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a553f267 | 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 | ||
7fe9b0b7 | 11 | #include <stdio.h> |
9e13f875 | 12 | #include <string.h> |
ec564290 | 13 | #include <inttypes.h> |
902cb3c0 | 14 | #include "proxmark3.h" |
7fe9b0b7 | 15 | #include "ui.h" |
3fe4ff4f | 16 | #include "util.h" |
7fe9b0b7 | 17 | #include "graph.h" |
18 | #include "cmdparser.h" | |
19 | #include "cmddata.h" | |
20 | #include "cmdlf.h" | |
21 | #include "cmdlfem4x.h" | |
23f0a7d8 | 22 | #include "lfdemod.h" |
c3bfb9c7 | 23 | char *global_em410xId; |
7fe9b0b7 | 24 | |
25 | static int CmdHelp(const char *Cmd); | |
26 | ||
66707a3b | 27 | int CmdEMdemodASK(const char *Cmd) |
28 | { | |
3fe4ff4f | 29 | char cmdp = param_getchar(Cmd, 0); |
cc15a118 | 30 | int findone = (cmdp == '1') ? 1 : 0; |
23f0a7d8 | 31 | UsbCommand c={CMD_EM410X_DEMOD}; |
32 | c.arg[0]=findone; | |
33 | SendCommand(&c); | |
34 | return 0; | |
66707a3b | 35 | } |
36 | ||
7fe9b0b7 | 37 | /* Read the ID of an EM410x tag. |
38 | * Format: | |
39 | * 1111 1111 1 <-- standard non-repeatable header | |
40 | * XXXX [row parity bit] <-- 10 rows of 5 bits for our 40 bit tag ID | |
41 | * .... | |
42 | * CCCC <-- each bit here is parity for the 10 bits above in corresponding column | |
43 | * 0 <-- stop bit, end of tag | |
44 | */ | |
45 | int CmdEM410xRead(const char *Cmd) | |
46 | { | |
23f0a7d8 | 47 | uint32_t hi=0; |
48 | uint64_t lo=0; | |
49 | ||
fef74fdc | 50 | if(!AskEm410xDemod("", &hi, &lo, false)) return 0; |
23f0a7d8 | 51 | PrintAndLog("EM410x pattern found: "); |
52 | printEM410x(hi, lo); | |
53 | if (hi){ | |
54 | PrintAndLog ("EM410x XL pattern found"); | |
55 | return 0; | |
56 | } | |
57 | char id[12] = {0x00}; | |
58 | sprintf(id, "%010llx",lo); | |
59 | ||
60 | global_em410xId = id; | |
61 | return 1; | |
7fe9b0b7 | 62 | } |
63 | ||
13d77ef9 | 64 | // emulate an EM410X tag |
7fe9b0b7 | 65 | int CmdEM410xSim(const char *Cmd) |
66 | { | |
3fe4ff4f | 67 | int i, n, j, binary[4], parity[4]; |
68 | ||
69 | char cmdp = param_getchar(Cmd, 0); | |
70 | uint8_t uid[5] = {0x00}; | |
71 | ||
72 | if (cmdp == 'h' || cmdp == 'H') { | |
73 | PrintAndLog("Usage: lf em4x 410xsim <UID>"); | |
74 | PrintAndLog(""); | |
75 | PrintAndLog(" sample: lf em4x 410xsim 0F0368568B"); | |
76 | return 0; | |
77 | } | |
78 | ||
79 | if (param_gethex(Cmd, 0, uid, 10)) { | |
80 | PrintAndLog("UID must include 10 HEX symbols"); | |
81 | return 0; | |
82 | } | |
83 | ||
84 | PrintAndLog("Starting simulating UID %02X%02X%02X%02X%02X", uid[0],uid[1],uid[2],uid[3],uid[4]); | |
85 | PrintAndLog("Press pm3-button to about simulation"); | |
7fe9b0b7 | 86 | |
23f0a7d8 | 87 | /* clock is 64 in EM410x tags */ |
88 | int clock = 64; | |
89 | ||
90 | /* clear our graph */ | |
91 | ClearGraph(0); | |
92 | ||
93 | /* write 9 start bits */ | |
94 | for (i = 0; i < 9; i++) | |
95 | AppendGraph(0, clock, 1); | |
96 | ||
97 | /* for each hex char */ | |
98 | parity[0] = parity[1] = parity[2] = parity[3] = 0; | |
99 | for (i = 0; i < 10; i++) | |
100 | { | |
101 | /* read each hex char */ | |
102 | sscanf(&Cmd[i], "%1x", &n); | |
103 | for (j = 3; j >= 0; j--, n/= 2) | |
104 | binary[j] = n % 2; | |
105 | ||
106 | /* append each bit */ | |
107 | AppendGraph(0, clock, binary[0]); | |
108 | AppendGraph(0, clock, binary[1]); | |
109 | AppendGraph(0, clock, binary[2]); | |
110 | AppendGraph(0, clock, binary[3]); | |
111 | ||
112 | /* append parity bit */ | |
113 | AppendGraph(0, clock, binary[0] ^ binary[1] ^ binary[2] ^ binary[3]); | |
114 | ||
115 | /* keep track of column parity */ | |
116 | parity[0] ^= binary[0]; | |
117 | parity[1] ^= binary[1]; | |
118 | parity[2] ^= binary[2]; | |
119 | parity[3] ^= binary[3]; | |
120 | } | |
121 | ||
122 | /* parity columns */ | |
123 | AppendGraph(0, clock, parity[0]); | |
124 | AppendGraph(0, clock, parity[1]); | |
125 | AppendGraph(0, clock, parity[2]); | |
126 | AppendGraph(0, clock, parity[3]); | |
127 | ||
128 | /* stop bit */ | |
129 | AppendGraph(1, clock, 0); | |
3fe4ff4f | 130 | |
23f0a7d8 | 131 | CmdLFSim("0"); //240 start_gap. |
132 | return 0; | |
7fe9b0b7 | 133 | } |
134 | ||
3fe4ff4f | 135 | /* Function is equivalent of lf read + data samples + em410xread |
136 | * looped until an EM410x tag is detected | |
137 | * | |
138 | * Why is CmdSamples("16000")? | |
139 | * TBD: Auto-grow sample size based on detected sample rate. IE: If the | |
140 | * rate gets lower, then grow the number of samples | |
141 | * Changed by martin, 4000 x 4 = 16000, | |
142 | * see http://www.proxmark.org/forum/viewtopic.php?pid=7235#p7235 | |
3fe4ff4f | 143 | */ |
7fe9b0b7 | 144 | int CmdEM410xWatch(const char *Cmd) |
145 | { | |
3fe4ff4f | 146 | do { |
147 | if (ukbhit()) { | |
148 | printf("\naborted via keyboard!\n"); | |
149 | break; | |
150 | } | |
151 | ||
1fbf8956 | 152 | CmdLFRead("s"); |
2767fc02 | 153 | getSamples("8201",true); //capture enough to get 2 complete preambles (4096*2+9) |
13d77ef9 | 154 | } while (!CmdEM410xRead("")); |
155 | ||
3fe4ff4f | 156 | return 0; |
7fe9b0b7 | 157 | } |
158 | ||
23f0a7d8 | 159 | //currently only supports manchester modulations |
c3bfb9c7 | 160 | int CmdEM410xWatchnSpoof(const char *Cmd) |
161 | { | |
162 | CmdEM410xWatch(Cmd); | |
1fbf8956 | 163 | PrintAndLog("# Replaying captured ID: %s",global_em410xId); |
164 | CmdLFaskSim(""); | |
165 | return 0; | |
c3bfb9c7 | 166 | } |
167 | ||
6e984446 | 168 | int CmdEM410xWrite(const char *Cmd) |
169 | { | |
170 | uint64_t id = 0xFFFFFFFFFFFFFFFF; // invalid id value | |
171 | int card = 0xFF; // invalid card value | |
172 | unsigned int clock = 0; // invalid clock value | |
173 | ||
174 | sscanf(Cmd, "%" PRIx64 " %d %d", &id, &card, &clock); | |
175 | ||
176 | // Check ID | |
177 | if (id == 0xFFFFFFFFFFFFFFFF) { | |
178 | PrintAndLog("Error! ID is required.\n"); | |
179 | return 0; | |
180 | } | |
181 | if (id >= 0x10000000000) { | |
182 | PrintAndLog("Error! Given EM410x ID is longer than 40 bits.\n"); | |
183 | return 0; | |
184 | } | |
185 | ||
186 | // Check Card | |
187 | if (card == 0xFF) { | |
188 | PrintAndLog("Error! Card type required.\n"); | |
189 | return 0; | |
190 | } | |
191 | if (card < 0) { | |
192 | PrintAndLog("Error! Bad card type selected.\n"); | |
193 | return 0; | |
194 | } | |
195 | ||
196 | // Check Clock | |
197 | if (card == 1) | |
198 | { | |
199 | // Default: 64 | |
200 | if (clock == 0) | |
201 | clock = 64; | |
202 | ||
203 | // Allowed clock rates: 16, 32 and 64 | |
204 | if ((clock != 16) && (clock != 32) && (clock != 64)) { | |
205 | PrintAndLog("Error! Clock rate %d not valid. Supported clock rates are 16, 32 and 64.\n", clock); | |
206 | return 0; | |
207 | } | |
208 | } | |
209 | else if (clock != 0) | |
210 | { | |
211 | PrintAndLog("Error! Clock rate is only supported on T55x7 tags.\n"); | |
212 | return 0; | |
213 | } | |
214 | ||
215 | if (card == 1) { | |
216 | PrintAndLog("Writing %s tag with UID 0x%010" PRIx64 " (clock rate: %d)", "T55x7", id, clock); | |
217 | // NOTE: We really should pass the clock in as a separate argument, but to | |
218 | // provide for backwards-compatibility for older firmware, and to avoid | |
219 | // having to add another argument to CMD_EM410X_WRITE_TAG, we just store | |
220 | // the clock rate in bits 8-15 of the card value | |
221 | card = (card & 0xFF) | (((uint64_t)clock << 8) & 0xFF00); | |
222 | } | |
223 | else if (card == 0) | |
224 | PrintAndLog("Writing %s tag with UID 0x%010" PRIx64, "T5555", id, clock); | |
225 | else { | |
226 | PrintAndLog("Error! Bad card type selected.\n"); | |
227 | return 0; | |
228 | } | |
229 | ||
230 | UsbCommand c = {CMD_EM410X_WRITE_TAG, {card, (uint32_t)(id >> 32), (uint32_t)id}}; | |
231 | SendCommand(&c); | |
232 | ||
233 | return 0; | |
234 | } | |
235 | ||
23f0a7d8 | 236 | bool EM_EndParityTest(uint8_t *BitStream, size_t size, uint8_t rows, uint8_t cols, uint8_t pType) |
237 | { | |
238 | if (rows*cols>size) return false; | |
239 | uint8_t colP=0; | |
cc15a118 | 240 | //assume last col is a parity and do not test |
23f0a7d8 | 241 | for (uint8_t colNum = 0; colNum < cols-1; colNum++) { |
242 | for (uint8_t rowNum = 0; rowNum < rows; rowNum++) { | |
243 | colP ^= BitStream[(rowNum*cols)+colNum]; | |
244 | } | |
245 | if (colP != pType) return false; | |
246 | } | |
247 | return true; | |
248 | } | |
249 | ||
250 | bool EM_ByteParityTest(uint8_t *BitStream, size_t size, uint8_t rows, uint8_t cols, uint8_t pType) | |
251 | { | |
252 | if (rows*cols>size) return false; | |
253 | uint8_t rowP=0; | |
254 | //assume last row is a parity row and do not test | |
255 | for (uint8_t rowNum = 0; rowNum < rows-1; rowNum++) { | |
256 | for (uint8_t colNum = 0; colNum < cols; colNum++) { | |
257 | rowP ^= BitStream[(rowNum*cols)+colNum]; | |
258 | } | |
259 | if (rowP != pType) return false; | |
260 | } | |
261 | return true; | |
262 | } | |
263 | ||
264 | uint32_t OutputEM4x50_Block(uint8_t *BitStream, size_t size, bool verbose, bool pTest) | |
265 | { | |
266 | if (size<45) return 0; | |
267 | uint32_t code = bytebits_to_byte(BitStream,8); | |
268 | code = code<<8 | bytebits_to_byte(BitStream+9,8); | |
269 | code = code<<8 | bytebits_to_byte(BitStream+18,8); | |
270 | code = code<<8 | bytebits_to_byte(BitStream+27,8); | |
271 | if (verbose || g_debugMode){ | |
272 | for (uint8_t i = 0; i<5; i++){ | |
cc15a118 | 273 | if (i == 4) PrintAndLog(""); //parity byte spacer |
23f0a7d8 | 274 | PrintAndLog("%d%d%d%d%d%d%d%d %d -> 0x%02x", |
275 | BitStream[i*9], | |
276 | BitStream[i*9+1], | |
277 | BitStream[i*9+2], | |
278 | BitStream[i*9+3], | |
279 | BitStream[i*9+4], | |
280 | BitStream[i*9+5], | |
281 | BitStream[i*9+6], | |
282 | BitStream[i*9+7], | |
283 | BitStream[i*9+8], | |
284 | bytebits_to_byte(BitStream+i*9,8) | |
285 | ); | |
286 | } | |
287 | if (pTest) | |
288 | PrintAndLog("Parity Passed"); | |
289 | else | |
290 | PrintAndLog("Parity Failed"); | |
291 | } | |
23f0a7d8 | 292 | return code; |
293 | } | |
7fe9b0b7 | 294 | /* Read the transmitted data of an EM4x50 tag |
295 | * Format: | |
296 | * | |
297 | * XXXXXXXX [row parity bit (even)] <- 8 bits plus parity | |
298 | * XXXXXXXX [row parity bit (even)] <- 8 bits plus parity | |
299 | * XXXXXXXX [row parity bit (even)] <- 8 bits plus parity | |
300 | * XXXXXXXX [row parity bit (even)] <- 8 bits plus parity | |
301 | * CCCCCCCC <- column parity bits | |
302 | * 0 <- stop bit | |
303 | * LW <- Listen Window | |
304 | * | |
305 | * This pattern repeats for every block of data being transmitted. | |
306 | * Transmission starts with two Listen Windows (LW - a modulated | |
307 | * pattern of 320 cycles each (32/32/128/64/64)). | |
308 | * | |
309 | * Note that this data may or may not be the UID. It is whatever data | |
310 | * is stored in the blocks defined in the control word First and Last | |
311 | * Word Read values. UID is stored in block 32. | |
312 | */ | |
cc15a118 | 313 | //completed by Marshmellow |
23f0a7d8 | 314 | int EM4x50Read(const char *Cmd, bool verbose) |
315 | { | |
cc15a118 | 316 | uint8_t fndClk[] = {8,16,32,40,50,64,128}; |
23f0a7d8 | 317 | int clk = 0; |
318 | int invert = 0; | |
23f0a7d8 | 319 | int tol = 0; |
320 | int i, j, startblock, skip, block, start, end, low, high, minClk; | |
cc15a118 | 321 | bool complete = false; |
23f0a7d8 | 322 | int tmpbuff[MAX_GRAPH_TRACE_LEN / 64]; |
23f0a7d8 | 323 | uint32_t Code[6]; |
324 | char tmp[6]; | |
23f0a7d8 | 325 | char tmp2[20]; |
49bbc60a | 326 | int phaseoff; |
cc15a118 | 327 | high = low = 0; |
23f0a7d8 | 328 | memset(tmpbuff, 0, MAX_GRAPH_TRACE_LEN / 64); |
cc15a118 | 329 | |
330 | // get user entry if any | |
331 | sscanf(Cmd, "%i %i", &clk, &invert); | |
332 | ||
333 | // save GraphBuffer - to restore it later | |
334 | save_restoreGB(1); | |
335 | ||
23f0a7d8 | 336 | // first get high and low values |
cc15a118 | 337 | for (i = 0; i < GraphTraceLen; i++) { |
23f0a7d8 | 338 | if (GraphBuffer[i] > high) |
339 | high = GraphBuffer[i]; | |
340 | else if (GraphBuffer[i] < low) | |
341 | low = GraphBuffer[i]; | |
342 | } | |
343 | ||
cc15a118 | 344 | i = 0; |
345 | j = 0; | |
346 | minClk = 255; | |
347 | // get to first full low to prime loop and skip incomplete first pulse | |
348 | while ((GraphBuffer[i] < high) && (i < GraphTraceLen)) | |
349 | ++i; | |
350 | while ((GraphBuffer[i] > low) && (i < GraphTraceLen)) | |
351 | ++i; | |
352 | skip = i; | |
353 | ||
354 | // populate tmpbuff buffer with pulse lengths | |
355 | while (i < GraphTraceLen) { | |
23f0a7d8 | 356 | // measure from low to low |
cc15a118 | 357 | while ((GraphBuffer[i] > low) && (i < GraphTraceLen)) |
23f0a7d8 | 358 | ++i; |
359 | start= i; | |
cc15a118 | 360 | while ((GraphBuffer[i] < high) && (i < GraphTraceLen)) |
23f0a7d8 | 361 | ++i; |
cc15a118 | 362 | while ((GraphBuffer[i] > low) && (i < GraphTraceLen)) |
23f0a7d8 | 363 | ++i; |
364 | if (j>=(MAX_GRAPH_TRACE_LEN/64)) { | |
365 | break; | |
366 | } | |
367 | tmpbuff[j++]= i - start; | |
cc15a118 | 368 | if (i-start < minClk && i < GraphTraceLen) { |
369 | minClk = i - start; | |
370 | } | |
23f0a7d8 | 371 | } |
372 | // set clock | |
cc15a118 | 373 | if (!clk) { |
23f0a7d8 | 374 | for (uint8_t clkCnt = 0; clkCnt<7; clkCnt++) { |
375 | tol = fndClk[clkCnt]/8; | |
cc15a118 | 376 | if (minClk >= fndClk[clkCnt]-tol && minClk <= fndClk[clkCnt]+1) { |
23f0a7d8 | 377 | clk=fndClk[clkCnt]; |
378 | break; | |
379 | } | |
380 | } | |
cc15a118 | 381 | if (!clk) return 0; |
6e984446 | 382 | } else tol = clk/8; |
23f0a7d8 | 383 | |
384 | // look for data start - should be 2 pairs of LW (pulses of clk*3,clk*2) | |
cc15a118 | 385 | start = -1; |
386 | for (i= 0; i < j - 4 ; ++i) { | |
23f0a7d8 | 387 | skip += tmpbuff[i]; |
cc15a118 | 388 | if (tmpbuff[i] >= clk*3-tol && tmpbuff[i] <= clk*3+tol) //3 clocks |
389 | if (tmpbuff[i+1] >= clk*2-tol && tmpbuff[i+1] <= clk*2+tol) //2 clocks | |
390 | if (tmpbuff[i+2] >= clk*3-tol && tmpbuff[i+2] <= clk*3+tol) //3 clocks | |
391 | if (tmpbuff[i+3] >= clk-tol) //1.5 to 2 clocks - depends on bit following | |
23f0a7d8 | 392 | { |
393 | start= i + 4; | |
394 | break; | |
395 | } | |
396 | } | |
cc15a118 | 397 | startblock = i + 4; |
23f0a7d8 | 398 | |
399 | // skip over the remainder of LW | |
49bbc60a | 400 | skip += tmpbuff[i+1] + tmpbuff[i+2] + clk; |
401 | if (tmpbuff[i+3]>clk) | |
402 | phaseoff = tmpbuff[i+3]-clk; | |
403 | else | |
404 | phaseoff = 0; | |
23f0a7d8 | 405 | // now do it again to find the end |
406 | end = skip; | |
cc15a118 | 407 | for (i += 3; i < j - 4 ; ++i) { |
23f0a7d8 | 408 | end += tmpbuff[i]; |
cc15a118 | 409 | if (tmpbuff[i] >= clk*3-tol && tmpbuff[i] <= clk*3+tol) //3 clocks |
410 | if (tmpbuff[i+1] >= clk*2-tol && tmpbuff[i+1] <= clk*2+tol) //2 clocks | |
411 | if (tmpbuff[i+2] >= clk*3-tol && tmpbuff[i+2] <= clk*3+tol) //3 clocks | |
412 | if (tmpbuff[i+3] >= clk-tol) //1.5 to 2 clocks - depends on bit following | |
23f0a7d8 | 413 | { |
414 | complete= true; | |
415 | break; | |
416 | } | |
417 | } | |
418 | end = i; | |
419 | // report back | |
420 | if (verbose || g_debugMode) { | |
421 | if (start >= 0) { | |
cc15a118 | 422 | PrintAndLog("\nNote: one block = 50 bits (32 data, 12 parity, 6 marker)"); |
23f0a7d8 | 423 | } else { |
cc15a118 | 424 | PrintAndLog("No data found!, clock tried:%d",clk); |
23f0a7d8 | 425 | PrintAndLog("Try again with more samples."); |
cc15a118 | 426 | PrintAndLog(" or after a 'data askedge' command to clean up the read"); |
23f0a7d8 | 427 | return 0; |
428 | } | |
23f0a7d8 | 429 | } else if (start < 0) return 0; |
cc15a118 | 430 | start = skip; |
23f0a7d8 | 431 | snprintf(tmp2, sizeof(tmp2),"%d %d 1000 %d", clk, invert, clk*47); |
432 | // get rid of leading crap | |
cc15a118 | 433 | snprintf(tmp, sizeof(tmp), "%i", skip); |
23f0a7d8 | 434 | CmdLtrim(tmp); |
435 | bool pTest; | |
cc15a118 | 436 | bool AllPTest = true; |
23f0a7d8 | 437 | // now work through remaining buffer printing out data blocks |
438 | block = 0; | |
439 | i = startblock; | |
cc15a118 | 440 | while (block < 6) { |
23f0a7d8 | 441 | if (verbose || g_debugMode) PrintAndLog("\nBlock %i:", block); |
442 | skip = phaseoff; | |
443 | ||
444 | // look for LW before start of next block | |
cc15a118 | 445 | for ( ; i < j - 4 ; ++i) { |
23f0a7d8 | 446 | skip += tmpbuff[i]; |
447 | if (tmpbuff[i] >= clk*3-tol && tmpbuff[i] <= clk*3+tol) | |
448 | if (tmpbuff[i+1] >= clk-tol) | |
449 | break; | |
450 | } | |
49bbc60a | 451 | if (i >= j-4) break; //next LW not found |
23f0a7d8 | 452 | skip += clk; |
49bbc60a | 453 | if (tmpbuff[i+1]>clk) |
454 | phaseoff = tmpbuff[i+1]-clk; | |
455 | else | |
456 | phaseoff = 0; | |
23f0a7d8 | 457 | i += 2; |
fef74fdc | 458 | if (ASKDemod(tmp2, false, false, 1) < 1) { |
cc15a118 | 459 | save_restoreGB(0); |
460 | return 0; | |
461 | } | |
23f0a7d8 | 462 | //set DemodBufferLen to just one block |
463 | DemodBufferLen = skip/clk; | |
464 | //test parities | |
465 | pTest = EM_ByteParityTest(DemodBuffer,DemodBufferLen,5,9,0); | |
466 | pTest &= EM_EndParityTest(DemodBuffer,DemodBufferLen,5,9,0); | |
467 | AllPTest &= pTest; | |
468 | //get output | |
cc15a118 | 469 | Code[block] = OutputEM4x50_Block(DemodBuffer,DemodBufferLen,verbose, pTest); |
470 | if (g_debugMode) PrintAndLog("\nskipping %d samples, bits:%d", skip, skip/clk); | |
23f0a7d8 | 471 | //skip to start of next block |
472 | snprintf(tmp,sizeof(tmp),"%i",skip); | |
473 | CmdLtrim(tmp); | |
474 | block++; | |
cc15a118 | 475 | if (i >= end) break; //in case chip doesn't output 6 blocks |
23f0a7d8 | 476 | } |
477 | //print full code: | |
478 | if (verbose || g_debugMode || AllPTest){ | |
49bbc60a | 479 | if (!complete) { |
480 | PrintAndLog("*** Warning!"); | |
481 | PrintAndLog("Partial data - no end found!"); | |
482 | PrintAndLog("Try again with more samples."); | |
483 | } | |
cc15a118 | 484 | PrintAndLog("Found data at sample: %i - using clock: %i", start, clk); |
485 | end = block; | |
486 | for (block=0; block < end; block++){ | |
23f0a7d8 | 487 | PrintAndLog("Block %d: %08x",block,Code[block]); |
488 | } | |
49bbc60a | 489 | if (AllPTest) { |
23f0a7d8 | 490 | PrintAndLog("Parities Passed"); |
49bbc60a | 491 | } else { |
23f0a7d8 | 492 | PrintAndLog("Parities Failed"); |
cc15a118 | 493 | PrintAndLog("Try cleaning the read samples with 'data askedge'"); |
49bbc60a | 494 | } |
23f0a7d8 | 495 | } |
496 | ||
497 | //restore GraphBuffer | |
498 | save_restoreGB(0); | |
499 | return (int)AllPTest; | |
500 | } | |
501 | ||
7fe9b0b7 | 502 | int CmdEM4x50Read(const char *Cmd) |
503 | { | |
23f0a7d8 | 504 | return EM4x50Read(Cmd, true); |
7fe9b0b7 | 505 | } |
506 | ||
54a942b0 | 507 | int CmdReadWord(const char *Cmd) |
508 | { | |
b915fda3 | 509 | int Word = -1; //default to invalid word |
23f0a7d8 | 510 | UsbCommand c; |
511 | ||
512 | sscanf(Cmd, "%d", &Word); | |
513 | ||
b915fda3 | 514 | if ( (Word > 15) | (Word < 0) ) { |
23f0a7d8 | 515 | PrintAndLog("Word must be between 0 and 15"); |
516 | return 1; | |
517 | } | |
518 | ||
519 | PrintAndLog("Reading word %d", Word); | |
520 | ||
521 | c.cmd = CMD_EM4X_READ_WORD; | |
522 | c.d.asBytes[0] = 0x0; //Normal mode | |
523 | c.arg[0] = 0; | |
524 | c.arg[1] = Word; | |
525 | c.arg[2] = 0; | |
526 | SendCommand(&c); | |
527 | return 0; | |
54a942b0 | 528 | } |
529 | ||
530 | int CmdReadWordPWD(const char *Cmd) | |
531 | { | |
b915fda3 | 532 | int Word = -1; //default to invalid word |
23f0a7d8 | 533 | int Password = 0xFFFFFFFF; //default to blank password |
534 | UsbCommand c; | |
535 | ||
536 | sscanf(Cmd, "%d %x", &Word, &Password); | |
537 | ||
b915fda3 | 538 | if ( (Word > 15) | (Word < 0) ) { |
23f0a7d8 | 539 | PrintAndLog("Word must be between 0 and 15"); |
540 | return 1; | |
541 | } | |
542 | ||
543 | PrintAndLog("Reading word %d with password %08X", Word, Password); | |
544 | ||
545 | c.cmd = CMD_EM4X_READ_WORD; | |
546 | c.d.asBytes[0] = 0x1; //Password mode | |
547 | c.arg[0] = 0; | |
548 | c.arg[1] = Word; | |
549 | c.arg[2] = Password; | |
550 | SendCommand(&c); | |
551 | return 0; | |
54a942b0 | 552 | } |
553 | ||
554 | int CmdWriteWord(const char *Cmd) | |
555 | { | |
23f0a7d8 | 556 | int Word = 16; //default to invalid block |
557 | int Data = 0xFFFFFFFF; //default to blank data | |
558 | UsbCommand c; | |
559 | ||
560 | sscanf(Cmd, "%x %d", &Data, &Word); | |
561 | ||
562 | if (Word > 15) { | |
563 | PrintAndLog("Word must be between 0 and 15"); | |
564 | return 1; | |
565 | } | |
566 | ||
567 | PrintAndLog("Writing word %d with data %08X", Word, Data); | |
568 | ||
569 | c.cmd = CMD_EM4X_WRITE_WORD; | |
570 | c.d.asBytes[0] = 0x0; //Normal mode | |
571 | c.arg[0] = Data; | |
572 | c.arg[1] = Word; | |
573 | c.arg[2] = 0; | |
574 | SendCommand(&c); | |
575 | return 0; | |
54a942b0 | 576 | } |
577 | ||
578 | int CmdWriteWordPWD(const char *Cmd) | |
579 | { | |
23f0a7d8 | 580 | int Word = 16; //default to invalid word |
581 | int Data = 0xFFFFFFFF; //default to blank data | |
582 | int Password = 0xFFFFFFFF; //default to blank password | |
583 | UsbCommand c; | |
584 | ||
585 | sscanf(Cmd, "%x %d %x", &Data, &Word, &Password); | |
586 | ||
587 | if (Word > 15) { | |
588 | PrintAndLog("Word must be between 0 and 15"); | |
589 | return 1; | |
590 | } | |
591 | ||
592 | PrintAndLog("Writing word %d with data %08X and password %08X", Word, Data, Password); | |
593 | ||
594 | c.cmd = CMD_EM4X_WRITE_WORD; | |
595 | c.d.asBytes[0] = 0x1; //Password mode | |
596 | c.arg[0] = Data; | |
597 | c.arg[1] = Word; | |
598 | c.arg[2] = Password; | |
599 | SendCommand(&c); | |
600 | return 0; | |
54a942b0 | 601 | } |
602 | ||
2d4eae76 | 603 | static command_t CommandTable[] = |
7fe9b0b7 | 604 | { |
23f0a7d8 | 605 | {"help", CmdHelp, 1, "This help"}, |
606 | {"em410xdemod", CmdEMdemodASK, 0, "[findone] -- Extract ID from EM410x tag (option 0 for continuous loop, 1 for only 1 tag)"}, | |
8e0cf023 | 607 | {"em410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag in GraphBuffer"}, |
23f0a7d8 | 608 | {"em410xsim", CmdEM410xSim, 0, "<UID> -- Simulate EM410x tag"}, |
609 | {"em410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"}, | |
610 | {"em410xspoof", CmdEM410xWatchnSpoof, 0, "['h'] --- Watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" }, | |
8e0cf023 | 611 | {"em410xwrite", CmdEM410xWrite, 0, "<UID> <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"}, |
23f0a7d8 | 612 | {"em4x50read", CmdEM4x50Read, 1, "Extract data from EM4x50 tag"}, |
613 | {"readword", CmdReadWord, 1, "<Word> -- Read EM4xxx word data"}, | |
614 | {"readwordPWD", CmdReadWordPWD, 1, "<Word> <Password> -- Read EM4xxx word data in password mode"}, | |
615 | {"writeword", CmdWriteWord, 1, "<Data> <Word> -- Write EM4xxx word data"}, | |
616 | {"writewordPWD", CmdWriteWordPWD, 1, "<Data> <Word> <Password> -- Write EM4xxx word data in password mode"}, | |
617 | {NULL, NULL, 0, NULL} | |
7fe9b0b7 | 618 | }; |
619 | ||
620 | int CmdLFEM4X(const char *Cmd) | |
621 | { | |
23f0a7d8 | 622 | CmdsParse(CommandTable, Cmd); |
623 | return 0; | |
7fe9b0b7 | 624 | } |
625 | ||
626 | int CmdHelp(const char *Cmd) | |
627 | { | |
23f0a7d8 | 628 | CmdsHelp(CommandTable); |
629 | return 0; | |
7fe9b0b7 | 630 | } |