Function check

lib/internal/crypto/pbkdf2.js:86–99

(password, salt, iterations, keylen, digest)

}

function check(password, salt, iterations, keylen, digest) {
  validateString(digest, 'digest');

  password = getArrayBufferOrView(password, 'password');
  salt = getArrayBufferOrView(salt, 'salt');
  // OpenSSL uses a signed int to represent these values, so we are restricted
  // to the 31-bit range here (which is plenty).
  validateInt32(iterations, 'iterations', 1);
  validateInt32(keylen, 'keylen', 0);
  // Coerce -0 to +0.
  keylen += 0;

  return { password, salt, iterations, keylen, digest };
}

function validatePbkdf2DeriveBitsLength(length) {
  if (length === null)