aesGcm method
A factory used by AesGcm.
Implementation
@override
AesGcm aesGcm({
  int secretKeyLength = 32,
  int nonceLength = 12,
}) {
  return DartAesGcm(
    secretKeyLength: secretKeyLength,
    nonceLength: nonceLength,
    random: _random,
  );
}