; it should accept
    a single integer N and return a string of random data,
    N bytes long. If not specified, a new RNG will be
    instantiated from ``Cryptodome.Random``.

:Returns:
  The encrypted data, as a binary string.
z5^(PBKDF2WithHMAC-([0-9A-Z-]+)|scrypt)And([0-9A-Z-]+)$z