//-----------------------------------------------------------------------------
-// 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
// EMV commands
//-----------------------------------------------------------------------------
+#include <ctype.h>
+#include "mifare.h"
#include "cmdemv.h"
+#include "emvjson.h"
+#include "emv_pki.h"
+#include "test/cryptotest.h"
+#include "cliparser/cliparser.h"
+#include <jansson.h>
-int UsageCmdHFEMVSelect(void) {
- PrintAndLog("HELP : Executes select applet command:\n");
- PrintAndLog("Usage: hf emv select [-s][-k][-a][-t] <HEX applet AID>\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;
+#define TLV_ADD(tag, value)( tlvdb_change_or_add_node(tlvRoot, tag, sizeof(value) - 1, (const unsigned char *)value) )
+void ParamLoadDefaults(struct tlvdb *tlvRoot) {
+ //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
}
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_strx0(NULL, NULL, "<HEX applet AID>", 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);
+ CLIGetHexWithReturn(5, data, &datalen);
+ CLIParserFree();
+
+ SetAPDULogging(APDULogging);
// exec
uint8_t buf[APDU_RES_LEN] = {0};
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;
-
- if (strlen(cmd) < 1) {
- UsageCmdHFEMVSearch();
- 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':
- 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++;
- }
+ 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");
+ 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);
+
+ 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);
+
struct tlvdb *t = NULL;
const char *al = "Applets list";
t = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
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) {
+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 -t 01020304 -> execute GPO with 4-byte PDOL data, show result in TLV\n"
+ "\thf emv gpo -pmt 9F 37 04 -> load params from file, make PDOL data from PDOL, execute GPO with PDOL, show result in TLV\n");
+
+ void* argtable[] = {
+ arg_param_begin,
+ arg_lit0("kK", "keep", "keep field ON for next command"),
+ arg_lit0("pP", "params", "load parameters from `emv/defparams.json` file for PDOLdata making from PDOL and parameters"),
+ arg_lit0("mM", "make", "make PDOLdata from PDOL (tag 9F38) and parameters (by default uses default parameters)"),
+ arg_lit0("aA", "apdu", "show APDU reqests and responses"),
+ arg_lit0("tT", "tlv", "TLV decode results of selected applets"),
+ arg_strx0(NULL, NULL, "<HEX PDOLdata/PDOL>", NULL),
+ arg_param_end
+ };
+ CLIExecWithReturn(cmd, argtable, true);
- uint8_t PSENum = 2;
- bool activateField = false;
- bool leaveSignalON = false;
- bool decodeTLV = false;
-
- if (strlen(cmd) < 1) {
- UsageCmdHFEMVPPSE();
- 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':
- 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;
+ 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);
+ CLIGetHexWithReturn(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 = 0x83,
+ .len = datalen,
+ .value = (uint8_t *)data,
+ };
+ if (dataMakeFromPDOL) {
+ ParamLoadDefaults(tlvRoot);
+
+ if (paramsLoadFromFile) {
+ PrintAndLog("Params loading from file...");
+ ParamLoadFromJson(tlvRoot);
+ };
+
+ pdol_data_tlv = dol_process((const struct tlv *)tlvdb_external(0x9f38, datalen, data), tlvRoot, 0x83);
+ if (!pdol_data_tlv){
+ PrintAndLog("ERROR: can't create PDOL TLV.");
+ tlvdb_free(tlvRoot);
+ return 4;
+ }
+ } else {
+ if (paramsLoadFromFile) {
+ PrintAndLog("WARNING: don't need to load parameters. Sending plain PDOL data...");
}
- cmdp++;
+ pdol_data_tlv = &data_tlv;
+ }
+
+ 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));
// 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 = EMVGPO(leaveSignalON, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
+
+ if (pdol_data_tlv != &data_tlv)
+ free(pdol_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 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_strx1(NULL, NULL, "<SFI 1byte HEX><SFIrec 1byte HEX>", 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);
+ CLIGetHexWithReturn(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 = 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));
return 0;
}
-int UsageCmdHFEMVExec(void) {
- PrintAndLog("HELP : Executes EMV contactless transaction:\n");
- PrintAndLog("Usage: hf emv exec [-s][-a][-t]\n");
- PrintAndLog(" Options:");
- PrintAndLog(" -s : select card");
- PrintAndLog(" -a : show APDU reqests and responses\n");
- PrintAndLog(" -t : TLV decode results\n");
- PrintAndLog(" -f : force search AID. Search AID instead of execute PPSE.\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");
+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"
+ "\thf emv genac -pmt 9F 37 04 -> load params from file, make CDOL data from CDOL, generate AC with CDOL, show result in TLV");
+
+ 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", "<aac|tc|arqc>", "Terminal decision. aac - declined, tc - approved, arqc - online authorisation requested"),
+ arg_lit0("pP", "params", "load parameters from `emv/defparams.json` file for CDOLdata making from CDOL and parameters"),
+ arg_lit0("mM", "make", "make CDOLdata from CDOL (tag 8C and 8D) and parameters (by default uses default parameters)"),
+ arg_lit0("aA", "apdu", "show APDU reqests and responses"),
+ arg_lit0("tT", "tlv", "TLV decode results of selected applets"),
+ arg_strx1(NULL, NULL, "<HEX CDOLdata/CDOL>", 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 paramsLoadFromFile = arg_get_lit(4);
+ bool dataMakeFromCDOL = arg_get_lit(5);
+ bool APDULogging = arg_get_lit(6);
+ bool decodeTLV = arg_get_lit(7);
+ CLIGetHexWithReturn(8, 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 data_tlv = {
+ .tag = 0x01,
+ .len = datalen,
+ .value = (uint8_t *)data,
+ };
+
+ if (dataMakeFromCDOL) {
+ ParamLoadDefaults(tlvRoot);
+
+ if (paramsLoadFromFile) {
+ PrintAndLog("Params loading from file...");
+ ParamLoadFromJson(tlvRoot);
+ };
+
+ cdol_data_tlv = dol_process((const struct tlv *)tlvdb_external(0x8c, datalen, data), tlvRoot, 0x01); // 0x01 - dummy tag
+ if (!cdol_data_tlv){
+ PrintAndLog("ERROR: can't create CDOL TLV.");
+ tlvdb_free(tlvRoot);
+ return 4;
+ }
+ } else {
+ if (paramsLoadFromFile) {
+ PrintAndLog("WARNING: don't need to load parameters. Sending plain CDOL 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);
+
+ if (cdol_data_tlv != &data_tlv)
+ 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;
}
-#define TLV_ADD(tag, value)( tlvdb_add(tlvRoot, tlvdb_fixed(tag, sizeof(value) - 1, (const unsigned char *)value)) )
+int CmdHFEMVInternalAuthenticate(const char *cmd) {
+ uint8_t data[APDU_RES_LEN] = {0};
+ int datalen = 0;
-int CmdHFEMVExec(const char *cmd) {
- bool activateField = false;
- bool showAPDU = false;
- bool decodeTLV = false;
- bool forceSearch = false;
+ 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"
+ "\thf emv intauth -pmt 9F 37 04 -> load params from file, make DDOL data from DDOL, Internal Authenticate with DDOL, show result in TLV");
+ void* argtable[] = {
+ arg_param_begin,
+ arg_lit0("kK", "keep", "keep field ON for next command"),
+ arg_lit0("pP", "params", "load parameters from `emv/defparams.json` file for DDOLdata making from DDOL and parameters"),
+ arg_lit0("mM", "make", "make DDOLdata from DDOL (tag 9F49) and parameters (by default uses default parameters)"),
+ arg_lit0("aA", "apdu", "show APDU reqests and responses"),
+ arg_lit0("tT", "tlv", "TLV decode results of selected applets"),
+ arg_strx1(NULL, NULL, "<HEX DDOLdata/DDOL>", NULL),
+ arg_param_end
+ };
+ CLIExecWithReturn(cmd, argtable, false);
+
+ bool leaveSignalON = arg_get_lit(1);
+ bool paramsLoadFromFile = arg_get_lit(2);
+ bool dataMakeFromDDOL = arg_get_lit(3);
+ bool APDULogging = arg_get_lit(4);
+ bool decodeTLV = arg_get_lit(5);
+ CLIGetHexWithReturn(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 DDOL
+ struct tlv *ddol_data_tlv = NULL;
+ struct tlv data_tlv = {
+ .tag = 0x01,
+ .len = datalen,
+ .value = (uint8_t *)data,
+ };
+
+ if (dataMakeFromDDOL) {
+ ParamLoadDefaults(tlvRoot);
+
+ if (paramsLoadFromFile) {
+ PrintAndLog("Params loading from file...");
+ ParamLoadFromJson(tlvRoot);
+ };
+
+ ddol_data_tlv = dol_process((const struct tlv *)tlvdb_external(0x9f49, datalen, data), tlvRoot, 0x01); // 0x01 - dummy tag
+ if (!ddol_data_tlv){
+ PrintAndLog("ERROR: can't create DDOL TLV.");
+ tlvdb_free(tlvRoot);
+ return 4;
+ }
+ } else {
+ if (paramsLoadFromFile) {
+ PrintAndLog("WARNING: don't need to load parameters. Sending plain DDOL data...");
+ }
+ ddol_data_tlv = &data_tlv;
+ }
+
+ PrintAndLog("DDOL data[%d]: %s", ddol_data_tlv->len, sprint_hex(ddol_data_tlv->value, ddol_data_tlv->len));
+
+ // 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 (ddol_data_tlv != &data_tlv)
+ free(ddol_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;
+}
+
+#define dreturn(n) {free(pdol_data_tlv);tlvdb_free(tlvSelect);tlvdb_free(tlvRoot);DropField();return n;}
+
+void InitTransactionParameters(struct tlvdb *tlvRoot, bool paramLoadJSON, enum TransactionType TrType, bool GenACGPO) {
+
+ ParamLoadDefaults(tlvRoot);
+
+ if (paramLoadJSON) {
+ PrintAndLog("* * Transaction parameters loading from JSON...");
+ ParamLoadFromJson(tlvRoot);
+ }
+
+ //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 standard for contactless. just for test.
+ case TT_VSDC:
+ TLV_ADD(0x9F66, "\x46\x00\x00\x00"); // VSDC
+ break;
+ case TT_QVSDCMCHIP:
+ TLV_ADD(0x9F66, qVSDC); // qVSDC
+ break;
+ case TT_CDA:
+ TLV_ADD(0x9F66, qVSDC); // qVSDC (VISA CDA not enabled)
+ break;
+ default:
+ break;
+ }
+}
+
+void ProcessGPOResponseFormat1(struct tlvdb *tlvRoot, uint8_t *buf, size_t len, bool decodeTLV) {
+ if (buf[0] == 0x80) {
+ if (decodeTLV){
+ PrintAndLog("GPO response format1:");
+ TLVPrintFromBuffer(buf, len);
+ }
+
+ if (len < 4 || (len - 4) % 4) {
+ PrintAndLog("ERROR: GPO response format1 parsing error. length=%d", len);
+ } else {
+ // AIP
+ struct tlvdb * f1AIP = tlvdb_fixed(0x82, 2, buf + 2);
+ tlvdb_add(tlvRoot, f1AIP);
+ if (decodeTLV){
+ PrintAndLog("\n* * Decode response format 1 (0x80) AIP and AFL:");
+ TLVPrintFromTLV(f1AIP);
+ }
+
+ // AFL
+ struct tlvdb * f1AFL = tlvdb_fixed(0x94, len - 4, buf + 2 + 2);
+ tlvdb_add(tlvRoot, f1AFL);
+ if (decodeTLV)
+ TLVPrintFromTLV(f1AFL);
+ }
+ } else {
+ if (decodeTLV)
+ TLVPrintFromBuffer(buf, len);
+ }
+}
+
+int CmdHFEMVExec(const char *cmd) {
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;
- if (strlen(cmd) < 1) {
- UsageCmdHFEMVExec();
- return 0;
- }
-
- 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 'a':
- case 'A':
- showAPDU = true;
- break;
- case 't':
- case 'T':
- decodeTLV = true;
- break;
- case 'f':
- case 'F':
- forceSearch = true;
- break;
- default:
- PrintAndLog("Unknown parameter '%c'", param_getchar_indx(cmd, 1, cmdp));
- return 1;
- }
- cmdp++;
- }
+ struct tlvdb *tlvSelect = NULL;
+ struct tlvdb *tlvRoot = NULL;
+ struct tlv *pdol_data_tlv = NULL;
+
+ CLIParserInit("hf emv exec",
+ "Executes EMV contactless transaction",
+ "Usage:\n\thf emv exec -sat -> select card, execute MSD transaction, show APDU and TLV\n"
+ "\thf emv exec -satc -> select card, execute CDA transaction, show APDU and TLV\n");
+
+ void* argtable[] = {
+ arg_param_begin,
+ arg_lit0("sS", "select", "activate field and select card."),
+ arg_lit0("aA", "apdu", "show APDU reqests and responses."),
+ arg_lit0("tT", "tlv", "TLV decode results."),
+ arg_lit0("jJ", "jload", "Load transaction parameters from `emv/defparams.json` file."),
+ arg_lit0("fF", "forceaid", "Force search AID. Search AID instead of execute PPSE."),
+ arg_rem("By default:", "Transaction type - MSD"),
+ arg_lit0("vV", "qvsdc", "Transaction type - qVSDC or M/Chip."),
+ arg_lit0("cC", "qvsdccda", "Transaction type - qVSDC or M/Chip plus CDA (SDAD generation)."),
+ arg_lit0("xX", "vsdc", "Transaction type - VSDC. For test only. Not a standart behavior."),
+ arg_lit0("gG", "acgpo", "VISA. generate AC from GPO."),
+ arg_param_end
+ };
+ CLIExecWithReturn(cmd, argtable, true);
+
+ bool activateField = arg_get_lit(1);
+ bool showAPDU = arg_get_lit(2);
+ bool decodeTLV = arg_get_lit(3);
+ bool paramLoadJSON = arg_get_lit(4);
+ bool forceSearch = arg_get_lit(5);
+
+ enum TransactionType TrType = TT_MSD;
+ if (arg_get_lit(6))
+ TrType = TT_QVSDCMCHIP;
+ if (arg_get_lit(7))
+ TrType = TT_CDA;
+ if (arg_get_lit(8))
+ TrType = TT_VSDC;
+ bool GenACGPO = arg_get_lit(9);
+ CLIParserFree();
+
+ SetAPDULogging(showAPDU);
// init applets list tree
- struct tlvdb *tlvSelect = NULL;
const char *al = "Applets list";
tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
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
}
// 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
if (res) {
PrintAndLog("Can't select AID (%d). Exit...", res);
- return 3;
+ dreturn(3);
}
if (decodeTLV)
PrintAndLog("* Selected.");
PrintAndLog("\n* Init transaction parameters.");
-
- //9F66:(Terminal Transaction Qualifiers (TTQ)) len:4
- TLV_ADD(0x9F66, "\x86\x00\x00\x00"); // MSD
-// TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // qVSDC
-// TLV_ADD(0x9F66, "\x8e\x00\x00\x00"); // CDA
- //9F02:(Amount, Authorised (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");
-
+ InitTransactionParameters(tlvRoot, paramLoadJSON, TrType, GenACGPO);
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));
PrintAndLog("\n* GPO.");
res = EMVGPO(true, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
- free(pdol_data_tlv);
+ free(pdol_data_tlv_data);
+ //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]
- if (buf[0] == 0x80) {
- if (decodeTLV){
- PrintAndLog("GPO response format1:");
- TLVPrintFromBuffer(buf, len);
- }
-
- if (len < 4 || (len - 4) % 4) {
- PrintAndLog("ERROR: GPO response format1 parsing error. length=%d", len);
- } else {
- // AIP
- struct tlvdb * f1AIP = tlvdb_fixed(0x82, 2, buf + 2);
- tlvdb_add(tlvRoot, f1AIP);
- if (decodeTLV){
- PrintAndLog("\n* * Decode response format 1 (0x80) AIP and AFL:");
- TLVPrintFromTLV(f1AIP);
- }
-
- // AFL
- struct tlvdb * f1AFL = tlvdb_fixed(0x94, len - 4, buf + 2 + 2);
- tlvdb_add(tlvRoot, f1AFL);
- if (decodeTLV)
- TLVPrintFromTLV(f1AFL);
- }
- } else {
- if (decodeTLV)
- TLVPrintFromBuffer(buf, len);
- }
+ ProcessGPOResponseFormat1(tlvRoot, buf, len, decodeTLV);
// extract PAN from track2
{
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;
+ }
}
}
}
break;
}
- // transaction check
+ // 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;
- PrintAndLog("* * AIP=%x", AIP);
+ PrintAndLog("* * AIP=%04x", AIP);
+ // SDA
+ if (AIP & 0x0040) {
+ PrintAndLog("\n* SDA");
+ trSDA(tlvRoot);
+ }
+
+ // DDA
+ if (AIP & 0x0020) {
+ PrintAndLog("\n* DDA");
+ trDDA(decodeTLV, tlvRoot);
+ }
+
+ // transaction check
+
// qVSDC
- {
+ if (TrType == TT_QVSDCMCHIP|| TrType == TT_CDA){
// 9F26: Application Cryptogram
const struct tlv *AC = tlvdb_get(tlvRoot, 0x9F26, NULL);
if (AC) {
}
}
- // TODO: Mastercard M/CHIP
- {
+ // Mastercard M/CHIP
+ if (GetCardPSVendor(AID, AIDlen) == CV_MASTERCARD && (TrType == TT_QVSDCMCHIP || TrType == TT_CDA)){
const struct tlv *CDOL1 = tlvdb_get(tlvRoot, 0x8c, NULL);
if (CDOL1 && GetCardPSVendor(AID, AIDlen) == CV_MASTERCARD) { // and m/chip transaction flag
+ PrintAndLog("\n--> Mastercard M/Chip transaction.");
+
+ PrintAndLog("* * Generate challenge");
+ res = EMVGenerateChallenge(true, buf, sizeof(buf), &len, &sw, tlvRoot);
+ if (res) {
+ PrintAndLog("ERROR GetChallenge. APDU error %4x", sw);
+ dreturn(6);
+ }
+ if (len < 4) {
+ PrintAndLog("ERROR GetChallenge. Wrong challenge length %d", len);
+ dreturn(6);
+ }
+
+ // ICC Dynamic Number
+ struct tlvdb * ICCDynN = tlvdb_fixed(0x9f4c, len, buf);
+ tlvdb_add(tlvRoot, ICCDynN);
+ if (decodeTLV){
+ PrintAndLog("\n* * ICC Dynamic Number:");
+ TLVPrintFromTLV(ICCDynN);
+ }
+
+ PrintAndLog("* * Calc CDOL1");
+ 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.");
+ dreturn(6);
+ }
+ PrintAndLog("CDOL1 data[%d]: %s", cdol_data_tlv->len, sprint_hex(cdol_data_tlv->value, cdol_data_tlv->len));
+
+ PrintAndLog("* * AC1");
+ // 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);
+
+ if (res) {
+ PrintAndLog("AC1 error(%d): %4x. Exit...", res, sw);
+ dreturn(7);
+ }
+
+ if (decodeTLV)
+ TLVPrintFromBuffer(buf, len);
+
+ // 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) {
+ emv_tag_dump(CID, stdout, 0);
+ PrintAndLog("------------------------------");
+ if (CID->len > 0) {
+ switch(CID->value[0] & EMVAC_AC_MASK){
+ case EMVAC_AAC:
+ PrintAndLog("Transaction DECLINED.");
+ break;
+ case EMVAC_TC:
+ PrintAndLog("Transaction approved OFFLINE.");
+ break;
+ case EMVAC_ARQC:
+ PrintAndLog("Transaction approved ONLINE.");
+ break;
+ default:
+ PrintAndLog("ERROR: CID transaction code error %2x", CID->value[0] & EMVAC_AC_MASK);
+ break;
+ }
+ } else {
+ PrintAndLog("ERROR: Wrong CID length %d", CID->len);
+ }
+ } else {
+ PrintAndLog("ERROR: CID(9F27) not found.");
+ }
}
}
// MSD
- if (AIP & 0x8000) {
+ if (AIP & 0x8000 && TrType == TT_MSD) {
PrintAndLog("\n--> MSD transaction.");
-
PrintAndLog("* MSD dCVV path. Check dCVV");
const struct tlv *track2 = tlvdb_get(tlvRoot, 0x57, NULL);
if (!UDOL)
PrintAndLog("Use default UDOL.");
- struct tlv *udol_data_tlv = dol_process(UDOL ? UDOL : &defUDOL, tlvRoot, 0x01); // 0x01 - fake tag!
+ 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));
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.");
}
}
-
- // additional contacless EMV commands (fDDA, external authenticate)
-
-
+
// DropField
DropField();
// Destroy TLV's
+ free(pdol_data_tlv);
tlvdb_free(tlvSelect);
tlvdb_free(tlvRoot);
return 0;
}
+int CmdHFEMVScan(const char *cmd) {
+ uint8_t AID[APDU_AID_LEN] = {0};
+ size_t AIDlen = 0;
+ uint8_t buf[APDU_RES_LEN] = {0};
+ size_t len = 0;
+ uint16_t sw = 0;
+ int res;
+ json_t *root;
+ json_error_t error;
+
+ CLIParserInit("hf emv scan",
+ "Scan EMV card and save it contents to a file.",
+ "It executes EMV contactless transaction and saves result to a file which can be used for emulation\n"
+ "Usage:\n\thf emv scan -at -> scan MSD transaction mode and show APDU and TLV\n"
+ "\thf emv scan -c -> scan CDA transaction mode\n");
+
+ void* argtable[] = {
+ arg_param_begin,
+ arg_lit0("aA", "apdu", "show APDU reqests and responses."),
+ arg_lit0("tT", "tlv", "TLV decode results."),
+ arg_lit0("eE", "extract", "Extract TLV elements and fill Application Data"),
+ arg_lit0("jJ", "jload", "Load transaction parameters from `emv/defparams.json` file."),
+ arg_rem("By default:", "Transaction type - MSD"),
+ arg_lit0("vV", "qvsdc", "Transaction type - qVSDC or M/Chip."),
+ arg_lit0("cC", "qvsdccda", "Transaction type - qVSDC or M/Chip plus CDA (SDAD generation)."),
+ arg_lit0("xX", "vsdc", "Transaction type - VSDC. For test only. Not a standart behavior."),
+ arg_lit0("gG", "acgpo", "VISA. generate AC from GPO."),
+ arg_lit0("mM", "merge", "Merge output file with card's data. (warning: the file may be corrupted!)"),
+ arg_str1(NULL, NULL, "output.json", "JSON output file name"),
+ arg_param_end
+ };
+ CLIExecWithReturn(cmd, argtable, true);
+
+ bool showAPDU = arg_get_lit(1);
+ bool decodeTLV = arg_get_lit(2);
+ bool extractTLVElements = arg_get_lit(3);
+ bool paramLoadJSON = arg_get_lit(4);
+
+ enum TransactionType TrType = TT_MSD;
+ if (arg_get_lit(6))
+ TrType = TT_QVSDCMCHIP;
+ if (arg_get_lit(7))
+ TrType = TT_CDA;
+ if (arg_get_lit(8))
+ TrType = TT_VSDC;
+
+ bool GenACGPO = arg_get_lit(9);
+ bool MergeJSON = arg_get_lit(10);
+ uint8_t relfname[250] ={0};
+ char *crelfname = (char *)relfname;
+ int relfnamelen = 0;
+ CLIGetStrWithReturn(11, relfname, &relfnamelen);
+ CLIParserFree();
+
+ SetAPDULogging(showAPDU);
+
+ // current path + file name
+ if (!strstr(crelfname, ".json"))
+ strcat(crelfname, ".json");
+ char fname[strlen(get_my_executable_directory()) + strlen(crelfname) + 1];
+ strcpy(fname, get_my_executable_directory());
+ strcat(fname, crelfname);
+
+ if (MergeJSON) {
+ root = json_load_file(fname, 0, &error);
+ if (!root) {
+ PrintAndLog("ERROR: json error on line %d: %s", error.line, error.text);
+ return 1;
+ }
+
+ if (!json_is_object(root)) {
+ PrintAndLog("ERROR: Invalid json format. root must be an object.");
+ return 1;
+ }
+ } else {
+ root = json_object();
+ }
+
+ // drop field at start
+ DropField();
+
+ // iso 14443 select
+ PrintAndLog("--> GET UID, ATS.");
+
+ iso14a_card_select_t card;
+ if (Hf14443_4aGetCardData(&card)) {
+ return 2;
+ }
+
+ JsonSaveStr(root, "$.File.Created", "proxmark3 `hf emv scan`");
+
+ JsonSaveStr(root, "$.Card.Communication", "iso14443-4a");
+ JsonSaveBufAsHex(root, "$.Card.UID", (uint8_t *)&card.uid, card.uidlen);
+ JsonSaveHex(root, "$.Card.ATQA", card.atqa[0] + (card.atqa[1] << 2), 2);
+ JsonSaveHex(root, "$.Card.SAK", card.sak, 0);
+ JsonSaveBufAsHex(root, "$.Card.ATS", (uint8_t *)card.ats, card.ats_len);
+
+ // init applets list tree
+ const char *al = "Applets list";
+ struct tlvdb *tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
+
+ // EMV PPSE
+ PrintAndLog("--> PPSE.");
+ res = EMVSelectPSE(true, true, 2, buf, sizeof(buf), &len, &sw);
+
+ if (!res && sw == 0x9000){
+ if (decodeTLV)
+ TLVPrintFromBuffer(buf, len);
+
+ JsonSaveBufAsHex(root, "$.PPSE.AID", (uint8_t *)"2PAY.SYS.DDF01", 14);
+
+ struct tlvdb *fci = tlvdb_parse_multi(buf, len);
+ if (extractTLVElements)
+ JsonSaveTLVTree(root, root, "$.PPSE.FCITemplate", fci);
+ else
+ JsonSaveTLVTreeElm(root, "$.PPSE.FCITemplate", fci, true, true, false);
+ JsonSaveTLVValue(root, "$.Application.KernelID", tlvdb_find_full(fci, 0x9f2a));
+ tlvdb_free(fci);
+ }
+
+ res = EMVSearchPSE(false, true, decodeTLV, tlvSelect);
+
+ // check PPSE and select application id
+ if (!res) {
+ TLVPrintAIDlistFromSelectTLV(tlvSelect);
+ } else {
+ // EMV SEARCH with AID list
+ SetAPDULogging(false);
+ PrintAndLog("--> AID search.");
+ if (EMVSearch(false, true, decodeTLV, tlvSelect)) {
+ PrintAndLog("E->Can't found any of EMV AID. Exit...");
+ tlvdb_free(tlvSelect);
+ DropField();
+ return 3;
+ }
+
+ // check search and select application id
+ TLVPrintAIDlistFromSelectTLV(tlvSelect);
+ }
+
+ // EMV SELECT application
+ SetAPDULogging(showAPDU);
+ EMVSelectApplication(tlvSelect, AID, &AIDlen);
+
+ tlvdb_free(tlvSelect);
+
+ if (!AIDlen) {
+ PrintAndLog("Can't select AID. EMV AID not found. Exit...");
+ DropField();
+ return 4;
+ }
+
+ JsonSaveBufAsHex(root, "$.Application.AID", AID, AIDlen);
+
+ // Init TLV tree
+ const char *alr = "Root terminal TLV tree";
+ struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr);
+
+ // EMV SELECT applet
+
+ PrintAndLog("\n-->Selecting AID:%s.", sprint_hex_inrow(AID, AIDlen));
+ SetAPDULogging(showAPDU);
+ res = EMVSelect(false, true, AID, AIDlen, buf, sizeof(buf), &len, &sw, tlvRoot);
+
+ if (res) {
+ PrintAndLog("E->Can't select AID (%d). Exit...", res);
+ tlvdb_free(tlvRoot);
+ DropField();
+ return 5;
+ }
+
+ if (decodeTLV)
+ TLVPrintFromBuffer(buf, len);
+
+ // save mode
+ if (tlvdb_get(tlvRoot, 0x9f38, NULL)) {
+ JsonSaveStr(root, "$.Application.Mode", TransactionTypeStr[TrType]);
+ }
+
+ struct tlvdb *fci = tlvdb_parse_multi(buf, len);
+ if (extractTLVElements)
+ JsonSaveTLVTree(root, root, "$.Application.FCITemplate", fci);
+ else
+ JsonSaveTLVTreeElm(root, "$.Application.FCITemplate", fci, true, true, false);
+ tlvdb_free(fci);
+
+ // create transaction parameters
+ PrintAndLog("-->Init transaction parameters.");
+ InitTransactionParameters(tlvRoot, paramLoadJSON, TrType, GenACGPO);
+
+ PrintAndLog("-->Calc PDOL.");
+ struct tlv *pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83);
+ if (!pdol_data_tlv){
+ PrintAndLog("E->Can't create PDOL TLV.");
+ tlvdb_free(tlvRoot);
+ DropField();
+ return 6;
+ }
+
+ 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("E->Can't create PDOL data.");
+ tlvdb_free(tlvRoot);
+ DropField();
+ return 6;
+ }
+ PrintAndLog("PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
+
+ PrintAndLog("-->GPO.");
+ 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);
+
+ if (res) {
+ PrintAndLog("GPO error(%d): %4x. Exit...", res, sw);
+ tlvdb_free(tlvRoot);
+ DropField();
+ return 7;
+ }
+ ProcessGPOResponseFormat1(tlvRoot, buf, len, decodeTLV);
+
+ struct tlvdb *gpofci = tlvdb_parse_multi(buf, len);
+ if (extractTLVElements)
+ JsonSaveTLVTree(root, root, "$.Application.GPO", gpofci);
+ else
+ JsonSaveTLVTreeElm(root, "$.Application.GPO", gpofci, true, true, false);
+
+ JsonSaveTLVValue(root, "$.ApplicationData.AIP", tlvdb_find_full(gpofci, 0x82));
+ JsonSaveTLVValue(root, "$.ApplicationData.AFL", tlvdb_find_full(gpofci, 0x94));
+
+ tlvdb_free(gpofci);
+
+ PrintAndLog("-->Read records from AFL.");
+ const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL);
+
+ while(AFL && AFL->len) {
+ if (AFL->len % 4) {
+ PrintAndLog("E->Wrong AFL length: %d", AFL->len);
+ break;
+ }
+
+ json_t *sfijson = json_path_get(root, "$.Application.Records");
+ if (!sfijson) {
+ json_t *app = json_path_get(root, "$.Application");
+ json_object_set_new(app, "Records", json_array());
+
+ sfijson = json_path_get(root, "$.Application.Records");
+ }
+ if (!json_is_array(sfijson)) {
+ PrintAndLog("E->Internal logic error. `$.Application.Records` is not an array.");
+ break;
+ }
+ for (int i = 0; i < AFL->len / 4; i++) {
+ uint8_t SFI = AFL->value[i * 4 + 0] >> 3;
+ uint8_t SFIstart = AFL->value[i * 4 + 1];
+ uint8_t SFIend = AFL->value[i * 4 + 2];
+ uint8_t SFIoffline = AFL->value[i * 4 + 3];
+
+ PrintAndLog("--->SFI[%02x] start:%02x end:%02x offline:%02x", SFI, SFIstart, SFIend, SFIoffline);
+ if (SFI == 0 || SFI == 31 || SFIstart == 0 || SFIstart > SFIend) {
+ PrintAndLog("SFI ERROR! Skipped...");
+ continue;
+ }
+
+ for(int n = SFIstart; n <= SFIend; n++) {
+ PrintAndLog("---->SFI[%02x] %d", SFI, n);
+
+ res = EMVReadRecord(true, SFI, n, buf, sizeof(buf), &len, &sw, tlvRoot);
+ if (res) {
+ PrintAndLog("E->SFI[%02x]. APDU error %4x", SFI, sw);
+ continue;
+ }
+
+ if (decodeTLV) {
+ TLVPrintFromBuffer(buf, len);
+ PrintAndLog("");
+ }
+
+ json_t *jsonelm = json_object();
+ json_array_append_new(sfijson, jsonelm);
+
+ JsonSaveHex(jsonelm, "SFI", SFI, 1);
+ JsonSaveHex(jsonelm, "RecordNum", n, 1);
+ JsonSaveHex(jsonelm, "Offline", SFIoffline, 1);
+
+ struct tlvdb *rsfi = tlvdb_parse_multi(buf, len);
+ if (extractTLVElements)
+ JsonSaveTLVTree(root, jsonelm, "$.Data", rsfi);
+ else
+ JsonSaveTLVTreeElm(jsonelm, "$.Data", rsfi, true, true, false);
+ tlvdb_free(rsfi);
+ }
+ }
+
+ break;
+ }
+
+ // getting certificates
+ if (tlvdb_get(tlvRoot, 0x90, NULL)) {
+ PrintAndLog("-->Recovering certificates.");
+ PKISetStrictExecution(false);
+ RecoveryCertificates(tlvRoot, root);
+ PKISetStrictExecution(true);
+ }
+
+ // free tlv object
+ tlvdb_free(tlvRoot);
+
+ // DropField
+ DropField();
+
+ res = json_dump_file(root, fname, JSON_INDENT(2));
+ if (res) {
+ PrintAndLog("ERROR: can't save the file: %s", fname);
+ return 200;
+ }
+ PrintAndLog("File `%s` saved.", fname);
+
+ // free json object
+ json_decref(root);
+
+ 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."},
+ {"scan", CmdHFEMVScan, 0, "Scan EMV card and save it contents to json file for emulator."},
+ {"test", CmdHFEMVTest, 0, "Crypto logic test."},
{NULL, NULL, 0, NULL}
};
projects / proxmark3-svn / blobdiff