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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 core functions
9 //-----------------------------------------------------------------------------
10
11 #include "emvcore.h"
12 #include "emvjson.h"
13 #include "util_posix.h"
14 #include "protocols.h"
15 #ifdef WITH_SMARTCARD
16 #include "cmdsmartcard.h"
17 #endif
18
19 // Got from here. Thanks)
20 // https://eftlab.co.uk/index.php/site-map/knowledge-base/211-emv-aid-rid-pix
21 static const char *PSElist [] = {
22 "325041592E5359532E4444463031", // 2PAY.SYS.DDF01 - Visa Proximity Payment System Environment - PPSE
23 "315041592E5359532E4444463031" // 1PAY.SYS.DDF01 - Visa Payment System Environment - PSE
24 };
25 //static const size_t PSElistLen = sizeof(PSElist)/sizeof(char*);
26
27 char *TransactionTypeStr[] = {
28 "MSD",
29 "VSDC",
30 "qVCDCMCHIP",
31 "CDA"
32 };
33
34 typedef struct {
35 enum CardPSVendor vendor;
36 const char* aid;
37 } TAIDList;
38
39 static const TAIDList AIDlist [] = {
40 // Visa International
41 { CV_VISA, "A00000000305076010"}, // VISA ELO Credit
42 { CV_VISA, "A0000000031010" }, // VISA Debit/Credit (Classic)
43 { CV_VISA, "A000000003101001" }, // VISA Credit
44 { CV_VISA, "A000000003101002" }, // VISA Debit
45 { CV_VISA, "A0000000032010" }, // VISA Electron
46 { CV_VISA, "A0000000032020" }, // VISA
47 { CV_VISA, "A0000000033010" }, // VISA Interlink
48 { CV_VISA, "A0000000034010" }, // VISA Specific
49 { CV_VISA, "A0000000035010" }, // VISA Specific
50 { CV_VISA, "A0000000036010" }, // Domestic Visa Cash Stored Value
51 { CV_VISA, "A0000000036020" }, // International Visa Cash Stored Value
52 { CV_VISA, "A0000000038002" }, // VISA Auth, VisaRemAuthen EMV-CAP (DPA)
53 { CV_VISA, "A0000000038010" }, // VISA Plus
54 { CV_VISA, "A0000000039010" }, // VISA Loyalty
55 { CV_VISA, "A000000003999910" }, // VISA Proprietary ATM
56 // Visa USA
57 { CV_VISA, "A000000098" }, // Debit Card
58 { CV_VISA, "A0000000980848" }, // Debit Card
59 // Mastercard International
60 { CV_MASTERCARD, "A00000000401" }, // MasterCard PayPass
61 { CV_MASTERCARD, "A0000000041010" }, // MasterCard Credit
62 { CV_MASTERCARD, "A00000000410101213" }, // MasterCard Credit
63 { CV_MASTERCARD, "A00000000410101215" }, // MasterCard Credit
64 { CV_MASTERCARD, "A0000000042010" }, // MasterCard Specific
65 { CV_MASTERCARD, "A0000000043010" }, // MasterCard Specific
66 { CV_MASTERCARD, "A0000000043060" }, // Maestro (Debit)
67 { CV_MASTERCARD, "A000000004306001" }, // Maestro (Debit)
68 { CV_MASTERCARD, "A0000000044010" }, // MasterCard Specific
69 { CV_MASTERCARD, "A0000000045010" }, // MasterCard Specific
70 { CV_MASTERCARD, "A0000000046000" }, // Cirrus
71 { CV_MASTERCARD, "A0000000048002" }, // SecureCode Auth EMV-CAP
72 { CV_MASTERCARD, "A0000000049999" }, // MasterCard PayPass
73 { CV_MASTERCARD, "B012345678" }, // Maestro TEST Used for development
74 // American Express
75 { CV_AMERICANEXPRESS, "A000000025" },
76 { CV_AMERICANEXPRESS, "A0000000250000" },
77 { CV_AMERICANEXPRESS, "A00000002501" },
78 { CV_AMERICANEXPRESS, "A000000025010402" },
79 { CV_AMERICANEXPRESS, "A000000025010701" },
80 { CV_AMERICANEXPRESS, "A000000025010801" },
81 // Groupement des Cartes Bancaires "CB"
82 { CV_CB, "A0000000421010" }, // Cartes Bancaire EMV Card
83 { CV_CB, "A0000000422010" },
84 { CV_CB, "A0000000423010" },
85 { CV_CB, "A0000000424010" },
86 { CV_CB, "A0000000425010" },
87 // JCB CO., LTD.
88 { CV_JCB, "A00000006510" }, // JCB
89 { CV_JCB, "A0000000651010" }, // JCB J Smart Credit
90 // Switch Card Services Ltd.
91 { CV_SWITCH, "A0000000050001" }, // Maestro UK
92 { CV_SWITCH, "A0000000050002" }, // Solo
93 // Diners Club International Ltd.
94 { CV_DINERS, "A0000001523010" }, // Discover, Pulse D Pas Discover Card
95 { CV_DINERS, "A0000001524010" }, // Discover, Discover Debit Common Card
96 // Other
97 { CV_OTHER, "A00000002401" }, // Midland Bank Plc - Self Service
98 { CV_OTHER, "A0000000291010" }, // LINK Interchange Network Ltd - Link / American Express
99 { CV_OTHER, "A00000006900" }, // Société Européenne de Monnaie Electronique SEME - Moneo
100 { CV_OTHER, "A000000077010000021000000000003B" }, // Oberthur Technologies France - Visa AEPN
101 { CV_OTHER, "A0000001211010" }, // PBS Danmark A/S - Denmark - Dankort (VISA GEM Vision) - Danish domestic debit card
102 { CV_OTHER, "A0000001410001" }, // Associazione Bancaria Italiana - Italy - PagoBANCOMAT - CoGeBan Consorzio BANCOMAT (Italian domestic debit card)
103 { CV_OTHER, "A0000001544442" }, // Banricompras Debito - Banrisul - Banco do Estado do Rio Grande do SUL - S.A.
104 { CV_OTHER, "A000000172950001" }, // Financial Information Service Co. Ltd. - Taiwan - BAROC Financial Application Taiwan- The Bankers Association of the Republic of China
105 { CV_OTHER, "A0000001850002" }, // Post Office Limited - United Kingdom - UK Post Office Account card
106 { CV_OTHER, "A0000002281010" }, // Saudi Arabian Monetary Agency (SAMA) - Kingdom of Saudi Arabia - SPAN (M/Chip) - SPAN2 (Saudi Payments Network) - Saudi Arabia domestic credit/debit card (Saudi Arabia Monetary Agency)
107 { CV_OTHER, "A0000002282010" }, // Saudi Arabian Monetary Agency (SAMA) - Kingdom of Saudi Arabia - SPAN (VIS) - SPAN2 (Saudi Payments Network) - Saudi Arabia domestic credit/debit card (Saudi Arabia Monetary Agency)
108 { CV_OTHER, "A0000002771010" }, // Interac Association - Canada - INTERAC - Canadian domestic credit/debit card
109 { CV_OTHER, "A00000031510100528" }, // Currence Holding/PIN BV - The Netherlands- Currence PuC
110 { CV_OTHER, "A0000003156020" }, // Currence Holding/PIN BV - The Netherlands - Chipknip
111 { CV_OTHER, "A0000003591010028001" }, // Euro Alliance of Payment Schemes s.c.r.l. (EAPS) - Belgium - Girocard EAPS - ZKA (Germany)
112 { CV_OTHER, "A0000003710001" }, // Verve - Nigeria - InterSwitch Verve Card - Nigerian local switch company
113 { CV_OTHER, "A0000004540010" }, // eTranzact - Nigeria - Etranzact Genesis Card - Nigerian local switch company
114 { CV_OTHER, "A0000004540011" }, // eTranzact - Nigeria - Etranzact Genesis Card 2 - Nigerian local switch company
115 { CV_OTHER, "A0000004766C" }, // Google - United States - GOOGLE_PAYMENT_AID
116 { CV_OTHER, "A0000005241010" }, // RuPay - India - RuPay - RuPay (India)
117 { CV_OTHER, "A0000006723010" }, // TROY - Turkey - TROY chip credit card - Turkey's Payment Method
118 { CV_OTHER, "A0000006723020" }, // TROY - Turkey - TROY chip debit card - Turkey's Payment Method
119 { CV_OTHER, "A0000007705850" }, // Indian Oil Corporation Limited - India - XTRAPOWER Fleet Card Program - Indian Oil’s Pre Paid Program
120 { CV_OTHER, "D27600002545500100" }, // ZKA - Germany - Girocard - ZKA Girocard (Geldkarte) (Germany)
121 { CV_OTHER, "D5280050218002" }, // The Netherlands - ? - (Netherlands)
122 { CV_OTHER, "D5780000021010" }, // Bankaxept Norway Bankaxept Norwegian domestic debit card
123 { CV_OTHER, "F0000000030001" }, // BRADESCO - Brazilian Bank Banco Bradesco
124 };
125 static const size_t AIDlistLen = sizeof(AIDlist)/sizeof(TAIDList);
126
127 static bool APDULogging = false;
128 void SetAPDULogging(bool logging) {
129 APDULogging = logging;
130 }
131
132 enum CardPSVendor GetCardPSVendor(uint8_t * AID, size_t AIDlen) {
133 char buf[100] = {0};
134 if (AIDlen < 1)
135 return CV_NA;
136
137 hex_to_buffer((uint8_t *)buf, AID, AIDlen, sizeof(buf) - 1, 0, 0, true);
138
139 for(int i = 0; i < AIDlistLen; i ++) {
140 if (strncmp(AIDlist[i].aid, buf, strlen(AIDlist[i].aid)) == 0){
141 return AIDlist[i].vendor;
142 }
143 }
144
145 return CV_NA;
146 }
147
148 static bool print_cb(void *data, const struct tlv *tlv, int level, bool is_leaf) {
149 emv_tag_dump(tlv, stdout, level);
150 if (is_leaf) {
151 dump_buffer(tlv->value, tlv->len, stdout, level);
152 }
153
154 return true;
155 }
156
157 bool TLVPrintFromBuffer(uint8_t *data, int datalen) {
158 struct tlvdb *t = NULL;
159 t = tlvdb_parse_multi(data, datalen);
160 if (t) {
161 PrintAndLogEx(NORMAL, "-------------------- TLV decoded --------------------");
162
163 tlvdb_visit(t, print_cb, NULL, 0);
164 tlvdb_free(t);
165 return true;
166 } else {
167 PrintAndLogEx(WARNING, "TLV ERROR: Can't parse response as TLV tree.");
168 }
169 return false;
170 }
171
172 void TLVPrintFromTLVLev(struct tlvdb *tlv, int level) {
173 if (!tlv)
174 return;
175
176 tlvdb_visit(tlv, print_cb, NULL, level);
177 }
178
179 void TLVPrintFromTLV(struct tlvdb *tlv) {
180 TLVPrintFromTLVLev(tlv, 0);
181 }
182
183 void TLVPrintAIDlistFromSelectTLV(struct tlvdb *tlv) {
184 PrintAndLogEx(NORMAL, "|------------------|--------|-------------------------|");
185 PrintAndLogEx(NORMAL, "| AID |Priority| Name |");
186 PrintAndLogEx(NORMAL, "|------------------|--------|-------------------------|");
187
188 struct tlvdb *ttmp = tlvdb_find(tlv, 0x6f);
189 if (!ttmp)
190 PrintAndLogEx(NORMAL, "| none |");
191
192 while (ttmp) {
193 const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x84, NULL);
194 const struct tlv *tgName = tlvdb_get_inchild(ttmp, 0x50, NULL);
195 const struct tlv *tgPrio = tlvdb_get_inchild(ttmp, 0x87, NULL);
196 if (!tgAID)
197 break;
198 PrintAndLogEx(NORMAL, "|%s| %s |%s|",
199 sprint_hex_inrow_ex(tgAID->value, tgAID->len, 18),
200 (tgPrio) ? sprint_hex(tgPrio->value, 1) : " ",
201 (tgName) ? sprint_ascii_ex(tgName->value, tgName->len, 25) : " ");
202
203 ttmp = tlvdb_find_next(ttmp, 0x6f);
204 }
205
206 PrintAndLogEx(NORMAL, "|------------------|--------|-------------------------|");
207 }
208
209 struct tlvdb *GetPANFromTrack2(const struct tlv *track2) {
210 char track2Hex[200] = {0};
211 uint8_t PAN[100] = {0};
212 int PANlen = 0;
213 char *tmp = track2Hex;
214
215 if (!track2)
216 return NULL;
217
218 for (int i = 0; i < track2->len; ++i, tmp += 2)
219 sprintf(tmp, "%02x", (unsigned int)track2->value[i]);
220
221 int posD = strchr(track2Hex, 'd') - track2Hex;
222 if (posD < 1)
223 return NULL;
224
225 track2Hex[posD] = 0;
226 if (strlen(track2Hex) % 2) {
227 track2Hex[posD] = 'F';
228 track2Hex[posD + 1] = '\0';
229 }
230
231 param_gethex_to_eol(track2Hex, 0, PAN, sizeof(PAN), &PANlen);
232
233 return tlvdb_fixed(0x5a, PANlen, PAN);
234 }
235
236 struct tlvdb *GetdCVVRawFromTrack2(const struct tlv *track2) {
237 char track2Hex[200] = {0};
238 char dCVVHex[100] = {0};
239 uint8_t dCVV[100] = {0};
240 int dCVVlen = 0;
241 const int PINlen = 5; // must calculated from 9F67 MSD Offset but i have not seen this tag)
242 char *tmp = track2Hex;
243
244 if (!track2)
245 return NULL;
246
247 for (int i = 0; i < track2->len; ++i, tmp += 2)
248 sprintf(tmp, "%02x", (unsigned int)track2->value[i]);
249
250 int posD = strchr(track2Hex, 'd') - track2Hex;
251 if (posD < 1)
252 return NULL;
253
254 memset(dCVVHex, '0', 32);
255 // ATC
256 memcpy(dCVVHex + 0, track2Hex + posD + PINlen + 11, 4);
257 // PAN 5 hex
258 memcpy(dCVVHex + 4, track2Hex, 5);
259 // expire date
260 memcpy(dCVVHex + 9, track2Hex + posD + 1, 4);
261 // service code
262 memcpy(dCVVHex + 13, track2Hex + posD + 5, 3);
263
264 param_gethex_to_eol(dCVVHex, 0, dCVV, sizeof(dCVV), &dCVVlen);
265
266 return tlvdb_fixed(0x02, dCVVlen, dCVV);
267 }
268
269
270 static int EMVExchangeEx(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t *apdu, int apdu_len, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv)
271 {
272 *ResultLen = 0;
273 if (sw) *sw = 0;
274 uint16_t isw = 0;
275 int res = 0;
276
277 if (ActivateField && channel == ECC_CONTACTLESS) {
278 DropField();
279 msleep(50);
280 }
281
282 if (APDULogging)
283 PrintAndLogEx(SUCCESS, ">>>> %s", sprint_hex(apdu, apdu_len));
284
285 switch(channel) {
286 case ECC_CONTACTLESS:
287 // 6 byes + data = INS + CLA + P1 + P2 + Lc + <data = Nc> + Le(?IncludeLe)
288 res = ExchangeAPDU14a(apdu, apdu_len, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
289 if (res) {
290 return res;
291 }
292 break;
293 case ECC_CONTACT:
294 //int ExchangeAPDUSC(uint8_t *datain, int datainlen, bool activateCard, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen);
295 #ifdef WITH_SMARTCARD
296 res = ExchangeAPDUSC(apdu, apdu_len, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen);
297 if (res) {
298 return res;
299 }
300 #endif
301 break;
302 }
303
304 if (APDULogging)
305 PrintAndLogEx(SUCCESS, "<<<< %s", sprint_hex(Result, *ResultLen));
306
307 if (*ResultLen < 2) {
308 return 200;
309 }
310
311 if (Result[*ResultLen-2] == 0x61) {
312 uint8_t La = Result[*ResultLen-1];
313 uint8_t get_response[5] = {apdu[0], ISO7816_GET_RESPONSE, 0x00, 0x00, La};
314 return EMVExchangeEx(channel, false, LeaveFieldON, get_response, sizeof(get_response), Result, MaxResultLen, ResultLen, sw, tlv);
315 }
316
317 *ResultLen -= 2;
318 isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1];
319 if (sw)
320 *sw = isw;
321
322 if (isw != 0x9000) {
323 if (APDULogging) {
324 PrintAndLogEx(ERR, "APDU(%02x%02x) ERROR: [%4X] %s", apdu[0], apdu[1], isw, GetAPDUCodeDescription(*sw >> 8, *sw & 0xff));
325 return 5;
326 }
327 }
328
329 // add to tlv tree
330 if (tlv) {
331 struct tlvdb *t = tlvdb_parse_multi(Result, *ResultLen);
332 tlvdb_add(tlv, t);
333 }
334
335 return 0;
336 }
337
338 int EMVExchange(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *apdu, int apdu_len, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv)
339 {
340 uint8_t APDU[APDU_COMMAND_LEN];
341 memcpy(APDU, apdu, apdu_len);
342 APDU[apdu_len] = 0x00;
343 if (channel == ECC_CONTACTLESS) {
344 if (apdu_len == 5 && apdu[4] == 0) {
345 // there is no Lc but an Le == 0 already
346 } else if (apdu_len > 5 && apdu_len == 5 + apdu[4] + 1) {
347 // there is Lc, data and Le
348 } else {
349 apdu_len++; // no Le, add Le = 0x00 because some vendors require it for contactless
350 }
351 }
352 return EMVExchangeEx(channel, false, LeaveFieldON, APDU, apdu_len, Result, MaxResultLen, ResultLen, sw, tlv);
353 }
354
355 int EMVSelect(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t *AID, size_t AIDLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv)
356 {
357 uint8_t Select_APDU[APDU_COMMAND_LEN] = {0x00, ISO7816_SELECT_FILE, 0x04, 0x00, AIDLen, 0x00};
358 memcpy(Select_APDU + 5, AID, AIDLen);
359 int apdulen = 5 + AIDLen;
360 if (channel == ECC_CONTACTLESS) {
361 apdulen++; // some vendors require Le = 0x00 for contactless operations
362 }
363 return EMVExchangeEx(channel, ActivateField, LeaveFieldON, Select_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
364 }
365
366 int EMVSelectPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t PSENum, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw) {
367 uint8_t buf[APDU_DATA_LEN] = {0};
368 *ResultLen = 0;
369 int len = 0;
370 int res = 0;
371 switch (PSENum) {
372 case 1:
373 param_gethex_to_eol(PSElist[1], 0, buf, sizeof(buf), &len);
374 break;
375 case 2:
376
377 param_gethex_to_eol(PSElist[0], 0, buf, sizeof(buf), &len);
378 break;
379 default:
380 return -1;
381 }
382
383 // select
384 res = EMVSelect(channel, ActivateField, LeaveFieldON, buf, len, Result, MaxResultLen, ResultLen, sw, NULL);
385
386 return res;
387 }
388
389 int EMVSearchPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t PSENum, bool decodeTLV, struct tlvdb *tlv) {
390 uint8_t data[APDU_RESPONSE_LEN] = {0};
391 size_t datalen = 0;
392 uint16_t sw = 0;
393 int res;
394
395 char *PSE_or_PPSE = PSENum == 1 ? "PSE" : "PPSE";
396
397 // select PPSE
398 res = EMVSelectPSE(channel, ActivateField, true, PSENum, data, sizeof(data), &datalen, &sw);
399
400 if (!res){
401 struct tlvdb *t = NULL;
402 t = tlvdb_parse_multi(data, datalen);
403 if (t) {
404 int retrycnt = 0;
405 struct tlvdb *ttmp = tlvdb_find_path(t, (tlv_tag_t[]){0x6f, 0xa5, 0xbf0c, 0x61, 0x00});
406 if (!ttmp)
407 PrintAndLogEx(FAILED, "%s doesn't have any records.", PSE_or_PPSE);
408
409 while (ttmp) {
410 const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x4f, NULL);
411 if (tgAID) {
412 res = EMVSelect(channel, false, true, (uint8_t *)tgAID->value, tgAID->len, data, sizeof(data), &datalen, &sw, tlv);
413
414 // retry if error and not returned sw error
415 if (res && res != 5) {
416 if (++retrycnt < 3){
417 continue;
418 } else {
419 // card select error, proxmark error
420 if (res == 1) {
421 PrintAndLogEx(WARNING, "Exit...");
422 return 1;
423 }
424
425 retrycnt = 0;
426 PrintAndLogEx(NORMAL, "Retry failed [%s]. Skiped...", sprint_hex_inrow(tgAID->value, tgAID->len));
427 }
428
429 // next element
430 ttmp = tlvdb_find_next(ttmp, 0x61);
431 continue;
432 }
433 retrycnt = 0;
434
435 // all is ok
436 if (decodeTLV){
437 PrintAndLogEx(NORMAL, "%s:", sprint_hex_inrow(tgAID->value, tgAID->len));
438 TLVPrintFromBuffer(data, datalen);
439 }
440 }
441
442 ttmp = tlvdb_find_next(ttmp, 0x61);
443 }
444
445 tlvdb_free(t);
446 } else {
447 PrintAndLogEx(WARNING, "%s ERROR: Can't get TLV from response.", PSE_or_PPSE);
448 }
449 } else {
450 PrintAndLogEx(WARNING, "%s ERROR: Can't select PPSE AID. Error: %d", PSE_or_PPSE, res);
451 }
452
453 if(!LeaveFieldON && channel == ECC_CONTACTLESS)
454 DropField();
455
456 return res;
457 }
458
459 int EMVSearch(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv) {
460 uint8_t aidbuf[APDU_DATA_LEN] = {0};
461 int aidlen = 0;
462 uint8_t data[APDU_RESPONSE_LEN] = {0};
463 size_t datalen = 0;
464 uint16_t sw = 0;
465
466 int res = 0;
467 int retrycnt = 0;
468 for(int i = 0; i < AIDlistLen; i ++) {
469 param_gethex_to_eol(AIDlist[i].aid, 0, aidbuf, sizeof(aidbuf), &aidlen);
470 res = EMVSelect(channel, (i == 0) ? ActivateField : false, (i == AIDlistLen - 1) ? LeaveFieldON : true, aidbuf, aidlen, data, sizeof(data), &datalen, &sw, tlv);
471 // retry if error and not returned sw error
472 if (res && res != 5) {
473 if (++retrycnt < 3){
474 i--;
475 } else {
476 // (1) - card select error, proxmark error OR (200) - result length = 0
477 if (res == 1 || res == 200) {
478 PrintAndLogEx(WARNING, "Exit...");
479 return 1;
480 }
481
482 retrycnt = 0;
483 PrintAndLogEx(FAILED, "Retry failed [%s]. Skipped...", AIDlist[i].aid);
484 }
485 continue;
486 }
487 retrycnt = 0;
488
489 if (res)
490 continue;
491
492 if (!datalen)
493 continue;
494
495 if (decodeTLV) {
496 PrintAndLogEx(SUCCESS, "%s", AIDlist[i].aid);
497 TLVPrintFromBuffer(data, datalen);
498 }
499 }
500
501 return 0;
502 }
503
504 int EMVSelectApplication(struct tlvdb *tlv, uint8_t *AID, size_t *AIDlen) {
505 // check priority. 0x00 - highest
506 int prio = 0xffff;
507
508 *AIDlen = 0;
509
510 struct tlvdb *ttmp = tlvdb_find(tlv, 0x6f);
511 if (!ttmp)
512 return 1;
513
514 while (ttmp) {
515 const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x84, NULL);
516 const struct tlv *tgPrio = tlvdb_get_inchild(ttmp, 0x87, NULL);
517
518 if (!tgAID)
519 break;
520
521 if (tgPrio) {
522 int pt = bytes_to_num((uint8_t*)tgPrio->value, (tgPrio->len < 2) ? tgPrio->len : 2);
523 if (pt < prio) {
524 prio = pt;
525
526 memcpy(AID, tgAID->value, tgAID->len);
527 *AIDlen = tgAID->len;
528 }
529 } else {
530 // takes the first application from list wo priority
531 if (!*AIDlen) {
532 memcpy(AID, tgAID->value, tgAID->len);
533 *AIDlen = tgAID->len;
534 }
535 }
536
537 ttmp = tlvdb_find_next(ttmp, 0x6f);
538 }
539
540 return 0;
541 }
542
543 int EMVGPO(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *PDOL, size_t PDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv)
544 {
545 uint8_t GPO_APDU[APDU_COMMAND_LEN] = {0x80, 0xa8, 0x00, 0x00, PDOLLen, 0x00};
546 memcpy(GPO_APDU + 5, PDOL, PDOLLen);
547 int apdulen = 5 + PDOLLen;
548
549 return EMVExchange(channel, LeaveFieldON, GPO_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
550 }
551
552 int EMVReadRecord(EMVCommandChannel channel, bool LeaveFieldON, uint8_t SFI, uint8_t SFIrec, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv)
553 {
554 uint8_t read_APDU[5] = {0x00, ISO7816_READ_RECORDS, SFIrec, (SFI << 3) | 0x04, 0x00};
555 int res = EMVExchange(channel, LeaveFieldON, read_APDU, sizeof(read_APDU), Result, MaxResultLen, ResultLen, sw, tlv);
556 if (*sw == 0x6700) {
557 PrintAndLogEx(INFO, ">>> trying to reissue command withouth Le...");
558 res = EMVExchangeEx(channel, false, LeaveFieldON, read_APDU, sizeof(read_APDU), Result, MaxResultLen, ResultLen, sw, tlv);
559 }
560 return res;
561 }
562
563 int EMVAC(EMVCommandChannel channel, bool LeaveFieldON, uint8_t RefControl, uint8_t *CDOL, size_t CDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv)
564 {
565 uint8_t CDOL_APDU[APDU_COMMAND_LEN] = {0x80, 0xae, RefControl, 0x00, CDOLLen, 0x00};
566 memcpy(CDOL_APDU + 5, CDOL, CDOLLen);
567 int apdulen = 5 + CDOLLen;
568
569 return EMVExchange(channel, LeaveFieldON, CDOL_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
570 }
571
572 int EMVGenerateChallenge(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv)
573 {
574 uint8_t get_challenge_APDU[APDU_COMMAND_LEN] = {0x00, ISO7816_GET_CHALLENGE, 0x00, 0x00};
575
576 int res = EMVExchange(channel, LeaveFieldON, get_challenge_APDU, 4, Result, MaxResultLen, ResultLen, sw, tlv);
577 if (*sw == 0x6700) {
578 PrintAndLogEx(INFO, ">>> trying to reissue command withouth Le...");
579 res = EMVExchangeEx(channel, false, LeaveFieldON, get_challenge_APDU, 4, Result, MaxResultLen, ResultLen, sw, tlv);
580 }
581 return res;
582 }
583
584 int EMVInternalAuthenticate(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *DDOL, size_t DDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv)
585 {
586 uint8_t authenticate_APDU[APDU_COMMAND_LEN] = {0x00, ISO7816_INTERNAL_AUTHENTICATION, 0x00, 0x00, DDOLLen, 0x00};
587 memcpy(authenticate_APDU + 5, DDOL, DDOLLen);
588 int apdulen = 5 + DDOLLen;
589
590 return EMVExchange(channel, LeaveFieldON, authenticate_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
591 }
592
593 int MSCComputeCryptoChecksum(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *UDOL, uint8_t UDOLlen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv)
594 {
595 uint8_t checksum_APDU[APDU_COMMAND_LEN] = {0x80, 0x2a, 0x8e, 0x80, UDOLlen, 0x00};
596 memcpy(checksum_APDU + 5, UDOL, UDOLlen);
597 int apdulen = 5 + UDOLlen;
598
599 return EMVExchange(channel, LeaveFieldON, checksum_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
600 }
601
602 // Authentication
603 struct emv_pk *get_ca_pk(struct tlvdb *db) {
604 const struct tlv *df_tlv = tlvdb_get(db, 0x84, NULL);
605 const struct tlv *caidx_tlv = tlvdb_get(db, 0x8f, NULL);
606
607 if (!df_tlv || !caidx_tlv || df_tlv->len < 6 || caidx_tlv->len != 1)
608 return NULL;
609
610 PrintAndLogEx(NORMAL, "CA public key index 0x%0x", caidx_tlv->value[0]);
611 return emv_pk_get_ca_pk(df_tlv->value, caidx_tlv->value[0]);
612 }
613
614 int trSDA(struct tlvdb *tlv) {
615
616 struct emv_pk *pk = get_ca_pk(tlv);
617 if (!pk) {
618 PrintAndLogEx(WARNING, "Error: Key not found. Exit.");
619 return 2;
620 }
621
622 struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlv);
623 if (!issuer_pk) {
624 emv_pk_free(pk);
625 PrintAndLogEx(WARNING, "Error: Issuer certificate not found. Exit.");
626 return 2;
627 }
628
629 PrintAndLogEx(SUCCESS, "Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx",
630 issuer_pk->rid[0],
631 issuer_pk->rid[1],
632 issuer_pk->rid[2],
633 issuer_pk->rid[3],
634 issuer_pk->rid[4],
635 issuer_pk->index,
636 issuer_pk->serial[0],
637 issuer_pk->serial[1],
638 issuer_pk->serial[2]
639 );
640
641 const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL);
642 if (!sda_tlv || sda_tlv->len < 1) {
643 emv_pk_free(issuer_pk);
644 emv_pk_free(pk);
645 PrintAndLogEx(WARNING, "Can't find input list for Offline Data Authentication. Exit.");
646 return 3;
647 }
648
649 struct tlvdb *dac_db = emv_pki_recover_dac(issuer_pk, tlv, sda_tlv);
650 if (dac_db) {
651 const struct tlv *dac_tlv = tlvdb_get(dac_db, 0x9f45, NULL);
652 PrintAndLogEx(NORMAL, "SDA verified OK. (%02hhx:%02hhx)\n", dac_tlv->value[0], dac_tlv->value[1]);
653 tlvdb_add(tlv, dac_db);
654 } else {
655 emv_pk_free(issuer_pk);
656 emv_pk_free(pk);
657 PrintAndLogEx(WARNING, "SSAD verify error");
658 return 4;
659 }
660
661 emv_pk_free(issuer_pk);
662 emv_pk_free(pk);
663 return 0;
664 }
665
666 static const unsigned char default_ddol_value[] = {0x9f, 0x37, 0x04};
667 static struct tlv default_ddol_tlv = {.tag = 0x9f49, .len = 3, .value = default_ddol_value };
668
669 int trDDA(EMVCommandChannel channel, bool decodeTLV, struct tlvdb *tlv) {
670 uint8_t buf[APDU_RESPONSE_LEN] = {0};
671 size_t len = 0;
672 uint16_t sw = 0;
673
674 struct emv_pk *pk = get_ca_pk(tlv);
675 if (!pk) {
676 PrintAndLogEx(WARNING, "Error: Key not found. Exit.");
677 return 2;
678 }
679
680 const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL);
681 if (!sda_tlv || sda_tlv->len < 1) {
682 emv_pk_free(pk);
683 PrintAndLogEx(WARNING, "Error: Can't find input list for Offline Data Authentication. Exit.");
684 return 3;
685 }
686
687 struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlv);
688 if (!issuer_pk) {
689 emv_pk_free(pk);
690 PrintAndLogEx(WARNING, "Error: Issuer certificate not found. Exit.");
691 return 2;
692 }
693 PrintAndLogEx(SUCCESS, "Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
694 issuer_pk->rid[0],
695 issuer_pk->rid[1],
696 issuer_pk->rid[2],
697 issuer_pk->rid[3],
698 issuer_pk->rid[4],
699 issuer_pk->index,
700 issuer_pk->serial[0],
701 issuer_pk->serial[1],
702 issuer_pk->serial[2]
703 );
704
705 struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlv, sda_tlv);
706 if (!icc_pk) {
707 emv_pk_free(pk);
708 emv_pk_free(issuer_pk);
709 PrintAndLogEx(WARNING, "Error: ICC setrificate not found. Exit.");
710 return 2;
711 }
712 PrintAndLogEx(SUCCESS, "ICC PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
713 icc_pk->rid[0],
714 icc_pk->rid[1],
715 icc_pk->rid[2],
716 icc_pk->rid[3],
717 icc_pk->rid[4],
718 icc_pk->index,
719 icc_pk->serial[0],
720 icc_pk->serial[1],
721 icc_pk->serial[2]
722 );
723
724 struct emv_pk *icc_pe_pk = emv_pki_recover_icc_pe_cert(issuer_pk, tlv);
725 if (!icc_pe_pk) {
726 PrintAndLogEx(WARNING, "WARNING: ICC PE PK recover error. ");
727 } else {
728 PrintAndLogEx(SUCCESS, "ICC PE PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
729 icc_pe_pk->rid[0],
730 icc_pe_pk->rid[1],
731 icc_pe_pk->rid[2],
732 icc_pe_pk->rid[3],
733 icc_pe_pk->rid[4],
734 icc_pe_pk->index,
735 icc_pe_pk->serial[0],
736 icc_pe_pk->serial[1],
737 icc_pe_pk->serial[2]
738 );
739 }
740
741 // 9F4B: Signed Dynamic Application Data
742 const struct tlv *sdad_tlv = tlvdb_get(tlv, 0x9f4b, NULL);
743 // DDA with internal authenticate OR fDDA with filled 0x9F4B tag (GPO result)
744 // EMV kernel3 v2.4, contactless book C-3, C.1., page 147
745 if (sdad_tlv) {
746 PrintAndLogEx(NORMAL, "\n* * Got Signed Dynamic Application Data (9F4B) form GPO. Maybe fDDA...");
747
748 const struct tlvdb *atc_db = emv_pki_recover_atc_ex(icc_pk, tlv, true);
749 if (!atc_db) {
750 PrintAndLogEx(WARNING, "Error: Can't recover IDN (ICC Dynamic Number)");
751 emv_pk_free(pk);
752 emv_pk_free(issuer_pk);
753 emv_pk_free(icc_pk);
754 return 8;
755 }
756
757 // 9f36 Application Transaction Counter (ATC)
758 const struct tlv *atc_tlv = tlvdb_get(atc_db, 0x9f36, NULL);
759 if(atc_tlv) {
760 PrintAndLogEx(NORMAL, "\nATC (Application Transaction Counter) [%zu] %s", atc_tlv->len, sprint_hex_inrow(atc_tlv->value, atc_tlv->len));
761
762 const struct tlv *core_atc_tlv = tlvdb_get(tlv, 0x9f36, NULL);
763 if(tlv_equal(core_atc_tlv, atc_tlv)) {
764 PrintAndLogEx(SUCCESS, "ATC check OK.");
765 PrintAndLogEx(SUCCESS, "fDDA (fast DDA) verified OK.");
766 } else {
767 PrintAndLogEx(WARNING, "Error: fDDA verified, but ATC in the certificate and ATC in the record not the same.");
768 }
769 } else {
770 PrintAndLogEx(NORMAL, "\nERROR: fDDA (fast DDA) verify error");
771 emv_pk_free(pk);
772 emv_pk_free(issuer_pk);
773 emv_pk_free(icc_pk);
774 return 9;
775 }
776 } else {
777 struct tlvdb *dac_db = emv_pki_recover_dac(issuer_pk, tlv, sda_tlv);
778 if (dac_db) {
779 const struct tlv *dac_tlv = tlvdb_get(dac_db, 0x9f45, NULL);
780 PrintAndLogEx(NORMAL, "SDA verified OK. (%02hhx:%02hhx)\n", dac_tlv->value[0], dac_tlv->value[1]);
781 tlvdb_add(tlv, dac_db);
782 } else {
783 PrintAndLogEx(WARNING, "Error: SSAD verify error");
784 emv_pk_free(pk);
785 emv_pk_free(issuer_pk);
786 emv_pk_free(icc_pk);
787 return 4;
788 }
789
790 PrintAndLogEx(NORMAL, "\n* Calc DDOL");
791 const struct tlv *ddol_tlv = tlvdb_get(tlv, 0x9f49, NULL);
792 if (!ddol_tlv) {
793 ddol_tlv = &default_ddol_tlv;
794 PrintAndLogEx(NORMAL, "DDOL [9f49] not found. Using default DDOL");
795 }
796
797 struct tlv *ddol_data_tlv = dol_process(ddol_tlv, tlv, 0);
798 if (!ddol_data_tlv) {
799 PrintAndLogEx(WARNING, "Error: Can't create DDOL TLV");
800 emv_pk_free(pk);
801 emv_pk_free(issuer_pk);
802 emv_pk_free(icc_pk);
803 return 5;
804 }
805
806 PrintAndLogEx(NORMAL, "DDOL data[%d]: %s", ddol_data_tlv->len, sprint_hex(ddol_data_tlv->value, ddol_data_tlv->len));
807
808 PrintAndLogEx(NORMAL, "\n* Internal Authenticate");
809 int res = EMVInternalAuthenticate(channel, true, (uint8_t *)ddol_data_tlv->value, ddol_data_tlv->len, buf, sizeof(buf), &len, &sw, NULL);
810 if (res) {
811 PrintAndLogEx(WARNING, "Internal Authenticate error(%d): %4x. Exit...", res, sw);
812 free(ddol_data_tlv);
813 emv_pk_free(pk);
814 emv_pk_free(issuer_pk);
815 emv_pk_free(icc_pk);
816 return 6;
817 }
818
819 struct tlvdb *dda_db = NULL;
820 if (buf[0] == 0x80) {
821 if (len < 3 ) {
822 PrintAndLogEx(WARNING, "Error: Internal Authenticate format1 parsing error. length=%d", len);
823 } else {
824 // 9f4b Signed Dynamic Application Data
825 dda_db = tlvdb_fixed(0x9f4b, len - 2, buf + 2);
826 tlvdb_add(tlv, dda_db);
827 if (decodeTLV){
828 PrintAndLogEx(NORMAL, "* * Decode response format 1:");
829 TLVPrintFromTLV(dda_db);
830 }
831 }
832 } else {
833 dda_db = tlvdb_parse_multi(buf, len);
834 if(!dda_db) {
835 PrintAndLogEx(WARNING, "Error: Can't parse Internal Authenticate result as TLV");
836 free(ddol_data_tlv);
837 emv_pk_free(pk);
838 emv_pk_free(issuer_pk);
839 emv_pk_free(icc_pk);
840 return 7;
841 }
842 tlvdb_add(tlv, dda_db);
843
844 if (decodeTLV)
845 TLVPrintFromTLV(dda_db);
846 }
847
848 struct tlvdb *idn_db = emv_pki_recover_idn_ex(icc_pk, dda_db, ddol_data_tlv, true);
849 free(ddol_data_tlv);
850 if (!idn_db) {
851 PrintAndLogEx(WARNING, "Error: Can't recover IDN (ICC Dynamic Number)");
852 tlvdb_free(dda_db);
853 emv_pk_free(pk);
854 emv_pk_free(issuer_pk);
855 emv_pk_free(icc_pk);
856 return 8;
857 }
858 tlvdb_free(dda_db);
859
860 // 9f4c ICC Dynamic Number
861 const struct tlv *idn_tlv = tlvdb_get(idn_db, 0x9f4c, NULL);
862 if(idn_tlv) {
863 PrintAndLogEx(NORMAL, "\nIDN (ICC Dynamic Number) [%zu] %s", idn_tlv->len, sprint_hex_inrow(idn_tlv->value, idn_tlv->len));
864 PrintAndLogEx(NORMAL, "DDA verified OK.");
865 tlvdb_add(tlv, idn_db);
866 tlvdb_free(idn_db);
867 } else {
868 PrintAndLogEx(NORMAL, "\nERROR: DDA verify error");
869 tlvdb_free(idn_db);
870
871 emv_pk_free(pk);
872 emv_pk_free(issuer_pk);
873 emv_pk_free(icc_pk);
874 return 9;
875 }
876 }
877
878 emv_pk_free(pk);
879 emv_pk_free(issuer_pk);
880 emv_pk_free(icc_pk);
881 return 0;
882 }
883
884 int trCDA(struct tlvdb *tlv, struct tlvdb *ac_tlv, struct tlv *pdol_data_tlv, struct tlv *ac_data_tlv) {
885
886 struct emv_pk *pk = get_ca_pk(tlv);
887 if (!pk) {
888 PrintAndLogEx(WARNING, "Error: Key not found. Exit.");
889 return 2;
890 }
891
892 const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL);
893 if (!sda_tlv || sda_tlv->len < 1) {
894 PrintAndLogEx(WARNING, "Error: Can't find input list for Offline Data Authentication. Exit.");
895 emv_pk_free(pk);
896 return 3;
897 }
898
899 struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlv);
900 if (!issuer_pk) {
901 PrintAndLogEx(WARNING, "Error: Issuer certificate not found. Exit.");
902 emv_pk_free(pk);
903 return 2;
904 }
905 PrintAndLogEx(SUCCESS, "Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
906 issuer_pk->rid[0],
907 issuer_pk->rid[1],
908 issuer_pk->rid[2],
909 issuer_pk->rid[3],
910 issuer_pk->rid[4],
911 issuer_pk->index,
912 issuer_pk->serial[0],
913 issuer_pk->serial[1],
914 issuer_pk->serial[2]
915 );
916
917 struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlv, sda_tlv);
918 if (!icc_pk) {
919 PrintAndLogEx(WARNING, "Error: ICC setrificate not found. Exit.");
920 emv_pk_free(pk);
921 emv_pk_free(issuer_pk);
922 return 2;
923 }
924 PrintAndLogEx(SUCCESS, "ICC PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
925 icc_pk->rid[0],
926 icc_pk->rid[1],
927 icc_pk->rid[2],
928 icc_pk->rid[3],
929 icc_pk->rid[4],
930 icc_pk->index,
931 icc_pk->serial[0],
932 icc_pk->serial[1],
933 icc_pk->serial[2]
934 );
935
936 struct tlvdb *dac_db = emv_pki_recover_dac(issuer_pk, tlv, sda_tlv);
937 if (dac_db) {
938 const struct tlv *dac_tlv = tlvdb_get(dac_db, 0x9f45, NULL);
939 PrintAndLogEx(NORMAL, "SSAD verified OK. (%02hhx:%02hhx)", dac_tlv->value[0], dac_tlv->value[1]);
940 tlvdb_add(tlv, dac_db);
941 } else {
942 PrintAndLogEx(WARNING, "Error: SSAD verify error");
943 emv_pk_free(pk);
944 emv_pk_free(issuer_pk);
945 emv_pk_free(icc_pk);
946 return 4;
947 }
948
949 PrintAndLogEx(NORMAL, "\n* * Check Signed Dynamic Application Data (SDAD)");
950 struct tlvdb *idn_db = emv_pki_perform_cda_ex(icc_pk, tlv, ac_tlv,
951 pdol_data_tlv, // pdol
952 ac_data_tlv, // cdol1
953 NULL, // cdol2
954 true);
955 if (idn_db) {
956 const struct tlv *idn_tlv = tlvdb_get(idn_db, 0x9f4c, NULL);
957 PrintAndLogEx(NORMAL, "\nIDN (ICC Dynamic Number) [%zu] %s", idn_tlv->len, sprint_hex_inrow(idn_tlv->value, idn_tlv->len));
958 PrintAndLogEx(NORMAL, "CDA verified OK.");
959 tlvdb_add(tlv, idn_db);
960 } else {
961 PrintAndLogEx(NORMAL, "\nERROR: CDA verify error");
962 }
963
964 emv_pk_free(pk);
965 emv_pk_free(issuer_pk);
966 emv_pk_free(icc_pk);
967 return 0;
968 }
969
970 int RecoveryCertificates(struct tlvdb *tlvRoot, json_t *root) {
971
972 struct emv_pk *pk = get_ca_pk(tlvRoot);
973 if (!pk) {
974 PrintAndLog("ERROR: Key not found. Exit.");
975 return 1;
976 }
977
978 struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlvRoot);
979 if (!issuer_pk) {
980 emv_pk_free(pk);
981 PrintAndLog("WARNING: Issuer certificate not found. Exit.");
982 return 2;
983 }
984 PrintAndLogEx(SUCCESS, "Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx",
985 issuer_pk->rid[0],
986 issuer_pk->rid[1],
987 issuer_pk->rid[2],
988 issuer_pk->rid[3],
989 issuer_pk->rid[4],
990 issuer_pk->index,
991 issuer_pk->serial[0],
992 issuer_pk->serial[1],
993 issuer_pk->serial[2]
994 );
995
996 JsonSaveBufAsHex(root, "$.ApplicationData.RID", issuer_pk->rid, 5);
997
998 char *issuer_pk_c = emv_pk_dump_pk(issuer_pk);
999 JsonSaveStr(root, "$.ApplicationData.IssuerPublicKeyDec", issuer_pk_c);
1000 JsonSaveBufAsHex(root, "$.ApplicationData.IssuerPublicKeyModulus", issuer_pk->modulus, issuer_pk->mlen);
1001 free(issuer_pk_c);
1002
1003 struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlvRoot, NULL);
1004 if (!icc_pk) {
1005 emv_pk_free(pk);
1006 emv_pk_free(issuer_pk);
1007 PrintAndLogEx(WARNING, "WARNING: ICC certificate not found. Exit.");
1008 return 2;
1009 }
1010 PrintAndLogEx(SUCCESS, "ICC PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
1011 icc_pk->rid[0],
1012 icc_pk->rid[1],
1013 icc_pk->rid[2],
1014 icc_pk->rid[3],
1015 icc_pk->rid[4],
1016 icc_pk->index,
1017 icc_pk->serial[0],
1018 icc_pk->serial[1],
1019 icc_pk->serial[2]
1020 );
1021
1022 char *icc_pk_c = emv_pk_dump_pk(icc_pk);
1023 JsonSaveStr(root, "$.ApplicationData.ICCPublicKeyDec", icc_pk_c);
1024 JsonSaveBufAsHex(root, "$.ApplicationData.ICCPublicKeyModulus", icc_pk->modulus, icc_pk->mlen);
1025 free(issuer_pk_c);
1026
1027 return 0;
1028 }
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