Beispiel #1
0
        public static byte[] EncryptBytes(byte[] bytesToEncode, byte[] key)
        {
            res = bytesToEncode;
            var encoder       = new DesEncoder();
            var encodedData   = encoder.Encode(bytesToEncode, key);
            var bytesToRemove = (byte)((8 - bytesToEncode.Length % 8) % 8);

            var result = new byte[encodedData.Length + 1];

            result[0] = bytesToRemove;
            encodedData.CopyTo(result, 1);
            return(result);
        }
Beispiel #2
0
        public static byte[] DecryptBytes(byte[] bytesToDecrypt, byte[] key)
        {
            var encoder       = new DesEncoder();
            int skipCount     = bytesToDecrypt[0];
            var dataToDecrypt = new byte[bytesToDecrypt.Length - 1];

            Array.Copy(bytesToDecrypt, 1, dataToDecrypt, 0, dataToDecrypt.Length);

            var decodedData = encoder.Decode(dataToDecrypt, key);
            var result      = new byte[decodedData.Length - skipCount];

            Array.Copy(decodedData, 0, result, 0, result.Length);

            return(result);
        }