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get value works
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3 changed files with 147 additions and 1 deletions
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@ -6504,6 +6504,122 @@ static int CmdHF14ADesDeleteFile(const char *Cmd) {
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return PM3_SUCCESS;
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}
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// {"value", CmdHF14ADesValueOperations, IfPm3Iso14443a, "[new]Operations with value file (get/credit/limited credit/debit/clear)"},
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static int CmdHF14ADesValueOperations(const char *Cmd) {
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CLIParserContext *ctx;
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CLIParserInit(&ctx, "hf mfdes value",
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"Get File Settings from file from application. Master key needs to be provided or flag --no-auth set (depend on cards settings).",
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"hf mfdes value --aid 123456 --fid 01 --op credit -d 00000001 -> change file settings app=123456, file=01 with defaults from `default` command\n"
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"hf mfdes value -n 0 -t des -k 0000000000000000 -f none --aid 123456 --fid 01 -rawdata 00EEEE -> execute with default factory setup\n"
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"hf mfdes value --aid 123456 --fid 01 --rawdata 810000021f112f22 -> change file settings with additional rights for keys 1 and 2");
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void *argtable[] = {
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arg_param_begin,
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arg_lit0("a", "apdu", "show APDU requests and responses"),
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arg_lit0("v", "verbose", "show technical data"),
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arg_int0("n", "keyno", "<keyno>", "Key number"),
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arg_str0("t", "algo", "<DES/2TDEA/3TDEA/AES>", "Crypt algo: DES, 2TDEA, 3TDEA, AES"),
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arg_str0("k", "key", "<Key>", "Key for authenticate (HEX 8(DES), 16(2TDEA or AES) or 24(3TDEA) bytes)"),
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arg_str0("f", "kdf", "<none/AN10922/gallagher>", "Key Derivation Function (KDF): None, AN10922, Gallagher"),
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arg_str0("i", "kdfi", "<kdfi>", "KDF input (HEX 1-31 bytes)"),
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arg_str0("m", "cmode", "<plain/mac/encrypt>", "Communicaton mode: plain/mac/encrypt"),
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arg_str0("c", "ccset", "<native/niso/iso>", "Communicaton command set: native/niso/iso"),
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arg_str0("s", "schann", "<d40/ev1/ev2>", "Secure channel: d40/ev1/ev2"),
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arg_str0(NULL, "aid", "<app id hex>", "Application ID (3 hex bytes, big endian)"),
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arg_str0(NULL, "fid", "<file id hex>", "File ID (1 hex byte)"),
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arg_str0("o", "op", "<get/credit/limcredit/debit/clear>", "Operation: get(default)/credit/limcredit(limited credit)/debit/clear. Operation clear: get-getopt-debit to min value"),
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arg_str0("d", "data", "<value HEX>", "Value for operation (HEX 4 bytes)"),
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arg_lit0(NULL, "no-auth", "execute without authentication"),
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arg_param_end
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};
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CLIExecWithReturn(ctx, Cmd, argtable, false);
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bool APDULogging = arg_get_lit(ctx, 1);
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bool verbose = arg_get_lit(ctx, 2);
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bool noauth = arg_get_lit(ctx, 15);
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DesfireContext dctx;
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int securechann = defaultSecureChannel;
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uint32_t appid = 0x000000;
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int res = CmdDesGetSessionParameters(ctx, &dctx, 3, 4, 5, 6, 7, 8, 9, 10, 11, &securechann, DCMMACed, &appid);
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if (res) {
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CLIParserFree(ctx);
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return res;
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}
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uint32_t fileid = 1;
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res = arg_get_u32_hexstr_def_nlen(ctx, 12, 1, &fileid, 1, true);
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if (res == 2) {
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PrintAndLogEx(ERR, "File ID must have 1 byte length");
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CLIParserFree(ctx);
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return PM3_EINVARG;
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}
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int op = MFDES_GET_VALUE;
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if (CLIGetOptionList(arg_get_str(ctx, 13), DesfireValueFileOperOpts, &op)) {
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CLIParserFree(ctx);
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return PM3_ESOFT;
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}
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uint32_t value = 0;
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res = arg_get_u32_hexstr_def_nlen(ctx, 14, 0, &value, 4, true);
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if (res == 2) {
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PrintAndLogEx(ERR, "Value must have 4 byte length");
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CLIParserFree(ctx);
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return PM3_EINVARG;
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}
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SetAPDULogging(APDULogging);
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CLIParserFree(ctx);
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if (noauth) {
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res = DesfireSelectAIDHex(&dctx, appid, false, 0);
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if (res != PM3_SUCCESS) {
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PrintAndLogEx(ERR, "Desfire select " _RED_("error") ".");
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DropField();
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return res;
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}
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} else {
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res = DesfireSelectAndAuthenticate(&dctx, securechann, appid, verbose);
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if (res != PM3_SUCCESS) {
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DropField();
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return res;
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}
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}
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if (verbose)
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PrintAndLogEx(INFO, "app %06x file %02x operation: %s value: 0x%08x", appid, fileid, CLIGetOptionListStr(DesfireValueFileOperOpts, op), value);
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if (op != 0xff) {
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res = DesfireValueFileOperations(&dctx, fileid, op, &value);
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if (res != PM3_SUCCESS) {
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PrintAndLogEx(ERR, "Desfire ValueFileOperations (0x%02x) command " _RED_("error") ". Result: %d", op, res);
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DropField();
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return PM3_ESOFT;
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}
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if (op == MFDES_GET_VALUE)
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PrintAndLogEx(SUCCESS, "Value: " _GREEN_("%d (0x%08x)"), value, value);
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else
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PrintAndLogEx(SUCCESS, "Value changed " _GREEN_("successfully"));
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} else {
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res = DesfireValueFileOperations(&dctx, fileid, MFDES_GET_VALUE, &value);
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if (res != PM3_SUCCESS) {
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PrintAndLogEx(ERR, "Desfire GetValue command " _RED_("error") ". Result: %d", op, res);
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DropField();
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return PM3_ESOFT;
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}
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if (verbose)
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PrintAndLogEx(INFO, "current value: 0x%08x", value);
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PrintAndLogEx(SUCCESS, "Value cleared " _GREEN_("successfully"));
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}
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DropField();
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return PM3_SUCCESS;
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}
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static int CmdHF14ADesTest(const char *Cmd) {
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DesfireTest(true);
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return PM3_SUCCESS;
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@ -6541,14 +6657,15 @@ static command_t CommandTable[] = {
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{"getfileisoids", CmdHF14ADesGetFileISOIDs, IfPm3Iso14443a, "[new]Get File ISO IDs list"},
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{"getfilesettings", CmdHF14ADesGetFileSettings, IfPm3Iso14443a, "[new]Get file settings"},
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{"chfilesettings", CmdHF14ADesChFileSettings, IfPm3Iso14443a, "[new]Change file settings"},
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{"changevalue", CmdHF14ADesChangeValue, IfPm3Iso14443a, "Write value of a value file (credit/debit/clear)"},
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{"clearfile", CmdHF14ADesClearRecordFile, IfPm3Iso14443a, "Clear record File"},
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{"createfile", CmdHF14ADesCreateFile, IfPm3Iso14443a, "[new]Create Standard/Backup File"},
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{"createvaluefile", CmdHF14ADesCreateValueFile, IfPm3Iso14443a, "[new]Create Value File"},
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{"createrecordfile", CmdHF14ADesCreateRecordFile, IfPm3Iso14443a, "Create Linear/Cyclic Record File"},
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{"deletefile", CmdHF14ADesDeleteFile, IfPm3Iso14443a, "[new]Delete File"},
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{"dump", CmdHF14ADesDump, IfPm3Iso14443a, "Dump all files"},
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{"value", CmdHF14ADesValueOperations, IfPm3Iso14443a, "[new]Operations with value file (get/credit/limited credit/debit/clear)"},
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{"getvalue", CmdHF14ADesGetValueData, IfPm3Iso14443a, "Get value of file"},
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{"changevalue", CmdHF14ADesChangeValue, IfPm3Iso14443a, "Write value of a value file (credit/debit/clear)"},
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{"read", CmdHF14ADesReadData, IfPm3Iso14443a, "Read data from standard/backup/record file"},
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{"write", CmdHF14ADesWriteData, IfPm3Iso14443a, "Write data to standard/backup/record file"},
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{"-----------", CmdHelp, IfPm3Iso14443a, "----------------------- " _CYAN_("System") " -----------------------"},
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@ -94,6 +94,14 @@ const CLIParserOption DesfireFileAccessModeOpts[] = {
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{0, NULL},
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};
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const CLIParserOption DesfireValueFileOperOpts[] = {
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{MFDES_GET_VALUE, "get"},
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{MFDES_CREDIT, "credit"},
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{MFDES_LIMITED_CREDIT, "limcredit"},
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{MFDES_DEBIT, "debit"},
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{0xff, "clear"},
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{0, NULL},
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};
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static const char *getstatus(uint16_t *sw) {
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if (sw == NULL) return "--> sw argument error. This should never happen !";
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@ -1075,6 +1083,24 @@ int DesfireAbortTrqansaction(DesfireContext *dctx) {
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return DesfireCommandNoData(dctx, MFDES_ABORT_TRANSACTION);
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}
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int DesfireValueFileOperations(DesfireContext *dctx, uint8_t fid, uint8_t operation, uint32_t *value) {
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uint8_t data[250] = {0};
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data[0] = fid;
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size_t datalen = (operation == MFDES_GET_VALUE) ? 1 : 5;
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if (value)
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Uint4byteToMemLe(&data[1], *value);
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uint8_t resp[250] = {0};
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size_t resplen = 0;
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int res = DesfireCommand(dctx, operation, data, datalen, resp, &resplen, -1);
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if (resplen == 4 && value)
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*value = MemLeToUint4byte(resp);
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return res;
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}
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uint8_t DesfireKeyAlgoToType(DesfireCryptoAlgorythm keyType) {
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switch (keyType) {
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case T_DES:
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@ -34,6 +34,7 @@ extern const CLIParserOption DesfireCommunicationModeOpts[];
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extern const CLIParserOption DesfireCommandSetOpts[];
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extern const CLIParserOption DesfireSecureChannelOpts[];
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extern const CLIParserOption DesfireFileAccessModeOpts[];
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extern const CLIParserOption DesfireValueFileOperOpts[];
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const char *DesfireGetErrorString(int res, uint16_t *sw);
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uint32_t DesfireAIDByteToUint(uint8_t *data);
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@ -91,4 +92,6 @@ int DesfireDeleteFile(DesfireContext *dctx, uint8_t fid);
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int DesfireCommitTrqansaction(DesfireContext *dctx, bool enable_options, uint8_t options);
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int DesfireAbortTrqansaction(DesfireContext *dctx);
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int DesfireValueFileOperations(DesfireContext *dctx, uint8_t fid, uint8_t operation, uint32_t *value);
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#endif // __DESFIRECORE_H
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