public async Task <string> GetEncryptionKey()
        {
            await Scatter.Connect();

            var fromKey = await Scatter.GetPublicKey(ScatterConstants.Blockchains.EOSIO);

            var toKey = await Scatter.GetPublicKey(ScatterConstants.Blockchains.EOSIO);

            var r = new Random();

            return(await Scatter.GetEncryptionKey(fromKey, toKey, (UInt64)r.Next()));
        }
        public async Task <bool> SimulateSendSecretMessage()
        {
            await Scatter.Connect();

            var fromKey = await Scatter.GetPublicKey(ScatterConstants.Blockchains.EOSIO);

            var toKey = await Scatter.GetPublicKey(ScatterConstants.Blockchains.EOSIO);

            var r              = new Random();
            var nonce          = (UInt64)r.Next();
            var text           = "Hello crypto secret message!";
            var encryptionKeyA = await Scatter.GetEncryptionKey(fromKey, toKey, nonce);

            var encryptionKeyABytes = UtilsHelper.HexStringToByteArray(encryptionKeyA);

            Console.WriteLine("FromKey:    {0}", fromKey);
            Console.WriteLine("ToKey:      {0}", toKey);
            Console.WriteLine("Original:   {0}", text);

            var encrypted = CryptoHelper.AesEncrypt(encryptionKeyABytes, text);

            Console.WriteLine("Encrypted:  {0}", Encoding.UTF8.GetString(encrypted));

            //...Send over the wire...

            var encryptionKeyB = await Scatter.GetEncryptionKey(toKey, fromKey, nonce);

            var encryptionKeyBBytes = UtilsHelper.HexStringToByteArray(encryptionKeyB);

            Console.WriteLine("A_PVT_KEY + B_PUB_KEY:    {0}", encryptionKeyA);
            Console.WriteLine("B_PVT_KEY + A_PUB_KEY:    {0}", encryptionKeyB);

            var roundtrip = CryptoHelper.AesDecrypt(encryptionKeyBBytes, encrypted);

            Console.WriteLine("Round Trip: {0}", roundtrip);

            return(encryptionKeyA == encryptionKeyB);
        }
        public async Task OneWayEncryptDecrypt()
        {
            await Scatter.Connect();

            var fromKey = await Scatter.GetPublicKey(ScatterConstants.Blockchains.EOSIO);

            var toKey = await Scatter.GetPublicKey(ScatterConstants.Blockchains.EOSIO);

            var r             = new Random();
            var encryptionKey = await Scatter.GetEncryptionKey(fromKey, toKey, (UInt64)r.Next());

            var encryptionKeyBytes = UtilsHelper.HexStringToByteArray(encryptionKey);

            string text      = "Hello crypto secret message!";
            var    encrypted = CryptoHelper.AesEncrypt(encryptionKeyBytes, text);
            var    roundtrip = CryptoHelper.AesDecrypt(encryptionKeyBytes, encrypted);

            Console.WriteLine("FromKey:    {0}", fromKey);
            Console.WriteLine("ToKey:      {0}", toKey);
            Console.WriteLine("Original:   {0}", text);
            Console.WriteLine("Encrypted:  {0}", Encoding.UTF8.GetString(encrypted));
            Console.WriteLine("Round Trip: {0}", roundtrip);
        }