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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
f397b5cc
M		 22int MF_DBGLEVEL = MF_DBG_ALL;\r
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
6a1f2d82 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
6a1f2d82 45 par[0] = 0;\r
3fe4ff4f 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
3fe4ff4f 50 if((i&0x0007) == 0) \r
51 par[i>>3] = 0;\r
6a1f2d82 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
f168b263 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
77 dcmd[1] = data[0];\r
78 dcmd[2] = data[1];\r
79 dcmd[3] = data[2];\r
80 dcmd[4] = data[3];\r
81 dcmd[5] = data[4];\r
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
a631936e 88 }\r
89 return len;\r
90}\r
91\r
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
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
101 len = ReaderReceive(answer, answer_parity);\r
102 if(!len) {\r
103 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed. Card timeout.");\r
104 len = ReaderReceive(answer,answer_parity);\r
105 }\r
106 if(len==1) {\r
107 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("NAK - Authentication failed.");\r
108 return 1;\r
f168b263 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
6a1f2d82 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
6a1f2d82 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
6a1f2d82 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
6a1f2d82 138 int len = ReaderReceive(answer, par);\r
139 \r
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
787b5bd8 161// mifare classic commands\r
6a1f2d82 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
3fe4ff4f 173 uint8_t par[1] = {0x00};\r
6a1f2d82 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
6a1f2d82 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
6a1f2d82 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
6a1f2d82 219 par[0] = 0;\r
4abe4f58
M		 220 for (pos = 0; pos < 4; pos++)\r
221 {\r
6a1f2d82 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
6a1f2d82 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
6a1f2d82 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
6a1f2d82 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
f168b263 287 return 0;\r
288}\r
289\r
a631936e 290// mifare ultralight commands\r
cceabb79 291int mifare_ul_ev1_auth(uint8_t *key, uint8_t *pack){\r
292\r
293 uint16_t len;\r
294 uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
295 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
296 \r
297 len = mifare_sendcmd_short_mfucauth(NULL, 0, 0x1B, key, receivedAnswer, receivedAnswerPar, NULL);\r
298 if (len != 4) {\r
299 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x %u", receivedAnswer[0], len);\r
300 return 1;\r
301 }\r
302 \r
303 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
304 Dbprintf("Auth Resp: %02x%02x%02x%02x",\r
305 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3]);\r
306 }\r
307 memcpy(pack, receivedAnswer, 4);\r
308 return 0;\r
309}\r
310\r
f168b263 311int mifare_ultra_auth1(uint8_t *blockData){\r
a631936e 312\r
313 uint16_t len;\r
f168b263 314 uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
315 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
a631936e 316 \r
317 len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);\r
f168b263 318 if (len != 11) {\r
319 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
a631936e 320 return 1;\r
321 }\r
a631936e 322\r
323 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
324 Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
325 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
326 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
327 receivedAnswer[10]);\r
328 }\r
329 memcpy(blockData, receivedAnswer, 11);\r
330 return 0;\r
331}\r
332\r
f168b263 333int mifare_ultra_auth2(uint8_t *key, uint8_t *blockData){\r
a631936e 334\r
335 uint16_t len;\r
f168b263 336 uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
337 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
a631936e 338 \r
339 len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, key, receivedAnswer, receivedAnswerPar, NULL);\r
f168b263 340 if (len != 11) {\r
341 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
a631936e 342 return 1;\r
343 }\r
a631936e 344 \r
345 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
346 Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
347 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
348 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
349 receivedAnswer[10]);\r
350 }\r
351 memcpy(blockData, receivedAnswer, 11);\r
352 return 0;\r
353}\r
354\r
f168b263 355int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)\r
356{\r
357 uint16_t len;\r
358 uint8_t bt[2];\r
359 uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
360 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
3fe4ff4f 361 \r
f168b263 362 len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
363 if (len == 1) {\r
364 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
365 return 1;\r
366 }\r
367 if (len != 18) {\r
368 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: card timeout. len: %x", len);\r
369 return 2;\r
370 }\r
371 \r
372 memcpy(bt, receivedAnswer + 16, 2);\r
373 AppendCrc14443a(receivedAnswer, 16);\r
374 if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r
375 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd CRC response error.");\r
376 return 3;\r
377 }\r
378 \r
379 memcpy(blockData, receivedAnswer, 14);\r
380 return 0;\r
381}\r
382\r
383\r
384\r
385int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r
386{\r
387 // variables\r
3fe4ff4f 388 uint16_t len, i; \r
20f9a2a1 389 uint32_t pos;\r
6a1f2d82 390 uint8_t par[3] = {0}; // enough for 18 Bytes to send\r
4abe4f58 391 byte_t res;\r
20f9a2a1
M		 392 \r
393 uint8_t d_block[18], d_block_enc[18];\r
f71f4deb 394 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
395 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
20f9a2a1 396 \r
4abe4f58 397 // command MIFARE_CLASSIC_WRITEBLOCK\r
6a1f2d82 398 len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
20f9a2a1
M		 399\r
400 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
f397b5cc 401 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r
20f9a2a1
M		 402 return 1;\r
403 }\r
404 \r
405 memcpy(d_block, blockData, 16);\r
406 AppendCrc14443a(d_block, 16);\r
407 \r
408 // crypto\r
4abe4f58
M		 409 for (pos = 0; pos < 18; pos++)\r
410 {\r
411 d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r
6a1f2d82 412 par[pos>>3] |= (((filter(pcs->odd) ^ oddparity(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\r
4abe4f58 413 } \r
20f9a2a1 414\r
9492e0b0 415 ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r
20f9a2a1 416\r
4abe4f58 417 // Receive the response\r
6a1f2d82 418 len = ReaderReceive(receivedAnswer, receivedAnswerPar); \r
20f9a2a1
M		 419\r
420 res = 0;\r
421 for (i = 0; i < 4; i++)\r
422 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], i)) << i;\r
423\r
424 if ((len != 1) || (res != 0x0A)) {\r
f397b5cc 425 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd send data2 Error: %02x", res); \r
20f9a2a1
M		 426 return 2;\r
427 }\r
428 \r
f168b263 429 return 0;\r
430}\r
431\r
432int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData) \r
433{\r
434 uint16_t len;\r
435 uint8_t par[3] = {0}; // enough for 18 parity bits\r
436 uint8_t d_block[18] = {0x00};\r
437 uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
438 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
439\r
440 // command MIFARE_CLASSIC_WRITEBLOCK\r
441 len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
442\r
443 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
787b5bd8 444 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
f168b263 445 Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]);\r
446 return 1;\r
447 }\r
448\r
449 memcpy(d_block, blockData, 16);\r
450 AppendCrc14443a(d_block, 16);\r
451\r
452 ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);\r
453\r
454 len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r
455\r
456 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
787b5bd8 457 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
f168b263 458 Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len);\r
459 return 2;\r
460 }\r
461 return 0;\r
462}\r
463\r
464int mifare_ultra_special_writeblock(uint8_t blockNo, uint8_t *blockData)\r
465{\r
466 uint16_t len;\r
467 uint8_t d_block[8] = {0x00};\r
f71f4deb 468 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
469 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
f168b263 470\r
471 // command MIFARE_CLASSIC_WRITEBLOCK\r
472 d_block[0]= blockNo;\r
473 memcpy(d_block+1,blockData,4);\r
474 AppendCrc14443a(d_block, 6);\r
475\r
476 len = mifare_sendcmd_short_special(NULL, 1, 0xA2, d_block, receivedAnswer, receivedAnswerPar, NULL);\r
477\r
478 if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK\r
787b5bd8 479 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
f168b263 480 Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);\r
481 return 1;\r
482 }\r
483 return 0;\r
484}\r
485\r
486int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) \r
487{\r
6a1f2d82 488 uint16_t len; \r
f71f4deb 489 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
490 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
20f9a2a1 491\r
6a1f2d82 492 len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
4abe4f58 493 if (len != 0) {\r
787b5bd8 494 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
495 Dbprintf("halt error. response len: %x", len); \r
20f9a2a1
M		 496 return 1;\r
497 }\r
498\r
f168b263 499 return 0;\r
500}\r
501\r
502int mifare_ultra_halt()\r
503{\r
504 uint16_t len;\r
f71f4deb 505 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
506 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
f168b263 507 \r
508 len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
509 if (len != 0) {\r
787b5bd8 510 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
f168b263 511 Dbprintf("halt error. response len: %x", len);\r
512 return 1;\r
513 }\r
514 return 0;\r
515}\r
516\r
baeaf579 517\r
518// Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),\r
519// plus evtl. 8 sectors with 16 blocks each (4k cards)\r
520uint8_t NumBlocksPerSector(uint8_t sectorNo) \r
521{\r
522 if (sectorNo < 32) \r
523 return 4;\r
524 else\r
525 return 16;\r
526}\r
527\r
528uint8_t FirstBlockOfSector(uint8_t sectorNo) \r
529{\r
530 if (sectorNo < 32)\r
531 return sectorNo * 4;\r
532 else\r
533 return 32*4 + (sectorNo - 32) * 16;\r
534 \r
535}\r
536\r
537\r
f168b263 538// work with emulator memory\r
539void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {\r
540 uint8_t* emCARD = BigBuf_get_EM_addr();\r
8f51ddb0
M		 541 memcpy(emCARD + blockNum * 16, data, blocksCount * 16);\r
542}\r
543\r
544void emlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r
f71f4deb 545 uint8_t* emCARD = BigBuf_get_EM_addr();\r
8f51ddb0
M		 546 memcpy(data, emCARD + blockNum * 16, blocksCount * 16);\r
547}\r
548\r
549void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {\r
f71f4deb 550 uint8_t* emCARD = BigBuf_get_EM_addr();\r
8f51ddb0
M		 551 memcpy(data, emCARD + bytePtr, byteCount);\r
552}\r
553\r
0014cb46 554int emlCheckValBl(int blockNum) {\r
f71f4deb 555 uint8_t* emCARD = BigBuf_get_EM_addr();\r
0014cb46
M		 556 uint8_t* data = emCARD + blockNum * 16;\r
557\r
558 if ((data[0] != (data[4] ^ 0xff)) || (data[0] != data[8]) ||\r
559 (data[1] != (data[5] ^ 0xff)) || (data[1] != data[9]) ||\r
560 (data[2] != (data[6] ^ 0xff)) || (data[2] != data[10]) ||\r
561 (data[3] != (data[7] ^ 0xff)) || (data[3] != data[11]) ||\r
562 (data[12] != (data[13] ^ 0xff)) || (data[12] != data[14]) ||\r
563 (data[12] != (data[15] ^ 0xff))\r
564 ) \r
565 return 1;\r
566 return 0;\r
567}\r
568\r
569int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {\r
f71f4deb 570 uint8_t* emCARD = BigBuf_get_EM_addr();\r
0014cb46
M		 571 uint8_t* data = emCARD + blockNum * 16;\r
572 \r
573 if (emlCheckValBl(blockNum)) {\r
574 return 1;\r
575 }\r
576 \r
577 memcpy(blReg, data, 4);\r
578 *blBlock = data[12];\r
0014cb46
M		 579 return 0;\r
580}\r
581\r
582int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {\r
f71f4deb 583 uint8_t* emCARD = BigBuf_get_EM_addr();\r
0014cb46
M		 584 uint8_t* data = emCARD + blockNum * 16;\r
585 \r
586 memcpy(data + 0, &blReg, 4);\r
587 memcpy(data + 8, &blReg, 4);\r
588 blReg = blReg ^ 0xffffffff;\r
589 memcpy(data + 4, &blReg, 4);\r
590 \r
591 data[12] = blBlock;\r
592 data[13] = blBlock ^ 0xff;\r
593 data[14] = blBlock;\r
594 data[15] = blBlock ^ 0xff;\r
595 \r
596 return 0;\r
597}\r
598\r
8556b852
M		 599uint64_t emlGetKey(int sectorNum, int keyType) {\r
600 uint8_t key[6];\r
f71f4deb 601 uint8_t* emCARD = BigBuf_get_EM_addr();\r
8556b852 602 \r
baeaf579 603 memcpy(key, emCARD + 16 * (FirstBlockOfSector(sectorNum) + NumBlocksPerSector(sectorNum) - 1) + keyType * 10, 6);\r
8556b852
M		 604 return bytes_to_num(key, 6);\r
605}\r
606\r
8f51ddb0 607void emlClearMem(void) {\r
aea4d766 608 int b;\r
8f51ddb0
M		 609 \r
610 const uint8_t trailer[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x80, 0x69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r
8f51ddb0 611 const uint8_t uid[] = {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};\r
f71f4deb 612 uint8_t* emCARD = BigBuf_get_EM_addr();\r
aea4d766 613 \r
6a1f2d82 614 memset(emCARD, 0, CARD_MEMORY_SIZE);\r
aea4d766 615 \r
616 // fill sectors trailer data\r
617 for(b = 3; b < 256; b<127?(b+=4):(b+=16)) {\r
618 emlSetMem((uint8_t *)trailer, b , 1);\r
619 } \r
8f51ddb0
M		 620\r
621 // uid\r
622 emlSetMem((uint8_t *)uid, 0, 1);\r
623 return;\r
624}\r
c8b6da22 625\r
626\r
627// Mifare desfire commands\r
628int 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
629{\r
630 uint8_t dcmd[5] = {0x00};\r
631 dcmd[0] = cmd;\r
632 memcpy(dcmd+1,data,2);\r
633 AppendCrc14443a(dcmd, 3);\r
634 \r
635 ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
636 int len = ReaderReceive(answer, answer_parity);\r
637 if(!len) {\r
638 if (MF_DBGLEVEL >= MF_DBG_ERROR) \r
639 Dbprintf("Authentication failed. Card timeout.");\r
640 return 1;\r
641 }\r
642 return len;\r
643}\r
644\r
645int 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
646{\r
647 uint8_t dcmd[20] = {0x00};\r
648 dcmd[0] = cmd;\r
649 memcpy(dcmd+1,data,17);\r
650 AppendCrc14443a(dcmd, 18);\r
651\r
652 ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
653 int len = ReaderReceive(answer, answer_parity);\r
654 if(!len){\r
655 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
656 Dbprintf("Authentication failed. Card timeout.");\r
657 return 1;\r
658 }\r
659 return len;\r
660}\r
661\r
662int mifare_desfire_des_auth1(uint32_t uid, uint8_t *blockData){\r
663\r
664 int len;\r
665 // load key, keynumber\r
666 uint8_t data[2]={0x0a, 0x00};\r
f71f4deb 667 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
668 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
c8b6da22 669 \r
670 len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);\r
671 if (len == 1) {\r
672 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
673 Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
674 return 1;\r
675 }\r
676 \r
677 if (len == 12) {\r
678 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
679 Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
680 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
681 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
682 receivedAnswer[10],receivedAnswer[11]);\r
683 }\r
684 memcpy(blockData, receivedAnswer, 12);\r
685 return 0;\r
686 }\r
687 return 1;\r
688}\r
689\r
690int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){\r
691\r
692 int len;\r
693 uint8_t data[17] = {0x00};\r
694 data[0] = 0xAF;\r
695 memcpy(data+1,key,16);\r
696 \r
f71f4deb 697 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r
698 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r
c8b6da22 699 \r
700 len = mifare_sendcmd_special2(NULL, 1, 0x03, data, receivedAnswer, receivedAnswerPar ,NULL);\r
701 \r
702 if ((receivedAnswer[0] == 0x03) && (receivedAnswer[1] == 0xae)) {\r
703 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
704 Dbprintf("Auth Error: %02x %02x", receivedAnswer[0], receivedAnswer[1]);\r
705 return 1;\r
706 }\r
707 \r
708 if (len == 12){\r
709 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
710 Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
711 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
712 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
713 receivedAnswer[10],receivedAnswer[11]);\r
714 }\r
715 memcpy(blockData, receivedAnswer, 12);\r
716 return 0;\r
717 }\r
718 return 1;\r
f168b263 719}\r
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