common/protocols.c

   1 #include <stdio.h>
   2 #include <strings.h>
   3 #include <string.h>
   4 #include <stdint.h>
   5 #include <stdarg.h>
   6 #include "protocols.h"
   7 #ifndef ON_DEVICE
   8 #include "ui.h"
   9 #define prnt PrintAndLog
  10 #endif
  11
  12
  13
  14 typedef struct {
  15         uint8_t app_limit;
  16         uint8_t otp[2];
  17         uint8_t block_writelock;
  18         uint8_t chip_config;
  19         uint8_t mem_config;
  20         uint8_t eas;
  21         uint8_t fuses;
  22 }picopass_conf_block;
  23
  24
  25 typedef struct {
  26         uint8_t csn[8];
  27         picopass_conf_block conf;
  28         uint8_t epurse[8];
  29         uint8_t key_d[8];
  30         uint8_t key_c[8];
  31         uint8_t app_issuer_area[8];
  32
  33 }picopass_hdr;
  34
  35
  36 //#define prnt printf
  37 /*void prnt(char *fmt,...)
  38 {
  39         va_list argptr;
  40         va_start(argptr, fmt);
  41         vprintf(fmt, argptr);
  42         printf("          "); // cleaning prompt
  43         va_end(argptr);
  44         printf("\n");
  45 }
  46 */
  47 uint8_t isset(uint8_t val, uint8_t mask)
  48 {
  49         return (val & mask);
  50 }
  51
  52 uint8_t notset(uint8_t val, uint8_t mask){
  53         return !(val & mask);
  54 }
  55
  56 void fuse_config(const picopass_hdr *hdr)
  57 {
  58         uint8_t fuses = hdr->conf.fuses;
  59
  60         if (isset(fuses,FUSE_FPERS))prnt("      Mode: Personalization [Programmable]");
  61         else prnt("     Mode: Application [Locked]");
  62
  63         if (isset(fuses, FUSE_CODING1))
  64                 prnt("  Coding: RFU");
  65         else
  66         {
  67                 if( isset( fuses , FUSE_CODING0)) prnt("        Coding: ISO 14443-2 B/ISO 15693");
  68                 else prnt("     Coding: ISO 14443B only");
  69         }
  70         if( isset (fuses,FUSE_CRYPT1 | FUSE_CRYPT0 )) prnt("    Crypt: Secured page, keys not locked");
  71         if( isset (fuses,FUSE_CRYPT1) && notset( fuses, FUSE_CRYPT0 )) prnt("   Crypt: Secured page, keys not locked");
  72         if( notset (fuses,FUSE_CRYPT1) && isset( fuses, FUSE_CRYPT0 )) prnt("   Crypt: Non secured page");
  73         if( notset (fuses,FUSE_CRYPT1) && notset( fuses, FUSE_CRYPT0 )) prnt("  Crypt: No auth possible. Read only if RA is enabled");
  74
  75         if( isset( fuses, FUSE_RA)) prnt("      RA: Read access enabled");
  76         else prnt("     RA: Read access not enabled");
  77 }
  78 void mem_config(const picopass_hdr *hdr)
  79 {
  80         uint8_t mem = hdr->conf.mem_config;
  81         if( isset (mem, 0x80)) prnt("   Mem: 16KBits (255 * 8 bytes)");
  82         else prnt("     Mem: 2 KBits ( 32 * 8 bytes)");
  83
  84 }
  85 void applimit_config(const picopass_hdr *hdr)
  86 {
  87         uint8_t applimit = hdr->conf.app_limit;
  88         prnt("  AA1: blocks 6-%d", applimit);
  89         prnt("  AA2: blocks %d-", (applimit+1));
  90 }
  91 void print_picopass_info(const picopass_hdr *hdr)
  92 {
  93         fuse_config(hdr);
  94         mem_config(hdr);
  95         applimit_config(hdr);
  96 }
  97 void printIclassDumpInfo(uint8_t* iclass_dump)
  98 {
  99 //      picopass_hdr hdr;
 100 //      memcpy(&hdr, iclass_dump, sizeof(picopass_hdr));
 101         print_picopass_info((picopass_hdr *) iclass_dump);
 102 }
 103
 104 /*
 105 void test()
 106 {
 107         picopass_hdr hdr = {0x27,0xaf,0x48,0x01,0xf9,0xff,0x12,0xe0,0x12,0xff,0xff,0xff,0x7f,0x1f,0xff,0x3c};
 108         prnt("Picopass configuration:");
 109         print_picopass_info(&hdr);
 110 }
 111 int main(int argc, char *argv[])
 112 {
 113         test();
 114         return 0;
 115 }
 116 */