]> git.zerfleddert.de Git - proxmark3-svn/blame - armsrc/mifareutil.c
ADD: started with adding a LF AWID26 write function. not done yet.
[proxmark3-svn] / armsrc / mifareutil.c
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20f9a2a1 1//-----------------------------------------------------------------------------\r
b62a5a84 2// Merlok, May 2011, 2012\r
8f51ddb0 3// Many authors, whom made it possible\r
20f9a2a1
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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
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10//-----------------------------------------------------------------------------\r
11\r
f38a1528 12#include "../include/proxmark3.h"\r
20f9a2a1
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13#include "apps.h"\r
14#include "util.h"\r
15#include "string.h"\r
16\r
f38a1528 17#include "../common/iso14443crc.h"\r
20f9a2a1
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18#include "iso14443a.h"\r
19#include "crapto1.h"\r
20#include "mifareutil.h"\r
21\r
f397b5cc
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22int MF_DBGLEVEL = MF_DBG_ALL;\r
23\r
8f51ddb0 24// memory management\r
a501c82b 25uint8_t* get_bigbufptr_recvrespbuf(void) {\r
26 return (((uint8_t *)BigBuf) + RECV_RESP_OFFSET);\r
8f51ddb0 27}\r
a501c82b 28uint8_t* get_bigbufptr_recvcmdbuf(void) {\r
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29 return (((uint8_t *)BigBuf) + RECV_CMD_OFFSET); \r
30}\r
a501c82b 31uint8_t* get_bigbufptr_emlcardmem(void) {\r
32 return (((uint8_t *)BigBuf) + CARD_MEMORY_OFFSET);\r
8f51ddb0
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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
a501c82b 53void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, uint8_t *par) {\r
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54 uint8_t bt = 0;\r
55 int i;\r
a501c82b 56 par[0] = 0;\r
57 \r
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58 for (i = 0; i < len; i++) {\r
59 bt = data[i];\r
60 data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
a501c82b 61 if((i&0x0007) == 0) \r
62 par[i>>3] = 0;\r
63 par[i>>3] |= (((filter(pcs->odd) ^ oddparity(bt)) & 0x01)<<(7-(i&0x0007)));\r
8f51ddb0
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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
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76}\r
77\r
8f51ddb0 78// send commands\r
a501c82b 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
a501c82b 81 return mifare_sendcmd_shortex(pcs, crypted, cmd, data, answer, answer_parity, timing);
981bd429 82}
83
a501c82b 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{
a501c82b 86 uint8_t dcmd[8];
87 dcmd[0] = cmd;
f5ed4d12 88 dcmd[1] = data[0];\r
89 dcmd[2] = data[1];
90 dcmd[3] = data[2];\r
91 dcmd[4] = data[3];\r
92 dcmd[5] = data[4];\r
981bd429 93 AppendCrc14443a(dcmd, 6);
981bd429 94 ReaderTransmit(dcmd, sizeof(dcmd), NULL);
a501c82b 95 int len = ReaderReceive(answer, answer_parity);
f38a1528 96 if(!len) {
981bd429 97 if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");
98 return 2;
f38a1528 99 }\r
100 return len;\r
101}\r
102\r
a501c82b 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
f38a1528 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
a501c82b 112 len = ReaderReceive(answer, answer_parity);\r
f38a1528 113 if(!len) {\r
114 if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");\r
a501c82b 115 len = ReaderReceive(answer,answer_parity);\r
f38a1528 116 }\r
117 if(len==1) {\r
118 if (MF_DBGLEVEL >= 1) Dbprintf("NAK - Authentication failed.");\r
119 return 1;\r
981bd429 120 }
121 return len;
122}
123
a501c82b 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];
a501c82b 127 uint16_t pos, res;\r
128 uint8_t par[1]; // 1 Byte parity is enough here\r
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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
a501c82b 136 par[0] = 0;\r
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137 for (pos = 0; pos < 4; pos++)\r
138 {\r
139 ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r
a501c82b 140 par[0] |= (((filter(pcs->odd) ^ oddparity(dcmd[pos])) & 0x01) << (7-pos));\r
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141 } \r
142\r
9492e0b0 143 ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r
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144\r
145 } else {\r
9492e0b0 146 ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
20f9a2a1
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147 }\r
148\r
a501c82b 149 int len = ReaderReceive(answer, par);\r
f89c7050 150 \r
a501c82b 151 if (answer_parity) *answer_parity = par[0];\r
20f9a2a1 152\r
4abe4f58 153 if (crypted == CRYPT_ALL) {\r
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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
8f51ddb0 172// mifare commands\r
a501c82b 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
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176}\r
177\r
a501c82b 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
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179{\r
180 // variables\r
4abe4f58 181 int len; \r
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182 uint32_t pos;\r
183 uint8_t tmp4[4];\r
a501c82b 184 uint8_t par[1] = {0x00};\r
185 byte_t nr[4];\r
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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
a501c82b 189 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
190 uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
20f9a2a1 191\r
4abe4f58 192 // Transmit MIFARE_CLASSIC_AUTH\r
a501c82b 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
a501c82b 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
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202 \r
203 // Save the tag nonce (nt)\r
204 nt = bytes_to_num(receivedAnswer, 4);\r
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205\r
206 // ----------------------------- crypto1 create\r
4abe4f58
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207 if (isNested)\r
208 crypto1_destroy(pcs);\r
209\r
210 // Init cipher with key\r
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211 crypto1_create(pcs, ui64Key);\r
212\r
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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
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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
a501c82b 230 par[0] = 0;\r
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231 for (pos = 0; pos < 4; pos++)\r
232 {\r
a501c82b 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
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237 // Skip 32 bits in pseudo random generator\r
238 nt = prng_successor(nt,32);\r
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239\r
240 // ar+parity\r
4abe4f58
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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
a501c82b 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
a501c82b 251 // Receive 4 byte tag answer\r
252 len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r
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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
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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
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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
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274 uint8_t bt[2];\r
275 \r
a501c82b 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
a501c82b 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
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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
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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
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294 return 3;\r
295 }\r
296 \r
297 memcpy(blockData, receivedAnswer, 16);\r
981bd429 298 return 0;
f38a1528 299}\r
300\r
301int mifare_ultra_auth1(uint32_t uid, uint8_t *blockData){\r
302 // variables\r
a501c82b 303 uint16_t len;\r
f38a1528 304 \r
a501c82b 305 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
306 uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
f38a1528 307 \r
308 // command MIFARE_CLASSIC_READBLOCK\r
a501c82b 309 len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, receivedAnswer,receivedAnswerPar ,NULL);\r
f38a1528 310 if (len == 1) {\r
311 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
312 return 1;\r
313 }\r
314 if (len == 11) {\r
315 if (MF_DBGLEVEL >= 1) Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
316 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
317 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
318 receivedAnswer[10]);\r
319 memcpy(blockData, receivedAnswer, 11);\r
a501c82b 320 return 0;\r
f38a1528 321 }\r
322 //else something went wrong???\r
323 return 1;\r
324}\r
325\r
326int mifare_ultra_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){\r
327 // variables\r
a501c82b 328 uint16_t len;\r
f38a1528 329 \r
a501c82b 330 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
331 uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
f38a1528 332 \r
333 // command MIFARE_CLASSIC_READBLOCK\r
a501c82b 334 len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, key, receivedAnswer, receivedAnswerPar, NULL);\r
f38a1528 335 if (len == 1) {\r
336 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
337 return 1;\r
338 }\r
339 if (len == 11){\r
340 if (MF_DBGLEVEL >= 1) Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
341 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
342 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
343 receivedAnswer[10]);\r
344 memcpy(blockData, receivedAnswer, 11);\r
345 return 0;\r
346 }\r
347 //something went wrong?\r
348 return 1;\r
981bd429 349}
350
351int mifare_ultra_readblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
352{
353 // variables
a501c82b 354 uint16_t len;
981bd429 355 uint8_t bt[2];
356
a501c82b 357 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();
358 uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
359 \r
981bd429 360
361 // command MIFARE_CLASSIC_READBLOCK
a501c82b 362 len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);
981bd429 363 if (len == 1) {
364 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
365 return 1;
366 }
367 if (len != 18) {
368 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: card timeout. len: %x", len);
369 return 2;
370 }
371
372 memcpy(bt, receivedAnswer + 16, 2);
373 AppendCrc14443a(receivedAnswer, 16);
374 if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {
375 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd CRC response error.");
376 return 3;
377 }
378
379 memcpy(blockData, receivedAnswer, 14);
380 return 0;
381}
382
383
384int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData)
385{
386 // variables
a501c82b 387 uint16_t len, i; \r
20f9a2a1 388 uint32_t pos;\r
f5ed4d12 389 uint8_t par[3] = {0}; // enough for 18 Bytes to send\r
4abe4f58 390 byte_t res;\r
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391 \r
392 uint8_t d_block[18], d_block_enc[18];\r
a501c82b 393 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
394 uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
20f9a2a1 395 \r
4abe4f58 396 // command MIFARE_CLASSIC_WRITEBLOCK\r
a501c82b 397 len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
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398\r
399 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
f397b5cc 400 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r
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401 return 1;\r
402 }\r
403 \r
404 memcpy(d_block, blockData, 16);\r
405 AppendCrc14443a(d_block, 16);\r
406 \r
407 // crypto\r
4abe4f58
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408 for (pos = 0; pos < 18; pos++)\r
409 {\r
410 d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r
a501c82b 411 par[pos>>3] |= (((filter(pcs->odd) ^ oddparity(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\r
4abe4f58 412 } \r
20f9a2a1 413\r
9492e0b0 414 ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r
20f9a2a1 415\r
4abe4f58 416 // Receive the response\r
a501c82b 417 len = ReaderReceive(receivedAnswer, receivedAnswerPar); \r
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418\r
419 res = 0;\r
420 for (i = 0; i < 4; i++)\r
421 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], i)) << i;\r
422\r
423 if ((len != 1) || (res != 0x0A)) {\r
f397b5cc 424 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd send data2 Error: %02x", res); \r
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425 return 2;\r
426 }\r
427 \r
981bd429 428 return 0;
429}
430
431int mifare_ultra_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
432{
a501c82b 433 // variables
434 uint16_t len;
435 uint8_t par[3] = {0}; // enough for 18 parity bits
436
437 uint8_t d_block[18];
438 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
439 uint8_t* receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
440
441 // command MIFARE_CLASSIC_WRITEBLOCK
442 len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);
981bd429 443
a501c82b 444 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK
445 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]);
446 return 1;
447 }
981bd429 448
449 memset(d_block,'\0',18);
450 memcpy(d_block, blockData, 16);
a501c82b 451 AppendCrc14443a(d_block, 16);
981bd429 452
453 ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);
a501c82b 454\r
455 // Receive the response
456 len = ReaderReceive(receivedAnswer, receivedAnswerPar);
981bd429 457
458 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK
a501c82b 459 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len);
460 return 2;
461 }
981bd429 462
a501c82b 463 return 0;
981bd429 464}
465
466int mifare_ultra_special_writeblock(uint32_t uid, uint8_t blockNo, uint8_t *blockData)
467{
a501c82b 468 uint16_t len;
469\r
470 uint8_t d_block[8];
471 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
472 uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;
981bd429 473
a501c82b 474 // command MIFARE_CLASSIC_WRITEBLOCK
981bd429 475 memset(d_block,'\0',8);
476 d_block[0]= blockNo;
477 memcpy(d_block+1,blockData,4);
478 AppendCrc14443a(d_block, 6);
479
480 //i know the data send here is correct
a501c82b 481 len = mifare_sendcmd_short_special(NULL, 1, 0xA2, d_block, receivedAnswer, receivedAnswerPar, NULL);
981bd429 482
a501c82b 483 if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK
484 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);
485 return 1;
486 }
487 return 0;
981bd429 488}
489
490int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid)
491{
a501c82b 492 uint16_t len; \r
493 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
494 uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
20f9a2a1 495\r
a501c82b 496 len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
4abe4f58 497 if (len != 0) {\r
f397b5cc 498 if (MF_DBGLEVEL >= 1) Dbprintf("halt error. response len: %x", len); \r
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499 return 1;\r
500 }\r
501\r
981bd429 502 return 0;
503}
504
505int mifare_ultra_halt(uint32_t uid)
506{
a501c82b 507 uint16_t len; \r
508 uint8_t* receivedAnswer = get_bigbufptr_recvrespbuf();\r
509 uint8_t *receivedAnswerPar = receivedAnswer + MAX_FRAME_SIZE;\r
981bd429 510
a501c82b 511 len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);
981bd429 512 if (len != 0) {
513 if (MF_DBGLEVEL >= 1) Dbprintf("halt error. response len: %x", len);
514 return 1;
515 }
516
517 return 0;
518}
519
baeaf579 520\r
521// Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),\r
522// plus evtl. 8 sectors with 16 blocks each (4k cards)\r
523uint8_t NumBlocksPerSector(uint8_t sectorNo) \r
524{\r
525 if (sectorNo < 32) \r
526 return 4;\r
527 else\r
528 return 16;\r
529}\r
530\r
531uint8_t FirstBlockOfSector(uint8_t sectorNo) \r
532{\r
533 if (sectorNo < 32)\r
534 return sectorNo * 4;\r
535 else\r
536 return 32*4 + (sectorNo - 32) * 16;\r
537 \r
538}\r
539\r
540\r
981bd429 541// work with emulator memory
542void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {
a501c82b 543 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
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544 memcpy(emCARD + blockNum * 16, data, blocksCount * 16);\r
545}\r
546\r
547void emlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r
a501c82b 548 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
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549 memcpy(data, emCARD + blockNum * 16, blocksCount * 16);\r
550}\r
551\r
552void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {\r
a501c82b 553 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
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554 memcpy(data, emCARD + bytePtr, byteCount);\r
555}\r
556\r
0014cb46 557int emlCheckValBl(int blockNum) {\r
a501c82b 558 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
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559 uint8_t* data = emCARD + blockNum * 16;\r
560\r
561 if ((data[0] != (data[4] ^ 0xff)) || (data[0] != data[8]) ||\r
562 (data[1] != (data[5] ^ 0xff)) || (data[1] != data[9]) ||\r
563 (data[2] != (data[6] ^ 0xff)) || (data[2] != data[10]) ||\r
564 (data[3] != (data[7] ^ 0xff)) || (data[3] != data[11]) ||\r
565 (data[12] != (data[13] ^ 0xff)) || (data[12] != data[14]) ||\r
566 (data[12] != (data[15] ^ 0xff))\r
567 ) \r
568 return 1;\r
569 return 0;\r
570}\r
571\r
572int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {\r
a501c82b 573 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
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574 uint8_t* data = emCARD + blockNum * 16;\r
575 \r
576 if (emlCheckValBl(blockNum)) {\r
577 return 1;\r
578 }\r
579 \r
580 memcpy(blReg, data, 4);\r
a501c82b 581 *blBlock = data[12]; \r
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582 return 0;\r
583}\r
584\r
585int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {\r
a501c82b 586 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
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587 uint8_t* data = emCARD + blockNum * 16;\r
588 \r
589 memcpy(data + 0, &blReg, 4);\r
590 memcpy(data + 8, &blReg, 4);\r
591 blReg = blReg ^ 0xffffffff;\r
592 memcpy(data + 4, &blReg, 4);\r
593 \r
594 data[12] = blBlock;\r
595 data[13] = blBlock ^ 0xff;\r
596 data[14] = blBlock;\r
597 data[15] = blBlock ^ 0xff;\r
598 \r
599 return 0;\r
600}\r
601\r
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602uint64_t emlGetKey(int sectorNum, int keyType) {\r
603 uint8_t key[6];\r
a501c82b 604 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
8556b852 605 \r
baeaf579 606 memcpy(key, emCARD + 16 * (FirstBlockOfSector(sectorNum) + NumBlocksPerSector(sectorNum) - 1) + keyType * 10, 6);\r
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607 return bytes_to_num(key, 6);\r
608}\r
609\r
8f51ddb0 610void emlClearMem(void) {\r
aea4d766 611 int b;\r
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612 \r
613 const uint8_t trailer[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x80, 0x69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r
8f51ddb0 614 const uint8_t uid[] = {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};\r
a501c82b 615 uint8_t* emCARD = get_bigbufptr_emlcardmem();\r
aea4d766 616 \r
a501c82b 617 memset(emCARD, 0, CARD_MEMORY_SIZE);\r
aea4d766 618 \r
619 // fill sectors trailer data\r
620 for(b = 3; b < 256; b<127?(b+=4):(b+=16)) {\r
621 emlSetMem((uint8_t *)trailer, b , 1);\r
622 } \r
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623\r
624 // uid\r
625 emlSetMem((uint8_t *)uid, 0, 1);\r
626 return;\r
627}\r
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