public void DecodeRSA()
    {
        for (int i = 0; i < 100; i++)
        {
            RSAKeyPair kp = new RSAKeyPair(512);

            string mneomnic    = Mnemonic.Encode(kp.PrivateKey);
            byte[] privateKey1 = Mnemonic.Decode(mneomnic);

            CollectionAssert.AreEqual(kp.PrivateKey, privateKey1);
        }
    }