]> git.zerfleddert.de Git - proxmark3-svn/blame - armsrc/mifareutil.c
FIX: "hf legic decode" the stamp_len variable was int, but its used as a uint8_t.
[proxmark3-svn] / armsrc / mifareutil.c
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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
12#include "proxmark3.h"\r
13#include "apps.h"\r
14#include "util.h"\r
15#include "string.h"\r
16\r
17#include "iso14443crc.h"\r
18#include "iso14443a.h"\r
19#include "crapto1.h"\r
20#include "mifareutil.h"\r
f8ada309 21#include "parity.h"\r
4d2e4eea 22#include "des.h"\r
20f9a2a1 23\r
3de04590 24int MF_DBGLEVEL = MF_DBG_ALL;\r
f397b5cc 25\r
8f51ddb0
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26// crypto1 helpers\r
27void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len){\r
28 uint8_t bt = 0;\r
29 int i;\r
30 \r
31 if (len != 1) {\r
32 for (i = 0; i < len; i++)\r
33 data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
34 } else {\r
d798d31c 35 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 0)) << 0;\r
36 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 1)) << 1;\r
37 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 2)) << 2;\r
38 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data[0], 3)) << 3;\r
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39 data[0] = bt;\r
40 }\r
41 return;\r
42}\r
43\r
a501c82b 44void mf_crypto1_encrypt(struct Crypto1State *pcs, uint8_t *data, uint16_t len, uint8_t *par) {\r
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45 uint8_t bt = 0;\r
46 int i;\r
a501c82b 47 par[0] = 0;\r
48 \r
8f51ddb0
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49 for (i = 0; i < len; i++) {\r
50 bt = data[i];\r
51 data[i] = crypto1_byte(pcs, 0x00, 0) ^ data[i];\r
d798d31c 52 if ((i&0x0007) == 0) \r
a501c82b 53 par[i>>3] = 0;\r
f8ada309 54 par[i>>3] |= (((filter(pcs->odd) ^ oddparity8(bt)) & 0x01)<<(7-(i&0x0007)));\r
8f51ddb0 55 } \r
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56}\r
57\r
58uint8_t mf_crypto1_encrypt4bit(struct Crypto1State *pcs, uint8_t data) {\r
59 uint8_t bt = 0;\r
d798d31c 60 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 0)) << 0;\r
61 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 1)) << 1;\r
62 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 2)) << 2;\r
63 bt |= (crypto1_bit(pcs, 0, 0) ^ BIT(data, 3)) << 3;\r
8f51ddb0 64 return bt;\r
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65}\r
66\r
95aeb706 67// send X byte basic commands\r
68int mifare_sendcmd(uint8_t cmd, uint8_t* data, uint8_t data_size, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)\r
64d1b4ef 69{\r
95aeb706 70 uint8_t dcmd[data_size+3];\r
64d1b4ef 71 dcmd[0] = cmd;\r
95aeb706 72 memcpy(dcmd+1,data,data_size);\r
73 AppendCrc14443a(dcmd, data_size+1);\r
74 ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
64d1b4ef 75 int len = ReaderReceive(answer, answer_parity);\r
76 if(!len) {\r
95aeb706 77 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("%02X Cmd failed. Card timeout.", cmd);\r
78 len = ReaderReceive(answer,answer_parity);\r
f38a1528 79 }\r
80 return len;\r
81}\r
82\r
95aeb706 83// send 2 byte commands\r
2d2f7d19 84int mifare_sendcmd_short(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t data, uint8_t *answer, uint8_t *answer_parity, uint32_t *timing)\r
64d1b4ef 85{\r
d798d31c 86 uint8_t dcmd[4] = {0x00};\r
87 uint8_t ecmd[4] = {0x00};\r
a501c82b 88 uint16_t pos, res;\r
d798d31c 89 uint8_t par[1] = {0x00}; // 1 Byte parity is enough here\r
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90 dcmd[0] = cmd;\r
91 dcmd[1] = data;\r
92 AppendCrc14443a(dcmd, 2);\r
93 \r
94 memcpy(ecmd, dcmd, sizeof(dcmd));\r
95 \r
96 if (crypted) {\r
a501c82b 97 par[0] = 0;\r
d798d31c 98 for (pos = 0; pos < 4; pos++) {\r
20f9a2a1 99 ecmd[pos] = crypto1_byte(pcs, 0x00, 0) ^ dcmd[pos];\r
f8ada309 100 par[0] |= (((filter(pcs->odd) ^ oddparity8(dcmd[pos])) & 0x01) << (7-pos));\r
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101 } \r
102\r
9492e0b0 103 ReaderTransmitPar(ecmd, sizeof(ecmd), par, timing);\r
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104\r
105 } else {\r
9492e0b0 106 ReaderTransmit(dcmd, sizeof(dcmd), timing);\r
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107 }\r
108\r
a501c82b 109 int len = ReaderReceive(answer, par);\r
f89c7050 110 \r
a501c82b 111 if (answer_parity) *answer_parity = par[0];\r
f89c7050 112 \r
4abe4f58 113 if (crypted == CRYPT_ALL) {\r
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114 if (len == 1) {\r
115 res = 0;\r
d798d31c 116 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 0)) << 0;\r
117 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 1)) << 1;\r
118 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 2)) << 2;\r
119 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(answer[0], 3)) << 3;\r
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120 answer[0] = res;\r
121 \r
122 } else {\r
123 for (pos = 0; pos < len; pos++)\r
20f9a2a1 124 answer[pos] = crypto1_byte(pcs, 0x00, 0) ^ answer[pos];\r
20f9a2a1
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125 }\r
126 }\r
127 \r
128 return len;\r
129}\r
130\r
225ccb91 131// mifare classic commands\r
a501c82b 132int mifare_classic_auth(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested) \r
f89c7050 133{\r
9492e0b0 134 return mifare_classic_authex(pcs, uid, blockNo, keyType, ui64Key, isNested, NULL, NULL);\r
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135}\r
136\r
6a1f2d82 137int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t keyType, uint64_t ui64Key, uint8_t isNested, uint32_t *ntptr, uint32_t *timing) \r
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138{\r
139 // variables\r
4abe4f58 140 int len; \r
20f9a2a1 141 uint32_t pos;\r
d798d31c 142 uint8_t tmp4[4] = {0x00};\r
a501c82b 143 uint8_t par[1] = {0x00};\r
7d5169a0 144\r
145 // "random" reader nonce:\r
146 byte_t nr[4] = {0x55, 0x41, 0x49, 0x92};\r
147 //byte_t nr[4] = {0x01, 0x01, 0x01, 0x01};\r
148 \r
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149 uint32_t nt, ntpp; // Supplied tag nonce\r
150 \r
151 uint8_t mf_nr_ar[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 };\r
bd9dfaa8 152 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
153 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
6a1f2d82 154 \r
4abe4f58 155 // Transmit MIFARE_CLASSIC_AUTH\r
a501c82b 156 len = mifare_sendcmd_short(pcs, isNested, 0x60 + (keyType & 0x01), blockNo, receivedAnswer, receivedAnswerPar, timing);\r
157 if (MF_DBGLEVEL >= 4) Dbprintf("rand tag nonce len: %x", len); \r
4abe4f58 158 if (len != 4) return 1;\r
20f9a2a1 159 \r
20f9a2a1
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160 // Save the tag nonce (nt)\r
161 nt = bytes_to_num(receivedAnswer, 4);\r
20f9a2a1
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162\r
163 // ----------------------------- crypto1 create\r
4abe4f58
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164 if (isNested)\r
165 crypto1_destroy(pcs);\r
166\r
167 // Init cipher with key\r
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168 crypto1_create(pcs, ui64Key);\r
169\r
4abe4f58
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170 if (isNested == AUTH_NESTED) {\r
171 // decrypt nt with help of new key \r
172 nt = crypto1_word(pcs, nt ^ uid, 1) ^ nt;\r
173 } else {\r
174 // Load (plain) uid^nt into the cipher\r
175 crypto1_word(pcs, nt ^ uid, 0);\r
176 }\r
177\r
178 // some statistic\r
f397b5cc 179 if (!ntptr && (MF_DBGLEVEL >= 3))\r
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180 Dbprintf("auth uid: %08x nt: %08x", uid, nt); \r
181 \r
182 // save Nt\r
183 if (ntptr)\r
184 *ntptr = nt;\r
20f9a2a1 185\r
4abe4f58 186 // Generate (encrypted) nr+parity by loading it into the cipher (Nr)\r
a501c82b 187 par[0] = 0;\r
bd9dfaa8 188 for (pos = 0; pos < 4; pos++) {\r
a501c82b 189 mf_nr_ar[pos] = crypto1_byte(pcs, nr[pos], 0) ^ nr[pos];\r
f8ada309 190 par[0] |= (((filter(pcs->odd) ^ oddparity8(nr[pos])) & 0x01) << (7-pos));\r
4abe4f58 191 } \r
20f9a2a1 192 \r
4abe4f58
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193 // Skip 32 bits in pseudo random generator\r
194 nt = prng_successor(nt,32);\r
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195\r
196 // ar+parity\r
bd9dfaa8 197 for (pos = 4; pos < 8; pos++) {\r
20f9a2a1 198 nt = prng_successor(nt,8);\r
4abe4f58 199 mf_nr_ar[pos] = crypto1_byte(pcs,0x00,0) ^ (nt & 0xff);\r
f8ada309 200 par[0] |= (((filter(pcs->odd) ^ oddparity8(nt & 0xff)) & 0x01) << (7-pos));\r
4abe4f58 201 } \r
20f9a2a1 202 \r
4abe4f58 203 // Transmit reader nonce and reader answer\r
9492e0b0 204 ReaderTransmitPar(mf_nr_ar, sizeof(mf_nr_ar), par, NULL);\r
20f9a2a1 205\r
a501c82b 206 // Receive 4 byte tag answer\r
207 len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r
bd9dfaa8 208 if (!len) {\r
f397b5cc 209 if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Card timeout.");\r
20f9a2a1 210 return 2;\r
4abe4f58 211 }\r
20f9a2a1 212 \r
4abe4f58 213 memcpy(tmp4, receivedAnswer, 4);\r
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214 ntpp = prng_successor(nt, 32) ^ crypto1_word(pcs, 0,0);\r
215 \r
216 if (ntpp != bytes_to_num(tmp4, 4)) {\r
f397b5cc 217 if (MF_DBGLEVEL >= 1) Dbprintf("Authentication failed. Error card response.");\r
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218 return 3;\r
219 }\r
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220 return 0;\r
221}\r
222\r
223int mifare_classic_readblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r
224{\r
225 // variables\r
4abe4f58 226 int len; \r
d798d31c 227 uint8_t bt[2] = {0x00};\r
20f9a2a1 228 \r
d798d31c 229 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
230 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
20f9a2a1 231 \r
4abe4f58 232 // command MIFARE_CLASSIC_READBLOCK\r
a501c82b 233 len = mifare_sendcmd_short(pcs, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
20f9a2a1 234 if (len == 1) {\r
f397b5cc 235 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r
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236 return 1;\r
237 }\r
238 if (len != 18) {\r
f397b5cc 239 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: card timeout. len: %x", len); \r
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240 return 2;\r
241 }\r
242\r
243 memcpy(bt, receivedAnswer + 16, 2);\r
4abe4f58 244 AppendCrc14443a(receivedAnswer, 16);\r
20f9a2a1 245 if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r
f397b5cc 246 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd CRC response error."); \r
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247 return 3;\r
248 }\r
249 \r
250 memcpy(blockData, receivedAnswer, 16);\r
64d1b4ef 251 return 0;\r
f38a1528 252}\r
253\r
225ccb91 254// mifare ultralight commands\r
4d2e4eea 255int mifare_ul_ev1_auth(uint8_t *keybytes, uint8_t *pack){\r
225ccb91 256\r
a501c82b 257 uint16_t len;\r
d798d31c 258 uint8_t resp[4] = {0x00};\r
259 uint8_t respPar[1] = {0x00};\r
8258f409 260 uint8_t key[4] = {0x00};\r
4d2e4eea 261 memcpy(key, keybytes, 4);\r
8258f409 262\r
95aeb706 263 if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r
264 Dbprintf("EV1 Auth : %02x%02x%02x%02x", key[0], key[1], key[2], key[3]);\r
d798d31c 265 \r
95aeb706 266 len = mifare_sendcmd(0x1B, key, sizeof(key), resp, respPar, NULL);\r
0de8e387 267\r
4d2e4eea 268 if (len != 4) {\r
269 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x %u", resp[0], len);\r
e7e95088 270 return 0;\r
f38a1528 271 }\r
8258f409 272\r
4d2e4eea 273 if (MF_DBGLEVEL >= MF_DBG_EXTENDED)\r
8258f409 274 Dbprintf("Auth Resp: %02x%02x%02x%02x", resp[0],resp[1],resp[2],resp[3]);\r
275\r
4d2e4eea 276 memcpy(pack, resp, 4);\r
e7e95088 277 return 1;\r
f38a1528 278}\r
279\r
4d2e4eea 280int mifare_ultra_auth(uint8_t *keybytes){\r
225ccb91 281\r
8258f409 282 /// 3des2k\r
283\r
4d2e4eea 284 uint8_t random_a[8] = {1,1,1,1,1,1,1,1};\r
285 uint8_t random_b[8] = {0x00};\r
286 uint8_t enc_random_b[8] = {0x00};\r
287 uint8_t rnd_ab[16] = {0x00};\r
288 uint8_t IV[8] = {0x00};\r
8258f409 289 uint8_t key[16] = {0x00};\r
4d2e4eea 290 memcpy(key, keybytes, 16);\r
a631936e 291\r
a501c82b 292 uint16_t len;\r
4d2e4eea 293 uint8_t resp[19] = {0x00};\r
294 uint8_t respPar[3] = {0,0,0};\r
295\r
296 // REQUEST AUTHENTICATION\r
297 len = mifare_sendcmd_short(NULL, 1, 0x1A, 0x00, resp, respPar ,NULL);\r
298 if (len != 11) {\r
299 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r
e7e95088 300 return 0;\r
4d2e4eea 301 }\r
302\r
303 // tag nonce.\r
304 memcpy(enc_random_b,resp+1,8);\r
305\r
306 // decrypt nonce.\r
307 tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );\r
308 rol(random_b,8);\r
309 memcpy(rnd_ab ,random_a,8);\r
310 memcpy(rnd_ab+8,random_b,8);\r
8258f409 311\r
4d2e4eea 312 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
313 Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x",\r
314 enc_random_b[0],enc_random_b[1],enc_random_b[2],enc_random_b[3],enc_random_b[4],enc_random_b[5],enc_random_b[6],enc_random_b[7]);\r
a631936e 315\r
4d2e4eea 316 Dbprintf(" B: %02x %02x %02x %02x %02x %02x %02x %02x",\r
317 random_b[0],random_b[1],random_b[2],random_b[3],random_b[4],random_b[5],random_b[6],random_b[7]);\r
318\r
319 Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",\r
320 rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);\r
8258f409 321\r
4d2e4eea 322 Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",\r
323 rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15] );\r
324 }\r
8258f409 325\r
326 // encrypt out, in, length, key, iv\r
327 tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);\r
95aeb706 328 //len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, resp, respPar, NULL);\r
329 len = mifare_sendcmd(0xAF, rnd_ab, sizeof(rnd_ab), resp, respPar, NULL);\r
f168b263 330 if (len != 11) {\r
8258f409 331 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", resp[0]);\r
9d87eb66 332 return 0;\r
a631936e 333 }\r
8258f409 334\r
335 uint8_t enc_resp[8] = { 0,0,0,0,0,0,0,0 };\r
336 uint8_t resp_random_a[8] = { 0,0,0,0,0,0,0,0 };\r
337 memcpy(enc_resp, resp+1, 8);\r
338\r
339 // decrypt out, in, length, key, iv \r
340 tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);\r
341 if ( memcmp(resp_random_a, random_a, 8) != 0 ) {\r
342 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("failed authentication");\r
9d87eb66 343 return 0;\r
8258f409 344 }\r
345\r
225ccb91 346 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
4d2e4eea 347 Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", \r
348 rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],\r
349 rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);\r
350\r
351 Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",\r
352 rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],\r
353 rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15]);\r
354\r
355 Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x",\r
356 random_a[0],random_a[1],random_a[2],random_a[3],\r
357 random_a[4],random_a[5],random_a[6],random_a[7]);\r
8258f409 358\r
4d2e4eea 359 Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x",\r
360 resp_random_a[0],resp_random_a[1],resp_random_a[2],resp_random_a[3],\r
361 resp_random_a[4],resp_random_a[5],resp_random_a[6],resp_random_a[7]);\r
f38a1528 362 }\r
e7e95088 363 return 1;\r
a631936e 364}\r
365\r
aa60d156 366int mifare_ultra_readblock(uint8_t blockNo, uint8_t *blockData)\r
64d1b4ef 367{\r
368 uint16_t len;\r
bd9dfaa8 369 uint8_t bt[2] = {0x00};\r
d798d31c 370 uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};\r
371 uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};\r
3fe4ff4f 372 \r
64d1b4ef 373 len = mifare_sendcmd_short(NULL, 1, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
374 if (len == 1) {\r
aa60d156 375 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
64d1b4ef 376 return 1;\r
377 }\r
378 if (len != 18) {\r
aa60d156 379 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: card timeout. len: %x", len);\r
64d1b4ef 380 return 2;\r
381 }\r
382 \r
383 memcpy(bt, receivedAnswer + 16, 2);\r
384 AppendCrc14443a(receivedAnswer, 16);\r
385 if (bt[0] != receivedAnswer[16] || bt[1] != receivedAnswer[17]) {\r
aa60d156 386 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd CRC response error.");\r
64d1b4ef 387 return 3;\r
388 }\r
389 \r
390 memcpy(blockData, receivedAnswer, 14);\r
391 return 0;\r
392}\r
393\r
64d1b4ef 394int mifare_classic_writeblock(struct Crypto1State *pcs, uint32_t uid, uint8_t blockNo, uint8_t *blockData) \r
395{\r
396 // variables\r
bd9dfaa8 397 uint16_t len; \r
add0504d 398 uint32_t pos = 0;\r
399 uint8_t par[3] = {0x00}; // enough for 18 Bytes to send\r
400 byte_t res = 0;\r
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401 \r
402 uint8_t d_block[18], d_block_enc[18];\r
d798d31c 403 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
404 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
20f9a2a1 405 \r
4abe4f58 406 // command MIFARE_CLASSIC_WRITEBLOCK\r
a501c82b 407 len = mifare_sendcmd_short(pcs, 1, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
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408\r
409 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
f397b5cc 410 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); \r
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411 return 1;\r
412 }\r
413 \r
414 memcpy(d_block, blockData, 16);\r
415 AppendCrc14443a(d_block, 16);\r
416 \r
417 // crypto\r
bd9dfaa8 418 for (pos = 0; pos < 18; pos++) {\r
4abe4f58 419 d_block_enc[pos] = crypto1_byte(pcs, 0x00, 0) ^ d_block[pos];\r
f8ada309 420 par[pos>>3] |= (((filter(pcs->odd) ^ oddparity8(d_block[pos])) & 0x01) << (7 - (pos&0x0007)));\r
4abe4f58 421 } \r
20f9a2a1 422\r
9492e0b0 423 ReaderTransmitPar(d_block_enc, sizeof(d_block_enc), par, NULL);\r
20f9a2a1 424\r
4abe4f58 425 // Receive the response\r
a501c82b 426 len = ReaderReceive(receivedAnswer, receivedAnswerPar); \r
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427\r
428 res = 0;\r
bd9dfaa8 429 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 0)) << 0;\r
430 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 1)) << 1;\r
431 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 2)) << 2;\r
432 res |= (crypto1_bit(pcs, 0, 0) ^ BIT(receivedAnswer[0], 3)) << 3;\r
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433\r
434 if ((len != 1) || (res != 0x0A)) {\r
f397b5cc 435 if (MF_DBGLEVEL >= 1) Dbprintf("Cmd send data2 Error: %02x", res); \r
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436 return 2;\r
437 }\r
438 \r
64d1b4ef 439 return 0;\r
440}\r
441\r
95aeb706 442/* // command not needed, but left for future testing\r
443int mifare_ultra_writeblock_compat(uint8_t blockNo, uint8_t *blockData) \r
64d1b4ef 444{\r
f168b263 445 uint16_t len;\r
64d1b4ef 446 uint8_t par[3] = {0}; // enough for 18 parity bits\r
447 uint8_t d_block[18] = {0x00};\r
aa60d156 448 uint8_t receivedAnswer[MAX_FRAME_SIZE];\r
449 uint8_t receivedAnswerPar[MAX_PARITY_SIZE];\r
f168b263 450\r
64d1b4ef 451 len = mifare_sendcmd_short(NULL, true, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL);\r
452\r
453 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
225ccb91 454 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
f168b263 455 Dbprintf("Cmd Addr Error: %02x", receivedAnswer[0]);\r
64d1b4ef 456 return 1;\r
457 }\r
458\r
459 memcpy(d_block, blockData, 16);\r
460 AppendCrc14443a(d_block, 16);\r
461\r
462 ReaderTransmitPar(d_block, sizeof(d_block), par, NULL);\r
463\r
f168b263 464 len = ReaderReceive(receivedAnswer, receivedAnswerPar);\r
64d1b4ef 465\r
466 if ((len != 1) || (receivedAnswer[0] != 0x0A)) { // 0x0a - ACK\r
225ccb91 467 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
64d1b4ef 468 Dbprintf("Cmd Data Error: %02x %d", receivedAnswer[0],len);\r
469 return 2;\r
f168b263 470 }\r
64d1b4ef 471 return 0;\r
f168b263 472}\r
95aeb706 473*/\r
64d1b4ef 474\r
95aeb706 475int mifare_ultra_writeblock(uint8_t blockNo, uint8_t *blockData)\r
64d1b4ef 476{\r
477 uint16_t len;\r
95aeb706 478 uint8_t d_block[5] = {0x00};\r
d798d31c 479 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
480 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
64d1b4ef 481\r
482 // command MIFARE_CLASSIC_WRITEBLOCK\r
483 d_block[0]= blockNo;\r
484 memcpy(d_block+1,blockData,4);\r
95aeb706 485 //AppendCrc14443a(d_block, 6);\r
64d1b4ef 486\r
95aeb706 487 len = mifare_sendcmd(0xA2, d_block, sizeof(d_block), receivedAnswer, receivedAnswerPar, NULL);\r
64d1b4ef 488\r
489 if (receivedAnswer[0] != 0x0A) { // 0x0a - ACK\r
225ccb91 490 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
64d1b4ef 491 Dbprintf("Cmd Send Error: %02x %d", receivedAnswer[0],len);\r
492 return 1;\r
493 }\r
494 return 0;\r
495}\r
c2731f37 496int mifare_classic_halt_ex(struct Crypto1State *pcs) {\r
a501c82b 497 uint16_t len; \r
d798d31c 498 uint8_t receivedAnswer[4] = {0x00};\r
499 uint8_t receivedAnswerPar[4] = {0x00};\r
20f9a2a1 500\r
a501c82b 501 len = mifare_sendcmd_short(pcs, pcs == NULL ? false:true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
4abe4f58 502 if (len != 0) {\r
c2731f37 503 if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("halt error. response len: %x", len); \r
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504 return 1;\r
505 }\r
64d1b4ef 506 return 0;\r
507}\r
c2731f37 508int mifare_classic_halt(struct Crypto1State *pcs, uint32_t uid) {\r
509 return mifare_classic_halt_ex(pcs);\r
510}\r
64d1b4ef 511\r
aa60d156 512int mifare_ultra_halt()\r
64d1b4ef 513{\r
514 uint16_t len;\r
d798d31c 515 uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00};\r
516 uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00};\r
64d1b4ef 517 \r
518 len = mifare_sendcmd_short(NULL, true, 0x50, 0x00, receivedAnswer, receivedAnswerPar, NULL);\r
519 if (len != 0) {\r
225ccb91 520 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
64d1b4ef 521 Dbprintf("halt error. response len: %x", len);\r
522 return 1;\r
225ccb91 523 }\r
64d1b4ef 524 return 0;\r
525}\r
526\r
baeaf579 527\r
528// Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),\r
529// plus evtl. 8 sectors with 16 blocks each (4k cards)\r
530uint8_t NumBlocksPerSector(uint8_t sectorNo) \r
531{\r
532 if (sectorNo < 32) \r
533 return 4;\r
d798d31c 534 return 16;\r
baeaf579 535}\r
536\r
537uint8_t FirstBlockOfSector(uint8_t sectorNo) \r
538{\r
539 if (sectorNo < 32)\r
540 return sectorNo * 4;\r
541 else\r
542 return 32*4 + (sectorNo - 32) * 16;\r
543 \r
544}\r
545\r
546\r
64d1b4ef 547// work with emulator memory\r
548void emlSetMem(uint8_t *data, int blockNum, int blocksCount) {\r
0de8e387 549 emlSetMem_xt(data, blockNum, blocksCount, 16);\r
550}\r
551\r
552void emlSetMem_xt(uint8_t *data, int blockNum, int blocksCount, int blockBtWidth) {\r
64d1b4ef 553 uint8_t* emCARD = BigBuf_get_EM_addr();\r
0de8e387 554 memcpy(emCARD + blockNum * blockBtWidth, data, blocksCount * blockBtWidth);\r
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555}\r
556\r
557void emlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r
f71f4deb 558 uint8_t* emCARD = BigBuf_get_EM_addr();\r
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559 memcpy(data, emCARD + blockNum * 16, blocksCount * 16);\r
560}\r
561\r
562void emlGetMemBt(uint8_t *data, int bytePtr, int byteCount) {\r
f71f4deb 563 uint8_t* emCARD = BigBuf_get_EM_addr();\r
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564 memcpy(data, emCARD + bytePtr, byteCount);\r
565}\r
566\r
0014cb46 567int emlCheckValBl(int blockNum) {\r
f71f4deb 568 uint8_t* emCARD = BigBuf_get_EM_addr();\r
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569 uint8_t* data = emCARD + blockNum * 16;\r
570\r
571 if ((data[0] != (data[4] ^ 0xff)) || (data[0] != data[8]) ||\r
572 (data[1] != (data[5] ^ 0xff)) || (data[1] != data[9]) ||\r
573 (data[2] != (data[6] ^ 0xff)) || (data[2] != data[10]) ||\r
574 (data[3] != (data[7] ^ 0xff)) || (data[3] != data[11]) ||\r
575 (data[12] != (data[13] ^ 0xff)) || (data[12] != data[14]) ||\r
576 (data[12] != (data[15] ^ 0xff))\r
577 ) \r
578 return 1;\r
579 return 0;\r
580}\r
581\r
582int emlGetValBl(uint32_t *blReg, uint8_t *blBlock, int blockNum) {\r
f71f4deb 583 uint8_t* emCARD = BigBuf_get_EM_addr();\r
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584 uint8_t* data = emCARD + blockNum * 16;\r
585 \r
d798d31c 586 if (emlCheckValBl(blockNum))\r
0014cb46 587 return 1;\r
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588 \r
589 memcpy(blReg, data, 4);\r
590 *blBlock = data[12];\r
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591 return 0;\r
592}\r
593\r
594int emlSetValBl(uint32_t blReg, uint8_t blBlock, int blockNum) {\r
f71f4deb 595 uint8_t* emCARD = BigBuf_get_EM_addr();\r
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596 uint8_t* data = emCARD + blockNum * 16;\r
597 \r
598 memcpy(data + 0, &blReg, 4);\r
599 memcpy(data + 8, &blReg, 4);\r
600 blReg = blReg ^ 0xffffffff;\r
601 memcpy(data + 4, &blReg, 4);\r
602 \r
603 data[12] = blBlock;\r
604 data[13] = blBlock ^ 0xff;\r
605 data[14] = blBlock;\r
606 data[15] = blBlock ^ 0xff;\r
607 \r
608 return 0;\r
609}\r
610\r
8556b852 611uint64_t emlGetKey(int sectorNum, int keyType) {\r
d798d31c 612 uint8_t key[6] = {0x00};\r
f71f4deb 613 uint8_t* emCARD = BigBuf_get_EM_addr();\r
8556b852 614 \r
baeaf579 615 memcpy(key, emCARD + 16 * (FirstBlockOfSector(sectorNum) + NumBlocksPerSector(sectorNum) - 1) + keyType * 10, 6);\r
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616 return bytes_to_num(key, 6);\r
617}\r
618\r
8f51ddb0 619void emlClearMem(void) {\r
aea4d766 620 int b;\r
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621 \r
622 const uint8_t trailer[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x07, 0x80, 0x69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};\r
8f51ddb0 623 const uint8_t uid[] = {0xe6, 0x84, 0x87, 0xf3, 0x16, 0x88, 0x04, 0x00, 0x46, 0x8e, 0x45, 0x55, 0x4d, 0x70, 0x41, 0x04};\r
f71f4deb 624 uint8_t* emCARD = BigBuf_get_EM_addr();\r
aea4d766 625 \r
a501c82b 626 memset(emCARD, 0, CARD_MEMORY_SIZE);\r
aea4d766 627 \r
628 // fill sectors trailer data\r
bd9dfaa8 629 for(b = 3; b < 256; b<127?(b+=4):(b+=16))\r
aea4d766 630 emlSetMem((uint8_t *)trailer, b , 1);\r
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631\r
632 // uid\r
633 emlSetMem((uint8_t *)uid, 0, 1);\r
634 return;\r
635}\r
6ff6ade2 636\r
225ccb91 637\r
638// Mifare desfire commands\r
6ff6ade2 639int mifare_sendcmd_special(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer, uint8_t *answer_parity, uint32_t *timing)\r
640{\r
641 uint8_t dcmd[5] = {0x00};\r
642 dcmd[0] = cmd;\r
643 memcpy(dcmd+1,data,2);\r
644 AppendCrc14443a(dcmd, 3);\r
645 \r
646 ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
647 int len = ReaderReceive(answer, answer_parity);\r
648 if(!len) {\r
225ccb91 649 if (MF_DBGLEVEL >= MF_DBG_ERROR) \r
650 Dbprintf("Authentication failed. Card timeout.");\r
651 return 1;\r
6ff6ade2 652 }\r
653 return len;\r
654}\r
655\r
656int mifare_sendcmd_special2(struct Crypto1State *pcs, uint8_t crypted, uint8_t cmd, uint8_t* data, uint8_t* answer,uint8_t *answer_parity, uint32_t *timing)\r
657{\r
658 uint8_t dcmd[20] = {0x00};\r
659 dcmd[0] = cmd;\r
660 memcpy(dcmd+1,data,17);\r
661 AppendCrc14443a(dcmd, 18);\r
662\r
663 ReaderTransmit(dcmd, sizeof(dcmd), NULL);\r
664 int len = ReaderReceive(answer, answer_parity);\r
665 if(!len){\r
225ccb91 666 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
667 Dbprintf("Authentication failed. Card timeout.");\r
668 return 1;\r
6ff6ade2 669 }\r
670 return len;\r
671}\r
672\r
673int mifare_desfire_des_auth1(uint32_t uid, uint8_t *blockData){\r
225ccb91 674\r
6ff6ade2 675 int len;\r
e3ab50ca 676 // load key, keynumber\r
6ff6ade2 677 uint8_t data[2]={0x0a, 0x00};\r
d798d31c 678 uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};\r
679 uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};\r
6ff6ade2 680 \r
6ff6ade2 681 len = mifare_sendcmd_special(NULL, 1, 0x02, data, receivedAnswer,receivedAnswerPar,NULL);\r
682 if (len == 1) {\r
225ccb91 683 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
684 Dbprintf("Cmd Error: %02x", receivedAnswer[0]);\r
6ff6ade2 685 return 1;\r
686 }\r
687 \r
688 if (len == 12) {\r
225ccb91 689 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
690 Dbprintf("Auth1 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
691 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
692 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
693 receivedAnswer[10],receivedAnswer[11]);\r
694 }\r
695 memcpy(blockData, receivedAnswer, 12);\r
6ff6ade2 696 return 0;\r
697 }\r
698 return 1;\r
699}\r
700\r
701int mifare_desfire_des_auth2(uint32_t uid, uint8_t *key, uint8_t *blockData){\r
225ccb91 702\r
6ff6ade2 703 int len;\r
e3ab50ca 704 uint8_t data[17] = {0x00};\r
705 data[0] = 0xAF;\r
6ff6ade2 706 memcpy(data+1,key,16);\r
707 \r
d798d31c 708 uint8_t receivedAnswer[MAX_FRAME_SIZE] = {0x00};\r
709 uint8_t receivedAnswerPar[MAX_PARITY_SIZE] = {0x00};\r
6ff6ade2 710 \r
6ff6ade2 711 len = mifare_sendcmd_special2(NULL, 1, 0x03, data, receivedAnswer, receivedAnswerPar ,NULL);\r
712 \r
e3ab50ca 713 if ((receivedAnswer[0] == 0x03) && (receivedAnswer[1] == 0xae)) {\r
225ccb91 714 if (MF_DBGLEVEL >= MF_DBG_ERROR)\r
715 Dbprintf("Auth Error: %02x %02x", receivedAnswer[0], receivedAnswer[1]);\r
6ff6ade2 716 return 1;\r
717 }\r
225ccb91 718 \r
6ff6ade2 719 if (len == 12){\r
225ccb91 720 if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {\r
721 Dbprintf("Auth2 Resp: %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",\r
722 receivedAnswer[0],receivedAnswer[1],receivedAnswer[2],receivedAnswer[3],receivedAnswer[4],\r
723 receivedAnswer[5],receivedAnswer[6],receivedAnswer[7],receivedAnswer[8],receivedAnswer[9],\r
724 receivedAnswer[10],receivedAnswer[11]);\r
725 }\r
6ff6ade2 726 memcpy(blockData, receivedAnswer, 12);\r
727 return 0;\r
728 }\r
729 return 1;\r
64d1b4ef 730}\r
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