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

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