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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 #ifndef ON_DEVICE
7 #include "ui.h"
8 #define prnt PrintAndLog
9 #endif
10
11
12
13 typedef struct {
14 uint8_t app_limit; //[8]
15 uint8_t otp[2]; //[9-10]
16 uint8_t block_writelock;//[11]
17 uint8_t chip_config; //[12]
18 uint8_t mem_config; //[13]
19 uint8_t eas; //[14]
20 uint8_t fuses; //[15]
21 }picopass_conf_block;
22
23
24 typedef struct {
25 uint8_t csn[8];
26 picopass_conf_block conf;
27 uint8_t epurse[8];
28 uint8_t key_d[8];
29 uint8_t key_c[8];
30 uint8_t app_issuer_area[8];
31
32 }picopass_hdr;
33
34
35 //#define prnt printf
36 /*void prnt(char *fmt,...)
37 {
38 va_list argptr;
39 va_start(argptr, fmt);
40 vprintf(fmt, argptr);
41 printf(" "); // cleaning prompt
42 va_end(argptr);
43 printf("\n");
44 }
45 */
46 uint8_t isset(uint8_t val, uint8_t mask)
47 {
48 return (val & mask);
49 }
50
51 uint8_t notset(uint8_t val, uint8_t mask){
52 return !(val & mask);
53 }
54
55 void fuse_config(const picopass_hdr *hdr)
56 {
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 *books, 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 books = 1;
83 max_blk = 31;
84 } else if(isset(chip_cfg, 0x10) && isset(mem_cfg, 0x80) && notset(mem_cfg, 0x20)) {
85 kb = 16;
86 books = 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 books = 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 books = 2;
95 max_blk = 255; //16kb
96 } else if(notset(chip_cfg, 0x10) && notset(mem_cfg, 0x80) && isset(mem_cfg, 0x20)) {
97 kb = 32;
98 books = 16;
99 max_blk = 255; //16kb
100 } else {
101 kb = 32;
102 max_blk = 255;
103 }
104 }
105
106 void mem_app_config(const picopass_hdr *hdr)
107 {
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 books = 1;
114 uint8_t max_blk = 31;
115 getMemConfig(mem, chip, &max_blk, &books, &kb);
116 prnt(" Mem: %u KBits/%u Books (%u * 8 bytes) [%02X]", kb, books, 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 {
122 fuse_config(hdr);
123 mem_app_config(hdr);
124 }
125 void printIclassDumpInfo(uint8_t* iclass_dump)
126 {
127 // picopass_hdr hdr;
128 // memcpy(&hdr, iclass_dump, sizeof(picopass_hdr));
129 print_picopass_info((picopass_hdr *) iclass_dump);
130 }
131
132 /*
133 void test()
134 {
135 picopass_hdr hdr = {0x27,0xaf,0x48,0x01,0xf9,0xff,0x12,0xe0,0x12,0xff,0xff,0xff,0x7f,0x1f,0xff,0x3c};
136 prnt("Picopass configuration:");
137 print_picopass_info(&hdr);
138 }
139 int main(int argc, char *argv[])
140 {
141 test();
142 return 0;
143 }
144 */
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