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1//-----------------------------------------------------------------------------\r
2//\r
3// This code is licensed to you under the terms of the GNU GPL, version 2 or,\r
4// at your option, any later version. See the LICENSE.txt file for the text of\r
5// the license.\r
6//-----------------------------------------------------------------------------\r
7// Low frequency T55xx commands\r
8//-----------------------------------------------------------------------------\r
9\r
10#include <stdio.h>\r
11#include <string.h>\r
12#include <inttypes.h>\r
13#include "proxmark3.h"\r
14#include "ui.h"\r
15#include "graph.h"\r
16#include "cmdmain.h"\r
17#include "cmdparser.h"\r
18#include "cmddata.h"\r
19#include "cmdlf.h"\r
20#include "cmdlft55xx.h"\r
21#include "util.h"\r
22#include "data.h"\r
23\r
24\r
25#define LF_TRACE_BUFF_SIZE 20000 // 32 x 32 x 10 (32 bit times numofblock (7), times clock skip..)\r
26#define LF_BITSSTREAM_LEN 1000 // more then 1000 bits shouldn't happend.. 8block * 4 bytes * 8bits = \r
27static int CmdHelp(const char *Cmd);\r
28\r
29int CmdReadBlk(const char *Cmd)\r
30{\r
31 int block = -1;\r
32 sscanf(Cmd, "%d", &block);\r
33\r
34 if ((block > 7) | (block < 0)) {\r
35 PrintAndLog("Block must be between 0 and 7");\r
36 return 1;\r
37 } \r
38\r
39 UsbCommand c;\r
40 c.cmd = CMD_T55XX_READ_BLOCK;\r
41 c.d.asBytes[0] = 0x00;\r
42 c.arg[0] = 0;\r
43 c.arg[1] = block;\r
44 c.arg[2] = 0;\r
45 SendCommand(&c);\r
46 WaitForResponse(CMD_ACK, NULL);\r
47 \r
48 uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};\r
49 \r
50 GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0); //3560 -- should be offset..\r
51 WaitForResponseTimeout(CMD_ACK,NULL, 1500);\r
52\r
53 for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {\r
54 GraphBuffer[j] = (int)data[j];\r
55 }\r
56 GraphTraceLen = LF_TRACE_BUFF_SIZE;\r
57 ManchesterDemod(block);\r
58 RepaintGraphWindow();\r
59 return 0;\r
60}\r
61\r
62int CmdReadBlkPWD(const char *Cmd)\r
63{\r
64 int Block = -1; //default to invalid block\r
65 int Password = 0xFFFFFFFF; //default to blank Block 7\r
66 UsbCommand c;\r
67\r
68 sscanf(Cmd, "%d %x", &Block, &Password);\r
69\r
70 if ((Block > 7) | (Block < 0)) {\r
71 PrintAndLog("Block must be between 0 and 7");\r
72 return 1;\r
73 } \r
74\r
75 PrintAndLog("Reading page 0 block %d pwd %08X", Block, Password);\r
76\r
77 c.cmd = CMD_T55XX_READ_BLOCK;\r
78 c.d.asBytes[0] = 0x1; //Password mode\r
79 c.arg[0] = 0;\r
80 c.arg[1] = Block;\r
81 c.arg[2] = Password;\r
82 SendCommand(&c);\r
83 WaitForResponse(CMD_ACK, NULL);\r
84 \r
85 uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};\r
86\r
87 GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0); //3560 -- should be offset..\r
88 WaitForResponseTimeout(CMD_ACK,NULL, 1500);\r
89\r
90 for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {\r
91 GraphBuffer[j] = ((int)data[j]);\r
92 }\r
93 GraphTraceLen = LF_TRACE_BUFF_SIZE;\r
94 ManchesterDemod(Block); \r
95 RepaintGraphWindow();\r
96 return 0;\r
97}\r
98\r
99int CmdWriteBlk(const char *Cmd)\r
100{\r
101 int Block = 8; //default to invalid block\r
102 int Data = 0xFFFFFFFF; //default to blank Block \r
103 UsbCommand c;\r
104\r
105 sscanf(Cmd, "%x %d", &Data, &Block);\r
106\r
107 if (Block > 7) {\r
108 PrintAndLog("Block must be between 0 and 7");\r
109 return 1;\r
110 } \r
111\r
112 PrintAndLog("Writting block %d with data %08X", Block, Data);\r
113\r
114 c.cmd = CMD_T55XX_WRITE_BLOCK;\r
115 c.d.asBytes[0] = 0x0; //Normal mode\r
116 c.arg[0] = Data;\r
117 c.arg[1] = Block;\r
118 c.arg[2] = 0;\r
119 SendCommand(&c);\r
120 return 0;\r
121}\r
122\r
123int CmdWriteBlkPWD(const char *Cmd)\r
124{\r
125 int Block = 8; //default to invalid block\r
126 int Data = 0xFFFFFFFF; //default to blank Block \r
127 int Password = 0xFFFFFFFF; //default to blank Block 7\r
128 UsbCommand c;\r
129\r
130 sscanf(Cmd, "%x %d %x", &Data, &Block, &Password);\r
131\r
132 if (Block > 7) {\r
133 PrintAndLog("Block must be between 0 and 7");\r
134 return 1;\r
135 } \r
136\r
137 PrintAndLog("Writting block %d with data %08X and password %08X", Block, Data, Password);\r
138\r
139 c.cmd = CMD_T55XX_WRITE_BLOCK;\r
140 c.d.asBytes[0] = 0x1; //Password mode\r
141 c.arg[0] = Data;\r
142 c.arg[1] = Block;\r
143 c.arg[2] = Password;\r
144 SendCommand(&c);\r
145 return 0;\r
146}\r
147\r
148int CmdReadTrace(const char *Cmd)\r
149{\r
150 char cmdp = param_getchar(Cmd, 0);\r
151\r
152 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {\r
153 PrintAndLog("Usage: lf t55xx trace [use data from Graphbuffer]");\r
154 PrintAndLog(" [use data from Graphbuffer], if not set, try reading data from tag.");\r
155 PrintAndLog("");\r
156 PrintAndLog(" sample: lf t55xx trace");\r
157 PrintAndLog(" sample: lf t55xx trace 1");\r
158 return 0;\r
159 }\r
160\r
161 if ( strlen(Cmd)==0){\r
162 UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}};\r
163 SendCommand(&c);\r
164 WaitForResponse(CMD_ACK, NULL);\r
165\r
166 uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};\r
167\r
168 GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0); //3560 -- should be offset..\r
169 WaitForResponseTimeout(CMD_ACK,NULL, 1500);\r
170\r
171 for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {\r
172 GraphBuffer[j] = ((int)data[j]);\r
173 }\r
174 GraphTraceLen = LF_TRACE_BUFF_SIZE;\r
175 }\r
176 \r
177 uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};\r
178 uint8_t * bitstream = bits;\r
179 \r
180 manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN);\r
181 RepaintGraphWindow();\r
182\r
183 uint8_t si = 5;\r
184 uint32_t bl0 = PackBits(si, 32, bitstream);\r
185 uint32_t bl1 = PackBits(si+32, 32, bitstream);\r
186 \r
187 uint32_t acl = PackBits(si, 8, bitstream); si += 8;\r
188 uint32_t mfc = PackBits(si, 8, bitstream); si += 8;\r
189 uint32_t cid = PackBits(si, 5, bitstream); si += 5;\r
190 uint32_t icr = PackBits(si, 3, bitstream); si += 3;\r
191 uint32_t year = PackBits(si, 4, bitstream); si += 4;\r
192 uint32_t quarter = PackBits(si, 2, bitstream); si += 2;\r
193 uint32_t lotid = PackBits(si, 12, bitstream); si += 12;\r
194 uint32_t wafer = PackBits(si, 5, bitstream); si += 5;\r
195 uint32_t dw = PackBits(si, 15, bitstream); \r
196 \r
197 PrintAndLog("");\r
198 PrintAndLog("-- T55xx Trace Information ----------------------------------");\r
199 PrintAndLog("-------------------------------------------------------------");\r
200 PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl);\r
201 PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d)", mfc, mfc);\r
202 PrintAndLog(" CID : 0x%02X (%d)", cid, cid);\r
203 PrintAndLog(" ICR IC Revision : %d",icr );\r
204 PrintAndLog(" Manufactured");\r
205 PrintAndLog(" Year/Quarter : %d/%d",2000+year, quarter );\r
206 PrintAndLog(" Lot ID : %d", lotid );\r
207 PrintAndLog(" Wafer number : %d", wafer);\r
208 PrintAndLog(" Die Number : %d", dw);\r
209 PrintAndLog("-------------------------------------------------------------");\r
210 PrintAndLog(" Raw Data - Page 1");\r
211 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(bitstream+5,32) );\r
212 PrintAndLog(" Block 0 : 0x%08X %s", bl1, sprint_bin(bitstream+37,32) );\r
213 PrintAndLog("-------------------------------------------------------------");\r
214 /*\r
215 TRACE - BLOCK O\r
216 Bits Definition HEX\r
217 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0 \r
218 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation\r
219 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2 \r
220 22-24 ICR IC revision\r
221 25-28 YEAR (BCD encoded) 9 (= 2009)\r
222 29-30 QUARTER 1,2,3,4 \r
223 31-32 LOT ID\r
224 \r
225 TRACE - BLOCK 1\r
226 1-12 LOT ID \r
227 13-17 Wafer number\r
228 18-32 DW, die number sequential\r
229 */\r
230 \r
231 return 0;\r
232}\r
233\r
234int CmdInfo(const char *Cmd){\r
235 /*\r
236 Page 0 Block 0 Configuration data.\r
237 Normal mode\r
238 Extended mode\r
239 */\r
240 char cmdp = param_getchar(Cmd, 0);\r
241\r
242 if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') {\r
243 PrintAndLog("Usage: lf t55xx info [use data from Graphbuffer]");\r
244 PrintAndLog(" [use data from Graphbuffer], if not set, try reading data from tag.");\r
245 PrintAndLog("");\r
246 PrintAndLog(" sample: lf t55xx info");\r
247 PrintAndLog(" sample: lf t55xx info 1");\r
248 return 0;\r
249 }\r
250\r
251 if ( strlen(Cmd) == 0 ){\r
252 CmdReadBlk("0");\r
253 } \r
254\r
255 uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};\r
256\r
257 manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN);\r
258 \r
259 uint8_t si = 5;\r
260 uint32_t bl0 = PackBits(si, 32, bits);\r
261 \r
262 uint32_t safer = PackBits(si, 4, bits); si += 4; \r
263 uint32_t resv = PackBits(si, 7, bits); si += 7;\r
264 uint32_t dbr = PackBits(si, 3, bits); si += 3;\r
265 uint32_t extend = PackBits(si, 1, bits); si += 1;\r
266 uint32_t datamodulation = PackBits(si, 5, bits); si += 5;\r
267 uint32_t pskcf = PackBits(si, 2, bits); si += 2;\r
268 uint32_t aor = PackBits(si, 1, bits); si += 1; \r
269 uint32_t otp = PackBits(si, 1, bits); si += 1; \r
270 uint32_t maxblk = PackBits(si, 3, bits); si += 3;\r
271 uint32_t pwd = PackBits(si, 1, bits); si += 1; \r
272 uint32_t sst = PackBits(si, 1, bits); si += 1; \r
273 uint32_t fw = PackBits(si, 1, bits); si += 1;\r
274 uint32_t inv = PackBits(si, 1, bits); si += 1; \r
275 uint32_t por = PackBits(si, 1, bits); si += 1;\r
276 \r
277 PrintAndLog("");\r
278 PrintAndLog("-- T55xx Configuration --------------------------------------");\r
279 PrintAndLog("-------------------------------------------------------------");\r
280 PrintAndLog(" Safer key : %s", GetSaferStr(safer));\r
281 PrintAndLog(" reserved : %d", resv);\r
282 PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr));\r
283 PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No");\r
284 PrintAndLog(" Modulation : %s", GetModulationStr(datamodulation) );\r
285 PrintAndLog(" PSK clock freq : %d", pskcf);\r
286 PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No");\r
287 PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" );\r
288 PrintAndLog(" Max block : %d", maxblk);\r
289 PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No");\r
290 PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No");\r
291 PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No");\r
292 PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No");\r
293 PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No");\r
294 PrintAndLog("-------------------------------------------------------------");\r
295 PrintAndLog(" Raw Data - Page 0");\r
296 PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(bits+5,32) );\r
297 PrintAndLog("-------------------------------------------------------------");\r
298 \r
299 return 0;\r
300}\r
301\r
302int CmdDump(const char *Cmd){\r
303\r
304 char cmdp = param_getchar(Cmd, 0);\r
305 char s[20];\r
306 uint8_t pwd[4] = {0x00};\r
307 bool hasPwd = ( strlen(Cmd) > 0);\r
308 \r
309 if ( cmdp == 'h' || cmdp == 'H') {\r
310 PrintAndLog("Usage: lf t55xx dump <password>");\r
311 PrintAndLog(" sample: lf t55xx dump FFFFFFFF");\r
312 return 0;\r
313 }\r
314 \r
315 if ( hasPwd ){\r
316 if (param_gethex(Cmd, 0, pwd, 8)) {\r
317 PrintAndLog("password must include 8 HEX symbols");\r
318 return 0;\r
319 }\r
320 }\r
321 \r
322 for ( int i = 0; i <8; ++i){\r
323 memset(s,0,sizeof(s));\r
324 if ( hasPwd ) {\r
325 sprintf(s,"%d %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]);\r
326 CmdReadBlkPWD(s);\r
327 } else {\r
328 sprintf(s,"%d", i);\r
329 CmdReadBlk(s);\r
330 }\r
331 }\r
332 return 0;\r
333}\r
334\r
335int CmdIceFsk(const char *Cmd){\r
336\r
337 if (!HasGraphData()) return 0;\r
338\r
339 iceFsk3(GraphBuffer, LF_TRACE_BUFF_SIZE);\r
340 RepaintGraphWindow();\r
341 return 0;\r
342}\r
343int CmdIceManchester(const char *Cmd){\r
344 ManchesterDemod( -1);\r
345 return 0;\r
346}\r
347int ManchesterDemod(int blockNum){\r
348\r
349 if (!HasGraphData()) return 0;\r
350 \r
351 uint8_t sizebyte = 32;\r
352 // the value 5 was selected during empirical studies of the decoded data. Some signal noise to skip.\r
353 uint8_t offset = 5;\r
354 uint32_t blockData;\r
355 uint8_t bits[LF_BITSSTREAM_LEN] = {0x00};\r
356 uint8_t * bitstream = bits;\r
357 \r
358 //manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream, LF_BITSSTREAM_LEN); \r
359 manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN); \r
360 //blockData = PackBits(offset, sizebyte, bitstream);\r
361 blockData = PackBits(offset, sizebyte, bits);\r
362\r
363 if ( blockNum < 0)\r
364 PrintAndLog(" Decoded : 0x%08X %s", blockData, sprint_bin(bitstream+offset,sizebyte) );\r
365 else\r
366 PrintAndLog(" Block %d : 0x%08X %s", blockNum, blockData, sprint_bin(bitstream+offset,sizebyte) );\r
367 \r
368 return 0;\r
369} \r
370\r
371char * GetBitRateStr(uint32_t id){\r
372 static char buf[40];\r
373 char *retStr = buf;\r
374 switch (id){\r
375 case 0: \r
376 sprintf(retStr,"%d - RF/8",id);\r
377 break;\r
378 case 1:\r
379 sprintf(retStr,"%d - RF/16",id);\r
380 break;\r
381 case 2: \r
382 sprintf(retStr,"%d - RF/32",id);\r
383 break;\r
384 case 3:\r
385 sprintf(retStr,"%d - RF/40",id);\r
386 break;\r
387 case 4:\r
388 sprintf(retStr,"%d - RF/50",id);\r
389 break;\r
390 case 5:\r
391 sprintf(retStr,"%d - RF/64",id);\r
392 break;\r
393 case 6:\r
394 sprintf(retStr,"%d - RF/100",id);\r
395 break;\r
396 case 7:\r
397 sprintf(retStr,"%d - RF/128",id);\r
398 break;\r
399 default:\r
400 sprintf(retStr,"%d - (Unknown)",id);\r
401 break;\r
402 }\r
403\r
404 return buf;\r
405}\r
406\r
407char * GetSaferStr(uint32_t id){\r
408 static char buf[40];\r
409 char *retStr = buf;\r
410 \r
411 sprintf(retStr,"%d",id);\r
412 if (id == 6) {\r
413 sprintf(retStr,"%d - pasdwd",id);\r
414 }\r
415 if (id == 9 ){\r
416 sprintf(retStr,"%d - testmode ",id);\r
417 }\r
418 \r
419 return buf;\r
420}\r
421char * GetModulationStr( uint32_t id){\r
422 static char buf[40];\r
423 char *retStr = buf;\r
424 \r
425 switch (id){\r
426 case 0: \r
427 sprintf(retStr,"%d - DIRECT (ASK/NRZ)",id);\r
428 break;\r
429 case 1:\r
430 sprintf(retStr,"%d - PSK 1 phase change when input changes",id);\r
431 break;\r
432 case 2: \r
433 sprintf(retStr,"%d - PSK 2 phase change on bitclk if input high",id);\r
434 break;\r
435 case 3:\r
436 sprintf(retStr,"%d - PSK 3 phase change on rising edge of input",id);\r
437 break;\r
438 case 4:\r
439 sprintf(retStr,"%d - FSK 1 RF/8 RF/5",id);\r
440 break;\r
441 case 5:\r
442 sprintf(retStr,"%d - FSK 2 RF/8 RF/10",id);\r
443 break;\r
444 case 6:\r
445 sprintf(retStr,"%d - FSK 1a RF/5 RF/8",id);\r
446 break;\r
447 case 7:\r
448 sprintf(retStr,"%d - FSK 2a RF/10 RF/8",id);\r
449 break;\r
450 case 8:\r
451 sprintf(retStr,"%d - Manschester",id);\r
452 break;\r
453 case 16:\r
454 sprintf(retStr,"%d - Biphase",id);\r
455 break;\r
456 case 17:\r
457 sprintf(retStr,"%d - Reserved",id);\r
458 break;\r
459 default:\r
460 sprintf(retStr,"0x%02X (Unknown)",id);\r
461 break;\r
462 }\r
463 return buf;\r
464}\r
465\r
466\r
467uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){\r
468 \r
469 int i = start;\r
470 int j = len-1;\r
471 if (len > 32) {\r
472 return 0;\r
473 }\r
474 uint32_t tmp = 0;\r
475 for (; j >= 0; --j, ++i){\r
476 tmp |= bits[i] << j;\r
477 }\r
478 return tmp;\r
479}\r
480\r
481static command_t CommandTable[] =\r
482{\r
483 {"help", CmdHelp, 1, "This help"},\r
484 {"rd", CmdReadBlk, 0, "<block> -- Read T55xx block data (page 0)"},\r
485 {"rdpwd", CmdReadBlkPWD, 0, "<block> <password> -- Read T55xx block data with password mode"},\r
486 {"wr", CmdWriteBlk, 0, "<data> <block> -- Write T55xx block data (page 0)"},\r
487 {"wrpwd", CmdWriteBlkPWD, 0, "<data> <block> <password> -- Write T55xx block data with password"},\r
488 {"trace", CmdReadTrace, 0, "[1] Read T55xx traceability data (page 1/ blk 0-1)"},\r
489 {"info", CmdInfo, 0, "[1] Read T55xx configuration data (page 0/ blk 0)"},\r
490 {"dump", CmdDump, 0, "[password] Dump T55xx card block 0-7. optional with password"},\r
491 {"fsk", CmdIceFsk, 0, "FSK demod"},\r
492 {"man", CmdIceManchester, 0, "Manchester demod (with SST)"},\r
493 {NULL, NULL, 0, NULL}\r
494};\r
495\r
496int CmdLFT55XX(const char *Cmd)\r
497{\r
498 CmdsParse(CommandTable, Cmd);\r
499 return 0;\r
500}\r
501\r
502int CmdHelp(const char *Cmd)\r
503{\r
504 CmdsHelp(CommandTable);\r
505 return 0;\r
506}\r
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