tools/hitag2crack/common/ht2crackutils.h

   1 #ifndef HT2CRACKUTILS_H
   2 #define HT2CRACKUTILS_H
   3
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <stdint.h>
   7 #include <unistd.h>
   8 #include <string.h>
   9 #ifndef __MINGW64__
  10 # include <sys/mman.h>
  11 #endif
  12 #include <sys/types.h>
  13 #include <sys/stat.h>
  14 #include <fcntl.h>
  15 #include <pthread.h>
  16
  17 #include "hitagcrypto.h"
  18
  19 #define HEX_PER_ROW 16
  20
  21 void writebuf(unsigned char *buf, uint64_t val, uint16_t len);
  22 void shexdump(unsigned char *data, int data_len);
  23 void printbin(unsigned char *c);
  24 void printbin2(uint64_t val, unsigned int size);
  25 void printstate(Hitag_State *hstate);
  26 unsigned char hex2bin(unsigned char c);
  27 int bitn(uint64_t x, int bit);
  28 int fnR(uint64_t x);
  29 void rollback(Hitag_State *hstate, unsigned int steps);
  30 int fa(unsigned int i);
  31 int fb(unsigned int i);
  32 int fc(unsigned int i);
  33 int fnf(uint64_t s);
  34 void buildlfsr(Hitag_State *hstate);
  35
  36 /*
  37  * Hitag Crypto support macros
  38  * These macros reverse the bit order in a byte, or *within* each byte of a
  39  * 16 , 32 or 64 bit unsigned integer. (Not across the whole 16 etc bits.)
  40  */
  41 #define rev8(X)   ((((X) >> 7) &1) + (((X) >> 5) &2) + (((X) >> 3) &4) \
  42                   + (((X) >> 1) &8) + (((X) << 1) &16) + (((X) << 3) &32) \
  43                   + (((X) << 5) &64) + (((X) << 7) &128) )
  44 #define rev16(X)  (rev8 (X) + (rev8 (X >> 8) << 8))
  45 #define rev32(X)  (rev16(X) + (rev16(X >> 16) << 16))
  46 #define rev64(X)  (rev32(X) + (rev32(X >> 32) << 32))
  47 unsigned long hexreversetoulong(char *hex);
  48 unsigned long long hexreversetoulonglong(char *hex);
  49
  50 #endif /* HT2CRACKUTILS_H */