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1975 lines
61 KiB
C
1975 lines
61 KiB
C
//-----------------------------------------------------------------------------
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// Copyright (C) 2017 Merlok
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// modified 2017 iceman
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// This code is licensed to you under the terms of the GNU GPL, version 2 or,
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// at your option, any later version. See the LICENSE.txt file for the text of
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// the license.
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//-----------------------------------------------------------------------------
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// EMV commands
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//-----------------------------------------------------------------------------
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#include <ctype.h>
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#include "mifare.h"
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#include "cmdemv.h"
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#include "emvjson.h"
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#include "emv_pki.h"
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#include "test/cryptotest.h"
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#include "cliparser/cliparser.h"
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#include <jansson.h>
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static int CmdHelp(const char *Cmd);
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#define TLV_ADD(tag, value)( tlvdb_change_or_add_node(tlvRoot, tag, sizeof(value) - 1, (const unsigned char *)value) )
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void ParamLoadDefaults(struct tlvdb *tlvRoot) {
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//9F02:(Amount, authorized (Numeric)) len:6
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TLV_ADD(0x9F02, "\x00\x00\x00\x00\x01\x00");
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//9F1A:(Terminal Country Code) len:2
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TLV_ADD(0x9F1A, "ru");
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//5F2A:(Transaction Currency Code) len:2
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// USD 840, EUR 978, RUR 810, RUB 643, RUR 810(old), UAH 980, AZN 031, n/a 999
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TLV_ADD(0x5F2A, "\x09\x80");
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//9A:(Transaction Date) len:3
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TLV_ADD(0x9A, "\x00\x00\x00");
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//9C:(Transaction Type) len:1 | 00 => Goods and service #01 => Cash
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TLV_ADD(0x9C, "\x00");
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// 9F37 Unpredictable Number len:4
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TLV_ADD(0x9F37, "\x01\x02\x03\x04");
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// 9F6A Unpredictable Number (MSD for UDOL) len:4
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TLV_ADD(0x9F6A, "\x01\x02\x03\x04");
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//9F66:(Terminal Transaction Qualifiers (TTQ)) len:4
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TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // qVSDC
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//95:(Terminal Verification Results) len:5
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// all OK TVR
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TLV_ADD(0x95, "\x00\x00\x00\x00\x00");
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}
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void PrintChannel(EMVCommandChannel channel) {
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switch(channel) {
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case ECC_CONTACTLESS:
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PrintAndLogEx(INFO, "Channel: CONTACTLESS");
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break;
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case ECC_CONTACT:
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PrintAndLogEx(INFO, "Channel: CONTACT");
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break;
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}
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}
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int CmdEMVSelect(const char *cmd) {
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uint8_t data[APDU_AID_LEN] = {0};
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int datalen = 0;
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CLIParserInit("emv select",
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"Executes select applet command",
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"Usage:\n\temv select -s a00000000101 -> select card, select applet\n\temv select -st a00000000101 -> select card, select applet, show result in TLV\n");
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void* argtable[] = {
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arg_param_begin,
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arg_lit0("sS", "select", "activate field and select card"),
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arg_lit0("kK", "keep", "keep field for next command"),
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arg_lit0("aA", "apdu", "show APDU reqests and responses"),
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arg_lit0("tT", "tlv", "TLV decode results"),
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arg_lit0("wW", "wired", "Send data via contact (iso7816) interface. Contactless interface set by default."),
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arg_strx0(NULL, NULL, "<HEX applet AID>", NULL),
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arg_param_end
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};
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CLIExecWithReturn(cmd, argtable, true);
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bool activateField = arg_get_lit(1);
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bool leaveSignalON = arg_get_lit(2);
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bool APDULogging = arg_get_lit(3);
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bool decodeTLV = arg_get_lit(4);
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EMVCommandChannel channel = ECC_CONTACTLESS;
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if (arg_get_lit(5))
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channel = ECC_CONTACT;
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PrintChannel(channel);
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CLIGetHexWithReturn(6, data, &datalen);
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CLIParserFree();
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SetAPDULogging(APDULogging);
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// exec
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uint8_t buf[APDU_RES_LEN] = {0};
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size_t len = 0;
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uint16_t sw = 0;
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int res = EMVSelect(channel, activateField, leaveSignalON, data, datalen, buf, sizeof(buf), &len, &sw, NULL);
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if (sw)
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PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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if (res)
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return res;
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if (decodeTLV)
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TLVPrintFromBuffer(buf, len);
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return 0;
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}
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int CmdEMVSearch(const char *cmd) {
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CLIParserInit("emv search",
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"Tries to select all applets from applet list:\n",
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"Usage:\n\temv search -s -> select card and search\n\temv search -st -> select card, search and show result in TLV\n");
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void* argtable[] = {
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arg_param_begin,
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arg_lit0("sS", "select", "activate field and select card"),
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arg_lit0("kK", "keep", "keep field ON for next command"),
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arg_lit0("aA", "apdu", "show APDU reqests and responses"),
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arg_lit0("tT", "tlv", "TLV decode results of selected applets"),
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arg_lit0("wW", "wired", "Send data via contact (iso7816) interface. Contactless interface set by default."),
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arg_param_end
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};
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CLIExecWithReturn(cmd, argtable, true);
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bool activateField = arg_get_lit(1);
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bool leaveSignalON = arg_get_lit(2);
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bool APDULogging = arg_get_lit(3);
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bool decodeTLV = arg_get_lit(4);
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EMVCommandChannel channel = ECC_CONTACTLESS;
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if (arg_get_lit(5))
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channel = ECC_CONTACT;
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PrintChannel(channel);
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CLIParserFree();
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SetAPDULogging(APDULogging);
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struct tlvdb *t = NULL;
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const char *al = "Applets list";
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t = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
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if (EMVSearch(channel, activateField, leaveSignalON, decodeTLV, t)) {
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tlvdb_free(t);
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return 2;
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}
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PrintAndLogEx(SUCCESS, "Search completed.");
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// print list here
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if (!decodeTLV) {
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TLVPrintAIDlistFromSelectTLV(t);
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}
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tlvdb_free(t);
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return 0;
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}
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int CmdEMVPPSE(const char *cmd) {
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CLIParserInit("emv pse",
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"Executes PSE/PPSE select command. It returns list of applet on the card:\n",
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"Usage:\n\temv pse -s1 -> select, get pse\n\temv pse -st2 -> select, get ppse, show result in TLV\n");
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void* argtable[] = {
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arg_param_begin,
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arg_lit0("sS", "select", "activate field and select card"),
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arg_lit0("kK", "keep", "keep field ON for next command"),
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arg_lit0("1", "pse", "pse (1PAY.SYS.DDF01) mode"),
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arg_lit0("2", "ppse", "ppse (2PAY.SYS.DDF01) mode (default mode)"),
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arg_lit0("aA", "apdu", "show APDU reqests and responses"),
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arg_lit0("tT", "tlv", "TLV decode results of selected applets"),
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arg_lit0("wW", "wired", "Send data via contact (iso7816) interface. Contactless interface set by default."),
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arg_param_end
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};
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CLIExecWithReturn(cmd, argtable, true);
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bool activateField = arg_get_lit(1);
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bool leaveSignalON = arg_get_lit(2);
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uint8_t PSENum = 2;
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if (arg_get_lit(3))
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PSENum = 1;
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if (arg_get_lit(4))
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PSENum = 2;
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bool APDULogging = arg_get_lit(5);
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bool decodeTLV = arg_get_lit(6);
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EMVCommandChannel channel = ECC_CONTACTLESS;
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if (arg_get_lit(7))
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channel = ECC_CONTACT;
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PrintChannel(channel);
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CLIParserFree();
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SetAPDULogging(APDULogging);
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// exec
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uint8_t buf[APDU_RES_LEN] = {0};
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size_t len = 0;
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uint16_t sw = 0;
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int res = EMVSelectPSE(channel, activateField, leaveSignalON, PSENum, buf, sizeof(buf), &len, &sw);
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if (sw)
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PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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if (res)
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return res;
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if (decodeTLV)
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TLVPrintFromBuffer(buf, len);
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return 0;
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}
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int CmdEMVGPO(const char *cmd) {
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uint8_t data[APDU_RES_LEN] = {0};
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int datalen = 0;
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CLIParserInit("emv gpo",
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"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.",
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"Usage:\n\temv gpo -k -> execute GPO\n"
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"\temv gpo -t 01020304 -> execute GPO with 4-byte PDOL data, show result in TLV\n"
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"\temv gpo -pmt 9F 37 04 -> load params from file, make PDOL data from PDOL, execute GPO with PDOL, show result in TLV\n");
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void* argtable[] = {
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arg_param_begin,
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arg_lit0("kK", "keep", "keep field ON for next command"),
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arg_lit0("pP", "params", "load parameters from `emv/defparams.json` file for PDOLdata making from PDOL and parameters"),
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arg_lit0("mM", "make", "make PDOLdata from PDOL (tag 9F38) and parameters (by default uses default parameters)"),
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arg_lit0("aA", "apdu", "show APDU reqests and responses"),
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arg_lit0("tT", "tlv", "TLV decode results of selected applets"),
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arg_lit0("wW", "wired", "Send data via contact (iso7816) interface. Contactless interface set by default."),
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arg_strx0(NULL, NULL, "<HEX PDOLdata/PDOL>", NULL),
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arg_param_end
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};
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CLIExecWithReturn(cmd, argtable, true);
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bool leaveSignalON = arg_get_lit(1);
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bool paramsLoadFromFile = arg_get_lit(2);
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bool dataMakeFromPDOL = arg_get_lit(3);
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bool APDULogging = arg_get_lit(4);
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bool decodeTLV = arg_get_lit(5);
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EMVCommandChannel channel = ECC_CONTACTLESS;
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if (arg_get_lit(6))
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channel = ECC_CONTACT;
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PrintChannel(channel);
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CLIGetHexWithReturn(7, data, &datalen);
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CLIParserFree();
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SetAPDULogging(APDULogging);
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// Init TLV tree
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const char *alr = "Root terminal TLV tree";
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struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr);
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// calc PDOL
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struct tlv *pdol_data_tlv = NULL;
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struct tlvdb *tmp_ext = NULL;
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struct tlv data_tlv = {
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.tag = 0x83,
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.len = datalen,
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.value = (uint8_t *)data,
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};
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if (dataMakeFromPDOL) {
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ParamLoadDefaults(tlvRoot);
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if (paramsLoadFromFile) {
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PrintAndLogEx(INFO, "Params loading from file...");
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ParamLoadFromJson(tlvRoot);
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};
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tmp_ext = tlvdb_external(0x9f38, datalen, data);
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pdol_data_tlv = dol_process((const struct tlv *)tmp_ext, tlvRoot, 0x83);
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if (!pdol_data_tlv){
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PrintAndLogEx(ERR, "Can't create PDOL TLV.");
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tlvdb_free(tmp_ext);
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tlvdb_free(tlvRoot);
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return 4;
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}
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} else {
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if (paramsLoadFromFile) {
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PrintAndLogEx(WARNING, "Don't need to load parameters. Sending plain PDOL data...");
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}
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pdol_data_tlv = &data_tlv;
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}
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size_t pdol_data_tlv_data_len = 0;
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unsigned char *pdol_data_tlv_data = tlv_encode(pdol_data_tlv, &pdol_data_tlv_data_len);
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if (!pdol_data_tlv_data) {
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PrintAndLogEx(ERR, "Can't create PDOL data.");
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tlvdb_free(tmp_ext);
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tlvdb_free(tlvRoot);
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return 4;
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}
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PrintAndLogEx(INFO, "PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
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// exec
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uint8_t buf[APDU_RES_LEN] = {0};
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size_t len = 0;
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uint16_t sw = 0;
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int res = EMVGPO(channel, leaveSignalON, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
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if (pdol_data_tlv != &data_tlv)
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free(pdol_data_tlv);
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tlvdb_free(tmp_ext);
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tlvdb_free(tlvRoot);
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if (sw)
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PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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if (res)
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return res;
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if (decodeTLV)
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TLVPrintFromBuffer(buf, len);
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return 0;
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}
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int CmdEMVReadRecord(const char *cmd) {
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uint8_t data[APDU_RES_LEN] = {0};
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int datalen = 0;
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CLIParserInit("emv readrec",
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"Executes Read Record command. It returns data in TLV format.\nNeeds a bank applet to be selected and sometimes needs GPO to be executed.",
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"Usage:\n\temv readrec -k 0101 -> read file SFI=01, SFIrec=01\n\temv readrec -kt 0201-> read file 0201 and show result in TLV\n");
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void* argtable[] = {
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arg_param_begin,
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arg_lit0("kK", "keep", "keep field ON for next command"),
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arg_lit0("aA", "apdu", "show APDU reqests and responses"),
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arg_lit0("tT", "tlv", "TLV decode results of selected applets"),
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arg_lit0("wW", "wired", "Send data via contact (iso7816) interface. Contactless interface set by default."),
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arg_strx1(NULL, NULL, "<SFI 1byte HEX><SFIrecord 1byte HEX>", NULL),
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arg_param_end
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};
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CLIExecWithReturn(cmd, argtable, true);
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bool leaveSignalON = arg_get_lit(1);
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bool APDULogging = arg_get_lit(2);
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bool decodeTLV = arg_get_lit(3);
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EMVCommandChannel channel = ECC_CONTACTLESS;
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if (arg_get_lit(4))
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channel = ECC_CONTACT;
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PrintChannel(channel);
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CLIGetHexWithReturn(5, data, &datalen);
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CLIParserFree();
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if (datalen != 2) {
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PrintAndLogEx(ERR, "Command needs to have 2 bytes of data");
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return 1;
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}
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SetAPDULogging(APDULogging);
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// exec
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uint8_t buf[APDU_RES_LEN] = {0};
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size_t len = 0;
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uint16_t sw = 0;
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int res = EMVReadRecord(channel, leaveSignalON, data[0], data[1], buf, sizeof(buf), &len, &sw, NULL);
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if (sw)
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PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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if (res)
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return res;
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if (decodeTLV)
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TLVPrintFromBuffer(buf, len);
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return 0;
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}
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int CmdEMVAC(const char *cmd) {
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uint8_t data[APDU_RES_LEN] = {0};
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int datalen = 0;
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CLIParserInit("emv genac",
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"Generate Application Cryptogram command. It returns data in TLV format .\nNeeds a EMV applet to be selected and GPO to be executed.",
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"Usage:\n\temv genac -k 0102 -> generate AC with 2-byte CDOLdata and keep field ON after command\n"
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"\temv genac -t 01020304 -> generate AC with 4-byte CDOL data, show result in TLV\n"
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"\temv genac -Daac 01020304 -> generate AC with 4-byte CDOL data and terminal decision 'declined'\n"
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"\temv genac -pmt 9F 37 04 -> load params from file, make CDOL data from CDOL, generate AC with CDOL, show result in TLV");
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void* argtable[] = {
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arg_param_begin,
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arg_lit0("kK", "keep", "keep field ON for next command"),
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arg_lit0("cC", "cda", "executes CDA transaction. Needs to get SDAD in results."),
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arg_str0("dD", "decision", "<aac|tc|arqc>", "Terminal decision. aac - declined, tc - approved, arqc - online authorisation requested"),
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arg_lit0("pP", "params", "load parameters from `emv/defparams.json` file for CDOLdata making from CDOL and parameters"),
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arg_lit0("mM", "make", "make CDOLdata from CDOL (tag 8C and 8D) and parameters (by default uses default parameters)"),
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arg_lit0("aA", "apdu", "show APDU reqests and responses"),
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arg_lit0("tT", "tlv", "TLV decode results of selected applets"),
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arg_lit0("wW", "wired", "Send data via contact (iso7816) interface. Contactless interface set by default."),
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arg_strx1(NULL, NULL, "<HEX CDOLdata/CDOL>", NULL),
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arg_param_end
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};
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CLIExecWithReturn(cmd, argtable, false);
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bool leaveSignalON = arg_get_lit(1);
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bool trTypeCDA = arg_get_lit(2);
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uint8_t termDecision = 0xff;
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if (arg_get_str_len(3)) {
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if (!strncmp(arg_get_str(3)->sval[0], "aac", 4))
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termDecision = EMVAC_AAC;
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if (!strncmp(arg_get_str(3)->sval[0], "tc", 4))
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termDecision = EMVAC_TC;
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if (!strncmp(arg_get_str(3)->sval[0], "arqc", 4))
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termDecision = EMVAC_ARQC;
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if (termDecision == 0xff) {
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PrintAndLog("ERROR: can't find terminal decision '%s'", arg_get_str(3)->sval[0]);
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return 1;
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}
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} else {
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termDecision = EMVAC_TC;
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}
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if (trTypeCDA)
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termDecision = termDecision | EMVAC_CDAREQ;
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bool paramsLoadFromFile = arg_get_lit(4);
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bool dataMakeFromCDOL = arg_get_lit(5);
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bool APDULogging = arg_get_lit(6);
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bool decodeTLV = arg_get_lit(7);
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EMVCommandChannel channel = ECC_CONTACTLESS;
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if (arg_get_lit(8))
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channel = ECC_CONTACT;
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PrintChannel(channel);
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|
CLIGetHexWithReturn(9, 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 tlvdb *tmp_ext = NULL;
|
|
struct tlv data_tlv = {
|
|
.tag = 0x01,
|
|
.len = datalen,
|
|
.value = (uint8_t *)data,
|
|
};
|
|
|
|
if (dataMakeFromCDOL) {
|
|
ParamLoadDefaults(tlvRoot);
|
|
|
|
if (paramsLoadFromFile) {
|
|
PrintAndLogEx(INFO, "Params loading from file...");
|
|
ParamLoadFromJson(tlvRoot);
|
|
};
|
|
|
|
tmp_ext = tlvdb_external(0x8c, datalen, data);
|
|
cdol_data_tlv = dol_process((const struct tlv *)tmp_ext, tlvRoot, 0x01); // 0x01 - dummy tag
|
|
if (!cdol_data_tlv){
|
|
PrintAndLogEx(ERR, "Can't create CDOL TLV.");
|
|
tlvdb_free(tmp_ext);
|
|
tlvdb_free(tlvRoot);
|
|
return 4;
|
|
}
|
|
} else {
|
|
if (paramsLoadFromFile) {
|
|
PrintAndLogEx(WARNING, "Don't need to load parameters. Sending plain CDOL data...");
|
|
}
|
|
cdol_data_tlv = &data_tlv;
|
|
}
|
|
|
|
PrintAndLogEx(INFO, "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(channel, 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(tmp_ext);
|
|
tlvdb_free(tlvRoot);
|
|
|
|
if (sw)
|
|
PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
|
|
|
|
if (res)
|
|
return res;
|
|
|
|
if (decodeTLV)
|
|
TLVPrintFromBuffer(buf, len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int CmdEMVGenerateChallenge(const char *cmd) {
|
|
|
|
CLIParserInit("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\temv challenge -> get challenge\n\temv 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_lit0("wW", "wired", "Send data via contact (iso7816) interface. Contactless interface set by default."),
|
|
arg_param_end
|
|
};
|
|
CLIExecWithReturn(cmd, argtable, true);
|
|
|
|
bool leaveSignalON = arg_get_lit(1);
|
|
bool APDULogging = arg_get_lit(2);
|
|
EMVCommandChannel channel = ECC_CONTACTLESS;
|
|
if (arg_get_lit(3))
|
|
channel = ECC_CONTACT;
|
|
PrintChannel(channel);
|
|
CLIParserFree();
|
|
|
|
SetAPDULogging(APDULogging);
|
|
|
|
// exec
|
|
uint8_t buf[APDU_RES_LEN] = {0};
|
|
size_t len = 0;
|
|
uint16_t sw = 0;
|
|
int res = EMVGenerateChallenge(channel, leaveSignalON, buf, sizeof(buf), &len, &sw, NULL);
|
|
|
|
if (sw)
|
|
PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
|
|
|
|
if (res)
|
|
return res;
|
|
|
|
PrintAndLogEx(SUCCESS, "Challenge: %s", sprint_hex(buf, len));
|
|
|
|
if (len != 4 && len != 8)
|
|
PrintAndLogEx(WARNING, "Length of challenge must be 4 or 8, but it %d", len);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int CmdEMVInternalAuthenticate(const char *cmd) {
|
|
uint8_t data[APDU_RES_LEN] = {0};
|
|
int datalen = 0;
|
|
|
|
CLIParserInit("emv intauth",
|
|
"Generate Internal Authenticate command. Usually needs 4-byte random number. It returns data in TLV format .\n"
|
|
"Needs a EMV applet to be selected and GPO to be executed.",
|
|
|
|
"Usage:\n"
|
|
"\temv intauth -k 01020304 -> execute Internal Authenticate with 4-byte DDOLdata and keep field ON after command\n"
|
|
"\temv intauth -t 01020304 -> execute Internal Authenticate with 4-byte DDOL data, show result in TLV\n"
|
|
"\temv 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_lit0("wW", "wired", "Send data via contact (iso7816) interface. Contactless interface set by default."),
|
|
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);
|
|
EMVCommandChannel channel = ECC_CONTACTLESS;
|
|
if (arg_get_lit(6))
|
|
channel = ECC_CONTACT;
|
|
PrintChannel(channel);
|
|
CLIGetHexWithReturn(7, 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 tlvdb *tmp_ext = NULL;
|
|
struct tlv data_tlv = {
|
|
.tag = 0x01,
|
|
.len = datalen,
|
|
.value = (uint8_t *)data,
|
|
};
|
|
|
|
if (dataMakeFromDDOL) {
|
|
ParamLoadDefaults(tlvRoot);
|
|
|
|
if (paramsLoadFromFile) {
|
|
PrintAndLogEx(INFO, "Params loading from file...");
|
|
ParamLoadFromJson(tlvRoot);
|
|
};
|
|
|
|
tmp_ext = tlvdb_external(0x9f49, datalen, data);
|
|
ddol_data_tlv = dol_process((const struct tlv *)tmp_ext, tlvRoot, 0x01); // 0x01 - dummy tag
|
|
if (!ddol_data_tlv){
|
|
PrintAndLogEx(ERR, "Can't create DDOL TLV.");
|
|
tlvdb_free(tmp_ext);
|
|
tlvdb_free(tlvRoot);
|
|
return 4;
|
|
}
|
|
} else {
|
|
if (paramsLoadFromFile) {
|
|
PrintAndLogEx(WARNING, "Don't need to load parameters. Sending plain DDOL data...");
|
|
}
|
|
ddol_data_tlv = &data_tlv;
|
|
}
|
|
|
|
PrintAndLogEx(INFO, "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(channel, leaveSignalON, data, datalen, buf, sizeof(buf), &len, &sw, NULL);
|
|
|
|
if (ddol_data_tlv != &data_tlv)
|
|
free(ddol_data_tlv);
|
|
|
|
tlvdb_free(tmp_ext);
|
|
tlvdb_free(tlvRoot);
|
|
|
|
if (sw)
|
|
PrintAndLogEx(INFO, "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); DropFieldEx( channel ); 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) {
|
|
PrintAndLogEx(ERR, "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){
|
|
PrintAndLogEx(INFO, "\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);
|
|
}
|
|
}
|
|
|
|
void ProcessACResponseFormat1(struct tlvdb *tlvRoot, uint8_t *buf, size_t len, bool decodeTLV) {
|
|
if (buf[0] == 0x80) {
|
|
if (decodeTLV){
|
|
PrintAndLog("GPO response format1:");
|
|
TLVPrintFromBuffer(buf, len);
|
|
}
|
|
|
|
uint8_t elmlen = len - 2; // wo 0x80XX
|
|
|
|
if (len < 4 + 2 || (elmlen - 2) % 4 || elmlen != buf[1]) {
|
|
PrintAndLogEx(ERR, "GPO response format1 parsing error. length=%d", len);
|
|
} else {
|
|
struct tlvdb *tlvElm = NULL;
|
|
if (decodeTLV)
|
|
PrintAndLog("\n------------ Format1 decoded ------------");
|
|
|
|
// CID (Cryptogram Information Data)
|
|
tlvdb_change_or_add_node_ex(tlvRoot, 0x9f27, 1, &buf[2], &tlvElm);
|
|
if (decodeTLV)
|
|
TLVPrintFromTLV(tlvElm);
|
|
|
|
// ATC (Application Transaction Counter)
|
|
tlvdb_change_or_add_node_ex(tlvRoot, 0x9f36, 2, &buf[3], &tlvElm);
|
|
if (decodeTLV)
|
|
TLVPrintFromTLV(tlvElm);
|
|
|
|
// AC (Application Cryptogram)
|
|
tlvdb_change_or_add_node_ex(tlvRoot, 0x9f26, MIN(8, elmlen - 3), &buf[5], &tlvElm);
|
|
if (decodeTLV)
|
|
TLVPrintFromTLV(tlvElm);
|
|
|
|
// IAD (Issuer Application Data) - optional
|
|
if (len > 11 + 2) {
|
|
tlvdb_change_or_add_node_ex(tlvRoot, 0x9f10, elmlen - 11, &buf[13], &tlvElm);
|
|
if (decodeTLV)
|
|
TLVPrintFromTLV(tlvElm);
|
|
}
|
|
}
|
|
} else {
|
|
if (decodeTLV)
|
|
TLVPrintFromBuffer(buf, len);
|
|
}
|
|
}
|
|
|
|
int CmdEMVExec(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;
|
|
|
|
struct tlvdb *tlvSelect = NULL;
|
|
struct tlvdb *tlvRoot = NULL;
|
|
struct tlv *pdol_data_tlv = NULL;
|
|
|
|
CLIParserInit("emv exec",
|
|
"Executes EMV contactless transaction",
|
|
"Usage:\n"
|
|
"\temv exec -sat -> select card, execute MSD transaction, show APDU and TLV\n"
|
|
"\temv 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_lit0("wW", "wired", "Send data via contact (iso7816) interface. Contactless interface set by default."),
|
|
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(7))
|
|
TrType = TT_QVSDCMCHIP;
|
|
if (arg_get_lit(8))
|
|
TrType = TT_CDA;
|
|
if (arg_get_lit(9))
|
|
TrType = TT_VSDC;
|
|
|
|
bool GenACGPO = arg_get_lit(10);
|
|
EMVCommandChannel channel = ECC_CONTACTLESS;
|
|
if (arg_get_lit(11))
|
|
channel = ECC_CONTACT;
|
|
PrintChannel(channel);
|
|
uint8_t psenum = (channel == ECC_CONTACT) ? 1 : 2;
|
|
CLIParserFree();
|
|
|
|
#ifndef WITH_SMARTCARD
|
|
// not compiled with smartcard functionality, we need to exit
|
|
if ( channel == ECC_CONTACT ) {
|
|
PrintAndLogEx(WARNING, "PM3 Client is not compiled with support for SMARTCARD. Exiting.");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
SetAPDULogging(showAPDU);
|
|
|
|
// init applets list tree
|
|
const char *al = "Applets list";
|
|
tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
|
|
|
|
// Application Selection
|
|
// https://www.openscdp.org/scripts/tutorial/emv/applicationselection.html
|
|
if (!forceSearch) {
|
|
// PPSE
|
|
PrintAndLogEx(NORMAL, "\n* PPSE.");
|
|
SetAPDULogging(showAPDU);
|
|
res = EMVSearchPSE(channel, activateField, true, psenum, decodeTLV, tlvSelect);
|
|
|
|
// check PPSE and select application id
|
|
if (!res) {
|
|
TLVPrintAIDlistFromSelectTLV(tlvSelect);
|
|
EMVSelectApplication(tlvSelect, AID, &AIDlen);
|
|
}
|
|
}
|
|
|
|
// Search
|
|
if (!AIDlen) {
|
|
PrintAndLogEx(NORMAL, "\n* Search AID in list.");
|
|
SetAPDULogging(false);
|
|
if (EMVSearch(channel, activateField, true, decodeTLV, tlvSelect)) {
|
|
dreturn(2);
|
|
}
|
|
|
|
// check search and select application id
|
|
TLVPrintAIDlistFromSelectTLV(tlvSelect);
|
|
EMVSelectApplication(tlvSelect, AID, &AIDlen);
|
|
}
|
|
|
|
// Init TLV tree
|
|
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) {
|
|
PrintAndLogEx(WARNING, "Can't select AID. EMV AID not found");
|
|
dreturn(2);
|
|
}
|
|
|
|
// Select
|
|
PrintAndLogEx(NORMAL, "\n* Selecting AID:%s", sprint_hex_inrow(AID, AIDlen));
|
|
SetAPDULogging(showAPDU);
|
|
res = EMVSelect(channel, false, true, AID, AIDlen, buf, sizeof(buf), &len, &sw, tlvRoot);
|
|
|
|
if (res) {
|
|
PrintAndLogEx(WARNING, "Can't select AID (%d). Exit...", res);
|
|
dreturn(3);
|
|
}
|
|
|
|
if (decodeTLV)
|
|
TLVPrintFromBuffer(buf, len);
|
|
PrintAndLog("* Selected.");
|
|
|
|
PrintAndLog("\n* Init transaction parameters.");
|
|
InitTransactionParameters(tlvRoot, paramLoadJSON, TrType, GenACGPO);
|
|
TLVPrintFromTLV(tlvRoot); // TODO delete!!!
|
|
|
|
PrintAndLogEx(NORMAL, "\n* Calc PDOL.");
|
|
pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83);
|
|
if (!pdol_data_tlv){
|
|
PrintAndLogEx(WARNING, "Error: can't create PDOL TLV.");
|
|
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) {
|
|
PrintAndLogEx(WARNING, "Error: can't create PDOL data.");
|
|
dreturn(4);
|
|
}
|
|
PrintAndLogEx(NORMAL, "PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
|
|
|
|
PrintAndLogEx(NORMAL, "\n* GPO.");
|
|
res = EMVGPO(channel, 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 on exit.
|
|
|
|
if (res) {
|
|
PrintAndLogEx(NORMAL, "GPO error(%d): %4x. Exit...", res, sw);
|
|
dreturn(5);
|
|
}
|
|
|
|
// process response template format 1 [id:80 2b AIP + x4b AFL] and format 2 [id:77 TLV]
|
|
ProcessGPOResponseFormat1(tlvRoot, buf, len, decodeTLV);
|
|
|
|
// extract PAN from track2
|
|
{
|
|
const struct tlv *track2 = tlvdb_get(tlvRoot, 0x57, NULL);
|
|
if (!tlvdb_get(tlvRoot, 0x5a, NULL) && track2 && track2->len >= 8) {
|
|
struct tlvdb *pan = GetPANFromTrack2(track2);
|
|
if (pan) {
|
|
tlvdb_add(tlvRoot, pan);
|
|
|
|
const struct tlv *pantlv = tlvdb_get(tlvRoot, 0x5a, NULL);
|
|
PrintAndLogEx(NORMAL, "\n* * Extracted PAN from track2: %s", sprint_hex(pantlv->value, pantlv->len));
|
|
} else {
|
|
PrintAndLogEx(NORMAL, "\n* * WARNING: Can't extract PAN from track2.");
|
|
}
|
|
}
|
|
}
|
|
|
|
PrintAndLogEx(NORMAL, "\n* Read records from AFL.");
|
|
const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL);
|
|
|
|
if (!AFL || !AFL->len)
|
|
PrintAndLogEx(NORMAL, "WARNING: AFL not found.");
|
|
|
|
while (AFL && AFL->len) {
|
|
if (AFL->len % 4) {
|
|
PrintAndLogEx(WARNING, "Error: Wrong AFL length: %d", AFL->len);
|
|
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];
|
|
|
|
PrintAndLogEx(NORMAL, "* * SFI[%02x] start:%02x end:%02x offline count:%02x", SFI, SFIstart, SFIend, SFIoffline);
|
|
if (SFI == 0 || SFI == 31 || SFIstart == 0 || SFIstart > SFIend) {
|
|
PrintAndLogEx(NORMAL, "SFI ERROR! Skipped...");
|
|
continue;
|
|
}
|
|
|
|
for (int n = SFIstart; n <= SFIend; n++) {
|
|
PrintAndLogEx(NORMAL, "* * * SFI[%02x] %d", SFI, n);
|
|
|
|
res = EMVReadRecord(channel, true, SFI, n, buf, sizeof(buf), &len, &sw, tlvRoot);
|
|
if (res) {
|
|
PrintAndLogEx(WARNING, "Error SFI[%02x]. APDU error %4x", SFI, sw);
|
|
continue;
|
|
}
|
|
|
|
if (decodeTLV) {
|
|
TLVPrintFromBuffer(buf, len);
|
|
PrintAndLogEx(NORMAL, "");
|
|
}
|
|
|
|
// Build Input list for Offline Data Authentication
|
|
// EMV 4.3 book3 10.3, page 96
|
|
if (SFIoffline > 0) {
|
|
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 {
|
|
PrintAndLogEx(WARNING, "Error SFI[%02x]. Creating input list for Offline Data Authentication error.", SFI);
|
|
}
|
|
} else {
|
|
memcpy(&ODAiList[ODAiListLen], buf, len);
|
|
ODAiListLen += len;
|
|
}
|
|
|
|
SFIoffline--;
|
|
}
|
|
}
|
|
}
|
|
|
|
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);
|
|
PrintAndLogEx(NORMAL, "* Input list for Offline Data Authentication added to TLV. len=%d \n", ODAiListLen);
|
|
}
|
|
|
|
// get AIP
|
|
uint16_t AIP = 0;
|
|
const struct tlv *AIPtlv = tlvdb_get(tlvRoot, 0x82, NULL);
|
|
if (AIPtlv) {
|
|
AIP = AIPtlv->value[0] + AIPtlv->value[1] * 0x100;
|
|
PrintAndLogEx(NORMAL, "* * AIP=%04x", AIP);
|
|
} else {
|
|
PrintAndLogEx(ERR, "Can't found AIP.");
|
|
}
|
|
|
|
// SDA
|
|
if (AIP & 0x0040) {
|
|
PrintAndLogEx(NORMAL, "\n* SDA");
|
|
trSDA(tlvRoot);
|
|
}
|
|
|
|
// DDA
|
|
if (AIP & 0x0020) {
|
|
PrintAndLogEx(NORMAL, "\n* DDA");
|
|
trDDA(channel, 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) {
|
|
PrintAndLogEx(NORMAL, "\n--> qVSDC transaction.");
|
|
PrintAndLogEx(NORMAL, "* AC path");
|
|
|
|
// 9F36: Application Transaction Counter (ATC)
|
|
const struct tlv *ATC = tlvdb_get(tlvRoot, 0x9F36, NULL);
|
|
if (ATC) {
|
|
|
|
// 9F10: Issuer Application Data - optional
|
|
const struct tlv *IAD = tlvdb_get(tlvRoot, 0x9F10, NULL);
|
|
|
|
// print AC data
|
|
PrintAndLogEx(NORMAL, "ATC: %s", sprint_hex(ATC->value, ATC->len));
|
|
PrintAndLogEx(NORMAL, "AC: %s", sprint_hex(AC->value, AC->len));
|
|
if (IAD) {
|
|
PrintAndLogEx(NORMAL, "IAD: %s", sprint_hex(IAD->value, IAD->len));
|
|
|
|
if (IAD->len >= IAD->value[0] + 1) {
|
|
PrintAndLogEx(NORMAL, "\tKey index: 0x%02x", IAD->value[1]);
|
|
PrintAndLogEx(NORMAL, "\tCrypto ver: 0x%02x(%03d)", IAD->value[2], IAD->value[2]);
|
|
PrintAndLogEx(NORMAL, "\tCVR:", sprint_hex(&IAD->value[3], IAD->value[0] - 2));
|
|
struct tlvdb * cvr = tlvdb_fixed(0x20, IAD->value[0] - 2, &IAD->value[3]);
|
|
TLVPrintFromTLVLev(cvr, 1);
|
|
}
|
|
} else {
|
|
PrintAndLogEx(NORMAL, "WARNING: IAD not found.");
|
|
}
|
|
|
|
} else {
|
|
PrintAndLogEx(WARNING, "Error AC: Application Transaction Counter (ATC) not found.");
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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
|
|
PrintAndLogEx(NORMAL, "\n--> Mastercard M/Chip transaction.");
|
|
|
|
PrintAndLogEx(NORMAL, "* * Generate challenge");
|
|
res = EMVGenerateChallenge(channel, true, buf, sizeof(buf), &len, &sw, tlvRoot);
|
|
if (res) {
|
|
PrintAndLogEx(WARNING, "Error GetChallenge. APDU error %4x", sw);
|
|
dreturn(6);
|
|
}
|
|
if (len < 4) {
|
|
PrintAndLogEx(WARNING, "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) {
|
|
PrintAndLogEx(NORMAL, "\n* * ICC Dynamic Number:");
|
|
TLVPrintFromTLV(ICCDynN);
|
|
}
|
|
|
|
PrintAndLogEx(NORMAL, "* * Calc CDOL1");
|
|
struct tlv *cdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x8c, NULL), tlvRoot, 0x01); // 0x01 - dummy tag
|
|
if (!cdol_data_tlv) {
|
|
PrintAndLogEx(WARNING, "Error: can't create CDOL1 TLV.");
|
|
dreturn(6);
|
|
}
|
|
|
|
PrintAndLogEx(NORMAL, "CDOL1 data[%d]: %s", cdol_data_tlv->len, sprint_hex(cdol_data_tlv->value, cdol_data_tlv->len));
|
|
|
|
PrintAndLogEx(NORMAL, "* * AC1");
|
|
// EMVAC_TC + EMVAC_CDAREQ --- to get SDAD
|
|
res = EMVAC(channel, 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) {
|
|
PrintAndLogEx(NORMAL, "AC1 error(%d): %4x. Exit...", res, sw);
|
|
dreturn(7);
|
|
}
|
|
|
|
if (decodeTLV)
|
|
TLVPrintFromBuffer(buf, len);
|
|
|
|
// CDA
|
|
PrintAndLogEx(NORMAL, "\n* CDA:");
|
|
struct tlvdb *ac_tlv = tlvdb_parse_multi(buf, len);
|
|
res = trCDA(tlvRoot, ac_tlv, pdol_data_tlv, cdol_data_tlv);
|
|
if (res) {
|
|
PrintAndLogEx(NORMAL, "CDA error (%d)", res);
|
|
}
|
|
|
|
free(ac_tlv);
|
|
free(cdol_data_tlv);
|
|
|
|
PrintAndLogEx(NORMAL, "\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);
|
|
PrintAndLogEx(NORMAL, "------------------------------");
|
|
if (CID->len > 0) {
|
|
switch(CID->value[0] & EMVAC_AC_MASK){
|
|
case EMVAC_AAC:
|
|
PrintAndLogEx(NORMAL, "Transaction DECLINED.");
|
|
break;
|
|
case EMVAC_TC:
|
|
PrintAndLogEx(NORMAL, "Transaction approved OFFLINE.");
|
|
break;
|
|
case EMVAC_ARQC:
|
|
PrintAndLogEx(NORMAL, "Transaction approved ONLINE.");
|
|
break;
|
|
default:
|
|
PrintAndLogEx(WARNING, "Error: CID transaction code error %2x", CID->value[0] & EMVAC_AC_MASK);
|
|
break;
|
|
}
|
|
} else {
|
|
PrintAndLogEx(WARNING, "Error: Wrong CID length %d", CID->len);
|
|
}
|
|
} else {
|
|
PrintAndLogEx(WARNING, "Error: CID(9F27) not found.");
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
// MSD
|
|
if (AIP & 0x8000 && TrType == TT_MSD) {
|
|
PrintAndLogEx(NORMAL, "\n--> MSD transaction.");
|
|
|
|
PrintAndLogEx(NORMAL, "* MSD dCVV path. Check dCVV");
|
|
|
|
const struct tlv *track2 = tlvdb_get(tlvRoot, 0x57, NULL);
|
|
if (track2) {
|
|
PrintAndLogEx(NORMAL, "Track2: %s", sprint_hex(track2->value, track2->len));
|
|
|
|
struct tlvdb *dCVV = GetdCVVRawFromTrack2(track2);
|
|
PrintAndLogEx(NORMAL, "dCVV raw data:");
|
|
TLVPrintFromTLV(dCVV);
|
|
|
|
if (GetCardPSVendor(AID, AIDlen) == CV_MASTERCARD) {
|
|
PrintAndLogEx(NORMAL, "\n* Mastercard calculate UDOL");
|
|
|
|
// UDOL (9F69)
|
|
const struct tlv *UDOL = tlvdb_get(tlvRoot, 0x9F69, NULL);
|
|
// UDOL(9F69) default: 9F6A (Unpredictable number) 4 bytes
|
|
const struct tlv defUDOL = {
|
|
.tag = 0x01,
|
|
.len = 3,
|
|
.value = (uint8_t *)"\x9f\x6a\x04",
|
|
};
|
|
if (!UDOL)
|
|
PrintAndLogEx(NORMAL, "Use default UDOL.");
|
|
|
|
struct tlv *udol_data_tlv = dol_process(UDOL ? UDOL : &defUDOL, tlvRoot, 0x01); // 0x01 - dummy tag
|
|
if (!udol_data_tlv) {
|
|
PrintAndLogEx(WARNING, "Error: can't create UDOL TLV.");
|
|
dreturn(8);
|
|
}
|
|
|
|
PrintAndLogEx(NORMAL, "UDOL data[%d]: %s", udol_data_tlv->len, sprint_hex(udol_data_tlv->value, udol_data_tlv->len));
|
|
|
|
PrintAndLogEx(NORMAL, "\n* Mastercard compute cryptographic checksum(UDOL)");
|
|
|
|
res = MSCComputeCryptoChecksum(channel, true, (uint8_t *)udol_data_tlv->value, udol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
|
|
if (res) {
|
|
PrintAndLogEx(WARNING, "Error Compute Crypto Checksum. APDU error %4x", sw);
|
|
free(udol_data_tlv);
|
|
dreturn(9);
|
|
}
|
|
|
|
// Mastercard compute cryptographic checksum result
|
|
TLVPrintFromBuffer(buf, len);
|
|
PrintAndLogEx(NORMAL, "");
|
|
|
|
free(udol_data_tlv);
|
|
|
|
}
|
|
} else {
|
|
PrintAndLogEx(WARNING, "Error MSD: Track2 data not found.");
|
|
}
|
|
}
|
|
|
|
// VSDC
|
|
if (GetCardPSVendor(AID, AIDlen) == CV_VISA && (TrType == TT_VSDC || TrType == TT_CDA)){
|
|
PrintAndLogEx(NORMAL, "\n--> VSDC transaction.");
|
|
|
|
PrintAndLogEx(NORMAL, "* * Calc CDOL1");
|
|
struct tlv *cdol1_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x8c, NULL), tlvRoot, 0x01); // 0x01 - dummy tag
|
|
if (!cdol1_data_tlv) {
|
|
PrintAndLogEx(WARNING, "Error: can't create CDOL1 TLV.");
|
|
dreturn(6);
|
|
}
|
|
|
|
PrintAndLogEx(NORMAL, "CDOL1 data[%d]: %s", cdol1_data_tlv->len, sprint_hex(cdol1_data_tlv->value, cdol1_data_tlv->len));
|
|
|
|
PrintAndLogEx(NORMAL, "* * AC1");
|
|
// EMVAC_TC + EMVAC_CDAREQ --- to get SDAD
|
|
res = EMVAC(channel, true, (TrType == TT_CDA) ? EMVAC_TC + EMVAC_CDAREQ : EMVAC_TC, (uint8_t *)cdol1_data_tlv->value, cdol1_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
|
|
|
|
if (res) {
|
|
PrintAndLogEx(NORMAL, "AC1 error(%d): %4x. Exit...", res, sw);
|
|
free(cdol1_data_tlv);
|
|
dreturn(7);
|
|
}
|
|
|
|
// process Format1 (0x80) and print Format2 (0x77)
|
|
ProcessACResponseFormat1(tlvRoot, buf, len, decodeTLV);
|
|
|
|
uint8_t CID = 0;
|
|
tlvdb_get_uint8(tlvRoot, 0x9f27, &CID);
|
|
|
|
// AC1 print result
|
|
PrintAndLog("");
|
|
if ((CID & EMVAC_AC_MASK) == EMVAC_AAC) PrintAndLogEx(INFO, "AC1 result: AAC (Transaction declined)");
|
|
if ((CID & EMVAC_AC_MASK) == EMVAC_TC) PrintAndLogEx(INFO, "AC1 result: TC (Transaction approved)");
|
|
if ((CID & EMVAC_AC_MASK) == EMVAC_ARQC) PrintAndLogEx(INFO, "AC1 result: ARQC (Online authorisation requested)");
|
|
if ((CID & EMVAC_AC_MASK) == EMVAC_AC_MASK) PrintAndLogEx(INFO, "AC1 result: RFU");
|
|
|
|
// decode Issuer Application Data (IAD)
|
|
uint8_t CryptoVersion = 0;
|
|
const struct tlv *IAD = tlvdb_get(tlvRoot, 0x9f10, NULL);
|
|
if (IAD && (IAD->len > 1)) {
|
|
PrintAndLogEx(NORMAL, "\n* * Issuer Application Data (IAD):");
|
|
uint8_t VDDlen = IAD->value[0]; // Visa discretionary data length
|
|
uint8_t IDDlen = 0; // Issuer discretionary data length
|
|
PrintAndLogEx(NORMAL, "IAD length: %d", IAD->len);
|
|
PrintAndLogEx(NORMAL, "VDDlen: %d", VDDlen);
|
|
if (VDDlen < IAD->len - 1)
|
|
IDDlen = IAD->value[VDDlen + 1];
|
|
PrintAndLogEx(NORMAL, "IDDlen: %d", IDDlen);
|
|
|
|
uint8_t DerivKeyIndex = IAD->value[1];
|
|
CryptoVersion = IAD->value[2];
|
|
|
|
PrintAndLogEx(NORMAL, "CryptoVersion: %d", CryptoVersion);
|
|
PrintAndLogEx(NORMAL, "DerivKeyIndex: %d", DerivKeyIndex);
|
|
|
|
// Card Verification Results (CVR) decode
|
|
if ((VDDlen - 2) > 0) {
|
|
uint8_t CVRlen = IAD->value[3];
|
|
if (CVRlen == (VDDlen - 2 - 1)) {
|
|
PrintAndLogEx(NORMAL, "CVR length: %d", CVRlen);
|
|
PrintAndLogEx(NORMAL, "CVR: %s", sprint_hex(&IAD->value[4], CVRlen));
|
|
} else {
|
|
PrintAndLogEx(NORMAL, "Wrong CVR length! CVR: %s", sprint_hex(&IAD->value[3], VDDlen - 2));
|
|
}
|
|
}
|
|
if (IDDlen)
|
|
PrintAndLogEx(NORMAL, "IDD: %s", sprint_hex(&IAD->value[VDDlen + 1], IDDlen));
|
|
} else {
|
|
PrintAndLogEx(NORMAL, "Issuer Application Data (IAD) not found.");
|
|
}
|
|
|
|
PrintAndLogEx(NORMAL, "\n* * Processing online request");
|
|
|
|
// authorization response code from acquirer
|
|
const char HostResponse[] = "00"; // 0x3030
|
|
size_t HostResponseLen = sizeof(HostResponse) - 1;
|
|
PrintAndLogEx(NORMAL, "Host Response: `%s`", HostResponse);
|
|
tlvdb_change_or_add_node(tlvRoot, 0x8a, HostResponseLen, (const unsigned char *)HostResponse);
|
|
|
|
if (CryptoVersion == 10) {
|
|
PrintAndLogEx(NORMAL, "\n* * Generate ARPC");
|
|
|
|
// Application Cryptogram (AC)
|
|
const struct tlv *AC = tlvdb_get(tlvRoot, 0x9f26, NULL);
|
|
if (AC && (AC->len > 0)) {
|
|
PrintAndLogEx(NORMAL, "AC: %s", sprint_hex(AC->value, AC->len));
|
|
|
|
size_t rawARPClen = AC->len;
|
|
uint8_t rawARPC[rawARPClen];
|
|
memcpy(rawARPC, AC->value, AC->len);
|
|
for (int i = 0; (i < HostResponseLen) && (i < rawARPClen); i++)
|
|
rawARPC[i] ^= HostResponse[i];
|
|
PrintAndLogEx(NORMAL, "raw ARPC: %s", sprint_hex(rawARPC, rawARPClen));
|
|
|
|
// here must be calculation of ARPC, but we dont know a bank keys.
|
|
PrintAndLogEx(NORMAL, "ARPC: n/a");
|
|
|
|
} else {
|
|
PrintAndLogEx(NORMAL, "Application Cryptogram (AC) not found.");
|
|
}
|
|
|
|
// here must be external authenticate, but we dont know ARPC
|
|
|
|
}
|
|
|
|
|
|
// needs to send AC2 command (res == ARQC)
|
|
if ((CID & EMVAC_AC_MASK) == EMVAC_ARQC) {
|
|
PrintAndLogEx(NORMAL, "\n* * Calc CDOL2");
|
|
struct tlv *cdol2_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x8d, NULL), tlvRoot, 0x01); // 0x01 - dummy tag
|
|
if (!cdol2_data_tlv) {
|
|
PrintAndLogEx(WARNING, "Error: can't create CDOL2 TLV.");
|
|
dreturn(6);
|
|
}
|
|
|
|
PrintAndLogEx(NORMAL, "CDOL2 data[%d]: %s", cdol2_data_tlv->len, sprint_hex(cdol2_data_tlv->value, cdol2_data_tlv->len));
|
|
|
|
//PrintAndLogEx(NORMAL, "* * AC2");
|
|
|
|
|
|
// here must be AC2, but we dont make external authenticate (
|
|
|
|
/* // AC2
|
|
PRINT_INDENT(level);
|
|
if ((CID & EMVAC_AC2_MASK) == EMVAC_AAC2) fprintf(f, "\tAC2: AAC (Transaction declined)\n");
|
|
if ((CID & EMVAC_AC2_MASK) == EMVAC_TC2) fprintf(f, "\tAC2: TC (Transaction approved)\n");
|
|
if ((CID & EMVAC_AC2_MASK) == EMVAC_ARQC2) fprintf(f, "\tAC2: not requested (ARQC)\n");
|
|
if ((CID & EMVAC_AC2_MASK) == EMVAC_AC2_MASK) fprintf(f, "\tAC2: RFU\n");
|
|
*/
|
|
}
|
|
|
|
}
|
|
|
|
DropFieldEx( channel );
|
|
|
|
// Destroy TLV's
|
|
free(pdol_data_tlv);
|
|
tlvdb_free(tlvSelect);
|
|
tlvdb_free(tlvRoot);
|
|
|
|
PrintAndLogEx(NORMAL, "\n* Transaction completed.");
|
|
return 0;
|
|
}
|
|
|
|
int CmdEMVScan(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("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\temv scan -at -> scan MSD transaction mode and show APDU and TLV\n"
|
|
"\temv 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_lit0("wW", "wired", "Send data via contact (iso7816) interface. Contactless interface set by default."),
|
|
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);
|
|
EMVCommandChannel channel = ECC_CONTACTLESS;
|
|
if (arg_get_lit(11))
|
|
channel = ECC_CONTACT;
|
|
PrintChannel(channel);
|
|
uint8_t psenum = (channel == ECC_CONTACT) ? 1 : 2;
|
|
uint8_t relfname[250] ={0};
|
|
char *crelfname = (char *)relfname;
|
|
int relfnamelen = 0;
|
|
CLIGetStrWithReturn(12, relfname, &relfnamelen);
|
|
CLIParserFree();
|
|
|
|
#ifndef WITH_SMARTCARD
|
|
// not compiled with smartcard functionality, we need to exit
|
|
if ( channel == ECC_CONTACT ) {
|
|
PrintAndLogEx(WARNING, "PM3 Client is not compiled with support for SMARTCARD. Exiting.");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
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) {
|
|
PrintAndLogEx(ERR, "Json error on line %d: %s", error.line, error.text);
|
|
return 1;
|
|
}
|
|
|
|
if (!json_is_object(root)) {
|
|
PrintAndLogEx(ERR, "Invalid json format. root must be an object.");
|
|
return 1;
|
|
}
|
|
} else {
|
|
root = json_object();
|
|
}
|
|
|
|
// drop field at start
|
|
DropFieldEx( channel );
|
|
|
|
JsonSaveStr(root, "$.File.Created", "proxmark3 `emv scan`");
|
|
|
|
if (channel == ECC_CONTACTLESS) {
|
|
// iso 14443 select
|
|
PrintAndLogEx(NORMAL, "--> GET UID, ATS.");
|
|
|
|
iso14a_card_select_t card;
|
|
if (Hf14443_4aGetCardData(&card)) {
|
|
return 2;
|
|
}
|
|
|
|
JsonSaveStr(root, "$.Card.Contactless.Communication", "iso14443-4a");
|
|
JsonSaveBufAsHex(root, "$.Card.Contactless.UID", (uint8_t *)&card.uid, card.uidlen);
|
|
JsonSaveHex(root, "$.Card.Contactless.ATQA", card.atqa[0] + (card.atqa[1] << 2), 2);
|
|
JsonSaveHex(root, "$.Card.Contactless.SAK", card.sak, 0);
|
|
JsonSaveBufAsHex(root, "$.Card.Contactless.ATS", (uint8_t *)card.ats, card.ats_len);
|
|
} else {
|
|
PrintAndLogEx(NORMAL, "--> GET ATR.");
|
|
|
|
smart_card_atr_t card;
|
|
smart_select(true, &card);
|
|
if (!card.atr_len) {
|
|
PrintAndLogEx(ERR, "Can't get ATR from a smart card.");
|
|
return 1;
|
|
}
|
|
|
|
JsonSaveStr(root, "$.Card.Contact.Communication", "iso7816");
|
|
JsonSaveBufAsHex(root, "$.Card.Contact.ATR", (uint8_t *)card.atr, card.atr_len);
|
|
}
|
|
|
|
// init applets list tree
|
|
const char *al = "Applets list";
|
|
struct tlvdb *tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
|
|
|
|
// EMV PPSE
|
|
PrintAndLogEx(NORMAL, "--> PPSE.");
|
|
res = EMVSelectPSE(channel, 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(channel, false, true, psenum, decodeTLV, tlvSelect);
|
|
|
|
// check PPSE and select application id
|
|
if (!res) {
|
|
TLVPrintAIDlistFromSelectTLV(tlvSelect);
|
|
} else {
|
|
// EMV SEARCH with AID list
|
|
SetAPDULogging(false);
|
|
PrintAndLogEx(NORMAL, "--> AID search.");
|
|
if (EMVSearch(channel, false, true, decodeTLV, tlvSelect)) {
|
|
PrintAndLogEx(ERR, "Can't found any of EMV AID. Exit...");
|
|
tlvdb_free(tlvSelect);
|
|
DropFieldEx( channel );
|
|
return 3;
|
|
}
|
|
|
|
// check search and select application id
|
|
TLVPrintAIDlistFromSelectTLV(tlvSelect);
|
|
}
|
|
|
|
// EMV SELECT application
|
|
SetAPDULogging(showAPDU);
|
|
EMVSelectApplication(tlvSelect, AID, &AIDlen);
|
|
|
|
tlvdb_free(tlvSelect);
|
|
|
|
if (!AIDlen) {
|
|
PrintAndLogEx(INFO, "Can't select AID. EMV AID not found. Exit...");
|
|
DropFieldEx( channel );
|
|
return 4;
|
|
}
|
|
|
|
JsonSaveBufAsHex(root, "$.Application.AID", AID, AIDlen);
|
|
|
|
// Init TLV tree
|
|
const char *alr = "Root terminal TLV tree";
|
|
struct tlvdb *tlvRoot = tlvdb_fixed(1, strlen(alr), (const unsigned char *)alr);
|
|
|
|
// EMV SELECT applet
|
|
|
|
PrintAndLogEx(NORMAL, "\n-->Selecting AID:%s.", sprint_hex_inrow(AID, AIDlen));
|
|
SetAPDULogging(showAPDU);
|
|
res = EMVSelect(channel, false, true, AID, AIDlen, buf, sizeof(buf), &len, &sw, tlvRoot);
|
|
|
|
if (res) {
|
|
PrintAndLogEx(ERR, "Can't select AID (%d). Exit...", res);
|
|
tlvdb_free(tlvRoot);
|
|
DropFieldEx( channel );
|
|
return 5;
|
|
}
|
|
|
|
if (decodeTLV)
|
|
TLVPrintFromBuffer(buf, len);
|
|
|
|
// save mode
|
|
if (tlvdb_get(tlvRoot, 0x9f38, NULL)) {
|
|
JsonSaveStr(root, "$.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
|
|
PrintAndLogEx(NORMAL, "-->Init transaction parameters.");
|
|
InitTransactionParameters(tlvRoot, paramLoadJSON, TrType, GenACGPO);
|
|
|
|
PrintAndLogEx(NORMAL, "-->Calc PDOL.");
|
|
struct tlv *pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83);
|
|
if (!pdol_data_tlv){
|
|
PrintAndLogEx(ERR, "Can't create PDOL TLV.");
|
|
tlvdb_free(tlvRoot);
|
|
DropFieldEx( channel );
|
|
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) {
|
|
PrintAndLogEx(ERR, "Can't create PDOL data.");
|
|
tlvdb_free(tlvRoot);
|
|
DropFieldEx( channel );
|
|
return 6;
|
|
}
|
|
PrintAndLogEx(INFO, "PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
|
|
|
|
PrintAndLogEx(INFO, "-->GPO.");
|
|
res = EMVGPO(channel, 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) {
|
|
PrintAndLogEx(ERR, "GPO error(%d): %4x. Exit...", res, sw);
|
|
tlvdb_free(tlvRoot);
|
|
DropFieldEx( channel );
|
|
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);
|
|
|
|
PrintAndLogEx(INFO, "-->Read records from AFL.");
|
|
const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL);
|
|
|
|
while(AFL && AFL->len) {
|
|
if (AFL->len % 4) {
|
|
PrintAndLogEx(ERR, "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, "$.Application.Records");
|
|
}
|
|
if (!json_is_array(sfijson)) {
|
|
PrintAndLogEx(ERR, "Internal logic error. `$.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];
|
|
|
|
PrintAndLogEx(INFO, "--->SFI[%02x] start:%02x end:%02x offline:%02x", SFI, SFIstart, SFIend, SFIoffline);
|
|
if (SFI == 0 || SFI == 31 || SFIstart == 0 || SFIstart > SFIend) {
|
|
PrintAndLogEx(ERR, "SFI ERROR! Skipped...");
|
|
continue;
|
|
}
|
|
|
|
for(int n = SFIstart; n <= SFIend; n++) {
|
|
PrintAndLogEx(INFO, "---->SFI[%02x] %d", SFI, n);
|
|
|
|
res = EMVReadRecord(channel, true, SFI, n, buf, sizeof(buf), &len, &sw, tlvRoot);
|
|
if (res) {
|
|
PrintAndLogEx(ERR, "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)) {
|
|
PrintAndLogEx(INFO, "-->Recovering certificates.");
|
|
PKISetStrictExecution(false);
|
|
RecoveryCertificates(tlvRoot, root);
|
|
PKISetStrictExecution(true);
|
|
}
|
|
|
|
// free tlv object
|
|
tlvdb_free(tlvRoot);
|
|
|
|
DropFieldEx( channel );
|
|
|
|
res = json_dump_file(root, fname, JSON_INDENT(2));
|
|
if (res) {
|
|
PrintAndLogEx(ERR, "Can't save the file: %s", fname);
|
|
return 200;
|
|
}
|
|
PrintAndLogEx(SUCCESS, "File `%s` saved.", fname);
|
|
|
|
// free json object
|
|
json_decref(root);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int CmdEMVList(const char *Cmd) {
|
|
return CmdTraceList("7816");
|
|
}
|
|
|
|
int CmdEMVTest(const char *cmd) {
|
|
return ExecuteCryptoTests(true);
|
|
}
|
|
|
|
int CmdEMVRoca(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;
|
|
|
|
CLIParserInit("emv roca",
|
|
"Tries to extract public keys and run the ROCA test against them.\n",
|
|
"Usage:\n"
|
|
"\temv roca -w -> select --CONTACT-- card and run test\n"
|
|
"\temv roca -> select --CONTACTLESS-- card and run test\n"
|
|
);
|
|
|
|
void* argtable[] = {
|
|
arg_param_begin,
|
|
arg_lit0("tT", "selftest", "self test"),
|
|
arg_lit0("wW", "wired", "Send data via contact (iso7816) interface. Contactless interface set by default."),
|
|
arg_param_end
|
|
};
|
|
CLIExecWithReturn(cmd, argtable, true);
|
|
|
|
EMVCommandChannel channel = ECC_CONTACTLESS;
|
|
if (arg_get_lit(1))
|
|
return roca_self_test();
|
|
|
|
if (arg_get_lit(2))
|
|
channel = ECC_CONTACT;
|
|
PrintChannel(channel);
|
|
CLIParserFree();
|
|
|
|
#ifndef WITH_SMARTCARD
|
|
// not compiled with smartcard functionality, we need to exit
|
|
if ( channel == ECC_CONTACT ) {
|
|
PrintAndLogEx(WARNING, "PM3 Client is not compiled with support for SMARTCARD. Exiting.");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
// select card
|
|
uint8_t psenum = (channel == ECC_CONTACT) ? 1 : 2;
|
|
|
|
SetAPDULogging(false);
|
|
|
|
// init applets list tree
|
|
const char *al = "Applets list";
|
|
struct tlvdb *tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
|
|
|
|
// EMV PPSE
|
|
PrintAndLogEx(NORMAL, "--> PPSE.");
|
|
res = EMVSearchPSE(channel, false, true, psenum, false, tlvSelect);
|
|
|
|
// check PPSE and select application id
|
|
if (!res) {
|
|
TLVPrintAIDlistFromSelectTLV(tlvSelect);
|
|
} else {
|
|
// EMV SEARCH with AID list
|
|
PrintAndLogEx(NORMAL, "--> AID search.");
|
|
if (EMVSearch(channel, false, true, false, tlvSelect)) {
|
|
PrintAndLogEx(ERR, "Can't found any of EMV AID. Exit...");
|
|
tlvdb_free(tlvSelect);
|
|
DropFieldEx( channel );
|
|
return 3;
|
|
}
|
|
|
|
// check search and select application id
|
|
TLVPrintAIDlistFromSelectTLV(tlvSelect);
|
|
}
|
|
|
|
// EMV SELECT application
|
|
SetAPDULogging(false);
|
|
EMVSelectApplication(tlvSelect, AID, &AIDlen);
|
|
|
|
tlvdb_free(tlvSelect);
|
|
|
|
if (!AIDlen) {
|
|
PrintAndLogEx(INFO, "Can't select AID. EMV AID not found. Exit...");
|
|
DropFieldEx( channel );
|
|
return 4;
|
|
}
|
|
|
|
// 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
|
|
PrintAndLogEx(NORMAL, "\n-->Selecting AID:%s.", sprint_hex_inrow(AID, AIDlen));
|
|
res = EMVSelect(channel, false, true, AID, AIDlen, buf, sizeof(buf), &len, &sw, tlvRoot);
|
|
|
|
if (res) {
|
|
PrintAndLogEx(ERR, "Can't select AID (%d). Exit...", res);
|
|
tlvdb_free(tlvRoot);
|
|
DropFieldEx( channel );
|
|
return 5;
|
|
}
|
|
|
|
PrintAndLog("\n* Init transaction parameters.");
|
|
InitTransactionParameters(tlvRoot, true, TT_QVSDCMCHIP, false);
|
|
|
|
PrintAndLogEx(NORMAL, "-->Calc PDOL.");
|
|
struct tlv *pdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x9f38, NULL), tlvRoot, 0x83);
|
|
if (!pdol_data_tlv){
|
|
PrintAndLogEx(ERR, "Can't create PDOL TLV.");
|
|
tlvdb_free(tlvRoot);
|
|
DropFieldEx( channel );
|
|
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) {
|
|
PrintAndLogEx(ERR, "Can't create PDOL data.");
|
|
tlvdb_free(tlvRoot);
|
|
DropFieldEx( channel );
|
|
free(pdol_data_tlv);
|
|
return 6;
|
|
}
|
|
PrintAndLogEx(INFO, "PDOL data[%d]: %s", pdol_data_tlv_data_len, sprint_hex(pdol_data_tlv_data, pdol_data_tlv_data_len));
|
|
|
|
PrintAndLogEx(INFO, "-->GPO.");
|
|
res = EMVGPO(channel, 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) {
|
|
PrintAndLogEx(ERR, "GPO error(%d): %4x. Exit...", res, sw);
|
|
tlvdb_free(tlvRoot);
|
|
DropFieldEx( channel );
|
|
return 7;
|
|
}
|
|
ProcessGPOResponseFormat1(tlvRoot, buf, len, false);
|
|
|
|
PrintAndLogEx(INFO, "-->Read records from AFL.");
|
|
const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL);
|
|
|
|
while(AFL && AFL->len) {
|
|
if (AFL->len % 4) {
|
|
PrintAndLogEx(ERR, "Wrong AFL length: %d", AFL->len);
|
|
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];
|
|
|
|
PrintAndLogEx(INFO, "--->SFI[%02x] start:%02x end:%02x offline:%02x", SFI, SFIstart, SFIend, SFIoffline);
|
|
if (SFI == 0 || SFI == 31 || SFIstart == 0 || SFIstart > SFIend) {
|
|
PrintAndLogEx(ERR, "SFI ERROR! Skipped...");
|
|
continue;
|
|
}
|
|
|
|
for(int n = SFIstart; n <= SFIend; n++) {
|
|
PrintAndLogEx(INFO, "---->SFI[%02x] %d", SFI, n);
|
|
|
|
res = EMVReadRecord(channel, true, SFI, n, buf, sizeof(buf), &len, &sw, tlvRoot);
|
|
if (res) {
|
|
PrintAndLogEx(ERR, "SFI[%02x]. APDU error %4x", SFI, sw);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
// getting certificates
|
|
if (tlvdb_get(tlvRoot, 0x90, NULL)) {
|
|
PrintAndLogEx(INFO, "-->Recovering certificates.");
|
|
PKISetStrictExecution(false);
|
|
|
|
struct emv_pk *pk = get_ca_pk(tlvRoot);
|
|
if (!pk) {
|
|
PrintAndLogEx(ERR, "ERROR: Key not found. Exit.");
|
|
goto out;
|
|
}
|
|
|
|
struct emv_pk *issuer_pk = emv_pki_recover_issuer_cert(pk, tlvRoot);
|
|
if (!issuer_pk) {
|
|
emv_pk_free(pk);
|
|
PrintAndLogEx(WARNING, "WARNING: Issuer certificate not found. Exit.");
|
|
goto out;
|
|
}
|
|
|
|
PrintAndLogEx(SUCCESS, "Issuer PK recovered. RID %s IDX %02hhx CSN %s",
|
|
sprint_hex(issuer_pk->rid, 5),
|
|
issuer_pk->index,
|
|
sprint_hex(issuer_pk->serial, 3)
|
|
);
|
|
|
|
|
|
struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlvRoot, NULL);
|
|
if (!icc_pk) {
|
|
emv_pk_free(pk);
|
|
emv_pk_free(issuer_pk);
|
|
PrintAndLogEx(WARNING, "WARNING: ICC certificate not found. Exit.");
|
|
goto out;
|
|
}
|
|
PrintAndLogEx(SUCCESS, "ICC PK recovered. RID %s IDX %02hhx CSN %s\n",
|
|
sprint_hex(icc_pk->rid, 5),
|
|
icc_pk->index,
|
|
sprint_hex(icc_pk->serial, 3)
|
|
);
|
|
|
|
PrintAndLogEx(INFO, "ICC pk modulus: %s", sprint_hex_inrow(icc_pk->modulus, icc_pk->mlen));
|
|
|
|
// icc_pk->exp, icc_pk->elen
|
|
// icc_pk->modulus, icc_pk->mlen
|
|
if (icc_pk->elen > 0 && icc_pk->mlen > 0) {
|
|
if (emv_rocacheck(icc_pk->modulus, icc_pk->mlen, true)) {
|
|
PrintAndLogEx(INFO, "ICC pk is a subject to ROCA vulnerability, insecure..");
|
|
} else {
|
|
PrintAndLogEx(INFO, "ICC pk is OK(");
|
|
}
|
|
}
|
|
|
|
PKISetStrictExecution(true);
|
|
}
|
|
|
|
out:
|
|
|
|
// free tlv object
|
|
tlvdb_free(tlvRoot);
|
|
|
|
DropFieldEx( channel );
|
|
return 0;
|
|
}
|
|
|
|
static command_t CommandTable[] = {
|
|
{"help", CmdHelp, 1, "This help"},
|
|
{"exec", CmdEMVExec, 0, "Executes EMV contactless transaction."},
|
|
{"pse", CmdEMVPPSE, 0, "Execute PPSE. It selects 2PAY.SYS.DDF01 or 1PAY.SYS.DDF01 directory."},
|
|
{"search", CmdEMVSearch, 0, "Try to select all applets from applets list and print installed applets."},
|
|
{"select", CmdEMVSelect, 0, "Select applet."},
|
|
{"gpo", CmdEMVGPO, 0, "Execute GetProcessingOptions."},
|
|
{"readrec", CmdEMVReadRecord, 0, "Read files from card."},
|
|
{"genac", CmdEMVAC, 0, "Generate ApplicationCryptogram."},
|
|
{"challenge", CmdEMVGenerateChallenge, 0, "Generate challenge."},
|
|
{"intauth", CmdEMVInternalAuthenticate, 0, "Internal authentication."},
|
|
{"scan", CmdEMVScan, 0, "Scan EMV card and save it contents to json file for emulator."},
|
|
{"test", CmdEMVTest, 0, "Crypto logic test."},
|
|
/*
|
|
{"getrng", CmdEMVGetrng, 0, "get random number from terminal"},
|
|
{"eload", CmdEmvELoad, 0, "load EMV tag into device"},
|
|
{"dump", CmdEmvDump, 0, "dump EMV tag values"},
|
|
{"sim", CmdEmvSim, 0, "simulate EMV tag"},
|
|
{"clone", CmdEmvClone, 0, "clone an EMV tag"},
|
|
*/
|
|
{"list", CmdEMVList, 0, "[Deprecated] List ISO7816 history"},
|
|
{"roca", CmdEMVRoca, 0, "Extract public keys and run ROCA test"},
|
|
{NULL, NULL, 0, NULL}
|
|
};
|
|
|
|
int CmdEMV(const char *Cmd) {
|
|
clearCommandBuffer();
|
|
CmdsParse(CommandTable, Cmd);
|
|
return 0;
|
|
}
|
|
|
|
int CmdHelp(const char *Cmd) {
|
|
CmdsHelp(CommandTable);
|
|
return 0;
|
|
}
|