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optimization UDOL creation. does not affect on functionality.
[proxmark3-svn] / client / emv / cmdemv.c
1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2017 Merlok
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 // EMV commands
9 //-----------------------------------------------------------------------------
10
11 #include "cmdemv.h"
12
13 int UsageCmdHFEMVSelect(void) {
14 PrintAndLog("HELP : Executes select applet command:\n");
15 PrintAndLog("Usage: hf emv select [-s][-k][-a][-t] <HEX applet AID>\n");
16 PrintAndLog(" Options:");
17 PrintAndLog(" -s : select card");
18 PrintAndLog(" -k : keep field for next command");
19 PrintAndLog(" -a : show APDU reqests and responses\n");
20 PrintAndLog(" -t : TLV decode results\n");
21 PrintAndLog("Samples:");
22 PrintAndLog(" hf emv select -s a00000000101 -> select card, select applet");
23 PrintAndLog(" hf emv select -s -t a00000000101 -> select card, select applet, show result in TLV");
24 return 0;
25 }
26
27 int CmdHFEMVSelect(const char *cmd) {
28 uint8_t data[APDU_AID_LEN] = {0};
29 int datalen = 0;
30 bool activateField = false;
31 bool leaveSignalON = false;
32 bool decodeTLV = false;
33
34 if (strlen(cmd) < 1) {
35 UsageCmdHFEMVSelect();
36 return 0;
37 }
38
39 SetAPDULogging(false);
40
41 int cmdp = 0;
42 while(param_getchar(cmd, cmdp) != 0x00) {
43 char c = param_getchar(cmd, cmdp);
44 if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
45 switch (param_getchar_indx(cmd, 1, cmdp)) {
46 case 'h':
47 case 'H':
48 UsageCmdHFEMVSelect();
49 return 0;
50 case 's':
51 case 'S':
52 activateField = true;
53 break;
54 case 'k':
55 case 'K':
56 leaveSignalON = true;
57 break;
58 case 'a':
59 case 'A':
60 SetAPDULogging(true);
61 break;
62 case 't':
63 case 'T':
64 decodeTLV = true;
65 break;
66 default:
67 PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
68 return 1;
69 }
70
71 if (isxdigit(c)) {
72 switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data), &datalen)) {
73 case 1:
74 PrintAndLog("Invalid HEX value.");
75 return 1;
76 case 2:
77 PrintAndLog("AID too large.");
78 return 1;
79 case 3:
80 PrintAndLog("Hex must have even number of digits.");
81 return 1;
82 }
83
84 // we get all the hex to end of line with spaces
85 break;
86 }
87
88
89 cmdp++;
90 }
91
92 // exec
93 uint8_t buf[APDU_RES_LEN] = {0};
94 size_t len = 0;
95 uint16_t sw = 0;
96 int res = EMVSelect(activateField, leaveSignalON, data, datalen, buf, sizeof(buf), &len, &sw, NULL);
97
98 if (sw)
99 PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
100
101 if (res)
102 return res;
103
104 if (decodeTLV)
105 TLVPrintFromBuffer(buf, len);
106
107 return 0;
108 }
109
110 int UsageCmdHFEMVSearch(void) {
111 PrintAndLog("HELP : Tries to select all applets from applet list:\n");
112 PrintAndLog("Usage: hf emv search [-s][-k][-a][-t]\n");
113 PrintAndLog(" Options:");
114 PrintAndLog(" -s : select card");
115 PrintAndLog(" -k : keep field for next command");
116 PrintAndLog(" -a : show APDU reqests and responses\n");
117 PrintAndLog(" -t : TLV decode results of selected applets\n");
118 PrintAndLog("Samples:");
119 PrintAndLog(" hf emv search -s -> select card and search");
120 PrintAndLog(" hf emv search -s -t -> select card, search and show result in TLV");
121 return 0;
122 }
123
124 int CmdHFEMVSearch(const char *cmd) {
125
126 bool activateField = false;
127 bool leaveSignalON = false;
128 bool decodeTLV = false;
129
130 if (strlen(cmd) < 1) {
131 UsageCmdHFEMVSearch();
132 return 0;
133 }
134
135 SetAPDULogging(false);
136
137 int cmdp = 0;
138 while(param_getchar(cmd, cmdp) != 0x00) {
139 char c = param_getchar(cmd, cmdp);
140 if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
141 switch (param_getchar_indx(cmd, 1, cmdp)) {
142 case 'h':
143 case 'H':
144 UsageCmdHFEMVSearch();
145 return 0;
146 case 's':
147 case 'S':
148 activateField = true;
149 break;
150 case 'k':
151 case 'K':
152 leaveSignalON = true;
153 break;
154 case 'a':
155 case 'A':
156 SetAPDULogging(true);
157 break;
158 case 't':
159 case 'T':
160 decodeTLV = true;
161 break;
162 default:
163 PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
164 return 1;
165 }
166 cmdp++;
167 }
168
169 struct tlvdb *t = NULL;
170 const char *al = "Applets list";
171 t = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
172
173 if (EMVSearch(activateField, leaveSignalON, decodeTLV, t)) {
174 tlvdb_free(t);
175 return 2;
176 }
177
178 PrintAndLog("Search completed.");
179
180 // print list here
181 if (!decodeTLV) {
182 TLVPrintAIDlistFromSelectTLV(t);
183 }
184
185 tlvdb_free(t);
186
187 return 0;
188 }
189
190 int UsageCmdHFEMVPPSE(void) {
191 PrintAndLog("HELP : Executes PSE/PPSE select command. It returns list of applet on the card:\n");
192 PrintAndLog("Usage: hf emv pse [-s][-k][-1][-2][-a][-t]\n");
193 PrintAndLog(" Options:");
194 PrintAndLog(" -s : select card");
195 PrintAndLog(" -k : keep field for next command");
196 PrintAndLog(" -1 : ppse (1PAY.SYS.DDF01)");
197 PrintAndLog(" -2 : pse (2PAY.SYS.DDF01)");
198 PrintAndLog(" -a : show APDU reqests and responses\n");
199 PrintAndLog(" -t : TLV decode results\n");
200 PrintAndLog("Samples:");
201 PrintAndLog(" hf emv pse -s -1 -> select, get pse");
202 PrintAndLog(" hf emv pse -s -k -2 -> select, get ppse, keep field");
203 PrintAndLog(" hf emv pse -s -t -2 -> select, get ppse, show result in TLV");
204 return 0;
205 }
206
207 int CmdHFEMVPPSE(const char *cmd) {
208
209 uint8_t PSENum = 2;
210 bool activateField = false;
211 bool leaveSignalON = false;
212 bool decodeTLV = false;
213
214 if (strlen(cmd) < 1) {
215 UsageCmdHFEMVPPSE();
216 return 0;
217 }
218
219 SetAPDULogging(false);
220
221 int cmdp = 0;
222 while(param_getchar(cmd, cmdp) != 0x00) {
223 char c = param_getchar(cmd, cmdp);
224 if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
225 switch (param_getchar_indx(cmd, 1, cmdp)) {
226 case 'h':
227 case 'H':
228 UsageCmdHFEMVPPSE();
229 return 0;
230 case 's':
231 case 'S':
232 activateField = true;
233 break;
234 case 'k':
235 case 'K':
236 leaveSignalON = true;
237 break;
238 case 'a':
239 case 'A':
240 SetAPDULogging(true);
241 break;
242 case 't':
243 case 'T':
244 decodeTLV = true;
245 break;
246 case '1':
247 PSENum = 1;
248 break;
249 case '2':
250 PSENum = 2;
251 break;
252 default:
253 PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
254 return 1;
255 }
256 cmdp++;
257 }
258
259 // exec
260 uint8_t buf[APDU_RES_LEN] = {0};
261 size_t len = 0;
262 uint16_t sw = 0;
263 int res = EMVSelectPSE(activateField, leaveSignalON, PSENum, buf, sizeof(buf), &len, &sw);
264
265 if (sw)
266 PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
267
268 if (res)
269 return res;
270
271
272 if (decodeTLV)
273 TLVPrintFromBuffer(buf, len);
274
275 return 0;
276 }
277
278 int UsageCmdHFEMVExec(void) {
279 PrintAndLog("HELP : Executes EMV contactless transaction:\n");
280 PrintAndLog("Usage: hf emv exec [-s][-a][-t]\n");
281 PrintAndLog(" Options:");
282 PrintAndLog(" -s : select card");
283 PrintAndLog(" -a : show APDU reqests and responses\n");
284 PrintAndLog(" -t : TLV decode results\n");
285 PrintAndLog(" -f : force search AID. Search AID instead of execute PPSE.\n");
286 PrintAndLog("Samples:");
287 PrintAndLog(" hf emv pse -s -> select card");
288 PrintAndLog(" hf emv pse -s -t -a -> select card, show responses in TLV, show APDU");
289 return 0;
290 }
291
292 #define TLV_ADD(tag, value)( tlvdb_add(tlvRoot, tlvdb_fixed(tag, sizeof(value) - 1, (const unsigned char *)value)) )
293
294 int CmdHFEMVExec(const char *cmd) {
295 bool activateField = false;
296 bool showAPDU = false;
297 bool decodeTLV = false;
298 bool forceSearch = false;
299
300 uint8_t buf[APDU_RES_LEN] = {0};
301 size_t len = 0;
302 uint16_t sw = 0;
303 uint8_t AID[APDU_AID_LEN] = {0};
304 size_t AIDlen = 0;
305
306 int res;
307
308 if (strlen(cmd) < 1) {
309 UsageCmdHFEMVExec();
310 return 0;
311 }
312
313 int cmdp = 0;
314 while(param_getchar(cmd, cmdp) != 0x00) {
315 char c = param_getchar(cmd, cmdp);
316 if ((c == '-') && (param_getlength(cmd, cmdp) == 2))
317 switch (param_getchar_indx(cmd, 1, cmdp)) {
318 case 'h':
319 case 'H':
320 UsageCmdHFEMVPPSE();
321 return 0;
322 case 's':
323 case 'S':
324 activateField = true;
325 break;
326 case 'a':
327 case 'A':
328 showAPDU = true;
329 break;
330 case 't':
331 case 'T':
332 decodeTLV = true;
333 break;
334 case 'f':
335 case 'F':
336 forceSearch = true;
337 break;
338 default:
339 PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
340 return 1;
341 }
342 cmdp++;
343 }
344
345
346 // init applets list tree
347 struct tlvdb *tlvSelect = NULL;
348 const char *al = "Applets list";
349 tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
350
351 // Application Selection
352 // https://www.openscdp.org/scripts/tutorial/emv/applicationselection.html
353 if (!forceSearch) {
354 // PPSE
355 PrintAndLog("\n* PPSE.");
356 SetAPDULogging(showAPDU);
357 res = EMVSearchPSE(activateField, true, decodeTLV, tlvSelect);
358
359 // check PPSE and select application id
360 if (!res) {
361 TLVPrintAIDlistFromSelectTLV(tlvSelect);
362 EMVSelectApplication(tlvSelect, AID, &AIDlen);
363 }
364 }
365
366 // Search
367 if (!AIDlen) {
368 PrintAndLog("\n* Search AID in list.");
369 SetAPDULogging(false);
370 if (EMVSearch(activateField, true, decodeTLV, tlvSelect)) {
371 tlvdb_free(tlvSelect);
372 return 2;
373 }
374
375 // check search and select application id
376 TLVPrintAIDlistFromSelectTLV(tlvSelect);
377 EMVSelectApplication(tlvSelect, AID, &AIDlen);
378 }
379
380 // Init TLV tree
381 struct tlvdb *tlvRoot = NULL;
382 const char *alr = "Root terminal TLV tree";
383 tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr);
384
385 // check if we found EMV application on card
386 if (!AIDlen) {
387 PrintAndLog("Can't select AID. EMV AID not found");
388 return 2;
389 }
390
391 // Select
392 PrintAndLog("\n* Selecting AID:%s", sprint_hex_inrow(AID, AIDlen));
393 SetAPDULogging(showAPDU);
394 res = EMVSelect(false, true, AID, AIDlen, buf, sizeof(buf), &len, &sw, tlvRoot);
395
396 if (res) {
397 PrintAndLog("Can't select AID (%d). Exit...", res);
398 return 3;
399 }
400
401 if (decodeTLV)
402 TLVPrintFromBuffer(buf, len);
403 PrintAndLog("* Selected.");
404
405 PrintAndLog("\n* Init transaction parameters.");
406
407 //9F66:(Terminal Transaction Qualifiers (TTQ)) len:4
408 TLV_ADD(0x9F66, "\x86\x00\x00\x00"); // MSD
409 // TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // qVSDC
410 // TLV_ADD(0x9F66, "\x8e\x00\x00\x00"); // CDA
411 //9F02:(Amount, Authorised (Numeric)) len:6
412 TLV_ADD(0x9F02, "\x00\x00\x00\x00\x01\x00");
413 //9F1A:(Terminal Country Code) len:2
414 TLV_ADD(0x9F1A, "ru");
415 //5F2A:(Transaction Currency Code) len:2
416 // USD 840, EUR 978, RUR 810, RUB 643, RUR 810(old), UAH 980, AZN 031, n/a 999
417 TLV_ADD(0x5F2A, "\x09\x80");
418 //9A:(Transaction Date) len:3
419 TLV_ADD(0x9A, "\x00\x00\x00");
420 //9C:(Transaction Type) len:1 | 00 => Goods and service #01 => Cash
421 TLV_ADD(0x9C, "\x00");
422 // 9F37 Unpredictable Number len:4
423 TLV_ADD(0x9F37, "\x01\x02\x03\x04");
424 // 9F6A Unpredictable Number (MSD for UDOL) len:4
425 TLV_ADD(0x9F6A, "\x01\x02\x03\x04");
426
427 TLVPrintFromTLV(tlvRoot); // TODO delete!!!
428
429 PrintAndLog("\n* Calc PDOL.");
430 struct tlv *pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83);
431 if (!pdol_data_tlv){
432 PrintAndLog("ERROR: can't create PDOL TLV.");
433 return 4;
434 }
435
436 size_t pdol_data_tlv_data_len;
437 unsigned char *pdol_data_tlv_data = tlv_encode(pdol_data_tlv, &pdol_data_tlv_data_len);
438 if (!pdol_data_tlv_data) {
439 PrintAndLog("ERROR: can't create PDOL data.");
440 return 4;
441 }
442 PrintAndLog("PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
443
444 PrintAndLog("\n* GPO.");
445 res = EMVGPO(true, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
446
447 free(pdol_data_tlv);
448
449 if (res) {
450 PrintAndLog("GPO error(%d): %4x. Exit...", res, sw);
451 return 5;
452 }
453
454 // process response template format 1 [id:80 2b AIP + x4b AFL] and format 2 [id:77 TLV]
455 if (buf[0] == 0x80) {
456 if (decodeTLV){
457 PrintAndLog("GPO response format1:");
458 TLVPrintFromBuffer(buf, len);
459 }
460
461 if (len < 4 || (len - 4) % 4) {
462 PrintAndLog("ERROR: GPO response format1 parsing error. length=%d", len);
463 } else {
464 // AIP
465 struct tlvdb * f1AIP = tlvdb_fixed(0x82, 2, buf + 2);
466 tlvdb_add(tlvRoot, f1AIP);
467 if (decodeTLV){
468 PrintAndLog("\n* * Decode response format 1 (0x80) AIP and AFL:");
469 TLVPrintFromTLV(f1AIP);
470 }
471
472 // AFL
473 struct tlvdb * f1AFL = tlvdb_fixed(0x94, len - 4, buf + 2 + 2);
474 tlvdb_add(tlvRoot, f1AFL);
475 if (decodeTLV)
476 TLVPrintFromTLV(f1AFL);
477 }
478 } else {
479 if (decodeTLV)
480 TLVPrintFromBuffer(buf, len);
481 }
482
483 // extract PAN from track2
484 {
485 const struct tlv *track2 = tlvdb_get(tlvRoot, 0x57, NULL);
486 if (!tlvdb_get(tlvRoot, 0x5a, NULL) && track2 && track2->len >= 8) {
487 struct tlvdb *pan = GetPANFromTrack2(track2);
488 if (pan) {
489 tlvdb_add(tlvRoot, pan);
490
491 const struct tlv *pantlv = tlvdb_get(tlvRoot, 0x5a, NULL);
492 PrintAndLog("\n* * Extracted PAN from track2: %s", sprint_hex(pantlv->value, pantlv->len));
493 } else {
494 PrintAndLog("\n* * WARNING: Can't extract PAN from track2.");
495 }
496 }
497 }
498
499 PrintAndLog("\n* Read records from AFL.");
500 const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL);
501 if (!AFL || !AFL->len) {
502 PrintAndLog("WARNING: AFL not found.");
503 }
504
505 while(AFL && AFL->len) {
506 if (AFL->len % 4) {
507 PrintAndLog("ERROR: Wrong AFL length: %d", AFL->len);
508 break;
509 }
510
511 for (int i = 0; i < AFL->len / 4; i++) {
512 uint8_t SFI = AFL->value[i * 4 + 0] >> 3;
513 uint8_t SFIstart = AFL->value[i * 4 + 1];
514 uint8_t SFIend = AFL->value[i * 4 + 2];
515 uint8_t SFIoffline = AFL->value[i * 4 + 3];
516
517 PrintAndLog("* * SFI[%02x] start:%02x end:%02x offline:%02x", SFI, SFIstart, SFIend, SFIoffline);
518 if (SFI == 0 || SFI == 31 || SFIstart == 0 || SFIstart > SFIend) {
519 PrintAndLog("SFI ERROR! Skipped...");
520 continue;
521 }
522
523 for(int n = SFIstart; n <= SFIend; n++) {
524 PrintAndLog("* * * SFI[%02x] %d", SFI, n);
525
526 res = EMVReadRecord(true, SFI, n, buf, sizeof(buf), &len, &sw, tlvRoot);
527 if (res) {
528 PrintAndLog("ERROR SFI[%02x]. APDU error %4x", SFI, sw);
529 continue;
530 }
531
532 if (decodeTLV) {
533 TLVPrintFromBuffer(buf, len);
534 PrintAndLog("");
535 }
536
537 if (SFIoffline) {
538 // here will be offline records storing...
539 // dont foget: if (sfi < 11)
540 }
541 }
542 }
543
544 break;
545 }
546
547 // transaction check
548 const struct tlv *AIPtlv = tlvdb_get(tlvRoot, 0x82, NULL);
549 uint16_t AIP = AIPtlv->value[0] + AIPtlv->value[1] * 0x100;
550 PrintAndLog("* * AIP=%x", AIP);
551
552 // qVSDC
553 {
554 // 9F26: Application Cryptogram
555 const struct tlv *AC = tlvdb_get(tlvRoot, 0x9F26, NULL);
556 if (AC) {
557 PrintAndLog("\n--> qVSDC transaction.");
558 PrintAndLog("* AC path");
559
560 // 9F36: Application Transaction Counter (ATC)
561 const struct tlv *ATC = tlvdb_get(tlvRoot, 0x9F36, NULL);
562 if (ATC) {
563
564 // 9F10: Issuer Application Data - optional
565 const struct tlv *IAD = tlvdb_get(tlvRoot, 0x9F10, NULL);
566
567 // print AC data
568 PrintAndLog("ATC: %s", sprint_hex(ATC->value, ATC->len));
569 PrintAndLog("AC: %s", sprint_hex(AC->value, AC->len));
570 if (IAD){
571 PrintAndLog("IAD: %s", sprint_hex(IAD->value, IAD->len));
572
573 if (IAD->len >= IAD->value[0] + 1) {
574 PrintAndLog("\tKey index: 0x%02x", IAD->value[1]);
575 PrintAndLog("\tCrypto ver: 0x%02x(%03d)", IAD->value[2], IAD->value[2]);
576 PrintAndLog("\tCVR:", sprint_hex(&IAD->value[3], IAD->value[0] - 2));
577 struct tlvdb * cvr = tlvdb_fixed(0x20, IAD->value[0] - 2, &IAD->value[3]);
578 TLVPrintFromTLVLev(cvr, 1);
579 }
580 } else {
581 PrintAndLog("WARNING: IAD not found.");
582 }
583
584 } else {
585 PrintAndLog("ERROR AC: Application Transaction Counter (ATC) not found.");
586 }
587 }
588 }
589
590 // TODO: Mastercard M/CHIP
591 {
592 const struct tlv *CDOL1 = tlvdb_get(tlvRoot, 0x8c, NULL);
593 if (CDOL1 && GetCardPSVendor(AID, AIDlen) == CV_MASTERCARD) { // and m/chip transaction flag
594
595 }
596 }
597
598 // MSD
599 if (AIP & 0x8000) {
600 PrintAndLog("\n--> MSD transaction.");
601
602
603 PrintAndLog("* MSD dCVV path. Check dCVV");
604
605 const struct tlv *track2 = tlvdb_get(tlvRoot, 0x57, NULL);
606 if (track2) {
607 PrintAndLog("Track2: %s", sprint_hex(track2->value, track2->len));
608
609 struct tlvdb *dCVV = GetdCVVRawFromTrack2(track2);
610 PrintAndLog("dCVV raw data:");
611 TLVPrintFromTLV(dCVV);
612
613 if (GetCardPSVendor(AID, AIDlen) == CV_MASTERCARD) {
614 PrintAndLog("\n* Mastercard calculate UDOL");
615
616 // UDOL (9F69)
617 const struct tlv *UDOL = tlvdb_get(tlvRoot, 0x9F69, NULL);
618 // UDOL(9F69) default: 9F6A (Unpredictable number) 4 bytes
619 const struct tlv defUDOL = {
620 .tag = 0x01,
621 .len = 3,
622 .value = (uint8_t *)"\x9f\x6a\x04",
623 };
624 if (!UDOL)
625 PrintAndLog("Use default UDOL.");
626
627 struct tlv *udol_data_tlv = dol_process(UDOL ? UDOL : &defUDOL, tlvRoot, 0x01); // 0x01 - fake tag!
628 if (!udol_data_tlv){
629 PrintAndLog("ERROR: can't create UDOL TLV.");
630 return 4;
631 }
632
633 PrintAndLog("UDOL data[%d]: %s", udol_data_tlv->len, sprint_hex(udol_data_tlv->value, udol_data_tlv->len));
634
635 PrintAndLog("\n* Mastercard compute cryptographic checksum(UDOL)");
636
637 res = MSCComputeCryptoChecksum(true, (uint8_t *)udol_data_tlv->value, udol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
638 if (res) {
639 PrintAndLog("ERROR Compute Crypto Checksum. APDU error %4x", sw);
640 return 5;
641 }
642
643 if (decodeTLV) {
644 TLVPrintFromBuffer(buf, len);
645 PrintAndLog("");
646 }
647
648 }
649 } else {
650 PrintAndLog("ERROR MSD: Track2 data not found.");
651 }
652 }
653
654 // additional contacless EMV commands (fDDA, external authenticate)
655
656
657 // DropField
658 DropField();
659
660 // Destroy TLV's
661 tlvdb_free(tlvSelect);
662 tlvdb_free(tlvRoot);
663
664 PrintAndLog("\n* Transaction completed.");
665
666 return 0;
667 }
668
669 int CmdHelp(const char *Cmd);
670 static command_t CommandTable[] = {
671 {"help", CmdHelp, 1, "This help"},
672 {"exec", CmdHFEMVExec, 0, "Executes EMV contactless transaction."},
673 {"pse", CmdHFEMVPPSE, 0, "Execute PPSE. It selects 2PAY.SYS.DDF01 or 1PAY.SYS.DDF01 directory."},
674 {"search", CmdHFEMVSearch, 0, "Try to select all applets from applets list and print installed applets."},
675 {"select", CmdHFEMVSelect, 0, "Select applet."},
676 {NULL, NULL, 0, NULL}
677 };
678
679 int CmdHFEMV(const char *Cmd) {
680 CmdsParse(CommandTable, Cmd);
681 return 0;
682 }
683
684 int CmdHelp(const char *Cmd) {
685 CmdsHelp(CommandTable);
686 return 0;
687 }
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