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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 24// memory management\r
6a1f2d82 25uint8_t* get_bigbufptr_recvrespbuf(void) {\r
26 return (((uint8_t *)BigBuf) + RECV_RESP_OFFSET); \r
8f51ddb0 27}\r
6a1f2d82 28uint8_t* get_bigbufptr_recvcmdbuf(void) {\r
8f51ddb0
M		 29 return (((uint8_t *)BigBuf) + RECV_CMD_OFFSET); \r
30}\r
6a1f2d82 31uint8_t* get_bigbufptr_emlcardmem(void) {\r
32 return (((uint8_t *)BigBuf) + CARD_MEMORY_OFFSET);\r
8f51ddb0
M		 33}\r
34\r
35// crypto1 helpers\r
36void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r
37 uint8_t bt = 0;\r
38 int i;\r
39 \r
40 if (len != 1) {\r
41 for (i = 0; i < len; i++)\r
42 data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
43 } else {\r
44 bt = 0;\r
45 for (i = 0; i < 4; i++)\r
46 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], i)) << i;\r
47 \r
48 data[0] = bt;\r
49 }\r
50 return;\r
51}\r
52\r
6a1f2d82 53void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, uint8_t *par) {\r
8f51ddb0
M		 54 uint8_t bt = 0;\r
55 int i;\r
6a1f2d82 56 par[0] = 0;\r
3fe4ff4f 57 \r
8f51ddb0
M		 58 for (i = 0; i < len; i++) {\r
59 bt = data[i];\r
60 data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
3fe4ff4f 61 if((i&0x0007) == 0) \r
62 par[i>>3] = 0;\r
6a1f2d82 63 par[i>>3] |= (((filter(pcs->odd) ^ oddparity(bt)) & 0x01)<<(7-(i&0x0007)));\r
8f51ddb0
M		 64 } \r
65 return;\r
66}\r
67\r
68uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {\r
69 uint8_t bt = 0;\r
70 int i;\r
71\r
72 for (i = 0; i < 4; i++)\r
73 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, i)) << i;\r
74 \r
75 return bt;\r
20f9a2a1
M		 76}\r
77\r
8f51ddb0 78// send commands\r
6a1f2d82 79int 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 80{\r
6a1f2d82 81 return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, answer_parity, timing);
981bd429 82}
83
6a1f2d82 84int 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)
981bd429 85{
3fe4ff4f 86 uint8_t dcmd[8];
6a1f2d82 87 dcmd[0] = cmd;
88 dcmd[1] = data[0];
981bd429 89 dcmd[2] = data[1];
90 dcmd[3] = data[2];
91 dcmd[4] = data[3];
92 dcmd[5] = data[4];
93 AppendCrc14443a(dcmd, 6);
981bd429 94 ReaderTransmit(dcmd, sizeof(dcmd), NULL);
6a1f2d82 95 int len = ReaderReceive(answer, answer_parity);
a631936e 96 if(!len) {
981bd429 97 if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");
98 return 2;
a631936e 99 }\r
100 return len;\r
101}\r
102\r
103int 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
104{\r
105 uint8_t dcmd[19];\r
106 int len; \r
107 dcmd[0] = cmd;\r
108 memcpy(dcmd+1,data,16);\r
109 AppendCrc14443a(dcmd, 17);\r
110 \r
111 ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
112 len = ReaderReceive(answer, answer_parity);\r
113 if(!len) {\r
114 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed. Card timeout.");\r
115 len = ReaderReceive(answer,answer_parity);\r
116 }\r
117 if(len==1) {\r
118 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("NAK - Authentication failed.");\r
119 return 1;\r
981bd429 120 }
121 return len;
122}
123
6a1f2d82 124int 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)
981bd429 125{
126 uint8_t dcmd[4], ecmd[4];
6a1f2d82 127 uint16_t pos, res;\r
128 uint8_t par[1]; // 1 Byte parity is enough here\r
20f9a2a1
M		 129 dcmd[0] = cmd;\r
130 dcmd[1] = data;\r
131 AppendCrc14443a(dcmd, 2);\r
132 \r
133 memcpy(ecmd, dcmd, sizeof(dcmd));\r
134 \r
135 if (crypted) {\r
6a1f2d82 136 par[0] = 0;\r
20f9a2a1
M		 137 for (pos = 0; pos < 4; pos++)\r
138 {\r
139 ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r
6a1f2d82 140 par[0] |= (((filter(pcs->odd) ^ oddparity(dcmd[pos])) & 0x01) << (7-pos));\r
20f9a2a1
M		 141 } \r
142\r
9492e0b0 143 ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r
20f9a2a1
M		 144\r
145 } else {\r
9492e0b0 146 ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
20f9a2a1
M		 147 }\r
148\r
6a1f2d82 149 int len = ReaderReceive(answer, par);\r
150 \r
151 if (answer_parity) *answer_parity = par[0];\r
f89c7050 152 \r
4abe4f58 153 if (crypted == CRYPT_ALL) {\r
20f9a2a1
M		 154 if (len == 1) {\r
155 res = 0;\r
156 for (pos = 0; pos < 4; pos++)\r
157 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], pos)) << pos;\r
158 \r
159 answer[0] = res;\r
160 \r
161 } else {\r
162 for (pos = 0; pos < len; pos++)\r
163 {\r
164 answer[pos] = crypto1_byte(pcs, 0x00, 0) ^ answer[pos];\r
165 }\r
166 }\r
167 }\r
168 \r
169 return len;\r
170}\r
171\r
787b5bd8 172// mifare classic commands\r
6a1f2d82 173int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) \r
f89c7050 174{\r
9492e0b0 175 return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);\r
f89c7050
M		 176}\r
177\r
6a1f2d82 178int 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		 179{\r
180 // variables\r
4abe4f58 181 int len; \r
20f9a2a1
M		 182 uint32_t pos;\r
183 uint8_t tmp4[4];\r
3fe4ff4f 184 uint8_t par[1] = {0x00};\r
6a1f2d82 185 byte_t nr[4];\r
20f9a2a1
M		 186 uint32_t nt, ntpp; // Supplied tag nonce\r
187 \r
188 uint8_t mf_nr_ar[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };\r
6a1f2d82 189 uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r
190 uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
191 \r
4abe4f58 192 // Transmit MIFARE_CLASSIC_AUTH\r
6a1f2d82 193 len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer, receivedAnswerPar, timing);\r
194 if (MF_DBGLEVEL >= 4) Dbprintf("rand tag nonce len: %x", len); \r
4abe4f58 195 if (len != 4) return 1;\r
20f9a2a1 196 \r
6a1f2d82 197 // "random" reader nonce:\r
198 nr[0] = 0x55;\r
199 nr[1] = 0x41;\r
200 nr[2] = 0x49;\r
201 nr[3] = 0x92; \r
20f9a2a1
M		 202 \r
203 // Save the tag nonce (nt)\r
204 nt = bytes_to_num(receivedAnswer, 4);\r
20f9a2a1
M		 205\r
206 // ----------------------------- crypto1 create\r
4abe4f58
M		 207 if (isNested)\r
208 crypto1_destroy(pcs);\r
209\r
210 // Init cipher with key\r
20f9a2a1
M		 211 crypto1_create(pcs, ui64Key);\r
212\r
4abe4f58
M		 213 if (isNested == AUTH_NESTED) {\r
214 // decrypt nt with help of new key \r
215 nt = crypto1_word(pcs, nt ^ uid, 1) ^ nt;\r
216 } else {\r
217 // Load (plain) uid^nt into the cipher\r
218 crypto1_word(pcs, nt ^ uid, 0);\r
219 }\r
220\r
221 // some statistic\r
f397b5cc 222 if (!ntptr && (MF_DBGLEVEL >= 3))\r
f89c7050
M		 223 Dbprintf("auth uid: %08x nt: %08x", uid, nt); \r
224 \r
225 // save Nt\r
226 if (ntptr)\r
227 *ntptr = nt;\r
20f9a2a1 228\r
4abe4f58 229 // Generate (encrypted) nr+parity by loading it into the cipher (Nr)\r
6a1f2d82 230 par[0] = 0;\r
4abe4f58
M		 231 for (pos = 0; pos < 4; pos++)\r
232 {\r
6a1f2d82 233 mf_nr_ar[pos] = crypto1_byte(pcs, nr[pos], 0) ^ nr[pos];\r
234 par[0] |= (((filter(pcs->odd) ^ oddparity(nr[pos])) & 0x01) << (7-pos));\r
4abe4f58 235 } \r
20f9a2a1 236 \r
4abe4f58
M		 237 // Skip 32 bits in pseudo random generator\r
238 nt = prng_successor(nt,32);\r
20f9a2a1
M		 239\r
240 // ar+parity\r
4abe4f58
M		 241 for (pos = 4; pos < 8; pos++)\r
242 {\r
20f9a2a1 243 nt = prng_successor(nt,8);\r
4abe4f58 244 mf_nr_ar[pos] = crypto1_byte(pcs,0x00,0) ^ (nt & 0xff);\r
6a1f2d82 245 par[0] |= (((filter(pcs->odd) ^ oddparity(nt & 0xff)) & 0x01) << (7-pos));\r
4abe4f58 246 } \r
20f9a2a1 247 \r
4abe4f58 248 // Transmit reader nonce and reader answer\r
9492e0b0 249 ReaderTransmitPar(mf_nr_ar, sizeof(mf_nr_ar), par, NULL);\r
20f9a2a1 250\r
6a1f2d82 251 // Receive 4 byte tag answer\r
252 len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r
4abe4f58
M		 253 if (!len)\r
254 {\r
f397b5cc 255 if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");\r
20f9a2a1 256 return 2;\r
4abe4f58 257 }\r
20f9a2a1 258 \r
4abe4f58 259 memcpy(tmp4, receivedAnswer, 4);\r
20f9a2a1
M		 260 ntpp = prng_successor(nt, 32) ^ crypto1_word(pcs, 0,0);\r
261 \r
262 if (ntpp != bytes_to_num(tmp4, 4)) {\r
f397b5cc 263 if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Error card response.");\r
20f9a2a1
M		 264 return 3;\r
265 }\r
266\r
267 return 0;\r
268}\r
269\r
270int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r
271{\r
272 // variables\r
4abe4f58 273 int len; \r
20f9a2a1
M		 274 uint8_t bt[2];\r
275 \r
6a1f2d82 276 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
277 uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
20f9a2a1 278 \r
4abe4f58 279 // command MIFARE_CLASSIC_READBLOCK\r
6a1f2d82 280 len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
20f9a2a1 281 if (len == 1) {\r
f397b5cc 282 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r
20f9a2a1
M		 283 return 1;\r
284 }\r
285 if (len != 18) {\r
f397b5cc 286 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: card timeout. len: %x", len); \r
20f9a2a1
M		 287 return 2;\r
288 }\r
289\r
290 memcpy(bt, receivedAnswer + 16, 2);\r
4abe4f58 291 AppendCrc14443a(receivedAnswer, 16);\r
20f9a2a1 292 if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r
f397b5cc 293 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd CRC response error."); \r
20f9a2a1
M		 294 return 3;\r
295 }\r
296 \r
297 memcpy(blockData, receivedAnswer, 16);\r
981bd429 298 return 0;
299}
300
a631936e 301// mifare ultralight commands\r
302int mifare_ultra_auth1(uint32_t uid, uint8_t *blockData){\r
303\r
304 uint16_t len;\r
305 uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r
306 uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
307 \r
308 len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);\r
309 if (len == 1) {\r
310 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
311 Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
312 return 1;\r
313 }\r
314 if (len != 11)\r
315 return 1;\r
316\r
317 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
318 Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
319 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
320 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
321 receivedAnswer[10]);\r
322 }\r
323 memcpy(blockData, receivedAnswer, 11);\r
324 return 0;\r
325}\r
326\r
327int mifare_ultra_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){\r
328\r
329 uint16_t len;\r
330 uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r
331 uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
332 \r
333 len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, key, receivedAnswer, receivedAnswerPar, NULL);\r
334 if (len == 1) {\r
335 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
336 Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
337 return 1;\r
338 }\r
339 if (len != 11)\r
340 return 1; \r
341 \r
342 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
343 Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
344 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
345 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
346 receivedAnswer[10]);\r
347 }\r
348 memcpy(blockData, receivedAnswer, 11);\r
349 return 0;\r
350}\r
351\r
981bd429 352int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
353{
6a1f2d82 354 uint16_t len;
981bd429 355 uint8_t bt[2];
6a1f2d82 356 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
357 uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
981bd429 358
3fe4ff4f 359 \r
981bd429 360 // command MIFARE_CLASSIC_READBLOCK
6a1f2d82 361 len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);
981bd429 362 if (len == 1) {
787b5bd8 363 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
364 Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
981bd429 365 return 1;
366 }
367 if (len != 18) {
787b5bd8 368 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
369 Dbprintf("Cmd Error: card timeout. len: %x", len);
981bd429 370 return 2;
371 }
372
373 memcpy(bt, receivedAnswer + 16, 2);
374 AppendCrc14443a(receivedAnswer, 16);
375 if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {
787b5bd8 376 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
377 Dbprintf("Cmd CRC response error.");
981bd429 378 return 3;
379 }
380
381 memcpy(blockData, receivedAnswer, 14);
382 return 0;
383}
384
385
386int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData)
387{
388 // variables
3fe4ff4f 389 uint16_t len, i; \r
20f9a2a1 390 uint32_t pos;\r
6a1f2d82 391 uint8_t par[3] = {0}; // enough for 18 Bytes to send\r
4abe4f58 392 byte_t res;\r
20f9a2a1
M		 393 \r
394 uint8_t d_block[18], d_block_enc[18];\r
6a1f2d82 395 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
396 uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
20f9a2a1 397 \r
4abe4f58 398 // command MIFARE_CLASSIC_WRITEBLOCK\r
6a1f2d82 399 len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
20f9a2a1
M		 400\r
401 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
f397b5cc 402 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r
20f9a2a1
M		 403 return 1;\r
404 }\r
405 \r
406 memcpy(d_block, blockData, 16);\r
407 AppendCrc14443a(d_block, 16);\r
408 \r
409 // crypto\r
4abe4f58
M		 410 for (pos = 0; pos < 18; pos++)\r
411 {\r
412 d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r
6a1f2d82 413 par[pos>>3] |= (((filter(pcs->odd) ^ oddparity(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\r
4abe4f58 414 } \r
20f9a2a1 415\r
9492e0b0 416 ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r
20f9a2a1 417\r
4abe4f58 418 // Receive the response\r
6a1f2d82 419 len = ReaderReceive(receivedAnswer, receivedAnswerPar); \r
20f9a2a1
M		 420\r
421 res = 0;\r
422 for (i = 0; i < 4; i++)\r
423 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], i)) << i;\r
424\r
425 if ((len != 1) || (res != 0x0A)) {\r
f397b5cc 426 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd send data2 Error: %02x", res); \r
20f9a2a1
M		 427 return 2;\r
428 }\r
429 \r
981bd429 430 return 0;
431}
432
433int mifare_ultra_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
434{
6a1f2d82 435 uint16_t len;
436 uint8_t par[3] = {0}; // enough for 18 parity bits
787b5bd8 437 uint8_t d_block[18] = {0x00};
6a1f2d82 438 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
439 uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
981bd429 440
6a1f2d82 441 // command MIFARE_CLASSIC_WRITEBLOCK
442 len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);
981bd429 443
6a1f2d82 444 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK
787b5bd8 445 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
446 Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]);
6a1f2d82 447 return 1;
448 }
981bd429 449
981bd429 450 memcpy(d_block, blockData, 16);
6a1f2d82 451 AppendCrc14443a(d_block, 16);
981bd429 452
453 ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);
454
6a1f2d82 455 len = ReaderReceive(receivedAnswer, receivedAnswerPar);
981bd429 456
457 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK
787b5bd8 458 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
459 Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len);
6a1f2d82 460 return 2;
461 }
6a1f2d82 462 return 0;
981bd429 463}
464
465int mifare_ultra_special_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
466{
6a1f2d82 467 uint16_t len;
787b5bd8 468 uint8_t d_block[8] = {0x00};
6a1f2d82 469 uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r
470 uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
981bd429 471
6a1f2d82 472 // command MIFARE_CLASSIC_WRITEBLOCK
981bd429 473 d_block[0]= blockNo;
474 memcpy(d_block+1,blockData,4);
475 AppendCrc14443a(d_block, 6);
476
6a1f2d82 477 len = mifare_sendcmd_short_special(NULL, 1, 0xA2, d_block, receivedAnswer, receivedAnswerPar, NULL);
981bd429 478
6a1f2d82 479 if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK
787b5bd8 480 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
481 Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);
6a1f2d82 482 return 1;
483 }
787b5bd8 484\r return 0;
981bd429 485}
486
487int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid)
488{
6a1f2d82 489 uint16_t len; \r
6a1f2d82 490 uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r
491 uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
20f9a2a1 492\r
6a1f2d82 493 len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
4abe4f58 494 if (len != 0) {\r
787b5bd8 495 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
496 Dbprintf("halt error. response len: %x", len); \r
20f9a2a1
M		 497 return 1;\r
498 }\r
499\r
981bd429 500 return 0;
501}
502
503int mifare_ultra_halt(uint32_t uid)
504{
6a1f2d82 505 uint16_t len;
6a1f2d82 506 uint8_t *receivedAnswer = get_bigbufptr_recvrespbuf();\r
507 uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
981bd429 508
6a1f2d82 509 len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);
981bd429 510 if (len != 0) {
787b5bd8 511 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
512 Dbprintf("halt error. response len: %x", len);
981bd429 513 return 1;
514 }
981bd429 515 return 0;
516}
517
baeaf579 518\r
519// Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),\r
520// plus evtl. 8 sectors with 16 blocks each (4k cards)\r
521uint8_t NumBlocksPerSector(uint8_t sectorNo) \r
522{\r
523 if (sectorNo < 32) \r
524 return 4;\r
525 else\r
526 return 16;\r
527}\r
528\r
529uint8_t FirstBlockOfSector(uint8_t sectorNo) \r
530{\r
531 if (sectorNo < 32)\r
532 return sectorNo * 4;\r
533 else\r
534 return 32*4 + (sectorNo - 32) * 16;\r
535 \r
536}\r
537\r
538\r
981bd429 539// work with emulator memory
540void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {
6a1f2d82 541 uint8_t* emCARD = get_bigbufptr_emlcardmem();
8f51ddb0
M		 542 memcpy(emCARD + blockNum * 16, data, blocksCount * 16);\r
543}\r
544\r
545void emlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r
6a1f2d82 546 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
8f51ddb0
M		 547 memcpy(data, emCARD + blockNum * 16, blocksCount * 16);\r
548}\r
549\r
550void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {\r
6a1f2d82 551 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
8f51ddb0
M		 552 memcpy(data, emCARD + bytePtr, byteCount);\r
553}\r
554\r
0014cb46 555int emlCheckValBl(int blockNum) {\r
6a1f2d82 556 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
0014cb46
M		 557 uint8_t* data = emCARD + blockNum * 16;\r
558\r
559 if ((data[0] != (data[4] ^ 0xff)) || (data[0] != data[8]) ||\r
560 (data[1] != (data[5] ^ 0xff)) || (data[1] != data[9]) ||\r
561 (data[2] != (data[6] ^ 0xff)) || (data[2] != data[10]) ||\r
562 (data[3] != (data[7] ^ 0xff)) || (data[3] != data[11]) ||\r
563 (data[12] != (data[13] ^ 0xff)) || (data[12] != data[14]) ||\r
564 (data[12] != (data[15] ^ 0xff))\r
565 ) \r
566 return 1;\r
567 return 0;\r
568}\r
569\r
570int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {\r
6a1f2d82 571 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
0014cb46
M		 572 uint8_t* data = emCARD + blockNum * 16;\r
573 \r
574 if (emlCheckValBl(blockNum)) {\r
575 return 1;\r
576 }\r
577 \r
578 memcpy(blReg, data, 4);\r
579 *blBlock = data[12];\r
0014cb46
M		 580 return 0;\r
581}\r
582\r
583int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {\r
6a1f2d82 584 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
0014cb46
M		 585 uint8_t* data = emCARD + blockNum * 16;\r
586 \r
587 memcpy(data + 0, &blReg, 4);\r
588 memcpy(data + 8, &blReg, 4);\r
589 blReg = blReg ^ 0xffffffff;\r
590 memcpy(data + 4, &blReg, 4);\r
591 \r
592 data[12] = blBlock;\r
593 data[13] = blBlock ^ 0xff;\r
594 data[14] = blBlock;\r
595 data[15] = blBlock ^ 0xff;\r
596 \r
597 return 0;\r
598}\r
599\r
8556b852
M		 600uint64_t emlGetKey(int sectorNum, int keyType) {\r
601 uint8_t key[6];\r
6a1f2d82 602 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
8556b852 603 \r
baeaf579 604 memcpy(key, emCARD + 16 * (FirstBlockOfSector(sectorNum) + NumBlocksPerSector(sectorNum) - 1) + keyType * 10, 6);\r
8556b852
M		 605 return bytes_to_num(key, 6);\r
606}\r
607\r
8f51ddb0 608void emlClearMem(void) {\r
aea4d766 609 int b;\r
8f51ddb0
M		 610 \r
611 const uint8_t trailer[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x80, 0x69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r
8f51ddb0 612 const uint8_t uid[] = {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};\r
6a1f2d82 613 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
aea4d766 614 \r
6a1f2d82 615 memset(emCARD, 0, CARD_MEMORY_SIZE);\r
aea4d766 616 \r
617 // fill sectors trailer data\r
618 for(b = 3; b < 256; b<127?(b+=4):(b+=16)) {\r
619 emlSetMem((uint8_t *)trailer, b , 1);\r
620 } \r
8f51ddb0
M		 621\r
622 // uid\r
623 emlSetMem((uint8_t *)uid, 0, 1);\r
624 return;\r
625}\r
c8b6da22 626\r
627\r
628// Mifare desfire commands\r
629int 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
630{\r
631 uint8_t dcmd[5] = {0x00};\r
632 dcmd[0] = cmd;\r
633 memcpy(dcmd+1,data,2);\r
634 AppendCrc14443a(dcmd, 3);\r
635 \r
636 ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
637 int len = ReaderReceive(answer, answer_parity);\r
638 if(!len) {\r
639 if (MF_DBGLEVEL >= MF_DBG_ERROR) \r
640 Dbprintf("Authentication failed. Card timeout.");\r
641 return 1;\r
642 }\r
643 return len;\r
644}\r
645\r
646int 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
647{\r
648 uint8_t dcmd[20] = {0x00};\r
649 dcmd[0] = cmd;\r
650 memcpy(dcmd+1,data,17);\r
651 AppendCrc14443a(dcmd, 18);\r
652\r
653 ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
654 int len = ReaderReceive(answer, answer_parity);\r
655 if(!len){\r
656 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
657 Dbprintf("Authentication failed. Card timeout.");\r
658 return 1;\r
659 }\r
660 return len;\r
661}\r
662\r
663int mifare_desfire_des_auth1(uint32_t uid, uint8_t *blockData){\r
664\r
665 int len;\r
666 // load key, keynumber\r
667 uint8_t data[2]={0x0a, 0x00};\r
668 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
669 uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
670 \r
671 len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);\r
672 if (len == 1) {\r
673 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
674 Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
675 return 1;\r
676 }\r
677 \r
678 if (len == 12) {\r
679 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
680 Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
681 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
682 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
683 receivedAnswer[10],receivedAnswer[11]);\r
684 }\r
685 memcpy(blockData, receivedAnswer, 12);\r
686 return 0;\r
687 }\r
688 return 1;\r
689}\r
690\r
691int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){\r
692\r
693 int len;\r
694 uint8_t data[17] = {0x00};\r
695 data[0] = 0xAF;\r
696 memcpy(data+1,key,16);\r
697 \r
698 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
699 uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
700 \r
701 len = mifare_sendcmd_special2(NULL, 1, 0x03, data, receivedAnswer, receivedAnswerPar ,NULL);\r
702 \r
703 if ((receivedAnswer[0] == 0x03) && (receivedAnswer[1] == 0xae)) {\r
704 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
705 Dbprintf("Auth Error: %02x %02x", receivedAnswer[0], receivedAnswer[1]);\r
706 return 1;\r
707 }\r
708 \r
709 if (len == 12){\r
710 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
711 Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
712 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
713 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
714 receivedAnswer[10],receivedAnswer[11]);\r
715 }\r
716 memcpy(blockData, receivedAnswer, 12);\r
717 return 0;\r
718 }\r
719 return 1;\r
720}
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