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FIX: "hf legic decode" the stamp_len variable was int, but its used as a uint8_t.
[proxmark3-svn] / armsrc / mifareutil.c
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1//-----------------------------------------------------------------------------\r
2// Merlok, May 2011, 2012\r
3// Many authors, whom made it possible\r
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
9// Work with mifare cards.\r
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#include "parity.h"\r
22#include "des.h"\r
23\r
24int MF_DBGLEVEL = MF_DBG_ALL;\r
25\r
26// crypto1 helpers\r
27void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r
28 uint8_t bt = 0;\r
29 int i;\r
30 \r
31 if (len != 1) {\r
32 for (i = 0; i < len; i++)\r
33 data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
34 } else {\r
35 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 0)) << 0;\r
36 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 1)) << 1;\r
37 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 2)) << 2;\r
38 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 3)) << 3;\r
39 data[0] = bt;\r
40 }\r
41 return;\r
42}\r
43\r
44void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, uint8_t *par) {\r
45 uint8_t bt = 0;\r
46 int i;\r
47 par[0] = 0;\r
48 \r
49 for (i = 0; i < len; i++) {\r
50 bt = data[i];\r
51 data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
52 if ((i&0x0007) == 0) \r
53 par[i>>3] = 0;\r
54 par[i>>3] |= (((filter(pcs->odd) ^ oddparity8(bt)) & 0x01)<<(7-(i&0x0007)));\r
55 } \r
56}\r
57\r
58uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {\r
59 uint8_t bt = 0;\r
60 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 0)) << 0;\r
61 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 1)) << 1;\r
62 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 2)) << 2;\r
63 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 3)) << 3;\r
64 return bt;\r
65}\r
66\r
67// send X byte basic commands\r
68int mifare_sendcmd(uint8_t cmd, uint8_t* data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)\r
69{\r
70 uint8_t dcmd[data_size+3];\r
71 dcmd[0] = cmd;\r
72 memcpy(dcmd+1,data,data_size);\r
73 AppendCrc14443a(dcmd, data_size+1);\r
74 ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
75 int len = ReaderReceive(answer, answer_parity);\r
76 if(!len) {\r
77 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("%02X Cmd failed. Card timeout.", cmd);\r
78 len = ReaderReceive(answer,answer_parity);\r
79 }\r
80 return len;\r
81}\r
82\r
83// send 2 byte commands\r
84int 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
85{\r
86 uint8_t dcmd[4] = {0x00};\r
87 uint8_t ecmd[4] = {0x00};\r
88 uint16_t pos, res;\r
89 uint8_t par[1] = {0x00}; // 1 Byte parity is enough here\r
90 dcmd[0] = cmd;\r
91 dcmd[1] = data;\r
92 AppendCrc14443a(dcmd, 2);\r
93 \r
94 memcpy(ecmd, dcmd, sizeof(dcmd));\r
95 \r
96 if (crypted) {\r
97 par[0] = 0;\r
98 for (pos = 0; pos < 4; pos++) {\r
99 ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r
100 par[0] |= (((filter(pcs->odd) ^ oddparity8(dcmd[pos])) & 0x01) << (7-pos));\r
101 } \r
102\r
103 ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r
104\r
105 } else {\r
106 ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
107 }\r
108\r
109 int len = ReaderReceive(answer, par);\r
110 \r
111 if (answer_parity) *answer_parity = par[0];\r
112 \r
113 if (crypted == CRYPT_ALL) {\r
114 if (len == 1) {\r
115 res = 0;\r
116 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 0)) << 0;\r
117 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 1)) << 1;\r
118 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 2)) << 2;\r
119 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 3)) << 3;\r
120 answer[0] = res;\r
121 \r
122 } else {\r
123 for (pos = 0; pos < len; pos++)\r
124 answer[pos] = crypto1_byte(pcs, 0x00, 0) ^ answer[pos];\r
125 }\r
126 }\r
127 \r
128 return len;\r
129}\r
130\r
131// mifare classic commands\r
132int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) \r
133{\r
134 return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);\r
135}\r
136\r
137int 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
138{\r
139 // variables\r
140 int len; \r
141 uint32_t pos;\r
142 uint8_t tmp4[4] = {0x00};\r
143 uint8_t par[1] = {0x00};\r
144\r
145 // "random" reader nonce:\r
146 byte_t nr[4] = {0x55, 0x41, 0x49, 0x92};\r
147 //byte_t nr[4] = {0x01, 0x01, 0x01, 0x01};\r
148 \r
149 uint32_t nt, ntpp; // Supplied tag nonce\r
150 \r
151 uint8_t mf_nr_ar[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };\r
152 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
153 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
154 \r
155 // Transmit MIFARE_CLASSIC_AUTH\r
156 len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer, receivedAnswerPar, timing);\r
157 if (MF_DBGLEVEL >= 4) Dbprintf("rand tag nonce len: %x", len); \r
158 if (len != 4) return 1;\r
159 \r
160 // Save the tag nonce (nt)\r
161 nt = bytes_to_num(receivedAnswer, 4);\r
162\r
163 // ----------------------------- crypto1 create\r
164 if (isNested)\r
165 crypto1_destroy(pcs);\r
166\r
167 // Init cipher with key\r
168 crypto1_create(pcs, ui64Key);\r
169\r
170 if (isNested == AUTH_NESTED) {\r
171 // decrypt nt with help of new key \r
172 nt = crypto1_word(pcs, nt ^ uid, 1) ^ nt;\r
173 } else {\r
174 // Load (plain) uid^nt into the cipher\r
175 crypto1_word(pcs, nt ^ uid, 0);\r
176 }\r
177\r
178 // some statistic\r
179 if (!ntptr && (MF_DBGLEVEL >= 3))\r
180 Dbprintf("auth uid: %08x nt: %08x", uid, nt); \r
181 \r
182 // save Nt\r
183 if (ntptr)\r
184 *ntptr = nt;\r
185\r
186 // Generate (encrypted) nr+parity by loading it into the cipher (Nr)\r
187 par[0] = 0;\r
188 for (pos = 0; pos < 4; pos++) {\r
189 mf_nr_ar[pos] = crypto1_byte(pcs, nr[pos], 0) ^ nr[pos];\r
190 par[0] |= (((filter(pcs->odd) ^ oddparity8(nr[pos])) & 0x01) << (7-pos));\r
191 } \r
192 \r
193 // Skip 32 bits in pseudo random generator\r
194 nt = prng_successor(nt,32);\r
195\r
196 // ar+parity\r
197 for (pos = 4; pos < 8; pos++) {\r
198 nt = prng_successor(nt,8);\r
199 mf_nr_ar[pos] = crypto1_byte(pcs,0x00,0) ^ (nt & 0xff);\r
200 par[0] |= (((filter(pcs->odd) ^ oddparity8(nt & 0xff)) & 0x01) << (7-pos));\r
201 } \r
202 \r
203 // Transmit reader nonce and reader answer\r
204 ReaderTransmitPar(mf_nr_ar, sizeof(mf_nr_ar), par, NULL);\r
205\r
206 // Receive 4 byte tag answer\r
207 len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r
208 if (!len) {\r
209 if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");\r
210 return 2;\r
211 }\r
212 \r
213 memcpy(tmp4, receivedAnswer, 4);\r
214 ntpp = prng_successor(nt, 32) ^ crypto1_word(pcs, 0,0);\r
215 \r
216 if (ntpp != bytes_to_num(tmp4, 4)) {\r
217 if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Error card response.");\r
218 return 3;\r
219 }\r
220 return 0;\r
221}\r
222\r
223int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r
224{\r
225 // variables\r
226 int len; \r
227 uint8_t bt[2] = {0x00};\r
228 \r
229 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
230 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
231 \r
232 // command MIFARE_CLASSIC_READBLOCK\r
233 len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
234 if (len == 1) {\r
235 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r
236 return 1;\r
237 }\r
238 if (len != 18) {\r
239 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: card timeout. len: %x", len); \r
240 return 2;\r
241 }\r
242\r
243 memcpy(bt, receivedAnswer + 16, 2);\r
244 AppendCrc14443a(receivedAnswer, 16);\r
245 if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r
246 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd CRC response error."); \r
247 return 3;\r
248 }\r
249 \r
250 memcpy(blockData, receivedAnswer, 16);\r
251 return 0;\r
252}\r
253\r
254// mifare ultralight commands\r
255int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){\r
256\r
257 uint16_t len;\r
258 uint8_t resp[4] = {0x00};\r
259 uint8_t respPar[1] = {0x00};\r
260 uint8_t key[4] = {0x00};\r
261 memcpy(key, keybytes, 4);\r
262\r
263 if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r
264 Dbprintf("EV1 Auth : %02x%02x%02x%02x", key[0], key[1], key[2], key[3]);\r
265 \r
266 len = mifare_sendcmd(0x1B, key, sizeof(key), resp, respPar, NULL);\r
267\r
268 if (len != 4) {\r
269 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x %u", resp[0], len);\r
270 return 0;\r
271 }\r
272\r
273 if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r
274 Dbprintf("Auth Resp: %02x%02x%02x%02x", resp[0],resp[1],resp[2],resp[3]);\r
275\r
276 memcpy(pack, resp, 4);\r
277 return 1;\r
278}\r
279\r
280int mifare_ultra_auth(uint8_t *keybytes){\r
281\r
282 /// 3des2k\r
283\r
284 uint8_t random_a[8] = {1,1,1,1,1,1,1,1};\r
285 uint8_t random_b[8] = {0x00};\r
286 uint8_t enc_random_b[8] = {0x00};\r
287 uint8_t rnd_ab[16] = {0x00};\r
288 uint8_t IV[8] = {0x00};\r
289 uint8_t key[16] = {0x00};\r
290 memcpy(key, keybytes, 16);\r
291\r
292 uint16_t len;\r
293 uint8_t resp[19] = {0x00};\r
294 uint8_t respPar[3] = {0,0,0};\r
295\r
296 // REQUEST AUTHENTICATION\r
297 len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, resp, respPar ,NULL);\r
298 if (len != 11) {\r
299 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r
300 return 0;\r
301 }\r
302\r
303 // tag nonce.\r
304 memcpy(enc_random_b,resp+1,8);\r
305\r
306 // decrypt nonce.\r
307 tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );\r
308 rol(random_b,8);\r
309 memcpy(rnd_ab ,random_a,8);\r
310 memcpy(rnd_ab+8,random_b,8);\r
311\r
312 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
313 Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x",\r
314 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
315\r
316 Dbprintf(" B: %02x %02x %02x %02x %02x %02x %02x %02x",\r
317 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
318\r
319 Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",\r
320 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
321\r
322 Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",\r
323 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
324 }\r
325\r
326 // encrypt out, in, length, key, iv\r
327 tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r
328 //len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, resp, respPar, NULL);\r
329 len = mifare_sendcmd(0xAF, rnd_ab, sizeof(rnd_ab), resp, respPar, NULL);\r
330 if (len != 11) {\r
331 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r
332 return 0;\r
333 }\r
334\r
335 uint8_t enc_resp[8] = { 0,0,0,0,0,0,0,0 };\r
336 uint8_t resp_random_a[8] = { 0,0,0,0,0,0,0,0 };\r
337 memcpy(enc_resp, resp+1, 8);\r
338\r
339 // decrypt out, in, length, key, iv \r
340 tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);\r
341 if ( memcmp(resp_random_a, random_a, 8) != 0 ) {\r
342 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("failed authentication");\r
343 return 0;\r
344 }\r
345\r
346 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
347 Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", \r
348 rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],\r
349 rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);\r
350\r
351 Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",\r
352 rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],\r
353 rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15]);\r
354\r
355 Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x",\r
356 random_a[0],random_a[1],random_a[2],random_a[3],\r
357 random_a[4],random_a[5],random_a[6],random_a[7]);\r
358\r
359 Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x",\r
360 resp_random_a[0],resp_random_a[1],resp_random_a[2],resp_random_a[3],\r
361 resp_random_a[4],resp_random_a[5],resp_random_a[6],resp_random_a[7]);\r
362 }\r
363 return 1;\r
364}\r
365\r
366int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)\r
367{\r
368 uint16_t len;\r
369 uint8_t bt[2] = {0x00};\r
370 uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};\r
371 uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};\r
372 \r
373 len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
374 if (len == 1) {\r
375 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
376 return 1;\r
377 }\r
378 if (len != 18) {\r
379 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: card timeout. len: %x", len);\r
380 return 2;\r
381 }\r
382 \r
383 memcpy(bt, receivedAnswer + 16, 2);\r
384 AppendCrc14443a(receivedAnswer, 16);\r
385 if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r
386 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd CRC response error.");\r
387 return 3;\r
388 }\r
389 \r
390 memcpy(blockData, receivedAnswer, 14);\r
391 return 0;\r
392}\r
393\r
394int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r
395{\r
396 // variables\r
397 uint16_t len; \r
398 uint32_t pos = 0;\r
399 uint8_t par[3] = {0x00}; // enough for 18 Bytes to send\r
400 byte_t res = 0;\r
401 \r
402 uint8_t d_block[18], d_block_enc[18];\r
403 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
404 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
405 \r
406 // command MIFARE_CLASSIC_WRITEBLOCK\r
407 len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
408\r
409 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
410 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r
411 return 1;\r
412 }\r
413 \r
414 memcpy(d_block, blockData, 16);\r
415 AppendCrc14443a(d_block, 16);\r
416 \r
417 // crypto\r
418 for (pos = 0; pos < 18; pos++) {\r
419 d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r
420 par[pos>>3] |= (((filter(pcs->odd) ^ oddparity8(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\r
421 } \r
422\r
423 ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r
424\r
425 // Receive the response\r
426 len = ReaderReceive(receivedAnswer, receivedAnswerPar); \r
427\r
428 res = 0;\r
429 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 0)) << 0;\r
430 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 1)) << 1;\r
431 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 2)) << 2;\r
432 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 3)) << 3;\r
433\r
434 if ((len != 1) || (res != 0x0A)) {\r
435 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd send data2 Error: %02x", res); \r
436 return 2;\r
437 }\r
438 \r
439 return 0;\r
440}\r
441\r
442/* // command not needed, but left for future testing\r
443int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) \r
444{\r
445 uint16_t len;\r
446 uint8_t par[3] = {0}; // enough for 18 parity bits\r
447 uint8_t d_block[18] = {0x00};\r
448 uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
449 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
450\r
451 len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
452\r
453 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
454 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
455 Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]);\r
456 return 1;\r
457 }\r
458\r
459 memcpy(d_block, blockData, 16);\r
460 AppendCrc14443a(d_block, 16);\r
461\r
462 ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);\r
463\r
464 len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r
465\r
466 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
467 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
468 Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len);\r
469 return 2;\r
470 }\r
471 return 0;\r
472}\r
473*/\r
474\r
475int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)\r
476{\r
477 uint16_t len;\r
478 uint8_t d_block[5] = {0x00};\r
479 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
480 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
481\r
482 // command MIFARE_CLASSIC_WRITEBLOCK\r
483 d_block[0]= blockNo;\r
484 memcpy(d_block+1,blockData,4);\r
485 //AppendCrc14443a(d_block, 6);\r
486\r
487 len = mifare_sendcmd(0xA2, d_block, sizeof(d_block), receivedAnswer, receivedAnswerPar, NULL);\r
488\r
489 if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK\r
490 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
491 Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);\r
492 return 1;\r
493 }\r
494 return 0;\r
495}\r
496int mifare_classic_halt_ex(struct Crypto1State *pcs) {\r
497 uint16_t len; \r
498 uint8_t receivedAnswer[4] = {0x00};\r
499 uint8_t receivedAnswerPar[4] = {0x00};\r
500\r
501 len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
502 if (len != 0) {\r
503 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("halt error. response len: %x", len); \r
504 return 1;\r
505 }\r
506 return 0;\r
507}\r
508int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) {\r
509 return mifare_classic_halt_ex(pcs);\r
510}\r
511\r
512int mifare_ultra_halt()\r
513{\r
514 uint16_t len;\r
515 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
516 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
517 \r
518 len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
519 if (len != 0) {\r
520 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
521 Dbprintf("halt error. response len: %x", len);\r
522 return 1;\r
523 }\r
524 return 0;\r
525}\r
526\r
527\r
528// Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),\r
529// plus evtl. 8 sectors with 16 blocks each (4k cards)\r
530uint8_t NumBlocksPerSector(uint8_t sectorNo) \r
531{\r
532 if (sectorNo < 32) \r
533 return 4;\r
534 return 16;\r
535}\r
536\r
537uint8_t FirstBlockOfSector(uint8_t sectorNo) \r
538{\r
539 if (sectorNo < 32)\r
540 return sectorNo * 4;\r
541 else\r
542 return 32*4 + (sectorNo - 32) * 16;\r
543 \r
544}\r
545\r
546\r
547// work with emulator memory\r
548void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {\r
549 emlSetMem_xt(data, blockNum, blocksCount, 16);\r
550}\r
551\r
552void emlSetMem_xt(uint8_t *data, int blockNum, int blocksCount, int blockBtWidth) {\r
553 uint8_t* emCARD = BigBuf_get_EM_addr();\r
554 memcpy(emCARD + blockNum * blockBtWidth, data, blocksCount * blockBtWidth);\r
555}\r
556\r
557void emlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r
558 uint8_t* emCARD = BigBuf_get_EM_addr();\r
559 memcpy(data, emCARD + blockNum * 16, blocksCount * 16);\r
560}\r
561\r
562void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {\r
563 uint8_t* emCARD = BigBuf_get_EM_addr();\r
564 memcpy(data, emCARD + bytePtr, byteCount);\r
565}\r
566\r
567int emlCheckValBl(int blockNum) {\r
568 uint8_t* emCARD = BigBuf_get_EM_addr();\r
569 uint8_t* data = emCARD + blockNum * 16;\r
570\r
571 if ((data[0] != (data[4] ^ 0xff)) || (data[0] != data[8]) ||\r
572 (data[1] != (data[5] ^ 0xff)) || (data[1] != data[9]) ||\r
573 (data[2] != (data[6] ^ 0xff)) || (data[2] != data[10]) ||\r
574 (data[3] != (data[7] ^ 0xff)) || (data[3] != data[11]) ||\r
575 (data[12] != (data[13] ^ 0xff)) || (data[12] != data[14]) ||\r
576 (data[12] != (data[15] ^ 0xff))\r
577 ) \r
578 return 1;\r
579 return 0;\r
580}\r
581\r
582int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {\r
583 uint8_t* emCARD = BigBuf_get_EM_addr();\r
584 uint8_t* data = emCARD + blockNum * 16;\r
585 \r
586 if (emlCheckValBl(blockNum))\r
587 return 1;\r
588 \r
589 memcpy(blReg, data, 4);\r
590 *blBlock = data[12];\r
591 return 0;\r
592}\r
593\r
594int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {\r
595 uint8_t* emCARD = BigBuf_get_EM_addr();\r
596 uint8_t* data = emCARD + blockNum * 16;\r
597 \r
598 memcpy(data + 0, &blReg, 4);\r
599 memcpy(data + 8, &blReg, 4);\r
600 blReg = blReg ^ 0xffffffff;\r
601 memcpy(data + 4, &blReg, 4);\r
602 \r
603 data[12] = blBlock;\r
604 data[13] = blBlock ^ 0xff;\r
605 data[14] = blBlock;\r
606 data[15] = blBlock ^ 0xff;\r
607 \r
608 return 0;\r
609}\r
610\r
611uint64_t emlGetKey(int sectorNum, int keyType) {\r
612 uint8_t key[6] = {0x00};\r
613 uint8_t* emCARD = BigBuf_get_EM_addr();\r
614 \r
615 memcpy(key, emCARD + 16 * (FirstBlockOfSector(sectorNum) + NumBlocksPerSector(sectorNum) - 1) + keyType * 10, 6);\r
616 return bytes_to_num(key, 6);\r
617}\r
618\r
619void emlClearMem(void) {\r
620 int b;\r
621 \r
622 const uint8_t trailer[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x80, 0x69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r
623 const uint8_t uid[] = {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};\r
624 uint8_t* emCARD = BigBuf_get_EM_addr();\r
625 \r
626 memset(emCARD, 0, CARD_MEMORY_SIZE);\r
627 \r
628 // fill sectors trailer data\r
629 for(b = 3; b < 256; b<127?(b+=4):(b+=16))\r
630 emlSetMem((uint8_t *)trailer, b , 1);\r
631\r
632 // uid\r
633 emlSetMem((uint8_t *)uid, 0, 1);\r
634 return;\r
635}\r
636\r
637\r
638// Mifare desfire commands\r
639int 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
640{\r
641 uint8_t dcmd[5] = {0x00};\r
642 dcmd[0] = cmd;\r
643 memcpy(dcmd+1,data,2);\r
644 AppendCrc14443a(dcmd, 3);\r
645 \r
646 ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
647 int len = ReaderReceive(answer, answer_parity);\r
648 if(!len) {\r
649 if (MF_DBGLEVEL >= MF_DBG_ERROR) \r
650 Dbprintf("Authentication failed. Card timeout.");\r
651 return 1;\r
652 }\r
653 return len;\r
654}\r
655\r
656int 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
657{\r
658 uint8_t dcmd[20] = {0x00};\r
659 dcmd[0] = cmd;\r
660 memcpy(dcmd+1,data,17);\r
661 AppendCrc14443a(dcmd, 18);\r
662\r
663 ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
664 int len = ReaderReceive(answer, answer_parity);\r
665 if(!len){\r
666 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
667 Dbprintf("Authentication failed. Card timeout.");\r
668 return 1;\r
669 }\r
670 return len;\r
671}\r
672\r
673int mifare_desfire_des_auth1(uint32_t uid, uint8_t *blockData){\r
674\r
675 int len;\r
676 // load key, keynumber\r
677 uint8_t data[2]={0x0a, 0x00};\r
678 uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};\r
679 uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};\r
680 \r
681 len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);\r
682 if (len == 1) {\r
683 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
684 Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
685 return 1;\r
686 }\r
687 \r
688 if (len == 12) {\r
689 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
690 Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
691 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
692 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
693 receivedAnswer[10],receivedAnswer[11]);\r
694 }\r
695 memcpy(blockData, receivedAnswer, 12);\r
696 return 0;\r
697 }\r
698 return 1;\r
699}\r
700\r
701int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){\r
702\r
703 int len;\r
704 uint8_t data[17] = {0x00};\r
705 data[0] = 0xAF;\r
706 memcpy(data+1,key,16);\r
707 \r
708 uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};\r
709 uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};\r
710 \r
711 len = mifare_sendcmd_special2(NULL, 1, 0x03, data, receivedAnswer, receivedAnswerPar ,NULL);\r
712 \r
713 if ((receivedAnswer[0] == 0x03) && (receivedAnswer[1] == 0xae)) {\r
714 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
715 Dbprintf("Auth Error: %02x %02x", receivedAnswer[0], receivedAnswer[1]);\r
716 return 1;\r
717 }\r
718 \r
719 if (len == 12){\r
720 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
721 Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
722 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
723 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
724 receivedAnswer[10],receivedAnswer[11]);\r
725 }\r
726 memcpy(blockData, receivedAnswer, 12);\r
727 return 0;\r
728 }\r
729 return 1;\r
730}\r
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