public static byte[] DecodeFromBase64(this ISimpleCryptoProvider c, string data, byte[] key)
        {
            var bytes    = CryptoHelper.String64ToBytes(data);
            var decBytes = c.Decode(bytes, key);

            return(decBytes);
        }
        public static byte[] Decode(this ISimpleCryptoProvider c, string data, byte[] key)
        {
            var bytes = CryptoHelper.StringToBytes(data);

            return(c.Decode(bytes, key));
        }