tools/hitag2crack/crack3/ht2crack3test.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 #include "hitagcrypto.h"
   6 #include "ht2crackutils.h"
   7
   8 int main(int argc, char *argv[]) {
   9     Hitag_State hstate;
  10     FILE *fp;
  11     char *line = NULL;
  12     size_t linelen = 0;
  13     long len = 0;
  14     char *nr = NULL;
  15     char *ar = NULL;
  16     uint32_t arval;
  17     uint32_t ks;
  18     char *key;
  19     char *uid;
  20
  21     if (argc < 4) {
  22         printf("%s nRaRfile KEY UID\n", argv[0]);
  23         exit(1);
  24     }
  25
  26     fp = fopen(argv[1], "r");
  27     if (!fp) {
  28         printf("cannot open file\n");
  29         exit(1);
  30     }
  31
  32     if (!strncmp(argv[2], "0x", 2)) {
  33         key = argv[2] + 2;
  34     } else {
  35         key = argv[2];
  36     }
  37
  38     if (!strncmp(argv[3], "0x", 2)) {
  39         uid = argv[3] + 2;
  40     } else {
  41         uid = argv[3];
  42     }
  43
  44     while ((len = getline(&line, &linelen, fp)) > 0) {
  45         if (len > 16) {
  46             ar = strchr(line, ' ');
  47             *ar = 0x00;
  48             ar++;
  49             ar[strlen(ar) - 1] = 0x00;
  50             if (!strncmp(line, "0x", 2)) {
  51                 nr = line + 2;
  52             } else {
  53                 nr = line;
  54             }
  55             hitag2_init(&hstate, rev64(hexreversetoulonglong(key)), rev32(hexreversetoulong(uid)), rev32(hexreversetoulong(nr)));
  56
  57             arval = strtol(ar, NULL, 16);
  58             ks = hitag2_nstep(&hstate, 32);
  59
  60
  61             if ((arval ^ ks) != 0xffffffff) {
  62                 printf("FAIL! nR = %s, aR = %s\n", line, ar);
  63             } else {
  64                 printf("SUCCESS! nR = %s, aR = %s\n", line, ar);
  65             }
  66         }
  67     }
  68
  69     fclose(fp);
  70
  71     return 0;
  72 }
  73