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