X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/7a7afeba5cbbb518216d0d1d5bb5228a41a4db17..0c4750c3ba006eebb8862ed5ae5a4a42983056d7:/client/emv/cmdemv.c diff --git a/client/emv/cmdemv.c b/client/emv/cmdemv.c index 92ae01f9..d1ae2d45 100644 --- a/client/emv/cmdemv.c +++ b/client/emv/cmdemv.c @@ -1,5 +1,5 @@ //----------------------------------------------------------------------------- -// Copyright (C) 2017 Merlok +// Copyright (C) 2017, 2018 Merlok // // This code is licensed to you under the terms of the GNU GPL, version 2 or, // at your option, any later version. See the LICENSE.txt file for the text of @@ -8,86 +8,39 @@ // EMV commands //----------------------------------------------------------------------------- +#include #include "cmdemv.h" - -int UsageCmdHFEMVSelect(void) { - PrintAndLog("HELP : Executes select applet command:\n"); - PrintAndLog("Usage: hf emv select [-s][-k][-a][-t] \n"); - PrintAndLog(" Options:"); - PrintAndLog(" -s : select card"); - PrintAndLog(" -k : keep field for next command"); - PrintAndLog(" -a : show APDU reqests and responses\n"); - PrintAndLog(" -t : TLV decode results\n"); - PrintAndLog("Samples:"); - PrintAndLog(" hf emv select -s a00000000101 -> select card, select applet"); - PrintAndLog(" hf emv select -s -t a00000000101 -> select card, select applet, show result in TLV"); - return 0; -} +#include "test/cryptotest.h" +#include "cliparser/cliparser.h" int CmdHFEMVSelect(const char *cmd) { uint8_t data[APDU_AID_LEN] = {0}; int datalen = 0; - bool activateField = false; - bool leaveSignalON = false; - bool decodeTLV = false; - if (strlen(cmd) < 1) { - UsageCmdHFEMVSelect(); - return 0; - } - - SetAPDULogging(false); - - int cmdp = 0; - while(param_getchar(cmd, cmdp) != 0x00) { - char c = param_getchar(cmd, cmdp); - if ((c == '-') && (param_getlength(cmd, cmdp) == 2)) - switch (param_getchar_indx(cmd, 1, cmdp)) { - case 'h': - case 'H': - UsageCmdHFEMVSelect(); - return 0; - case 's': - case 'S': - activateField = true; - break; - case 'k': - case 'K': - leaveSignalON = true; - break; - case 'a': - case 'A': - SetAPDULogging(true); - break; - case 't': - case 'T': - decodeTLV = true; - break; - default: - PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp)); - return 1; - } - - if (isxdigit(c)) { - switch(param_gethex_to_eol(cmd, cmdp, data, sizeof(data), &datalen)) { - case 1: - PrintAndLog("Invalid HEX value."); - return 1; - case 2: - PrintAndLog("AID too large."); - return 1; - case 3: - PrintAndLog("Hex must have even number of digits."); - return 1; - } - - // we get all the hex to end of line with spaces - break; - } + CLIParserInit("hf emv select", + "Executes select applet command", + "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"); - cmdp++; - } + void* argtable[] = { + arg_param_begin, + arg_lit0("sS", "select", "activate field and select card"), + arg_lit0("kK", "keep", "keep field for next command"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_lit0("tT", "tlv", "TLV decode results"), + arg_str0(NULL, NULL, "", NULL), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); + + bool activateField = arg_get_lit(1); + bool leaveSignalON = arg_get_lit(2); + bool APDULogging = arg_get_lit(3); + bool decodeTLV = arg_get_lit(4); + CLIGetStrWithReturn(5, data, &datalen); + CLIParserFree(); + + SetAPDULogging(APDULogging); // exec uint8_t buf[APDU_RES_LEN] = {0}; @@ -107,65 +60,30 @@ int CmdHFEMVSelect(const char *cmd) { return 0; } -int UsageCmdHFEMVSearch(void) { - PrintAndLog("HELP : Tries to select all applets from applet list:\n"); - PrintAndLog("Usage: hf emv search [-s][-k][-a][-t]\n"); - PrintAndLog(" Options:"); - PrintAndLog(" -s : select card"); - PrintAndLog(" -k : keep field for next command"); - PrintAndLog(" -a : show APDU reqests and responses\n"); - PrintAndLog(" -t : TLV decode results of selected applets\n"); - PrintAndLog("Samples:"); - PrintAndLog(" hf emv search -s -> select card and search"); - PrintAndLog(" hf emv search -s -t -> select card, search and show result in TLV"); - return 0; -} - int CmdHFEMVSearch(const char *cmd) { - bool activateField = false; - bool leaveSignalON = false; - bool decodeTLV = false; + CLIParserInit("hf emv search", + "Tries to select all applets from applet list:\n", + "Usage:\n\thf emv search -s -> select card and search\n\thf emv search -st -> select card, search and show result in TLV\n"); - if (strlen(cmd) < 1) { - UsageCmdHFEMVSearch(); - return 0; - } + void* argtable[] = { + arg_param_begin, + arg_lit0("sS", "select", "activate field and select card"), + arg_lit0("kK", "keep", "keep field ON for next command"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_lit0("tT", "tlv", "TLV decode results of selected applets"), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); - SetAPDULogging(false); + bool activateField = arg_get_lit(1); + bool leaveSignalON = arg_get_lit(2); + bool APDULogging = arg_get_lit(3); + bool decodeTLV = arg_get_lit(4); + CLIParserFree(); + + SetAPDULogging(APDULogging); - int cmdp = 0; - while(param_getchar(cmd, cmdp) != 0x00) { - char c = param_getchar(cmd, cmdp); - if ((c == '-') && (param_getlength(cmd, cmdp) == 2)) - switch (param_getchar_indx(cmd, 1, cmdp)) { - case 'h': - case 'H': - UsageCmdHFEMVSearch(); - return 0; - case 's': - case 'S': - activateField = true; - break; - case 'k': - case 'K': - leaveSignalON = true; - break; - case 'a': - case 'A': - SetAPDULogging(true); - break; - case 't': - case 'T': - decodeTLV = true; - break; - default: - PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp)); - return 1; - } - cmdp++; - } - struct tlvdb *t = NULL; const char *al = "Applets list"; t = tlvdb_fixed(1, strlen(al), (const unsigned char *)al); @@ -187,80 +105,202 @@ int CmdHFEMVSearch(const char *cmd) { return 0; } -int UsageCmdHFEMVPPSE(void) { - PrintAndLog("HELP : Executes PSE/PPSE select command. It returns list of applet on the card:\n"); - PrintAndLog("Usage: hf emv pse [-s][-k][-1][-2][-a][-t]\n"); - PrintAndLog(" Options:"); - PrintAndLog(" -s : select card"); - PrintAndLog(" -k : keep field for next command"); - PrintAndLog(" -1 : ppse (1PAY.SYS.DDF01)"); - PrintAndLog(" -2 : pse (2PAY.SYS.DDF01)"); - PrintAndLog(" -a : show APDU reqests and responses\n"); - PrintAndLog(" -t : TLV decode results\n"); - PrintAndLog("Samples:"); - PrintAndLog(" hf emv pse -s -1 -> select, get pse"); - PrintAndLog(" hf emv pse -s -k -2 -> select, get ppse, keep field"); - PrintAndLog(" hf emv pse -s -t -2 -> select, get ppse, show result in TLV"); +int CmdHFEMVPPSE(const char *cmd) { + + CLIParserInit("hf emv pse", + "Executes PSE/PPSE select command. It returns list of applet on the card:\n", + "Usage:\n\thf emv pse -s1 -> select, get pse\n\thf emv pse -st2 -> select, get ppse, show result in TLV\n"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("sS", "select", "activate field and select card"), + arg_lit0("kK", "keep", "keep field ON for next command"), + arg_lit0("1", "pse", "pse (1PAY.SYS.DDF01) mode"), + arg_lit0("2", "ppse", "ppse (2PAY.SYS.DDF01) mode (default mode)"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_lit0("tT", "tlv", "TLV decode results of selected applets"), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); + + bool activateField = arg_get_lit(1); + bool leaveSignalON = arg_get_lit(2); + uint8_t PSENum = 2; + if (arg_get_lit(3)) + PSENum = 1; + if (arg_get_lit(4)) + PSENum = 2; + bool APDULogging = arg_get_lit(5); + bool decodeTLV = arg_get_lit(6); + CLIParserFree(); + + SetAPDULogging(APDULogging); + + // exec + uint8_t buf[APDU_RES_LEN] = {0}; + size_t len = 0; + uint16_t sw = 0; + int res = EMVSelectPSE(activateField, leaveSignalON, PSENum, buf, sizeof(buf), &len, &sw); + + if (sw) + PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); + + if (res) + return res; + + + if (decodeTLV) + TLVPrintFromBuffer(buf, len); + return 0; } -int CmdHFEMVPPSE(const char *cmd) { +#define TLV_ADD(tag, value)( tlvdb_add(tlvRoot, tlvdb_fixed(tag, sizeof(value) - 1, (const unsigned char *)value)) ) + +int CmdHFEMVGPO(const char *cmd) { + uint8_t data[APDU_RES_LEN] = {0}; + int datalen = 0; + + CLIParserInit("hf emv gpo", + "Executes Get Processing Options command. It returns data in TLV format (0x77 - format2) or plain format (0x80 - format1).\nNeeds a EMV applet to be selected.", + "Usage:\n\thf emv gpo -k -> execute GPO\n" + "\thf emv gpo -st 01020304 -> execute GPO with 4-byte PDOL data, show result in TLV\n"); + // here need to add load params from file and gen pdol + + void* argtable[] = { + arg_param_begin, + arg_lit0("kK", "keep", "keep field ON for next command"), + arg_lit0("pP", "params", "load parameters for PDOL making from `emv/defparams.json` file (by default uses default parameters) (NOT WORK!!!)"), + arg_lit0("mM", "make", "make PDOLdata from PDOL (tag 9F38) and parameters (NOT WORK!!!)"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_lit0("tT", "tlv", "TLV decode results of selected applets"), + arg_str0(NULL, NULL, "", NULL), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); - uint8_t PSENum = 2; - bool activateField = false; - bool leaveSignalON = false; - bool decodeTLV = false; + bool leaveSignalON = arg_get_lit(1); + bool paramsLoadFromFile = arg_get_lit(2); + bool dataMakeFromPDOL = arg_get_lit(3); + bool APDULogging = arg_get_lit(4); + bool decodeTLV = arg_get_lit(5); + CLIGetStrWithReturn(6, data, &datalen); + CLIParserFree(); + + SetAPDULogging(APDULogging); + + // Init TLV tree + const char *alr = "Root terminal TLV tree"; + struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr); + + // calc PDOL + struct tlv *pdol_data_tlv = NULL; + struct tlv data_tlv = { + .tag = 0x01, + .len = datalen, + .value = (uint8_t *)data, + }; + if (dataMakeFromPDOL) { + // TODO + PrintAndLog("Make PDOL data not implemented!"); - if (strlen(cmd) < 1) { - UsageCmdHFEMVPPSE(); + //9F02:(Amount, authorized (Numeric)) len:6 + TLV_ADD(0x9F02, "\x00\x00\x00\x00\x01\x00"); + //9F1A:(Terminal Country Code) len:2 + TLV_ADD(0x9F1A, "ru"); + //5F2A:(Transaction Currency Code) len:2 + // USD 840, EUR 978, RUR 810, RUB 643, RUR 810(old), UAH 980, AZN 031, n/a 999 + TLV_ADD(0x5F2A, "\x09\x80"); + //9A:(Transaction Date) len:3 + TLV_ADD(0x9A, "\x00\x00\x00"); + //9C:(Transaction Type) len:1 | 00 => Goods and service #01 => Cash + TLV_ADD(0x9C, "\x00"); + // 9F37 Unpredictable Number len:4 + TLV_ADD(0x9F37, "\x01\x02\x03\x04"); + // 9F6A Unpredictable Number (MSD for UDOL) len:4 + TLV_ADD(0x9F6A, "\x01\x02\x03\x04"); + //9F66:(Terminal Transaction Qualifiers (TTQ)) len:4 + TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // qVSDC + + if (paramsLoadFromFile) { + }; +/* pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83); + if (!pdol_data_tlv){ + PrintAndLog("ERROR: can't create PDOL TLV."); + tlvdb_free(tlvRoot); + return 4; + }*/ return 0; + } else { + pdol_data_tlv = &data_tlv; } - SetAPDULogging(false); + size_t pdol_data_tlv_data_len = 0; + unsigned char *pdol_data_tlv_data = tlv_encode(pdol_data_tlv, &pdol_data_tlv_data_len); + if (!pdol_data_tlv_data) { + PrintAndLog("ERROR: can't create PDOL data."); + tlvdb_free(tlvRoot); + return 4; + } + PrintAndLog("PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len)); - int cmdp = 0; - while(param_getchar(cmd, cmdp) != 0x00) { - char c = param_getchar(cmd, cmdp); - if ((c == '-') && (param_getlength(cmd, cmdp) == 2)) - switch (param_getchar_indx(cmd, 1, cmdp)) { - case 'h': - case 'H': - UsageCmdHFEMVPPSE(); - return 0; - case 's': - case 'S': - activateField = true; - break; - case 'k': - case 'K': - leaveSignalON = true; - break; - case 'a': - case 'A': - SetAPDULogging(true); - break; - case 't': - case 'T': - decodeTLV = true; - break; - case '1': - PSENum = 1; - break; - case '2': - PSENum = 2; - break; - default: - PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp)); - return 1; - } - cmdp++; + // exec + uint8_t buf[APDU_RES_LEN] = {0}; + size_t len = 0; + uint16_t sw = 0; + int res = EMVGPO(leaveSignalON, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot); + + free(pdol_data_tlv_data); + tlvdb_free(tlvRoot); + + if (sw) + PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); + + if (res) + return res; + + if (decodeTLV) + TLVPrintFromBuffer(buf, len); + + return 0; +} + +int CmdHFEMVReadRecord(const char *cmd) { + uint8_t data[APDU_RES_LEN] = {0}; + int datalen = 0; + + CLIParserInit("hf emv readrec", + "Executes Read Record command. It returns data in TLV format.\nNeeds a bank applet to be selected and sometimes needs GPO to be executed.", + "Usage:\n\thf emv readrec -k 0101 -> read file SFI=01, SFIrec=01\n\thf emv readrec -kt 0201-> read file 0201 and show result in TLV\n"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("kK", "keep", "keep field ON for next command"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_lit0("tT", "tlv", "TLV decode results of selected applets"), + arg_str1(NULL, NULL, "", NULL), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); + + bool leaveSignalON = arg_get_lit(1); + bool APDULogging = arg_get_lit(2); + bool decodeTLV = arg_get_lit(3); + CLIGetStrWithReturn(4, data, &datalen); + CLIParserFree(); + + if (datalen != 2) { + PrintAndLog("ERROR: Command needs to have 2 bytes of data"); + return 1; } + SetAPDULogging(APDULogging); + // exec uint8_t buf[APDU_RES_LEN] = {0}; size_t len = 0; uint16_t sw = 0; - int res = EMVSelectPSE(activateField, leaveSignalON, PSENum, buf, sizeof(buf), &len, &sw); + int res = EMVReadRecord(leaveSignalON, data[0], data[1], buf, sizeof(buf), &len, &sw, NULL); if (sw) PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); @@ -275,9 +315,182 @@ int CmdHFEMVPPSE(const char *cmd) { return 0; } +int CmdHFEMVAC(const char *cmd) { + uint8_t data[APDU_RES_LEN] = {0}; + int datalen = 0; + + CLIParserInit("hf emv genac", + "Generate Application Cryptogram command. It returns data in TLV format .\nNeeds a EMV applet to be selected and GPO to be executed.", + "Usage:\n\thf emv genac -k 0102 -> generate AC with 2-byte CDOLdata and keep field ON after command\n" + "\thf emv genac -t 01020304 -> generate AC with 4-byte CDOL data, show result in TLV\n" + "\thf emv genac -Daac 01020304 -> generate AC with 4-byte CDOL data and terminal decision 'declined'\n"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("kK", "keep", "keep field ON for next command"), + arg_lit0("cC", "cda", "executes CDA transaction. Needs to get SDAD in results."), + arg_str0("dD", "decision", "", "Terminal decision. aac - declined, tc - approved, arqc - online authorisation requested"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_lit0("tT", "tlv", "TLV decode results of selected applets"), + arg_str1(NULL, NULL, "", NULL), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, false); + + bool leaveSignalON = arg_get_lit(1); + bool trTypeCDA = arg_get_lit(2); + uint8_t termDecision = 0xff; + if (arg_get_str_len(3)) { + if (!strncmp(arg_get_str(3)->sval[0], "aac", 4)) + termDecision = EMVAC_AAC; + if (!strncmp(arg_get_str(3)->sval[0], "tc", 4)) + termDecision = EMVAC_TC; + if (!strncmp(arg_get_str(3)->sval[0], "arqc", 4)) + termDecision = EMVAC_ARQC; + + if (termDecision == 0xff) { + PrintAndLog("ERROR: can't find terminal decision '%s'", arg_get_str(3)->sval[0]); + return 1; + } + } else { + termDecision = EMVAC_TC; + } + if (trTypeCDA) + termDecision = termDecision | EMVAC_CDAREQ; + bool APDULogging = arg_get_lit(4); + bool decodeTLV = arg_get_lit(5); + CLIGetStrWithReturn(6, data, &datalen); + CLIParserFree(); + + SetAPDULogging(APDULogging); + + // Init TLV tree + const char *alr = "Root terminal TLV tree"; + struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr); + + // calc CDOL + struct tlv *cdol_data_tlv = NULL; +// struct tlv *cdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x8c, NULL), tlvRoot, 0x01); // 0x01 - dummy tag + struct tlv data_tlv = { + .tag = 0x01, + .len = datalen, + .value = (uint8_t *)data, + }; + cdol_data_tlv = &data_tlv; + PrintAndLog("CDOL data[%d]: %s", cdol_data_tlv->len, sprint_hex(cdol_data_tlv->value, cdol_data_tlv->len)); + + // exec + uint8_t buf[APDU_RES_LEN] = {0}; + size_t len = 0; + uint16_t sw = 0; + int res = EMVAC(leaveSignalON, termDecision, (uint8_t *)cdol_data_tlv->value, cdol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot); + +// free(cdol_data_tlv); + tlvdb_free(tlvRoot); + + if (sw) + PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); + + if (res) + return res; + + if (decodeTLV) + TLVPrintFromBuffer(buf, len); + + return 0; +} + +int CmdHFEMVGenerateChallenge(const char *cmd) { + + CLIParserInit("hf emv challenge", + "Executes Generate Challenge command. It returns 4 or 8-byte random number from card.\nNeeds a EMV applet to be selected and GPO to be executed.", + "Usage:\n\thf emv challenge -> get challenge\n\thf emv challenge -k -> get challenge, keep fileld ON\n"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("kK", "keep", "keep field ON for next command"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, true); + + bool leaveSignalON = arg_get_lit(1); + bool APDULogging = arg_get_lit(2); + CLIParserFree(); + + SetAPDULogging(APDULogging); + + // exec + uint8_t buf[APDU_RES_LEN] = {0}; + size_t len = 0; + uint16_t sw = 0; + int res = EMVGenerateChallenge(leaveSignalON, buf, sizeof(buf), &len, &sw, NULL); + + if (sw) + PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); + + if (res) + return res; + + PrintAndLog("Challenge: %s", sprint_hex(buf, len)); + + if (len != 4 && len != 8) + PrintAndLog("WARNING: length of challenge must be 4 or 8, but it %d", len); + + return 0; +} + +int CmdHFEMVInternalAuthenticate(const char *cmd) { + uint8_t data[APDU_RES_LEN] = {0}; + int datalen = 0; + + CLIParserInit("hf emv intauth", + "Generate Internal Authenticate command. Usually needs 4-byte random number. It returns data in TLV format .\nNeeds a EMV applet to be selected and GPO to be executed.", + "Usage:\n\thf emv intauth -k 01020304 -> execute Internal Authenticate with 4-byte DDOLdata and keep field ON after command\n" + "\thf emv intauth -t 01020304 -> execute Internal Authenticate with 4-byte DDOL data, show result in TLV\n"); + + void* argtable[] = { + arg_param_begin, + arg_lit0("kK", "keep", "keep field ON for next command"), + arg_lit0("aA", "apdu", "show APDU reqests and responses"), + arg_lit0("tT", "tlv", "TLV decode results of selected applets"), + arg_str1(NULL, NULL, "", NULL), + arg_param_end + }; + CLIExecWithReturn(cmd, argtable, false); + + bool leaveSignalON = arg_get_lit(1); + bool APDULogging = arg_get_lit(2); + bool decodeTLV = arg_get_lit(3); + CLIGetStrWithReturn(4, data, &datalen); + CLIParserFree(); + + SetAPDULogging(APDULogging); + + // DDOL + PrintAndLog("DDOL data[%d]: %s", datalen, sprint_hex(data, datalen)); + + // exec + uint8_t buf[APDU_RES_LEN] = {0}; + size_t len = 0; + uint16_t sw = 0; + int res = EMVInternalAuthenticate(leaveSignalON, data, datalen, buf, sizeof(buf), &len, &sw, NULL); + + if (sw) + PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff)); + + if (res) + return res; + + if (decodeTLV) + TLVPrintFromBuffer(buf, len); + + return 0; +} + int UsageCmdHFEMVExec(void) { PrintAndLog("HELP : Executes EMV contactless transaction:\n"); - PrintAndLog("Usage: hf emv exec [-s][-a][-t]\n"); + PrintAndLog("Usage: hf emv exec [-s][-a][-t][-f][-v][-c][-x][-g]\n"); PrintAndLog(" Options:"); PrintAndLog(" -s : select card"); PrintAndLog(" -a : show APDU reqests and responses\n"); @@ -286,14 +499,15 @@ int UsageCmdHFEMVExec(void) { PrintAndLog(" -v : transaction type - qVSDC or M/Chip.\n"); PrintAndLog(" -c : transaction type - qVSDC or M/Chip plus CDA (SDAD generation).\n"); PrintAndLog(" -x : transaction type - VSDC. For test only. Not a standart behavior.\n"); + PrintAndLog(" -g : VISA. generate AC from GPO\n"); PrintAndLog("By default : transaction type - MSD.\n"); PrintAndLog("Samples:"); - PrintAndLog(" hf emv pse -s -> select card"); - PrintAndLog(" hf emv pse -s -t -a -> select card, show responses in TLV, show APDU"); + PrintAndLog(" hf emv exec -s -a -t -> execute MSD transaction"); + PrintAndLog(" hf emv exec -s -a -t -c -> execute CDA transaction"); return 0; } -#define TLV_ADD(tag, value)( tlvdb_add(tlvRoot, tlvdb_fixed(tag, sizeof(value) - 1, (const unsigned char *)value)) ) +#define dreturn(n) {free(pdol_data_tlv);tlvdb_free(tlvSelect);tlvdb_free(tlvRoot);DropField();return n;} int CmdHFEMVExec(const char *cmd) { bool activateField = false; @@ -301,15 +515,22 @@ int CmdHFEMVExec(const char *cmd) { bool decodeTLV = false; bool forceSearch = false; enum TransactionType TrType = TT_MSD; + bool GenACGPO = false; uint8_t buf[APDU_RES_LEN] = {0}; size_t len = 0; uint16_t sw = 0; uint8_t AID[APDU_AID_LEN] = {0}; size_t AIDlen = 0; + uint8_t ODAiList[4096]; + size_t ODAiListLen = 0; int res; + struct tlvdb *tlvSelect = NULL; + struct tlvdb *tlvRoot = NULL; + struct tlv *pdol_data_tlv = NULL; + if (strlen(cmd) < 1) { UsageCmdHFEMVExec(); return 0; @@ -352,6 +573,10 @@ int CmdHFEMVExec(const char *cmd) { case 'C': TrType = TT_CDA; break; + case 'g': + case 'G': + GenACGPO = true; + break; default: PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp)); return 1; @@ -361,7 +586,6 @@ int CmdHFEMVExec(const char *cmd) { // init applets list tree - struct tlvdb *tlvSelect = NULL; const char *al = "Applets list"; tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al); @@ -385,8 +609,7 @@ int CmdHFEMVExec(const char *cmd) { PrintAndLog("\n* Search AID in list."); SetAPDULogging(false); if (EMVSearch(activateField, true, decodeTLV, tlvSelect)) { - tlvdb_free(tlvSelect); - return 2; + dreturn(2); } // check search and select application id @@ -395,14 +618,13 @@ int CmdHFEMVExec(const char *cmd) { } // Init TLV tree - struct tlvdb *tlvRoot = NULL; const char *alr = "Root terminal TLV tree"; tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr); // check if we found EMV application on card if (!AIDlen) { PrintAndLog("Can't select AID. EMV AID not found"); - return 2; + dreturn(2); } // Select @@ -412,7 +634,7 @@ int CmdHFEMVExec(const char *cmd) { if (res) { PrintAndLog("Can't select AID (%d). Exit...", res); - return 3; + dreturn(3); } if (decodeTLV) @@ -422,25 +644,30 @@ int CmdHFEMVExec(const char *cmd) { PrintAndLog("\n* Init transaction parameters."); //9F66:(Terminal Transaction Qualifiers (TTQ)) len:4 + char *qVSDC = "\x26\x00\x00\x00"; + if (GenACGPO) { + qVSDC = "\x26\x80\x00\x00"; + } switch(TrType) { case TT_MSD: TLV_ADD(0x9F66, "\x86\x00\x00\x00"); // MSD break; - // not standart for contactless. just for test. + // not standard for contactless. just for test. case TT_VSDC: TLV_ADD(0x9F66, "\x46\x00\x00\x00"); // VSDC break; case TT_QVSDCMCHIP: - TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // qVSDC + TLV_ADD(0x9F66, qVSDC); // qVSDC break; case TT_CDA: - TLV_ADD(0x9F66, "\x86\x80\x00\x00"); // CDA + TLV_ADD(0x9F66, qVSDC); // qVSDC (VISA CDA not enabled) break; default: TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // qVSDC break; } - //9F02:(Amount, Authorised (Numeric)) len:6 + + //9F02:(Amount, authorized (Numeric)) len:6 TLV_ADD(0x9F02, "\x00\x00\x00\x00\x01\x00"); //9F1A:(Terminal Country Code) len:2 TLV_ADD(0x9F1A, "ru"); @@ -459,17 +686,17 @@ int CmdHFEMVExec(const char *cmd) { TLVPrintFromTLV(tlvRoot); // TODO delete!!! PrintAndLog("\n* Calc PDOL."); - struct tlv *pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83); + pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83); if (!pdol_data_tlv){ PrintAndLog("ERROR: can't create PDOL TLV."); - return 4; + dreturn(4); } size_t pdol_data_tlv_data_len; unsigned char *pdol_data_tlv_data = tlv_encode(pdol_data_tlv, &pdol_data_tlv_data_len); if (!pdol_data_tlv_data) { PrintAndLog("ERROR: can't create PDOL data."); - return 4; + dreturn(4); } PrintAndLog("PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len)); @@ -477,11 +704,11 @@ int CmdHFEMVExec(const char *cmd) { res = EMVGPO(true, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot); free(pdol_data_tlv_data); - free(pdol_data_tlv); + //free(pdol_data_tlv); --- free on exit. if (res) { PrintAndLog("GPO error(%d): %4x. Exit...", res, sw); - return 5; + dreturn(5); } // process response template format 1 [id:80 2b AIP + x4b AFL] and format 2 [id:77 TLV] @@ -567,9 +794,23 @@ int CmdHFEMVExec(const char *cmd) { PrintAndLog(""); } + // Build Input list for Offline Data Authentication + // EMV 4.3 book3 10.3, page 96 if (SFIoffline) { - // here will be offline records storing... - // dont foget: if (sfi < 11) + if (SFI < 11) { + const unsigned char *abuf = buf; + size_t elmlen = len; + struct tlv e; + if (tlv_parse_tl(&abuf, &elmlen, &e)) { + memcpy(&ODAiList[ODAiListLen], &buf[len - elmlen], elmlen); + ODAiListLen += elmlen; + } else { + PrintAndLog("ERROR SFI[%02x]. Creating input list for Offline Data Authentication error.", SFI); + } + } else { + memcpy(&ODAiList[ODAiListLen], buf, len); + ODAiListLen += len; + } } } } @@ -577,6 +818,13 @@ int CmdHFEMVExec(const char *cmd) { break; } + // copy Input list for Offline Data Authentication + if (ODAiListLen) { + struct tlvdb *oda = tlvdb_fixed(0x21, ODAiListLen, ODAiList); // not a standard tag + tlvdb_add(tlvRoot, oda); + PrintAndLog("* Input list for Offline Data Authentication added to TLV. len=%d \n", ODAiListLen); + } + // get AIP const struct tlv *AIPtlv = tlvdb_get(tlvRoot, 0x82, NULL); uint16_t AIP = AIPtlv->value[0] + AIPtlv->value[1] * 0x100; @@ -585,13 +833,13 @@ int CmdHFEMVExec(const char *cmd) { // SDA if (AIP & 0x0040) { PrintAndLog("\n* SDA"); - trSDA(AID, AIDlen, tlvRoot); + trSDA(tlvRoot); } // DDA if (AIP & 0x0020) { PrintAndLog("\n* DDA"); - + trDDA(decodeTLV, tlvRoot); } // transaction check @@ -644,11 +892,11 @@ int CmdHFEMVExec(const char *cmd) { res = EMVGenerateChallenge(true, buf, sizeof(buf), &len, &sw, tlvRoot); if (res) { PrintAndLog("ERROR GetChallenge. APDU error %4x", sw); - return 5; + dreturn(6); } if (len < 4) { PrintAndLog("ERROR GetChallenge. Wrong challenge length %d", len); - return 5; + dreturn(6); } // ICC Dynamic Number @@ -663,7 +911,7 @@ int CmdHFEMVExec(const char *cmd) { struct tlv *cdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x8c, NULL), tlvRoot, 0x01); // 0x01 - dummy tag if (!cdol_data_tlv){ PrintAndLog("ERROR: can't create CDOL1 TLV."); - return 4; + dreturn(6); } PrintAndLog("CDOL1 data[%d]: %s", cdol_data_tlv->len, sprint_hex(cdol_data_tlv->value, cdol_data_tlv->len)); @@ -671,17 +919,25 @@ int CmdHFEMVExec(const char *cmd) { // EMVAC_TC + EMVAC_CDAREQ --- to get SDAD 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); - free(cdol_data_tlv); - if (res) { PrintAndLog("AC1 error(%d): %4x. Exit...", res, sw); - return 5; + dreturn(7); } if (decodeTLV) TLVPrintFromBuffer(buf, len); - PrintAndLog("* M/Chip transaction result:"); + // CDA + PrintAndLog("\n* CDA:"); + struct tlvdb *ac_tlv = tlvdb_parse_multi(buf, len); + res = trCDA(tlvRoot, ac_tlv, pdol_data_tlv, cdol_data_tlv); + if (res) { + PrintAndLog("CDA error (%d)", res); + } + free(ac_tlv); + free(cdol_data_tlv); + + PrintAndLog("\n* M/Chip transaction result:"); // 9F27: Cryptogram Information Data (CID) const struct tlv *CID = tlvdb_get(tlvRoot, 0x9F27, NULL); if (CID) { @@ -743,7 +999,7 @@ int CmdHFEMVExec(const char *cmd) { struct tlv *udol_data_tlv = dol_process(UDOL ? UDOL : &defUDOL, tlvRoot, 0x01); // 0x01 - dummy tag if (!udol_data_tlv){ PrintAndLog("ERROR: can't create UDOL TLV."); - return 4; + dreturn(8); } PrintAndLog("UDOL data[%d]: %s", udol_data_tlv->len, sprint_hex(udol_data_tlv->value, udol_data_tlv->len)); @@ -753,24 +1009,27 @@ int CmdHFEMVExec(const char *cmd) { res = MSCComputeCryptoChecksum(true, (uint8_t *)udol_data_tlv->value, udol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot); if (res) { PrintAndLog("ERROR Compute Crypto Checksum. APDU error %4x", sw); - return 5; + free(udol_data_tlv); + dreturn(9); } if (decodeTLV) { TLVPrintFromBuffer(buf, len); PrintAndLog(""); } + free(udol_data_tlv); } } else { PrintAndLog("ERROR MSD: Track2 data not found."); } } - + // DropField DropField(); // Destroy TLV's + free(pdol_data_tlv); tlvdb_free(tlvSelect); tlvdb_free(tlvRoot); @@ -779,13 +1038,23 @@ int CmdHFEMVExec(const char *cmd) { return 0; } +int CmdHFEMVTest(const char *cmd) { + return ExecuteCryptoTests(true); +} + int CmdHelp(const char *Cmd); static command_t CommandTable[] = { - {"help", CmdHelp, 1, "This help"}, - {"exec", CmdHFEMVExec, 0, "Executes EMV contactless transaction."}, - {"pse", CmdHFEMVPPSE, 0, "Execute PPSE. It selects 2PAY.SYS.DDF01 or 1PAY.SYS.DDF01 directory."}, - {"search", CmdHFEMVSearch, 0, "Try to select all applets from applets list and print installed applets."}, - {"select", CmdHFEMVSelect, 0, "Select applet."}, + {"help", CmdHelp, 1, "This help"}, + {"exec", CmdHFEMVExec, 0, "Executes EMV contactless transaction."}, + {"pse", CmdHFEMVPPSE, 0, "Execute PPSE. It selects 2PAY.SYS.DDF01 or 1PAY.SYS.DDF01 directory."}, + {"search", CmdHFEMVSearch, 0, "Try to select all applets from applets list and print installed applets."}, + {"select", CmdHFEMVSelect, 0, "Select applet."}, + {"gpo", CmdHFEMVGPO, 0, "Execute GetProcessingOptions."}, + {"readrec", CmdHFEMVReadRecord, 0, "Read files from card."}, + {"genac", CmdHFEMVAC, 0, "Generate ApplicationCryptogram."}, + {"challenge", CmdHFEMVGenerateChallenge, 0, "Generate challenge."}, + {"intauth", CmdHFEMVInternalAuthenticate, 0, "Internal authentication."}, + {"test", CmdHFEMVTest, 0, "Crypto logic test."}, {NULL, NULL, 0, NULL} };