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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 commands | |
9 | //----------------------------------------------------------------------------- | |
10 | ||
11 | #include <ctype.h> | |
12 | #include "cmdemv.h" | |
13 | #include "test/cryptotest.h" | |
14 | #include "cliparser/cliparser.h" | |
15 | ||
16 | int CmdHFEMVSelect(const char *cmd) { | |
17 | uint8_t data[APDU_AID_LEN] = {0}; | |
18 | int datalen = 0; | |
19 | ||
20 | ||
21 | CLIParserInit("hf 14a select", | |
22 | "Executes select applet command", | |
23 | "Usage:\n\thf emv select -s a00000000101 -> select card, select applet\n\thf emv select -st a00000000101 -> select card, select applet, show result in TLV\n"); | |
24 | ||
25 | void* argtable[] = { | |
26 | arg_param_begin, | |
27 | arg_lit0("sS", "select", "activate field and select card"), | |
28 | arg_lit0("kK", "keep", "keep field for next command"), | |
29 | arg_lit0("aA", "apdu", "show APDU reqests and responses"), | |
30 | arg_lit0("tT", "tlv", "TLV decode results"), | |
31 | arg_str0(NULL, NULL, "<HEX applet AID>", NULL), | |
32 | arg_param_end | |
33 | }; | |
34 | CLIExecWithReturn(cmd, argtable, true); | |
35 | ||
36 | bool activateField = arg_get_lit(1); | |
37 | bool leaveSignalON = arg_get_lit(2); | |
38 | bool APDULogging = arg_get_lit(3); | |
39 | bool decodeTLV = arg_get_lit(4); | |
40 | CLIGetStrWithReturn(5, data, &datalen); | |
41 | CLIParserFree(); | |
42 | ||
43 | SetAPDULogging(APDULogging); | |
44 | ||
45 | // exec | |
46 | uint8_t buf[APDU_RES_LEN] = {0}; | |
47 | size_t len = 0; | |
48 | uint16_t sw = 0; | |
49 | int res = EMVSelect(activateField, leaveSignalON, data, datalen, buf, sizeof(buf), &len, &sw, NULL); | |
50 | ||
51 | if (sw) | |
52 | PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); | |
53 | ||
54 | if (res) | |
55 | return res; | |
56 | ||
57 | if (decodeTLV) | |
58 | TLVPrintFromBuffer(buf, len); | |
59 | ||
60 | return 0; | |
61 | } | |
62 | ||
63 | int CmdHFEMVSearch(const char *cmd) { | |
64 | ||
65 | CLIParserInit("hf 14a select", | |
66 | "Tries to select all applets from applet list:\n", | |
67 | "Usage:\n\thf emv search -s -> select card and search\n\thf emv search -st -> select card, search and show result in TLV\n"); | |
68 | ||
69 | void* argtable[] = { | |
70 | arg_param_begin, | |
71 | arg_lit0("sS", "select", "activate field and select card"), | |
72 | arg_lit0("kK", "keep", "keep field ON for next command"), | |
73 | arg_lit0("aA", "apdu", "show APDU reqests and responses"), | |
74 | arg_lit0("tT", "tlv", "TLV decode results of selected applets"), | |
75 | arg_param_end | |
76 | }; | |
77 | CLIExecWithReturn(cmd, argtable, true); | |
78 | ||
79 | bool activateField = arg_get_lit(1); | |
80 | bool leaveSignalON = arg_get_lit(2); | |
81 | bool APDULogging = arg_get_lit(3); | |
82 | bool decodeTLV = arg_get_lit(4); | |
83 | CLIParserFree(); | |
84 | ||
85 | SetAPDULogging(APDULogging); | |
86 | ||
87 | struct tlvdb *t = NULL; | |
88 | const char *al = "Applets list"; | |
89 | t = tlvdb_fixed(1, strlen(al), (const unsigned char *)al); | |
90 | ||
91 | if (EMVSearch(activateField, leaveSignalON, decodeTLV, t)) { | |
92 | tlvdb_free(t); | |
93 | return 2; | |
94 | } | |
95 | ||
96 | PrintAndLog("Search completed."); | |
97 | ||
98 | // print list here | |
99 | if (!decodeTLV) { | |
100 | TLVPrintAIDlistFromSelectTLV(t); | |
101 | } | |
102 | ||
103 | tlvdb_free(t); | |
104 | ||
105 | return 0; | |
106 | } | |
107 | ||
108 | int CmdHFEMVPPSE(const char *cmd) { | |
109 | ||
110 | CLIParserInit("hf 14a pse", | |
111 | "Executes PSE/PPSE select command. It returns list of applet on the card:\n", | |
112 | "Usage:\n\thf emv pse -s1 -> select, get pse\n\thf emv pse -st2 -> select, get ppse, show result in TLV\n"); | |
113 | ||
114 | void* argtable[] = { | |
115 | arg_param_begin, | |
116 | arg_lit0("sS", "select", "activate field and select card"), | |
117 | arg_lit0("kK", "keep", "keep field ON for next command"), | |
118 | arg_lit0("1", "pse", "pse (1PAY.SYS.DDF01) mode"), | |
119 | arg_lit0("2", "ppse", "ppse (2PAY.SYS.DDF01) mode (default mode)"), | |
120 | arg_lit0("aA", "apdu", "show APDU reqests and responses"), | |
121 | arg_lit0("tT", "tlv", "TLV decode results of selected applets"), | |
122 | arg_param_end | |
123 | }; | |
124 | CLIExecWithReturn(cmd, argtable, true); | |
125 | ||
126 | bool activateField = arg_get_lit(1); | |
127 | bool leaveSignalON = arg_get_lit(2); | |
128 | uint8_t PSENum = 2; | |
129 | if (arg_get_lit(3)) | |
130 | PSENum = 1; | |
131 | if (arg_get_lit(4)) | |
132 | PSENum = 2; | |
133 | bool APDULogging = arg_get_lit(5); | |
134 | bool decodeTLV = arg_get_lit(6); | |
135 | CLIParserFree(); | |
136 | ||
137 | SetAPDULogging(APDULogging); | |
138 | ||
139 | // exec | |
140 | uint8_t buf[APDU_RES_LEN] = {0}; | |
141 | size_t len = 0; | |
142 | uint16_t sw = 0; | |
143 | int res = EMVSelectPSE(activateField, leaveSignalON, PSENum, buf, sizeof(buf), &len, &sw); | |
144 | ||
145 | if (sw) | |
146 | PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); | |
147 | ||
148 | if (res) | |
149 | return res; | |
150 | ||
151 | ||
152 | if (decodeTLV) | |
153 | TLVPrintFromBuffer(buf, len); | |
154 | ||
155 | return 0; | |
156 | } | |
157 | ||
158 | int CmdHFEMVGPO(const char *cmd) { | |
159 | uint8_t data[APDU_RES_LEN] = {0}; | |
160 | int datalen = 0; | |
161 | ||
162 | CLIParserInit("hf 14a gpo", | |
163 | "Executes Get Processing Options command. It returns data in TLV format (0x77 - format2) or plain (0x80 - format1) formats.\nNeeds a bank applet to be selected.\n", | |
164 | "Usage:\n\thf emv gpo -k -> select, execute GPO\n\thf emv gpo -st 01020304 -> select, execute GPO with 4-byte PDOL data, show result in TLV\n"); | |
165 | ||
166 | void* argtable[] = { | |
167 | arg_param_begin, | |
168 | arg_lit0("kK", "keep", "keep field ON for next command"), | |
169 | arg_lit0("pP", "params", "load parameters for PDOL making from `emv/defparams.json` file (by default uses default parameters) (NOT WORK!!!)"), | |
170 | arg_lit0("mM", "make", "make PDOLdata from PDOL (tag 9F38) and parameters (NOT WORK!!!)"), | |
171 | arg_lit0("aA", "apdu", "show APDU reqests and responses"), | |
172 | arg_lit0("tT", "tlv", "TLV decode results of selected applets"), | |
173 | arg_str0(NULL, NULL, "<HEX PDOLdata/PDOL>", NULL), | |
174 | arg_param_end | |
175 | }; | |
176 | CLIExecWithReturn(cmd, argtable, true); | |
177 | ||
178 | bool leaveSignalON = arg_get_lit(1); | |
179 | bool paramsLoadFromFile = arg_get_lit(2); | |
180 | bool dataMakeFromPDOL = arg_get_lit(3); | |
181 | bool APDULogging = arg_get_lit(4); | |
182 | bool decodeTLV = arg_get_lit(5); | |
183 | CLIGetStrWithReturn(6, data, &datalen); | |
184 | CLIParserFree(); | |
185 | ||
186 | SetAPDULogging(APDULogging); | |
187 | ||
188 | // Init TLV tree | |
189 | const char *alr = "Root terminal TLV tree"; | |
190 | struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr); | |
191 | ||
192 | // calc PDOL | |
193 | struct tlv *pdol_data_tlv = NULL; | |
194 | struct tlv data_tlv = { | |
195 | .tag = 0x83, //was 01 | |
196 | .len = datalen, | |
197 | .value = (uint8_t *)data, | |
198 | }; | |
199 | if (dataMakeFromPDOL) { | |
200 | // TODO | |
201 | PrintAndLog("Make PDOL data not implemented!"); | |
202 | if (paramsLoadFromFile) { | |
203 | }; | |
204 | /* pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83); | |
205 | if (!pdol_data_tlv){ | |
206 | PrintAndLog("ERROR: can't create PDOL TLV."); | |
207 | tlvdb_free(tlvRoot); | |
208 | return 4; | |
209 | }*/ | |
210 | return 0; | |
211 | } else { | |
212 | pdol_data_tlv = &data_tlv; | |
213 | } | |
214 | ||
215 | size_t pdol_data_tlv_data_len = 0; | |
216 | unsigned char *pdol_data_tlv_data = tlv_encode(pdol_data_tlv, &pdol_data_tlv_data_len); | |
217 | if (!pdol_data_tlv_data) { | |
218 | PrintAndLog("ERROR: can't create PDOL data."); | |
219 | tlvdb_free(tlvRoot); | |
220 | return 4; | |
221 | } | |
222 | PrintAndLog("PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len)); | |
223 | ||
224 | // exec | |
225 | uint8_t buf[APDU_RES_LEN] = {0}; | |
226 | size_t len = 0; | |
227 | uint16_t sw = 0; | |
228 | int res = EMVGPO(leaveSignalON, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot); | |
229 | ||
230 | free(pdol_data_tlv_data); | |
231 | tlvdb_free(tlvRoot); | |
232 | ||
233 | if (sw) | |
234 | PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); | |
235 | ||
236 | if (res) | |
237 | return res; | |
238 | ||
239 | if (decodeTLV) | |
240 | TLVPrintFromBuffer(buf, len); | |
241 | ||
242 | return 0; | |
243 | } | |
244 | ||
245 | int CmdHFEMVReadRecord(const char *cmd) { | |
246 | uint8_t data[APDU_RES_LEN] = {0}; | |
247 | int datalen = 0; | |
248 | ||
249 | CLIParserInit("hf 14a readrec", | |
250 | "Executes Read Record command. It returns data in TLV format.\nNeeds a bank applet to be selected and sometimes needs GPO to be executed.\n", | |
251 | "Usage:\n\thf emv readrec -k -> select, get pse\n\thf emv readrec -st2 -> select, get ppse, show result in TLV\n"); | |
252 | ||
253 | void* argtable[] = { | |
254 | arg_param_begin, | |
255 | arg_lit0("kK", "keep", "keep field ON for next command"), | |
256 | arg_lit0("aA", "apdu", "show APDU reqests and responses"), | |
257 | arg_lit0("tT", "tlv", "TLV decode results of selected applets"), | |
258 | arg_str0(NULL, NULL, "<SFI 1byte HEX><SFIrec 1byte HEX>", NULL), | |
259 | arg_param_end | |
260 | }; | |
261 | CLIExecWithReturn(cmd, argtable, true); | |
262 | ||
263 | bool leaveSignalON = arg_get_lit(1); | |
264 | bool APDULogging = arg_get_lit(2); | |
265 | bool decodeTLV = arg_get_lit(3); | |
266 | CLIGetStrWithReturn(4, data, &datalen); | |
267 | CLIParserFree(); | |
268 | ||
269 | if (datalen != 2) { | |
270 | PrintAndLog("ERROR: Command needs to have 2 bytes of data"); | |
271 | return 1; | |
272 | } | |
273 | ||
274 | SetAPDULogging(APDULogging); | |
275 | ||
276 | // exec | |
277 | uint8_t buf[APDU_RES_LEN] = {0}; | |
278 | size_t len = 0; | |
279 | uint16_t sw = 0; | |
280 | int res = EMVReadRecord(leaveSignalON, data[0], data[1], buf, sizeof(buf), &len, &sw, NULL); | |
281 | ||
282 | if (sw) | |
283 | PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); | |
284 | ||
285 | if (res) | |
286 | return res; | |
287 | ||
288 | ||
289 | if (decodeTLV) | |
290 | TLVPrintFromBuffer(buf, len); | |
291 | ||
292 | return 0; | |
293 | } | |
294 | ||
295 | int CmdHFEMVAC(const char *cmd) { | |
296 | ||
297 | return 0; | |
298 | } | |
299 | ||
300 | int CmdHFEMVGenerateChallenge(const char *cmd) { | |
301 | ||
302 | return 0; | |
303 | } | |
304 | ||
305 | int CmdHFEMVInternalAuthenticate(const char *cmd) { | |
306 | ||
307 | return 0; | |
308 | } | |
309 | ||
310 | int UsageCmdHFEMVExec(void) { | |
311 | PrintAndLog("HELP : Executes EMV contactless transaction:\n"); | |
312 | PrintAndLog("Usage: hf emv exec [-s][-a][-t][-f][-v][-c][-x][-g]\n"); | |
313 | PrintAndLog(" Options:"); | |
314 | PrintAndLog(" -s : select card"); | |
315 | PrintAndLog(" -a : show APDU reqests and responses\n"); | |
316 | PrintAndLog(" -t : TLV decode results\n"); | |
317 | PrintAndLog(" -f : force search AID. Search AID instead of execute PPSE.\n"); | |
318 | PrintAndLog(" -v : transaction type - qVSDC or M/Chip.\n"); | |
319 | PrintAndLog(" -c : transaction type - qVSDC or M/Chip plus CDA (SDAD generation).\n"); | |
320 | PrintAndLog(" -x : transaction type - VSDC. For test only. Not a standart behavior.\n"); | |
321 | PrintAndLog(" -g : VISA. generate AC from GPO\n"); | |
322 | PrintAndLog("By default : transaction type - MSD.\n"); | |
323 | PrintAndLog("Samples:"); | |
324 | PrintAndLog(" hf emv exec -s -a -t -> execute MSD transaction"); | |
325 | PrintAndLog(" hf emv exec -s -a -t -c -> execute CDA transaction"); | |
326 | return 0; | |
327 | } | |
328 | ||
329 | #define TLV_ADD(tag, value)( tlvdb_add(tlvRoot, tlvdb_fixed(tag, sizeof(value) - 1, (const unsigned char *)value)) ) | |
330 | #define dreturn(n) {free(pdol_data_tlv);tlvdb_free(tlvSelect);tlvdb_free(tlvRoot);DropField();return n;} | |
331 | ||
332 | int CmdHFEMVExec(const char *cmd) { | |
333 | bool activateField = false; | |
334 | bool showAPDU = false; | |
335 | bool decodeTLV = false; | |
336 | bool forceSearch = false; | |
337 | enum TransactionType TrType = TT_MSD; | |
338 | bool GenACGPO = false; | |
339 | ||
340 | uint8_t buf[APDU_RES_LEN] = {0}; | |
341 | size_t len = 0; | |
342 | uint16_t sw = 0; | |
343 | uint8_t AID[APDU_AID_LEN] = {0}; | |
344 | size_t AIDlen = 0; | |
345 | uint8_t ODAiList[4096]; | |
346 | size_t ODAiListLen = 0; | |
347 | ||
348 | int res; | |
349 | ||
350 | struct tlvdb *tlvSelect = NULL; | |
351 | struct tlvdb *tlvRoot = NULL; | |
352 | struct tlv *pdol_data_tlv = NULL; | |
353 | ||
354 | if (strlen(cmd) < 1) { | |
355 | UsageCmdHFEMVExec(); | |
356 | return 0; | |
357 | } | |
358 | ||
359 | int cmdp = 0; | |
360 | while(param_getchar(cmd, cmdp) != 0x00) { | |
361 | char c = param_getchar(cmd, cmdp); | |
362 | if ((c == '-') && (param_getlength(cmd, cmdp) == 2)) | |
363 | switch (param_getchar_indx(cmd, 1, cmdp)) { | |
364 | case 'h': | |
365 | case 'H': | |
366 | UsageCmdHFEMVExec(); | |
367 | return 0; | |
368 | case 's': | |
369 | case 'S': | |
370 | activateField = true; | |
371 | break; | |
372 | case 'a': | |
373 | case 'A': | |
374 | showAPDU = true; | |
375 | break; | |
376 | case 't': | |
377 | case 'T': | |
378 | decodeTLV = true; | |
379 | break; | |
380 | case 'f': | |
381 | case 'F': | |
382 | forceSearch = true; | |
383 | break; | |
384 | case 'x': | |
385 | case 'X': | |
386 | TrType = TT_VSDC; | |
387 | break; | |
388 | case 'v': | |
389 | case 'V': | |
390 | TrType = TT_QVSDCMCHIP; | |
391 | break; | |
392 | case 'c': | |
393 | case 'C': | |
394 | TrType = TT_CDA; | |
395 | break; | |
396 | case 'g': | |
397 | case 'G': | |
398 | GenACGPO = true; | |
399 | break; | |
400 | default: | |
401 | PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp)); | |
402 | return 1; | |
403 | } | |
404 | cmdp++; | |
405 | } | |
406 | ||
407 | ||
408 | // init applets list tree | |
409 | const char *al = "Applets list"; | |
410 | tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al); | |
411 | ||
412 | // Application Selection | |
413 | // https://www.openscdp.org/scripts/tutorial/emv/applicationselection.html | |
414 | if (!forceSearch) { | |
415 | // PPSE | |
416 | PrintAndLog("\n* PPSE."); | |
417 | SetAPDULogging(showAPDU); | |
418 | res = EMVSearchPSE(activateField, true, decodeTLV, tlvSelect); | |
419 | ||
420 | // check PPSE and select application id | |
421 | if (!res) { | |
422 | TLVPrintAIDlistFromSelectTLV(tlvSelect); | |
423 | EMVSelectApplication(tlvSelect, AID, &AIDlen); | |
424 | } | |
425 | } | |
426 | ||
427 | // Search | |
428 | if (!AIDlen) { | |
429 | PrintAndLog("\n* Search AID in list."); | |
430 | SetAPDULogging(false); | |
431 | if (EMVSearch(activateField, true, decodeTLV, tlvSelect)) { | |
432 | dreturn(2); | |
433 | } | |
434 | ||
435 | // check search and select application id | |
436 | TLVPrintAIDlistFromSelectTLV(tlvSelect); | |
437 | EMVSelectApplication(tlvSelect, AID, &AIDlen); | |
438 | } | |
439 | ||
440 | // Init TLV tree | |
441 | const char *alr = "Root terminal TLV tree"; | |
442 | tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr); | |
443 | ||
444 | // check if we found EMV application on card | |
445 | if (!AIDlen) { | |
446 | PrintAndLog("Can't select AID. EMV AID not found"); | |
447 | dreturn(2); | |
448 | } | |
449 | ||
450 | // Select | |
451 | PrintAndLog("\n* Selecting AID:%s", sprint_hex_inrow(AID, AIDlen)); | |
452 | SetAPDULogging(showAPDU); | |
453 | res = EMVSelect(false, true, AID, AIDlen, buf, sizeof(buf), &len, &sw, tlvRoot); | |
454 | ||
455 | if (res) { | |
456 | PrintAndLog("Can't select AID (%d). Exit...", res); | |
457 | dreturn(3); | |
458 | } | |
459 | ||
460 | if (decodeTLV) | |
461 | TLVPrintFromBuffer(buf, len); | |
462 | PrintAndLog("* Selected."); | |
463 | ||
464 | PrintAndLog("\n* Init transaction parameters."); | |
465 | ||
466 | //9F66:(Terminal Transaction Qualifiers (TTQ)) len:4 | |
467 | char *qVSDC = "\x26\x00\x00\x00"; | |
468 | if (GenACGPO) { | |
469 | qVSDC = "\x26\x80\x00\x00"; | |
470 | } | |
471 | switch(TrType) { | |
472 | case TT_MSD: | |
473 | TLV_ADD(0x9F66, "\x86\x00\x00\x00"); // MSD | |
474 | break; | |
475 | // not standard for contactless. just for test. | |
476 | case TT_VSDC: | |
477 | TLV_ADD(0x9F66, "\x46\x00\x00\x00"); // VSDC | |
478 | break; | |
479 | case TT_QVSDCMCHIP: | |
480 | TLV_ADD(0x9F66, qVSDC); // qVSDC | |
481 | break; | |
482 | case TT_CDA: | |
483 | TLV_ADD(0x9F66, qVSDC); // qVSDC (VISA CDA not enabled) | |
484 | break; | |
485 | default: | |
486 | TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // qVSDC | |
487 | break; | |
488 | } | |
489 | ||
490 | //9F02:(Amount, authorized (Numeric)) len:6 | |
491 | TLV_ADD(0x9F02, "\x00\x00\x00\x00\x01\x00"); | |
492 | //9F1A:(Terminal Country Code) len:2 | |
493 | TLV_ADD(0x9F1A, "ru"); | |
494 | //5F2A:(Transaction Currency Code) len:2 | |
495 | // USD 840, EUR 978, RUR 810, RUB 643, RUR 810(old), UAH 980, AZN 031, n/a 999 | |
496 | TLV_ADD(0x5F2A, "\x09\x80"); | |
497 | //9A:(Transaction Date) len:3 | |
498 | TLV_ADD(0x9A, "\x00\x00\x00"); | |
499 | //9C:(Transaction Type) len:1 | 00 => Goods and service #01 => Cash | |
500 | TLV_ADD(0x9C, "\x00"); | |
501 | // 9F37 Unpredictable Number len:4 | |
502 | TLV_ADD(0x9F37, "\x01\x02\x03\x04"); | |
503 | // 9F6A Unpredictable Number (MSD for UDOL) len:4 | |
504 | TLV_ADD(0x9F6A, "\x01\x02\x03\x04"); | |
505 | ||
506 | TLVPrintFromTLV(tlvRoot); // TODO delete!!! | |
507 | ||
508 | PrintAndLog("\n* Calc PDOL."); | |
509 | pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83); | |
510 | if (!pdol_data_tlv){ | |
511 | PrintAndLog("ERROR: can't create PDOL TLV."); | |
512 | dreturn(4); | |
513 | } | |
514 | ||
515 | size_t pdol_data_tlv_data_len; | |
516 | unsigned char *pdol_data_tlv_data = tlv_encode(pdol_data_tlv, &pdol_data_tlv_data_len); | |
517 | if (!pdol_data_tlv_data) { | |
518 | PrintAndLog("ERROR: can't create PDOL data."); | |
519 | dreturn(4); | |
520 | } | |
521 | PrintAndLog("PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len)); | |
522 | ||
523 | PrintAndLog("\n* GPO."); | |
524 | res = EMVGPO(true, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot); | |
525 | ||
526 | free(pdol_data_tlv_data); | |
527 | //free(pdol_data_tlv); --- free on exit. | |
528 | ||
529 | if (res) { | |
530 | PrintAndLog("GPO error(%d): %4x. Exit...", res, sw); | |
531 | dreturn(5); | |
532 | } | |
533 | ||
534 | // process response template format 1 [id:80 2b AIP + x4b AFL] and format 2 [id:77 TLV] | |
535 | if (buf[0] == 0x80) { | |
536 | if (decodeTLV){ | |
537 | PrintAndLog("GPO response format1:"); | |
538 | TLVPrintFromBuffer(buf, len); | |
539 | } | |
540 | ||
541 | if (len < 4 || (len - 4) % 4) { | |
542 | PrintAndLog("ERROR: GPO response format1 parsing error. length=%d", len); | |
543 | } else { | |
544 | // AIP | |
545 | struct tlvdb * f1AIP = tlvdb_fixed(0x82, 2, buf + 2); | |
546 | tlvdb_add(tlvRoot, f1AIP); | |
547 | if (decodeTLV){ | |
548 | PrintAndLog("\n* * Decode response format 1 (0x80) AIP and AFL:"); | |
549 | TLVPrintFromTLV(f1AIP); | |
550 | } | |
551 | ||
552 | // AFL | |
553 | struct tlvdb * f1AFL = tlvdb_fixed(0x94, len - 4, buf + 2 + 2); | |
554 | tlvdb_add(tlvRoot, f1AFL); | |
555 | if (decodeTLV) | |
556 | TLVPrintFromTLV(f1AFL); | |
557 | } | |
558 | } else { | |
559 | if (decodeTLV) | |
560 | TLVPrintFromBuffer(buf, len); | |
561 | } | |
562 | ||
563 | // extract PAN from track2 | |
564 | { | |
565 | const struct tlv *track2 = tlvdb_get(tlvRoot, 0x57, NULL); | |
566 | if (!tlvdb_get(tlvRoot, 0x5a, NULL) && track2 && track2->len >= 8) { | |
567 | struct tlvdb *pan = GetPANFromTrack2(track2); | |
568 | if (pan) { | |
569 | tlvdb_add(tlvRoot, pan); | |
570 | ||
571 | const struct tlv *pantlv = tlvdb_get(tlvRoot, 0x5a, NULL); | |
572 | PrintAndLog("\n* * Extracted PAN from track2: %s", sprint_hex(pantlv->value, pantlv->len)); | |
573 | } else { | |
574 | PrintAndLog("\n* * WARNING: Can't extract PAN from track2."); | |
575 | } | |
576 | } | |
577 | } | |
578 | ||
579 | PrintAndLog("\n* Read records from AFL."); | |
580 | const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL); | |
581 | if (!AFL || !AFL->len) { | |
582 | PrintAndLog("WARNING: AFL not found."); | |
583 | } | |
584 | ||
585 | while(AFL && AFL->len) { | |
586 | if (AFL->len % 4) { | |
587 | PrintAndLog("ERROR: Wrong AFL length: %d", AFL->len); | |
588 | break; | |
589 | } | |
590 | ||
591 | for (int i = 0; i < AFL->len / 4; i++) { | |
592 | uint8_t SFI = AFL->value[i * 4 + 0] >> 3; | |
593 | uint8_t SFIstart = AFL->value[i * 4 + 1]; | |
594 | uint8_t SFIend = AFL->value[i * 4 + 2]; | |
595 | uint8_t SFIoffline = AFL->value[i * 4 + 3]; | |
596 | ||
597 | PrintAndLog("* * SFI[%02x] start:%02x end:%02x offline:%02x", SFI, SFIstart, SFIend, SFIoffline); | |
598 | if (SFI == 0 || SFI == 31 || SFIstart == 0 || SFIstart > SFIend) { | |
599 | PrintAndLog("SFI ERROR! Skipped..."); | |
600 | continue; | |
601 | } | |
602 | ||
603 | for(int n = SFIstart; n <= SFIend; n++) { | |
604 | PrintAndLog("* * * SFI[%02x] %d", SFI, n); | |
605 | ||
606 | res = EMVReadRecord(true, SFI, n, buf, sizeof(buf), &len, &sw, tlvRoot); | |
607 | if (res) { | |
608 | PrintAndLog("ERROR SFI[%02x]. APDU error %4x", SFI, sw); | |
609 | continue; | |
610 | } | |
611 | ||
612 | if (decodeTLV) { | |
613 | TLVPrintFromBuffer(buf, len); | |
614 | PrintAndLog(""); | |
615 | } | |
616 | ||
617 | // Build Input list for Offline Data Authentication | |
618 | // EMV 4.3 book3 10.3, page 96 | |
619 | if (SFIoffline) { | |
620 | if (SFI < 11) { | |
621 | const unsigned char *abuf = buf; | |
622 | size_t elmlen = len; | |
623 | struct tlv e; | |
624 | if (tlv_parse_tl(&abuf, &elmlen, &e)) { | |
625 | memcpy(&ODAiList[ODAiListLen], &buf[len - elmlen], elmlen); | |
626 | ODAiListLen += elmlen; | |
627 | } else { | |
628 | PrintAndLog("ERROR SFI[%02x]. Creating input list for Offline Data Authentication error.", SFI); | |
629 | } | |
630 | } else { | |
631 | memcpy(&ODAiList[ODAiListLen], buf, len); | |
632 | ODAiListLen += len; | |
633 | } | |
634 | } | |
635 | } | |
636 | } | |
637 | ||
638 | break; | |
639 | } | |
640 | ||
641 | // copy Input list for Offline Data Authentication | |
642 | if (ODAiListLen) { | |
643 | struct tlvdb *oda = tlvdb_fixed(0x21, ODAiListLen, ODAiList); // not a standard tag | |
644 | tlvdb_add(tlvRoot, oda); | |
645 | PrintAndLog("* Input list for Offline Data Authentication added to TLV. len=%d \n", ODAiListLen); | |
646 | } | |
647 | ||
648 | // get AIP | |
649 | const struct tlv *AIPtlv = tlvdb_get(tlvRoot, 0x82, NULL); | |
650 | uint16_t AIP = AIPtlv->value[0] + AIPtlv->value[1] * 0x100; | |
651 | PrintAndLog("* * AIP=%04x", AIP); | |
652 | ||
653 | // SDA | |
654 | if (AIP & 0x0040) { | |
655 | PrintAndLog("\n* SDA"); | |
656 | trSDA(tlvRoot); | |
657 | } | |
658 | ||
659 | // DDA | |
660 | if (AIP & 0x0020) { | |
661 | PrintAndLog("\n* DDA"); | |
662 | trDDA(decodeTLV, tlvRoot); | |
663 | } | |
664 | ||
665 | // transaction check | |
666 | ||
667 | // qVSDC | |
668 | if (TrType == TT_QVSDCMCHIP|| TrType == TT_CDA){ | |
669 | // 9F26: Application Cryptogram | |
670 | const struct tlv *AC = tlvdb_get(tlvRoot, 0x9F26, NULL); | |
671 | if (AC) { | |
672 | PrintAndLog("\n--> qVSDC transaction."); | |
673 | PrintAndLog("* AC path"); | |
674 | ||
675 | // 9F36: Application Transaction Counter (ATC) | |
676 | const struct tlv *ATC = tlvdb_get(tlvRoot, 0x9F36, NULL); | |
677 | if (ATC) { | |
678 | ||
679 | // 9F10: Issuer Application Data - optional | |
680 | const struct tlv *IAD = tlvdb_get(tlvRoot, 0x9F10, NULL); | |
681 | ||
682 | // print AC data | |
683 | PrintAndLog("ATC: %s", sprint_hex(ATC->value, ATC->len)); | |
684 | PrintAndLog("AC: %s", sprint_hex(AC->value, AC->len)); | |
685 | if (IAD){ | |
686 | PrintAndLog("IAD: %s", sprint_hex(IAD->value, IAD->len)); | |
687 | ||
688 | if (IAD->len >= IAD->value[0] + 1) { | |
689 | PrintAndLog("\tKey index: 0x%02x", IAD->value[1]); | |
690 | PrintAndLog("\tCrypto ver: 0x%02x(%03d)", IAD->value[2], IAD->value[2]); | |
691 | PrintAndLog("\tCVR:", sprint_hex(&IAD->value[3], IAD->value[0] - 2)); | |
692 | struct tlvdb * cvr = tlvdb_fixed(0x20, IAD->value[0] - 2, &IAD->value[3]); | |
693 | TLVPrintFromTLVLev(cvr, 1); | |
694 | } | |
695 | } else { | |
696 | PrintAndLog("WARNING: IAD not found."); | |
697 | } | |
698 | ||
699 | } else { | |
700 | PrintAndLog("ERROR AC: Application Transaction Counter (ATC) not found."); | |
701 | } | |
702 | } | |
703 | } | |
704 | ||
705 | // Mastercard M/CHIP | |
706 | if (GetCardPSVendor(AID, AIDlen) == CV_MASTERCARD && (TrType == TT_QVSDCMCHIP || TrType == TT_CDA)){ | |
707 | const struct tlv *CDOL1 = tlvdb_get(tlvRoot, 0x8c, NULL); | |
708 | if (CDOL1 && GetCardPSVendor(AID, AIDlen) == CV_MASTERCARD) { // and m/chip transaction flag | |
709 | PrintAndLog("\n--> Mastercard M/Chip transaction."); | |
710 | ||
711 | PrintAndLog("* * Generate challenge"); | |
712 | res = EMVGenerateChallenge(true, buf, sizeof(buf), &len, &sw, tlvRoot); | |
713 | if (res) { | |
714 | PrintAndLog("ERROR GetChallenge. APDU error %4x", sw); | |
715 | dreturn(6); | |
716 | } | |
717 | if (len < 4) { | |
718 | PrintAndLog("ERROR GetChallenge. Wrong challenge length %d", len); | |
719 | dreturn(6); | |
720 | } | |
721 | ||
722 | // ICC Dynamic Number | |
723 | struct tlvdb * ICCDynN = tlvdb_fixed(0x9f4c, len, buf); | |
724 | tlvdb_add(tlvRoot, ICCDynN); | |
725 | if (decodeTLV){ | |
726 | PrintAndLog("\n* * ICC Dynamic Number:"); | |
727 | TLVPrintFromTLV(ICCDynN); | |
728 | } | |
729 | ||
730 | PrintAndLog("* * Calc CDOL1"); | |
731 | struct tlv *cdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x8c, NULL), tlvRoot, 0x01); // 0x01 - dummy tag | |
732 | if (!cdol_data_tlv){ | |
733 | PrintAndLog("ERROR: can't create CDOL1 TLV."); | |
734 | dreturn(6); | |
735 | } | |
736 | PrintAndLog("CDOL1 data[%d]: %s", cdol_data_tlv->len, sprint_hex(cdol_data_tlv->value, cdol_data_tlv->len)); | |
737 | ||
738 | PrintAndLog("* * AC1"); | |
739 | // EMVAC_TC + EMVAC_CDAREQ --- to get SDAD | |
740 | res = EMVAC(true, (TrType == TT_CDA) ? EMVAC_TC + EMVAC_CDAREQ : EMVAC_TC, (uint8_t *)cdol_data_tlv->value, cdol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot); | |
741 | ||
742 | if (res) { | |
743 | PrintAndLog("AC1 error(%d): %4x. Exit...", res, sw); | |
744 | dreturn(7); | |
745 | } | |
746 | ||
747 | if (decodeTLV) | |
748 | TLVPrintFromBuffer(buf, len); | |
749 | ||
750 | // CDA | |
751 | PrintAndLog("\n* CDA:"); | |
752 | struct tlvdb *ac_tlv = tlvdb_parse_multi(buf, len); | |
753 | res = trCDA(tlvRoot, ac_tlv, pdol_data_tlv, cdol_data_tlv); | |
754 | if (res) { | |
755 | PrintAndLog("CDA error (%d)", res); | |
756 | } | |
757 | free(ac_tlv); | |
758 | free(cdol_data_tlv); | |
759 | ||
760 | PrintAndLog("\n* M/Chip transaction result:"); | |
761 | // 9F27: Cryptogram Information Data (CID) | |
762 | const struct tlv *CID = tlvdb_get(tlvRoot, 0x9F27, NULL); | |
763 | if (CID) { | |
764 | emv_tag_dump(CID, stdout, 0); | |
765 | PrintAndLog("------------------------------"); | |
766 | if (CID->len > 0) { | |
767 | switch(CID->value[0] & EMVAC_AC_MASK){ | |
768 | case EMVAC_AAC: | |
769 | PrintAndLog("Transaction DECLINED."); | |
770 | break; | |
771 | case EMVAC_TC: | |
772 | PrintAndLog("Transaction approved OFFLINE."); | |
773 | break; | |
774 | case EMVAC_ARQC: | |
775 | PrintAndLog("Transaction approved ONLINE."); | |
776 | break; | |
777 | default: | |
778 | PrintAndLog("ERROR: CID transaction code error %2x", CID->value[0] & EMVAC_AC_MASK); | |
779 | break; | |
780 | } | |
781 | } else { | |
782 | PrintAndLog("ERROR: Wrong CID length %d", CID->len); | |
783 | } | |
784 | } else { | |
785 | PrintAndLog("ERROR: CID(9F27) not found."); | |
786 | } | |
787 | ||
788 | } | |
789 | } | |
790 | ||
791 | // MSD | |
792 | if (AIP & 0x8000 && TrType == TT_MSD) { | |
793 | PrintAndLog("\n--> MSD transaction."); | |
794 | ||
795 | PrintAndLog("* MSD dCVV path. Check dCVV"); | |
796 | ||
797 | const struct tlv *track2 = tlvdb_get(tlvRoot, 0x57, NULL); | |
798 | if (track2) { | |
799 | PrintAndLog("Track2: %s", sprint_hex(track2->value, track2->len)); | |
800 | ||
801 | struct tlvdb *dCVV = GetdCVVRawFromTrack2(track2); | |
802 | PrintAndLog("dCVV raw data:"); | |
803 | TLVPrintFromTLV(dCVV); | |
804 | ||
805 | if (GetCardPSVendor(AID, AIDlen) == CV_MASTERCARD) { | |
806 | PrintAndLog("\n* Mastercard calculate UDOL"); | |
807 | ||
808 | // UDOL (9F69) | |
809 | const struct tlv *UDOL = tlvdb_get(tlvRoot, 0x9F69, NULL); | |
810 | // UDOL(9F69) default: 9F6A (Unpredictable number) 4 bytes | |
811 | const struct tlv defUDOL = { | |
812 | .tag = 0x01, | |
813 | .len = 3, | |
814 | .value = (uint8_t *)"\x9f\x6a\x04", | |
815 | }; | |
816 | if (!UDOL) | |
817 | PrintAndLog("Use default UDOL."); | |
818 | ||
819 | struct tlv *udol_data_tlv = dol_process(UDOL ? UDOL : &defUDOL, tlvRoot, 0x01); // 0x01 - dummy tag | |
820 | if (!udol_data_tlv){ | |
821 | PrintAndLog("ERROR: can't create UDOL TLV."); | |
822 | dreturn(8); | |
823 | } | |
824 | ||
825 | PrintAndLog("UDOL data[%d]: %s", udol_data_tlv->len, sprint_hex(udol_data_tlv->value, udol_data_tlv->len)); | |
826 | ||
827 | PrintAndLog("\n* Mastercard compute cryptographic checksum(UDOL)"); | |
828 | ||
829 | res = MSCComputeCryptoChecksum(true, (uint8_t *)udol_data_tlv->value, udol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot); | |
830 | if (res) { | |
831 | PrintAndLog("ERROR Compute Crypto Checksum. APDU error %4x", sw); | |
832 | free(udol_data_tlv); | |
833 | dreturn(9); | |
834 | } | |
835 | ||
836 | if (decodeTLV) { | |
837 | TLVPrintFromBuffer(buf, len); | |
838 | PrintAndLog(""); | |
839 | } | |
840 | free(udol_data_tlv); | |
841 | ||
842 | } | |
843 | } else { | |
844 | PrintAndLog("ERROR MSD: Track2 data not found."); | |
845 | } | |
846 | } | |
847 | ||
848 | // DropField | |
849 | DropField(); | |
850 | ||
851 | // Destroy TLV's | |
852 | free(pdol_data_tlv); | |
853 | tlvdb_free(tlvSelect); | |
854 | tlvdb_free(tlvRoot); | |
855 | ||
856 | PrintAndLog("\n* Transaction completed."); | |
857 | ||
858 | return 0; | |
859 | } | |
860 | ||
861 | int CmdHFEMVTest(const char *cmd) { | |
862 | return ExecuteCryptoTests(true); | |
863 | } | |
864 | ||
865 | int CmdHelp(const char *Cmd); | |
866 | static command_t CommandTable[] = { | |
867 | {"help", CmdHelp, 1, "This help"}, | |
868 | {"exec", CmdHFEMVExec, 0, "Executes EMV contactless transaction."}, | |
869 | {"pse", CmdHFEMVPPSE, 0, "Execute PPSE. It selects 2PAY.SYS.DDF01 or 1PAY.SYS.DDF01 directory."}, | |
870 | {"search", CmdHFEMVSearch, 0, "Try to select all applets from applets list and print installed applets."}, | |
871 | {"select", CmdHFEMVSelect, 0, "Select applet."}, | |
872 | {"gpo", CmdHFEMVGPO, 0, "Execute GetProcessingOptions."}, | |
873 | {"readrec", CmdHFEMVReadRecord, 0, "Read files from card."}, | |
874 | {"genac", CmdHFEMVAC, 0, "Generate ApplicationCryptogram."}, | |
875 | {"challenge", CmdHFEMVGenerateChallenge, 0, "Generate challenge."}, | |
876 | {"intauth", CmdHFEMVInternalAuthenticate, 0, "Internal authentication."}, | |
877 | {"test", CmdHFEMVTest, 0, "Crypto logic test."}, | |
878 | {NULL, NULL, 0, NULL} | |
879 | }; | |
880 | ||
881 | int CmdHFEMV(const char *Cmd) { | |
882 | CmdsParse(CommandTable, Cmd); | |
883 | return 0; | |
884 | } | |
885 | ||
886 | int CmdHelp(const char *Cmd) { | |
887 | CmdsHelp(CommandTable); | |
888 | return 0; | |
889 | } |