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a2bb2735 | 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" | |
95b697f0 | 12 | #include "emvjson.h" |
a2bb2735 | 13 | |
3c5fce2b OM |
14 | // Got from here. Thanks) |
15 | // https://eftlab.co.uk/index.php/site-map/knowledge-base/211-emv-aid-rid-pix | |
87fc2dad | 16 | static const char *PSElist [] = { |
3c5fce2b OM |
17 | "325041592E5359532E4444463031", // 2PAY.SYS.DDF01 - Visa Proximity Payment System Environment - PPSE |
18 | "315041592E5359532E4444463031" // 1PAY.SYS.DDF01 - Visa Payment System Environment - PSE | |
19 | }; | |
d03fb293 | 20 | //static const size_t PSElistLen = sizeof(PSElist)/sizeof(char*); |
3c5fce2b | 21 | |
95b697f0 OM |
22 | char *TransactionTypeStr[] = { |
23 | "MSD", | |
24 | "VSDC", | |
25 | "qVCDCMCHIP", | |
26 | "CDA" | |
27 | }; | |
28 | ||
87fc2dad | 29 | typedef struct { |
30 | enum CardPSVendor vendor; | |
31 | const char* aid; | |
32 | } TAIDList; | |
33 | ||
34 | static const TAIDList AIDlist [] = { | |
3c5fce2b | 35 | // Visa International |
87fc2dad | 36 | { CV_VISA, "A00000000305076010"}, // VISA ELO Credit |
37 | { CV_VISA, "A0000000031010" }, // VISA Debit/Credit (Classic) | |
38 | { CV_VISA, "A000000003101001" }, // VISA Credit | |
39 | { CV_VISA, "A000000003101002" }, // VISA Debit | |
40 | { CV_VISA, "A0000000032010" }, // VISA Electron | |
41 | { CV_VISA, "A0000000032020" }, // VISA | |
42 | { CV_VISA, "A0000000033010" }, // VISA Interlink | |
43 | { CV_VISA, "A0000000034010" }, // VISA Specific | |
44 | { CV_VISA, "A0000000035010" }, // VISA Specific | |
45 | { CV_VISA, "A0000000036010" }, // Domestic Visa Cash Stored Value | |
46 | { CV_VISA, "A0000000036020" }, // International Visa Cash Stored Value | |
47 | { CV_VISA, "A0000000038002" }, // VISA Auth, VisaRemAuthen EMV-CAP (DPA) | |
48 | { CV_VISA, "A0000000038010" }, // VISA Plus | |
49 | { CV_VISA, "A0000000039010" }, // VISA Loyalty | |
50 | { CV_VISA, "A000000003999910" }, // VISA Proprietary ATM | |
3c5fce2b | 51 | // Visa USA |
87fc2dad | 52 | { CV_VISA, "A000000098" }, // Debit Card |
53 | { CV_VISA, "A0000000980848" }, // Debit Card | |
3c5fce2b | 54 | // Mastercard International |
87fc2dad | 55 | { CV_MASTERCARD, "A00000000401" }, // MasterCard PayPass |
56 | { CV_MASTERCARD, "A0000000041010" }, // MasterCard Credit | |
57 | { CV_MASTERCARD, "A00000000410101213" }, // MasterCard Credit | |
58 | { CV_MASTERCARD, "A00000000410101215" }, // MasterCard Credit | |
59 | { CV_MASTERCARD, "A0000000042010" }, // MasterCard Specific | |
60 | { CV_MASTERCARD, "A0000000043010" }, // MasterCard Specific | |
61 | { CV_MASTERCARD, "A0000000043060" }, // Maestro (Debit) | |
62 | { CV_MASTERCARD, "A000000004306001" }, // Maestro (Debit) | |
63 | { CV_MASTERCARD, "A0000000044010" }, // MasterCard Specific | |
64 | { CV_MASTERCARD, "A0000000045010" }, // MasterCard Specific | |
65 | { CV_MASTERCARD, "A0000000046000" }, // Cirrus | |
66 | { CV_MASTERCARD, "A0000000048002" }, // SecureCode Auth EMV-CAP | |
67 | { CV_MASTERCARD, "A0000000049999" }, // MasterCard PayPass | |
3c5fce2b | 68 | // American Express |
87fc2dad | 69 | { CV_AMERICANEXPRESS, "A000000025" }, |
70 | { CV_AMERICANEXPRESS, "A0000000250000" }, | |
71 | { CV_AMERICANEXPRESS, "A00000002501" }, | |
72 | { CV_AMERICANEXPRESS, "A000000025010402" }, | |
73 | { CV_AMERICANEXPRESS, "A000000025010701" }, | |
74 | { CV_AMERICANEXPRESS, "A000000025010801" }, | |
3c5fce2b | 75 | // Groupement des Cartes Bancaires "CB" |
87fc2dad | 76 | { CV_CB, "A0000000421010" }, // Cartes Bancaire EMV Card |
77 | { CV_CB, "A0000000422010" }, | |
78 | { CV_CB, "A0000000423010" }, | |
79 | { CV_CB, "A0000000424010" }, | |
80 | { CV_CB, "A0000000425010" }, | |
3c5fce2b | 81 | // JCB CO., LTD. |
87fc2dad | 82 | { CV_JCB, "A00000006510" }, // JCB |
83 | { CV_JCB, "A0000000651010" }, // JCB J Smart Credit | |
84 | // Other | |
85 | { CV_OTHER, "A0000001544442" }, // Banricompras Debito - Banrisul - Banco do Estado do Rio Grande do SUL - S.A. | |
86 | { CV_OTHER, "F0000000030001" }, // BRADESCO | |
87 | { CV_OTHER, "A0000005241010" }, // RuPay - RuPay | |
88 | { CV_OTHER, "D5780000021010" } // Bankaxept - Bankaxept | |
3c5fce2b | 89 | }; |
87fc2dad | 90 | static const size_t AIDlistLen = sizeof(AIDlist)/sizeof(TAIDList); |
3c5fce2b OM |
91 | |
92 | static bool APDULogging = false; | |
93 | void SetAPDULogging(bool logging) { | |
94 | APDULogging = logging; | |
95 | } | |
96 | ||
87fc2dad | 97 | enum CardPSVendor GetCardPSVendor(uint8_t * AID, size_t AIDlen) { |
98 | char buf[100] = {0}; | |
99 | if (AIDlen < 1) | |
100 | return CV_NA; | |
101 | ||
102 | hex_to_buffer((uint8_t *)buf, AID, AIDlen, sizeof(buf) - 1, 0, 0, true); | |
103 | ||
104 | for(int i = 0; i < AIDlistLen; i ++) { | |
105 | if (strncmp(AIDlist[i].aid, buf, strlen(AIDlist[i].aid)) == 0){ | |
106 | return AIDlist[i].vendor; | |
107 | } | |
108 | } | |
109 | ||
110 | return CV_NA; | |
111 | } | |
112 | ||
33a9982c | 113 | static bool print_cb(void *data, const struct tlv *tlv, int level, bool is_leaf) { |
43912d63 | 114 | emv_tag_dump(tlv, stdout, level); |
33a9982c | 115 | if (is_leaf) { |
116 | dump_buffer(tlv->value, tlv->len, stdout, level); | |
117 | } | |
a2bb2735 | 118 | |
119 | return true; | |
120 | } | |
121 | ||
122 | void TLVPrintFromBuffer(uint8_t *data, int datalen) { | |
123 | struct tlvdb *t = NULL; | |
23207d74 | 124 | t = tlvdb_parse_multi(data, datalen); |
a2bb2735 | 125 | if (t) { |
3c5fce2b | 126 | PrintAndLog("-------------------- TLV decoded --------------------"); |
a2bb2735 | 127 | |
43912d63 | 128 | tlvdb_visit(t, print_cb, NULL, 0); |
a2bb2735 | 129 | tlvdb_free(t); |
130 | } else { | |
131 | PrintAndLog("TLV ERROR: Can't parse response as TLV tree."); | |
132 | } | |
133 | } | |
3c5fce2b | 134 | |
87fc2dad | 135 | void TLVPrintFromTLVLev(struct tlvdb *tlv, int level) { |
3c5fce2b OM |
136 | if (!tlv) |
137 | return; | |
138 | ||
87fc2dad | 139 | tlvdb_visit(tlv, print_cb, NULL, level); |
140 | } | |
141 | ||
142 | void TLVPrintFromTLV(struct tlvdb *tlv) { | |
143 | TLVPrintFromTLVLev(tlv, 0); | |
3c5fce2b OM |
144 | } |
145 | ||
146 | void TLVPrintAIDlistFromSelectTLV(struct tlvdb *tlv) { | |
147 | PrintAndLog("|------------------|--------|-------------------------|"); | |
148 | PrintAndLog("| AID |Priority| Name |"); | |
149 | PrintAndLog("|------------------|--------|-------------------------|"); | |
150 | ||
151 | struct tlvdb *ttmp = tlvdb_find(tlv, 0x6f); | |
152 | if (!ttmp) | |
153 | PrintAndLog("| none |"); | |
154 | ||
155 | while (ttmp) { | |
156 | const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x84, NULL); | |
157 | const struct tlv *tgName = tlvdb_get_inchild(ttmp, 0x50, NULL); | |
158 | const struct tlv *tgPrio = tlvdb_get_inchild(ttmp, 0x87, NULL); | |
159 | if (!tgAID) | |
160 | break; | |
161 | PrintAndLog("|%s| %s |%s|", | |
162 | sprint_hex_inrow_ex(tgAID->value, tgAID->len, 18), | |
163 | (tgPrio) ? sprint_hex(tgPrio->value, 1) : " ", | |
164 | (tgName) ? sprint_ascii_ex(tgName->value, tgName->len, 25) : " "); | |
165 | ||
166 | ttmp = tlvdb_find_next(ttmp, 0x6f); | |
167 | } | |
168 | ||
169 | PrintAndLog("|------------------|--------|-------------------------|"); | |
170 | } | |
171 | ||
87fc2dad | 172 | struct tlvdb *GetPANFromTrack2(const struct tlv *track2) { |
173 | char track2Hex[200] = {0}; | |
174 | uint8_t PAN[100] = {0}; | |
175 | int PANlen = 0; | |
176 | char *tmp = track2Hex; | |
3c5fce2b | 177 | |
87fc2dad | 178 | if (!track2) |
179 | return NULL; | |
180 | ||
181 | for (int i = 0; i < track2->len; ++i, tmp += 2) | |
182 | sprintf(tmp, "%02x", (unsigned int)track2->value[i]); | |
183 | ||
184 | int posD = strchr(track2Hex, 'd') - track2Hex; | |
185 | if (posD < 1) | |
186 | return NULL; | |
187 | ||
188 | track2Hex[posD] = 0; | |
189 | if (strlen(track2Hex) % 2) { | |
190 | track2Hex[posD] = 'F'; | |
191 | track2Hex[posD + 1] = '\0'; | |
192 | } | |
193 | ||
194 | param_gethex_to_eol(track2Hex, 0, PAN, sizeof(PAN), &PANlen); | |
195 | ||
196 | return tlvdb_fixed(0x5a, PANlen, PAN); | |
197 | } | |
198 | ||
199 | struct tlvdb *GetdCVVRawFromTrack2(const struct tlv *track2) { | |
200 | char track2Hex[200] = {0}; | |
201 | char dCVVHex[100] = {0}; | |
202 | uint8_t dCVV[100] = {0}; | |
203 | int dCVVlen = 0; | |
204 | const int PINlen = 5; // must calculated from 9F67 MSD Offset but i have not seen this tag) | |
205 | char *tmp = track2Hex; | |
206 | ||
207 | if (!track2) | |
208 | return NULL; | |
209 | ||
210 | for (int i = 0; i < track2->len; ++i, tmp += 2) | |
211 | sprintf(tmp, "%02x", (unsigned int)track2->value[i]); | |
212 | ||
213 | int posD = strchr(track2Hex, 'd') - track2Hex; | |
214 | if (posD < 1) | |
215 | return NULL; | |
216 | ||
217 | memset(dCVVHex, '0', 32); | |
218 | // ATC | |
219 | memcpy(dCVVHex + 0, track2Hex + posD + PINlen + 11, 4); | |
220 | // PAN 5 hex | |
221 | memcpy(dCVVHex + 4, track2Hex, 5); | |
222 | // expire date | |
223 | memcpy(dCVVHex + 9, track2Hex + posD + 1, 4); | |
224 | // service code | |
225 | memcpy(dCVVHex + 13, track2Hex + posD + 5, 3); | |
226 | ||
227 | param_gethex_to_eol(dCVVHex, 0, dCVV, sizeof(dCVV), &dCVVlen); | |
228 | ||
229 | return tlvdb_fixed(0x02, dCVVlen, dCVV); | |
230 | } | |
231 | ||
c80eb8ba | 232 | int EMVExchangeEx(bool ActivateField, bool LeaveFieldON, sAPDU apdu, bool IncludeLe, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) { |
3c5fce2b | 233 | uint8_t data[APDU_RES_LEN] = {0}; |
87fc2dad | 234 | |
3c5fce2b OM |
235 | *ResultLen = 0; |
236 | if (sw) *sw = 0; | |
237 | uint16_t isw = 0; | |
238 | ||
3c5fce2b OM |
239 | if (ActivateField) |
240 | DropField(); | |
241 | ||
87fc2dad | 242 | // COMPUTE APDU |
243 | memcpy(data, &apdu, 5); | |
244 | if (apdu.data) | |
245 | memcpy(&data[5], apdu.data, apdu.Lc); | |
246 | ||
3c5fce2b | 247 | if (APDULogging) |
c80eb8ba | 248 | PrintAndLog(">>>> %s", sprint_hex(data, (IncludeLe?6:5) + apdu.Lc)); |
3c5fce2b | 249 | |
c80eb8ba OM |
250 | // 6 byes + data = INS + CLA + P1 + P2 + Lc + <data = Nc> + Le(?IncludeLe) |
251 | int res = ExchangeAPDU14a(data, (IncludeLe?6:5) + apdu.Lc, ActivateField, LeaveFieldON, Result, (int)MaxResultLen, (int *)ResultLen); | |
3c5fce2b | 252 | |
3c5fce2b OM |
253 | if (res) { |
254 | return res; | |
255 | } | |
87fc2dad | 256 | |
10d4f823 | 257 | if (APDULogging) |
258 | PrintAndLog("<<<< %s", sprint_hex(Result, *ResultLen)); | |
259 | ||
3c5fce2b OM |
260 | *ResultLen -= 2; |
261 | isw = Result[*ResultLen] * 0x0100 + Result[*ResultLen + 1]; | |
262 | if (sw) | |
263 | *sw = isw; | |
264 | ||
265 | if (isw != 0x9000) { | |
266 | if (APDULogging) | |
87fc2dad | 267 | PrintAndLog("APDU(%02x%02x) ERROR: [%4X] %s", apdu.CLA, apdu.INS, isw, GetAPDUCodeDescription(*sw >> 8, *sw & 0xff)); |
3c5fce2b OM |
268 | return 5; |
269 | } | |
270 | ||
271 | // add to tlv tree | |
272 | if (tlv) { | |
273 | struct tlvdb *t = tlvdb_parse_multi(Result, *ResultLen); | |
274 | tlvdb_add(tlv, t); | |
275 | } | |
276 | ||
277 | return 0; | |
278 | } | |
279 | ||
87fc2dad | 280 | int EMVExchange(bool LeaveFieldON, sAPDU apdu, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) { |
c80eb8ba | 281 | return EMVExchangeEx(false, LeaveFieldON, apdu, true, Result, MaxResultLen, ResultLen, sw, tlv); |
87fc2dad | 282 | } |
283 | ||
284 | int EMVSelect(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) { | |
c80eb8ba | 285 | return EMVExchangeEx(ActivateField, LeaveFieldON, (sAPDU){0x00, 0xa4, 0x04, 0x00, AIDLen, AID}, true, Result, MaxResultLen, ResultLen, sw, tlv); |
87fc2dad | 286 | } |
287 | ||
3c5fce2b OM |
288 | int EMVSelectPSE(bool ActivateField, bool LeaveFieldON, uint8_t PSENum, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw) { |
289 | uint8_t buf[APDU_AID_LEN] = {0}; | |
290 | *ResultLen = 0; | |
291 | int len = 0; | |
292 | int res = 0; | |
293 | switch (PSENum) { | |
294 | case 1: | |
295 | param_gethex_to_eol(PSElist[1], 0, buf, sizeof(buf), &len); | |
296 | break; | |
297 | case 2: | |
298 | param_gethex_to_eol(PSElist[0], 0, buf, sizeof(buf), &len); | |
299 | break; | |
300 | default: | |
301 | return -1; | |
302 | } | |
303 | ||
304 | // select | |
305 | res = EMVSelect(ActivateField, LeaveFieldON, buf, len, Result, MaxResultLen, ResultLen, sw, NULL); | |
306 | ||
307 | return res; | |
308 | } | |
309 | ||
310 | int EMVSearchPSE(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv) { | |
311 | uint8_t data[APDU_RES_LEN] = {0}; | |
312 | size_t datalen = 0; | |
313 | uint16_t sw = 0; | |
314 | int res; | |
315 | ||
316 | // select PPSE | |
317 | res = EMVSelectPSE(ActivateField, true, 2, data, sizeof(data), &datalen, &sw); | |
318 | ||
319 | if (!res){ | |
320 | struct tlvdb *t = NULL; | |
321 | t = tlvdb_parse_multi(data, datalen); | |
322 | if (t) { | |
323 | int retrycnt = 0; | |
324 | struct tlvdb *ttmp = tlvdb_find_path(t, (tlv_tag_t[]){0x6f, 0xa5, 0xbf0c, 0x61, 0x00}); | |
325 | if (!ttmp) | |
326 | PrintAndLog("PPSE don't have records."); | |
327 | ||
328 | while (ttmp) { | |
329 | const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x4f, NULL); | |
330 | if (tgAID) { | |
331 | res = EMVSelect(false, true, (uint8_t *)tgAID->value, tgAID->len, data, sizeof(data), &datalen, &sw, tlv); | |
332 | ||
333 | // retry if error and not returned sw error | |
334 | if (res && res != 5) { | |
335 | if (++retrycnt < 3){ | |
336 | continue; | |
337 | } else { | |
338 | // card select error, proxmark error | |
339 | if (res == 1) { | |
340 | PrintAndLog("Exit..."); | |
341 | return 1; | |
342 | } | |
343 | ||
344 | retrycnt = 0; | |
345 | PrintAndLog("Retry failed [%s]. Skiped...", sprint_hex_inrow(tgAID->value, tgAID->len)); | |
346 | } | |
347 | ||
348 | // next element | |
349 | ttmp = tlvdb_find_next(ttmp, 0x61); | |
350 | continue; | |
351 | } | |
352 | retrycnt = 0; | |
353 | ||
354 | // all is ok | |
355 | if (decodeTLV){ | |
356 | PrintAndLog("%s:", sprint_hex_inrow(tgAID->value, tgAID->len)); | |
357 | TLVPrintFromBuffer(data, datalen); | |
358 | } | |
359 | } | |
360 | ||
361 | ttmp = tlvdb_find_next(ttmp, 0x61); | |
362 | } | |
363 | ||
364 | tlvdb_free(t); | |
365 | } else { | |
366 | PrintAndLog("PPSE ERROR: Can't get TLV from response."); | |
367 | } | |
368 | } else { | |
369 | PrintAndLog("PPSE ERROR: Can't select PPSE AID. Error: %d", res); | |
370 | } | |
371 | ||
372 | if(!LeaveFieldON) | |
373 | DropField(); | |
374 | ||
375 | return res; | |
376 | } | |
377 | ||
378 | int EMVSearch(bool ActivateField, bool LeaveFieldON, bool decodeTLV, struct tlvdb *tlv) { | |
379 | uint8_t aidbuf[APDU_AID_LEN] = {0}; | |
380 | int aidlen = 0; | |
381 | uint8_t data[APDU_RES_LEN] = {0}; | |
382 | size_t datalen = 0; | |
383 | uint16_t sw = 0; | |
384 | ||
385 | int res = 0; | |
386 | int retrycnt = 0; | |
387 | for(int i = 0; i < AIDlistLen; i ++) { | |
87fc2dad | 388 | param_gethex_to_eol(AIDlist[i].aid, 0, aidbuf, sizeof(aidbuf), &aidlen); |
3c5fce2b OM |
389 | res = EMVSelect((i == 0) ? ActivateField : false, (i == AIDlistLen - 1) ? LeaveFieldON : true, aidbuf, aidlen, data, sizeof(data), &datalen, &sw, tlv); |
390 | // retry if error and not returned sw error | |
391 | if (res && res != 5) { | |
392 | if (++retrycnt < 3){ | |
393 | i--; | |
394 | } else { | |
395 | // card select error, proxmark error | |
396 | if (res == 1) { | |
397 | PrintAndLog("Exit..."); | |
398 | return 1; | |
399 | } | |
400 | ||
401 | retrycnt = 0; | |
87fc2dad | 402 | PrintAndLog("Retry failed [%s]. Skiped...", AIDlist[i].aid); |
3c5fce2b OM |
403 | } |
404 | continue; | |
405 | } | |
406 | retrycnt = 0; | |
407 | ||
408 | if (res) | |
409 | continue; | |
410 | ||
411 | if (decodeTLV){ | |
87fc2dad | 412 | PrintAndLog("%s:", AIDlist[i].aid); |
3c5fce2b OM |
413 | TLVPrintFromBuffer(data, datalen); |
414 | } | |
415 | } | |
416 | ||
417 | return 0; | |
418 | } | |
419 | ||
420 | int EMVSelectApplication(struct tlvdb *tlv, uint8_t *AID, size_t *AIDlen) { | |
87fc2dad | 421 | // check priority. 0x00 - highest |
3c5fce2b OM |
422 | int prio = 0xffff; |
423 | ||
424 | *AIDlen = 0; | |
425 | ||
426 | struct tlvdb *ttmp = tlvdb_find(tlv, 0x6f); | |
427 | if (!ttmp) | |
428 | return 1; | |
429 | ||
430 | while (ttmp) { | |
431 | const struct tlv *tgAID = tlvdb_get_inchild(ttmp, 0x84, NULL); | |
432 | const struct tlv *tgPrio = tlvdb_get_inchild(ttmp, 0x87, NULL); | |
433 | ||
434 | if (!tgAID) | |
435 | break; | |
436 | ||
437 | if (tgPrio) { | |
438 | int pt = bytes_to_num((uint8_t*)tgPrio->value, (tgPrio->len < 2) ? tgPrio->len : 2); | |
439 | if (pt < prio) { | |
440 | prio = pt; | |
441 | ||
442 | memcpy(AID, tgAID->value, tgAID->len); | |
443 | *AIDlen = tgAID->len; | |
444 | } | |
445 | } else { | |
446 | // takes the first application from list wo priority | |
447 | if (!*AIDlen) { | |
448 | memcpy(AID, tgAID->value, tgAID->len); | |
449 | *AIDlen = tgAID->len; | |
450 | } | |
451 | } | |
452 | ||
453 | ttmp = tlvdb_find_next(ttmp, 0x6f); | |
454 | } | |
455 | ||
456 | return 0; | |
457 | } | |
458 | ||
459 | int EMVGPO(bool LeaveFieldON, uint8_t *PDOL, size_t PDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) { | |
87fc2dad | 460 | return EMVExchange(LeaveFieldON, (sAPDU){0x80, 0xa8, 0x00, 0x00, PDOLLen, PDOL}, Result, MaxResultLen, ResultLen, sw, tlv); |
3c5fce2b OM |
461 | } |
462 | ||
463 | int EMVReadRecord(bool LeaveFieldON, uint8_t SFI, uint8_t SFIrec, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) { | |
c80eb8ba OM |
464 | int res = EMVExchange(LeaveFieldON, (sAPDU){0x00, 0xb2, SFIrec, (SFI << 3) | 0x04, 0, NULL}, Result, MaxResultLen, ResultLen, sw, tlv); |
465 | if (*sw == 0x6700) { | |
466 | PrintAndLog(">>> trying to reissue command withouth Le..."); | |
467 | res = EMVExchangeEx(false, LeaveFieldON, (sAPDU){0x00, 0xb2, SFIrec, (SFI << 3) | 0x04, 0, NULL}, false, Result, MaxResultLen, ResultLen, sw, tlv); | |
468 | } | |
469 | return res; | |
87fc2dad | 470 | } |
3c5fce2b | 471 | |
87fc2dad | 472 | int EMVAC(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) { |
473 | return EMVExchange(LeaveFieldON, (sAPDU){0x80, 0xae, RefControl, 0x00, CDOLLen, CDOL}, Result, MaxResultLen, ResultLen, sw, tlv); | |
3c5fce2b OM |
474 | } |
475 | ||
87fc2dad | 476 | int EMVGenerateChallenge(bool LeaveFieldON, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) { |
c80eb8ba OM |
477 | int res = EMVExchange(LeaveFieldON, (sAPDU){0x00, 0x84, 0x00, 0x00, 0x00, NULL}, Result, MaxResultLen, ResultLen, sw, tlv); |
478 | if (*sw == 0x6700) { | |
479 | PrintAndLog(">>> trying to reissue command withouth Le..."); | |
480 | res = EMVExchangeEx(false, LeaveFieldON, (sAPDU){0x00, 0x84, 0x00, 0x00, 0x00, NULL}, false, Result, MaxResultLen, ResultLen, sw, tlv); | |
481 | } | |
482 | return res; | |
87fc2dad | 483 | } |
3c5fce2b | 484 | |
d03fb293 OM |
485 | int EMVInternalAuthenticate(bool LeaveFieldON, uint8_t *DDOL, size_t DDOLLen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) { |
486 | return EMVExchange(LeaveFieldON, (sAPDU){0x00, 0x88, 0x00, 0x00, DDOLLen, DDOL}, Result, MaxResultLen, ResultLen, sw, tlv); | |
487 | } | |
488 | ||
87fc2dad | 489 | int MSCComputeCryptoChecksum(bool LeaveFieldON, uint8_t *UDOL, uint8_t UDOLlen, uint8_t *Result, size_t MaxResultLen, size_t *ResultLen, uint16_t *sw, struct tlvdb *tlv) { |
490 | return EMVExchange(LeaveFieldON, (sAPDU){0x80, 0x2a, 0x8e, 0x80, UDOLlen, UDOL}, Result, MaxResultLen, ResultLen, sw, tlv); | |
491 | } | |
10d4f823 | 492 | |
493 | // Authentication | |
d03fb293 OM |
494 | static struct emv_pk *get_ca_pk(struct tlvdb *db) { |
495 | const struct tlv *df_tlv = tlvdb_get(db, 0x84, NULL); | |
496 | const struct tlv *caidx_tlv = tlvdb_get(db, 0x8f, NULL); | |
497 | ||
498 | if (!df_tlv || !caidx_tlv || df_tlv->len < 6 || caidx_tlv->len != 1) | |
499 | return NULL; | |
500 | ||
501 | PrintAndLog("CA public key index 0x%0x", caidx_tlv->value[0]); | |
502 | return emv_pk_get_ca_pk(df_tlv->value, caidx_tlv->value[0]); | |
503 | } | |
504 | ||
505 | int trSDA(struct tlvdb *tlv) { | |
506 | ||
507 | struct emv_pk *pk = get_ca_pk(tlv); | |
508 | if (!pk) { | |
509 | PrintAndLog("ERROR: Key not found. Exit."); | |
510 | return 2; | |
511 | } | |
10d4f823 | 512 | |
d03fb293 OM |
513 | struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlv); |
514 | if (!issuer_pk) { | |
515 | emv_pk_free(pk); | |
516 | PrintAndLog("ERROR: Issuer certificate not found. Exit."); | |
517 | return 2; | |
518 | } | |
519 | ||
520 | PrintAndLog("Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx", | |
521 | issuer_pk->rid[0], | |
522 | issuer_pk->rid[1], | |
523 | issuer_pk->rid[2], | |
524 | issuer_pk->rid[3], | |
525 | issuer_pk->rid[4], | |
526 | issuer_pk->index, | |
527 | issuer_pk->serial[0], | |
528 | issuer_pk->serial[1], | |
529 | issuer_pk->serial[2] | |
530 | ); | |
531 | ||
532 | const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL); | |
533 | if (!sda_tlv || sda_tlv->len < 1) { | |
534 | emv_pk_free(issuer_pk); | |
535 | emv_pk_free(pk); | |
536 | PrintAndLog("ERROR: Can't find input list for Offline Data Authentication. Exit."); | |
537 | return 3; | |
538 | } | |
10d4f823 | 539 | |
d03fb293 OM |
540 | struct tlvdb *dac_db = emv_pki_recover_dac(issuer_pk, tlv, sda_tlv); |
541 | if (dac_db) { | |
542 | const struct tlv *dac_tlv = tlvdb_get(dac_db, 0x9f45, NULL); | |
543 | PrintAndLog("SDA verified OK. (%02hhx:%02hhx)\n", dac_tlv->value[0], dac_tlv->value[1]); | |
544 | tlvdb_add(tlv, dac_db); | |
545 | } else { | |
546 | emv_pk_free(issuer_pk); | |
547 | emv_pk_free(pk); | |
548 | PrintAndLog("ERROR: SSAD verify error"); | |
549 | return 4; | |
550 | } | |
10d4f823 | 551 | |
d03fb293 OM |
552 | emv_pk_free(issuer_pk); |
553 | emv_pk_free(pk); | |
554 | return 0; | |
555 | } | |
556 | ||
557 | static const unsigned char default_ddol_value[] = {0x9f, 0x37, 0x04}; | |
558 | static struct tlv default_ddol_tlv = {.tag = 0x9f49, .len = 3, .value = default_ddol_value }; | |
559 | ||
560 | int trDDA(bool decodeTLV, struct tlvdb *tlv) { | |
561 | uint8_t buf[APDU_RES_LEN] = {0}; | |
562 | size_t len = 0; | |
563 | uint16_t sw = 0; | |
564 | ||
565 | struct emv_pk *pk = get_ca_pk(tlv); | |
566 | if (!pk) { | |
567 | PrintAndLog("ERROR: Key not found. Exit."); | |
568 | return 2; | |
569 | } | |
570 | ||
571 | const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL); | |
572 | if (!sda_tlv || sda_tlv->len < 1) { | |
573 | emv_pk_free(pk); | |
574 | PrintAndLog("ERROR: Can't find input list for Offline Data Authentication. Exit."); | |
575 | return 3; | |
576 | } | |
577 | ||
578 | struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlv); | |
579 | if (!issuer_pk) { | |
580 | emv_pk_free(pk); | |
581 | PrintAndLog("ERROR: Issuer certificate not found. Exit."); | |
582 | return 2; | |
583 | } | |
584 | printf("Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n", | |
585 | issuer_pk->rid[0], | |
586 | issuer_pk->rid[1], | |
587 | issuer_pk->rid[2], | |
588 | issuer_pk->rid[3], | |
589 | issuer_pk->rid[4], | |
590 | issuer_pk->index, | |
591 | issuer_pk->serial[0], | |
592 | issuer_pk->serial[1], | |
593 | issuer_pk->serial[2] | |
594 | ); | |
595 | ||
596 | struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlv, sda_tlv); | |
597 | if (!icc_pk) { | |
598 | emv_pk_free(pk); | |
599 | emv_pk_free(issuer_pk); | |
600 | PrintAndLog("ERROR: ICC setrificate not found. Exit."); | |
601 | return 2; | |
602 | } | |
603 | printf("ICC PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n", | |
604 | icc_pk->rid[0], | |
605 | icc_pk->rid[1], | |
606 | icc_pk->rid[2], | |
607 | icc_pk->rid[3], | |
608 | icc_pk->rid[4], | |
609 | icc_pk->index, | |
610 | icc_pk->serial[0], | |
611 | icc_pk->serial[1], | |
612 | icc_pk->serial[2] | |
613 | ); | |
614 | ||
615 | struct emv_pk *icc_pe_pk = emv_pki_recover_icc_pe_cert(issuer_pk, tlv); | |
616 | if (!icc_pe_pk) { | |
617 | PrintAndLog("WARNING: ICC PE PK recover error. "); | |
618 | } else { | |
619 | printf("ICC PE PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n", | |
620 | icc_pe_pk->rid[0], | |
621 | icc_pe_pk->rid[1], | |
622 | icc_pe_pk->rid[2], | |
623 | icc_pe_pk->rid[3], | |
624 | icc_pe_pk->rid[4], | |
625 | icc_pe_pk->index, | |
626 | icc_pe_pk->serial[0], | |
627 | icc_pe_pk->serial[1], | |
628 | icc_pe_pk->serial[2] | |
629 | ); | |
630 | } | |
631 | ||
632 | // 9F4B: Signed Dynamic Application Data | |
633 | const struct tlv *sdad_tlv = tlvdb_get(tlv, 0x9f4b, NULL); | |
634 | // DDA with internal authenticate OR fDDA with filled 0x9F4B tag (GPO result) | |
635 | // EMV kernel3 v2.4, contactless book C-3, C.1., page 147 | |
636 | if (sdad_tlv) { | |
637 | PrintAndLog("\n* * Got Signed Dynamic Application Data (9F4B) form GPO. Maybe fDDA..."); | |
638 | ||
639 | const struct tlvdb *atc_db = emv_pki_recover_atc_ex(icc_pk, tlv, true); | |
640 | if (!atc_db) { | |
641 | PrintAndLog("ERROR: Can't recover IDN (ICC Dynamic Number)"); | |
642 | emv_pk_free(pk); | |
643 | emv_pk_free(issuer_pk); | |
644 | emv_pk_free(icc_pk); | |
645 | return 8; | |
646 | } | |
647 | ||
648 | // 9f36 Application Transaction Counter (ATC) | |
649 | const struct tlv *atc_tlv = tlvdb_get(atc_db, 0x9f36, NULL); | |
650 | if(atc_tlv) { | |
651 | PrintAndLog("\nATC (Application Transaction Counter) [%zu] %s", atc_tlv->len, sprint_hex_inrow(atc_tlv->value, atc_tlv->len)); | |
652 | ||
653 | const struct tlv *core_atc_tlv = tlvdb_get(tlv, 0x9f36, NULL); | |
654 | if(tlv_equal(core_atc_tlv, atc_tlv)) { | |
655 | PrintAndLog("ATC check OK."); | |
656 | PrintAndLog("fDDA (fast DDA) verified OK."); | |
657 | } else { | |
658 | PrintAndLog("ERROR: fDDA verified, but ATC in the certificate and ATC in the record not the same."); | |
659 | } | |
660 | } else { | |
661 | PrintAndLog("\nERROR: fDDA (fast DDA) verify error"); | |
662 | emv_pk_free(pk); | |
663 | emv_pk_free(issuer_pk); | |
664 | emv_pk_free(icc_pk); | |
665 | return 9; | |
666 | } | |
667 | } else { | |
668 | struct tlvdb *dac_db = emv_pki_recover_dac(issuer_pk, tlv, sda_tlv); | |
669 | if (dac_db) { | |
670 | const struct tlv *dac_tlv = tlvdb_get(dac_db, 0x9f45, NULL); | |
671 | printf("SDA verified OK. (%02hhx:%02hhx)\n", dac_tlv->value[0], dac_tlv->value[1]); | |
672 | tlvdb_add(tlv, dac_db); | |
673 | } else { | |
674 | PrintAndLog("ERROR: SSAD verify error"); | |
675 | emv_pk_free(pk); | |
676 | emv_pk_free(issuer_pk); | |
677 | emv_pk_free(icc_pk); | |
678 | return 4; | |
679 | } | |
680 | ||
681 | PrintAndLog("\n* Calc DDOL"); | |
682 | const struct tlv *ddol_tlv = tlvdb_get(tlv, 0x9f49, NULL); | |
683 | if (!ddol_tlv) { | |
684 | ddol_tlv = &default_ddol_tlv; | |
685 | PrintAndLog("DDOL [9f49] not found. Using default DDOL"); | |
686 | } | |
687 | ||
688 | struct tlv *ddol_data_tlv = dol_process(ddol_tlv, tlv, 0); | |
689 | if (!ddol_data_tlv) { | |
690 | PrintAndLog("ERROR: Can't create DDOL TLV"); | |
691 | emv_pk_free(pk); | |
692 | emv_pk_free(issuer_pk); | |
693 | emv_pk_free(icc_pk); | |
694 | return 5; | |
695 | } | |
696 | ||
697 | PrintAndLog("DDOL data[%d]: %s", ddol_data_tlv->len, sprint_hex(ddol_data_tlv->value, ddol_data_tlv->len)); | |
698 | ||
699 | PrintAndLog("\n* Internal Authenticate"); | |
700 | int res = EMVInternalAuthenticate(true, (uint8_t *)ddol_data_tlv->value, ddol_data_tlv->len, buf, sizeof(buf), &len, &sw, NULL); | |
701 | if (res) { | |
702 | PrintAndLog("Internal Authenticate error(%d): %4x. Exit...", res, sw); | |
703 | free(ddol_data_tlv); | |
704 | emv_pk_free(pk); | |
705 | emv_pk_free(issuer_pk); | |
706 | emv_pk_free(icc_pk); | |
707 | return 6; | |
708 | } | |
709 | ||
710 | struct tlvdb *dda_db = NULL; | |
711 | if (buf[0] == 0x80) { | |
712 | if (len < 3 ) { | |
713 | PrintAndLog("ERROR: Internal Authenticate format1 parsing error. length=%d", len); | |
714 | } else { | |
715 | // 9f4b Signed Dynamic Application Data | |
716 | dda_db = tlvdb_fixed(0x9f4b, len - 2, buf + 2); | |
717 | tlvdb_add(tlv, dda_db); | |
718 | if (decodeTLV){ | |
719 | PrintAndLog("* * Decode response format 1:"); | |
720 | TLVPrintFromTLV(dda_db); | |
721 | } | |
722 | } | |
723 | } else { | |
724 | dda_db = tlvdb_parse_multi(buf, len); | |
725 | if(!dda_db) { | |
726 | PrintAndLog("ERROR: Can't parse Internal Authenticate result as TLV"); | |
727 | free(ddol_data_tlv); | |
728 | emv_pk_free(pk); | |
729 | emv_pk_free(issuer_pk); | |
730 | emv_pk_free(icc_pk); | |
731 | return 7; | |
732 | } | |
733 | tlvdb_add(tlv, dda_db); | |
734 | ||
735 | if (decodeTLV) | |
736 | TLVPrintFromTLV(dda_db); | |
737 | } | |
738 | ||
739 | struct tlvdb *idn_db = emv_pki_recover_idn_ex(icc_pk, dda_db, ddol_data_tlv, true); | |
740 | free(ddol_data_tlv); | |
741 | if (!idn_db) { | |
742 | PrintAndLog("ERROR: Can't recover IDN (ICC Dynamic Number)"); | |
743 | tlvdb_free(dda_db); | |
744 | emv_pk_free(pk); | |
745 | emv_pk_free(issuer_pk); | |
746 | emv_pk_free(icc_pk); | |
747 | return 8; | |
748 | } | |
749 | tlvdb_free(dda_db); | |
750 | ||
751 | // 9f4c ICC Dynamic Number | |
752 | const struct tlv *idn_tlv = tlvdb_get(idn_db, 0x9f4c, NULL); | |
753 | if(idn_tlv) { | |
754 | PrintAndLog("\nIDN (ICC Dynamic Number) [%zu] %s", idn_tlv->len, sprint_hex_inrow(idn_tlv->value, idn_tlv->len)); | |
755 | PrintAndLog("DDA verified OK."); | |
756 | tlvdb_add(tlv, idn_db); | |
757 | tlvdb_free(idn_db); | |
758 | } else { | |
759 | PrintAndLog("\nERROR: DDA verify error"); | |
760 | tlvdb_free(idn_db); | |
761 | ||
762 | emv_pk_free(pk); | |
763 | emv_pk_free(issuer_pk); | |
764 | emv_pk_free(icc_pk); | |
765 | return 9; | |
766 | } | |
767 | } | |
10d4f823 | 768 | |
d03fb293 OM |
769 | emv_pk_free(pk); |
770 | emv_pk_free(issuer_pk); | |
771 | emv_pk_free(icc_pk); | |
10d4f823 | 772 | return 0; |
773 | } | |
774 | ||
d03fb293 OM |
775 | int trCDA(struct tlvdb *tlv, struct tlvdb *ac_tlv, struct tlv *pdol_data_tlv, struct tlv *ac_data_tlv) { |
776 | ||
777 | struct emv_pk *pk = get_ca_pk(tlv); | |
778 | if (!pk) { | |
779 | PrintAndLog("ERROR: Key not found. Exit."); | |
780 | return 2; | |
781 | } | |
782 | ||
783 | const struct tlv *sda_tlv = tlvdb_get(tlv, 0x21, NULL); | |
784 | if (!sda_tlv || sda_tlv->len < 1) { | |
785 | PrintAndLog("ERROR: Can't find input list for Offline Data Authentication. Exit."); | |
786 | emv_pk_free(pk); | |
787 | return 3; | |
788 | } | |
789 | ||
790 | struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlv); | |
791 | if (!issuer_pk) { | |
792 | PrintAndLog("ERROR: Issuer certificate not found. Exit."); | |
793 | emv_pk_free(pk); | |
794 | return 2; | |
795 | } | |
796 | printf("Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n", | |
797 | issuer_pk->rid[0], | |
798 | issuer_pk->rid[1], | |
799 | issuer_pk->rid[2], | |
800 | issuer_pk->rid[3], | |
801 | issuer_pk->rid[4], | |
802 | issuer_pk->index, | |
803 | issuer_pk->serial[0], | |
804 | issuer_pk->serial[1], | |
805 | issuer_pk->serial[2] | |
806 | ); | |
807 | ||
808 | struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlv, sda_tlv); | |
809 | if (!icc_pk) { | |
810 | PrintAndLog("ERROR: ICC setrificate not found. Exit."); | |
811 | emv_pk_free(pk); | |
812 | emv_pk_free(issuer_pk); | |
813 | return 2; | |
814 | } | |
815 | printf("ICC PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n", | |
816 | icc_pk->rid[0], | |
817 | icc_pk->rid[1], | |
818 | icc_pk->rid[2], | |
819 | icc_pk->rid[3], | |
820 | icc_pk->rid[4], | |
821 | icc_pk->index, | |
822 | icc_pk->serial[0], | |
823 | icc_pk->serial[1], | |
824 | icc_pk->serial[2] | |
825 | ); | |
826 | ||
827 | struct tlvdb *dac_db = emv_pki_recover_dac(issuer_pk, tlv, sda_tlv); | |
828 | if (dac_db) { | |
829 | const struct tlv *dac_tlv = tlvdb_get(dac_db, 0x9f45, NULL); | |
830 | PrintAndLog("SSAD verified OK. (%02hhx:%02hhx)", dac_tlv->value[0], dac_tlv->value[1]); | |
831 | tlvdb_add(tlv, dac_db); | |
832 | } else { | |
833 | PrintAndLog("ERROR: SSAD verify error"); | |
834 | emv_pk_free(pk); | |
835 | emv_pk_free(issuer_pk); | |
836 | emv_pk_free(icc_pk); | |
837 | return 4; | |
838 | } | |
839 | ||
840 | PrintAndLog("\n* * Check Signed Dynamic Application Data (SDAD)"); | |
841 | struct tlvdb *idn_db = emv_pki_perform_cda_ex(icc_pk, tlv, ac_tlv, | |
842 | pdol_data_tlv, // pdol | |
843 | ac_data_tlv, // cdol1 | |
844 | NULL, // cdol2 | |
845 | true); | |
846 | if (idn_db) { | |
847 | const struct tlv *idn_tlv = tlvdb_get(idn_db, 0x9f4c, NULL); | |
848 | PrintAndLog("\nIDN (ICC Dynamic Number) [%zu] %s", idn_tlv->len, sprint_hex_inrow(idn_tlv->value, idn_tlv->len)); | |
849 | PrintAndLog("CDA verified OK."); | |
850 | tlvdb_add(tlv, idn_db); | |
851 | } else { | |
852 | PrintAndLog("\nERROR: CDA verify error"); | |
853 | } | |
854 | ||
855 | emv_pk_free(pk); | |
856 | emv_pk_free(issuer_pk); | |
857 | emv_pk_free(icc_pk); | |
858 | return 0; | |
859 | } | |
95b697f0 OM |
860 | |
861 | int RecoveryCertificates(struct tlvdb *tlvRoot, json_t *root) { | |
862 | ||
863 | struct emv_pk *pk = get_ca_pk(tlvRoot); | |
864 | if (!pk) { | |
865 | PrintAndLog("ERROR: Key not found. Exit."); | |
866 | return 1; | |
867 | } | |
868 | ||
869 | struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlvRoot); | |
870 | if (!issuer_pk) { | |
871 | emv_pk_free(pk); | |
872 | PrintAndLog("WARNING: Issuer certificate not found. Exit."); | |
873 | return 2; | |
874 | } | |
875 | PrintAndLog("Issuer PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx", | |
876 | issuer_pk->rid[0], | |
877 | issuer_pk->rid[1], | |
878 | issuer_pk->rid[2], | |
879 | issuer_pk->rid[3], | |
880 | issuer_pk->rid[4], | |
881 | issuer_pk->index, | |
882 | issuer_pk->serial[0], | |
883 | issuer_pk->serial[1], | |
884 | issuer_pk->serial[2] | |
885 | ); | |
886 | ||
887 | JsonSaveBufAsHex(root, "$.ApplicationData.RID", issuer_pk->rid, 5); | |
888 | ||
889 | char *issuer_pk_c = emv_pk_dump_pk(issuer_pk); | |
890 | JsonSaveStr(root, "$.ApplicationData.IssuerPublicKeyDec", issuer_pk_c); | |
891 | JsonSaveBufAsHex(root, "$.ApplicationData.IssuerPublicKeyModulus", issuer_pk->modulus, issuer_pk->mlen); | |
892 | free(issuer_pk_c); | |
893 | ||
894 | struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlvRoot, NULL); | |
895 | if (!icc_pk) { | |
896 | emv_pk_free(pk); | |
897 | emv_pk_free(issuer_pk); | |
898 | PrintAndLog("WARNING: ICC certificate not found. Exit."); | |
899 | return 2; | |
900 | } | |
901 | printf("ICC PK recovered. RID %02hhx:%02hhx:%02hhx:%02hhx:%02hhx IDX %02hhx CSN %02hhx:%02hhx:%02hhx\n", | |
902 | icc_pk->rid[0], | |
903 | icc_pk->rid[1], | |
904 | icc_pk->rid[2], | |
905 | icc_pk->rid[3], | |
906 | icc_pk->rid[4], | |
907 | icc_pk->index, | |
908 | icc_pk->serial[0], | |
909 | icc_pk->serial[1], | |
910 | icc_pk->serial[2] | |
911 | ); | |
912 | ||
913 | char *icc_pk_c = emv_pk_dump_pk(icc_pk); | |
914 | JsonSaveStr(root, "$.ApplicationData.ICCPublicKeyDec", icc_pk_c); | |
915 | JsonSaveBufAsHex(root, "$.ApplicationData.ICCPublicKeyModulus", icc_pk->modulus, icc_pk->mlen); | |
916 | free(issuer_pk_c); | |
917 | ||
918 | return 0; | |
919 | } |