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[proxmark3-svn] / 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))
58 prnt(" Mode: Personalization [Programmable]");
59 else
60 prnt(" Mode: Application [Locked]");
61
62 if (isset(fuses, FUSE_CODING1)) {
63 prnt(" Coding: RFU");
64 } else {
65 if( isset( fuses , FUSE_CODING0))
66 prnt(" Coding: ISO 14443-2 B/ISO 15693");
67 else
68 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))
76 prnt(" RA: Read access enabled");
77 else
78 prnt(" RA: Read access not enabled");
79 }
80
81 void getMemConfig(uint8_t mem_cfg, uint8_t chip_cfg, uint8_t *max_blk, uint8_t *app_areas, uint8_t *kb) {
82 // mem-bit 5, mem-bit 7, chip-bit 4: defines chip type
83 if(isset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
84 *kb = 2;
85 *app_areas = 2;
86 *max_blk = 31;
87 } else if(isset(chip_cfg, 0x10) && isset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
88 *kb = 16;
89 *app_areas = 2;
90 *max_blk = 255; //16kb
91 } else if(notset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
92 *kb = 16;
93 *app_areas = 16;
94 *max_blk = 255; //16kb
95 } else if(isset(chip_cfg, 0x10) && isset(mem_cfg, 0x80) && isset(mem_cfg, 0x20)) {
96 *kb = 32;
97 *app_areas = 3;
98 *max_blk = 255; //16kb
99 } else if(notset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && isset(mem_cfg, 0x20)) {
100 *kb = 32;
101 *app_areas = 17;
102 *max_blk = 255; //16kb
103 } else {
104 *kb = 32;
105 *app_areas = 2;
106 *max_blk = 255;
107 }
108 }
109
110 void mem_app_config(const picopass_hdr *hdr) {
111 uint8_t mem = hdr->conf.mem_config;
112 uint8_t chip = hdr->conf.chip_config;
113 uint8_t applimit = hdr->conf.app_limit;
114 if (applimit < 6) applimit = 26;
115 uint8_t kb = 2;
116 uint8_t app_areas = 2;
117 uint8_t max_blk = 31;
118 getMemConfig(mem, chip, &max_blk, &app_areas, &kb);
119 prnt(" Mem: %u KBits/%u App Areas (%u * 8 bytes) [%02X]", kb, app_areas, max_blk, mem);
120 prnt(" AA1: blocks 06-%02X", applimit);
121 prnt(" AA2: blocks %02X-%02X", applimit+1, max_blk);
122 }
123 void print_picopass_info(const picopass_hdr *hdr) {
124 fuse_config(hdr);
125 mem_app_config(hdr);
126 }
127 void printIclassDumpInfo(uint8_t* iclass_dump) {
128 print_picopass_info((picopass_hdr *) iclass_dump);
129 }
130
131 /*
132 void test() {
133 picopass_hdr hdr = {0x27,0xaf,0x48,0x01,0xf9,0xff,0x12,0xe0,0x12,0xff,0xff,0xff,0x7f,0x1f,0xff,0x3c};
134 prnt("Picopass configuration:");
135 print_picopass_info(&hdr);
136 }
137 int main(int argc, char *argv[]) {
138 test();
139 return 0;
140 }
141 */
142
143 #endif
144 //ON_DEVICE
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