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1 | //-----------------------------------------------------------------------------\r | |
2 | // Merlok - June 2011, 2012\r | |
3 | // Gerhard de Koning Gans - May 2008\r | |
4 | // Hagen Fritsch - June 2010\r | |
5 | //\r | |
6 | // This code is licensed to you under the terms of the GNU GPL, version 2 or,\r | |
7 | // at your option, any later version. See the LICENSE.txt file for the text of\r | |
8 | // the license.\r | |
9 | //-----------------------------------------------------------------------------\r | |
10 | // Routines to support ISO 14443 type A.\r | |
11 | //-----------------------------------------------------------------------------\r | |
12 | \r | |
13 | #include "mifarecmd.h"\r | |
14 | #include "apps.h"\r | |
15 | \r | |
16 | //-----------------------------------------------------------------------------\r | |
17 | // Select, Authenticaate, Read an MIFARE tag. \r | |
18 | // read block\r | |
19 | //-----------------------------------------------------------------------------\r | |
20 | void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r | |
21 | {\r | |
22 | // params\r | |
23 | uint8_t blockNo = arg0;\r | |
24 | uint8_t keyType = arg1;\r | |
25 | uint64_t ui64Key = 0;\r | |
26 | ui64Key = bytes_to_num(datain, 6);\r | |
27 | \r | |
28 | // variables\r | |
29 | byte_t isOK = 0;\r | |
30 | byte_t dataoutbuf[16];\r | |
31 | uint8_t uid[10];\r | |
32 | uint32_t cuid;\r | |
33 | struct Crypto1State mpcs = {0, 0};\r | |
34 | struct Crypto1State *pcs;\r | |
35 | pcs = &mpcs;\r | |
36 | \r | |
37 | // clear trace\r | |
38 | iso14a_clear_trace();\r | |
39 | // iso14a_set_tracing(false);\r | |
40 | \r | |
41 | iso14443a_setup();\r | |
42 | \r | |
43 | LED_A_ON();\r | |
44 | LED_B_OFF();\r | |
45 | LED_C_OFF();\r | |
46 | \r | |
47 | while (true) {\r | |
48 | if(!iso14443a_select_card(uid, NULL, &cuid)) {\r | |
49 | if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r | |
50 | break;\r | |
51 | };\r | |
52 | \r | |
53 | if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r | |
54 | if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r | |
55 | break;\r | |
56 | };\r | |
57 | \r | |
58 | if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) {\r | |
59 | if (MF_DBGLEVEL >= 1) Dbprintf("Read block error");\r | |
60 | break;\r | |
61 | };\r | |
62 | \r | |
63 | if(mifare_classic_halt(pcs, cuid)) {\r | |
64 | if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r | |
65 | break;\r | |
66 | };\r | |
67 | \r | |
68 | isOK = 1;\r | |
69 | break;\r | |
70 | }\r | |
71 | \r | |
72 | // ----------------------------- crypto1 destroy\r | |
73 | crypto1_destroy(pcs);\r | |
74 | \r | |
75 | if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED");\r | |
76 | \r | |
77 | // add trace trailer\r | |
78 | memset(uid, 0x44, 4);\r | |
79 | LogTrace(uid, 4, 0, 0, TRUE);\r | |
80 | \r | |
81 | // UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};\r | |
82 | // memcpy(ack.d.asBytes, dataoutbuf, 16);\r | |
83 | \r | |
84 | LED_B_ON();\r | |
85 | cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16);\r | |
86 | // UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));\r | |
87 | LED_B_OFF();\r | |
88 | \r | |
89 | \r | |
90 | // Thats it...\r | |
91 | FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r | |
92 | LEDsoff();\r | |
93 | // iso14a_set_tracing(TRUE);\r | |
94 | \r | |
95 | }\r | |
96 | \r | |
97 | //-----------------------------------------------------------------------------\r | |
98 | // Select, Authenticaate, Read an MIFARE tag. \r | |
99 | // read sector (data = 4 x 16 bytes = 64 bytes)\r | |
100 | //-----------------------------------------------------------------------------\r | |
101 | void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r | |
102 | {\r | |
103 | // params\r | |
104 | uint8_t sectorNo = arg0;\r | |
105 | uint8_t keyType = arg1;\r | |
106 | uint64_t ui64Key = 0;\r | |
107 | ui64Key = bytes_to_num(datain, 6);\r | |
108 | \r | |
109 | // variables\r | |
110 | byte_t isOK = 0;\r | |
111 | byte_t dataoutbuf[16 * 4];\r | |
112 | uint8_t uid[10];\r | |
113 | uint32_t cuid;\r | |
114 | struct Crypto1State mpcs = {0, 0};\r | |
115 | struct Crypto1State *pcs;\r | |
116 | pcs = &mpcs;\r | |
117 | \r | |
118 | // clear trace\r | |
119 | iso14a_clear_trace();\r | |
120 | // iso14a_set_tracing(false);\r | |
121 | \r | |
122 | iso14443a_setup();\r | |
123 | \r | |
124 | LED_A_ON();\r | |
125 | LED_B_OFF();\r | |
126 | LED_C_OFF();\r | |
127 | \r | |
128 | while (true) {\r | |
129 | if(!iso14443a_select_card(uid, NULL, &cuid)) {\r | |
130 | if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r | |
131 | break;\r | |
132 | };\r | |
133 | \r | |
134 | if(mifare_classic_auth(pcs, cuid, sectorNo * 4, keyType, ui64Key, AUTH_FIRST)) {\r | |
135 | if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r | |
136 | break;\r | |
137 | };\r | |
138 | \r | |
139 | if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 0, dataoutbuf + 16 * 0)) {\r | |
140 | if (MF_DBGLEVEL >= 1) Dbprintf("Read block 0 error");\r | |
141 | break;\r | |
142 | };\r | |
143 | if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 1, dataoutbuf + 16 * 1)) {\r | |
144 | if (MF_DBGLEVEL >= 1) Dbprintf("Read block 1 error");\r | |
145 | break;\r | |
146 | };\r | |
147 | if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 2, dataoutbuf + 16 * 2)) {\r | |
148 | if (MF_DBGLEVEL >= 1) Dbprintf("Read block 2 error");\r | |
149 | break;\r | |
150 | };\r | |
151 | if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 3, dataoutbuf + 16 * 3)) {\r | |
152 | if (MF_DBGLEVEL >= 1) Dbprintf("Read block 3 error");\r | |
153 | break;\r | |
154 | };\r | |
155 | \r | |
156 | if(mifare_classic_halt(pcs, cuid)) {\r | |
157 | if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r | |
158 | break;\r | |
159 | };\r | |
160 | \r | |
161 | isOK = 1;\r | |
162 | break;\r | |
163 | }\r | |
164 | \r | |
165 | // ----------------------------- crypto1 destroy\r | |
166 | crypto1_destroy(pcs);\r | |
167 | \r | |
168 | if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED");\r | |
169 | \r | |
170 | // add trace trailer\r | |
171 | memset(uid, 0x44, 4);\r | |
172 | LogTrace(uid, 4, 0, 0, TRUE);\r | |
173 | \r | |
174 | // UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};\r | |
175 | // memcpy(ack.d.asBytes, dataoutbuf, 16 * 2);\r | |
176 | \r | |
177 | LED_B_ON();\r | |
178 | cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,32);\r | |
179 | // UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));\r | |
180 | // SpinDelay(100);\r | |
181 | \r | |
182 | // memcpy(ack.d.asBytes, dataoutbuf + 16 * 2, 16 * 2);\r | |
183 | // UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));\r | |
184 | cmd_send(CMD_ACK,isOK,0,0,dataoutbuf+32, 32);\r | |
185 | LED_B_OFF();\r | |
186 | \r | |
187 | // Thats it...\r | |
188 | FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r | |
189 | LEDsoff();\r | |
190 | // iso14a_set_tracing(TRUE);\r | |
191 | \r | |
192 | }\r | |
193 | \r | |
194 | //-----------------------------------------------------------------------------\r | |
195 | // Select, Authenticaate, Read an MIFARE tag. \r | |
196 | // read block\r | |
197 | //-----------------------------------------------------------------------------\r | |
198 | void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r | |
199 | {\r | |
200 | // params\r | |
201 | uint8_t blockNo = arg0;\r | |
202 | uint8_t keyType = arg1;\r | |
203 | uint64_t ui64Key = 0;\r | |
204 | byte_t blockdata[16];\r | |
205 | \r | |
206 | ui64Key = bytes_to_num(datain, 6);\r | |
207 | memcpy(blockdata, datain + 10, 16);\r | |
208 | \r | |
209 | // variables\r | |
210 | byte_t isOK = 0;\r | |
211 | uint8_t uid[10];\r | |
212 | uint32_t cuid;\r | |
213 | struct Crypto1State mpcs = {0, 0};\r | |
214 | struct Crypto1State *pcs;\r | |
215 | pcs = &mpcs;\r | |
216 | \r | |
217 | // clear trace\r | |
218 | iso14a_clear_trace();\r | |
219 | // iso14a_set_tracing(false);\r | |
220 | \r | |
221 | iso14443a_setup();\r | |
222 | \r | |
223 | LED_A_ON();\r | |
224 | LED_B_OFF();\r | |
225 | LED_C_OFF();\r | |
226 | \r | |
227 | while (true) {\r | |
228 | if(!iso14443a_select_card(uid, NULL, &cuid)) {\r | |
229 | if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r | |
230 | break;\r | |
231 | };\r | |
232 | \r | |
233 | if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r | |
234 | if (MF_DBGLEVEL >= 1) Dbprintf("Auth error");\r | |
235 | break;\r | |
236 | };\r | |
237 | \r | |
238 | if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) {\r | |
239 | if (MF_DBGLEVEL >= 1) Dbprintf("Write block error");\r | |
240 | break;\r | |
241 | };\r | |
242 | \r | |
243 | if(mifare_classic_halt(pcs, cuid)) {\r | |
244 | if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r | |
245 | break;\r | |
246 | };\r | |
247 | \r | |
248 | isOK = 1;\r | |
249 | break;\r | |
250 | }\r | |
251 | \r | |
252 | // ----------------------------- crypto1 destroy\r | |
253 | crypto1_destroy(pcs);\r | |
254 | \r | |
255 | if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED");\r | |
256 | \r | |
257 | // add trace trailer\r | |
258 | memset(uid, 0x44, 4);\r | |
259 | LogTrace(uid, 4, 0, 0, TRUE);\r | |
260 | \r | |
261 | // UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};\r | |
262 | \r | |
263 | LED_B_ON();\r | |
264 | cmd_send(CMD_ACK,isOK,0,0,0,0);\r | |
265 | // UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));\r | |
266 | LED_B_OFF();\r | |
267 | \r | |
268 | \r | |
269 | // Thats it...\r | |
270 | FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r | |
271 | LEDsoff();\r | |
272 | // iso14a_set_tracing(TRUE);\r | |
273 | \r | |
274 | }\r | |
275 | \r | |
276 | // Return 1 if the nonce is invalid else return 0\r | |
277 | int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, byte_t * parity) {\r | |
278 | return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \\r | |
279 | (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \\r | |
280 | (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0;\r | |
281 | }\r | |
282 | \r | |
283 | \r | |
284 | \r | |
285 | //-----------------------------------------------------------------------------\r | |
286 | // MIFARE nested authentication. \r | |
287 | // \r | |
288 | //-----------------------------------------------------------------------------\r | |
289 | void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain)\r | |
290 | {\r | |
291 | // params\r | |
292 | uint8_t blockNo = arg0 & 0xff;\r | |
293 | uint8_t keyType = (arg0 >> 8) & 0xff;\r | |
294 | uint8_t targetBlockNo = arg1 & 0xff;\r | |
295 | uint8_t targetKeyType = (arg1 >> 8) & 0xff;\r | |
296 | uint64_t ui64Key = 0;\r | |
297 | \r | |
298 | ui64Key = bytes_to_num(datain, 6);\r | |
299 | \r | |
300 | // variables\r | |
301 | uint16_t rtr, i, j, len;\r | |
302 | uint16_t davg;\r | |
303 | static uint16_t dmin, dmax;\r | |
304 | uint8_t uid[10];\r | |
305 | uint32_t cuid, nt1, nt2, nttmp, nttest, par, ks1;\r | |
306 | uint32_t target_nt[2], target_ks[2];\r | |
307 | \r | |
308 | uint8_t par_array[4];\r | |
309 | uint16_t ncount = 0;\r | |
310 | struct Crypto1State mpcs = {0, 0};\r | |
311 | struct Crypto1State *pcs;\r | |
312 | pcs = &mpcs;\r | |
313 | uint8_t* receivedAnswer = mifare_get_bigbufptr();\r | |
314 | \r | |
315 | uint32_t auth1_time, auth2_time;\r | |
316 | static uint16_t delta_time;\r | |
317 | \r | |
318 | StartCountMifare();\r | |
319 | \r | |
320 | // clear trace\r | |
321 | iso14a_clear_trace();\r | |
322 | iso14a_set_tracing(false);\r | |
323 | \r | |
324 | iso14443a_setup();\r | |
325 | \r | |
326 | LED_A_ON();\r | |
327 | LED_C_OFF();\r | |
328 | \r | |
329 | \r | |
330 | while((GetCountMifare() & 0xffff0000) != 0x00010000); // wait for counter to reset and "warm up" \r | |
331 | \r | |
332 | // statistics on nonce distance\r | |
333 | if (calibrate) { // for first call only. Otherwise reuse previous calibration\r | |
334 | LED_B_ON();\r | |
335 | \r | |
336 | davg = dmax = 0;\r | |
337 | dmin = 2000;\r | |
338 | delta_time = 0;\r | |
339 | \r | |
340 | for (rtr = 0; rtr < 17; rtr++) {\r | |
341 | \r | |
342 | // prepare next select. No need to power down the card.\r | |
343 | if(mifare_classic_halt(pcs, cuid)) {\r | |
344 | if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r | |
345 | rtr--;\r | |
346 | continue;\r | |
347 | }\r | |
348 | \r | |
349 | if(!iso14443a_select_card(uid, NULL, &cuid)) {\r | |
350 | if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r | |
351 | rtr--;\r | |
352 | continue;\r | |
353 | };\r | |
354 | \r | |
355 | auth1_time = 0;\r | |
356 | if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r | |
357 | if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r | |
358 | rtr--;\r | |
359 | continue;\r | |
360 | };\r | |
361 | \r | |
362 | if (delta_time) {\r | |
363 | auth2_time = auth1_time + delta_time;\r | |
364 | } else {\r | |
365 | auth2_time = 0;\r | |
366 | }\r | |
367 | if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) {\r | |
368 | if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error");\r | |
369 | rtr--;\r | |
370 | continue;\r | |
371 | };\r | |
372 | \r | |
373 | nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160\r | |
374 | for (i = 101; i < 1200; i++) {\r | |
375 | nttmp = prng_successor(nttmp, 1);\r | |
376 | if (nttmp == nt2) break;\r | |
377 | }\r | |
378 | \r | |
379 | if (i != 1200) {\r | |
380 | if (rtr != 0) {\r | |
381 | davg += i;\r | |
382 | dmin = MIN(dmin, i);\r | |
383 | dmax = MAX(dmax, i);\r | |
384 | }\r | |
385 | else {\r | |
386 | delta_time = auth2_time - auth1_time + 32; // allow some slack for proper timing\r | |
387 | }\r | |
388 | if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i);\r | |
389 | }\r | |
390 | }\r | |
391 | \r | |
392 | if (rtr <= 1) return;\r | |
393 | \r | |
394 | davg = (davg + (rtr - 1)/2) / (rtr - 1);\r | |
395 | \r | |
396 | if (MF_DBGLEVEL >= 3) Dbprintf("min=%d max=%d avg=%d, delta_time=%d", dmin, dmax, davg, delta_time);\r | |
397 | \r | |
398 | dmin = davg - 2;\r | |
399 | dmax = davg + 2;\r | |
400 | \r | |
401 | LED_B_OFF();\r | |
402 | \r | |
403 | }\r | |
404 | // ------------------------------------------------------------------------------------------------- \r | |
405 | \r | |
406 | LED_C_ON();\r | |
407 | \r | |
408 | // get crypted nonces for target sector\r | |
409 | for(i=0; i < 2; i++) { // look for exactly two different nonces\r | |
410 | \r | |
411 | target_nt[i] = 0;\r | |
412 | while(target_nt[i] == 0) { // continue until we have an unambiguous nonce\r | |
413 | \r | |
414 | // prepare next select. No need to power down the card.\r | |
415 | if(mifare_classic_halt(pcs, cuid)) {\r | |
416 | if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error");\r | |
417 | continue;\r | |
418 | }\r | |
419 | \r | |
420 | if(!iso14443a_select_card(uid, NULL, &cuid)) {\r | |
421 | if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card");\r | |
422 | continue;\r | |
423 | };\r | |
424 | \r | |
425 | auth1_time = 0;\r | |
426 | if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) {\r | |
427 | if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error");\r | |
428 | continue;\r | |
429 | };\r | |
430 | \r | |
431 | // nested authentication\r | |
432 | auth2_time = auth1_time + delta_time;\r | |
433 | len = mifare_sendcmd_shortex(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, &par, &auth2_time);\r | |
434 | if (len != 4) {\r | |
435 | if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len);\r | |
436 | continue;\r | |
437 | };\r | |
438 | \r | |
439 | nt2 = bytes_to_num(receivedAnswer, 4); \r | |
440 | if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par);\r | |
441 | \r | |
442 | // Parity validity check\r | |
443 | for (j = 0; j < 4; j++) {\r | |
444 | par_array[j] = (oddparity(receivedAnswer[j]) != ((par & 0x08) >> 3));\r | |
445 | par = par << 1;\r | |
446 | }\r | |
447 | \r | |
448 | ncount = 0;\r | |
449 | nttest = prng_successor(nt1, dmin - 1);\r | |
450 | for (j = dmin; j < dmax + 1; j++) {\r | |
451 | nttest = prng_successor(nttest, 1);\r | |
452 | ks1 = nt2 ^ nttest;\r | |
453 | \r | |
454 | if (valid_nonce(nttest, nt2, ks1, par_array)){\r | |
455 | if (ncount > 0) { // we are only interested in disambiguous nonces, try again\r | |
456 | if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j);\r | |
457 | target_nt[i] = 0;\r | |
458 | break;\r | |
459 | }\r | |
460 | target_nt[i] = nttest;\r | |
461 | target_ks[i] = ks1;\r | |
462 | ncount++;\r | |
463 | if (i == 1 && target_nt[1] == target_nt[0]) { // we need two different nonces\r | |
464 | target_nt[i] = 0;\r | |
465 | if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#2: dismissed (= nonce#1), ntdist=%d", j);\r | |
466 | break;\r | |
467 | }\r | |
468 | if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: valid, ntdist=%d", i+1, j);\r | |
469 | }\r | |
470 | }\r | |
471 | if (target_nt[i] == 0 && j == dmax+1 && MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (all invalid)", i+1);\r | |
472 | }\r | |
473 | }\r | |
474 | \r | |
475 | LED_C_OFF();\r | |
476 | \r | |
477 | // ----------------------------- crypto1 destroy\r | |
478 | crypto1_destroy(pcs);\r | |
479 | \r | |
480 | // add trace trailer\r | |
481 | memset(uid, 0x44, 4);\r | |
482 | LogTrace(uid, 4, 0, 0, TRUE);\r | |
483 | \r | |
484 | byte_t buf[4 + 4 * 4];\r | |
485 | memcpy(buf, &cuid, 4);\r | |
486 | memcpy(buf+4, &target_nt[0], 4);\r | |
487 | memcpy(buf+8, &target_ks[0], 4);\r | |
488 | memcpy(buf+12, &target_nt[1], 4);\r | |
489 | memcpy(buf+16, &target_ks[1], 4);\r | |
490 | \r | |
491 | LED_B_ON();\r | |
492 | cmd_send(CMD_ACK, 0, 2, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf));\r | |
493 | LED_B_OFF();\r | |
494 | \r | |
495 | if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED");\r | |
496 | \r | |
497 | FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r | |
498 | LEDsoff();\r | |
499 | iso14a_set_tracing(TRUE);\r | |
500 | }\r | |
501 | \r | |
502 | //-----------------------------------------------------------------------------\r | |
503 | // MIFARE check keys. key count up to 85. \r | |
504 | // \r | |
505 | //-----------------------------------------------------------------------------\r | |
506 | void MifareChkKeys(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)\r | |
507 | {\r | |
508 | // params\r | |
509 | uint8_t blockNo = arg0;\r | |
510 | uint8_t keyType = arg1;\r | |
511 | uint8_t keyCount = arg2;\r | |
512 | uint64_t ui64Key = 0;\r | |
513 | \r | |
514 | // variables\r | |
515 | int i;\r | |
516 | byte_t isOK = 0;\r | |
517 | uint8_t uid[10];\r | |
518 | uint32_t cuid;\r | |
519 | struct Crypto1State mpcs = {0, 0};\r | |
520 | struct Crypto1State *pcs;\r | |
521 | pcs = &mpcs;\r | |
522 | \r | |
523 | // clear debug level\r | |
524 | int OLD_MF_DBGLEVEL = MF_DBGLEVEL; \r | |
525 | MF_DBGLEVEL = MF_DBG_NONE;\r | |
526 | \r | |
527 | // clear trace\r | |
528 | iso14a_clear_trace();\r | |
529 | iso14a_set_tracing(TRUE);\r | |
530 | \r | |
531 | iso14443a_setup();\r | |
532 | \r | |
533 | LED_A_ON();\r | |
534 | LED_B_OFF();\r | |
535 | LED_C_OFF();\r | |
536 | \r | |
537 | // SpinDelay(300);\r | |
538 | for (i = 0; i < keyCount; i++) {\r | |
539 | // FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r | |
540 | // SpinDelay(100);\r | |
541 | // FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);\r | |
542 | // prepare next select by sending a HALT. There is no need to power down the card.\r | |
543 | if(mifare_classic_halt(pcs, cuid)) {\r | |
544 | if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Halt error");\r | |
545 | }\r | |
546 | \r | |
547 | // SpinDelay(50);\r | |
548 | \r | |
549 | if(!iso14443a_select_card(uid, NULL, &cuid)) {\r | |
550 | if (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card");\r | |
551 | break;\r | |
552 | };\r | |
553 | \r | |
554 | ui64Key = bytes_to_num(datain + i * 6, 6);\r | |
555 | if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r | |
556 | continue;\r | |
557 | };\r | |
558 | \r | |
559 | isOK = 1;\r | |
560 | break;\r | |
561 | }\r | |
562 | \r | |
563 | // ----------------------------- crypto1 destroy\r | |
564 | crypto1_destroy(pcs);\r | |
565 | \r | |
566 | // add trace trailer\r | |
567 | memset(uid, 0x44, 4);\r | |
568 | LogTrace(uid, 4, 0, 0, TRUE);\r | |
569 | \r | |
570 | LED_B_ON();\r | |
571 | cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6);\r | |
572 | LED_B_OFF();\r | |
573 | \r | |
574 | // Thats it...\r | |
575 | FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r | |
576 | LEDsoff();\r | |
577 | \r | |
578 | // restore debug level\r | |
579 | MF_DBGLEVEL = OLD_MF_DBGLEVEL; \r | |
580 | }\r | |
581 | \r | |
582 | //-----------------------------------------------------------------------------\r | |
583 | // MIFARE commands set debug level\r | |
584 | // \r | |
585 | //-----------------------------------------------------------------------------\r | |
586 | void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r | |
587 | MF_DBGLEVEL = arg0;\r | |
588 | Dbprintf("Debug level: %d", MF_DBGLEVEL);\r | |
589 | }\r | |
590 | \r | |
591 | //-----------------------------------------------------------------------------\r | |
592 | // Work with emulator memory\r | |
593 | // \r | |
594 | //-----------------------------------------------------------------------------\r | |
595 | void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r | |
596 | emlClearMem();\r | |
597 | }\r | |
598 | \r | |
599 | void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r | |
600 | emlSetMem(datain, arg0, arg1); // data, block num, blocks count\r | |
601 | }\r | |
602 | \r | |
603 | void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r | |
604 | // UsbCommand ack = {CMD_ACK, {arg0, arg1, 0}};\r | |
605 | \r | |
606 | byte_t buf[48];\r | |
607 | emlGetMem(buf, arg0, arg1); // data, block num, blocks count\r | |
608 | \r | |
609 | LED_B_ON();\r | |
610 | cmd_send(CMD_ACK,arg0,arg1,0,buf,48);\r | |
611 | // UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));\r | |
612 | LED_B_OFF();\r | |
613 | }\r | |
614 | \r | |
615 | //-----------------------------------------------------------------------------\r | |
616 | // Load a card into the emulator memory\r | |
617 | // \r | |
618 | //-----------------------------------------------------------------------------\r | |
619 | void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r | |
620 | int i;\r | |
621 | uint8_t sectorNo = 0;\r | |
622 | uint8_t keyType = arg1;\r | |
623 | uint64_t ui64Key = 0;\r | |
624 | uint32_t cuid;\r | |
625 | struct Crypto1State mpcs = {0, 0};\r | |
626 | struct Crypto1State *pcs;\r | |
627 | pcs = &mpcs;\r | |
628 | \r | |
629 | // variables\r | |
630 | byte_t dataoutbuf[16];\r | |
631 | byte_t dataoutbuf2[16];\r | |
632 | uint8_t uid[10];\r | |
633 | \r | |
634 | // clear trace\r | |
635 | iso14a_clear_trace();\r | |
636 | iso14a_set_tracing(false);\r | |
637 | \r | |
638 | iso14443a_setup();\r | |
639 | \r | |
640 | LED_A_ON();\r | |
641 | LED_B_OFF();\r | |
642 | LED_C_OFF();\r | |
643 | \r | |
644 | while (true) {\r | |
645 | if(!iso14443a_select_card(uid, NULL, &cuid)) {\r | |
646 | if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r | |
647 | break;\r | |
648 | };\r | |
649 | \r | |
650 | for (i = 0; i < 16; i++) {\r | |
651 | sectorNo = i;\r | |
652 | ui64Key = emlGetKey(sectorNo, keyType);\r | |
653 | \r | |
654 | if (!i){\r | |
655 | if(mifare_classic_auth(pcs, cuid, sectorNo * 4, keyType, ui64Key, AUTH_FIRST)) {\r | |
656 | if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%d]. Auth error", i);\r | |
657 | break;\r | |
658 | }\r | |
659 | } else {\r | |
660 | if(mifare_classic_auth(pcs, cuid, sectorNo * 4, keyType, ui64Key, AUTH_NESTED)) {\r | |
661 | if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%d]. Auth nested error", i);\r | |
662 | break;\r | |
663 | }\r | |
664 | }\r | |
665 | \r | |
666 | if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 0, dataoutbuf)) {\r | |
667 | if (MF_DBGLEVEL >= 1) Dbprintf("Read block 0 error");\r | |
668 | break;\r | |
669 | };\r | |
670 | emlSetMem(dataoutbuf, sectorNo * 4 + 0, 1);\r | |
671 | \r | |
672 | if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 1, dataoutbuf)) {\r | |
673 | if (MF_DBGLEVEL >= 1) Dbprintf("Read block 1 error");\r | |
674 | break;\r | |
675 | };\r | |
676 | emlSetMem(dataoutbuf, sectorNo * 4 + 1, 1);\r | |
677 | \r | |
678 | if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 2, dataoutbuf)) {\r | |
679 | if (MF_DBGLEVEL >= 1) Dbprintf("Read block 2 error");\r | |
680 | break;\r | |
681 | };\r | |
682 | emlSetMem(dataoutbuf, sectorNo * 4 + 2, 1);\r | |
683 | \r | |
684 | // get block 3 bytes 6-9\r | |
685 | if(mifare_classic_readblock(pcs, cuid, sectorNo * 4 + 3, dataoutbuf)) {\r | |
686 | if (MF_DBGLEVEL >= 1) Dbprintf("Read block 3 error");\r | |
687 | break;\r | |
688 | };\r | |
689 | emlGetMem(dataoutbuf2, sectorNo * 4 + 3, 1);\r | |
690 | memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4);\r | |
691 | emlSetMem(dataoutbuf2, sectorNo * 4 + 3, 1);\r | |
692 | }\r | |
693 | \r | |
694 | if(mifare_classic_halt(pcs, cuid)) {\r | |
695 | if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r | |
696 | break;\r | |
697 | };\r | |
698 | \r | |
699 | break;\r | |
700 | } \r | |
701 | \r | |
702 | // ----------------------------- crypto1 destroy\r | |
703 | crypto1_destroy(pcs);\r | |
704 | \r | |
705 | FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r | |
706 | LEDsoff();\r | |
707 | \r | |
708 | if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED");\r | |
709 | \r | |
710 | // add trace trailer\r | |
711 | memset(uid, 0x44, 4);\r | |
712 | LogTrace(uid, 4, 0, 0, TRUE);\r | |
713 | }\r | |
714 | \r | |
715 | //-----------------------------------------------------------------------------\r | |
716 | // MIFARE 1k emulator\r | |
717 | // \r | |
718 | //-----------------------------------------------------------------------------\r | |
719 | \r | |
720 | \r | |
721 | //-----------------------------------------------------------------------------\r | |
722 | // Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn)\r | |
723 | // \r | |
724 | //-----------------------------------------------------------------------------\r | |
725 | void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r | |
726 | \r | |
727 | // params\r | |
728 | uint8_t needWipe = arg0;\r | |
729 | // bit 0 - need get UID\r | |
730 | // bit 1 - need wupC\r | |
731 | // bit 2 - need HALT after sequence\r | |
732 | // bit 3 - need init FPGA and field before sequence\r | |
733 | // bit 4 - need reset FPGA and LED\r | |
734 | uint8_t workFlags = arg1;\r | |
735 | uint8_t blockNo = arg2;\r | |
736 | \r | |
737 | // card commands\r | |
738 | uint8_t wupC1[] = { 0x40 }; \r | |
739 | uint8_t wupC2[] = { 0x43 }; \r | |
740 | uint8_t wipeC[] = { 0x41 }; \r | |
741 | \r | |
742 | // variables\r | |
743 | byte_t isOK = 0;\r | |
744 | uint8_t uid[10];\r | |
745 | uint8_t d_block[18];\r | |
746 | uint32_t cuid;\r | |
747 | \r | |
748 | memset(uid, 0x00, 10);\r | |
749 | uint8_t* receivedAnswer = mifare_get_bigbufptr();\r | |
750 | \r | |
751 | if (workFlags & 0x08) {\r | |
752 | // clear trace\r | |
753 | iso14a_clear_trace();\r | |
754 | iso14a_set_tracing(TRUE);\r | |
755 | \r | |
756 | iso14443a_setup();\r | |
757 | \r | |
758 | LED_A_ON();\r | |
759 | LED_B_OFF();\r | |
760 | LED_C_OFF();\r | |
761 | \r | |
762 | SpinDelay(300);\r | |
763 | FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r | |
764 | SpinDelay(100);\r | |
765 | FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);\r | |
766 | }\r | |
767 | \r | |
768 | while (true) {\r | |
769 | // get UID from chip\r | |
770 | if (workFlags & 0x01) {\r | |
771 | if(!iso14443a_select_card(uid, NULL, &cuid)) {\r | |
772 | if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card");\r | |
773 | break;\r | |
774 | };\r | |
775 | \r | |
776 | if(mifare_classic_halt(NULL, cuid)) {\r | |
777 | if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r | |
778 | break;\r | |
779 | };\r | |
780 | };\r | |
781 | \r | |
782 | // reset chip\r | |
783 | if (needWipe){\r | |
784 | ReaderTransmitBitsPar(wupC1,7,0, NULL);\r | |
785 | if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {\r | |
786 | if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r | |
787 | break;\r | |
788 | };\r | |
789 | \r | |
790 | ReaderTransmit(wipeC, sizeof(wipeC), NULL);\r | |
791 | if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {\r | |
792 | if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error");\r | |
793 | break;\r | |
794 | };\r | |
795 | \r | |
796 | if(mifare_classic_halt(NULL, cuid)) {\r | |
797 | if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r | |
798 | break;\r | |
799 | };\r | |
800 | }; \r | |
801 | \r | |
802 | // write block\r | |
803 | if (workFlags & 0x02) {\r | |
804 | ReaderTransmitBitsPar(wupC1,7,0, NULL);\r | |
805 | if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {\r | |
806 | if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r | |
807 | break;\r | |
808 | };\r | |
809 | \r | |
810 | ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r | |
811 | if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {\r | |
812 | if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r | |
813 | break;\r | |
814 | };\r | |
815 | }\r | |
816 | \r | |
817 | if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, NULL) != 1) || (receivedAnswer[0] != 0x0a)) {\r | |
818 | if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error");\r | |
819 | break;\r | |
820 | };\r | |
821 | \r | |
822 | memcpy(d_block, datain, 16);\r | |
823 | AppendCrc14443a(d_block, 16);\r | |
824 | \r | |
825 | ReaderTransmit(d_block, sizeof(d_block), NULL);\r | |
826 | if ((ReaderReceive(receivedAnswer) != 1) || (receivedAnswer[0] != 0x0a)) {\r | |
827 | if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error");\r | |
828 | break;\r | |
829 | }; \r | |
830 | \r | |
831 | if (workFlags & 0x04) {\r | |
832 | if (mifare_classic_halt(NULL, cuid)) {\r | |
833 | if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r | |
834 | break;\r | |
835 | };\r | |
836 | }\r | |
837 | \r | |
838 | isOK = 1;\r | |
839 | break;\r | |
840 | }\r | |
841 | \r | |
842 | // UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};\r | |
843 | // if (isOK) memcpy(ack.d.asBytes, uid, 4);\r | |
844 | \r | |
845 | // add trace trailer\r | |
846 | /**\r | |
847 | * Removed by Martin, the uid is overwritten with 0x44, \r | |
848 | * which can 't be intended. \r | |
849 | *\r | |
850 | * memset(uid, 0x44, 4);\r | |
851 | * LogTrace(uid, 4, 0, 0, TRUE);\r | |
852 | **/\r | |
853 | \r | |
854 | \r | |
855 | LED_B_ON();\r | |
856 | cmd_send(CMD_ACK,isOK,0,0,uid,4);\r | |
857 | // UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));\r | |
858 | LED_B_OFF();\r | |
859 | \r | |
860 | if ((workFlags & 0x10) || (!isOK)) {\r | |
861 | // Thats it...\r | |
862 | FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r | |
863 | LEDsoff();\r | |
864 | }\r | |
865 | }\r | |
866 | \r | |
867 | void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){\r | |
868 | \r | |
869 | // params\r | |
870 | // bit 1 - need wupC\r | |
871 | // bit 2 - need HALT after sequence\r | |
872 | // bit 3 - need init FPGA and field before sequence\r | |
873 | // bit 4 - need reset FPGA and LED\r | |
874 | uint8_t workFlags = arg0;\r | |
875 | uint8_t blockNo = arg2;\r | |
876 | \r | |
877 | // card commands\r | |
878 | uint8_t wupC1[] = { 0x40 }; \r | |
879 | uint8_t wupC2[] = { 0x43 }; \r | |
880 | \r | |
881 | // variables\r | |
882 | byte_t isOK = 0;\r | |
883 | uint8_t data[18];\r | |
884 | uint32_t cuid = 0;\r | |
885 | \r | |
886 | memset(data, 0x00, 18);\r | |
887 | uint8_t* receivedAnswer = mifare_get_bigbufptr();\r | |
888 | \r | |
889 | if (workFlags & 0x08) {\r | |
890 | // clear trace\r | |
891 | iso14a_clear_trace();\r | |
892 | iso14a_set_tracing(TRUE);\r | |
893 | \r | |
894 | iso14443a_setup();\r | |
895 | \r | |
896 | LED_A_ON();\r | |
897 | LED_B_OFF();\r | |
898 | LED_C_OFF();\r | |
899 | \r | |
900 | SpinDelay(300);\r | |
901 | FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r | |
902 | SpinDelay(100);\r | |
903 | FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_ISO14443A | FPGA_HF_ISO14443A_READER_MOD);\r | |
904 | }\r | |
905 | \r | |
906 | while (true) {\r | |
907 | if (workFlags & 0x02) {\r | |
908 | ReaderTransmitBitsPar(wupC1,7,0, NULL);\r | |
909 | if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {\r | |
910 | if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error");\r | |
911 | break;\r | |
912 | };\r | |
913 | \r | |
914 | ReaderTransmit(wupC2, sizeof(wupC2), NULL);\r | |
915 | if(!ReaderReceive(receivedAnswer) || (receivedAnswer[0] != 0x0a)) {\r | |
916 | if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error");\r | |
917 | break;\r | |
918 | };\r | |
919 | }\r | |
920 | \r | |
921 | // read block\r | |
922 | if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, NULL) != 18)) {\r | |
923 | if (MF_DBGLEVEL >= 1) Dbprintf("read block send command error");\r | |
924 | break;\r | |
925 | };\r | |
926 | memcpy(data, receivedAnswer, 18);\r | |
927 | \r | |
928 | if (workFlags & 0x04) {\r | |
929 | if (mifare_classic_halt(NULL, cuid)) {\r | |
930 | if (MF_DBGLEVEL >= 1) Dbprintf("Halt error");\r | |
931 | break;\r | |
932 | };\r | |
933 | }\r | |
934 | \r | |
935 | isOK = 1;\r | |
936 | break;\r | |
937 | }\r | |
938 | \r | |
939 | // UsbCommand ack = {CMD_ACK, {isOK, 0, 0}};\r | |
940 | // if (isOK) memcpy(ack.d.asBytes, data, 18);\r | |
941 | \r | |
942 | // add trace trailer\r | |
943 | /*\r | |
944 | * Removed by Martin, this piece of overwrites the 'data' variable \r | |
945 | * which is sent two lines down, and is obviously not correct. \r | |
946 | * \r | |
947 | * memset(data, 0x44, 4);\r | |
948 | * LogTrace(data, 4, 0, 0, TRUE);\r | |
949 | */\r | |
950 | LED_B_ON();\r | |
951 | cmd_send(CMD_ACK,isOK,0,0,data,18);\r | |
952 | // UsbSendPacket((uint8_t *)&ack, sizeof(UsbCommand));\r | |
953 | LED_B_OFF();\r | |
954 | \r | |
955 | if ((workFlags & 0x10) || (!isOK)) {\r | |
956 | // Thats it...\r | |
957 | FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);\r | |
958 | LEDsoff();\r | |
959 | }\r | |
960 | }\r | |
961 | \r |