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[proxmark3-svn] / client / cmdlfem4x.c
1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
3 //
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
6 // the license.
7 //-----------------------------------------------------------------------------
8 // Low frequency EM4x commands
9 //-----------------------------------------------------------------------------
10
11 #include "cmdlfem4x.h"
12
13 uint64_t g_em410xid = 0;
14
15 static int CmdHelp(const char *Cmd);
16
17 int CmdEMdemodASK(const char *Cmd)
18 {
19 char cmdp = param_getchar(Cmd, 0);
20 uint8_t findone = (cmdp == '1') ? 1 : 0;
21 UsbCommand c = {CMD_EM410X_DEMOD, {findone, 0, 0}};
22 SendCommand(&c);
23 return 0;
24 }
25
26 /* Read the ID of an EM410x tag.
27 * Format:
28 * 1111 1111 1 <-- standard non-repeatable header
29 * XXXX [row parity bit] <-- 10 rows of 5 bits for our 40 bit tag ID
30 * ....
31 * CCCC <-- each bit here is parity for the 10 bits above in corresponding column
32 * 0 <-- stop bit, end of tag
33 */
34 int CmdEM410xRead(const char *Cmd)
35 {
36 uint32_t hi=0;
37 uint64_t lo=0;
38
39 if(!AskEm410xDemod("", &hi, &lo, false)) return 0;
40 PrintAndLog("EM410x pattern found: ");
41 printEM410x(hi, lo);
42 if (hi){
43 PrintAndLog ("EM410x XL pattern found");
44 return 0;
45 }
46 g_em410xid = lo;
47 return 1;
48 }
49
50
51 int usage_lf_em410x_sim(void) {
52 PrintAndLog("Simulating EM410x tag");
53 PrintAndLog("");
54 PrintAndLog("Usage: lf em4x em410xsim [h] <uid> <clock>");
55 PrintAndLog("Options:");
56 PrintAndLog(" h - this help");
57 PrintAndLog(" uid - uid (10 HEX symbols)");
58 PrintAndLog(" clock - clock (32|64) (optional)");
59 PrintAndLog("samples:");
60 PrintAndLog(" lf em4x em410xsim 0F0368568B");
61 PrintAndLog(" lf em4x em410xsim 0F0368568B 32");
62 return 0;
63 }
64
65 // emulate an EM410X tag
66 int CmdEM410xSim(const char *Cmd)
67 {
68 int i, n, j, binary[4], parity[4];
69 uint8_t uid[5] = {0x00};
70
71 char cmdp = param_getchar(Cmd, 0);
72 if (cmdp == 'h' || cmdp == 'H') return usage_lf_em410x_sim();
73
74 /* clock is 64 in EM410x tags */
75 uint8_t clock = 64;
76
77 if (param_gethex(Cmd, 0, uid, 10)) {
78 PrintAndLog("UID must include 10 HEX symbols");
79 return 0;
80 }
81
82 param_getdec(Cmd, 1, &clock);
83
84 PrintAndLog("Starting simulating UID %02X%02X%02X%02X%02X clock: %d", uid[0],uid[1],uid[2],uid[3],uid[4],clock);
85 PrintAndLog("Press pm3-button to about simulation");
86
87 /* clear our graph */
88 ClearGraph(0);
89
90 /* write 9 start bits */
91 for (i = 0; i < 9; i++)
92 AppendGraph(0, clock, 1);
93
94 /* for each hex char */
95 parity[0] = parity[1] = parity[2] = parity[3] = 0;
96 for (i = 0; i < 10; i++)
97 {
98 /* read each hex char */
99 sscanf(&Cmd[i], "%1x", &n);
100 for (j = 3; j >= 0; j--, n/= 2)
101 binary[j] = n % 2;
102
103 /* append each bit */
104 AppendGraph(0, clock, binary[0]);
105 AppendGraph(0, clock, binary[1]);
106 AppendGraph(0, clock, binary[2]);
107 AppendGraph(0, clock, binary[3]);
108
109 /* append parity bit */
110 AppendGraph(0, clock, binary[0] ^ binary[1] ^ binary[2] ^ binary[3]);
111
112 /* keep track of column parity */
113 parity[0] ^= binary[0];
114 parity[1] ^= binary[1];
115 parity[2] ^= binary[2];
116 parity[3] ^= binary[3];
117 }
118
119 /* parity columns */
120 AppendGraph(0, clock, parity[0]);
121 AppendGraph(0, clock, parity[1]);
122 AppendGraph(0, clock, parity[2]);
123 AppendGraph(0, clock, parity[3]);
124
125 /* stop bit */
126 AppendGraph(1, clock, 0);
127
128 CmdLFSim("0"); //240 start_gap.
129 return 0;
130 }
131
132 /* Function is equivalent of lf read + data samples + em410xread
133 * looped until an EM410x tag is detected
134 *
135 * Why is CmdSamples("16000")?
136 * TBD: Auto-grow sample size based on detected sample rate. IE: If the
137 * rate gets lower, then grow the number of samples
138 * Changed by martin, 4000 x 4 = 16000,
139 * see http://www.proxmark.org/forum/viewtopic.php?pid=7235#p7235
140 */
141 int CmdEM410xWatch(const char *Cmd)
142 {
143 do {
144 if (ukbhit()) {
145 printf("\naborted via keyboard!\n");
146 break;
147 }
148
149 CmdLFRead("s");
150 getSamples("8201",true); //capture enough to get 2 complete preambles (4096*2+9)
151 } while (!CmdEM410xRead(""));
152
153 return 0;
154 }
155
156 //currently only supports manchester modulations
157 // todo: helptext
158 int CmdEM410xWatchnSpoof(const char *Cmd)
159 {
160 // loops if the captured ID was in XL-format.
161 CmdEM410xWatch(Cmd);
162 PrintAndLog("# Replaying captured ID: %llu", g_em410xid);
163 CmdLFaskSim("");
164 return 0;
165 }
166
167 int CmdEM410xWrite(const char *Cmd)
168 {
169 uint64_t id = 0xFFFFFFFFFFFFFFFF; // invalid id value
170 int card = 0xFF; // invalid card value
171 uint32_t clock = 0; // invalid clock value
172
173 sscanf(Cmd, "%" PRIx64 " %d %d", &id, &card, &clock);
174
175 // Check ID
176 if (id == 0xFFFFFFFFFFFFFFFF) {
177 PrintAndLog("Error! ID is required.\n");
178 return 0;
179 }
180 if (id >= 0x10000000000) {
181 PrintAndLog("Error! Given EM410x ID is longer than 40 bits.\n");
182 return 0;
183 }
184
185 // Check Card
186 if (card == 0xFF) {
187 PrintAndLog("Error! Card type required.\n");
188 return 0;
189 }
190 if (card < 0) {
191 PrintAndLog("Error! Bad card type selected.\n");
192 return 0;
193 }
194
195 // Check Clock
196 // Default: 64
197 if (clock == 0)
198 clock = 64;
199
200 // Allowed clock rates: 16, 32, 40 and 64
201 if ((clock != 16) && (clock != 32) && (clock != 64) && (clock != 40)) {
202 PrintAndLog("Error! Clock rate %d not valid. Supported clock rates are 16, 32, 40 and 64.\n", clock);
203 return 0;
204 }
205
206 if (card == 1) {
207 PrintAndLog("Writing %s tag with UID 0x%010" PRIx64 " (clock rate: %d)", "T55x7", id, clock);
208 // NOTE: We really should pass the clock in as a separate argument, but to
209 // provide for backwards-compatibility for older firmware, and to avoid
210 // having to add another argument to CMD_EM410X_WRITE_TAG, we just store
211 // the clock rate in bits 8-15 of the card value
212 card = (card & 0xFF) | ((clock << 8) & 0xFF00);
213 } else if (card == 0) {
214 PrintAndLog("Writing %s tag with UID 0x%010" PRIx64, "T5555", id, clock);
215 card = (card & 0xFF) | ((clock << 8) & 0xFF00);
216 } else {
217 PrintAndLog("Error! Bad card type selected.\n");
218 return 0;
219 }
220
221 UsbCommand c = {CMD_EM410X_WRITE_TAG, {card, (uint32_t)(id >> 32), (uint32_t)id}};
222 SendCommand(&c);
223 return 0;
224 }
225
226 bool EM_EndParityTest(uint8_t *BitStream, size_t size, uint8_t rows, uint8_t cols, uint8_t pType)
227 {
228 if (rows*cols>size) return false;
229 uint8_t colP=0;
230 //assume last col is a parity and do not test
231 for (uint8_t colNum = 0; colNum < cols-1; colNum++) {
232 for (uint8_t rowNum = 0; rowNum < rows; rowNum++) {
233 colP ^= BitStream[(rowNum*cols)+colNum];
234 }
235 if (colP != pType) return false;
236 }
237 return true;
238 }
239
240 bool EM_ByteParityTest(uint8_t *BitStream, size_t size, uint8_t rows, uint8_t cols, uint8_t pType)
241 {
242 if (rows*cols>size) return false;
243 uint8_t rowP=0;
244 //assume last row is a parity row and do not test
245 for (uint8_t rowNum = 0; rowNum < rows-1; rowNum++) {
246 for (uint8_t colNum = 0; colNum < cols; colNum++) {
247 rowP ^= BitStream[(rowNum*cols)+colNum];
248 }
249 if (rowP != pType) return false;
250 }
251 return true;
252 }
253
254 uint32_t OutputEM4x50_Block(uint8_t *BitStream, size_t size, bool verbose, bool pTest)
255 {
256 if (size<45) return 0;
257
258 uint32_t code = bytebits_to_byte(BitStream,8);
259 code = code<<8 | bytebits_to_byte(BitStream+9,8);
260 code = code<<8 | bytebits_to_byte(BitStream+18,8);
261 code = code<<8 | bytebits_to_byte(BitStream+27,8);
262
263 if (verbose || g_debugMode){
264 for (uint8_t i = 0; i<5; i++){
265 if (i == 4) PrintAndLog(""); //parity byte spacer
266 PrintAndLog("%d%d%d%d%d%d%d%d %d -> 0x%02x",
267 BitStream[i*9],
268 BitStream[i*9+1],
269 BitStream[i*9+2],
270 BitStream[i*9+3],
271 BitStream[i*9+4],
272 BitStream[i*9+5],
273 BitStream[i*9+6],
274 BitStream[i*9+7],
275 BitStream[i*9+8],
276 bytebits_to_byte(BitStream+i*9,8)
277 );
278 }
279 if (pTest)
280 PrintAndLog("Parity Passed");
281 else
282 PrintAndLog("Parity Failed");
283 }
284 return code;
285 }
286 /* Read the transmitted data of an EM4x50 tag
287 * Format:
288 *
289 * XXXXXXXX [row parity bit (even)] <- 8 bits plus parity
290 * XXXXXXXX [row parity bit (even)] <- 8 bits plus parity
291 * XXXXXXXX [row parity bit (even)] <- 8 bits plus parity
292 * XXXXXXXX [row parity bit (even)] <- 8 bits plus parity
293 * CCCCCCCC <- column parity bits
294 * 0 <- stop bit
295 * LW <- Listen Window
296 *
297 * This pattern repeats for every block of data being transmitted.
298 * Transmission starts with two Listen Windows (LW - a modulated
299 * pattern of 320 cycles each (32/32/128/64/64)).
300 *
301 * Note that this data may or may not be the UID. It is whatever data
302 * is stored in the blocks defined in the control word First and Last
303 * Word Read values. UID is stored in block 32.
304 */
305 //completed by Marshmellow
306 int EM4x50Read(const char *Cmd, bool verbose)
307 {
308 /*
309 char buf[30] = {0x00};
310 char *cmdStr = buf;
311 int ans = 0;
312 bool ST = config.ST;
313 uint8_t bitRate[8] = {8,16,32,40,50,64,100,128};
314 DemodBufferLen = 0x00;
315 snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted );
316 ans = ASKDemod_ext(cmdStr, FALSE, FALSE, 1, &ST);
317 snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted );
318 ans = ASKbiphaseDemod(cmdStr, FALSE);
319 */
320
321 uint8_t fndClk[] = {8,16,32,40,50,64,128};
322 int clk = 0;
323 int invert = 0;
324 int tol = 0;
325 int i, j, startblock, skip, block, start, end, low, high, minClk;
326 bool complete = false;
327 int tmpbuff[MAX_GRAPH_TRACE_LEN / 64];
328 uint32_t Code[6];
329 char tmp[6];
330 char tmp2[20];
331 int phaseoff;
332 high = low = 0;
333 memset(tmpbuff, 0, MAX_GRAPH_TRACE_LEN / 64);
334
335 // get user entry if any
336 sscanf(Cmd, "%i %i", &clk, &invert);
337
338 // save GraphBuffer - to restore it later
339 save_restoreGB(1);
340
341 // first get high and low values
342 for (i = 0; i < GraphTraceLen; i++) {
343 if (GraphBuffer[i] > high)
344 high = GraphBuffer[i];
345 else if (GraphBuffer[i] < low)
346 low = GraphBuffer[i];
347 }
348
349 i = 0;
350 j = 0;
351 minClk = 255;
352 // get to first full low to prime loop and skip incomplete first pulse
353 while ((GraphBuffer[i] < high) && (i < GraphTraceLen))
354 ++i;
355 while ((GraphBuffer[i] > low) && (i < GraphTraceLen))
356 ++i;
357 skip = i;
358
359 // populate tmpbuff buffer with pulse lengths
360 while (i < GraphTraceLen) {
361 // measure from low to low
362 while ((GraphBuffer[i] > low) && (i < GraphTraceLen))
363 ++i;
364 start= i;
365 while ((GraphBuffer[i] < high) && (i < GraphTraceLen))
366 ++i;
367 while ((GraphBuffer[i] > low) && (i < GraphTraceLen))
368 ++i;
369 if (j>=(MAX_GRAPH_TRACE_LEN/64)) {
370 break;
371 }
372 tmpbuff[j++]= i - start;
373 if (i-start < minClk && i < GraphTraceLen) {
374 minClk = i - start;
375 }
376 }
377 // set clock
378 if (!clk) {
379 for (uint8_t clkCnt = 0; clkCnt<7; clkCnt++) {
380 tol = fndClk[clkCnt]/8;
381 if (minClk >= fndClk[clkCnt]-tol && minClk <= fndClk[clkCnt]+1) {
382 clk=fndClk[clkCnt];
383 break;
384 }
385 }
386 if (!clk) {
387 PrintAndLog("ERROR: EM4x50 - didn't find a clock");
388 return 0;
389 }
390 } else tol = clk/8;
391
392 // look for data start - should be 2 pairs of LW (pulses of clk*3,clk*2)
393 start = -1;
394 for (i= 0; i < j - 4 ; ++i) {
395 skip += tmpbuff[i];
396 if (tmpbuff[i] >= clk*3-tol && tmpbuff[i] <= clk*3+tol) //3 clocks
397 if (tmpbuff[i+1] >= clk*2-tol && tmpbuff[i+1] <= clk*2+tol) //2 clocks
398 if (tmpbuff[i+2] >= clk*3-tol && tmpbuff[i+2] <= clk*3+tol) //3 clocks
399 if (tmpbuff[i+3] >= clk-tol) //1.5 to 2 clocks - depends on bit following
400 {
401 start= i + 4;
402 break;
403 }
404 }
405 startblock = i + 4;
406
407 // skip over the remainder of LW
408 skip += tmpbuff[i+1] + tmpbuff[i+2] + clk;
409 if (tmpbuff[i+3]>clk)
410 phaseoff = tmpbuff[i+3]-clk;
411 else
412 phaseoff = 0;
413 // now do it again to find the end
414 end = skip;
415 for (i += 3; i < j - 4 ; ++i) {
416 end += tmpbuff[i];
417 if (tmpbuff[i] >= clk*3-tol && tmpbuff[i] <= clk*3+tol) //3 clocks
418 if (tmpbuff[i+1] >= clk*2-tol && tmpbuff[i+1] <= clk*2+tol) //2 clocks
419 if (tmpbuff[i+2] >= clk*3-tol && tmpbuff[i+2] <= clk*3+tol) //3 clocks
420 if (tmpbuff[i+3] >= clk-tol) //1.5 to 2 clocks - depends on bit following
421 {
422 complete= true;
423 break;
424 }
425 }
426 end = i;
427 // report back
428 if (verbose || g_debugMode) {
429 if (start >= 0) {
430 PrintAndLog("\nNote: one block = 50 bits (32 data, 12 parity, 6 marker)");
431 } else {
432 PrintAndLog("No data found!, clock tried:%d",clk);
433 PrintAndLog("Try again with more samples.");
434 PrintAndLog(" or after a 'data askedge' command to clean up the read");
435 return 0;
436 }
437 } else if (start < 0) return 0;
438 start = skip;
439 snprintf(tmp2, sizeof(tmp2),"%d %d 1000 %d", clk, invert, clk*47);
440 // get rid of leading crap
441 snprintf(tmp, sizeof(tmp), "%i", skip);
442 CmdLtrim(tmp);
443 bool pTest;
444 bool AllPTest = true;
445 // now work through remaining buffer printing out data blocks
446 block = 0;
447 i = startblock;
448 while (block < 6) {
449 if (verbose || g_debugMode) PrintAndLog("\nBlock %i:", block);
450 skip = phaseoff;
451
452 // look for LW before start of next block
453 for ( ; i < j - 4 ; ++i) {
454 skip += tmpbuff[i];
455 if (tmpbuff[i] >= clk*3-tol && tmpbuff[i] <= clk*3+tol)
456 if (tmpbuff[i+1] >= clk-tol)
457 break;
458 }
459 if (i >= j-4) break; //next LW not found
460 skip += clk;
461 if (tmpbuff[i+1]>clk)
462 phaseoff = tmpbuff[i+1]-clk;
463 else
464 phaseoff = 0;
465 i += 2;
466 if (ASKDemod(tmp2, false, false, 1) < 1) {
467 save_restoreGB(0);
468 return 0;
469 }
470 //set DemodBufferLen to just one block
471 DemodBufferLen = skip/clk;
472 //test parities
473 pTest = EM_ByteParityTest(DemodBuffer,DemodBufferLen,5,9,0);
474 pTest &= EM_EndParityTest(DemodBuffer,DemodBufferLen,5,9,0);
475 AllPTest &= pTest;
476 //get output
477 Code[block] = OutputEM4x50_Block(DemodBuffer,DemodBufferLen,verbose, pTest);
478 if (g_debugMode) PrintAndLog("\nskipping %d samples, bits:%d", skip, skip/clk);
479 //skip to start of next block
480 snprintf(tmp,sizeof(tmp),"%i",skip);
481 CmdLtrim(tmp);
482 block++;
483 if (i >= end) break; //in case chip doesn't output 6 blocks
484 }
485 //print full code:
486 if (verbose || g_debugMode || AllPTest){
487 if (!complete) {
488 PrintAndLog("*** Warning!");
489 PrintAndLog("Partial data - no end found!");
490 PrintAndLog("Try again with more samples.");
491 }
492 PrintAndLog("Found data at sample: %i - using clock: %i", start, clk);
493 end = block;
494 for (block=0; block < end; block++){
495 PrintAndLog("Block %d: %08x",block,Code[block]);
496 }
497 if (AllPTest) {
498 PrintAndLog("Parities Passed");
499 } else {
500 PrintAndLog("Parities Failed");
501 PrintAndLog("Try cleaning the read samples with 'data askedge'");
502 }
503 }
504
505 //restore GraphBuffer
506 save_restoreGB(0);
507 return (int)AllPTest;
508 }
509
510 int CmdEM4x50Read(const char *Cmd) {
511 return EM4x50Read(Cmd, true);
512 }
513
514 int usage_lf_em_read(void) {
515 PrintAndLog("Read EM4x50. Tag must be on antenna. ");
516 PrintAndLog("");
517 PrintAndLog("Usage: lf em readword [h] <address> <pwd>");
518 PrintAndLog("Options:");
519 PrintAndLog(" h - this help");
520 PrintAndLog(" address - memory address to read. (0-15)");
521 PrintAndLog(" pwd - password (hex) (optional)");
522 PrintAndLog("samples:");
523 PrintAndLog(" lf em readword 1");
524 PrintAndLog(" lf em readword 1 11223344");
525 return 0;
526 }
527 int CmdReadWord(const char *Cmd) {
528 int addr, pwd;
529 bool usePwd = false;
530 uint8_t ctmp = param_getchar(Cmd, 0);
531 if ( strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_read();
532
533 addr = param_get8ex(Cmd, 0, -1, 10);
534 pwd = param_get32ex(Cmd, 1, -1, 16);
535
536 if ( (addr > 15) || (addr < 0 ) || ( addr == -1) ) {
537 PrintAndLog("Address must be between 0 and 15");
538 return 1;
539 }
540 if ( pwd == -1 )
541 PrintAndLog("Reading address %d", addr);
542 else {
543 usePwd = true;
544 PrintAndLog("Reading address %d | password %08X", addr, pwd);
545 }
546
547 UsbCommand c = {CMD_EM4X_READ_WORD, {addr, pwd, usePwd}};
548 clearCommandBuffer();
549 SendCommand(&c);
550 UsbCommand resp;
551 if (!WaitForResponseTimeout(CMD_ACK, &resp, 2500)){
552 PrintAndLog("Command timed out");
553 return -1;
554 }
555
556 //uint8_t got[12288];
557 uint8_t got[30000];
558 GetFromBigBuf(got, sizeof(got), 0);
559 if ( !WaitForResponseTimeout(CMD_ACK, NULL, 8000) ) {
560 PrintAndLog("command execution time out");
561 return 0;
562 }
563 setGraphBuf(got, sizeof(got));
564 return 1;
565 }
566
567 int usage_lf_em_write(void) {
568 PrintAndLog("Write EM4x50. Tag must be on antenna. ");
569 PrintAndLog("");
570 PrintAndLog("Usage: lf em writeword [h] <address> <data> <pwd>");
571 PrintAndLog("Options:");
572 PrintAndLog(" h - this help");
573 PrintAndLog(" address - memory address to write to. (0-15)");
574 PrintAndLog(" data - data to write (hex)");
575 PrintAndLog(" pwd - password (hex) (optional)");
576 PrintAndLog("samples:");
577 PrintAndLog(" lf em writeword 1");
578 PrintAndLog(" lf em writeword 1 deadc0de 11223344");
579 return 0;
580 }
581 int CmdWriteWord(const char *Cmd) {
582 uint8_t ctmp = param_getchar(Cmd, 0);
583 if ( strlen(Cmd) == 0 || ctmp == 'H' || ctmp == 'h' ) return usage_lf_em_write();
584
585 bool usePwd = false;
586
587 int addr = 16; // default to invalid address
588 int data = 0xFFFFFFFF; // default to blank data
589 int pwd = 0xFFFFFFFF; // default to blank password
590
591 addr = param_get8ex(Cmd, 0, -1, 10);
592 data = param_get32ex(Cmd, 1, -1, 16);
593 pwd = param_get32ex(Cmd, 2, -1, 16);
594
595
596 if ( (addr > 15) || (addr < 0 ) || ( addr == -1) ) {
597 PrintAndLog("Address must be between 0 and 15");
598 return 1;
599 }
600 if ( pwd == -1 )
601 PrintAndLog("Writing address %d data %08X", addr, data);
602 else {
603 usePwd = true;
604 PrintAndLog("Writing address %d data %08X using password %08X", addr, data, pwd);
605 }
606
607 uint16_t flag = (addr << 8 ) | usePwd;
608
609 UsbCommand c = {CMD_EM4X_WRITE_WORD, {flag, data, pwd}};
610 clearCommandBuffer();
611 SendCommand(&c);
612 UsbCommand resp;
613 if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
614 PrintAndLog("Error occurred, device did not respond during write operation.");
615 return -1;
616 }
617 return 0;
618 }
619
620 static command_t CommandTable[] = {
621 {"help", CmdHelp, 1, "This help"},
622 {"em410xdemod", CmdEMdemodASK, 0, "[findone] -- Extract ID from EM410x tag (option 0 for continuous loop, 1 for only 1 tag)"},
623 {"em410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag in GraphBuffer"},
624 {"em410xsim", CmdEM410xSim, 0, "<UID> -- Simulate EM410x tag"},
625 {"em410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"},
626 {"em410xspoof", CmdEM410xWatchnSpoof, 0, "['h'] --- Watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" },
627 {"em410xwrite", CmdEM410xWrite, 0, "<UID> <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"},
628 {"em4x50read", CmdEM4x50Read, 1, "Extract data from EM4x50 tag"},
629 {"readword", CmdReadWord, 1, "Read EM4xxx data"},
630 {"writeword", CmdWriteWord, 1, "Write EM4xxx data"},
631 {NULL, NULL, 0, NULL}
632 };
633
634 int CmdLFEM4X(const char *Cmd) {
635 clearCommandBuffer();
636 CmdsParse(CommandTable, Cmd);
637 return 0;
638 }
639
640 int CmdHelp(const char *Cmd) {
641 CmdsHelp(CommandTable);
642 return 0;
643 }
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