| 1 | //----------------------------------------------------------------------------- |
| 2 | // This code is licensed to you under the terms of the GNU GPL, version 2 or, |
| 3 | // at your option, any later version. See the LICENSE.txt file for the text of |
| 4 | // the license. |
| 5 | //----------------------------------------------------------------------------- |
| 6 | // ISO14443 CRC calculation code. |
| 7 | //----------------------------------------------------------------------------- |
| 8 | |
| 9 | #ifndef __ISO14443CRC_H |
| 10 | #define __ISO14443CRC_H |
| 11 | |
| 12 | //----------------------------------------------------------------------------- |
| 13 | // Routines to compute the CRCs (two different flavours, just for confusion) |
| 14 | // required for ISO 14443, swiped directly from the spec. |
| 15 | //----------------------------------------------------------------------------- |
| 16 | #define CRC_14443_A 0x6363 /* ITU-V.41 */ |
| 17 | #define CRC_14443_B 0xFFFF /* ISO/IEC 13239 (formerly ISO/IEC 3309) */ |
| 18 | #define CRC_ICLASS 0xE012 /* ICLASS PRERFIX */ |
| 19 | |
| 20 | void ComputeCrc14443(int CrcType, |
| 21 | unsigned char *Data, int Length, |
| 22 | unsigned char *TransmitFirst, |
| 23 | unsigned char *TransmitSecond); |
| 24 | |
| 25 | #endif |