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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 if (apdu[1] != 0xc0)
350 apdu_len++; // no Le, add Le = 0x00 because some vendors require it for contactless
351 }
352 }
353 return EMVExchangeEx(channel, false, LeaveFieldON, APDU, apdu_len, Result, MaxResultLen, ResultLen, sw, tlv);
354 }
355
356 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)
357 {
358 uint8_t Select_APDU[APDU_COMMAND_LEN] = {0x00, ISO7816_SELECT_FILE, 0x04, 0x00, AIDLen, 0x00};
359 memcpy(Select_APDU + 5, AID, AIDLen);
360 int apdulen = 5 + AIDLen;
361 if (channel == ECC_CONTACTLESS) {
362 apdulen++; // some vendors require Le = 0x00 for contactless operations
363 }
364 return EMVExchangeEx(channel, ActivateField, LeaveFieldON, Select_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
365 }
366
367 int EMVSelectPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t PSENum, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw) {
368 uint8_t buf[APDU_DATA_LEN] = {0};
369 *ResultLen = 0;
370 int len = 0;
371 int res = 0;
372 switch (PSENum) {
373 case 1:
374 param_gethex_to_eol(PSElist[1], 0, buf, sizeof(buf), &len);
375 break;
376 case 2:
377
378 param_gethex_to_eol(PSElist[0], 0, buf, sizeof(buf), &len);
379 break;
380 default:
381 return -1;
382 }
383
384 // select
385 res = EMVSelect(channel, ActivateField, LeaveFieldON, buf, len, Result, MaxResultLen, ResultLen, sw, NULL);
386
387 return res;
388 }
389
390 int EMVSearchPSE(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, uint8_t PSENum, bool decodeTLV, struct tlvdb *tlv) {
391 uint8_t data[APDU_RESPONSE_LEN] = {0};
392 size_t datalen = 0;
393 uint16_t sw = 0;
394 int res;
395
396 char *PSE_or_PPSE = PSENum == 1 ? "PSE" : "PPSE";
397
398 // select PPSE
399 res = EMVSelectPSE(channel, ActivateField, true, PSENum, data, sizeof(data), &datalen, &sw);
400
401 if (!res){
402 struct tlvdb *t = NULL;
403 t = tlvdb_parse_multi(data, datalen);
404 if (t) {
405 int retrycnt = 0;
406 struct tlvdb *ttmp = tlvdb_find_path(t, (tlv_tag_t[]){0x6f, 0xa5, 0xbf0c, 0x61, 0x00});
407 if (!ttmp)
408 PrintAndLogEx(FAILED, "%s doesn't have any records.", PSE_or_PPSE);
409
410 while (ttmp) {
411 const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x4f, NULL);
412 if (tgAID) {
413 res = EMVSelect(channel, false, true, (uint8_t *)tgAID->value, tgAID->len, data, sizeof(data), &datalen, &sw, tlv);
414
415 // retry if error and not returned sw error
416 if (res && res != 5) {
417 if (++retrycnt < 3){
418 continue;
419 } else {
420 // card select error, proxmark error
421 if (res == 1) {
422 PrintAndLogEx(WARNING, "Exit...");
423 return 1;
424 }
425
426 retrycnt = 0;
427 PrintAndLogEx(NORMAL, "Retry failed [%s]. Skiped...", sprint_hex_inrow(tgAID->value, tgAID->len));
428 }
429
430 // next element
431 ttmp = tlvdb_find_next(ttmp, 0x61);
432 continue;
433 }
434 retrycnt = 0;
435
436 // all is ok
437 if (decodeTLV){
438 PrintAndLogEx(NORMAL, "%s:", sprint_hex_inrow(tgAID->value, tgAID->len));
439 TLVPrintFromBuffer(data, datalen);
440 }
441 }
442
443 ttmp = tlvdb_find_next(ttmp, 0x61);
444 }
445
446 tlvdb_free(t);
447 } else {
448 PrintAndLogEx(WARNING, "%s ERROR: Can't get TLV from response.", PSE_or_PPSE);
449 }
450 } else {
451 PrintAndLogEx(WARNING, "%s ERROR: Can't select PPSE AID. Error: %d", PSE_or_PPSE, res);
452 }
453
454 if(!LeaveFieldON && channel == ECC_CONTACTLESS)
455 DropField();
456
457 return res;
458 }
459
460 int EMVSearch(EMVCommandChannel channel, bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv) {
461 uint8_t aidbuf[APDU_DATA_LEN] = {0};
462 int aidlen = 0;
463 uint8_t data[APDU_RESPONSE_LEN] = {0};
464 size_t datalen = 0;
465 uint16_t sw = 0;
466
467 int res = 0;
468 int retrycnt = 0;
469 for(int i = 0; i < AIDlistLen; i ++) {
470 param_gethex_to_eol(AIDlist[i].aid, 0, aidbuf, sizeof(aidbuf), &aidlen);
471 res = EMVSelect(channel, (i == 0) ? ActivateField : false, (i == AIDlistLen - 1) ? LeaveFieldON : true, aidbuf, aidlen, data, sizeof(data), &datalen, &sw, tlv);
472 // retry if error and not returned sw error
473 if (res && res != 5) {
474 if (++retrycnt < 3){
475 i--;
476 } else {
477 // (1) - card select error, proxmark error OR (200) - result length = 0
478 if (res == 1 || res == 200) {
479 PrintAndLogEx(WARNING, "Exit...");
480 return 1;
481 }
482
483 retrycnt = 0;
484 PrintAndLogEx(FAILED, "Retry failed [%s]. Skipped...", AIDlist[i].aid);
485 }
486 continue;
487 }
488 retrycnt = 0;
489
490 if (res)
491 continue;
492
493 if (!datalen)
494 continue;
495
496 if (decodeTLV) {
497 PrintAndLogEx(SUCCESS, "%s", AIDlist[i].aid);
498 TLVPrintFromBuffer(data, datalen);
499 }
500 }
501
502 return 0;
503 }
504
505 int EMVSelectApplication(struct tlvdb *tlv, uint8_t *AID, size_t *AIDlen) {
506 // check priority. 0x00 - highest
507 int prio = 0xffff;
508
509 *AIDlen = 0;
510
511 struct tlvdb *ttmp = tlvdb_find(tlv, 0x6f);
512 if (!ttmp)
513 return 1;
514
515 while (ttmp) {
516 const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x84, NULL);
517 const struct tlv *tgPrio = tlvdb_get_inchild(ttmp, 0x87, NULL);
518
519 if (!tgAID)
520 break;
521
522 if (tgPrio) {
523 int pt = bytes_to_num((uint8_t*)tgPrio->value, (tgPrio->len < 2) ? tgPrio->len : 2);
524 if (pt < prio) {
525 prio = pt;
526
527 memcpy(AID, tgAID->value, tgAID->len);
528 *AIDlen = tgAID->len;
529 }
530 } else {
531 // takes the first application from list wo priority
532 if (!*AIDlen) {
533 memcpy(AID, tgAID->value, tgAID->len);
534 *AIDlen = tgAID->len;
535 }
536 }
537
538 ttmp = tlvdb_find_next(ttmp, 0x6f);
539 }
540
541 return 0;
542 }
543
544 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)
545 {
546 uint8_t GPO_APDU[APDU_COMMAND_LEN] = {0x80, 0xa8, 0x00, 0x00, PDOLLen, 0x00};
547 memcpy(GPO_APDU + 5, PDOL, PDOLLen);
548 int apdulen = 5 + PDOLLen;
549
550 return EMVExchange(channel, LeaveFieldON, GPO_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
551 }
552
553 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)
554 {
555 uint8_t read_APDU[5] = {0x00, ISO7816_READ_RECORDS, SFIrec, (SFI << 3) | 0x04, 0x00};
556 int res = EMVExchange(channel, LeaveFieldON, read_APDU, sizeof(read_APDU), Result, MaxResultLen, ResultLen, sw, tlv);
557 if (*sw == 0x6700) {
558 PrintAndLogEx(INFO, ">>> trying to reissue command withouth Le...");
559 res = EMVExchangeEx(channel, false, LeaveFieldON, read_APDU, sizeof(read_APDU), Result, MaxResultLen, ResultLen, sw, tlv);
560 }
561 return res;
562 }
563
564 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)
565 {
566 uint8_t CDOL_APDU[APDU_COMMAND_LEN] = {0x80, 0xae, RefControl, 0x00, CDOLLen, 0x00};
567 memcpy(CDOL_APDU + 5, CDOL, CDOLLen);
568 int apdulen = 5 + CDOLLen;
569
570 return EMVExchange(channel, LeaveFieldON, CDOL_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
571 }
572
573 int EMVGenerateChallenge(EMVCommandChannel channel, bool LeaveFieldON, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv)
574 {
575 uint8_t get_challenge_APDU[APDU_COMMAND_LEN] = {0x00, ISO7816_GET_CHALLENGE, 0x00, 0x00};
576
577 int res = EMVExchange(channel, LeaveFieldON, get_challenge_APDU, 4, Result, MaxResultLen, ResultLen, sw, tlv);
578 if (*sw == 0x6700) {
579 PrintAndLogEx(INFO, ">>> trying to reissue command withouth Le...");
580 res = EMVExchangeEx(channel, false, LeaveFieldON, get_challenge_APDU, 4, Result, MaxResultLen, ResultLen, sw, tlv);
581 }
582 return res;
583 }
584
585 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)
586 {
587 uint8_t authenticate_APDU[APDU_COMMAND_LEN] = {0x00, ISO7816_INTERNAL_AUTHENTICATION, 0x00, 0x00, DDOLLen, 0x00};
588 memcpy(authenticate_APDU + 5, DDOL, DDOLLen);
589 int apdulen = 5 + DDOLLen;
590
591 return EMVExchange(channel, LeaveFieldON, authenticate_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
592 }
593
594 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)
595 {
596 uint8_t checksum_APDU[APDU_COMMAND_LEN] = {0x80, 0x2a, 0x8e, 0x80, UDOLlen, 0x00};
597 memcpy(checksum_APDU + 5, UDOL, UDOLlen);
598 int apdulen = 5 + UDOLlen;
599
600 return EMVExchange(channel, LeaveFieldON, checksum_APDU, apdulen, Result, MaxResultLen, ResultLen, sw, tlv);
601 }
602
603 // Authentication
604 struct emv_pk *get_ca_pk(struct tlvdb *db) {
605 const struct tlv *df_tlv = tlvdb_get(db, 0x84, NULL);
606 const struct tlv *caidx_tlv = tlvdb_get(db, 0x8f, NULL);
607
608 if (!df_tlv || !caidx_tlv || df_tlv->len < 6 || caidx_tlv->len != 1)
609 return NULL;
610
611 PrintAndLogEx(NORMAL, "CA public key index 0x%0x", caidx_tlv->value[0]);
612 return emv_pk_get_ca_pk(df_tlv->value, caidx_tlv->value[0]);
613 }
614
615 int trSDA(struct tlvdb *tlv) {
616
617 struct emv_pk *pk = get_ca_pk(tlv);
618 if (!pk) {
619 PrintAndLogEx(WARNING, "Error: Key not found. Exit.");
620 return 2;
621 }
622
623 struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlv);
624 if (!issuer_pk) {
625 emv_pk_free(pk);
626 PrintAndLogEx(WARNING, "Error: Issuer certificate not found. Exit.");
627 return 2;
628 }
629
630 PrintAndLogEx(SUCCESS, "Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx",
631 issuer_pk->rid[0],
632 issuer_pk->rid[1],
633 issuer_pk->rid[2],
634 issuer_pk->rid[3],
635 issuer_pk->rid[4],
636 issuer_pk->index,
637 issuer_pk->serial[0],
638 issuer_pk->serial[1],
639 issuer_pk->serial[2]
640 );
641
642 const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL);
643 if (!sda_tlv || sda_tlv->len < 1) {
644 emv_pk_free(issuer_pk);
645 emv_pk_free(pk);
646 PrintAndLogEx(WARNING, "Can't find input list for Offline Data Authentication. Exit.");
647 return 3;
648 }
649
650 struct tlvdb *dac_db = emv_pki_recover_dac(issuer_pk, tlv, sda_tlv);
651 if (dac_db) {
652 const struct tlv *dac_tlv = tlvdb_get(dac_db, 0x9f45, NULL);
653 PrintAndLogEx(NORMAL, "SDA verified OK. (%02hhx:%02hhx)\n", dac_tlv->value[0], dac_tlv->value[1]);
654 tlvdb_add(tlv, dac_db);
655 } else {
656 emv_pk_free(issuer_pk);
657 emv_pk_free(pk);
658 PrintAndLogEx(WARNING, "SSAD verify error");
659 return 4;
660 }
661
662 emv_pk_free(issuer_pk);
663 emv_pk_free(pk);
664 return 0;
665 }
666
667 static const unsigned char default_ddol_value[] = {0x9f, 0x37, 0x04};
668 static struct tlv default_ddol_tlv = {.tag = 0x9f49, .len = 3, .value = default_ddol_value };
669
670 int trDDA(EMVCommandChannel channel, bool decodeTLV, struct tlvdb *tlv) {
671 uint8_t buf[APDU_RESPONSE_LEN] = {0};
672 size_t len = 0;
673 uint16_t sw = 0;
674
675 struct emv_pk *pk = get_ca_pk(tlv);
676 if (!pk) {
677 PrintAndLogEx(WARNING, "Error: Key not found. Exit.");
678 return 2;
679 }
680
681 const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL);
682 if (!sda_tlv || sda_tlv->len < 1) {
683 emv_pk_free(pk);
684 PrintAndLogEx(WARNING, "Error: Can't find input list for Offline Data Authentication. Exit.");
685 return 3;
686 }
687
688 struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlv);
689 if (!issuer_pk) {
690 emv_pk_free(pk);
691 PrintAndLogEx(WARNING, "Error: Issuer certificate not found. Exit.");
692 return 2;
693 }
694 PrintAndLogEx(SUCCESS, "Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
695 issuer_pk->rid[0],
696 issuer_pk->rid[1],
697 issuer_pk->rid[2],
698 issuer_pk->rid[3],
699 issuer_pk->rid[4],
700 issuer_pk->index,
701 issuer_pk->serial[0],
702 issuer_pk->serial[1],
703 issuer_pk->serial[2]
704 );
705
706 struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlv, sda_tlv);
707 if (!icc_pk) {
708 emv_pk_free(pk);
709 emv_pk_free(issuer_pk);
710 PrintAndLogEx(WARNING, "Error: ICC setrificate not found. Exit.");
711 return 2;
712 }
713 PrintAndLogEx(SUCCESS, "ICC PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
714 icc_pk->rid[0],
715 icc_pk->rid[1],
716 icc_pk->rid[2],
717 icc_pk->rid[3],
718 icc_pk->rid[4],
719 icc_pk->index,
720 icc_pk->serial[0],
721 icc_pk->serial[1],
722 icc_pk->serial[2]
723 );
724
725 struct emv_pk *icc_pe_pk = emv_pki_recover_icc_pe_cert(issuer_pk, tlv);
726 if (!icc_pe_pk) {
727 PrintAndLogEx(WARNING, "WARNING: ICC PE PK recover error. ");
728 } else {
729 PrintAndLogEx(SUCCESS, "ICC PE PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
730 icc_pe_pk->rid[0],
731 icc_pe_pk->rid[1],
732 icc_pe_pk->rid[2],
733 icc_pe_pk->rid[3],
734 icc_pe_pk->rid[4],
735 icc_pe_pk->index,
736 icc_pe_pk->serial[0],
737 icc_pe_pk->serial[1],
738 icc_pe_pk->serial[2]
739 );
740 }
741
742 // 9F4B: Signed Dynamic Application Data
743 const struct tlv *sdad_tlv = tlvdb_get(tlv, 0x9f4b, NULL);
744 // DDA with internal authenticate OR fDDA with filled 0x9F4B tag (GPO result)
745 // EMV kernel3 v2.4, contactless book C-3, C.1., page 147
746 if (sdad_tlv) {
747 PrintAndLogEx(NORMAL, "\n* * Got Signed Dynamic Application Data (9F4B) form GPO. Maybe fDDA...");
748
749 const struct tlvdb *atc_db = emv_pki_recover_atc_ex(icc_pk, tlv, true);
750 if (!atc_db) {
751 PrintAndLogEx(WARNING, "Error: Can't recover IDN (ICC Dynamic Number)");
752 emv_pk_free(pk);
753 emv_pk_free(issuer_pk);
754 emv_pk_free(icc_pk);
755 return 8;
756 }
757
758 // 9f36 Application Transaction Counter (ATC)
759 const struct tlv *atc_tlv = tlvdb_get(atc_db, 0x9f36, NULL);
760 if(atc_tlv) {
761 PrintAndLogEx(NORMAL, "\nATC (Application Transaction Counter) [%zu] %s", atc_tlv->len, sprint_hex_inrow(atc_tlv->value, atc_tlv->len));
762
763 const struct tlv *core_atc_tlv = tlvdb_get(tlv, 0x9f36, NULL);
764 if(tlv_equal(core_atc_tlv, atc_tlv)) {
765 PrintAndLogEx(SUCCESS, "ATC check OK.");
766 PrintAndLogEx(SUCCESS, "fDDA (fast DDA) verified OK.");
767 } else {
768 PrintAndLogEx(WARNING, "Error: fDDA verified, but ATC in the certificate and ATC in the record not the same.");
769 }
770 } else {
771 PrintAndLogEx(NORMAL, "\nERROR: fDDA (fast DDA) verify error");
772 emv_pk_free(pk);
773 emv_pk_free(issuer_pk);
774 emv_pk_free(icc_pk);
775 return 9;
776 }
777 } else {
778 struct tlvdb *dac_db = emv_pki_recover_dac(issuer_pk, tlv, sda_tlv);
779 if (dac_db) {
780 const struct tlv *dac_tlv = tlvdb_get(dac_db, 0x9f45, NULL);
781 PrintAndLogEx(NORMAL, "SDA verified OK. (%02hhx:%02hhx)\n", dac_tlv->value[0], dac_tlv->value[1]);
782 tlvdb_add(tlv, dac_db);
783 } else {
784 PrintAndLogEx(WARNING, "Error: SSAD verify error");
785 emv_pk_free(pk);
786 emv_pk_free(issuer_pk);
787 emv_pk_free(icc_pk);
788 return 4;
789 }
790
791 PrintAndLogEx(NORMAL, "\n* Calc DDOL");
792 const struct tlv *ddol_tlv = tlvdb_get(tlv, 0x9f49, NULL);
793 if (!ddol_tlv) {
794 ddol_tlv = &default_ddol_tlv;
795 PrintAndLogEx(NORMAL, "DDOL [9f49] not found. Using default DDOL");
796 }
797
798 struct tlv *ddol_data_tlv = dol_process(ddol_tlv, tlv, 0);
799 if (!ddol_data_tlv) {
800 PrintAndLogEx(WARNING, "Error: Can't create DDOL TLV");
801 emv_pk_free(pk);
802 emv_pk_free(issuer_pk);
803 emv_pk_free(icc_pk);
804 return 5;
805 }
806
807 PrintAndLogEx(NORMAL, "DDOL data[%d]: %s", ddol_data_tlv->len, sprint_hex(ddol_data_tlv->value, ddol_data_tlv->len));
808
809 PrintAndLogEx(NORMAL, "\n* Internal Authenticate");
810 int res = EMVInternalAuthenticate(channel, true, (uint8_t *)ddol_data_tlv->value, ddol_data_tlv->len, buf, sizeof(buf), &len, &sw, NULL);
811 if (res) {
812 PrintAndLogEx(WARNING, "Internal Authenticate error(%d): %4x. Exit...", res, sw);
813 free(ddol_data_tlv);
814 emv_pk_free(pk);
815 emv_pk_free(issuer_pk);
816 emv_pk_free(icc_pk);
817 return 6;
818 }
819
820 struct tlvdb *dda_db = NULL;
821 if (buf[0] == 0x80) {
822 if (len < 3 ) {
823 PrintAndLogEx(WARNING, "Error: Internal Authenticate format1 parsing error. length=%d", len);
824 } else {
825 // 9f4b Signed Dynamic Application Data
826 dda_db = tlvdb_fixed(0x9f4b, len - 2, buf + 2);
827 tlvdb_add(tlv, dda_db);
828 if (decodeTLV){
829 PrintAndLogEx(NORMAL, "* * Decode response format 1:");
830 TLVPrintFromTLV(dda_db);
831 }
832 }
833 } else {
834 dda_db = tlvdb_parse_multi(buf, len);
835 if(!dda_db) {
836 PrintAndLogEx(WARNING, "Error: Can't parse Internal Authenticate result as TLV");
837 free(ddol_data_tlv);
838 emv_pk_free(pk);
839 emv_pk_free(issuer_pk);
840 emv_pk_free(icc_pk);
841 return 7;
842 }
843 tlvdb_add(tlv, dda_db);
844
845 if (decodeTLV)
846 TLVPrintFromTLV(dda_db);
847 }
848
849 struct tlvdb *idn_db = emv_pki_recover_idn_ex(icc_pk, dda_db, ddol_data_tlv, true);
850 free(ddol_data_tlv);
851 if (!idn_db) {
852 PrintAndLogEx(WARNING, "Error: Can't recover IDN (ICC Dynamic Number)");
853 tlvdb_free(dda_db);
854 emv_pk_free(pk);
855 emv_pk_free(issuer_pk);
856 emv_pk_free(icc_pk);
857 return 8;
858 }
859 tlvdb_free(dda_db);
860
861 // 9f4c ICC Dynamic Number
862 const struct tlv *idn_tlv = tlvdb_get(idn_db, 0x9f4c, NULL);
863 if(idn_tlv) {
864 PrintAndLogEx(NORMAL, "\nIDN (ICC Dynamic Number) [%zu] %s", idn_tlv->len, sprint_hex_inrow(idn_tlv->value, idn_tlv->len));
865 PrintAndLogEx(NORMAL, "DDA verified OK.");
866 tlvdb_add(tlv, idn_db);
867 tlvdb_free(idn_db);
868 } else {
869 PrintAndLogEx(NORMAL, "\nERROR: DDA verify error");
870 tlvdb_free(idn_db);
871
872 emv_pk_free(pk);
873 emv_pk_free(issuer_pk);
874 emv_pk_free(icc_pk);
875 return 9;
876 }
877 }
878
879 emv_pk_free(pk);
880 emv_pk_free(issuer_pk);
881 emv_pk_free(icc_pk);
882 return 0;
883 }
884
885 int trCDA(struct tlvdb *tlv, struct tlvdb *ac_tlv, struct tlv *pdol_data_tlv, struct tlv *ac_data_tlv) {
886
887 struct emv_pk *pk = get_ca_pk(tlv);
888 if (!pk) {
889 PrintAndLogEx(WARNING, "Error: Key not found. Exit.");
890 return 2;
891 }
892
893 const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL);
894 if (!sda_tlv || sda_tlv->len < 1) {
895 PrintAndLogEx(WARNING, "Error: Can't find input list for Offline Data Authentication. Exit.");
896 emv_pk_free(pk);
897 return 3;
898 }
899
900 struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlv);
901 if (!issuer_pk) {
902 PrintAndLogEx(WARNING, "Error: Issuer certificate not found. Exit.");
903 emv_pk_free(pk);
904 return 2;
905 }
906 PrintAndLogEx(SUCCESS, "Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
907 issuer_pk->rid[0],
908 issuer_pk->rid[1],
909 issuer_pk->rid[2],
910 issuer_pk->rid[3],
911 issuer_pk->rid[4],
912 issuer_pk->index,
913 issuer_pk->serial[0],
914 issuer_pk->serial[1],
915 issuer_pk->serial[2]
916 );
917
918 struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlv, sda_tlv);
919 if (!icc_pk) {
920 PrintAndLogEx(WARNING, "Error: ICC setrificate not found. Exit.");
921 emv_pk_free(pk);
922 emv_pk_free(issuer_pk);
923 return 2;
924 }
925 PrintAndLogEx(SUCCESS, "ICC PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
926 icc_pk->rid[0],
927 icc_pk->rid[1],
928 icc_pk->rid[2],
929 icc_pk->rid[3],
930 icc_pk->rid[4],
931 icc_pk->index,
932 icc_pk->serial[0],
933 icc_pk->serial[1],
934 icc_pk->serial[2]
935 );
936
937 struct tlvdb *dac_db = emv_pki_recover_dac(issuer_pk, tlv, sda_tlv);
938 if (dac_db) {
939 const struct tlv *dac_tlv = tlvdb_get(dac_db, 0x9f45, NULL);
940 PrintAndLogEx(NORMAL, "SSAD verified OK. (%02hhx:%02hhx)", dac_tlv->value[0], dac_tlv->value[1]);
941 tlvdb_add(tlv, dac_db);
942 } else {
943 PrintAndLogEx(WARNING, "Error: SSAD verify error");
944 emv_pk_free(pk);
945 emv_pk_free(issuer_pk);
946 emv_pk_free(icc_pk);
947 return 4;
948 }
949
950 PrintAndLogEx(NORMAL, "\n* * Check Signed Dynamic Application Data (SDAD)");
951 struct tlvdb *idn_db = emv_pki_perform_cda_ex(icc_pk, tlv, ac_tlv,
952 pdol_data_tlv, // pdol
953 ac_data_tlv, // cdol1
954 NULL, // cdol2
955 true);
956 if (idn_db) {
957 const struct tlv *idn_tlv = tlvdb_get(idn_db, 0x9f4c, NULL);
958 PrintAndLogEx(NORMAL, "\nIDN (ICC Dynamic Number) [%zu] %s", idn_tlv->len, sprint_hex_inrow(idn_tlv->value, idn_tlv->len));
959 PrintAndLogEx(NORMAL, "CDA verified OK.");
960 tlvdb_add(tlv, idn_db);
961 } else {
962 PrintAndLogEx(NORMAL, "\nERROR: CDA verify error");
963 }
964
965 emv_pk_free(pk);
966 emv_pk_free(issuer_pk);
967 emv_pk_free(icc_pk);
968 return 0;
969 }
970
971 int RecoveryCertificates(struct tlvdb *tlvRoot, json_t *root) {
972
973 struct emv_pk *pk = get_ca_pk(tlvRoot);
974 if (!pk) {
975 PrintAndLog("ERROR: Key not found. Exit.");
976 return 1;
977 }
978
979 struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlvRoot);
980 if (!issuer_pk) {
981 emv_pk_free(pk);
982 PrintAndLog("WARNING: Issuer certificate not found. Exit.");
983 return 2;
984 }
985 PrintAndLogEx(SUCCESS, "Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx",
986 issuer_pk->rid[0],
987 issuer_pk->rid[1],
988 issuer_pk->rid[2],
989 issuer_pk->rid[3],
990 issuer_pk->rid[4],
991 issuer_pk->index,
992 issuer_pk->serial[0],
993 issuer_pk->serial[1],
994 issuer_pk->serial[2]
995 );
996
997 JsonSaveBufAsHex(root, "$.ApplicationData.RID", issuer_pk->rid, 5);
998
999 char *issuer_pk_c = emv_pk_dump_pk(issuer_pk);
1000 JsonSaveStr(root, "$.ApplicationData.IssuerPublicKeyDec", issuer_pk_c);
1001 JsonSaveBufAsHex(root, "$.ApplicationData.IssuerPublicKeyModulus", issuer_pk->modulus, issuer_pk->mlen);
1002 free(issuer_pk_c);
1003
1004 struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlvRoot, NULL);
1005 if (!icc_pk) {
1006 emv_pk_free(pk);
1007 emv_pk_free(issuer_pk);
1008 PrintAndLogEx(WARNING, "WARNING: ICC certificate not found. Exit.");
1009 return 2;
1010 }
1011 PrintAndLogEx(SUCCESS, "ICC PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n",
1012 icc_pk->rid[0],
1013 icc_pk->rid[1],
1014 icc_pk->rid[2],
1015 icc_pk->rid[3],
1016 icc_pk->rid[4],
1017 icc_pk->index,
1018 icc_pk->serial[0],
1019 icc_pk->serial[1],
1020 icc_pk->serial[2]
1021 );
1022
1023 char *icc_pk_c = emv_pk_dump_pk(icc_pk);
1024 JsonSaveStr(root, "$.ApplicationData.ICCPublicKeyDec", icc_pk_c);
1025 JsonSaveBufAsHex(root, "$.ApplicationData.ICCPublicKeyModulus", icc_pk->modulus, icc_pk->mlen);
1026 free(issuer_pk_c);
1027
1028 return 0;
1029 }
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