Exemple #1
0
        /// <summary>
        /// 计算MAC
        /// </summary>
        /// <param name="reqData"></param>
        /// <param name="macKey"></param>
        /// <returns></returns>
        public static byte[] getMac(byte[] reqDataBytes, byte[] macKeyBytes)
        {
            reqDataBytes = getEightMultiplesData(reqDataBytes);

            int dataLen  = reqDataBytes.Length;
            int groupLen = dataLen / 8;

            byte[][] body  = new byte[groupLen][];
            int      index = 0;

            for (int i = 0; i < groupLen; i++)
            {
                body[i] = new byte[8];
                Array.Copy(reqDataBytes, index, body[i], 0, 8);
                index += 8;
            }

            byte[] zero = new byte[8];
            for (int i = 0; i < groupLen; i++)
            {
                zero = StringUtil.xor(body[i], zero);
                zero = DesEncryptUtil.desEncrypt(zero, macKeyBytes);
            }
            body = (byte[][])null;
            return(zero);
        }
Exemple #2
0
        /// <summary>
        /// 计算MAC
        /// </summary>
        /// <param name="reqData"></param>
        /// <param name="macKey"></param>
        /// <returns></returns>
        public static byte[] getMac(byte[] reqDataBytes, byte[] macKeyBytes)
        {
            byte[] left  = new byte[8];
            byte[] right = new byte[8];
            Array.Copy(macKeyBytes, 0, left, 0, 8);
            Array.Copy(macKeyBytes, 8, right, 0, 8);

            byte[] macTemp    = ANSIX99.getMac(reqDataBytes, left);
            string macTempStr = StringUtil.byteToHexString(macTemp);

            byte[] desRightTemp    = DesEncryptUtil.desDecrypt(macTemp, right);
            string desRightTempStr = StringUtil.byteToHexString(desRightTemp);

            byte[] mac    = DesEncryptUtil.desEncrypt(desRightTemp, left);
            string macStr = StringUtil.byteToHexString(mac);

            return(mac);
        }
Exemple #3
0
        public static byte[] getMac(byte[] reqDataBytes, byte[] keyBytes)
        {
            int dataLen  = reqDataBytes.Length;
            int groupLen = dataLen / 8;

            byte[][] body  = new byte[groupLen][];
            int      index = 0;

            for (int i = 0; i < groupLen; i++)
            {
                body[i] = new byte[8];
                Array.Copy(reqDataBytes, index, body[i], 0, 8);
                index += 8;
            }
            byte[] zero = new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
            for (int i = 0; i < groupLen; i++)
            {
                zero = StringUtil.xor(body[i], zero);
            }
            body = null;
            string bodyXor = StringUtil.byteToHexString(zero);//异或的结果

            Console.WriteLine("异或结果:" + bodyXor);
            zero = null;
            byte[] bodyXor_1 = Encoding.UTF8.GetBytes(bodyXor.Substring(0, 8));
            Console.WriteLine("左半部分:" + StringUtil.byteToHexString(bodyXor_1));
            /**  开始进行加密[第一次]  **/
            byte[] bodyXor_encrypt = DesEncryptUtil.desEncrypt(bodyXor_1, keyBytes);
            Console.WriteLine("左半部分加密结果:" + StringUtil.byteToHexString(bodyXor_encrypt));
            bodyXor_1 = null;
            int bodyLength = bodyXor.Length;

            byte[] bodyXor_2 = Encoding.UTF8.GetBytes(bodyXor.Substring(8, 8));
            Console.WriteLine("右半部分:" + StringUtil.byteToHexString(bodyXor_2));
            byte[] keyXor = StringUtil.xor(bodyXor_encrypt, bodyXor_2);
            Console.WriteLine("加密结果异或右半部分:" + StringUtil.byteToHexString(keyXor));
            bodyXor_encrypt = null;
            bodyXor_2       = null;
            /**  开始进行加密[第二次]  **/
            byte[] keyXor_encrypt = DesEncryptUtil.desEncrypt(keyXor, keyBytes);
            Console.WriteLine("加密后:" + StringUtil.byteToHexString(keyXor_encrypt));
            keyXor = null;
            return(keyXor_encrypt);
        }