git.zerfleddert.de Git - proxmark3-svn/blob - common/protocols.c

   1 #include <string.h>
   2 #include <stdint.h>
   3 #include <stdarg.h>
   4 #include "protocols.h"
   5
   6 // ATA55xx shared presets & routines
   7 uint32_t GetT55xxClockBit(uint32_t clock) {
   8         switch (clock) {
   9                 case 128: return T55x7_BITRATE_RF_128;
  10                 case 100: return T55x7_BITRATE_RF_100;
  11                 case  64: return T55x7_BITRATE_RF_64;
  12                 case  50: return T55x7_BITRATE_RF_50;
  13                 case  40: return T55x7_BITRATE_RF_40;
  14                 case  32: return T55x7_BITRATE_RF_32;
  15                 case  16: return T55x7_BITRATE_RF_16;
  16                 case   8: return T55x7_BITRATE_RF_8;
  17                 default : return 0;
  18         }
  19 }
  20
  21 #ifndef ON_DEVICE
  22 #include "ui.h"
  23 #define prnt PrintAndLog
  24
  25 // iclass / picopass chip config structures and shared routines
  26 typedef struct {
  27         uint8_t app_limit;      //[8]
  28         uint8_t otp[2];         //[9-10]
  29         uint8_t block_writelock;//[11]
  30         uint8_t chip_config;    //[12]
  31         uint8_t mem_config;     //[13]
  32         uint8_t eas;            //[14]
  33         uint8_t fuses;          //[15]
  34 } picopass_conf_block;
  35
  36
  37 typedef struct {
  38         uint8_t csn[8];
  39         picopass_conf_block conf;
  40         uint8_t epurse[8];
  41         uint8_t key_d[8];
  42         uint8_t key_c[8];
  43         uint8_t app_issuer_area[8];
  44 } picopass_hdr;
  45
  46 uint8_t isset(uint8_t val, uint8_t mask) {
  47         return (val & mask);
  48 }
  49
  50 uint8_t notset(uint8_t val, uint8_t mask){
  51         return !(val & mask);
  52 }
  53
  54 void fuse_config(const picopass_hdr *hdr) {
  55         uint8_t fuses = hdr->conf.fuses;
  56
  57         if (isset(fuses,FUSE_FPERS))prnt("      Mode: Personalization [Programmable]");
  58         else prnt("     Mode: Application [Locked]");
  59
  60         if (isset(fuses, FUSE_CODING1))
  61                 prnt("  Coding: RFU");
  62         else
  63         {
  64                 if( isset( fuses , FUSE_CODING0)) prnt("        Coding: ISO 14443-2 B/ISO 15693");
  65                 else prnt("     Coding: ISO 14443B only");
  66         }
  67         if( isset (fuses,FUSE_CRYPT1 | FUSE_CRYPT0 )) prnt("    Crypt: Secured page, keys not locked");
  68         if( isset (fuses,FUSE_CRYPT1) && notset( fuses, FUSE_CRYPT0 )) prnt("   Crypt: Secured page, keys not locked");
  69         if( notset (fuses,FUSE_CRYPT1) && isset( fuses, FUSE_CRYPT0 )) prnt("   Crypt: Non secured page");
  70         if( notset (fuses,FUSE_CRYPT1) && notset( fuses, FUSE_CRYPT0 )) prnt("  Crypt: No auth possible. Read only if RA is enabled");
  71
  72         if( isset( fuses, FUSE_RA)) prnt("      RA: Read access enabled");
  73         else prnt("     RA: Read access not enabled");
  74 }
  75
  76 void getMemConfig(uint8_t mem_cfg, uint8_t chip_cfg, uint8_t *max_blk, uint8_t *app_areas, uint8_t *kb) {
  77         // mem-bit 5, mem-bit 7, chip-bit 4: defines chip type
  78         if(isset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
  79                 *kb = 2;
  80                 *app_areas = 2;
  81                 *max_blk = 31;
  82         } else if(isset(chip_cfg, 0x10) && isset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
  83                 *kb = 16;
  84                 *app_areas = 2;
  85                 *max_blk = 255; //16kb
  86         } else if(notset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
  87                 *kb = 16;
  88                 *app_areas = 16;
  89                 *max_blk = 255; //16kb
  90         } else if(isset(chip_cfg, 0x10) && isset(mem_cfg, 0x80) && isset(mem_cfg, 0x20)) {
  91                 *kb = 32;
  92                 *app_areas = 3;
  93                 *max_blk = 255; //16kb
  94         } else if(notset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && isset(mem_cfg, 0x20)) {
  95                 *kb = 32;
  96                 *app_areas = 17;
  97                 *max_blk = 255; //16kb
  98         } else {
  99                 *kb = 32;
 100                 *app_areas = 2;
 101                 *max_blk = 255;
 102         }
 103 }
 104
 105 void mem_app_config(const picopass_hdr *hdr) {
 106         uint8_t mem = hdr->conf.mem_config;
 107         uint8_t chip = hdr->conf.chip_config;
 108         uint8_t applimit = hdr->conf.app_limit;
 109         if (applimit < 6) applimit = 26;
 110         uint8_t kb = 2;
 111         uint8_t app_areas = 2;
 112         uint8_t max_blk = 31;
 113         getMemConfig(mem, chip, &max_blk, &app_areas, &kb);
 114         prnt("  Mem: %u KBits/%u App Areas (%u * 8 bytes) [%02X]", kb, app_areas, max_blk, mem);
 115         prnt("  AA1: blocks 06-%02X", applimit);
 116         prnt("  AA2: blocks %02X-%02X", applimit+1, max_blk);
 117 }
 118 void print_picopass_info(const picopass_hdr *hdr) {
 119         fuse_config(hdr);
 120         mem_app_config(hdr);
 121 }
 122 void printIclassDumpInfo(uint8_t* iclass_dump) {
 123         print_picopass_info((picopass_hdr *) iclass_dump);
 124 }
 125
 126 /*
 127 void test() {
 128         picopass_hdr hdr = {0x27,0xaf,0x48,0x01,0xf9,0xff,0x12,0xe0,0x12,0xff,0xff,0xff,0x7f,0x1f,0xff,0x3c};
 129         prnt("Picopass configuration:");
 130         print_picopass_info(&hdr);
 131 }
 132 int main(int argc, char *argv[]) {
 133         test();
 134         return 0;
 135 }
 136 */
 137
 138 #endif
 139 //ON_DEVICE