Function getUIntOption

lib/internal/crypto/cipher.js:106–115

(options, key)

}

function getUIntOption(options, key) {
  let value;
  if (options && (value = options[key]) != null) {
    if (value >>> 0 !== value)
      throw new ERR_INVALID_ARG_VALUE(`options.${key}`, value);
    // Coerce -0 to +0.
    return value + 0;
  }
  return -1;
}

function createCipherBase(cipher, credential, options, isEncrypt, iv) {
  const authTagLength = getUIntOption(options, 'authTagLength');