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20f9a2a1 | 1 | //-----------------------------------------------------------------------------\r |
b62a5a84 | 2 | // Merlok, May 2011, 2012\r |
8f51ddb0 | 3 | // Many authors, whom made it possible\r |
20f9a2a1 M |
4 | //\r |
5 | // This code is licensed to you under the terms of the GNU GPL, version 2 or,\r | |
6 | // at your option, any later version. See the LICENSE.txt file for the text of\r | |
7 | // the license.\r | |
8 | //-----------------------------------------------------------------------------\r | |
8f51ddb0 | 9 | // Work with mifare cards.\r |
20f9a2a1 M |
10 | //-----------------------------------------------------------------------------\r |
11 | \r | |
33443e7c | 12 | #include "mifareutil.h"\r |
b35e04a7 | 13 | \r |
14 | #include <string.h>\r | |
15 | #include <stdbool.h>\r | |
16 | \r | |
20f9a2a1 M |
17 | #include "proxmark3.h"\r |
18 | #include "apps.h"\r | |
19 | #include "util.h"\r | |
1f065e1d | 20 | #include "parity.h"\r |
20f9a2a1 M |
21 | #include "iso14443crc.h"\r |
22 | #include "iso14443a.h"\r | |
33443e7c | 23 | #include "crapto1/crapto1.h"\r |
930763e8 | 24 | #include "polarssl/des.h"\r |
20f9a2a1 | 25 | \r |
f397b5cc M |
26 | int MF_DBGLEVEL = MF_DBG_ALL;\r |
27 | \r | |
8f51ddb0 | 28 | // crypto1 helpers\r |
6e49717b | 29 | void mf_crypto1_decryptEx(struct Crypto1State *pcs, uint8_t *data_in, int len, uint8_t *data_out){\r |
8f51ddb0 M |
30 | uint8_t bt = 0;\r |
31 | int i;\r | |
32 | \r | |
33 | if (len != 1) {\r | |
34 | for (i = 0; i < len; i++)\r | |
6e49717b | 35 | data_out[i] = crypto1_byte(pcs, 0x00, 0) ^ data_in[i];\r |
8f51ddb0 M |
36 | } else {\r |
37 | bt = 0;\r | |
38 | for (i = 0; i < 4; i++)\r | |
6e49717b | 39 | bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data_in[0], i)) << i;\r |
8f51ddb0 | 40 | \r |
6e49717b | 41 | data_out[0] = bt;\r |
8f51ddb0 M |
42 | }\r |
43 | return;\r | |
44 | }\r | |
45 | \r | |
6e49717b | 46 | void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r |
47 | mf_crypto1_decryptEx(pcs, data, len, data);\r | |
48 | }\r | |
49 | \r | |
6a1f2d82 | 50 | void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, uint8_t *par) {\r |
8f51ddb0 M |
51 | uint8_t bt = 0;\r |
52 | int i;\r | |
6a1f2d82 | 53 | par[0] = 0;\r |
3fe4ff4f | 54 | \r |
8f51ddb0 M |
55 | for (i = 0; i < len; i++) {\r |
56 | bt = data[i];\r | |
57 | data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r | |
3fe4ff4f | 58 | if((i&0x0007) == 0) \r |
59 | par[i>>3] = 0;\r | |
1f065e1d | 60 | par[i>>3] |= (((filter(pcs->odd) ^ oddparity8(bt)) & 0x01)<<(7-(i&0x0007)));\r |
8f51ddb0 M |
61 | } \r |
62 | return;\r | |
63 | }\r | |
64 | \r | |
65 | uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {\r | |
66 | uint8_t bt = 0;\r | |
67 | int i;\r | |
68 | \r | |
69 | for (i = 0; i < 4; i++)\r | |
70 | bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, i)) << i;\r | |
71 | \r | |
72 | return bt;\r | |
20f9a2a1 M |
73 | }\r |
74 | \r | |
4973f23d | 75 | // send X byte basic commands\r |
76 | int mifare_sendcmd(uint8_t cmd, uint8_t* data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)\r | |
f168b263 | 77 | {\r |
4973f23d | 78 | uint8_t dcmd[data_size+3];\r |
79 | dcmd[0] = cmd;\r | |
80 | memcpy(dcmd+1,data,data_size);\r | |
81 | AppendCrc14443a(dcmd, data_size+1);\r | |
82 | ReaderTransmit(dcmd, sizeof(dcmd), timing);\r | |
f168b263 | 83 | int len = ReaderReceive(answer, answer_parity);\r |
84 | if(!len) {\r | |
4973f23d | 85 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("%02X Cmd failed. Card timeout.", cmd);\r |
86 | len = ReaderReceive(answer,answer_parity);\r | |
87 | //return 0;\r | |
88 | }\r | |
a631936e | 89 | return len;\r |
90 | }\r | |
91 | \r | |
4973f23d | 92 | // send 2 byte commands\r |
e35031d2 | 93 | int 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 |
f168b263 | 94 | {\r |
95 | uint8_t dcmd[4], ecmd[4];\r | |
6a1f2d82 | 96 | uint16_t pos, res;\r |
97 | uint8_t par[1]; // 1 Byte parity is enough here\r | |
20f9a2a1 M |
98 | dcmd[0] = cmd;\r |
99 | dcmd[1] = data;\r | |
100 | AppendCrc14443a(dcmd, 2);\r | |
101 | \r | |
102 | memcpy(ecmd, dcmd, sizeof(dcmd));\r | |
103 | \r | |
104 | if (crypted) {\r | |
6a1f2d82 | 105 | par[0] = 0;\r |
20f9a2a1 M |
106 | for (pos = 0; pos < 4; pos++)\r |
107 | {\r | |
108 | ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r | |
1f065e1d | 109 | par[0] |= (((filter(pcs->odd) ^ oddparity8(dcmd[pos])) & 0x01) << (7-pos));\r |
20f9a2a1 M |
110 | } \r |
111 | \r | |
9492e0b0 | 112 | ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r |
20f9a2a1 M |
113 | \r |
114 | } else {\r | |
9492e0b0 | 115 | ReaderTransmit(dcmd, sizeof(dcmd), timing);\r |
20f9a2a1 M |
116 | }\r |
117 | \r | |
6a1f2d82 | 118 | int len = ReaderReceive(answer, par);\r |
119 | \r | |
120 | if (answer_parity) *answer_parity = par[0];\r | |
f89c7050 | 121 | \r |
4abe4f58 | 122 | if (crypted == CRYPT_ALL) {\r |
20f9a2a1 M |
123 | if (len == 1) {\r |
124 | res = 0;\r | |
125 | for (pos = 0; pos < 4; pos++)\r | |
126 | res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], pos)) << pos;\r | |
127 | \r | |
128 | answer[0] = res;\r | |
129 | \r | |
130 | } else {\r | |
131 | for (pos = 0; pos < len; pos++)\r | |
132 | {\r | |
133 | answer[pos] = crypto1_byte(pcs, 0x00, 0) ^ answer[pos];\r | |
134 | }\r | |
135 | }\r | |
136 | }\r | |
137 | \r | |
138 | return len;\r | |
139 | }\r | |
140 | \r | |
787b5bd8 | 141 | // mifare classic commands\r |
6a1f2d82 | 142 | int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) \r |
f89c7050 | 143 | {\r |
9492e0b0 | 144 | return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);\r |
f89c7050 M |
145 | }\r |
146 | \r | |
6a1f2d82 | 147 | int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested, uint32_t *ntptr, uint32_t *timing) \r |
20f9a2a1 M |
148 | {\r |
149 | // variables\r | |
4abe4f58 | 150 | int len; \r |
20f9a2a1 M |
151 | uint32_t pos;\r |
152 | uint8_t tmp4[4];\r | |
3fe4ff4f | 153 | uint8_t par[1] = {0x00};\r |
6a1f2d82 | 154 | byte_t nr[4];\r |
20f9a2a1 M |
155 | uint32_t nt, ntpp; // Supplied tag nonce\r |
156 | \r | |
157 | uint8_t mf_nr_ar[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };\r | |
f71f4deb | 158 | uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r |
159 | uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r | |
6a1f2d82 | 160 | \r |
4abe4f58 | 161 | // Transmit MIFARE_CLASSIC_AUTH\r |
6a1f2d82 | 162 | len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer, receivedAnswerPar, timing);\r |
163 | if (MF_DBGLEVEL >= 4) Dbprintf("rand tag nonce len: %x", len); \r | |
4abe4f58 | 164 | if (len != 4) return 1;\r |
20f9a2a1 | 165 | \r |
6a1f2d82 | 166 | // "random" reader nonce:\r |
167 | nr[0] = 0x55;\r | |
168 | nr[1] = 0x41;\r | |
169 | nr[2] = 0x49;\r | |
170 | nr[3] = 0x92; \r | |
20f9a2a1 M |
171 | \r |
172 | // Save the tag nonce (nt)\r | |
173 | nt = bytes_to_num(receivedAnswer, 4);\r | |
20f9a2a1 M |
174 | \r |
175 | // ----------------------------- crypto1 create\r | |
4abe4f58 M |
176 | if (isNested)\r |
177 | crypto1_destroy(pcs);\r | |
178 | \r | |
179 | // Init cipher with key\r | |
20f9a2a1 M |
180 | crypto1_create(pcs, ui64Key);\r |
181 | \r | |
4abe4f58 M |
182 | if (isNested == AUTH_NESTED) {\r |
183 | // decrypt nt with help of new key \r | |
184 | nt = crypto1_word(pcs, nt ^ uid, 1) ^ nt;\r | |
185 | } else {\r | |
186 | // Load (plain) uid^nt into the cipher\r | |
187 | crypto1_word(pcs, nt ^ uid, 0);\r | |
188 | }\r | |
189 | \r | |
190 | // some statistic\r | |
f397b5cc | 191 | if (!ntptr && (MF_DBGLEVEL >= 3))\r |
f89c7050 M |
192 | Dbprintf("auth uid: %08x nt: %08x", uid, nt); \r |
193 | \r | |
194 | // save Nt\r | |
195 | if (ntptr)\r | |
196 | *ntptr = nt;\r | |
20f9a2a1 | 197 | \r |
4abe4f58 | 198 | // Generate (encrypted) nr+parity by loading it into the cipher (Nr)\r |
6a1f2d82 | 199 | par[0] = 0;\r |
4abe4f58 M |
200 | for (pos = 0; pos < 4; pos++)\r |
201 | {\r | |
6a1f2d82 | 202 | mf_nr_ar[pos] = crypto1_byte(pcs, nr[pos], 0) ^ nr[pos];\r |
1f065e1d | 203 | par[0] |= (((filter(pcs->odd) ^ oddparity8(nr[pos])) & 0x01) << (7-pos));\r |
4abe4f58 | 204 | } \r |
20f9a2a1 | 205 | \r |
4abe4f58 M |
206 | // Skip 32 bits in pseudo random generator\r |
207 | nt = prng_successor(nt,32);\r | |
20f9a2a1 M |
208 | \r |
209 | // ar+parity\r | |
4abe4f58 M |
210 | for (pos = 4; pos < 8; pos++)\r |
211 | {\r | |
20f9a2a1 | 212 | nt = prng_successor(nt,8);\r |
4abe4f58 | 213 | mf_nr_ar[pos] = crypto1_byte(pcs,0x00,0) ^ (nt & 0xff);\r |
1f065e1d | 214 | par[0] |= (((filter(pcs->odd) ^ oddparity8(nt)) & 0x01) << (7-pos));\r |
4abe4f58 | 215 | } \r |
20f9a2a1 | 216 | \r |
4abe4f58 | 217 | // Transmit reader nonce and reader answer\r |
9492e0b0 | 218 | ReaderTransmitPar(mf_nr_ar, sizeof(mf_nr_ar), par, NULL);\r |
20f9a2a1 | 219 | \r |
6a1f2d82 | 220 | // Receive 4 byte tag answer\r |
221 | len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r | |
4abe4f58 M |
222 | if (!len)\r |
223 | {\r | |
f397b5cc | 224 | if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");\r |
20f9a2a1 | 225 | return 2;\r |
4abe4f58 | 226 | }\r |
20f9a2a1 | 227 | \r |
4abe4f58 | 228 | memcpy(tmp4, receivedAnswer, 4);\r |
20f9a2a1 M |
229 | ntpp = prng_successor(nt, 32) ^ crypto1_word(pcs, 0,0);\r |
230 | \r | |
231 | if (ntpp != bytes_to_num(tmp4, 4)) {\r | |
f397b5cc | 232 | if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Error card response.");\r |
20f9a2a1 M |
233 | return 3;\r |
234 | }\r | |
235 | \r | |
236 | return 0;\r | |
237 | }\r | |
238 | \r | |
239 | int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r | |
240 | {\r | |
241 | // variables\r | |
4abe4f58 | 242 | int len; \r |
20f9a2a1 M |
243 | uint8_t bt[2];\r |
244 | \r | |
f71f4deb | 245 | uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r |
246 | uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r | |
20f9a2a1 | 247 | \r |
4abe4f58 | 248 | // command MIFARE_CLASSIC_READBLOCK\r |
6a1f2d82 | 249 | len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r |
20f9a2a1 | 250 | if (len == 1) {\r |
f397b5cc | 251 | if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r |
20f9a2a1 M |
252 | return 1;\r |
253 | }\r | |
254 | if (len != 18) {\r | |
f397b5cc | 255 | if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: card timeout. len: %x", len); \r |
20f9a2a1 M |
256 | return 2;\r |
257 | }\r | |
258 | \r | |
259 | memcpy(bt, receivedAnswer + 16, 2);\r | |
4abe4f58 | 260 | AppendCrc14443a(receivedAnswer, 16);\r |
20f9a2a1 | 261 | if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r |
f397b5cc | 262 | if (MF_DBGLEVEL >= 1) Dbprintf("Cmd CRC response error."); \r |
20f9a2a1 M |
263 | return 3;\r |
264 | }\r | |
265 | \r | |
266 | memcpy(blockData, receivedAnswer, 16);\r | |
f168b263 | 267 | return 0;\r |
268 | }\r | |
269 | \r | |
a631936e | 270 | // mifare ultralight commands\r |
8258f409 | 271 | int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){\r |
cceabb79 | 272 | \r |
273 | uint16_t len;\r | |
8258f409 | 274 | uint8_t resp[4];\r |
275 | uint8_t respPar[1];\r | |
276 | uint8_t key[4] = {0x00};\r | |
277 | memcpy(key, keybytes, 4);\r | |
278 | \r | |
e35031d2 | 279 | if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r |
280 | Dbprintf("EV1 Auth : %02x%02x%02x%02x", key[0], key[1], key[2], key[3]);\r | |
4973f23d | 281 | len = mifare_sendcmd(0x1B, key, sizeof(key), resp, respPar, NULL);\r |
282 | //len = mifare_sendcmd_short_mfuev1auth(NULL, 0, 0x1B, key, resp, respPar, NULL);\r | |
cceabb79 | 283 | if (len != 4) {\r |
8258f409 | 284 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x %u", resp[0], len);\r |
9d87eb66 | 285 | return 0;\r |
cceabb79 | 286 | }\r |
8258f409 | 287 | \r |
288 | if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r | |
289 | Dbprintf("Auth Resp: %02x%02x%02x%02x", resp[0],resp[1],resp[2],resp[3]);\r | |
290 | \r | |
291 | memcpy(pack, resp, 4);\r | |
9d87eb66 | 292 | return 1;\r |
cceabb79 | 293 | }\r |
294 | \r | |
8258f409 | 295 | int mifare_ultra_auth(uint8_t *keybytes){\r |
296 | \r | |
297 | /// 3des2k\r | |
298 | \r | |
930763e8 | 299 | des3_context ctx = { 0x00 };\r |
8258f409 | 300 | uint8_t random_a[8] = {1,1,1,1,1,1,1,1};\r |
301 | uint8_t random_b[8] = {0x00};\r | |
302 | uint8_t enc_random_b[8] = {0x00};\r | |
303 | uint8_t rnd_ab[16] = {0x00};\r | |
304 | uint8_t IV[8] = {0x00};\r | |
305 | uint8_t key[16] = {0x00};\r | |
306 | memcpy(key, keybytes, 16);\r | |
a631936e | 307 | \r |
308 | uint16_t len;\r | |
8258f409 | 309 | uint8_t resp[19] = {0x00};\r |
310 | uint8_t respPar[3] = {0,0,0};\r | |
311 | \r | |
312 | // REQUEST AUTHENTICATION\r | |
313 | len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, resp, respPar ,NULL);\r | |
f168b263 | 314 | if (len != 11) {\r |
8258f409 | 315 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r |
9d87eb66 | 316 | return 0;\r |
a631936e | 317 | }\r |
a631936e | 318 | \r |
8258f409 | 319 | // tag nonce.\r |
320 | memcpy(enc_random_b,resp+1,8);\r | |
321 | \r | |
322 | // decrypt nonce.\r | |
930763e8 | 323 | // tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );\r |
324 | des3_set2key_dec(&ctx, key);\r | |
325 | des3_crypt_cbc(&ctx // des3_context\r | |
326 | , DES_DECRYPT // int mode\r | |
327 | , sizeof(random_b) // length\r | |
328 | , IV // iv[8]\r | |
329 | , enc_random_b // input\r | |
330 | , random_b // output\r | |
331 | );\r | |
332 | \r | |
8258f409 | 333 | rol(random_b,8);\r |
334 | memcpy(rnd_ab ,random_a,8);\r | |
335 | memcpy(rnd_ab+8,random_b,8);\r | |
336 | \r | |
a631936e | 337 | if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r |
8258f409 | 338 | Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x",\r |
339 | 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 | |
a631936e | 340 | \r |
8258f409 | 341 | Dbprintf(" B: %02x %02x %02x %02x %02x %02x %02x %02x",\r |
342 | 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 | |
a631936e | 343 | \r |
8258f409 | 344 | Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",\r |
345 | 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 | |
346 | \r | |
347 | Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",\r | |
348 | 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 | |
349 | }\r | |
350 | \r | |
351 | // encrypt out, in, length, key, iv\r | |
930763e8 | 352 | //tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r |
353 | des3_set2key_enc(&ctx, key);\r | |
354 | des3_crypt_cbc(&ctx // des3_context\r | |
355 | , DES_ENCRYPT // int mode\r | |
356 | , sizeof(rnd_ab) // length\r | |
357 | , enc_random_b // iv[8]\r | |
358 | , rnd_ab // input\r | |
359 | , rnd_ab // output\r | |
360 | );\r | |
361 | \r | |
4973f23d | 362 | //len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, resp, respPar, NULL);\r |
363 | len = mifare_sendcmd(0xAF, rnd_ab, sizeof(rnd_ab), resp, respPar, NULL);\r | |
f168b263 | 364 | if (len != 11) {\r |
8258f409 | 365 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r |
9d87eb66 | 366 | return 0;\r |
a631936e | 367 | }\r |
8258f409 | 368 | \r |
369 | uint8_t enc_resp[8] = { 0,0,0,0,0,0,0,0 };\r | |
370 | uint8_t resp_random_a[8] = { 0,0,0,0,0,0,0,0 };\r | |
371 | memcpy(enc_resp, resp+1, 8);\r | |
372 | \r | |
373 | // decrypt out, in, length, key, iv \r | |
930763e8 | 374 | // tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);\r |
375 | des3_set2key_dec(&ctx, key);\r | |
376 | des3_crypt_cbc(&ctx // des3_context\r | |
377 | , DES_DECRYPT // int mode\r | |
378 | , 8 // length\r | |
379 | , enc_random_b // iv[8]\r | |
380 | , enc_resp // input\r | |
381 | , resp_random_a // output\r | |
382 | );\r | |
8258f409 | 383 | if ( memcmp(resp_random_a, random_a, 8) != 0 ) {\r |
384 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("failed authentication");\r | |
9d87eb66 | 385 | return 0;\r |
8258f409 | 386 | }\r |
387 | \r | |
a631936e | 388 | if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r |
8258f409 | 389 | Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", \r |
390 | rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],\r | |
391 | rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);\r | |
392 | \r | |
393 | Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",\r | |
394 | rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],\r | |
395 | rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15]);\r | |
396 | \r | |
397 | Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x",\r | |
398 | random_a[0],random_a[1],random_a[2],random_a[3],\r | |
399 | random_a[4],random_a[5],random_a[6],random_a[7]);\r | |
400 | \r | |
401 | Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x",\r | |
402 | resp_random_a[0],resp_random_a[1],resp_random_a[2],resp_random_a[3],\r | |
403 | resp_random_a[4],resp_random_a[5],resp_random_a[6],resp_random_a[7]);\r | |
a631936e | 404 | }\r |
9d87eb66 | 405 | return 1;\r |
a631936e | 406 | }\r |
407 | \r | |
b24930c7 JC |
408 | \r |
409 | #define MFU_MAX_RETRIES 5\r | |
f168b263 | 410 | int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)\r |
411 | {\r | |
412 | uint16_t len;\r | |
413 | uint8_t bt[2];\r | |
414 | uint8_t receivedAnswer[MAX_FRAME_SIZE];\r | |
415 | uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r | |
b24930c7 JC |
416 | uint8_t retries;\r |
417 | int result = 0;\r | |
4973f23d | 418 | \r |
b24930c7 JC |
419 | for (retries = 0; retries < MFU_MAX_RETRIES; retries++) {\r |
420 | len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r | |
421 | if (len == 1) {\r | |
422 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r | |
423 | result = 1;\r | |
424 | continue;\r | |
425 | }\r | |
426 | if (len != 18) {\r | |
427 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: card timeout. len: %x", len);\r | |
428 | result = 2;\r | |
429 | continue;\r | |
430 | }\r | |
431 | \r | |
432 | memcpy(bt, receivedAnswer + 16, 2);\r | |
433 | AppendCrc14443a(receivedAnswer, 16);\r | |
434 | if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r | |
435 | if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd CRC response error.");\r | |
436 | result = 3;\r | |
437 | continue;\r | |
438 | }\r | |
439 | \r | |
440 | // No errors encountered; don't retry\r | |
441 | result = 0;\r | |
442 | break;\r | |
f168b263 | 443 | }\r |
b24930c7 JC |
444 | \r |
445 | if (result != 0) {\r | |
446 | Dbprintf("Cmd Error: too many retries; read failed");\r | |
447 | return result;\r | |
f168b263 | 448 | }\r |
b24930c7 | 449 | \r |
f168b263 | 450 | memcpy(blockData, receivedAnswer, 14);\r |
451 | return 0;\r | |
452 | }\r | |
453 | \r | |
f168b263 | 454 | int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r |
455 | {\r | |
456 | // variables\r | |
3fe4ff4f | 457 | uint16_t len, i; \r |
20f9a2a1 | 458 | uint32_t pos;\r |
6a1f2d82 | 459 | uint8_t par[3] = {0}; // enough for 18 Bytes to send\r |
4abe4f58 | 460 | byte_t res;\r |
20f9a2a1 M |
461 | \r |
462 | uint8_t d_block[18], d_block_enc[18];\r | |
f71f4deb | 463 | uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r |
464 | uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r | |
20f9a2a1 | 465 | \r |
4abe4f58 | 466 | // command MIFARE_CLASSIC_WRITEBLOCK\r |
6a1f2d82 | 467 | len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r |
20f9a2a1 M |
468 | \r |
469 | if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r | |
f397b5cc | 470 | if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r |
20f9a2a1 M |
471 | return 1;\r |
472 | }\r | |
473 | \r | |
474 | memcpy(d_block, blockData, 16);\r | |
475 | AppendCrc14443a(d_block, 16);\r | |
476 | \r | |
477 | // crypto\r | |
4abe4f58 M |
478 | for (pos = 0; pos < 18; pos++)\r |
479 | {\r | |
480 | d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r | |
1f065e1d | 481 | par[pos>>3] |= (((filter(pcs->odd) ^ oddparity8(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\r |
4abe4f58 | 482 | } \r |
20f9a2a1 | 483 | \r |
9492e0b0 | 484 | ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r |
20f9a2a1 | 485 | \r |
4abe4f58 | 486 | // Receive the response\r |
6a1f2d82 | 487 | len = ReaderReceive(receivedAnswer, receivedAnswerPar); \r |
20f9a2a1 M |
488 | \r |
489 | res = 0;\r | |
490 | for (i = 0; i < 4; i++)\r | |
491 | res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], i)) << i;\r | |
492 | \r | |
493 | if ((len != 1) || (res != 0x0A)) {\r | |
f397b5cc | 494 | if (MF_DBGLEVEL >= 1) Dbprintf("Cmd send data2 Error: %02x", res); \r |
20f9a2a1 M |
495 | return 2;\r |
496 | }\r | |
497 | \r | |
f168b263 | 498 | return 0;\r |
499 | }\r | |
500 | \r | |
4973f23d | 501 | /* // command not needed, but left for future testing\r |
502 | int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) \r | |
f168b263 | 503 | {\r |
504 | uint16_t len;\r | |
505 | uint8_t par[3] = {0}; // enough for 18 parity bits\r | |
506 | uint8_t d_block[18] = {0x00};\r | |
507 | uint8_t receivedAnswer[MAX_FRAME_SIZE];\r | |
508 | uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r | |
509 | \r | |
f168b263 | 510 | len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r |
511 | \r | |
512 | if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r | |
787b5bd8 | 513 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r |
f168b263 | 514 | Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]);\r |
515 | return 1;\r | |
516 | }\r | |
517 | \r | |
518 | memcpy(d_block, blockData, 16);\r | |
519 | AppendCrc14443a(d_block, 16);\r | |
520 | \r | |
521 | ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);\r | |
522 | \r | |
523 | len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r | |
524 | \r | |
525 | if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r | |
787b5bd8 | 526 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r |
f168b263 | 527 | Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len);\r |
528 | return 2;\r | |
529 | }\r | |
530 | return 0;\r | |
531 | }\r | |
4973f23d | 532 | */\r |
f168b263 | 533 | \r |
4973f23d | 534 | int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)\r |
f168b263 | 535 | {\r |
536 | uint16_t len;\r | |
4973f23d | 537 | uint8_t d_block[5] = {0x00};\r |
f71f4deb | 538 | uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r |
539 | uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r | |
f168b263 | 540 | \r |
541 | // command MIFARE_CLASSIC_WRITEBLOCK\r | |
542 | d_block[0]= blockNo;\r | |
543 | memcpy(d_block+1,blockData,4);\r | |
4973f23d | 544 | //AppendCrc14443a(d_block, 6);\r |
f168b263 | 545 | \r |
4973f23d | 546 | len = mifare_sendcmd(0xA2, d_block, sizeof(d_block), receivedAnswer, receivedAnswerPar, NULL);\r |
f168b263 | 547 | \r |
548 | if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK\r | |
787b5bd8 | 549 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r |
f168b263 | 550 | Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);\r |
551 | return 1;\r | |
552 | }\r | |
553 | return 0;\r | |
554 | }\r | |
555 | \r | |
556 | int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) \r | |
557 | {\r | |
6a1f2d82 | 558 | uint16_t len; \r |
f71f4deb | 559 | uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r |
560 | uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r | |
20f9a2a1 | 561 | \r |
6a1f2d82 | 562 | len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r |
4abe4f58 | 563 | if (len != 0) {\r |
787b5bd8 | 564 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r |
565 | Dbprintf("halt error. response len: %x", len); \r | |
20f9a2a1 M |
566 | return 1;\r |
567 | }\r | |
568 | \r | |
f168b263 | 569 | return 0;\r |
570 | }\r | |
571 | \r | |
572 | int mifare_ultra_halt()\r | |
573 | {\r | |
574 | uint16_t len;\r | |
f71f4deb | 575 | uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r |
576 | uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r | |
f168b263 | 577 | \r |
578 | len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r | |
579 | if (len != 0) {\r | |
787b5bd8 | 580 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r |
f168b263 | 581 | Dbprintf("halt error. response len: %x", len);\r |
582 | return 1;\r | |
583 | }\r | |
584 | return 0;\r | |
585 | }\r | |
586 | \r | |
baeaf579 | 587 | \r |
588 | // Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),\r | |
589 | // plus evtl. 8 sectors with 16 blocks each (4k cards)\r | |
590 | uint8_t NumBlocksPerSector(uint8_t sectorNo) \r | |
591 | {\r | |
592 | if (sectorNo < 32) \r | |
593 | return 4;\r | |
594 | else\r | |
595 | return 16;\r | |
596 | }\r | |
597 | \r | |
598 | uint8_t FirstBlockOfSector(uint8_t sectorNo) \r | |
599 | {\r | |
600 | if (sectorNo < 32)\r | |
601 | return sectorNo * 4;\r | |
602 | else\r | |
603 | return 32*4 + (sectorNo - 32) * 16;\r | |
604 | \r | |
605 | }\r | |
606 | \r | |
b35e04a7 | 607 | uint8_t SectorTrailer(uint8_t blockNo)\r |
608 | {\r | |
609 | if (blockNo < 32*4) {\r | |
610 | return (blockNo | 0x03);\r | |
611 | } else {\r | |
612 | return (blockNo | 0x0f);\r | |
613 | }\r | |
614 | }\r | |
615 | \r | |
616 | bool IsSectorTrailer(uint8_t blockNo)\r | |
617 | {\r | |
618 | return (blockNo == SectorTrailer(blockNo));\r | |
619 | }\r | |
baeaf579 | 620 | \r |
f168b263 | 621 | // work with emulator memory\r |
622 | void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {\r | |
623 | uint8_t* emCARD = BigBuf_get_EM_addr();\r | |
8f51ddb0 M |
624 | memcpy(emCARD + blockNum * 16, data, blocksCount * 16);\r |
625 | }\r | |
626 | \r | |
627 | void emlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r | |
f71f4deb | 628 | uint8_t* emCARD = BigBuf_get_EM_addr();\r |
8f51ddb0 M |
629 | memcpy(data, emCARD + blockNum * 16, blocksCount * 16);\r |
630 | }\r | |
631 | \r | |
632 | void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {\r | |
f71f4deb | 633 | uint8_t* emCARD = BigBuf_get_EM_addr();\r |
8f51ddb0 M |
634 | memcpy(data, emCARD + bytePtr, byteCount);\r |
635 | }\r | |
636 | \r | |
0014cb46 | 637 | int emlCheckValBl(int blockNum) {\r |
f71f4deb | 638 | uint8_t* emCARD = BigBuf_get_EM_addr();\r |
0014cb46 M |
639 | uint8_t* data = emCARD + blockNum * 16;\r |
640 | \r | |
641 | if ((data[0] != (data[4] ^ 0xff)) || (data[0] != data[8]) ||\r | |
642 | (data[1] != (data[5] ^ 0xff)) || (data[1] != data[9]) ||\r | |
643 | (data[2] != (data[6] ^ 0xff)) || (data[2] != data[10]) ||\r | |
644 | (data[3] != (data[7] ^ 0xff)) || (data[3] != data[11]) ||\r | |
645 | (data[12] != (data[13] ^ 0xff)) || (data[12] != data[14]) ||\r | |
646 | (data[12] != (data[15] ^ 0xff))\r | |
647 | ) \r | |
648 | return 1;\r | |
649 | return 0;\r | |
650 | }\r | |
651 | \r | |
652 | int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {\r | |
f71f4deb | 653 | uint8_t* emCARD = BigBuf_get_EM_addr();\r |
0014cb46 M |
654 | uint8_t* data = emCARD + blockNum * 16;\r |
655 | \r | |
656 | if (emlCheckValBl(blockNum)) {\r | |
657 | return 1;\r | |
658 | }\r | |
659 | \r | |
660 | memcpy(blReg, data, 4);\r | |
661 | *blBlock = data[12];\r | |
0014cb46 M |
662 | return 0;\r |
663 | }\r | |
664 | \r | |
665 | int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {\r | |
f71f4deb | 666 | uint8_t* emCARD = BigBuf_get_EM_addr();\r |
0014cb46 M |
667 | uint8_t* data = emCARD + blockNum * 16;\r |
668 | \r | |
669 | memcpy(data + 0, &blReg, 4);\r | |
670 | memcpy(data + 8, &blReg, 4);\r | |
671 | blReg = blReg ^ 0xffffffff;\r | |
672 | memcpy(data + 4, &blReg, 4);\r | |
673 | \r | |
674 | data[12] = blBlock;\r | |
675 | data[13] = blBlock ^ 0xff;\r | |
676 | data[14] = blBlock;\r | |
677 | data[15] = blBlock ^ 0xff;\r | |
678 | \r | |
679 | return 0;\r | |
680 | }\r | |
681 | \r | |
8556b852 M |
682 | uint64_t emlGetKey(int sectorNum, int keyType) {\r |
683 | uint8_t key[6];\r | |
f71f4deb | 684 | uint8_t* emCARD = BigBuf_get_EM_addr();\r |
8556b852 | 685 | \r |
baeaf579 | 686 | memcpy(key, emCARD + 16 * (FirstBlockOfSector(sectorNum) + NumBlocksPerSector(sectorNum) - 1) + keyType * 10, 6);\r |
8556b852 M |
687 | return bytes_to_num(key, 6);\r |
688 | }\r | |
689 | \r | |
8f51ddb0 | 690 | void emlClearMem(void) {\r |
aea4d766 | 691 | int b;\r |
8f51ddb0 M |
692 | \r |
693 | const uint8_t trailer[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x80, 0x69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r | |
8f51ddb0 | 694 | const uint8_t uid[] = {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};\r |
f71f4deb | 695 | uint8_t* emCARD = BigBuf_get_EM_addr();\r |
aea4d766 | 696 | \r |
6a1f2d82 | 697 | memset(emCARD, 0, CARD_MEMORY_SIZE);\r |
aea4d766 | 698 | \r |
699 | // fill sectors trailer data\r | |
700 | for(b = 3; b < 256; b<127?(b+=4):(b+=16)) {\r | |
701 | emlSetMem((uint8_t *)trailer, b , 1);\r | |
702 | } \r | |
8f51ddb0 M |
703 | \r |
704 | // uid\r | |
705 | emlSetMem((uint8_t *)uid, 0, 1);\r | |
706 | return;\r | |
707 | }\r | |
c8b6da22 | 708 | \r |
709 | \r | |
710 | // Mifare desfire commands\r | |
711 | int 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 | |
712 | {\r | |
713 | uint8_t dcmd[5] = {0x00};\r | |
714 | dcmd[0] = cmd;\r | |
715 | memcpy(dcmd+1,data,2);\r | |
716 | AppendCrc14443a(dcmd, 3);\r | |
717 | \r | |
718 | ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r | |
719 | int len = ReaderReceive(answer, answer_parity);\r | |
720 | if(!len) {\r | |
721 | if (MF_DBGLEVEL >= MF_DBG_ERROR) \r | |
722 | Dbprintf("Authentication failed. Card timeout.");\r | |
723 | return 1;\r | |
724 | }\r | |
725 | return len;\r | |
726 | }\r | |
727 | \r | |
728 | int 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 | |
729 | {\r | |
730 | uint8_t dcmd[20] = {0x00};\r | |
731 | dcmd[0] = cmd;\r | |
732 | memcpy(dcmd+1,data,17);\r | |
733 | AppendCrc14443a(dcmd, 18);\r | |
734 | \r | |
735 | ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r | |
736 | int len = ReaderReceive(answer, answer_parity);\r | |
737 | if(!len){\r | |
738 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r | |
739 | Dbprintf("Authentication failed. Card timeout.");\r | |
740 | return 1;\r | |
741 | }\r | |
742 | return len;\r | |
743 | }\r | |
744 | \r | |
745 | int mifare_desfire_des_auth1(uint32_t uid, uint8_t *blockData){\r | |
746 | \r | |
747 | int len;\r | |
748 | // load key, keynumber\r | |
749 | uint8_t data[2]={0x0a, 0x00};\r | |
29250969 | 750 | uint8_t receivedAnswer[MAX_FRAME_SIZE];\r |
751 | uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r | |
c8b6da22 | 752 | \r |
753 | len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);\r | |
754 | if (len == 1) {\r | |
755 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r | |
756 | Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r | |
757 | return 1;\r | |
758 | }\r | |
759 | \r | |
760 | if (len == 12) {\r | |
761 | if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r | |
762 | Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r | |
763 | receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r | |
764 | receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r | |
765 | receivedAnswer[10],receivedAnswer[11]);\r | |
766 | }\r | |
767 | memcpy(blockData, receivedAnswer, 12);\r | |
768 | return 0;\r | |
769 | }\r | |
770 | return 1;\r | |
771 | }\r | |
772 | \r | |
773 | int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){\r | |
774 | \r | |
775 | int len;\r | |
776 | uint8_t data[17] = {0x00};\r | |
777 | data[0] = 0xAF;\r | |
778 | memcpy(data+1,key,16);\r | |
779 | \r | |
f71f4deb | 780 | uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE];\r |
781 | uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE];\r | |
c8b6da22 | 782 | \r |
783 | len = mifare_sendcmd_special2(NULL, 1, 0x03, data, receivedAnswer, receivedAnswerPar ,NULL);\r | |
784 | \r | |
785 | if ((receivedAnswer[0] == 0x03) && (receivedAnswer[1] == 0xae)) {\r | |
786 | if (MF_DBGLEVEL >= MF_DBG_ERROR)\r | |
787 | Dbprintf("Auth Error: %02x %02x", receivedAnswer[0], receivedAnswer[1]);\r | |
788 | return 1;\r | |
789 | }\r | |
790 | \r | |
791 | if (len == 12){\r | |
792 | if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r | |
793 | Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r | |
794 | receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r | |
795 | receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r | |
796 | receivedAnswer[10],receivedAnswer[11]);\r | |
797 | }\r | |
798 | memcpy(blockData, receivedAnswer, 12);\r | |
799 | return 0;\r | |
800 | }\r | |
801 | return 1;\r | |
f168b263 | 802 | }\r |
275d9e61 OM |
803 | \r |
804 | //-----------------------------------------------------------------------------\r | |
805 | // MIFARE check keys\r | |
806 | //\r | |
807 | //-----------------------------------------------------------------------------\r | |
808 | // one key check\r | |
809 | int MifareChkBlockKey(uint8_t *uid, uint32_t *cuid, uint8_t *cascade_levels, uint64_t ui64Key, uint8_t blockNo, uint8_t keyType, uint8_t debugLevel) {\r | |
810 | \r | |
811 | struct Crypto1State mpcs = {0, 0};\r | |
812 | struct Crypto1State *pcs;\r | |
813 | pcs = &mpcs;\r | |
814 | \r | |
815 | // Iceman: use piwi's faster nonce collecting part in hardnested.\r | |
816 | if (*cascade_levels == 0) { // need a full select cycle to get the uid first\r | |
817 | iso14a_card_select_t card_info;\r | |
818 | if(!iso14443a_select_card(uid, &card_info, cuid, true, 0, true)) {\r | |
819 | if (debugLevel >= 1) Dbprintf("ChkKeys: Can't select card");\r | |
820 | return 1;\r | |
821 | }\r | |
822 | switch (card_info.uidlen) {\r | |
823 | case 4 : *cascade_levels = 1; break;\r | |
824 | case 7 : *cascade_levels = 2; break;\r | |
825 | case 10: *cascade_levels = 3; break;\r | |
826 | default: break;\r | |
827 | }\r | |
828 | } else { // no need for anticollision. We can directly select the card\r | |
829 | if(!iso14443a_select_card(uid, NULL, NULL, false, *cascade_levels, true)) {\r | |
830 | if (debugLevel >= 1) Dbprintf("ChkKeys: Can't select card (UID) lvl=%d", *cascade_levels);\r | |
831 | return 1;\r | |
832 | }\r | |
833 | }\r | |
834 | \r | |
835 | if(mifare_classic_auth(pcs, *cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) {\r | |
836 | // SpinDelayUs(AUTHENTICATION_TIMEOUT); // it not needs because mifare_classic_auth have timeout from iso14a_set_timeout()\r | |
837 | return 2;\r | |
838 | } else {\r | |
839 | /* // let it be here. it like halt command, but maybe it will work in some strange cases\r | |
840 | uint8_t dummy_answer = 0;\r | |
841 | ReaderTransmit(&dummy_answer, 1, NULL);\r | |
842 | int timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT; \r | |
843 | // wait for the card to become ready again\r | |
844 | while(GetCountSspClk() < timeout) {};\r | |
845 | */\r | |
846 | // it needs after success authentication\r | |
847 | mifare_classic_halt(pcs, *cuid);\r | |
848 | }\r | |
849 | \r | |
850 | return 0;\r | |
851 | }\r | |
852 | \r | |
853 | // multi key check\r | |
854 | int MifareChkBlockKeys(uint8_t *keys, uint8_t keyCount, uint8_t blockNo, uint8_t keyType, uint8_t debugLevel) {\r | |
855 | uint8_t uid[10];\r | |
856 | uint32_t cuid = 0;\r | |
857 | uint8_t cascade_levels = 0;\r | |
858 | uint64_t ui64Key = 0;\r | |
859 | \r | |
860 | int retryCount = 0;\r | |
861 | for (uint8_t i = 0; i < keyCount; i++) {\r | |
862 | \r | |
863 | // Allow button press / usb cmd to interrupt device\r | |
864 | if (BUTTON_PRESS() && !usb_poll_validate_length()) { \r | |
865 | Dbprintf("ChkKeys: Cancel operation. Exit...");\r | |
866 | return -2;\r | |
867 | }\r | |
868 | \r | |
869 | ui64Key = bytes_to_num(keys + i * 6, 6);\r | |
870 | int res = MifareChkBlockKey(uid, &cuid, &cascade_levels, ui64Key, blockNo, keyType, debugLevel);\r | |
871 | \r | |
872 | // can't select\r | |
873 | if (res == 1) {\r | |
874 | retryCount++;\r | |
875 | if (retryCount >= 5) {\r | |
876 | Dbprintf("ChkKeys: block=%d key=%d. Can't select. Exit...", blockNo, keyType);\r | |
877 | return -1;\r | |
878 | }\r | |
879 | --i; // try the same key once again\r | |
880 | \r | |
881 | SpinDelay(20);\r | |
882 | // Dbprintf("ChkKeys: block=%d key=%d. Try the same key once again...", blockNo, keyType);\r | |
883 | continue;\r | |
884 | }\r | |
885 | \r | |
886 | // can't authenticate\r | |
887 | if (res == 2) {\r | |
888 | retryCount = 0;\r | |
889 | continue; // can't auth. wrong key.\r | |
890 | }\r | |
891 | \r | |
892 | return i + 1;\r | |
893 | }\r | |
894 | \r | |
895 | return 0;\r | |
896 | }\r | |
897 | \r | |
898 | // multisector multikey check\r | |
899 | int MifareMultisectorChk(uint8_t *keys, uint8_t keyCount, uint8_t SectorCount, uint8_t keyType, uint8_t debugLevel, TKeyIndex *keyIndex) {\r | |
900 | int res = 0;\r | |
901 | \r | |
902 | // int clk = GetCountSspClk();\r | |
903 | \r | |
904 | for(int sc = 0; sc < SectorCount; sc++){\r | |
905 | WDT_HIT();\r | |
906 | \r | |
907 | int keyAB = keyType;\r | |
908 | do {\r | |
909 | res = MifareChkBlockKeys(keys, keyCount, FirstBlockOfSector(sc), keyAB & 0x01, debugLevel);\r | |
910 | if (res < 0){\r | |
911 | return res;\r | |
912 | }\r | |
913 | if (res > 0){\r | |
914 | (*keyIndex)[keyAB & 0x01][sc] = res;\r | |
915 | }\r | |
916 | } while(--keyAB > 0);\r | |
917 | }\r | |
918 | \r | |
919 | // Dbprintf("%d %d", GetCountSspClk() - clk, (GetCountSspClk() - clk)/(SectorCount*keyCount*(keyType==2?2:1)));\r | |
920 | \r | |
921 | return 0;\r | |
922 | }\r | |
923 | \r | |
924 | \r |