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[proxmark3-svn] / 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
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