]>
Commit | Line | Data |
---|---|---|
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 | } |