]>
Commit | Line | Data |
---|---|---|
20f9a2a1 | 1 | //-----------------------------------------------------------------------------\r |
b62a5a84 | 2 | // Merlok, May 2011, 2012\r |
8f51ddb0 | 3 | // Many authors, whom made it possible\r |
20f9a2a1 M |
4 | //\r |
5 | // This code is licensed to you under the terms of the GNU GPL, version 2 or,\r | |
6 | // at your option, any later version. See the LICENSE.txt file for the text of\r | |
7 | // the license.\r | |
8 | //-----------------------------------------------------------------------------\r | |
8f51ddb0 | 9 | // Work with mifare cards.\r |
20f9a2a1 M |
10 | //-----------------------------------------------------------------------------\r |
11 | \r | |
12 | #include "proxmark3.h"\r | |
13 | #include "apps.h"\r | |
14 | #include "util.h"\r | |
15 | #include "string.h"\r | |
16 | \r | |
17 | #include "iso14443crc.h"\r | |
18 | #include "iso14443a.h"\r | |
19 | #include "crapto1.h"\r | |
20 | #include "mifareutil.h"\r | |
8258f409 | 21 | #include "des.h"\r |
20f9a2a1 | 22 | \r |
f397b5cc M |
23 | int MF_DBGLEVEL = MF_DBG_ALL;\r |
24 | \r | |
8f51ddb0 M |
25 | // crypto1 helpers\r |
26 | void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r | |
27 | uint8_t bt = 0;\r | |
28 | int i;\r | |
29 | \r | |
30 | if (len != 1) {\r | |
31 | for (i = 0; i < len; i++)\r | |
32 | data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r | |
33 | } else {\r | |
34 | bt = 0;\r | |
35 | for (i = 0; i < 4; i++)\r | |
36 | bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], i)) << i;\r | |
37 | \r | |
38 | data[0] = bt;\r | |
39 | }\r | |
40 | return;\r | |
41 | }\r | |
42 | \r | |
6a1f2d82 | 43 | void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, uint8_t *par) {\r |
8f51ddb0 M |
44 | uint8_t bt = 0;\r |
45 | int i;\r | |
6a1f2d82 | 46 | par[0] = 0;\r |
3fe4ff4f | 47 | \r |
8f51ddb0 M |
48 | for (i = 0; i < len; i++) {\r |
49 | bt = data[i];\r | |
50 | data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r | |
3fe4ff4f | 51 | if((i&0x0007) == 0) \r |
52 | par[i>>3] = 0;\r | |
6a1f2d82 | 53 | par[i>>3] |= (((filter(pcs->odd) ^ oddparity(bt)) & 0x01)<<(7-(i&0x0007)));\r |
8f51ddb0 M |
54 | } \r |
55 | return;\r | |
56 | }\r | |
57 | \r | |
58 | uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {\r | |
59 | uint8_t bt = 0;\r | |
60 | int i;\r | |
61 | \r | |
62 | for (i = 0; i < 4; i++)\r | |
63 | bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, i)) << i;\r | |
64 | \r | |
65 | return bt;\r | |
20f9a2a1 M |
66 | }\r |
67 | \r | |
8f51ddb0 | 68 | // send commands\r |
6a1f2d82 | 69 | int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)\r |
f89c7050 | 70 | {\r |
f168b263 | 71 | return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, answer_parity, timing);\r |
72 | }\r | |
73 | \r | |
74 | int mifare_sendcmd_short_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)\r | |
75 | {\r | |
76 | uint8_t dcmd[8];\r | |
77 | dcmd[0] = cmd;\r | |
78 | dcmd[1] = data[0];\r | |
79 | dcmd[2] = data[1];\r | |
80 | dcmd[3] = data[2];\r | |
81 | dcmd[4] = data[3];\r | |
82 | dcmd[5] = data[4];\r | |
83 | AppendCrc14443a(dcmd, 6);\r | |
84 | ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r | |
85 | int len = ReaderReceive(answer, answer_parity);\r | |
86 | if(!len) {\r | |
87 | if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");\r | |
88 | return 2;\r | |
a631936e | 89 | }\r |
90 | return len;\r | |
91 | }\r | |
92 | \r | |
93 | int mifare_sendcmd_short_mfucauth(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t *data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing)\r | |
94 | {\r | |
95 | uint8_t dcmd[19];\r | |
96 | int len; \r | |
97 | dcmd[0] = cmd;\r | |
98 | memcpy(dcmd+1,data,16);\r | |
99 | AppendCrc14443a(dcmd, 17);\r | |
100 | \r | |
101 | ReaderTransmit(dcmd, sizeof(dcmd), timing);\r | |
102 | len = ReaderReceive(answer, answer_parity);\r | |
103 | if(!len) {\r | |
104 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed. Card timeout.");\r | |
105 | len = ReaderReceive(answer,answer_parity);\r | |
106 | }\r | |
107 | if(len==1) {\r | |
108 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("NAK - Authentication failed.");\r | |
109 | return 1;\r | |
f168b263 | 110 | }\r |
111 | return len;\r | |
112 | }\r | |
113 | \r | |
8258f409 | 114 | int mifare_sendcmd_short_mfuev1auth(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t *data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing)\r |
115 | {\r | |
116 | uint8_t dcmd[7];\r | |
117 | int len; \r | |
118 | dcmd[0] = cmd;\r | |
119 | memcpy(dcmd+1,data,4);\r | |
120 | AppendCrc14443a(dcmd, 5);\r | |
121 | \r | |
122 | ReaderTransmit(dcmd, sizeof(dcmd), timing);\r | |
123 | len = ReaderReceive(answer, answer_parity);\r | |
124 | if(!len) {\r | |
125 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed. Card timeout.");\r | |
126 | len = ReaderReceive(answer,answer_parity);\r | |
127 | }\r | |
128 | if(len==1) {\r | |
129 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("NAK - Authentication failed.");\r | |
130 | return 1;\r | |
131 | }\r | |
132 | return len;\r | |
133 | }\r | |
134 | \r | |
f168b263 | 135 | int mifare_sendcmd_shortex(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing)\r |
136 | {\r | |
137 | uint8_t dcmd[4], ecmd[4];\r | |
6a1f2d82 | 138 | uint16_t pos, res;\r |
139 | uint8_t par[1]; // 1 Byte parity is enough here\r | |
20f9a2a1 M |
140 | dcmd[0] = cmd;\r |
141 | dcmd[1] = data;\r | |
142 | AppendCrc14443a(dcmd, 2);\r | |
143 | \r | |
144 | memcpy(ecmd, dcmd, sizeof(dcmd));\r | |
145 | \r | |
146 | if (crypted) {\r | |
6a1f2d82 | 147 | par[0] = 0;\r |
20f9a2a1 M |
148 | for (pos = 0; pos < 4; pos++)\r |
149 | {\r | |
150 | ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r | |
6a1f2d82 | 151 | par[0] |= (((filter(pcs->odd) ^ oddparity(dcmd[pos])) & 0x01) << (7-pos));\r |
20f9a2a1 M |
152 | } \r |
153 | \r | |
9492e0b0 | 154 | ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r |
20f9a2a1 M |
155 | \r |
156 | } else {\r | |
9492e0b0 | 157 | ReaderTransmit(dcmd, sizeof(dcmd), timing);\r |
20f9a2a1 M |
158 | }\r |
159 | \r | |
6a1f2d82 | 160 | int len = ReaderReceive(answer, par);\r |
161 | \r | |
162 | if (answer_parity) *answer_parity = par[0];\r | |
f89c7050 | 163 | \r |
4abe4f58 | 164 | if (crypted == CRYPT_ALL) {\r |
20f9a2a1 M |
165 | if (len == 1) {\r |
166 | res = 0;\r | |
167 | for (pos = 0; pos < 4; pos++)\r | |
168 | res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], pos)) << pos;\r | |
169 | \r | |
170 | answer[0] = res;\r | |
171 | \r | |
172 | } else {\r | |
173 | for (pos = 0; pos < len; pos++)\r | |
174 | {\r | |
175 | answer[pos] = crypto1_byte(pcs, 0x00, 0) ^ answer[pos];\r | |
176 | }\r | |
177 | }\r | |
178 | }\r | |
179 | \r | |
180 | return len;\r | |
181 | }\r | |
182 | \r | |
787b5bd8 | 183 | // mifare classic commands\r |
6a1f2d82 | 184 | int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) \r |
f89c7050 | 185 | {\r |
9492e0b0 | 186 | return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);\r |
f89c7050 M |
187 | }\r |
188 | \r | |
6a1f2d82 | 189 | int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested, uint32_t *ntptr, uint32_t *timing) \r |
20f9a2a1 M |
190 | {\r |
191 | // variables\r | |
4abe4f58 | 192 | int len; \r |
20f9a2a1 M |
193 | uint32_t pos;\r |
194 | uint8_t tmp4[4];\r | |
3fe4ff4f | 195 | uint8_t par[1] = {0x00};\r |
6a1f2d82 | 196 | byte_t nr[4];\r |
20f9a2a1 M |
197 | uint32_t nt, ntpp; // Supplied tag nonce\r |
198 | \r | |
199 | uint8_t mf_nr_ar[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };\r | |
f71f4deb | 200 | uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r |
201 | uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r | |
6a1f2d82 | 202 | \r |
4abe4f58 | 203 | // Transmit MIFARE_CLASSIC_AUTH\r |
6a1f2d82 | 204 | len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer, receivedAnswerPar, timing);\r |
205 | if (MF_DBGLEVEL >= 4) Dbprintf("rand tag nonce len: %x", len); \r | |
4abe4f58 | 206 | if (len != 4) return 1;\r |
20f9a2a1 | 207 | \r |
6a1f2d82 | 208 | // "random" reader nonce:\r |
209 | nr[0] = 0x55;\r | |
210 | nr[1] = 0x41;\r | |
211 | nr[2] = 0x49;\r | |
212 | nr[3] = 0x92; \r | |
20f9a2a1 M |
213 | \r |
214 | // Save the tag nonce (nt)\r | |
215 | nt = bytes_to_num(receivedAnswer, 4);\r | |
20f9a2a1 M |
216 | \r |
217 | // ----------------------------- crypto1 create\r | |
4abe4f58 M |
218 | if (isNested)\r |
219 | crypto1_destroy(pcs);\r | |
220 | \r | |
221 | // Init cipher with key\r | |
20f9a2a1 M |
222 | crypto1_create(pcs, ui64Key);\r |
223 | \r | |
4abe4f58 M |
224 | if (isNested == AUTH_NESTED) {\r |
225 | // decrypt nt with help of new key \r | |
226 | nt = crypto1_word(pcs, nt ^ uid, 1) ^ nt;\r | |
227 | } else {\r | |
228 | // Load (plain) uid^nt into the cipher\r | |
229 | crypto1_word(pcs, nt ^ uid, 0);\r | |
230 | }\r | |
231 | \r | |
232 | // some statistic\r | |
f397b5cc | 233 | if (!ntptr && (MF_DBGLEVEL >= 3))\r |
f89c7050 M |
234 | Dbprintf("auth uid: %08x nt: %08x", uid, nt); \r |
235 | \r | |
236 | // save Nt\r | |
237 | if (ntptr)\r | |
238 | *ntptr = nt;\r | |
20f9a2a1 | 239 | \r |
4abe4f58 | 240 | // Generate (encrypted) nr+parity by loading it into the cipher (Nr)\r |
6a1f2d82 | 241 | par[0] = 0;\r |
4abe4f58 M |
242 | for (pos = 0; pos < 4; pos++)\r |
243 | {\r | |
6a1f2d82 | 244 | mf_nr_ar[pos] = crypto1_byte(pcs, nr[pos], 0) ^ nr[pos];\r |
245 | par[0] |= (((filter(pcs->odd) ^ oddparity(nr[pos])) & 0x01) << (7-pos));\r | |
4abe4f58 | 246 | } \r |
20f9a2a1 | 247 | \r |
4abe4f58 M |
248 | // Skip 32 bits in pseudo random generator\r |
249 | nt = prng_successor(nt,32);\r | |
20f9a2a1 M |
250 | \r |
251 | // ar+parity\r | |
4abe4f58 M |
252 | for (pos = 4; pos < 8; pos++)\r |
253 | {\r | |
20f9a2a1 | 254 | nt = prng_successor(nt,8);\r |
4abe4f58 | 255 | mf_nr_ar[pos] = crypto1_byte(pcs,0x00,0) ^ (nt & 0xff);\r |
6a1f2d82 | 256 | par[0] |= (((filter(pcs->odd) ^ oddparity(nt & 0xff)) & 0x01) << (7-pos));\r |
4abe4f58 | 257 | } \r |
20f9a2a1 | 258 | \r |
4abe4f58 | 259 | // Transmit reader nonce and reader answer\r |
9492e0b0 | 260 | ReaderTransmitPar(mf_nr_ar, sizeof(mf_nr_ar), par, NULL);\r |
20f9a2a1 | 261 | \r |
6a1f2d82 | 262 | // Receive 4 byte tag answer\r |
263 | len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r | |
4abe4f58 M |
264 | if (!len)\r |
265 | {\r | |
f397b5cc | 266 | if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");\r |
20f9a2a1 | 267 | return 2;\r |
4abe4f58 | 268 | }\r |
20f9a2a1 | 269 | \r |
4abe4f58 | 270 | memcpy(tmp4, receivedAnswer, 4);\r |
20f9a2a1 M |
271 | ntpp = prng_successor(nt, 32) ^ crypto1_word(pcs, 0,0);\r |
272 | \r | |
273 | if (ntpp != bytes_to_num(tmp4, 4)) {\r | |
f397b5cc | 274 | if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Error card response.");\r |
20f9a2a1 M |
275 | return 3;\r |
276 | }\r | |
277 | \r | |
278 | return 0;\r | |
279 | }\r | |
280 | \r | |
281 | int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r | |
282 | {\r | |
283 | // variables\r | |
4abe4f58 | 284 | int len; \r |
20f9a2a1 M |
285 | uint8_t bt[2];\r |
286 | \r | |
f71f4deb | 287 | uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r |
288 | uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r | |
20f9a2a1 | 289 | \r |
4abe4f58 | 290 | // command MIFARE_CLASSIC_READBLOCK\r |
6a1f2d82 | 291 | len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r |
20f9a2a1 | 292 | if (len == 1) {\r |
f397b5cc | 293 | if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r |
20f9a2a1 M |
294 | return 1;\r |
295 | }\r | |
296 | if (len != 18) {\r | |
f397b5cc | 297 | if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: card timeout. len: %x", len); \r |
20f9a2a1 M |
298 | return 2;\r |
299 | }\r | |
300 | \r | |
301 | memcpy(bt, receivedAnswer + 16, 2);\r | |
4abe4f58 | 302 | AppendCrc14443a(receivedAnswer, 16);\r |
20f9a2a1 | 303 | if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r |
f397b5cc | 304 | if (MF_DBGLEVEL >= 1) Dbprintf("Cmd CRC response error."); \r |
20f9a2a1 M |
305 | return 3;\r |
306 | }\r | |
307 | \r | |
308 | memcpy(blockData, receivedAnswer, 16);\r | |
f168b263 | 309 | return 0;\r |
310 | }\r | |
311 | \r | |
a631936e | 312 | // mifare ultralight commands\r |
8258f409 | 313 | int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){\r |
cceabb79 | 314 | \r |
315 | uint16_t len;\r | |
8258f409 | 316 | uint8_t resp[4];\r |
317 | uint8_t respPar[1];\r | |
318 | uint8_t key[4] = {0x00};\r | |
319 | memcpy(key, keybytes, 4);\r | |
320 | \r | |
321 | Dbprintf("EV1 Auth : %02x%02x%02x%02x", key[0], key[1], key[2], key[3]);\r | |
322 | len = mifare_sendcmd_short_mfuev1auth(NULL, 0, 0x1B, key, resp, respPar, NULL);\r | |
cceabb79 | 323 | if (len != 4) {\r |
8258f409 | 324 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x %u", resp[0], len);\r |
9d87eb66 | 325 | return 0;\r |
cceabb79 | 326 | }\r |
8258f409 | 327 | \r |
328 | if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r | |
329 | Dbprintf("Auth Resp: %02x%02x%02x%02x", resp[0],resp[1],resp[2],resp[3]);\r | |
330 | \r | |
331 | memcpy(pack, resp, 4);\r | |
9d87eb66 | 332 | return 1;\r |
cceabb79 | 333 | }\r |
334 | \r | |
8258f409 | 335 | int mifare_ultra_auth(uint8_t *keybytes){\r |
336 | \r | |
337 | /// 3des2k\r | |
338 | \r | |
339 | uint8_t random_a[8] = {1,1,1,1,1,1,1,1};\r | |
340 | uint8_t random_b[8] = {0x00};\r | |
341 | uint8_t enc_random_b[8] = {0x00};\r | |
342 | uint8_t rnd_ab[16] = {0x00};\r | |
343 | uint8_t IV[8] = {0x00};\r | |
344 | uint8_t key[16] = {0x00};\r | |
345 | memcpy(key, keybytes, 16);\r | |
a631936e | 346 | \r |
347 | uint16_t len;\r | |
8258f409 | 348 | uint8_t resp[19] = {0x00};\r |
349 | uint8_t respPar[3] = {0,0,0};\r | |
350 | \r | |
351 | // REQUEST AUTHENTICATION\r | |
352 | len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, resp, respPar ,NULL);\r | |
f168b263 | 353 | if (len != 11) {\r |
8258f409 | 354 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r |
9d87eb66 | 355 | return 0;\r |
a631936e | 356 | }\r |
a631936e | 357 | \r |
8258f409 | 358 | // tag nonce.\r |
359 | memcpy(enc_random_b,resp+1,8);\r | |
360 | \r | |
361 | // decrypt nonce.\r | |
362 | tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );\r | |
363 | rol(random_b,8);\r | |
364 | memcpy(rnd_ab ,random_a,8);\r | |
365 | memcpy(rnd_ab+8,random_b,8);\r | |
366 | \r | |
a631936e | 367 | if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r |
8258f409 | 368 | Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x",\r |
369 | enc_random_b[0],enc_random_b[1],enc_random_b[2],enc_random_b[3],enc_random_b[4],enc_random_b[5],enc_random_b[6],enc_random_b[7]);\r | |
a631936e | 370 | \r |
8258f409 | 371 | Dbprintf(" B: %02x %02x %02x %02x %02x %02x %02x %02x",\r |
372 | random_b[0],random_b[1],random_b[2],random_b[3],random_b[4],random_b[5],random_b[6],random_b[7]);\r | |
a631936e | 373 | \r |
8258f409 | 374 | Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",\r |
375 | rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);\r | |
376 | \r | |
377 | Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",\r | |
378 | rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15] );\r | |
379 | }\r | |
380 | \r | |
381 | // encrypt out, in, length, key, iv\r | |
382 | tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r | |
383 | \r | |
384 | len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, resp, respPar, NULL);\r | |
f168b263 | 385 | if (len != 11) {\r |
8258f409 | 386 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r |
9d87eb66 | 387 | return 0;\r |
a631936e | 388 | }\r |
8258f409 | 389 | \r |
390 | uint8_t enc_resp[8] = { 0,0,0,0,0,0,0,0 };\r | |
391 | uint8_t resp_random_a[8] = { 0,0,0,0,0,0,0,0 };\r | |
392 | memcpy(enc_resp, resp+1, 8);\r | |
393 | \r | |
394 | // decrypt out, in, length, key, iv \r | |
395 | tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);\r | |
396 | if ( memcmp(resp_random_a, random_a, 8) != 0 ) {\r | |
397 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("failed authentication");\r | |
9d87eb66 | 398 | return 0;\r |
8258f409 | 399 | }\r |
400 | \r | |
a631936e | 401 | if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r |
8258f409 | 402 | Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", \r |
403 | rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],\r | |
404 | rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);\r | |
405 | \r | |
406 | Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",\r | |
407 | rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],\r | |
408 | rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15]);\r | |
409 | \r | |
410 | Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x",\r | |
411 | random_a[0],random_a[1],random_a[2],random_a[3],\r | |
412 | random_a[4],random_a[5],random_a[6],random_a[7]);\r | |
413 | \r | |
414 | Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x",\r | |
415 | resp_random_a[0],resp_random_a[1],resp_random_a[2],resp_random_a[3],\r | |
416 | resp_random_a[4],resp_random_a[5],resp_random_a[6],resp_random_a[7]);\r | |
a631936e | 417 | }\r |
9d87eb66 | 418 | return 1;\r |
a631936e | 419 | }\r |
420 | \r | |
f168b263 | 421 | int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)\r |
422 | {\r | |
423 | uint16_t len;\r | |
424 | uint8_t bt[2];\r | |
425 | uint8_t receivedAnswer[MAX_FRAME_SIZE];\r | |
426 | uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r | |
3fe4ff4f | 427 | \r |
f168b263 | 428 | len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r |
429 | if (len == 1) {\r | |
430 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r | |
431 | return 1;\r | |
432 | }\r | |
433 | if (len != 18) {\r | |
434 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: card timeout. len: %x", len);\r | |
435 | return 2;\r | |
436 | }\r | |
437 | \r | |
438 | memcpy(bt, receivedAnswer + 16, 2);\r | |
439 | AppendCrc14443a(receivedAnswer, 16);\r | |
440 | if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r | |
441 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd CRC response error.");\r | |
442 | return 3;\r | |
443 | }\r | |
444 | \r | |
445 | memcpy(blockData, receivedAnswer, 14);\r | |
446 | return 0;\r | |
447 | }\r | |
448 | \r | |
f168b263 | 449 | int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r |
450 | {\r | |
451 | // variables\r | |
3fe4ff4f | 452 | uint16_t len, i; \r |
20f9a2a1 | 453 | uint32_t pos;\r |
6a1f2d82 | 454 | uint8_t par[3] = {0}; // enough for 18 Bytes to send\r |
4abe4f58 | 455 | byte_t res;\r |
20f9a2a1 M |
456 | \r |
457 | uint8_t d_block[18], d_block_enc[18];\r | |
f71f4deb | 458 | uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r |
459 | uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r | |
20f9a2a1 | 460 | \r |
4abe4f58 | 461 | // command MIFARE_CLASSIC_WRITEBLOCK\r |
6a1f2d82 | 462 | len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r |
20f9a2a1 M |
463 | \r |
464 | if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r | |
f397b5cc | 465 | if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r |
20f9a2a1 M |
466 | return 1;\r |
467 | }\r | |
468 | \r | |
469 | memcpy(d_block, blockData, 16);\r | |
470 | AppendCrc14443a(d_block, 16);\r | |
471 | \r | |
472 | // crypto\r | |
4abe4f58 M |
473 | for (pos = 0; pos < 18; pos++)\r |
474 | {\r | |
475 | d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r | |
6a1f2d82 | 476 | par[pos>>3] |= (((filter(pcs->odd) ^ oddparity(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\r |
4abe4f58 | 477 | } \r |
20f9a2a1 | 478 | \r |
9492e0b0 | 479 | ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r |
20f9a2a1 | 480 | \r |
4abe4f58 | 481 | // Receive the response\r |
6a1f2d82 | 482 | len = ReaderReceive(receivedAnswer, receivedAnswerPar); \r |
20f9a2a1 M |
483 | \r |
484 | res = 0;\r | |
485 | for (i = 0; i < 4; i++)\r | |
486 | res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], i)) << i;\r | |
487 | \r | |
488 | if ((len != 1) || (res != 0x0A)) {\r | |
f397b5cc | 489 | if (MF_DBGLEVEL >= 1) Dbprintf("Cmd send data2 Error: %02x", res); \r |
20f9a2a1 M |
490 | return 2;\r |
491 | }\r | |
492 | \r | |
f168b263 | 493 | return 0;\r |
494 | }\r | |
495 | \r | |
496 | int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData) \r | |
497 | {\r | |
498 | uint16_t len;\r | |
499 | uint8_t par[3] = {0}; // enough for 18 parity bits\r | |
500 | uint8_t d_block[18] = {0x00};\r | |
501 | uint8_t receivedAnswer[MAX_FRAME_SIZE];\r | |
502 | uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r | |
503 | \r | |
504 | // command MIFARE_CLASSIC_WRITEBLOCK\r | |
505 | len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r | |
506 | \r | |
507 | if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r | |
787b5bd8 | 508 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r |
f168b263 | 509 | Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]);\r |
510 | return 1;\r | |
511 | }\r | |
512 | \r | |
513 | memcpy(d_block, blockData, 16);\r | |
514 | AppendCrc14443a(d_block, 16);\r | |
515 | \r | |
516 | ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);\r | |
517 | \r | |
518 | len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r | |
519 | \r | |
520 | if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r | |
787b5bd8 | 521 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r |
f168b263 | 522 | Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len);\r |
523 | return 2;\r | |
524 | }\r | |
525 | return 0;\r | |
526 | }\r | |
527 | \r | |
528 | int mifare_ultra_special_writeblock(uint8_t blockNo, uint8_t *blockData)\r | |
529 | {\r | |
530 | uint16_t len;\r | |
531 | uint8_t d_block[8] = {0x00};\r | |
f71f4deb | 532 | uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r |
533 | uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r | |
f168b263 | 534 | \r |
535 | // command MIFARE_CLASSIC_WRITEBLOCK\r | |
536 | d_block[0]= blockNo;\r | |
537 | memcpy(d_block+1,blockData,4);\r | |
538 | AppendCrc14443a(d_block, 6);\r | |
539 | \r | |
540 | len = mifare_sendcmd_short_special(NULL, 1, 0xA2, d_block, receivedAnswer, receivedAnswerPar, NULL);\r | |
541 | \r | |
542 | if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK\r | |
787b5bd8 | 543 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r |
f168b263 | 544 | Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);\r |
545 | return 1;\r | |
546 | }\r | |
547 | return 0;\r | |
548 | }\r | |
549 | \r | |
550 | int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) \r | |
551 | {\r | |
6a1f2d82 | 552 | uint16_t len; \r |
f71f4deb | 553 | uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r |
554 | uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r | |
20f9a2a1 | 555 | \r |
6a1f2d82 | 556 | len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r |
4abe4f58 | 557 | if (len != 0) {\r |
787b5bd8 | 558 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r |
559 | Dbprintf("halt error. response len: %x", len); \r | |
20f9a2a1 M |
560 | return 1;\r |
561 | }\r | |
562 | \r | |
f168b263 | 563 | return 0;\r |
564 | }\r | |
565 | \r | |
566 | int mifare_ultra_halt()\r | |
567 | {\r | |
568 | uint16_t len;\r | |
f71f4deb | 569 | uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r |
570 | uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r | |
f168b263 | 571 | \r |
572 | len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r | |
573 | if (len != 0) {\r | |
787b5bd8 | 574 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r |
f168b263 | 575 | Dbprintf("halt error. response len: %x", len);\r |
576 | return 1;\r | |
577 | }\r | |
578 | return 0;\r | |
579 | }\r | |
580 | \r | |
baeaf579 | 581 | \r |
582 | // Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),\r | |
583 | // plus evtl. 8 sectors with 16 blocks each (4k cards)\r | |
584 | uint8_t NumBlocksPerSector(uint8_t sectorNo) \r | |
585 | {\r | |
586 | if (sectorNo < 32) \r | |
587 | return 4;\r | |
588 | else\r | |
589 | return 16;\r | |
590 | }\r | |
591 | \r | |
592 | uint8_t FirstBlockOfSector(uint8_t sectorNo) \r | |
593 | {\r | |
594 | if (sectorNo < 32)\r | |
595 | return sectorNo * 4;\r | |
596 | else\r | |
597 | return 32*4 + (sectorNo - 32) * 16;\r | |
598 | \r | |
599 | }\r | |
600 | \r | |
601 | \r | |
f168b263 | 602 | // work with emulator memory\r |
603 | void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {\r | |
604 | uint8_t* emCARD = BigBuf_get_EM_addr();\r | |
8f51ddb0 M |
605 | memcpy(emCARD + blockNum * 16, data, blocksCount * 16);\r |
606 | }\r | |
607 | \r | |
608 | void emlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r | |
f71f4deb | 609 | uint8_t* emCARD = BigBuf_get_EM_addr();\r |
8f51ddb0 M |
610 | memcpy(data, emCARD + blockNum * 16, blocksCount * 16);\r |
611 | }\r | |
612 | \r | |
613 | void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {\r | |
f71f4deb | 614 | uint8_t* emCARD = BigBuf_get_EM_addr();\r |
8f51ddb0 M |
615 | memcpy(data, emCARD + bytePtr, byteCount);\r |
616 | }\r | |
617 | \r | |
0014cb46 | 618 | int emlCheckValBl(int blockNum) {\r |
f71f4deb | 619 | uint8_t* emCARD = BigBuf_get_EM_addr();\r |
0014cb46 M |
620 | uint8_t* data = emCARD + blockNum * 16;\r |
621 | \r | |
622 | if ((data[0] != (data[4] ^ 0xff)) || (data[0] != data[8]) ||\r | |
623 | (data[1] != (data[5] ^ 0xff)) || (data[1] != data[9]) ||\r | |
624 | (data[2] != (data[6] ^ 0xff)) || (data[2] != data[10]) ||\r | |
625 | (data[3] != (data[7] ^ 0xff)) || (data[3] != data[11]) ||\r | |
626 | (data[12] != (data[13] ^ 0xff)) || (data[12] != data[14]) ||\r | |
627 | (data[12] != (data[15] ^ 0xff))\r | |
628 | ) \r | |
629 | return 1;\r | |
630 | return 0;\r | |
631 | }\r | |
632 | \r | |
633 | int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {\r | |
f71f4deb | 634 | uint8_t* emCARD = BigBuf_get_EM_addr();\r |
0014cb46 M |
635 | uint8_t* data = emCARD + blockNum * 16;\r |
636 | \r | |
637 | if (emlCheckValBl(blockNum)) {\r | |
638 | return 1;\r | |
639 | }\r | |
640 | \r | |
641 | memcpy(blReg, data, 4);\r | |
642 | *blBlock = data[12];\r | |
0014cb46 M |
643 | return 0;\r |
644 | }\r | |
645 | \r | |
646 | int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {\r | |
f71f4deb | 647 | uint8_t* emCARD = BigBuf_get_EM_addr();\r |
0014cb46 M |
648 | uint8_t* data = emCARD + blockNum * 16;\r |
649 | \r | |
650 | memcpy(data + 0, &blReg, 4);\r | |
651 | memcpy(data + 8, &blReg, 4);\r | |
652 | blReg = blReg ^ 0xffffffff;\r | |
653 | memcpy(data + 4, &blReg, 4);\r | |
654 | \r | |
655 | data[12] = blBlock;\r | |
656 | data[13] = blBlock ^ 0xff;\r | |
657 | data[14] = blBlock;\r | |
658 | data[15] = blBlock ^ 0xff;\r | |
659 | \r | |
660 | return 0;\r | |
661 | }\r | |
662 | \r | |
8556b852 M |
663 | uint64_t emlGetKey(int sectorNum, int keyType) {\r |
664 | uint8_t key[6];\r | |
f71f4deb | 665 | uint8_t* emCARD = BigBuf_get_EM_addr();\r |
8556b852 | 666 | \r |
baeaf579 | 667 | memcpy(key, emCARD + 16 * (FirstBlockOfSector(sectorNum) + NumBlocksPerSector(sectorNum) - 1) + keyType * 10, 6);\r |
8556b852 M |
668 | return bytes_to_num(key, 6);\r |
669 | }\r | |
670 | \r | |
8f51ddb0 | 671 | void emlClearMem(void) {\r |
aea4d766 | 672 | int b;\r |
8f51ddb0 M |
673 | \r |
674 | const uint8_t trailer[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x80, 0x69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r | |
8f51ddb0 | 675 | const uint8_t uid[] = {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};\r |
f71f4deb | 676 | uint8_t* emCARD = BigBuf_get_EM_addr();\r |
aea4d766 | 677 | \r |
6a1f2d82 | 678 | memset(emCARD, 0, CARD_MEMORY_SIZE);\r |
aea4d766 | 679 | \r |
680 | // fill sectors trailer data\r | |
681 | for(b = 3; b < 256; b<127?(b+=4):(b+=16)) {\r | |
682 | emlSetMem((uint8_t *)trailer, b , 1);\r | |
683 | } \r | |
8f51ddb0 M |
684 | \r |
685 | // uid\r | |
686 | emlSetMem((uint8_t *)uid, 0, 1);\r | |
687 | return;\r | |
688 | }\r | |
c8b6da22 | 689 | \r |
690 | \r | |
691 | // Mifare desfire commands\r | |
692 | int mifare_sendcmd_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)\r | |
693 | {\r | |
694 | uint8_t dcmd[5] = {0x00};\r | |
695 | dcmd[0] = cmd;\r | |
696 | memcpy(dcmd+1,data,2);\r | |
697 | AppendCrc14443a(dcmd, 3);\r | |
698 | \r | |
699 | ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r | |
700 | int len = ReaderReceive(answer, answer_parity);\r | |
701 | if(!len) {\r | |
702 | if (MF_DBGLEVEL >= MF_DBG_ERROR) \r | |
703 | Dbprintf("Authentication failed. Card timeout.");\r | |
704 | return 1;\r | |
705 | }\r | |
706 | return len;\r | |
707 | }\r | |
708 | \r | |
709 | int mifare_sendcmd_special2(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer,uint8_t *answer_parity, uint32_t *timing)\r | |
710 | {\r | |
711 | uint8_t dcmd[20] = {0x00};\r | |
712 | dcmd[0] = cmd;\r | |
713 | memcpy(dcmd+1,data,17);\r | |
714 | AppendCrc14443a(dcmd, 18);\r | |
715 | \r | |
716 | ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r | |
717 | int len = ReaderReceive(answer, answer_parity);\r | |
718 | if(!len){\r | |
719 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r | |
720 | Dbprintf("Authentication failed. Card timeout.");\r | |
721 | return 1;\r | |
722 | }\r | |
723 | return len;\r | |
724 | }\r | |
725 | \r | |
726 | int mifare_desfire_des_auth1(uint32_t uid, uint8_t *blockData){\r | |
727 | \r | |
728 | int len;\r | |
729 | // load key, keynumber\r | |
730 | uint8_t data[2]={0x0a, 0x00};\r | |
29250969 | 731 | uint8_t receivedAnswer[MAX_FRAME_SIZE];\r |
732 | uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r | |
c8b6da22 | 733 | \r |
734 | len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);\r | |
735 | if (len == 1) {\r | |
736 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r | |
737 | Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r | |
738 | return 1;\r | |
739 | }\r | |
740 | \r | |
741 | if (len == 12) {\r | |
742 | if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r | |
743 | Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r | |
744 | receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r | |
745 | receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r | |
746 | receivedAnswer[10],receivedAnswer[11]);\r | |
747 | }\r | |
748 | memcpy(blockData, receivedAnswer, 12);\r | |
749 | return 0;\r | |
750 | }\r | |
751 | return 1;\r | |
752 | }\r | |
753 | \r | |
754 | int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){\r | |
755 | \r | |
756 | int len;\r | |
757 | uint8_t data[17] = {0x00};\r | |
758 | data[0] = 0xAF;\r | |
759 | memcpy(data+1,key,16);\r | |
760 | \r | |
f71f4deb | 761 | uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r |
762 | uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r | |
c8b6da22 | 763 | \r |
764 | len = mifare_sendcmd_special2(NULL, 1, 0x03, data, receivedAnswer, receivedAnswerPar ,NULL);\r | |
765 | \r | |
766 | if ((receivedAnswer[0] == 0x03) && (receivedAnswer[1] == 0xae)) {\r | |
767 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r | |
768 | Dbprintf("Auth Error: %02x %02x", receivedAnswer[0], receivedAnswer[1]);\r | |
769 | return 1;\r | |
770 | }\r | |
771 | \r | |
772 | if (len == 12){\r | |
773 | if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r | |
774 | Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r | |
775 | receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r | |
776 | receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r | |
777 | receivedAnswer[10],receivedAnswer[11]);\r | |
778 | }\r | |
779 | memcpy(blockData, receivedAnswer, 12);\r | |
780 | return 0;\r | |
781 | }\r | |
782 | return 1;\r | |
f168b263 | 783 | }\r |