        | otherwise      = oneof [ return AES128_WRAP_PAD
                                 , return AES192_WRAP_PAD
                                 , return AES256_WRAP_PAD
                                 , RC2_WRAP <$> choose (1, 1024)
                                 ]

    arbitraryDHParams = oneof [ arbitraryCredNamedEC
                              , arbitraryCredX25519
                              , arbitraryCredX448
                              ]
