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:
  10                         return T55x7_BITRATE_RF_128;
  11                 case 100:
  12                         return T55x7_BITRATE_RF_100;
  13                 case 64:
  14                         return T55x7_BITRATE_RF_64;
  15                 case 50:
  16                         return T55x7_BITRATE_RF_50;
  17                 case 40:
  18                         return T55x7_BITRATE_RF_40;
  19                 case 32:
  20                         return T55x7_BITRATE_RF_32;
  21                 case 16:
  22                         return T55x7_BITRATE_RF_16;
  23                 case 8:
  24                         return T55x7_BITRATE_RF_8;
  25                 default:
  26                         return 0;
  27         }
  28 }
  29
  30 #ifndef ON_DEVICE
  31 #include "ui.h"
  32 #define prnt PrintAndLog
  33
  34 // iclass / picopass chip config structures and shared routines
  35 typedef struct {
  36         uint8_t app_limit;      //[8]
  37         uint8_t otp[2];         //[9-10]
  38         uint8_t block_writelock;//[11]
  39         uint8_t chip_config;    //[12]
  40         uint8_t mem_config;     //[13]
  41         uint8_t eas;            //[14]
  42         uint8_t fuses;          //[15]
  43 } picopass_conf_block;
  44
  45 typedef struct {
  46         uint8_t csn[8];
  47         picopass_conf_block conf;
  48         uint8_t epurse[8];
  49         uint8_t key_d[8];
  50         uint8_t key_c[8];
  51         uint8_t app_issuer_area[8];
  52 } picopass_hdr;
  53
  54 uint8_t isset(uint8_t val, uint8_t mask) {
  55         return (val & mask);
  56 }
  57
  58 uint8_t notset(uint8_t val, uint8_t mask) {
  59         return !(val & mask);
  60 }
  61
  62 void fuse_config(const picopass_hdr *hdr) {
  63         uint8_t fuses = hdr->conf.fuses;
  64
  65         if (isset(fuses,FUSE_FPERS))prnt("      Mode: Personalization [Programmable]");
  66         else prnt("     Mode: Application [Locked]");
  67
  68         if (isset(fuses, FUSE_CODING1))
  69                 prnt("  Coding: RFU");
  70         else
  71         {
  72                 if( isset( fuses , FUSE_CODING0)) prnt("        Coding: ISO 14443-2 B/ISO 15693");
  73                 else prnt("     Coding: ISO 14443B only");
  74         }
  75         if( isset (fuses,FUSE_CRYPT1 | FUSE_CRYPT0 )) prnt("    Crypt: Secured page, keys not locked");
  76         if( isset (fuses,FUSE_CRYPT1) && notset( fuses, FUSE_CRYPT0 )) prnt("   Crypt: Secured page, keys not locked");
  77         if( notset (fuses,FUSE_CRYPT1) && isset( fuses, FUSE_CRYPT0 )) prnt("   Crypt: Non secured page");
  78         if( notset (fuses,FUSE_CRYPT1) && notset( fuses, FUSE_CRYPT0 )) prnt("  Crypt: No auth possible. Read only if RA is enabled");
  79
  80         if( isset( fuses, FUSE_RA)) prnt("      RA: Read access enabled");
  81         else prnt("     RA: Read access not enabled");
  82 }
  83
  84 void getMemConfig(uint8_t mem_cfg, uint8_t chip_cfg, uint8_t *max_blk, uint8_t *app_areas, uint8_t *kb) {
  85         // mem-bit 5, mem-bit 7, chip-bit 4: defines chip type
  86         if(isset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
  87                 *kb = 2;
  88                 *app_areas = 2;
  89                 *max_blk = 31;
  90         } else if(isset(chip_cfg, 0x10) && isset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
  91                 *kb = 16;
  92                 *app_areas = 2;
  93                 *max_blk = 255; //16kb
  94         } else if(notset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
  95                 *kb = 16;
  96                 *app_areas = 16;
  97                 *max_blk = 255; //16kb
  98         } else if(isset(chip_cfg, 0x10) && isset(mem_cfg, 0x80) && isset(mem_cfg, 0x20)) {
  99                 *kb = 32;
 100                 *app_areas = 3;
 101                 *max_blk = 255; //16kb
 102         } else if(notset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && isset(mem_cfg, 0x20)) {
 103                 *kb = 32;
 104                 *app_areas = 17;
 105                 *max_blk = 255; //16kb
 106         } else {
 107                 *kb = 32;
 108                 *app_areas = 2;
 109                 *max_blk = 255;
 110         }
 111 }
 112
 113 void mem_app_config(const picopass_hdr *hdr) {
 114         uint8_t mem = hdr->conf.mem_config;
 115         uint8_t chip = hdr->conf.chip_config;
 116         uint8_t applimit = hdr->conf.app_limit;
 117         if (applimit < 6) applimit = 26;
 118         uint8_t kb = 2;
 119         uint8_t app_areas = 2;
 120         uint8_t max_blk = 31;
 121         getMemConfig(mem, chip, &max_blk, &app_areas, &kb);
 122         prnt("  Mem: %u KBits/%u App Areas (%u * 8 bytes) [%02X]", kb, app_areas, max_blk, mem);
 123         prnt("  AA1: blocks 06-%02X", applimit);
 124         prnt("  AA2: blocks %02X-%02X", applimit+1, max_blk);
 125 }
 126 void print_picopass_info(const picopass_hdr *hdr) {
 127         fuse_config(hdr);
 128         mem_app_config(hdr);
 129 }
 130 void printIclassDumpInfo(uint8_t* iclass_dump) {
 131         print_picopass_info((picopass_hdr *) iclass_dump);
 132 }
 133
 134 /*
 135 void test() {
 136         picopass_hdr hdr = {0x27,0xaf,0x48,0x01,0xf9,0xff,0x12,0xe0,0x12,0xff,0xff,0xff,0x7f,0x1f,0xff,0x3c};
 137         prnt("Picopass configuration:");
 138         print_picopass_info(&hdr);
 139 }
 140 int main(int argc, char *argv[]) {
 141         test();
 142         return 0;
 143 }
 144 */
 145
 146 #endif
 147 //ON_DEVICE