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optimization UDOL creation. does not affect on functionality.
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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 #include "common.h"
12
13 //-----------------------------------------------------------------------------
14 // Routines to compute the CRCs (two different flavours, just for confusion)
15 // required for ISO 14443, swiped directly from the spec.
16 //-----------------------------------------------------------------------------
17 #define CRC_14443_A 0x6363 /* ITU-V.41 */
18 #define CRC_14443_B 0xFFFF /* ISO/IEC 13239 (formerly ISO/IEC 3309) */
19 #define CRC_ICLASS 0xE012 /* ICLASS PRERFIX */
20
21 void ComputeCrc14443(int CrcType,
22 const unsigned char *Data, int Length,
23 unsigned char *TransmitFirst,
24 unsigned char *TransmitSecond);
25 int CheckCrc14443(int CrcType, const unsigned char *Data, int Length);
26
27 #endif
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