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https://github.com/Proxmark/proxmark3.git
synced 2025-08-21 22:03:19 -07:00
dol calculation implemented in genac and intauth
This commit is contained in:
merlokk
parent
5a2378ae79
commit
87d5f5c9be
1 changed files with 84 additions and 18 deletions
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@ -385,7 +385,8 @@ int CmdHFEMVGPO(const char *cmd) {
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uint16_t sw = 0;
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int res = EMVGPO(leaveSignalON, pdol_data_tlv_data, pdol_data_tlv_data_len, buf, sizeof(buf), &len, &sw, tlvRoot);
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free(pdol_data_tlv_data);
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if (pdol_data_tlv != &data_tlv)
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free(pdol_data_tlv);
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tlvdb_free(tlvRoot);
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if (sw)
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@ -458,7 +459,8 @@ int CmdHFEMVAC(const char *cmd) {
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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\thf emv genac -k 0102 -> generate AC with 2-byte CDOLdata and keep field ON after command\n"
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"\thf emv genac -t 01020304 -> generate AC with 4-byte CDOL data, show result in TLV\n"
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"\thf emv genac -Daac 01020304 -> generate AC with 4-byte CDOL data and terminal decision 'declined'\n");
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"\thf emv genac -Daac 01020304 -> generate AC with 4-byte CDOL data and terminal decision 'declined'\n"
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"\thf emv 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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@ -466,7 +468,7 @@ int CmdHFEMVAC(const char *cmd) {
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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 for CDOL making from `emv/defparams.json` file (by default uses default parameters)"),
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arg_lit0("mM", "make", "make PDOLdata from CDOL (tag 8C and 8D) and parameters"),
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arg_lit0("mM", "make", "make CDOLdata from CDOL (tag 8C and 8D) and 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_strx1(NULL, NULL, "<HEX CDOLdata/CDOL>", NULL),
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@ -494,9 +496,11 @@ int CmdHFEMVAC(const char *cmd) {
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}
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if (trTypeCDA)
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termDecision = termDecision | EMVAC_CDAREQ;
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bool APDULogging = arg_get_lit(4);
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bool decodeTLV = arg_get_lit(5);
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CLIGetStrWithReturn(6, data, &datalen);
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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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CLIGetStrWithReturn(8, data, &datalen);
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CLIParserFree();
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SetAPDULogging(APDULogging);
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@ -507,22 +511,43 @@ int CmdHFEMVAC(const char *cmd) {
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// calc CDOL
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struct tlv *cdol_data_tlv = NULL;
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// struct tlv *cdol_data_tlv = dol_process(tlvdb_get(tlvRoot, 0x8c, NULL), tlvRoot, 0x01); // 0x01 - dummy tag
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struct tlv data_tlv = {
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.tag = 0x01,
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.len = datalen,
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.value = (uint8_t *)data,
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};
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cdol_data_tlv = &data_tlv;
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PrintAndLog("CDOL data[%d]: %s", cdol_data_tlv->len, sprint_hex(cdol_data_tlv->value, cdol_data_tlv->len));
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};
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if (dataMakeFromCDOL) {
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ParamLoadDefaults(tlvRoot);
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if (paramsLoadFromFile) {
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PrintAndLog("Params loading from file...");
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ParamLoadFromJson(tlvRoot);
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};
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cdol_data_tlv = dol_process((const struct tlv *)tlvdb_external(0x8c, datalen, data), tlvRoot, 0x01); // 0x01 - dummy tag
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if (!cdol_data_tlv){
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PrintAndLog("ERROR: can't create CDOL TLV.");
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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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PrintAndLog("WARNING: don't need to load parameters. Sending plain CDOL data...");
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}
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cdol_data_tlv = &data_tlv;
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}
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PrintAndLog("CDOL data[%d]: %s", cdol_data_tlv->len, sprint_hex(cdol_data_tlv->value, cdol_data_tlv->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 = EMVAC(leaveSignalON, termDecision, (uint8_t *)cdol_data_tlv->value, cdol_data_tlv->len, buf, sizeof(buf), &len, &sw, tlvRoot);
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// free(cdol_data_tlv);
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if (cdol_data_tlv != &data_tlv)
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free(cdol_data_tlv);
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tlvdb_free(tlvRoot);
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if (sw)
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@ -584,28 +609,65 @@ int CmdHFEMVInternalAuthenticate(const char *cmd) {
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CLIParserInit("hf emv intauth",
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"Generate Internal Authenticate command. Usually needs 4-byte random number. It returns data in TLV format .\nNeeds a EMV applet to be selected and GPO to be executed.",
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"Usage:\n\thf emv intauth -k 01020304 -> execute Internal Authenticate with 4-byte DDOLdata and keep field ON after command\n"
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"\thf emv intauth -t 01020304 -> execute Internal Authenticate with 4-byte DDOL data, show result in TLV\n");
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"\thf emv intauth -t 01020304 -> execute Internal Authenticate with 4-byte DDOL data, show result in TLV\n"
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"\thf emv intauth -pmt 9F 37 04 -> load params from file, make DDOL data from DDOL, Internal Authenticate with DDOL, 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("pP", "params", "load parameters for DDOL making from `emv/defparams.json` file (by default uses default parameters)"),
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arg_lit0("mM", "make", "make DDOLdata from DDOL (tag 9F49) and 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_strx1(NULL, NULL, "<HEX DDOLdata>", NULL),
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arg_strx1(NULL, NULL, "<HEX DDOLdata/DDOL>", 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 APDULogging = arg_get_lit(2);
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bool decodeTLV = arg_get_lit(3);
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CLIGetStrWithReturn(4, data, &datalen);
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bool paramsLoadFromFile = arg_get_lit(2);
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bool dataMakeFromDDOL = 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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CLIGetStrWithReturn(6, 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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// DDOL
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PrintAndLog("DDOL data[%d]: %s", datalen, sprint_hex(data, datalen));
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// calc DDOL
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struct tlv *ddol_data_tlv = NULL;
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struct tlv data_tlv = {
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.tag = 0x01,
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.len = datalen,
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.value = (uint8_t *)data,
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};
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if (dataMakeFromDDOL) {
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ParamLoadDefaults(tlvRoot);
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if (paramsLoadFromFile) {
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PrintAndLog("Params loading from file...");
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ParamLoadFromJson(tlvRoot);
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};
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ddol_data_tlv = dol_process((const struct tlv *)tlvdb_external(0x9f49, datalen, data), tlvRoot, 0x01); // 0x01 - dummy tag
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if (!ddol_data_tlv){
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PrintAndLog("ERROR: can't create DDOL TLV.");
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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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PrintAndLog("WARNING: don't need to load parameters. Sending plain DDOL data...");
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}
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ddol_data_tlv = &data_tlv;
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}
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PrintAndLog("DDOL data[%d]: %s", ddol_data_tlv->len, sprint_hex(ddol_data_tlv->value, ddol_data_tlv->len));
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// exec
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uint8_t buf[APDU_RES_LEN] = {0};
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@ -613,6 +675,10 @@ int CmdHFEMVInternalAuthenticate(const char *cmd) {
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uint16_t sw = 0;
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int res = EMVInternalAuthenticate(leaveSignalON, data, datalen, buf, sizeof(buf), &len, &sw, NULL);
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if (ddol_data_tlv != &data_tlv)
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free(ddol_data_tlv);
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tlvdb_free(tlvRoot);
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if (sw)
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PrintAndLog("APDU response status: %04x - %s", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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