#include "cmdemv.h"
#include <ctype.h>
+#include <string.h>
#include "proxmark3.h"
#include "cmdparser.h"
+#include "ui.h"
+#include "util.h"
#include "mifare.h"
#include "emvjson.h"
#include "emv_pki.h"
#include "cliparser/cliparser.h"
#include "jansson.h"
#include "emv_roca.h"
-
+#include "pcsc.h"
+#include "apduinfo.h"
+#include "dol.h"
+#include "emv_tags.h"
+#include "cmdhf14a.h"
+#include "cmdsmartcard.h"
#define TLV_ADD(tag, value)( tlvdb_change_or_add_node(tlvRoot, tag, sizeof(value) - 1, (const unsigned char *)value) )
void ParamLoadDefaults(struct tlvdb *tlvRoot) {
TLV_ADD(0x9F6A, "\x01\x02\x03\x04");
//9F66:(Terminal Transaction Qualifiers (TTQ)) len:4
TLV_ADD(0x9F66, "\x26\x00\x00\x00"); // qVSDC
+ //95:(Terminal Verification Results) len:5
+ // all OK TVR
+ TLV_ADD(0x95, "\x00\x00\x00\x00\x00");
+}
+
+void PrintChannel(EMVCommandChannel channel) {
+ switch(channel) {
+ case ECC_CONTACTLESS:
+ PrintAndLogEx(INFO, "Channel: CONTACTLESS");
+ break;
+ case ECC_CONTACT:
+ PrintAndLogEx(INFO, "Channel: CONTACT, using %s", getAlternativeSmartcardReader());
+ break;
+ }
}
int CmdEMVSelect(const char *cmd) {
- uint8_t data[APDU_AID_LEN] = {0};
+ uint8_t data[APDU_DATA_LEN] = {0};
int datalen = 0;
- CLIParserInit("emv select",
- "Executes select applet command",
+ CLIParserInit("emv select",
+ "Executes select applet command",
"Usage:\n\temv select -s a00000000101 -> select card, select applet\n\temv select -st a00000000101 -> select card, select applet, show result in TLV\n");
void* argtable[] = {
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);
#ifdef WITH_SMARTCARD
if (arg_get_lit(5))
channel = ECC_CONTACT;
+ PrintChannel(channel);
CLIGetHexWithReturn(6, data, &datalen);
#else
CLIGetHexWithReturn(5, data, &datalen);
#endif
CLIParserFree();
-
+
SetAPDULogging(APDULogging);
-
+
// exec
- uint8_t buf[APDU_RES_LEN] = {0};
+ uint8_t buf[APDU_RESPONSE_LEN] = {0};
size_t len = 0;
uint16_t sw = 0;
int res = EMVSelect(channel, activateField, leaveSignalON, data, datalen, buf, sizeof(buf), &len, &sw, NULL);
if (sw)
- PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
-
+ PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
+
if (res)
return res;
-
+
if (decodeTLV)
TLVPrintFromBuffer(buf, len);
int CmdEMVSearch(const char *cmd) {
- CLIParserInit("emv search",
- "Tries to select all applets from applet list:\n",
+ CLIParserInit("emv search",
+ "Tries to select all applets from applet list:\n",
"Usage:\n\temv search -s -> select card and search\n\temv search -st -> select card, search and show result in TLV\n");
void* argtable[] = {
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);
EMVCommandChannel channel = ECC_CONTACTLESS;
-#ifdef WITH_SMARTCARD
+#ifdef WITH_SMARTCARD
if (arg_get_lit(5))
channel = ECC_CONTACT;
#endif
+ PrintChannel(channel);
CLIParserFree();
-
+
SetAPDULogging(APDULogging);
-
+
struct tlvdb *t = NULL;
const char *al = "Applets list";
t = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
tlvdb_free(t);
return 2;
}
-
+
PrintAndLogEx(SUCCESS, "Search completed.");
// print list here
- if (!decodeTLV) {
+ if (!decodeTLV) {
TLVPrintAIDlistFromSelectTLV(t);
}
-
+
tlvdb_free(t);
-
+
return 0;
}
int CmdEMVPPSE(const char *cmd) {
-
- CLIParserInit("emv pse",
- "Executes PSE/PPSE select command. It returns list of applet on the card:\n",
+
+ CLIParserInit("emv pse",
+ "Executes PSE/PPSE select command. It returns list of applet on the card:\n",
"Usage:\n\temv pse -s1 -> select, get pse\n\temv pse -st2 -> select, get ppse, show result in TLV\n");
void* argtable[] = {
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(7))
channel = ECC_CONTACT;
#endif
- CLIParserFree();
-
+ PrintChannel(channel);
+ CLIParserFree();
+
SetAPDULogging(APDULogging);
-
+
// exec
- uint8_t buf[APDU_RES_LEN] = {0};
+ uint8_t buf[APDU_RESPONSE_LEN] = {0};
size_t len = 0;
uint16_t sw = 0;
int res = EMVSelectPSE(channel, activateField, leaveSignalON, PSENum, buf, sizeof(buf), &len, &sw);
-
+
if (sw)
- PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
+ PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
if (res)
return res;
-
-
+
+
if (decodeTLV)
TLVPrintFromBuffer(buf, len);
}
int CmdEMVGPO(const char *cmd) {
- uint8_t data[APDU_RES_LEN] = {0};
+ uint8_t data[APDU_RESPONSE_LEN] = {0};
int datalen = 0;
- CLIParserInit("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.",
+ CLIParserInit("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\temv gpo -k -> execute GPO\n"
"\temv gpo -t 01020304 -> execute GPO with 4-byte PDOL data, show result in TLV\n"
- "\temv gpo -pmt 9F 37 04 -> load params from file, make PDOL data from PDOL, execute GPO with PDOL, show result in TLV\n");
+ "\temv 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_param_end
};
CLIExecWithReturn(cmd, argtable, true);
-
+
bool leaveSignalON = arg_get_lit(1);
bool paramsLoadFromFile = arg_get_lit(2);
bool dataMakeFromPDOL = arg_get_lit(3);
#else
CLIGetHexWithReturn(6, data, &datalen);
#endif
- CLIParserFree();
-
+ PrintChannel(channel);
+ 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 = {
PrintAndLogEx(INFO, "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){
PrintAndLogEx(ERR, "Can't create PDOL TLV.");
return 4;
}
PrintAndLogEx(INFO, "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};
+ uint8_t buf[APDU_RESPONSE_LEN] = {0};
size_t len = 0;
uint16_t sw = 0;
int res = EMVGPO(channel, 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)
- PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
+ PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
if (res)
return res;
-
+
if (decodeTLV)
TLVPrintFromBuffer(buf, len);
}
int CmdEMVReadRecord(const char *cmd) {
- uint8_t data[APDU_RES_LEN] = {0};
+ uint8_t data[APDU_RESPONSE_LEN] = {0};
int datalen = 0;
- CLIParserInit("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.",
+ CLIParserInit("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\temv readrec -k 0101 -> read file SFI=01, SFIrec=01\n\temv readrec -kt 0201-> read file 0201 and show result in TLV\n");
void* argtable[] = {
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);
#else
CLIGetHexWithReturn(4, data, &datalen);
#endif
+ PrintChannel(channel);
CLIParserFree();
-
+
if (datalen != 2) {
PrintAndLogEx(ERR, "Command needs to have 2 bytes of data");
return 1;
}
-
+
SetAPDULogging(APDULogging);
-
+
// exec
- uint8_t buf[APDU_RES_LEN] = {0};
+ uint8_t buf[APDU_RESPONSE_LEN] = {0};
size_t len = 0;
uint16_t sw = 0;
int res = EMVReadRecord(channel, leaveSignalON, data[0], data[1], buf, sizeof(buf), &len, &sw, NULL);
-
+
if (sw)
- PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
+ PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
if (res)
return res;
-
-
+
+
if (decodeTLV)
TLVPrintFromBuffer(buf, len);
}
int CmdEMVAC(const char *cmd) {
- uint8_t data[APDU_RES_LEN] = {0};
+ uint8_t data[APDU_RESPONSE_LEN] = {0};
int datalen = 0;
- CLIParserInit("emv genac",
- "Generate Application Cryptogram command. It returns data in TLV format .\nNeeds a EMV applet to be selected and GPO to be executed.",
+ CLIParserInit("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\temv genac -k 0102 -> generate AC with 2-byte CDOLdata and keep field ON after command\n"
"\temv genac -t 01020304 -> generate AC with 4-byte CDOL data, show result in TLV\n"
"\temv genac -Daac 01020304 -> generate AC with 4-byte CDOL data and terminal decision 'declined'\n"
- "\temv genac -pmt 9F 37 04 -> load params from file, make CDOL data from CDOL, generate AC with CDOL, show result in TLV");
+ "\temv 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_param_end
};
CLIExecWithReturn(cmd, argtable, false);
-
+
bool leaveSignalON = arg_get_lit(1);
bool trTypeCDA = arg_get_lit(2);
uint8_t termDecision = 0xff;
#else
CLIGetHexWithReturn(8, data, &datalen);
#endif
- CLIParserFree();
-
+ PrintChannel(channel);
+ 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 = {
.len = datalen,
.value = (uint8_t *)data,
};
-
+
if (dataMakeFromCDOL) {
ParamLoadDefaults(tlvRoot);
PrintAndLogEx(INFO, "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){
PrintAndLogEx(ERR, "Can't create CDOL TLV.");
}
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};
+ uint8_t buf[APDU_RESPONSE_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(tlvRoot);
-
+
if (sw)
- PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
+ PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
if (res)
return res;
-
+
if (decodeTLV)
TLVPrintFromBuffer(buf, len);
- return 0;
+ 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.",
+ 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_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;
#endif
- CLIParserFree();
-
+ PrintChannel(channel);
+ CLIParserFree();
+
SetAPDULogging(APDULogging);
-
+
// exec
- uint8_t buf[APDU_RES_LEN] = {0};
+ uint8_t buf[APDU_RESPONSE_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));
+ 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};
+ uint8_t data[APDU_RESPONSE_LEN] = {0};
int datalen = 0;
- CLIParserInit("emv intauth",
+ 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.",
-
+ "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");
+ "\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_param_end
};
CLIExecWithReturn(cmd, argtable, false);
-
+
bool leaveSignalON = arg_get_lit(1);
bool paramsLoadFromFile = arg_get_lit(2);
bool dataMakeFromDDOL = arg_get_lit(3);
#else
CLIGetHexWithReturn(6, data, &datalen);
#endif
- CLIParserFree();
-
+ PrintChannel(channel);
+ 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 = {
.len = datalen,
.value = (uint8_t *)data,
};
-
+
if (dataMakeFromDDOL) {
ParamLoadDefaults(tlvRoot);
PrintAndLogEx(INFO, "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){
PrintAndLogEx(ERR, "Can't create DDOL TLV.");
}
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};
+ uint8_t buf[APDU_RESPONSE_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(tlvRoot);
-
+ tlvdb_free(tlvRoot);
+
if (sw)
- PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
+ PrintAndLogEx(INFO, "APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
if (res)
return res;
-
+
if (decodeTLV)
TLVPrintFromBuffer(buf, len);
- return 0;
+ return 0;
}
-#define dreturn(n) {free(pdol_data_tlv);tlvdb_free(tlvSelect);tlvdb_free(tlvRoot);DropField();return n;}
+#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) {
TLV_ADD(0x9F66, "\x86\x00\x00\x00"); // MSD
break;
// not standard for contactless. just for test.
- case TT_VSDC:
+ case TT_VSDC:
TLV_ADD(0x9F66, "\x46\x00\x00\x00"); // VSDC
break;
case TT_QVSDCMCHIP:
PrintAndLog("GPO response format1:");
TLVPrintFromBuffer(buf, len);
}
-
+
if (len < 4 || (len - 4) % 4) {
PrintAndLogEx(ERR, "GPO response format1 parsing error. length=%d", len);
} else {
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};
+ uint8_t buf[APDU_RESPONSE_LEN] = {0};
size_t len = 0;
uint16_t sw = 0;
- uint8_t AID[APDU_AID_LEN] = {0};
+ uint8_t AID[APDU_DATA_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",
+ 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");
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);
if (arg_get_lit(11))
channel = ECC_CONTACT;
#endif
+ PrintChannel(channel);
uint8_t psenum = (channel == ECC_CONTACT) ? 1 : 2;
+ char *PSE_or_PPSE = psenum == 1 ? "PSE" : "PPSE";
+
CLIParserFree();
-
+
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.");
+ // PPSE / PSE
+ PrintAndLogEx(NORMAL, "\n* %s.", PSE_or_PPSE);
SetAPDULogging(showAPDU);
res = EMVSearchPSE(channel, activateField, true, psenum, decodeTLV, tlvSelect);
- // check PPSE and select application id
- if (!res) {
+ // check PPSE / PSE and select application id
+ if (!res) {
TLVPrintAIDlistFromSelectTLV(tlvSelect);
EMVSelectApplication(tlvSelect, AID, &AIDlen);
}
}
-
+
// Search
if (!AIDlen) {
PrintAndLogEx(NORMAL, "\n* Search AID in list.");
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) {
+
+ if (res) {
PrintAndLogEx(WARNING, "Can't select AID (%d). Exit...", res);
dreturn(3);
}
-
+
if (decodeTLV)
TLVPrintFromBuffer(buf, len);
PrintAndLogEx(INFO, "* Selected.");
-
+
PrintAndLogEx(INFO, "\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(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) {
+
+ 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);
+ 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(WARNING, "AFL not found.");
}
-
+
while(AFL && AFL->len) {
if (AFL->len % 4) {
PrintAndLogEx(WARNING, "Error: Wrong AFL length: %d", AFL->len);
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:%02x", SFI, SFIstart, SFIend, SFIoffline);
+
+ 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) {
+ if (SFIoffline > 0) {
if (SFI < 11) {
const unsigned char *abuf = buf;
size_t elmlen = len;
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);
+ 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);
+ const struct tlv *AIPtlv = tlvdb_get(tlvRoot, 0x82, NULL);
if (AIPtlv) {
AIP = AIPtlv->value[0] + AIPtlv->value[1] * 0x100;
PrintAndLogEx(NORMAL, "* * AIP=%04x", AIP);
if (AIP & 0x0020) {
PrintAndLogEx(NORMAL, "\n* DDA");
trDDA(channel, decodeTLV, tlvRoot);
- }
-
+ }
+
// transaction check
-
+
// qVSDC
if (TrType == TT_QVSDCMCHIP|| TrType == TT_CDA){
// 9F26: Application Cryptogram
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);
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]);
} else {
PrintAndLogEx(WARNING, "IAD not found.");
}
-
+
} else {
PrintAndLogEx(ERR, "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);
PrintAndLogEx(WARNING, "GetChallenge. Wrong challenge length %d", len);
dreturn(6);
}
-
+
// ICC Dynamic Number
struct tlvdb * ICCDynN = tlvdb_fixed(0x9f4c, len, buf);
tlvdb_add(tlvRoot, ICCDynN);
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){
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) {
+
+ 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) {
+ 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);
} else {
PrintAndLogEx(WARNING, "CID(9F27) not found.");
}
-
+
}
}
-
+
// MSD
- if (AIP & 0x8000 && TrType == TT_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);
struct tlvdb *dCVV = GetdCVVRawFromTrack2(track2);
PrintAndLogEx(NORMAL, "dCVV raw data:");
TLVPrintFromTLV(dCVV);
-
+
if (GetCardPSVendor(AID, AIDlen) == CV_MASTERCARD) {
PrintAndLogEx(NORMAL, "\n* Mastercard calculate UDOL");
}
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, "Compute Crypto Checksum. APDU error %4x", sw);
free(udol_data_tlv);
dreturn(9);
}
-
+
// Mastercard compute cryptographic checksum result
TLVPrintFromBuffer(buf, len);
PrintAndLogEx(NORMAL, "");
}
}
- DropField();
+ // VSDC
+ if (GetCardPSVendor(AID, AIDlen) == CV_VISA && (TrType == TT_VSDC || TrType == TT_CDA)){
+ PrintAndLogEx(NORMAL, "\n--> VSDC transaction.");
+
+ 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);
+ }
+
+ // 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);
}
int CmdEMVScan(const char *cmd) {
- uint8_t AID[APDU_AID_LEN] = {0};
+ uint8_t AID[APDU_DATA_LEN] = {0};
size_t AIDlen = 0;
- uint8_t buf[APDU_RES_LEN] = {0};
+ uint8_t buf[APDU_RESPONSE_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.",
+ 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");
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);
uint8_t relfname[250] = {0};
char *crelfname = (char *)relfname;
int relfnamelen = 0;
-#ifdef WITH_SMARTCARD
+#ifdef WITH_SMARTCARD
if (arg_get_lit(11)) {
channel = ECC_CONTACT;
}
#else
CLIGetStrWithReturn(11, relfname, &relfnamelen);
#endif
+ PrintChannel(channel);
uint8_t psenum = (channel == ECC_CONTACT) ? 1 : 2;
CLIParserFree();
SetAPDULogging(showAPDU);
- // TODO
- if (channel == ECC_CONTACT) {
- PrintAndLogEx(ERR, "Do not use contact interface. Exit.");
- return 1;
- }
-
// current path + file name
if (!strstr(crelfname, ".json"))
strcat(crelfname, ".json");
root = json_load_file(fname, 0, &error);
if (!root) {
PrintAndLogEx(ERR, "json error on line %d: %s", error.line, error.text);
- return 1;
+ return 1;
}
-
+
if (!json_is_object(root)) {
PrintAndLogEx(ERR, "Invalid json format. root must be an object.");
- return 1;
+ return 1;
}
} else {
root = json_object();
}
// drop field at start
- DropField();
-
- // iso 14443 select
- PrintAndLogEx(NORMAL, "--> GET UID, ATS.");
-
- iso14a_card_select_t card;
- if (Hf14443_4aGetCardData(&card)) {
- return 2;
- }
+ DropFieldEx( channel );
JsonSaveStr(root, "$.File.Created", "proxmark3 `emv scan`");
- JsonSaveStr(root, "$.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);
+ if (channel == ECC_CONTACTLESS) {
+ // iso 14443 select
+ PrintAndLogEx(NORMAL, "--> GET UID, ATS.");
+
+ iso14a_card_select_t card;
+ if (Hf14443_4aGetCardData(&card)) {
+ return 2;
+ }
+ if (!card.uidlen) {
+ PrintAndLogEx(ERR, "get ATS error");
+ 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, "$.Card.Contactless.ATS", (uint8_t *)card.ats, card.ats_len);
+ } else {
+ PrintAndLogEx(NORMAL, "--> GET ATR.");
+
+ smart_card_atr_t ccard;
+ smart_getATR(&ccard);
+
+ if (!ccard.atr_len) {
+ PrintAndLogEx(ERR, "get ATR error");
+ return 2;
+ }
+
+ JsonSaveStr(root, "$.Card.Contact.Communication", "iso7816");
+ JsonSaveBufAsHex(root, "$.Card.Contact.ATR", (uint8_t *)ccard.atr, ccard.atr_len);
+ }
// init applets list tree
const char *al = "Applets list";
struct tlvdb *tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);
-
+
// EMV PPSE
PrintAndLogEx(NORMAL, "--> PPSE.");
res = EMVSelectPSE(channel, true, true, 2, buf, sizeof(buf), &len, &sw);
if (!res && sw == 0x9000){
if (decodeTLV)
TLVPrintFromBuffer(buf, len);
-
+
JsonSaveBufAsHex(root, "$.PPSE.AID", (uint8_t *)"2PAY.SYS.DDF01", 14);
-
+
struct tlvdb *fci = tlvdb_parse_multi(buf, len);
if (extractTLVElements)
JsonSaveTLVTree(root, root, "$.PPSE.FCITemplate", fci);
res = EMVSearchPSE(channel, false, true, psenum, decodeTLV, tlvSelect);
// check PPSE and select application id
- if (!res) {
- TLVPrintAIDlistFromSelectTLV(tlvSelect);
+ if (!res) {
+ TLVPrintAIDlistFromSelectTLV(tlvSelect);
} else {
// EMV SEARCH with AID list
SetAPDULogging(false);
if (EMVSearch(channel, false, true, decodeTLV, tlvSelect)) {
PrintAndLogEx(ERR, "Can't found any of EMV AID. Exit...");
tlvdb_free(tlvSelect);
- DropField();
+ DropFieldEx( channel );
return 3;
}
if (!AIDlen) {
PrintAndLogEx(INFO, "Can't select AID. EMV AID not found. Exit...");
- DropField();
+ DropFieldEx( channel );
return 4;
}
JsonSaveBufAsHex(root, "$.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);
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) {
+
+ if (res) {
PrintAndLogEx(ERR, "Can't select AID (%d). Exit...", res);
tlvdb_free(tlvRoot);
- DropField();
+ DropFieldEx( channel );
return 5;
}
-
+
if (decodeTLV)
TLVPrintFromBuffer(buf, len);
// 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);
- DropField();
+ 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);
- DropField();
+ 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) {
+
+ if (res) {
PrintAndLogEx(ERR, "GPO error(%d): %4x. Exit...", res, sw);
tlvdb_free(tlvRoot);
- DropField();
+ DropFieldEx( channel );
return 7;
}
ProcessGPOResponseFormat1(tlvRoot, buf, len, decodeTLV);
-
+
struct tlvdb *gpofci = tlvdb_parse_multi(buf, len);
if (extractTLVElements)
JsonSaveTLVTree(root, root, "$.Application.GPO", gpofci);
PrintAndLogEx(INFO, "-->Read records from AFL.");
const struct tlv *AFL = tlvdb_get(tlvRoot, 0x94, NULL);
-
+
while(AFL && AFL->len) {
if (AFL->len % 4) {
PrintAndLogEx(ERR, "Wrong AFL length: %d", AFL->len);
if (!sfijson) {
json_t *app = json_path_get(root, "$.Application");
json_object_set_new(app, "Records", json_array());
-
+
sfijson = json_path_get(root, "$.Application.Records");
}
if (!json_is_array(sfijson)) {
uint8_t SFIstart = AFL->value[i * 4 + 1];
uint8_t SFIend = AFL->value[i * 4 + 2];
uint8_t SFIoffline = AFL->value[i * 4 + 3];
-
+
PrintAndLogEx(INFO, "--->SFI[%02x] start:%02x end:%02x offline:%02x", SFI, SFIstart, SFIend, SFIoffline);
if (SFI == 0 || SFI == 31 || SFIstart == 0 || SFIstart > SFIend) {
PrintAndLogEx(ERR, "SFI ERROR! Skipped...");
continue;
}
-
+
for(int n = SFIstart; n <= SFIend; n++) {
PrintAndLogEx(INFO, "---->SFI[%02x] %d", SFI, n);
-
+
res = EMVReadRecord(channel, true, SFI, n, buf, sizeof(buf), &len, &sw, tlvRoot);
if (res) {
PrintAndLogEx(ERR, "SFI[%02x]. APDU error %4x", SFI, sw);
continue;
}
-
+
if (decodeTLV) {
TLVPrintFromBuffer(buf, len);
PrintAndLogEx(NORMAL, "");
}
-
+
json_t *jsonelm = json_object();
json_array_append_new(sfijson, jsonelm);
JsonSaveHex(jsonelm, "SFI", SFI, 1);
JsonSaveHex(jsonelm, "RecordNum", n, 1);
JsonSaveHex(jsonelm, "Offline", SFIoffline, 1);
-
+
struct tlvdb *rsfi = tlvdb_parse_multi(buf, len);
if (extractTLVElements)
JsonSaveTLVTree(root, jsonelm, "$.Data", rsfi);
tlvdb_free(rsfi);
}
}
-
+
break;
}
-
+
// getting certificates
if (tlvdb_get(tlvRoot, 0x90, NULL)) {
PrintAndLogEx(INFO, "-->Recovering certificates.");
RecoveryCertificates(tlvRoot, root);
PKISetStrictExecution(true);
}
-
+
// free tlv object
tlvdb_free(tlvRoot);
- // DropField
- DropField();
-
+ 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 CmdEMVRoca(const char *cmd) {
- uint8_t AID[APDU_AID_LEN] = {0};
+ uint8_t AID[APDU_DATA_LEN] = {0};
size_t AIDlen = 0;
- uint8_t buf[APDU_RES_LEN] = {0};
+ uint8_t buf[APDU_RESPONSE_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",
+ uint8_t ODAiList[4096];
+ size_t ODAiListLen = 0;
+
+ 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");
+ "\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("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);
-
- EMVCommandChannel channel = ECC_CONTACTLESS;
+
if (arg_get_lit(1))
+ return roca_self_test();
+ bool showAPDU = arg_get_lit(2);
+
+ EMVCommandChannel channel = ECC_CONTACTLESS;
+#ifdef WITH_SMARTCARD
+ if (arg_get_lit(3))
channel = ECC_CONTACT;
+#endif
+ PrintChannel(channel);
+ CLIParserFree();
// select card
uint8_t psenum = (channel == ECC_CONTACT) ? 1 : 2;
-
- SetAPDULogging(false);
-
+ char *PSE_or_PPSE = psenum == 1 ? "PSE" : "PPSE";
+
+ SetAPDULogging(showAPDU);
+
// 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);
+ // EMV PSE/PPSE
+ PrintAndLogEx(NORMAL, "--> %s.", PSE_or_PPSE);
+ res = EMVSearchPSE(channel, true, true, psenum, false, tlvSelect);
- // check PPSE and select application id
- if (!res) {
- TLVPrintAIDlistFromSelectTLV(tlvSelect);
+ // check PSE/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...");
+ PrintAndLogEx(ERR, "Couldn't find any known EMV AID. Exit...");
tlvdb_free(tlvSelect);
- DropField();
+ DropFieldEx( channel );
return 3;
}
}
// 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...");
- DropField();
+ DropFieldEx( channel );
return 4;
}
// 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) {
+
+ if (res) {
PrintAndLogEx(ERR, "Can't select AID (%d). Exit...", res);
tlvdb_free(tlvRoot);
- DropField();
+ DropFieldEx( channel );
return 5;
}
if (!pdol_data_tlv){
PrintAndLogEx(ERR, "Can't create PDOL TLV.");
tlvdb_free(tlvRoot);
- DropField();
+ 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);
- DropField();
+ 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) {
+
+ if (res) {
PrintAndLogEx(ERR, "GPO error(%d): %4x. Exit...", res, sw);
tlvdb_free(tlvRoot);
- DropField();
+ 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);
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;
}
+
+ // 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);
+ }
+
// getting certificates
- if (tlvdb_get(tlvRoot, 0x90, NULL)) {
+ 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.");
+ PrintAndLogEx(ERR, "CA Public Key not found. Exit.");
goto out;
}
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),
+
+ char RID[15] = {0};
+ memcpy(RID, sprint_hex(issuer_pk->rid, 5), 14);
+ PrintAndLogEx(SUCCESS, "Issuer Public Key recovered. RID %s IDX %02hhx CSN %s",
+ RID,
issuer_pk->index,
sprint_hex(issuer_pk->serial, 3)
);
-
- struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlvRoot, NULL);
+ const struct tlv *sda_tlv = tlvdb_get(tlvRoot, 0x21, NULL);
+ struct emv_pk *icc_pk = emv_pki_recover_icc_cert(issuer_pk, tlvRoot, sda_tlv);
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),
+
+ memcpy(RID, sprint_hex(icc_pk->rid, 5), 14);
+ PrintAndLogEx(SUCCESS, "ICC Public Key recovered. RID %s IDX %02hhx CSN %s\n",
+ RID,
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
+
+ PrintAndLogEx(INFO, "ICC Public Key modulus: %s\n", 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..");
+ if (emv_rocacheck(icc_pk->modulus, icc_pk->mlen, false)) {
+ PrintAndLogEx(INFO, "ICC Public Key is subject to ROCA vulnerability (it is NOT secure).");
} else {
- PrintAndLogEx(INFO, "ICC pk is OK(");
+ PrintAndLogEx(INFO, "ICC Public Key is not subject to ROCA vulnerability (it is secure)");
}
- }
-
+ }
+
PKISetStrictExecution(true);
}
out:
-
+
// free tlv object
tlvdb_free(tlvRoot);
- if ( channel == ECC_CONTACTLESS)
- DropField();
-
-
+ 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."},
- {"roca", CmdEMVRoca, 0, "Extract public keys and run ROCA test"},
+ {"exec", CmdEMVExec, 1, "Executes EMV contactless transaction."},
+ {"pse", CmdEMVPPSE, 1, "Execute PPSE. It selects 2PAY.SYS.DDF01 or 1PAY.SYS.DDF01 directory."},
+ {"search", CmdEMVSearch, 1, "Try to select all applets from applets list and print installed applets."},
+ {"select", CmdEMVSelect, 1, "Select applet."},
+ {"gpo", CmdEMVGPO, 1, "Execute GetProcessingOptions."},
+ {"readrec", CmdEMVReadRecord, 1, "Read files from card."},
+ {"genac", CmdEMVAC, 1, "Generate ApplicationCryptogram."},
+ {"challenge", CmdEMVGenerateChallenge, 1, "Generate challenge."},
+ {"intauth", CmdEMVInternalAuthenticate, 1, "Internal authentication."},
+ {"scan", CmdEMVScan, 1, "Scan EMV card and save it contents to json file for emulator."},
+ {"test", CmdEMVTest, 1, "Crypto logic test."},
+ {"roca", CmdEMVRoca, 1, "Extract public keys and run ROCA test"},
{NULL, NULL, 0, NULL}
};
projects / proxmark3-svn / blobdiff