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[proxmark3-svn] / armsrc / mifareutil.c
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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
21\r
3de04590 22int MF_DBGLEVEL = MF_DBG_ALL;\r
f397b5cc 23\r
8f51ddb0
M		 24// crypto1 helpers\r
25void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r
26 uint8_t bt = 0;\r
27 int i;\r
28 \r
29 if (len != 1) {\r
30 for (i = 0; i < len; i++)\r
31 data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
32 } else {\r
33 bt = 0;\r
34 for (i = 0; i < 4; i++)\r
35 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], i)) << i;\r
36 \r
37 data[0] = bt;\r
38 }\r
39 return;\r
40}\r
41\r
a501c82b 42void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, uint8_t *par) {\r
8f51ddb0
M		 43 uint8_t bt = 0;\r
44 int i;\r
a501c82b 45 par[0] = 0;\r
46 \r
8f51ddb0
M		 47 for (i = 0; i < len; i++) {\r
48 bt = data[i];\r
49 data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
a501c82b 50 if((i&0x0007) == 0) \r
51 par[i>>3] = 0;\r
52 par[i>>3] |= (((filter(pcs->odd) ^ oddparity(bt)) & 0x01)<<(7-(i&0x0007)));\r
8f51ddb0
M		 53 } \r
54 return;\r
55}\r
56\r
57uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {\r
58 uint8_t bt = 0;\r
59 int i;\r
60\r
61 for (i = 0; i < 4; i++)\r
62 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, i)) << i;\r
63 \r
64 return bt;\r
20f9a2a1
M		 65}\r
66\r
8f51ddb0 67// send commands\r
6a1f2d82 68int 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 69{\r
64d1b4ef 70 return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, answer_parity, timing);\r
71}\r
72\r
73int 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
74{\r
75 uint8_t dcmd[8];\r
76 dcmd[0] = cmd;\r
f5ed4d12 77 dcmd[1] = data[0];\r
64d1b4ef 78 dcmd[2] = data[1];\r
f5ed4d12 79 dcmd[3] = data[2];\r
80 dcmd[4] = data[3];\r
81 dcmd[5] = data[4];\r
64d1b4ef 82 AppendCrc14443a(dcmd, 6);\r
83 ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
84 int len = ReaderReceive(answer, answer_parity);\r
85 if(!len) {\r
86 if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");\r
87 return 2;\r
f38a1528 88 }\r
89 return len;\r
90}\r
91\r
a501c82b 92int 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
f38a1528 93{\r
94 uint8_t dcmd[19];\r
95 int len; \r
96 dcmd[0] = cmd;\r
97 memcpy(dcmd+1,data,16);\r
98 AppendCrc14443a(dcmd, 17);\r
99 \r
100 ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
a501c82b 101 len = ReaderReceive(answer, answer_parity);\r
f38a1528 102 if(!len) {\r
225ccb91 103 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed. Card timeout.");\r
a501c82b 104 len = ReaderReceive(answer,answer_parity);\r
f38a1528 105 }\r
106 if(len==1) {\r
225ccb91 107 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("NAK - Authentication failed.");\r
f38a1528 108 return 1;\r
64d1b4ef 109 }\r
110 return len;\r
111}\r
112\r
113int 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
114{\r
115 uint8_t dcmd[4], ecmd[4];\r
a501c82b 116 uint16_t pos, res;\r
117 uint8_t par[1]; // 1 Byte parity is enough here\r
20f9a2a1
M		 118 dcmd[0] = cmd;\r
119 dcmd[1] = data;\r
120 AppendCrc14443a(dcmd, 2);\r
121 \r
122 memcpy(ecmd, dcmd, sizeof(dcmd));\r
123 \r
124 if (crypted) {\r
a501c82b 125 par[0] = 0;\r
20f9a2a1
M		 126 for (pos = 0; pos < 4; pos++)\r
127 {\r
128 ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r
a501c82b 129 par[0] |= (((filter(pcs->odd) ^ oddparity(dcmd[pos])) & 0x01) << (7-pos));\r
20f9a2a1
M		 130 } \r
131\r
9492e0b0 132 ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r
20f9a2a1
M		 133\r
134 } else {\r
9492e0b0 135 ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
20f9a2a1
M		 136 }\r
137\r
a501c82b 138 int len = ReaderReceive(answer, par);\r
f89c7050 139 \r
a501c82b 140 if (answer_parity) *answer_parity = par[0];\r
f89c7050 141 \r
4abe4f58 142 if (crypted == CRYPT_ALL) {\r
20f9a2a1
M		 143 if (len == 1) {\r
144 res = 0;\r
145 for (pos = 0; pos < 4; pos++)\r
146 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], pos)) << pos;\r
147 \r
148 answer[0] = res;\r
149 \r
150 } else {\r
151 for (pos = 0; pos < len; pos++)\r
152 {\r
153 answer[pos] = crypto1_byte(pcs, 0x00, 0) ^ answer[pos];\r
154 }\r
155 }\r
156 }\r
157 \r
158 return len;\r
159}\r
160\r
225ccb91 161// mifare classic commands\r
a501c82b 162int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) \r
f89c7050 163{\r
9492e0b0 164 return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);\r
f89c7050
M		 165}\r
166\r
6a1f2d82 167int 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		 168{\r
169 // variables\r
4abe4f58 170 int len; \r
20f9a2a1
M		 171 uint32_t pos;\r
172 uint8_t tmp4[4];\r
a501c82b 173 uint8_t par[1] = {0x00};\r
174 byte_t nr[4];\r
20f9a2a1
M		 175 uint32_t nt, ntpp; // Supplied tag nonce\r
176 \r
177 uint8_t mf_nr_ar[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };\r
f71f4deb 178 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
179 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
6a1f2d82 180 \r
4abe4f58 181 // Transmit MIFARE_CLASSIC_AUTH\r
a501c82b 182 len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer, receivedAnswerPar, timing);\r
183 if (MF_DBGLEVEL >= 4) Dbprintf("rand tag nonce len: %x", len); \r
4abe4f58 184 if (len != 4) return 1;\r
20f9a2a1 185 \r
a501c82b 186 // "random" reader nonce:\r
187 nr[0] = 0x55;\r
188 nr[1] = 0x41;\r
189 nr[2] = 0x49;\r
190 nr[3] = 0x92; \r
20f9a2a1
M		 191 \r
192 // Save the tag nonce (nt)\r
193 nt = bytes_to_num(receivedAnswer, 4);\r
20f9a2a1
M		 194\r
195 // ----------------------------- crypto1 create\r
4abe4f58
M		 196 if (isNested)\r
197 crypto1_destroy(pcs);\r
198\r
199 // Init cipher with key\r
20f9a2a1
M		 200 crypto1_create(pcs, ui64Key);\r
201\r
4abe4f58
M		 202 if (isNested == AUTH_NESTED) {\r
203 // decrypt nt with help of new key \r
204 nt = crypto1_word(pcs, nt ^ uid, 1) ^ nt;\r
205 } else {\r
206 // Load (plain) uid^nt into the cipher\r
207 crypto1_word(pcs, nt ^ uid, 0);\r
208 }\r
209\r
210 // some statistic\r
f397b5cc 211 if (!ntptr && (MF_DBGLEVEL >= 3))\r
f89c7050
M		 212 Dbprintf("auth uid: %08x nt: %08x", uid, nt); \r
213 \r
214 // save Nt\r
215 if (ntptr)\r
216 *ntptr = nt;\r
20f9a2a1 217\r
4abe4f58 218 // Generate (encrypted) nr+parity by loading it into the cipher (Nr)\r
a501c82b 219 par[0] = 0;\r
4abe4f58
M		 220 for (pos = 0; pos < 4; pos++)\r
221 {\r
a501c82b 222 mf_nr_ar[pos] = crypto1_byte(pcs, nr[pos], 0) ^ nr[pos];\r
223 par[0] |= (((filter(pcs->odd) ^ oddparity(nr[pos])) & 0x01) << (7-pos));\r
4abe4f58 224 } \r
20f9a2a1 225 \r
4abe4f58
M		 226 // Skip 32 bits in pseudo random generator\r
227 nt = prng_successor(nt,32);\r
20f9a2a1
M		 228\r
229 // ar+parity\r
4abe4f58
M		 230 for (pos = 4; pos < 8; pos++)\r
231 {\r
20f9a2a1 232 nt = prng_successor(nt,8);\r
4abe4f58 233 mf_nr_ar[pos] = crypto1_byte(pcs,0x00,0) ^ (nt & 0xff);\r
a501c82b 234 par[0] |= (((filter(pcs->odd) ^ oddparity(nt & 0xff)) & 0x01) << (7-pos));\r
4abe4f58 235 } \r
20f9a2a1 236 \r
4abe4f58 237 // Transmit reader nonce and reader answer\r
9492e0b0 238 ReaderTransmitPar(mf_nr_ar, sizeof(mf_nr_ar), par, NULL);\r
20f9a2a1 239\r
a501c82b 240 // Receive 4 byte tag answer\r
241 len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r
4abe4f58
M		 242 if (!len)\r
243 {\r
f397b5cc 244 if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");\r
20f9a2a1 245 return 2;\r
4abe4f58 246 }\r
20f9a2a1 247 \r
4abe4f58 248 memcpy(tmp4, receivedAnswer, 4);\r
20f9a2a1
M		 249 ntpp = prng_successor(nt, 32) ^ crypto1_word(pcs, 0,0);\r
250 \r
251 if (ntpp != bytes_to_num(tmp4, 4)) {\r
f397b5cc 252 if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Error card response.");\r
20f9a2a1
M		 253 return 3;\r
254 }\r
255\r
256 return 0;\r
257}\r
258\r
259int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r
260{\r
261 // variables\r
4abe4f58 262 int len; \r
20f9a2a1
M		 263 uint8_t bt[2];\r
264 \r
f71f4deb 265 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
266 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
20f9a2a1 267 \r
4abe4f58 268 // command MIFARE_CLASSIC_READBLOCK\r
a501c82b 269 len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
20f9a2a1 270 if (len == 1) {\r
f397b5cc 271 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r
20f9a2a1
M		 272 return 1;\r
273 }\r
274 if (len != 18) {\r
f397b5cc 275 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: card timeout. len: %x", len); \r
20f9a2a1
M		 276 return 2;\r
277 }\r
278\r
279 memcpy(bt, receivedAnswer + 16, 2);\r
4abe4f58 280 AppendCrc14443a(receivedAnswer, 16);\r
20f9a2a1 281 if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r
f397b5cc 282 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd CRC response error."); \r
20f9a2a1
M		 283 return 3;\r
284 }\r
285 \r
286 memcpy(blockData, receivedAnswer, 16);\r
64d1b4ef 287 return 0;\r
f38a1528 288}\r
289\r
225ccb91 290// mifare ultralight commands\r
aa60d156 291int mifare_ultra_auth1(uint8_t *blockData){\r
225ccb91 292\r
a501c82b 293 uint16_t len;\r
aa60d156 294 uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
295 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
f38a1528 296 \r
a501c82b 297 len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);\r
aa60d156 298 if (len != 11) {\r
299 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
f38a1528 300 return 1;\r
301 }\r
225ccb91 302\r
303 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
304 Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
305 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
306 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
307 receivedAnswer[10]);\r
308 }\r
309 memcpy(blockData, receivedAnswer, 11);\r
310 return 0;\r
f38a1528 311}\r
312\r
aa60d156 313int mifare_ultra_auth2(uint8_t *key, uint8_t *blockData){\r
225ccb91 314\r
a501c82b 315 uint16_t len;\r
aa60d156 316 uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
317 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
f38a1528 318 \r
a501c82b 319 len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, key, receivedAnswer, receivedAnswerPar, NULL);\r
aa60d156 320 if (len != 11) {\r
321 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
f38a1528 322 return 1;\r
323 }\r
225ccb91 324 \r
325 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
326 Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
327 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
328 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
329 receivedAnswer[10]);\r
f38a1528 330 }\r
225ccb91 331 memcpy(blockData, receivedAnswer, 11);\r
332 return 0;\r
a631936e 333}\r
334\r
aa60d156 335int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)\r
64d1b4ef 336{\r
337 uint16_t len;\r
338 uint8_t bt[2];\r
aa60d156 339 uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
340 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
3fe4ff4f 341 \r
64d1b4ef 342 len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
343 if (len == 1) {\r
aa60d156 344 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
64d1b4ef 345 return 1;\r
346 }\r
347 if (len != 18) {\r
aa60d156 348 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: card timeout. len: %x", len);\r
64d1b4ef 349 return 2;\r
350 }\r
351 \r
352 memcpy(bt, receivedAnswer + 16, 2);\r
353 AppendCrc14443a(receivedAnswer, 16);\r
354 if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r
aa60d156 355 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd CRC response error.");\r
64d1b4ef 356 return 3;\r
357 }\r
358 \r
359 memcpy(blockData, receivedAnswer, 14);\r
360 return 0;\r
361}\r
362\r
363\r
364int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r
365{\r
366 // variables\r
a501c82b 367 uint16_t len, i; \r
20f9a2a1 368 uint32_t pos;\r
f5ed4d12 369 uint8_t par[3] = {0}; // enough for 18 Bytes to send\r
4abe4f58 370 byte_t res;\r
20f9a2a1
M		 371 \r
372 uint8_t d_block[18], d_block_enc[18];\r
f71f4deb 373 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
374 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
20f9a2a1 375 \r
4abe4f58 376 // command MIFARE_CLASSIC_WRITEBLOCK\r
a501c82b 377 len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
20f9a2a1
M		 378\r
379 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
f397b5cc 380 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r
20f9a2a1
M		 381 return 1;\r
382 }\r
383 \r
384 memcpy(d_block, blockData, 16);\r
385 AppendCrc14443a(d_block, 16);\r
386 \r
387 // crypto\r
4abe4f58
M		 388 for (pos = 0; pos < 18; pos++)\r
389 {\r
390 d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r
a501c82b 391 par[pos>>3] |= (((filter(pcs->odd) ^ oddparity(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\r
4abe4f58 392 } \r
20f9a2a1 393\r
9492e0b0 394 ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r
20f9a2a1 395\r
4abe4f58 396 // Receive the response\r
a501c82b 397 len = ReaderReceive(receivedAnswer, receivedAnswerPar); \r
20f9a2a1
M		 398\r
399 res = 0;\r
400 for (i = 0; i < 4; i++)\r
401 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], i)) << i;\r
402\r
403 if ((len != 1) || (res != 0x0A)) {\r
f397b5cc 404 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd send data2 Error: %02x", res); \r
20f9a2a1
M		 405 return 2;\r
406 }\r
407 \r
64d1b4ef 408 return 0;\r
409}\r
410\r
aa60d156 411int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData) \r
64d1b4ef 412{\r
413 uint16_t len; \r
414 uint8_t par[3] = {0}; // enough for 18 parity bits\r
415 uint8_t d_block[18] = {0x00};\r
aa60d156 416 uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
417 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
64d1b4ef 418 \r
419 // command MIFARE_CLASSIC_WRITEBLOCK\r
420 len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
421\r
422 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
225ccb91 423 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
64d1b4ef 424 Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]); \r
425 return 1;\r
426 }\r
427\r
428 memcpy(d_block, blockData, 16);\r
429 AppendCrc14443a(d_block, 16);\r
430\r
431 ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);\r
432\r
433 len = ReaderReceive(receivedAnswer, receivedAnswerPar); \r
434\r
435 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
225ccb91 436 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
64d1b4ef 437 Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len);\r
438 return 2;\r
439 } \r
440 return 0;\r
441} \r
442\r
aa60d156 443int mifare_ultra_special_writeblock(uint8_t blockNo, uint8_t *blockData)\r
64d1b4ef 444{\r
445 uint16_t len;\r
446 uint8_t d_block[8] = {0x00};\r
f71f4deb 447 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
448 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
64d1b4ef 449\r
450 // command MIFARE_CLASSIC_WRITEBLOCK\r
451 d_block[0]= blockNo;\r
452 memcpy(d_block+1,blockData,4);\r
453 AppendCrc14443a(d_block, 6);\r
454\r
455 len = mifare_sendcmd_short_special(NULL, 1, 0xA2, d_block, receivedAnswer, receivedAnswerPar, NULL);\r
456\r
457 if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK\r
225ccb91 458 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
64d1b4ef 459 Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);\r
460 return 1;\r
461 }\r
462 return 0;\r
463}\r
464\r
465int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) \r
466{\r
a501c82b 467 uint16_t len; \r
f71f4deb 468 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
469 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
20f9a2a1 470\r
a501c82b 471 len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
4abe4f58 472 if (len != 0) {\r
225ccb91 473 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
474 Dbprintf("halt error. response len: %x", len); \r
20f9a2a1
M		 475 return 1;\r
476 }\r
477\r
64d1b4ef 478 return 0;\r
479}\r
480\r
aa60d156 481int mifare_ultra_halt()\r
64d1b4ef 482{\r
483 uint16_t len;\r
f71f4deb 484 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
485 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
64d1b4ef 486 \r
487 len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
488 if (len != 0) {\r
225ccb91 489 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
64d1b4ef 490 Dbprintf("halt error. response len: %x", len);\r
491 return 1;\r
225ccb91 492 }\r
64d1b4ef 493 return 0;\r
494}\r
495\r
baeaf579 496\r
497// Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),\r
498// plus evtl. 8 sectors with 16 blocks each (4k cards)\r
499uint8_t NumBlocksPerSector(uint8_t sectorNo) \r
500{\r
501 if (sectorNo < 32) \r
502 return 4;\r
503 else\r
504 return 16;\r
505}\r
506\r
507uint8_t FirstBlockOfSector(uint8_t sectorNo) \r
508{\r
509 if (sectorNo < 32)\r
510 return sectorNo * 4;\r
511 else\r
512 return 32*4 + (sectorNo - 32) * 16;\r
513 \r
514}\r
515\r
516\r
64d1b4ef 517// work with emulator memory\r
518void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {\r
519 uint8_t* emCARD = BigBuf_get_EM_addr();\r
8f51ddb0
M		 520 memcpy(emCARD + blockNum * 16, data, blocksCount * 16);\r
521}\r
522\r
523void emlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r
f71f4deb 524 uint8_t* emCARD = BigBuf_get_EM_addr();\r
8f51ddb0
M		 525 memcpy(data, emCARD + blockNum * 16, blocksCount * 16);\r
526}\r
527\r
528void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {\r
f71f4deb 529 uint8_t* emCARD = BigBuf_get_EM_addr();\r
8f51ddb0
M		 530 memcpy(data, emCARD + bytePtr, byteCount);\r
531}\r
532\r
0014cb46 533int emlCheckValBl(int blockNum) {\r
f71f4deb 534 uint8_t* emCARD = BigBuf_get_EM_addr();\r
0014cb46
M		 535 uint8_t* data = emCARD + blockNum * 16;\r
536\r
537 if ((data[0] != (data[4] ^ 0xff)) || (data[0] != data[8]) ||\r
538 (data[1] != (data[5] ^ 0xff)) || (data[1] != data[9]) ||\r
539 (data[2] != (data[6] ^ 0xff)) || (data[2] != data[10]) ||\r
540 (data[3] != (data[7] ^ 0xff)) || (data[3] != data[11]) ||\r
541 (data[12] != (data[13] ^ 0xff)) || (data[12] != data[14]) ||\r
542 (data[12] != (data[15] ^ 0xff))\r
543 ) \r
544 return 1;\r
545 return 0;\r
546}\r
547\r
548int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {\r
f71f4deb 549 uint8_t* emCARD = BigBuf_get_EM_addr();\r
0014cb46
M		 550 uint8_t* data = emCARD + blockNum * 16;\r
551 \r
552 if (emlCheckValBl(blockNum)) {\r
553 return 1;\r
554 }\r
555 \r
556 memcpy(blReg, data, 4);\r
557 *blBlock = data[12];\r
0014cb46
M		 558 return 0;\r
559}\r
560\r
561int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {\r
f71f4deb 562 uint8_t* emCARD = BigBuf_get_EM_addr();\r
0014cb46
M		 563 uint8_t* data = emCARD + blockNum * 16;\r
564 \r
565 memcpy(data + 0, &blReg, 4);\r
566 memcpy(data + 8, &blReg, 4);\r
567 blReg = blReg ^ 0xffffffff;\r
568 memcpy(data + 4, &blReg, 4);\r
569 \r
570 data[12] = blBlock;\r
571 data[13] = blBlock ^ 0xff;\r
572 data[14] = blBlock;\r
573 data[15] = blBlock ^ 0xff;\r
574 \r
575 return 0;\r
576}\r
577\r
8556b852
M		 578uint64_t emlGetKey(int sectorNum, int keyType) {\r
579 uint8_t key[6];\r
f71f4deb 580 uint8_t* emCARD = BigBuf_get_EM_addr();\r
8556b852 581 \r
baeaf579 582 memcpy(key, emCARD + 16 * (FirstBlockOfSector(sectorNum) + NumBlocksPerSector(sectorNum) - 1) + keyType * 10, 6);\r
8556b852
M		 583 return bytes_to_num(key, 6);\r
584}\r
585\r
8f51ddb0 586void emlClearMem(void) {\r
aea4d766 587 int b;\r
8f51ddb0
M		 588 \r
589 const uint8_t trailer[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x80, 0x69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r
8f51ddb0 590 const uint8_t uid[] = {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};\r
f71f4deb 591 uint8_t* emCARD = BigBuf_get_EM_addr();\r
aea4d766 592 \r
a501c82b 593 memset(emCARD, 0, CARD_MEMORY_SIZE);\r
aea4d766 594 \r
595 // fill sectors trailer data\r
596 for(b = 3; b < 256; b<127?(b+=4):(b+=16)) {\r
597 emlSetMem((uint8_t *)trailer, b , 1);\r
598 } \r
8f51ddb0
M		 599\r
600 // uid\r
601 emlSetMem((uint8_t *)uid, 0, 1);\r
602 return;\r
603}\r
6ff6ade2 604\r
225ccb91 605\r
606// Mifare desfire commands\r
6ff6ade2 607int 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
608{\r
609 uint8_t dcmd[5] = {0x00};\r
610 dcmd[0] = cmd;\r
611 memcpy(dcmd+1,data,2);\r
612 AppendCrc14443a(dcmd, 3);\r
613 \r
614 ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
615 int len = ReaderReceive(answer, answer_parity);\r
616 if(!len) {\r
225ccb91 617 if (MF_DBGLEVEL >= MF_DBG_ERROR) \r
618 Dbprintf("Authentication failed. Card timeout.");\r
619 return 1;\r
6ff6ade2 620 }\r
621 return len;\r
622}\r
623\r
624int 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
625{\r
626 uint8_t dcmd[20] = {0x00};\r
627 dcmd[0] = cmd;\r
628 memcpy(dcmd+1,data,17);\r
629 AppendCrc14443a(dcmd, 18);\r
630\r
631 ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
632 int len = ReaderReceive(answer, answer_parity);\r
633 if(!len){\r
225ccb91 634 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
635 Dbprintf("Authentication failed. Card timeout.");\r
636 return 1;\r
6ff6ade2 637 }\r
638 return len;\r
639}\r
640\r
641int mifare_desfire_des_auth1(uint32_t uid, uint8_t *blockData){\r
225ccb91 642\r
6ff6ade2 643 int len;\r
e3ab50ca 644 // load key, keynumber\r
6ff6ade2 645 uint8_t data[2]={0x0a, 0x00};\r
aa60d156 646 uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
647 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
6ff6ade2 648 \r
6ff6ade2 649 len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);\r
650 if (len == 1) {\r
225ccb91 651 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
652 Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
6ff6ade2 653 return 1;\r
654 }\r
655 \r
656 if (len == 12) {\r
225ccb91 657 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
658 Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
659 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
660 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
661 receivedAnswer[10],receivedAnswer[11]);\r
662 }\r
663 memcpy(blockData, receivedAnswer, 12);\r
6ff6ade2 664 return 0;\r
665 }\r
666 return 1;\r
667}\r
668\r
669int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){\r
225ccb91 670\r
6ff6ade2 671 int len;\r
e3ab50ca 672 uint8_t data[17] = {0x00};\r
673 data[0] = 0xAF;\r
6ff6ade2 674 memcpy(data+1,key,16);\r
675 \r
aa60d156 676 uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
677 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
6ff6ade2 678 \r
6ff6ade2 679 len = mifare_sendcmd_special2(NULL, 1, 0x03, data, receivedAnswer, receivedAnswerPar ,NULL);\r
680 \r
e3ab50ca 681 if ((receivedAnswer[0] == 0x03) && (receivedAnswer[1] == 0xae)) {\r
225ccb91 682 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
683 Dbprintf("Auth Error: %02x %02x", receivedAnswer[0], receivedAnswer[1]);\r
6ff6ade2 684 return 1;\r
685 }\r
225ccb91 686 \r
6ff6ade2 687 if (len == 12){\r
225ccb91 688 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
689 Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
690 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
691 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
692 receivedAnswer[10],receivedAnswer[11]);\r
693 }\r
6ff6ade2 694 memcpy(blockData, receivedAnswer, 12);\r
695 return 0;\r
696 }\r
697 return 1;\r
64d1b4ef 698}\r
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