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[proxmark3-svn] / client / mifarehost.c
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b62a5a84 1// Merlok, 2011, 2012\r
f397b5cc
M		 2// people from mifare@nethemba.com, 2010\r
3//\r
4// This code is licensed to you under the terms of the GNU GPL, version 2 or,\r
5// at your option, any later version. See the LICENSE.txt file for the text of\r
6// the license.\r
7//-----------------------------------------------------------------------------\r
55acbb2a 8// mifare commands\r
f397b5cc
M		 9//-----------------------------------------------------------------------------\r
10\r
11#include <stdio.h>\r
873014de 12#include <stdlib.h> \r
31b6e9af 13#include <string.h>\r
f397b5cc
M		 14#include "mifarehost.h"\r
15\r
55acbb2a 16// MIFARE\r
f397b5cc
M		 17\r
18int compar_int(const void * a, const void * b) {\r
19 return (*(uint64_t*)b - *(uint64_t*)a);\r
20}\r
21\r
22// Compare countKeys structure\r
23int compar_special_int(const void * a, const void * b) {\r
24 return (((countKeys *)b)->count - ((countKeys *)a)->count);\r
25}\r
26\r
27countKeys * uniqsort(uint64_t * possibleKeys, uint32_t size) {\r
28 int i, j = 0;\r
29 int count = 0;\r
30 countKeys *our_counts;\r
31 \r
32 qsort(possibleKeys, size, sizeof (uint64_t), compar_int);\r
33 \r
34 our_counts = calloc(size, sizeof(countKeys));\r
35 if (our_counts == NULL) {\r
36 PrintAndLog("Memory allocation error for our_counts");\r
37 return NULL;\r
38 }\r
39 \r
40 for (i = 0; i < size; i++) {\r
41 if (possibleKeys[i+1] == possibleKeys[i]) { \r
42 count++;\r
43 } else {\r
44 our_counts[j].key = possibleKeys[i];\r
45 our_counts[j].count = count;\r
46 j++;\r
47 count=0;\r
48 }\r
49 }\r
50 qsort(our_counts, j, sizeof(countKeys), compar_special_int);\r
51 return (our_counts);\r
52}\r
53\r
54int mfnested(uint8_t blockNo, uint8_t keyType, uint8_t * key, uint8_t trgBlockNo, uint8_t trgKeyType, uint8_t * resultKeys) \r
55{\r
56 int i, m, len;\r
57 uint8_t isEOF;\r
58 uint32_t uid;\r
59 fnVector * vector = NULL;\r
60 countKeys *ck;\r
61 int lenVector = 0;\r
62 UsbCommand * resp = NULL;\r
63 \r
64 memset(resultKeys, 0x00, 16 * 6);\r
65\r
66 // flush queue\r
67 while (WaitForResponseTimeout(CMD_ACK, 500) != NULL) ;\r
68 \r
69 UsbCommand c = {CMD_MIFARE_NESTED, {blockNo, keyType, trgBlockNo + trgKeyType * 0x100}};\r
70 memcpy(c.d.asBytes, key, 6);\r
71 SendCommand(&c);\r
72\r
73 PrintAndLog("\n");\r
74\r
75 // wait cycle\r
76 while (true) {\r
77 printf(".");\r
78 if (ukbhit()) {\r
79 getchar();\r
80 printf("\naborted via keyboard!\n");\r
81 break;\r
82 }\r
83\r
84 resp = WaitForResponseTimeout(CMD_ACK, 1500);\r
85\r
86 if (resp != NULL) {\r
87 isEOF = resp->arg[0] & 0xff;\r
88\r
89 if (isEOF) break;\r
90 \r
91 len = resp->arg[1] & 0xff;\r
92 if (len == 0) continue;\r
93 \r
94 memcpy(&uid, resp->d.asBytes, 4); \r
95 PrintAndLog("uid:%08x len=%d trgbl=%d trgkey=%x", uid, len, resp->arg[2] & 0xff, (resp->arg[2] >> 8) & 0xff);\r
96 vector = (fnVector *) realloc((void *)vector, (lenVector + len) * sizeof(fnVector) + 200);\r
97 if (vector == NULL) {\r
98 PrintAndLog("Memory allocation error for fnVector. len: %d bytes: %d", lenVector + len, (lenVector + len) * sizeof(fnVector)); \r
99 break;\r
100 }\r
101 \r
102 for (i = 0; i < len; i++) {\r
103 vector[lenVector + i].blockNo = resp->arg[2] & 0xff;\r
104 vector[lenVector + i].keyType = (resp->arg[2] >> 8) & 0xff;\r
105 vector[lenVector + i].uid = uid;\r
106\r
107 memcpy(&vector[lenVector + i].nt, (void *)(resp->d.asBytes + 8 + i * 8 + 0), 4);\r
108 memcpy(&vector[lenVector + i].ks1, (void *)(resp->d.asBytes + 8 + i * 8 + 4), 4);\r
109 }\r
110\r
111 lenVector += len;\r
112 }\r
113 }\r
114 \r
115 if (!lenVector) {\r
116 PrintAndLog("Got 0 keys from proxmark."); \r
117 return 1;\r
118 }\r
119 printf("------------------------------------------------------------------\n");\r
120 \r
121 // calc keys\r
122 struct Crypto1State* revstate = NULL;\r
123 struct Crypto1State* revstate_start = NULL;\r
124 uint64_t lfsr;\r
125 int kcount = 0;\r
126 pKeys *pk;\r
127 \r
128 if ((pk = (void *) malloc(sizeof(pKeys))) == NULL) return 1;\r
129 memset(pk, 0x00, sizeof(pKeys));\r
130 \r
131 for (m = 0; m < lenVector; m++) {\r
132 // And finally recover the first 32 bits of the key\r
133 revstate = lfsr_recovery32(vector[m].ks1, vector[m].nt ^ vector[m].uid);\r
134 if (revstate_start == NULL) revstate_start = revstate;\r
135 \r
136 while ((revstate->odd != 0x0) || (revstate->even != 0x0)) {\r
137 lfsr_rollback_word(revstate, vector[m].nt ^ vector[m].uid, 0);\r
138 crypto1_get_lfsr(revstate, &lfsr);\r
139\r
140 // Allocate a new space for keys\r
141 if (((kcount % MEM_CHUNK) == 0) || (kcount >= pk->size)) {\r
142 pk->size += MEM_CHUNK;\r
143//fprintf(stdout, "New chunk by %d, sizeof %d\n", kcount, pk->size * sizeof(uint64_t));\r
144 pk->possibleKeys = (uint64_t *) realloc((void *)pk->possibleKeys, pk->size * sizeof(uint64_t));\r
145 if (pk->possibleKeys == NULL) {\r
146 PrintAndLog("Memory allocation error for pk->possibleKeys"); \r
147 return 1;\r
148 }\r
149 }\r
150 pk->possibleKeys[kcount] = lfsr;\r
151 kcount++;\r
152 revstate++;\r
153 }\r
154 free(revstate_start);\r
155 revstate_start = NULL;\r
156\r
157 }\r
158 \r
159 // Truncate\r
160 if (kcount != 0) {\r
161 pk->size = --kcount;\r
162 if ((pk->possibleKeys = (uint64_t *) realloc((void *)pk->possibleKeys, pk->size * sizeof(uint64_t))) == NULL) {\r
163 PrintAndLog("Memory allocation error for pk->possibleKeys"); \r
164 return 1;\r
165 } \r
166 }\r
167\r
168 PrintAndLog("Total keys count:%d", kcount);\r
169 ck = uniqsort(pk->possibleKeys, pk->size);\r
170\r
171 // fill key array\r
172 for (i = 0; i < 16 ; i++) {\r
173 num_to_bytes(ck[i].key, 6, (uint8_t*)(resultKeys + i * 6));\r
174 }\r
175\r
176 // finalize\r
177 free(pk->possibleKeys);\r
178 free(pk);\r
179 free(ck);\r
180 free(vector);\r
181\r
182 return 0;\r
183}\r
184\r
185int mfCheckKeys (uint8_t blockNo, uint8_t keyType, uint8_t keycnt, uint8_t * keyBlock, uint64_t * key){\r
186 *key = 0;\r
187\r
188 UsbCommand c = {CMD_MIFARE_CHKKEYS, {blockNo, keyType, keycnt}};\r
189 memcpy(c.d.asBytes, keyBlock, 6 * keycnt);\r
190\r
191 SendCommand(&c);\r
192\r
193 UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 3000);\r
194\r
195 if (resp == NULL) return 1;\r
196 if ((resp->arg[0] & 0xff) != 0x01) return 2;\r
197 *key = bytes_to_num(resp->d.asBytes, 6);\r
198 return 0;\r
199}\r
8556b852 200\r
55acbb2a
M		 201// EMULATOR\r
202\r
8556b852 203int mfEmlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r
545a1f38 204 UsbCommand c = {CMD_MIFARE_EML_MEMGET, {blockNum, blocksCount, 0}};\r
8556b852 205 \r
545a1f38 206 SendCommand(&c);\r
8556b852
M		 207\r
208 UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);\r
209\r
210 if (resp == NULL) return 1;\r
211 memcpy(data, resp->d.asBytes, blocksCount * 16); \r
212 return 0;\r
213}\r
214\r
215int mfEmlSetMem(uint8_t *data, int blockNum, int blocksCount) {\r
545a1f38 216 UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNum, blocksCount, 0}};\r
8556b852 217 memcpy(c.d.asBytes, data, blocksCount * 16); \r
545a1f38 218 SendCommand(&c);\r
8556b852
M		 219 return 0;\r
220}\r
221\r
55acbb2a
M		 222// "MAGIC" CARD\r
223\r
0675f200 224int mfCSetUID(uint8_t *uid, uint8_t *oldUID, int wantWipe) {\r
0675f200
M		 225 uint8_t block0[16];\r
226 memset(block0, 0, 16);\r
227 memcpy(block0, uid, 4); \r
228 block0[4] = block0[0]^block0[1]^block0[2]^block0[3]; // Mifare UID BCC\r
8784cd1a
M		 229 // mifare classic SAK(byte 5) and ATQA(byte 6 and 7)\r
230 block0[5] = 0x88;\r
231 block0[6] = 0x04;\r
232 block0[7] = 0x00;\r
f774db95 233 \r
208a0166 234 return mfCSetBlock(0, block0, oldUID, wantWipe, CSETBLOCK_SINGLE_OPER);\r
f774db95
M		 235}\r
236\r
208a0166 237int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, int wantWipe, uint8_t params) {\r
f774db95 238 uint8_t isOK = 0;\r
0675f200 239\r
545a1f38 240 UsbCommand c = {CMD_MIFARE_EML_CSETBLOCK, {wantWipe, params & (0xFE | (uid == NULL ? 0:1)), blockNo}};\r
f774db95 241 memcpy(c.d.asBytes, data, 16); \r
545a1f38 242 SendCommand(&c);\r
0675f200
M		 243\r
244 UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);\r
245\r
246 if (resp != NULL) {\r
247 isOK = resp->arg[0] & 0xff;\r
208a0166 248 if (uid != NULL) memcpy(uid, resp->d.asBytes, 4); \r
0675f200
M		 249 if (!isOK) return 2;\r
250 } else {\r
251 PrintAndLog("Command execute timeout");\r
252 return 1;\r
253 }\r
254 return 0;\r
255}\r
545a1f38
M		 256\r
257int mfCGetBlock(uint8_t blockNo, uint8_t *data, uint8_t params) {\r
258 uint8_t isOK = 0;\r
259\r
260 UsbCommand c = {CMD_MIFARE_EML_CGETBLOCK, {params, 0, blockNo}};\r
261 SendCommand(&c);\r
262\r
263 UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500);\r
264\r
265 if (resp != NULL) {\r
266 isOK = resp->arg[0] & 0xff;\r
267 memcpy(data, resp->d.asBytes, 16); \r
268 if (!isOK) return 2;\r
269 } else {\r
270 PrintAndLog("Command execute timeout");\r
271 return 1;\r
272 }\r
273 return 0;\r
274}\r
55acbb2a
M		 275\r
276// SNIFFER\r
277\r
e0c635d1
M		 278// constants\r
279static uint8_t trailerAccessBytes[4] = {0x08, 0x77, 0x8F, 0x00};\r
280\r
55acbb2a
M		 281// variables\r
282char logHexFileName[200] = {0x00};\r
e0c635d1
M		 283static uint8_t traceCard[4096] = {0x00};\r
284static char traceFileName[20];\r
55acbb2a
M		 285static int traceState = TRACE_IDLE;\r
286static uint8_t traceCurBlock = 0;\r
287static uint8_t traceCurKey = 0;\r
288\r
289struct Crypto1State *traceCrypto1 = NULL;\r
290\r
291struct Crypto1State *revstate;\r
292uint64_t lfsr;\r
293uint32_t ks2;\r
294uint32_t ks3;\r
295\r
296uint32_t uid; // serial number\r
297uint32_t nt; // tag challenge\r
298uint32_t nr_enc; // encrypted reader challenge\r
299uint32_t ar_enc; // encrypted reader response\r
300uint32_t at_enc; // encrypted tag response\r
301\r
e0c635d1
M		 302int isTraceCardEmpty(void) {\r
303 return ((traceCard[0] == 0) && (traceCard[1] == 0) && (traceCard[2] == 0) && (traceCard[3] == 0));\r
304}\r
55acbb2a 305\r
e0c635d1
M		 306int isBlockEmpty(int blockN) {\r
307 for (int i = 0; i < 16; i++) \r
308 if (traceCard[blockN * 16 + i] != 0) return 0;\r
55acbb2a 309\r
e0c635d1
M		 310 return 1;\r
311}\r
312\r
313int isBlockTrailer(int blockN) {\r
314 return ((blockN & 0x03) == 0x03);\r
315}\r
316\r
317int loadTraceCard(uint8_t *tuid) {\r
318 FILE * f;\r
319 char buf[64];\r
320 uint8_t buf8[64];\r
321 int i, blockNum;\r
322 \r
323 if (!isTraceCardEmpty()) saveTraceCard();\r
55acbb2a
M		 324 memset(traceCard, 0x00, 4096);\r
325 memcpy(traceCard, tuid + 3, 4);\r
e0c635d1
M		 326 FillFileNameByUID(traceFileName, tuid, ".eml", 7);\r
327\r
328 f = fopen(traceFileName, "r");\r
329 if (!f) return 1;\r
330 \r
331 blockNum = 0;\r
332 while(!feof(f)){\r
333 memset(buf, 0, sizeof(buf));\r
334 fgets(buf, sizeof(buf), f);\r
335\r
336 if (strlen(buf) < 32){\r
337 if (feof(f)) break;\r
338 PrintAndLog("File content error. Block data must include 32 HEX symbols");\r
339 return 2;\r
340 }\r
341 for (i = 0; i < 32; i += 2)\r
342 sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);\r
343\r
344 memcpy(traceCard + blockNum * 16, buf8, 16);\r
345\r
346 blockNum++;\r
347 }\r
348 fclose(f);\r
349\r
350 return 0;\r
351}\r
352\r
353int saveTraceCard(void) {\r
354 FILE * f;\r
355 \r
356 if ((!strlen(traceFileName)) || (isTraceCardEmpty())) return 0;\r
357 \r
358 f = fopen(traceFileName, "w+");\r
359 for (int i = 0; i < 64; i++) { // blocks\r
360 for (int j = 0; j < 16; j++) // bytes\r
361 fprintf(f, "%02x", *(traceCard + i * 16 + j)); \r
362 fprintf(f,"\n");\r
363 }\r
364 fclose(f);\r
365\r
366 return 0;\r
367}\r
368\r
369int mfTraceInit(uint8_t *tuid, uint8_t *atqa, uint8_t sak, bool wantSaveToEmlFile) {\r
370\r
371 if (traceCrypto1) crypto1_destroy(traceCrypto1);\r
372 traceCrypto1 = NULL;\r
373\r
374 if (wantSaveToEmlFile) loadTraceCard(tuid);\r
55acbb2a
M		 375 traceCard[4] = traceCard[0] ^ traceCard[1] ^ traceCard[2] ^ traceCard[3];\r
376 traceCard[5] = sak;\r
377 memcpy(&traceCard[6], atqa, 2);\r
378 traceCurBlock = 0;\r
379 uid = bytes_to_num(tuid + 3, 4);\r
380 \r
381 traceState = TRACE_IDLE;\r
382\r
383 return 0;\r
384}\r
385\r
386void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len, bool isEncrypted){\r
387 uint8_t bt = 0;\r
388 int i;\r
389 \r
390 if (len != 1) {\r
391 for (i = 0; i < len; i++)\r
392 data[i] = crypto1_byte(pcs, 0x00, isEncrypted) ^ data[i];\r
393 } else {\r
394 bt = 0;\r
395 for (i = 0; i < 4; i++)\r
396 bt |= (crypto1_bit(pcs, 0, isEncrypted) ^ BIT(data[0], i)) << i;\r
397 \r
398 data[0] = bt;\r
399 }\r
400 return;\r
401}\r
402\r
403\r
e0c635d1 404int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {\r
55acbb2a
M		 405 uint8_t data[64];\r
406\r
407 if (traceState == TRACE_ERROR) return 1;\r
408 if (len > 64) {\r
409 traceState = TRACE_ERROR;\r
410 return 1;\r
411 }\r
412 \r
413 memcpy(data, data_src, len);\r
414 if ((traceCrypto1) && ((traceState == TRACE_IDLE) || (traceState > TRACE_AUTH_OK))) {\r
415 mf_crypto1_decrypt(traceCrypto1, data, len, 0);\r
416 PrintAndLog("dec> %s", sprint_hex(data, len));\r
417 AddLogHex(logHexFileName, "dec> ", data, len); \r
418 }\r
419 \r
420 switch (traceState) {\r
421 case TRACE_IDLE: \r
422 // TODO: check packet crc16!\r
423 \r
424 // AUTHENTICATION\r
425 if ((len ==4) && ((data[0] == 0x60) || (data[0] == 0x61))) {\r
426 traceState = TRACE_AUTH1;\r
427 traceCurBlock = data[1];\r
428 traceCurKey = data[0] == 60 ? 1:0;\r
429 return 0;\r
430 }\r
431\r
432 // READ\r
433 if ((len ==4) && ((data[0] == 0x30))) {\r
434 traceState = TRACE_READ_DATA;\r
435 traceCurBlock = data[1];\r
436 return 0;\r
437 }\r
438\r
439 // WRITE\r
440 if ((len ==4) && ((data[0] == 0xA0))) {\r
441 traceState = TRACE_WRITE_OK;\r
442 traceCurBlock = data[1];\r
443 return 0;\r
444 }\r
445\r
446 // HALT\r
447 if ((len ==4) && ((data[0] == 0x50) && (data[1] == 0x00))) {\r
448 traceState = TRACE_ERROR; // do not decrypt the next commands\r
449 return 0;\r
450 }\r
451 \r
452 return 0;\r
453 break;\r
454 \r
455 case TRACE_READ_DATA: \r
456 if (len == 18) {\r
457 traceState = TRACE_IDLE;\r
458\r
e0c635d1
M		 459 if (isBlockTrailer(traceCurBlock)) {\r
460 memcpy(traceCard + traceCurBlock * 16 + 6, data + 6, 4);\r
461 } else {\r
462 memcpy(traceCard + traceCurBlock * 16, data, 16);\r
463 }\r
464 if (wantSaveToEmlFile) saveTraceCard();\r
55acbb2a
M		 465 return 0;\r
466 } else {\r
467 traceState = TRACE_ERROR;\r
468 return 1;\r
469 }\r
470 break;\r
471\r
472 case TRACE_WRITE_OK: \r
473 if ((len == 1) && (data[0] = 0x0a)) {\r
474 traceState = TRACE_WRITE_DATA;\r
475\r
476 return 0;\r
477 } else {\r
478 traceState = TRACE_ERROR;\r
479 return 1;\r
480 }\r
481 break;\r
482\r
483 case TRACE_WRITE_DATA: \r
484 if (len == 18) {\r
485 traceState = TRACE_IDLE;\r
486\r
487 memcpy(traceCard + traceCurBlock * 16, data, 16);\r
e0c635d1 488 if (wantSaveToEmlFile) saveTraceCard();\r
55acbb2a
M		 489 return 0;\r
490 } else {\r
491 traceState = TRACE_ERROR;\r
492 return 1;\r
493 }\r
494 break;\r
495\r
496 case TRACE_AUTH1: \r
497 if (len == 4) {\r
498 traceState = TRACE_AUTH2;\r
499\r
500 nt = bytes_to_num(data, 4);\r
501 return 0;\r
502 } else {\r
503 traceState = TRACE_ERROR;\r
504 return 1;\r
505 }\r
506 break;\r
507\r
508 case TRACE_AUTH2: \r
509 if (len == 8) {\r
510 traceState = TRACE_AUTH_OK;\r
511\r
512 nr_enc = bytes_to_num(data, 4);\r
513 ar_enc = bytes_to_num(data + 4, 4);\r
514 return 0;\r
515 } else {\r
516 traceState = TRACE_ERROR;\r
517 return 1;\r
518 }\r
519 break;\r
520\r
521 case TRACE_AUTH_OK: \r
522 if (len ==4) {\r
523 traceState = TRACE_IDLE;\r
524\r
525 at_enc = bytes_to_num(data, 4);\r
526 \r
527 // decode key here)\r
528 if (!traceCrypto1) {\r
529 ks2 = ar_enc ^ prng_successor(nt, 64);\r
530 ks3 = at_enc ^ prng_successor(nt, 96);\r
531 revstate = lfsr_recovery64(ks2, ks3);\r
532 lfsr_rollback_word(revstate, 0, 0);\r
533 lfsr_rollback_word(revstate, 0, 0);\r
534 lfsr_rollback_word(revstate, nr_enc, 1);\r
535 lfsr_rollback_word(revstate, uid ^ nt, 0);\r
536 }else{\r
537 ks2 = ar_enc ^ prng_successor(nt, 64);\r
538 ks3 = at_enc ^ prng_successor(nt, 96);\r
539 revstate = lfsr_recovery64(ks2, ks3);\r
540 lfsr_rollback_word(revstate, 0, 0);\r
541 lfsr_rollback_word(revstate, 0, 0);\r
542 lfsr_rollback_word(revstate, nr_enc, 1);\r
543 lfsr_rollback_word(revstate, uid ^ nt, 0);\r
544 }\r
545 crypto1_get_lfsr(revstate, &lfsr);\r
546 printf("key> %x%x\n", (unsigned int)((lfsr & 0xFFFFFFFF00000000) >> 32), (unsigned int)(lfsr & 0xFFFFFFFF));\r
547 AddLogUint64(logHexFileName, "key> ", lfsr); \r
548 \r
e0c635d1
M		 549 int blockShift = ((traceCurBlock & 0xFC) + 3) * 16;\r
550 if (isBlockEmpty((traceCurBlock & 0xFC) + 3)) memcpy(traceCard + blockShift + 6, trailerAccessBytes, 4);\r
551 \r
55acbb2a 552 if (traceCurKey) {\r
e0c635d1 553 num_to_bytes(lfsr, 6, traceCard + blockShift + 10);\r
55acbb2a 554 } else {\r
e0c635d1 555 num_to_bytes(lfsr, 6, traceCard + blockShift);\r
55acbb2a 556 }\r
e0c635d1 557 if (wantSaveToEmlFile) saveTraceCard();\r
55acbb2a
M		 558\r
559 if (traceCrypto1) {\r
560 crypto1_destroy(traceCrypto1);\r
561 }\r
562 \r
563 // set cryptosystem state\r
564 traceCrypto1 = lfsr_recovery64(ks2, ks3);\r
565 \r
566// nt = crypto1_word(traceCrypto1, nt ^ uid, 1) ^ nt;\r
567\r
568 /* traceCrypto1 = crypto1_create(lfsr); // key in lfsr\r
569 crypto1_word(traceCrypto1, nt ^ uid, 0);\r
570 crypto1_word(traceCrypto1, ar, 1);\r
571 crypto1_word(traceCrypto1, 0, 0);\r
572 crypto1_word(traceCrypto1, 0, 0);*/\r
573 \r
574 return 0;\r
575 } else {\r
576 traceState = TRACE_ERROR;\r
577 return 1;\r
578 }\r
579 break;\r
580\r
581 default: \r
582 traceState = TRACE_ERROR;\r
583 return 1;\r
584 }\r
585\r
586 return 0;\r
587}\r
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