',
      [
        'string',
        'SecretKeyObject',
        'ArrayBuffer',
        'TypedArray',
        'DataView',
        'Buffer',
      ],
      key);
  }

  return key;
}

function hkdf(hash, key, salt, info, length, callback) {
  ({