Exemplo n.º 1
0
        static void ReadBlock(Crypto1 crapto1, byte b)
        {
            abtRead[1] = b;
            Iso14443aCrcAppend(abtRead, 2);
            var enAbtRead       = abtRead.ToArray();
            var enAbtReadParity = new byte[4];

            crapto1.Encrypt(enAbtRead, enAbtReadParity, 0, 4);
            device.InitiatorTransceiveBits(enAbtRead, 32, enAbtReadParity, abtRx, MAX_FRAME_LEN, null);
            var block = new byte[18]; // 16byte data + 2byte crc

            for (int i = 0; i < 18; i++)
            {
                block[i] = (byte)(abtRx[i] ^ crapto1.Crypto1Byte());
            }
            Write("      Block{0,2}: ", b);
            PrintHex(block, 16);
        }
Exemplo n.º 2
0
        public byte[] ReadBlock(byte b)
        {
            if (b / 4 != _sector || Crypto1 == null)
            {
                throw new Exception("Not auth");
            }
            var read = new byte[4] {
                0x30, b, 0, 0
            };

            Iso14443aCrcAppend(read, 2);
            var readParity = new byte[4];

            Crypto1.Encrypt(read, readParity, 0, 4);
            Device.InitiatorTransceiveBits(read, 32, readParity, rxBuffer, MAX_FRAME_LEN, null);
            for (int i = 0; i < 18; i++) // 16byte data + 2byte crc
            {
                rxBuffer[i] ^= Crypto1.Crypto1Byte();
            }
            return(rxBuffer.Take(16).ToArray());
        }