Pike 7.8/Roxen5 problem

[Marcus Comstedt (ACROSS) (Hail Ilpalazzo!) @ Pike (-) developers forum]

You can use

  Crypto.CBC cbc = Crypto.CBC(cr);
  cbc->set_decrypt_key(x);
  cbc->decrypt(in);

That will give you CBC mode, but if your data is only one block that
shouldn't matter, I suppose.