RfidResearchGroup/proxmark3
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Merge branch 'master' into iclass_encode_fccn

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This commit is contained in:
Eric Betts 2021-07-28 12:35:32 -07:00
commit fb2734c5d9
12 changed files with 897 additions and 294 deletions
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1
CHANGELOG.md
View file

@ -4,6 +4,7 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac
## [unreleased][unreleased]
- Add `--wiegand/--fc/--cn` to `hf iclass encode` (@bettse)
- Fic `lf t55xx detect` - to unset lf config decimation if value is not one (@iceman1001)
- Fix `hf 15 sample` - data collection works again (@iceman1001)
- Changed `data plot -h` - removed line (@doegox)
- Fix `lf_tharexde` - double define of global variable (@axisray)

4
armsrc/lfsampling.c
View file

@ -45,9 +45,7 @@ void printLFConfig(void) {
Dbprintf(" [a] averaging........... %s", (config.averaging) ? "yes" : "no");
Dbprintf(" [t] trigger threshold... %d", config.trigger_threshold);
Dbprintf(" [s] samples to skip..... %d ", config.samples_to_skip);
DbpString(_CYAN_("LF Sampling Stack"));
print_stack_usage();
DbpString("");
}
void printSamples(void) {

737
client/src/cmdhfmfdes.c
View file

@ -1518,7 +1518,7 @@ static int handler_desfire_getkeysettings(uint8_t *key_settings, uint8_t *num_ke
return res;
}
static int handler_desfire_commit_transaction(void) {
/*static int handler_desfire_commit_transaction(void) {
sAPDU apdu = {0x90, MFDES_COMMIT_TRANSACTION, 0x00, 0x00, 0x00, NULL}; //0xC7
uint32_t recv_len = 0;
uint16_t sw = 0;
@ -1531,7 +1531,7 @@ static int handler_desfire_commit_transaction(void) {
return PM3_ESOFT;
return res;
}
}*/
// --- GET APPIDS
static int handler_desfire_appids(uint8_t *dest, uint32_t *app_ids_len) {
@ -1747,12 +1747,12 @@ static int handler_desfire_getvalue(mfdes_value_t *value, uint32_t *resplen, uin
return res;
}
static int handler_desfire_writedata(mfdes_data_t *data, MFDES_FILE_TYPE_T type, uint8_t cs) {
//static int handler_desfire_writedata(mfdes_data_t *data, MFDES_FILE_TYPE_T type, uint8_t cs) {
/* LC FN OF OF OF LN LN LN DD DD DD
90 3d 00 00 16 01 00 00 00 0f 00 00 00 0f 20 00 3b 00 34 04 06 e1 04 0f fe 00 00 00
90 3d 00 00 09 02 00 00 00 02 00 00 00 00 00
*/
/*
if (data->fileno > 0x1F) {
return PM3_EINVARG;
}
@ -1802,14 +1802,14 @@ static int handler_desfire_writedata(mfdes_data_t *data, MFDES_FILE_TYPE_T type,
apdu.Lc = plen - 1;
}
/*
*
// we dont want to change the value of datasize, so delt with above without change
// Doing so can create wrong offsets and endless loop.
if (plen != -1) datasize = (uint8_t)plen;
memcpy(&tmp[7], p, datasize);
apdu.Lc = datasize + 1 + 3 + 3;
*/
*
res = send_desfire_cmd(&apdu, false, NULL, &recvlen, &sw, 0, true);
if (res != PM3_SUCCESS) {
@ -1828,7 +1828,7 @@ static int handler_desfire_writedata(mfdes_data_t *data, MFDES_FILE_TYPE_T type,
}
}
return res;
}
}*/
static int getKeySettings(uint8_t *aid) {
if (aid == NULL) return PM3_EINVARG;
@ -2041,7 +2041,7 @@ static int CmdHF14ADesSelectApp(const char *Cmd) {
return res;
}
static int selectfile(uint8_t *aid, uint8_t fileno, uint8_t *cs) {
/*static int selectfile(uint8_t *aid, uint8_t fileno, uint8_t *cs) {
if (handler_desfire_select_application(aid) != PM3_SUCCESS) {
PrintAndLogEx(ERR, _RED_(" Couldn't select aid."));
return PM3_ESOFT;
@ -2071,220 +2071,7 @@ static int selectfile(uint8_t *aid, uint8_t fileno, uint8_t *cs) {
}
*cs = filesettings[1];
return res;
}
static int CmdHF14ADesReadData(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "hf mfdes read",
"Read data from File\n"
"Make sure to select aid or authenticate aid before running this command.",
"hf mfdes read -n 1 -t 0 -o 000000 -l 000000 -a 123456\n"
"hf mfdes read -n 1 -t 0 --> Read all data from standard file, fileno 1"
);
void *argtable[] = {
arg_param_begin,
arg_int0("n", "fileno", "<dec>", "File Number (0 - 31)"),
arg_strx0("o", "offset", "<hex>", "File Offset (3 hex bytes, big endian)"),
arg_strx0("l", "length", "<hex>", "Length to read (3 hex bytes, big endian -> 000000 = Read all data)"),
arg_int0("t", "type", "<dec>", "File Type (0 = Standard / Backup, 1 = Record)"),
arg_strx0("a", "aid", "<hex>", "App ID to select (3 hex bytes, big endian)"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
int fno = arg_get_int_def(ctx, 1, 0);
int offsetlength = 0;
uint8_t offset[3] = {0};
int res_offset = CLIParamHexToBuf(arg_get_str(ctx, 2), offset, 3, &offsetlength);
int flength = 0;
uint8_t filesize[3] = {0};
int res_flen = CLIParamHexToBuf(arg_get_str(ctx, 3), filesize, 3, &flength);
int type = arg_get_int(ctx, 4);
int aidlength = 3;
uint8_t aid[3] = {0};
CLIGetHexWithReturn(ctx, 5, aid, &aidlength);
swap24(aid);
CLIParserFree(ctx);
if (type > 1) {
PrintAndLogEx(ERR, "Invalid file type (0 = Standard/Backup, 1 = Record)");
return PM3_EINVARG;
}
if (res_offset || (offsetlength != 3 && offsetlength != 0)) {
PrintAndLogEx(ERR, "Offset needs 3 hex bytes");
return PM3_EINVARG;
}
if (fno > 0x1F) {
PrintAndLogEx(ERR, "File number range is invalid (exp 0 - 31), got %d", fno);
return PM3_EINVARG;
}
if (res_flen) {
PrintAndLogEx(ERR, "File size input error");
return PM3_EINVARG;
}
swap24(filesize);
swap24(offset);
mfdes_data_t ft;
memcpy(ft.offset, offset, 3);
memcpy(ft.length, filesize, 3);
ft.fileno = fno;
uint32_t bytestoread = (uint32_t)le24toh(filesize);
bytestoread &= 0xFFFFFF;
if (bytestoread == 0)
bytestoread = 0xFFFFFF;
if (aidlength != 3 && aidlength != 0) {
PrintAndLogEx(ERR, _RED_(" The given aid must have 3 bytes (big endian)."));
return PM3_ESOFT;
} else if (aidlength == 0) {
if (memcmp(&tag->selected_application, aid, 3) == 0) {
PrintAndLogEx(ERR, _RED_(" You need to select an aid first."));
return PM3_ESOFT;
}
memcpy(aid, (uint8_t *)&tag->selected_application, 3);
}
uint8_t cs = 0;
if (selectfile(aid, ft.fileno, &cs) != PM3_SUCCESS) {
PrintAndLogEx(ERR, _RED_(" Error on selecting file."));
return PM3_ESOFT;
}
uint8_t *data = (uint8_t *)calloc(bytestoread, sizeof(uint8_t));
int res = PM3_ESOFT;
if (data != NULL) {
ft.data = data;
res = handler_desfire_readdata(&ft, type, cs);
if (res == PM3_SUCCESS) {
uint32_t len = le24toh(ft.length);
PrintAndLogEx(SUCCESS, "Read %u bytes from file %d", ft.fileno, len);
PrintAndLogEx(INFO, "Offset | Data | Ascii");
PrintAndLogEx(INFO, "----------------------------------------------------------------------------");
for (uint32_t i = 0; i < len; i += 16) {
uint32_t l = len - i;
PrintAndLogEx(INFO, "%3d/0x%02X | %s| %s", i, i, sprint_hex(&ft.data[i], l > 16 ? 16 : l), sprint_ascii(&ft.data[i], l > 16 ? 16 : l));
}
} else {
PrintAndLogEx(ERR, "Couldn't read data. Error %d", res);
DropFieldDesfire();
return res;
}
free(data);
}
DropFieldDesfire();
return res;
}
static int CmdHF14ADesWriteData(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "hf mfdes write",
"Write data to file\n"
"Make sure to select aid or authenticate aid before running this command.",
"hf mfdes write -n 01 -t 0 -o 000000 -d 3132333435363738"
);
void *argtable[] = {
arg_param_begin,
arg_int0("n", "fileno", "<dec>", "File Number (0 - 31)"),
arg_strx0("o", "offset", "<hex>", "File Offset (3 hex bytes, big endian), optional"),
arg_strx0("d", "data", "<hex>", "Data to write (hex bytes, 256 bytes max)"),
arg_int0("t", "type", "<dec>", "File Type (0 = Standard / Backup, 1 = Record)"),
arg_strx0("a", "aid", "<hex>", "App ID to select as hex bytes (3 bytes, big endian)"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
int fno = arg_get_int_def(ctx, 1, 0);
int offsetlength = 0;
uint8_t offset[3] = {0};
int res_offset = CLIParamHexToBuf(arg_get_str(ctx, 2), offset, 3, &offsetlength);
// iceman: we only have a 1024 byte commandline input array. So this is pointlessly large.
// with 2char hex, 512bytes could be input.
// Instead large binary inputs should be BINARY files and written to card.
int dlength = 512;
uint8_t data[512] = {0};
int res_data = CLIParamHexToBuf(arg_get_str(ctx, 3), data, 512, &dlength);
int type = arg_get_int(ctx, 4);
int aidlength = 3;
uint8_t aid[3] = {0};
CLIGetHexWithReturn(ctx, 5, aid, &aidlength);
swap24(aid);
CLIParserFree(ctx);
swap24(offset);
if (type < 0 || type > 1) {
PrintAndLogEx(ERR, "Unknown type (0=Standard/Backup, 1=Record)");
return PM3_EINVARG;
}
if (res_data || dlength == 0) {
PrintAndLogEx(ERR, "Data needs some hex bytes to write");
return PM3_EINVARG;
}
if (res_offset || (offsetlength != 3 && offsetlength != 0)) {
PrintAndLogEx(ERR, "Offset needs 3 hex bytes");
return PM3_EINVARG;
}
if (fno > 0x1F) {
PrintAndLogEx(ERR, "File number range is invalid (exp 0 - 31), got %d", fno);
return PM3_EINVARG;
}
mfdes_data_t ft;
memcpy(ft.offset, offset, 3);
htole24(dlength, ft.length);
ft.fileno = fno;
if (aidlength != 3 && aidlength != 0) {
PrintAndLogEx(ERR, _RED_(" The given aid must have 3 bytes (big endian)."));
return PM3_ESOFT;
} else if (aidlength == 0) {
if (memcmp(&tag->selected_application, aid, 3) == 0) {
PrintAndLogEx(ERR, _RED_(" You need to select an aid first."));
return PM3_ESOFT;
}
memcpy(aid, (uint8_t *)&tag->selected_application, 3);
}
uint8_t cs = 0;
if (selectfile(aid, fno, &cs) != PM3_SUCCESS) {
PrintAndLogEx(ERR, _RED_(" Error on selecting file."));
DropFieldDesfire();
return PM3_ESOFT;
}
int res = PM3_ESOFT;
ft.data = data;
res = handler_desfire_writedata(&ft, type, cs);
if (res == PM3_SUCCESS) {
PrintAndLogEx(SUCCESS, "Successfully wrote data");
} else {
PrintAndLogEx(ERR, "Couldn't read data. Error %d", res);
}
DropFieldDesfire();
return res;
}
}*/
static int CmdHF14ADesInfo(const char *Cmd) {
CLIParserContext *ctx;
@ -4125,6 +3912,7 @@ static int CmdHF14ADesChangeKey(const char *Cmd) {
CLIGetHexWithReturn(ctx, 13, keydata, &oldkeylen);
if (oldkeylen && oldkeylen != desfire_get_key_length(oldkeytype)) {
PrintAndLogEx(ERR, "%s old key must have %d bytes length instead of %d.", CLIGetOptionListStr(DesfireAlgoOpts, oldkeytype), desfire_get_key_length(oldkeytype), oldkeylen);
CLIParserFree(ctx);
return PM3_EINVARG;
}
if (oldkeylen)
@ -4144,6 +3932,7 @@ static int CmdHF14ADesChangeKey(const char *Cmd) {
CLIGetHexWithReturn(ctx, 16, keydata, &keylen);
if (keylen && keylen != desfire_get_key_length(newkeytype)) {
PrintAndLogEx(ERR, "%s new key must have %d bytes length instead of %d.", CLIGetOptionListStr(DesfireAlgoOpts, newkeytype), desfire_get_key_length(newkeytype), keylen);
CLIParserFree(ctx);
return PM3_EINVARG;
}
if (keylen)
@ -5538,7 +5327,7 @@ static int CmdHF14ADesChFileSettings(const char *Cmd) {
// print the new file settings
if (verbose)
PrintAndLogEx(INFO, "app %06x file %02x settings[%d]: %s", appid, fileid, datalen - 1, sprint_hex(settings, datalen - 1));
PrintAndLogEx(INFO, "app %06x file %02x settings[%zu]: %s", appid, fileid, datalen - 1, sprint_hex(settings, datalen - 1));
DesfirePrintSetFileSettings(settings, datalen - 1);
@ -6286,7 +6075,7 @@ static int CmdHF14ADesValueOperations(const char *Cmd) {
} else {
res = DesfireCommitTransaction(&dctx, false, 0);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Desfire CommitTrqansaction command " _RED_("error") ". Result: %d", res);
PrintAndLogEx(ERR, "Desfire CommitTransaction command " _RED_("error") ". Result: %d", res);
DropField();
return PM3_ESOFT;
}
@ -6342,7 +6131,7 @@ static int CmdHF14ADesValueOperations(const char *Cmd) {
res = DesfireCommitTransaction(&dctx, false, 0);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Desfire CommitTrqansaction command " _RED_("error") ". Result: %d", res);
PrintAndLogEx(ERR, "Desfire CommitTransaction command " _RED_("error") ". Result: %d", res);
DropField();
return PM3_ESOFT;
}
@ -6443,6 +6232,500 @@ static int CmdHF14ADesClearRecordFile(const char *Cmd) {
return PM3_SUCCESS;
}
static int CmdHF14ADesReadData(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "hf mfdes read",
"Read data from file. Key needs to be provided or flag --no-auth set (depend on file settings).",
"hf mfdes read --aid 123456 --fid 01 -> read file: app=123456, file=01, offset=0, all the data. use default channel settings from `default` command\n"
"hf mfdes read --aid 123456 --fid 01 --type record --offset 000000 --length 000001 -> read one last record from record file. use default channel settings from `default` command");
void *argtable[] = {
arg_param_begin,
arg_lit0("a", "apdu", "show APDU requests and responses"),
arg_lit0("v", "verbose", "show technical data"),
arg_int0("n", "keyno", "<keyno>", "Key number"),
arg_str0("t", "algo", "<DES/2TDEA/3TDEA/AES>", "Crypt algo: DES, 2TDEA, 3TDEA, AES"),
arg_str0("k", "key", "<Key>", "Key for authenticate (HEX 8(DES), 16(2TDEA or AES) or 24(3TDEA) bytes)"),
arg_str0("f", "kdf", "<none/AN10922/gallagher>", "Key Derivation Function (KDF): None, AN10922, Gallagher"),
arg_str0("i", "kdfi", "<kdfi>", "KDF input (HEX 1-31 bytes)"),
arg_str0("m", "cmode", "<plain/mac/encrypt>", "Communicaton mode: plain/mac/encrypt"),
arg_str0("c", "ccset", "<native/niso/iso>", "Communicaton command set: native/niso/iso"),
arg_str0("s", "schann", "<d40/ev1/ev2>", "Secure channel: d40/ev1/ev2"),
arg_str0(NULL, "aid", "<app id hex>", "Application ID (3 hex bytes, big endian)"),
arg_str0(NULL, "fid", "<file id hex>", "File ID (1 hex byte)"),
arg_lit0(NULL, "no-auth", "execute without authentication"),
arg_str0(NULL, "type", "<auto/data/value/record/mac>", "File Type auto/data(Standard/Backup)/value/record(linear/cyclic)/mac). Auto - check file settings and then read. Default: auto"),
arg_str0("o", "offset", "<hex>", "File Offset (3 hex bytes, big endian). For records - record number (0 - lastest record). Default 0"),
arg_str0("l", "length", "<hex>", "Length to read (3 hex bytes, big endian -> 000000 = Read all data). For records - records count (0 - all). Default 0."),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
bool APDULogging = arg_get_lit(ctx, 1);
bool verbose = arg_get_lit(ctx, 2);
bool noauth = arg_get_lit(ctx, 13);
DesfireContext dctx;
int securechann = defaultSecureChannel;
uint32_t appid = 0x000000;
int res = CmdDesGetSessionParameters(ctx, &dctx, 3, 4, 5, 6, 7, 8, 9, 10, 11, &securechann, DCMPlain, &appid);
if (res) {
CLIParserFree(ctx);
return res;
}
uint32_t fnum = 1;
res = arg_get_u32_hexstr_def_nlen(ctx, 12, 1, &fnum, 1, true);
if (res == 2) {
PrintAndLogEx(ERR, "File ID must have 1 byte length");
CLIParserFree(ctx);
return PM3_EINVARG;
}
int op = RFTAuto;
if (CLIGetOptionList(arg_get_str(ctx, 14), DesfireReadFileTypeOpts, &op)) {
CLIParserFree(ctx);
return PM3_ESOFT;
}
uint32_t offset = 0;
res = arg_get_u32_hexstr_def_nlen(ctx, 15, 0, &offset, 3, true);
if (res == 2) {
PrintAndLogEx(ERR, "Offset must have 3 byte length");
CLIParserFree(ctx);
return PM3_EINVARG;
}
uint32_t length = 0;
res = arg_get_u32_hexstr_def_nlen(ctx, 16, 0, &length, 3, true);
if (res == 2) {
PrintAndLogEx(ERR, "Length must have 3 byte length");
CLIParserFree(ctx);
return PM3_EINVARG;
}
SetAPDULogging(APDULogging);
CLIParserFree(ctx);
if (fnum > 0x1F) {
PrintAndLogEx(ERR, "File number range is invalid (exp 0 - 31), got %d", fnum);
return PM3_EINVARG;
}
if (noauth) {
res = DesfireSelectAIDHex(&dctx, appid, false, 0);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Desfire select " _RED_("error") ".");
DropField();
return res;
}
} else {
res = DesfireSelectAndAuthenticate(&dctx, securechann, appid, verbose);
if (res != PM3_SUCCESS) {
DropField();
return res;
}
}
// length of record for record file
size_t reclen = 0;
// get file settings
if (op == RFTAuto) {
FileSettingsS fsettings;
DesfireCommunicationMode commMode = dctx.commMode;
DesfireSetCommMode(&dctx, DCMPlain);
res = DesfireGetFileSettingsStruct(&dctx, fnum, &fsettings);
DesfireSetCommMode(&dctx, commMode);
if (res == PM3_SUCCESS) {
switch(fsettings.fileType) {
case 0x00:
case 0x01: {
op = RFTData;
break;
}
case 0x02: {
op = RFTValue;
break;
}
case 0x03:
case 0x04: {
op = RFTRecord;
reclen = fsettings.recordSize;
break;
}
case 0x05: {
op = RFTMAC;
break;
}
default: {
break;
}
}
DesfireSetCommMode(&dctx, fsettings.commMode);
if (fsettings.fileCommMode != 0 && noauth)
PrintAndLogEx(WARNING, "File needs communication mode `%s` but there is no authentication", CLIGetOptionListStr(DesfireCommunicationModeOpts, fsettings.commMode));
if (verbose)
PrintAndLogEx(INFO, "Got file type: %s. Option: %s. comm mode: %s",
GetDesfireFileType(fsettings.fileType),
CLIGetOptionListStr(DesfireReadFileTypeOpts, op),
CLIGetOptionListStr(DesfireCommunicationModeOpts, fsettings.commMode));
} else {
PrintAndLogEx(WARNING, "GetFileSettings error. Can't get file type.");
}
}
PrintAndLogEx(INFO, "-------------- " _CYAN_("File data") " --------------");
uint8_t resp[2048] = {0};
size_t resplen = 0;
if (op == RFTData) {
res = DesfireReadFile(&dctx, fnum, offset, length, resp, &resplen);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Desfire ReadFile command " _RED_("error") ". Result: %d", res);
DropField();
return PM3_ESOFT;
}
if (resplen > 0) {
PrintAndLogEx(SUCCESS, "Read %u bytes from file 0x%02x offset %u", resplen, fnum, offset);
print_buffer_with_offset(resp, resplen, offset, true);
} else {
PrintAndLogEx(SUCCESS, "Read operation returned no data from file %d", fnum);
}
}
if (op == RFTValue) {
uint32_t value = 0;
res = DesfireValueFileOperations(&dctx, fnum, MFDES_GET_VALUE, &value);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Desfire GetValue operation " _RED_("error") ". Result: %d", res);
DropField();
return PM3_ESOFT;
}
PrintAndLogEx(SUCCESS, "Read file 0x%02x value: %d (0x%08x)", fnum, value, value);
}
if (op == RFTRecord) {
resplen = 0;
if (reclen == 0) {
res = DesfireReadRecords(&dctx, fnum, offset, 1, resp, &resplen);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Desfire ReadRecords (len=1) command " _RED_("error") ". Result: %d", res);
DropField();
return PM3_ESOFT;
}
reclen = resplen;
}
if (verbose)
PrintAndLogEx(INFO, "Record length %zu", reclen);
// if we got one record via the DesfireReadRecords before -- we not need to get it 2nd time
if (length != 1 || resplen == 0) {
res = DesfireReadRecords(&dctx, fnum, offset, length, resp, &resplen);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Desfire ReadRecords command " _RED_("error") ". Result: %d", res);
DropField();
return PM3_ESOFT;
}
}
if (resplen > 0) {
size_t reccount = resplen / reclen;
PrintAndLogEx(SUCCESS, "Read %u bytes from file 0x%02x from record %d record count %zu record length %zu", resplen, fnum, offset, reccount, reclen);
if (reccount > 1)
PrintAndLogEx(SUCCESS, "Lastest record at the bottom.");
for (int i = 0; i < reccount; i++) {
if (i != 0)
PrintAndLogEx(SUCCESS, "Record %d", reccount - (i + offset + 1));
print_buffer_with_offset(&resp[i * reclen], reclen, offset, (i == 0));
}
} else {
PrintAndLogEx(SUCCESS, "Read operation returned no data from file %d", fnum);
}
}
if (op == RFTMAC) {
res = DesfireReadFile(&dctx, fnum, 0, 0, resp, &resplen);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Desfire ReadFile command " _RED_("error") ". Result: %d", res);
DropField();
return PM3_ESOFT;
}
if (resplen > 0) {
if (resplen != 12) {
PrintAndLogEx(WARNING, "Read wrong %u bytes from file 0x%02x offset %u", resplen, fnum, offset);
print_buffer_with_offset(resp, resplen, offset, true);
} else {
uint32_t cnt = MemLeToUint4byte(&resp[0]);
PrintAndLogEx(SUCCESS, "Transaction counter: %d (0x%08x)", cnt, cnt);
PrintAndLogEx(SUCCESS, "Transaction MAC : %s", sprint_hex(&resp[4], 8));
}
} else {
PrintAndLogEx(SUCCESS, "Read operation returned no data from file %d", fnum);
}
}
DropField();
return PM3_SUCCESS;
}
static int CmdHF14ADesWriteData(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "hf mfdes write",
"Write data from file. Key needs to be provided or flag --no-auth set (depend on file settings).",
"hf mfdes write --aid 123456 --fid 01 -d 01020304 -> write file: app=123456, file=01, offset=0, get file type from card. use default channel settings from `default` command\n"
"hf mfdes write --aid 123456 --fid 01 --type data -d 01020304 --0ffset 000100 -> write data to std file with offset 0x100\n"
"hf mfdes write --aid 123456 --fid 01 --type data -d 01020304 --commit -> write data to backup file with commit\n"
"hf mfdes write --aid 123456 --fid 01 --type value -d 00000001 -> increment value file\n"
"hf mfdes write --aid 123456 --fid 01 --type value -d 00000001 --debit -> decrement value file\n"
"hf mfdes write --aid 123456 --fid 01 -d 01020304 -> write data to record file with `auto` type\n"
"hf mfdes write --aid 123456 --fid 01 --type record -d 01020304 -> write data to record file\n"
"hf mfdes write --aid 123456 --fid 01 --type record -d 01020304 --updaterec 0 -> update record in the record file. record 0 - lastest record.\n"
"hf mfdes write --aid 123456 --fid 01 --type record --offset 000000 -d 11223344 -> write record to record file. use default channel settings from `default` command");
void *argtable[] = {
arg_param_begin,
arg_lit0("a", "apdu", "show APDU requests and responses"),
arg_lit0("v", "verbose", "show technical data"),
arg_int0("n", "keyno", "<keyno>", "Key number"),
arg_str0("t", "algo", "<DES/2TDEA/3TDEA/AES>", "Crypt algo: DES, 2TDEA, 3TDEA, AES"),
arg_str0("k", "key", "<Key>", "Key for authenticate (HEX 8(DES), 16(2TDEA or AES) or 24(3TDEA) bytes)"),
arg_str0("f", "kdf", "<none/AN10922/gallagher>", "Key Derivation Function (KDF): None, AN10922, Gallagher"),
arg_str0("i", "kdfi", "<kdfi>", "KDF input (HEX 1-31 bytes)"),
arg_str0("m", "cmode", "<plain/mac/encrypt>", "Communicaton mode: plain/mac/encrypt"),
arg_str0("c", "ccset", "<native/niso/iso>", "Communicaton command set: native/niso/iso"),
arg_str0("s", "schann", "<d40/ev1/ev2>", "Secure channel: d40/ev1/ev2"),
arg_str0(NULL, "aid", "<app id hex>", "Application ID (3 hex bytes, big endian)"),
arg_str0(NULL, "fid", "<file id hex>", "File ID (1 hex byte)"),
arg_lit0(NULL, "no-auth", "execute without authentication"),
arg_str0(NULL, "type", "<auto/data/value/record/mac>", "File Type auto/data(Standard/Backup)/value/record(linear/cyclic)/mac). Auto - check file settings and then write. Default: auto"),
arg_str0("o", "offset", "<hex>", "File Offset (3 hex bytes, big endian). For records - record number (0 - lastest record). Default 0"),
arg_str0("d", "data", "<hex>", "data for write (data/record file), credit/debit(value file)"),
arg_lit0(NULL, "debit", "use for value file debit operation instead of credit"),
arg_lit0(NULL, "commit", "commit needs for backup file only. For the other file types and in the `auto` mode - command set it automatically."),
arg_int0(NULL, "updaterec", "<record number dec>", "Record number for update record command. Updates record instead of write. Lastest record - 0"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
bool APDULogging = arg_get_lit(ctx, 1);
bool verbose = arg_get_lit(ctx, 2);
bool noauth = arg_get_lit(ctx, 13);
DesfireContext dctx;
int securechann = defaultSecureChannel;
uint32_t appid = 0x000000;
int res = CmdDesGetSessionParameters(ctx, &dctx, 3, 4, 5, 6, 7, 8, 9, 10, 11, &securechann, DCMPlain, &appid);
if (res) {
CLIParserFree(ctx);
return res;
}
uint32_t fnum = 1;
res = arg_get_u32_hexstr_def_nlen(ctx, 12, 1, &fnum, 1, true);
if (res == 2) {
PrintAndLogEx(ERR, "File ID must have 1 byte length");
CLIParserFree(ctx);
return PM3_EINVARG;
}
int op = RFTAuto;
if (CLIGetOptionList(arg_get_str(ctx, 14), DesfireReadFileTypeOpts, &op)) {
CLIParserFree(ctx);
return PM3_ESOFT;
}
uint32_t offset = 0;
res = arg_get_u32_hexstr_def_nlen(ctx, 15, 0, &offset, 3, true);
if (res == 2) {
PrintAndLogEx(ERR, "Offset must have 3 byte length");
CLIParserFree(ctx);
return PM3_EINVARG;
}
uint8_t data[1024] = {0};
int datalen = sizeof(data);
CLIGetHexWithReturn(ctx, 16, data, &datalen);
if (datalen == 0) {
PrintAndLogEx(ERR, "Data for write must be present.");
CLIParserFree(ctx);
return PM3_EINVARG;
}
bool debit = arg_get_lit(ctx, 17);
bool commit = arg_get_lit(ctx, 18);
int updaterecno = arg_get_int_def(ctx, 19, -1);
SetAPDULogging(APDULogging);
CLIParserFree(ctx);
if (fnum > 0x1F) {
PrintAndLogEx(ERR, "File number range is invalid (exp 0 - 31), got %d", fnum);
return PM3_EINVARG;
}
if (noauth) {
res = DesfireSelectAIDHex(&dctx, appid, false, 0);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Desfire select " _RED_("error") ".");
DropField();
return res;
}
} else {
res = DesfireSelectAndAuthenticate(&dctx, securechann, appid, verbose);
if (res != PM3_SUCCESS) {
DropField();
return res;
}
}
// get file settings
if (op == RFTAuto) {
FileSettingsS fsettings;
DesfireCommunicationMode commMode = dctx.commMode;
DesfireSetCommMode(&dctx, DCMPlain);
res = DesfireGetFileSettingsStruct(&dctx, fnum, &fsettings);
DesfireSetCommMode(&dctx, commMode);
if (res == PM3_SUCCESS) {
switch(fsettings.fileType) {
case 0x00:
case 0x01: {
op = RFTData;
commit = (fsettings.fileType == 0x01);
break;
}
case 0x02: {
op = RFTValue;
commit = true;
break;
}
case 0x03:
case 0x04: {
op = RFTRecord;
commit = true;
if (datalen > fsettings.recordSize)
PrintAndLogEx(WARNING, "Record size (%d) " _RED_("is less") " than data length (%d)", fsettings.recordSize, datalen);
break;
}
case 0x05: {
op = RFTMAC;
commit = false;
break;
}
default: {
break;
}
}
DesfireSetCommMode(&dctx, fsettings.commMode);
if (fsettings.fileCommMode != 0 && noauth)
PrintAndLogEx(WARNING, "File needs communication mode `%s` but there is no authentication", CLIGetOptionListStr(DesfireCommunicationModeOpts, fsettings.commMode));
if (verbose)
PrintAndLogEx(INFO, "Got file type: %s. Option: %s. comm mode: %s",
GetDesfireFileType(fsettings.fileType),
CLIGetOptionListStr(DesfireReadFileTypeOpts, op),
CLIGetOptionListStr(DesfireCommunicationModeOpts, fsettings.commMode));
} else {
PrintAndLogEx(WARNING, "GetFileSettings error. Can't get file type.");
}
}
if (op == RFTData) {
res = DesfireWriteFile(&dctx, fnum, offset, datalen, data);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Desfire WriteFile command " _RED_("error") ". Result: %d", res);
DropField();
return PM3_ESOFT;
}
if (verbose)
PrintAndLogEx(INFO, "Write data file %02x " _GREEN_("success"), fnum);
}
if (op == RFTValue) {
if (datalen != 4) {
PrintAndLogEx(ERR, "Value " _RED_("should be") " 4 byte length instead of %d", datalen);
DropField();
return PM3_EINVARG;
}
uint32_t value = MemBeToUint4byte(data);
uint8_t vop = (debit) ? MFDES_DEBIT : MFDES_CREDIT;
res = DesfireValueFileOperations(&dctx, fnum, vop, &value);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Desfire %s operation " _RED_("error") ". Result: %d", CLIGetOptionListStr(DesfireValueFileOperOpts, vop), res);
DropField();
return PM3_ESOFT;
}
if (verbose)
PrintAndLogEx(INFO, "%s value file %02x (%s) " _GREEN_("success"), (debit) ? "Debit" : "Credit", fnum, CLIGetOptionListStr(DesfireValueFileOperOpts, vop));
commit = true;
}
if (op == RFTRecord) {
if (updaterecno < 0) {
res = DesfireWriteRecord(&dctx, fnum, offset, datalen, data);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Desfire WriteRecord command " _RED_("error") ". Result: %d", res);
DropField();
return PM3_ESOFT;
}
if (verbose)
PrintAndLogEx(INFO, "Write record file %02x " _GREEN_("success"), fnum);
} else {
res = DesfireUpdateRecord(&dctx, fnum, updaterecno, offset, datalen, data);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Desfire UpdateRecord command " _RED_("error") ". Result: %d", res);
DropField();
return PM3_ESOFT;
}
if (verbose)
PrintAndLogEx(INFO, "Update record %06x in the file %02x " _GREEN_("success"), updaterecno, fnum);
}
commit = true;
}
if (op == RFTMAC) {
PrintAndLogEx(ERR, "Can't " _RED_("write") " to transaction MAC file");
DropField();
return PM3_EINVARG;
}
// commit phase
if (commit) {
res = DesfireCommitTransaction(&dctx, false, 0);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "Desfire CommitTransaction command " _RED_("error") ". Result: %d", res);
DropField();
return PM3_ESOFT;
}
if (verbose)
PrintAndLogEx(INFO, "Commit " _GREEN_("OK"));
}
PrintAndLogEx(INFO, "Write %s file %02x " _GREEN_("success"), CLIGetOptionListStr(DesfireReadFileTypeOpts, op), fnum);
DropField();
return PM3_SUCCESS;
}
static int CmdHF14ADesTest(const char *Cmd) {
DesfireTest(true);
return PM3_SUCCESS;
@ -6486,8 +6769,8 @@ static command_t CommandTable[] = {
{"getfilesettings", CmdHF14ADesGetFileSettings, IfPm3Iso14443a, "[new]Get file settings"},
{"chfilesettings", CmdHF14ADesChFileSettings, IfPm3Iso14443a, "[new]Change file settings"},
{"dump", CmdHF14ADesDump, IfPm3Iso14443a, "Dump all files"},
{"read", CmdHF14ADesReadData, IfPm3Iso14443a, "Read data from standard/backup/record file"},
{"write", CmdHF14ADesWriteData, IfPm3Iso14443a, "Write data to standard/backup/record file"},
{"read", CmdHF14ADesReadData, IfPm3Iso14443a, "[new]Read data from standard/backup/record/value/mac file"},
{"write", CmdHF14ADesWriteData, IfPm3Iso14443a, "[new]Write data to standard/backup/record/value file"},
{"value", CmdHF14ADesValueOperations, IfPm3Iso14443a, "[new]Operations with value file (get/credit/limited credit/debit/clear)"},
{"clearrecfile", CmdHF14ADesClearRecordFile, IfPm3Iso14443a, "[new]Clear record File"},
{"-----------", CmdHelp, IfPm3Iso14443a, "----------------------- " _CYAN_("System") " -----------------------"},

33
client/src/cmdlft55xx.c
View file

@ -942,6 +942,27 @@ static int CmdT55xxDetect(const char *Cmd) {
// detect called so clear data blocks
T55x7_ClearAllBlockData();
// make sure decimate == 1
sample_config curr_lf_config;
memset(&curr_lf_config, 0, sizeof(sample_config));
res = lf_getconfig(&curr_lf_config);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "failed to get current device LF config");
return res;
}
int8_t old_decimation = curr_lf_config.decimation;
if (curr_lf_config.decimation != 1) {
curr_lf_config.decimation = 1;
curr_lf_config.verbose = false;
res = lf_config(&curr_lf_config);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "failed to set LF configuration decimation value to 1");
return res;
}
}
// sanity check.
if (SanityOfflineCheck(use_gb) != PM3_SUCCESS)
return PM3_ESOFT;
@ -1016,6 +1037,18 @@ static int CmdT55xxDetect(const char *Cmd) {
config.pwd = 0x00;
PrintAndLogEx(WARNING, "Could not detect modulation automatically. Try setting it manually with " _YELLOW_("\'lf t55xx config\'"));
}
if (old_decimation != curr_lf_config.decimation) {
curr_lf_config.decimation = old_decimation;
curr_lf_config.verbose = false;
res = lf_config(&curr_lf_config);
if (res != PM3_SUCCESS) {
PrintAndLogEx(ERR, "failed to restore LF configuration");
return res;
}
}
return PM3_SUCCESS;
}

131
client/src/mifare/desfirecore.c
View file

@ -103,6 +103,15 @@ const CLIParserOption DesfireValueFileOperOpts[] = {
{0, NULL},
};
const CLIParserOption DesfireReadFileTypeOpts[] = {
{RFTAuto, "auto"},
{RFTData, "data"},
{RFTValue, "value"},
{RFTRecord, "record"},
{RFTMAC, "mac"},
{0, NULL},
};
static const char *getstatus(uint16_t *sw) {
if (sw == NULL) return "--> sw argument error. This should never happen !";
if (((*sw >> 8) & 0xFF) == 0x91) {
@ -1058,6 +1067,16 @@ int DesfireGetFileSettings(DesfireContext *dctx, uint8_t fileid, uint8_t *resp,
return DesfireCommand(dctx, MFDES_GET_FILE_SETTINGS, &fileid, 1, resp, resplen, -1);
}
int DesfireGetFileSettingsStruct(DesfireContext *dctx, uint8_t fileid, FileSettingsS *fsettings) {
uint8_t resp[250] = {0};
size_t resplen = 0;
int res = DesfireGetFileSettings(dctx, fileid, resp, &resplen);
if (res == PM3_SUCCESS && resplen > 0 && fsettings != NULL)
DesfireFillFileSettings(resp, resplen, fsettings);
return res;
}
int DesfireCreateFile(DesfireContext *dctx, uint8_t ftype, uint8_t *fdata, size_t fdatalen, bool checklen) {
const DesfireCreateFileCommandsS *rcmd = GetDesfireFileCmdRec(ftype);
if (rcmd == NULL)
@ -1087,8 +1106,27 @@ int DesfireAbortTransaction(DesfireContext *dctx) {
return DesfireCommandNoData(dctx, MFDES_ABORT_TRANSACTION);
}
int DesfireReadFile(DesfireContext *dctx, uint8_t fnum, uint32_t offset, uint32_t len, uint8_t *resp, size_t *resplen) {
uint8_t data[10] = {0};
data[0] = fnum;
Uint3byteToMemLe(&data[1], offset);
Uint3byteToMemLe(&data[4], len);
return DesfireCommand(dctx, MFDES_READ_DATA, data, 7, resp, resplen, -1);
}
int DesfireWriteFile(DesfireContext *dctx, uint8_t fnum, uint32_t offset, uint32_t len, uint8_t *data) {
uint8_t xdata[1024] = {0};
xdata[0] = fnum;
Uint3byteToMemLe(&xdata[1], offset);
Uint3byteToMemLe(&xdata[4], len);
memcpy(&xdata[7], data, len);
return DesfireCommandTxData(dctx, MFDES_WRITE_DATA, xdata, 7 + len);
}
int DesfireValueFileOperations(DesfireContext *dctx, uint8_t fid, uint8_t operation, uint32_t *value) {
uint8_t data[250] = {0};
uint8_t data[10] = {0};
data[0] = fid;
size_t datalen = (operation == MFDES_GET_VALUE) ? 1 : 5;
if (value)
@ -1104,6 +1142,35 @@ int DesfireValueFileOperations(DesfireContext *dctx, uint8_t fid, uint8_t operat
return res;
}
int DesfireReadRecords(DesfireContext *dctx, uint8_t fnum, uint32_t recnum, uint32_t reccount, uint8_t *resp, size_t *resplen) {
uint8_t data[10] = {0};
data[0] = fnum;
Uint3byteToMemLe(&data[1], recnum);
Uint3byteToMemLe(&data[4], reccount);
return DesfireCommand(dctx, MFDES_READ_RECORDS, data, 7, resp, resplen, -1);
}
int DesfireWriteRecord(DesfireContext *dctx, uint8_t fnum, uint32_t offset, uint32_t len, uint8_t *data) {
uint8_t xdata[1024] = {0};
xdata[0] = fnum;
Uint3byteToMemLe(&xdata[1], offset);
Uint3byteToMemLe(&xdata[4], len);
memcpy(&xdata[7], data, len);
return DesfireCommandTxData(dctx, MFDES_WRITE_RECORD, xdata, 7 + len);
}
int DesfireUpdateRecord(DesfireContext *dctx, uint8_t fnum, uint32_t recnum, uint32_t offset, uint32_t len, uint8_t *data) {
uint8_t xdata[1024] = {0};
xdata[0] = fnum;
Uint3byteToMemLe(&xdata[1], recnum);
Uint3byteToMemLe(&xdata[4], offset);
Uint3byteToMemLe(&xdata[7], len);
memcpy(&xdata[10], data, len);
return DesfireCommandTxData(dctx, MFDES_UPDATE_RECORD, xdata, 10 + len);
}
uint8_t DesfireKeyAlgoToType(DesfireCryptoAlgorythm keyType) {
switch (keyType) {
@ -1298,6 +1365,67 @@ void DesfirePrintAccessRight(uint8_t *data) {
PrintAndLogEx(SUCCESS, "change : %s", GetDesfireAccessRightStr(ch));
}
void DesfireFillFileSettings(uint8_t *data, size_t datalen, FileSettingsS *fsettings) {
if (fsettings == NULL)
return;
memset(fsettings, 0, sizeof(FileSettingsS));
if (datalen < 4)
return;
fsettings->fileType = data[0];
fsettings->fileOption = data[1];
fsettings->fileCommMode = data[1] & 0x03;
fsettings->commMode = DesfireFileCommModeToCommMode(fsettings->fileCommMode);
fsettings->additionalAccessRightsEn = ((data[1] & 0x80) != 0);
fsettings->rawAccessRights = MemLeToUint2byte(&data[2]);
DesfireDecodeFileAcessMode(&data[2], &fsettings->rAccess, &fsettings->wAccess, &fsettings->rwAccess, &fsettings->chAccess);
int reclen = 0;
switch (fsettings->fileType) {
case 0x00:
case 0x01: {
fsettings->fileSize = MemLeToUint3byte(&data[4]);
reclen = 4 + 3;
break;
}
case 0x02: {
fsettings->lowerLimit = MemLeToUint4byte(&data[4]);
fsettings->upperLimit = MemLeToUint4byte(&data[8]);
fsettings->value = MemLeToUint4byte(&data[12]);
fsettings->limitedCredit = data[16];
reclen = 4 + 13;
break;
}
case 0x03:
case 0x04: {
fsettings->recordSize = MemLeToUint3byte(&data[4]);
fsettings->maxRecordCount = MemLeToUint3byte(&data[7]);
fsettings->curRecordCount = MemLeToUint3byte(&data[10]);
reclen = 4 + 9;
break;
}
case 0x05: {
fsettings->keyType = data[4];
fsettings->keyVersion = data[5];
break;
}
default: {
break;
}
}
if (fsettings->additionalAccessRightsEn && reclen > 0 && datalen > reclen && datalen == reclen + data[reclen] * 2) {
fsettings->additionalAccessRightsLength = data[reclen];
for (int i = 0; i < fsettings->additionalAccessRightsLength; i++) {
fsettings->additionalAccessRights[i] = MemLeToUint2byte(&data[reclen + 1 + i * 2]);
}
}
}
static void DesfirePrintFileSettDynPart(uint8_t filetype, uint8_t *data, size_t datalen, uint8_t *dynlen, bool create) {
switch (filetype) {
case 0x00:
@ -1450,7 +1578,6 @@ void DesfirePrintCreateFileSettings(uint8_t filetype, uint8_t *data, size_t len)
xlen += reclen;
}
int DesfireChangeKey(DesfireContext *dctx, bool change_master_key, uint8_t newkeynum, DesfireCryptoAlgorythm newkeytype, uint32_t newkeyver, uint8_t *newkey, DesfireCryptoAlgorythm oldkeytype, uint8_t *oldkey, bool verbose) {
uint8_t okeybuf[DESFIRE_MAX_KEY_SIZE] = {0};

55
client/src/mifare/desfirecore.h
View file

@ -28,6 +28,52 @@ typedef struct {
const bool mayHaveISOfid;
} DesfireCreateFileCommandsS;
typedef struct {
// all
uint8_t fileType;
uint8_t fileOption;
uint8_t fileCommMode;
DesfireCommunicationMode commMode;
bool additionalAccessRightsEn;
uint16_t rawAccessRights;
uint8_t rAccess;
uint8_t wAccess;
uint8_t rwAccess;
uint8_t chAccess;
// data
uint32_t fileSize;
//value
uint32_t lowerLimit;
uint32_t upperLimit;
uint32_t value;
uint8_t limitedCredit;
// record
uint32_t recordSize;
uint32_t maxRecordCount;
uint32_t curRecordCount;
//mac
uint8_t keyType;
uint8_t key[16];
uint8_t keyVersion;
// additional rights
uint8_t additionalAccessRightsLength;
uint16_t additionalAccessRights[16];
} FileSettingsS;
typedef enum {
RFTAuto,
RFTData,
RFTValue,
RFTRecord,
RFTMAC,
} DesfireReadOpFileType;
extern const CLIParserOption DesfireAlgoOpts[];
extern const CLIParserOption DesfireKDFAlgoOpts[];
extern const CLIParserOption DesfireCommunicationModeOpts[];
@ -35,6 +81,7 @@ extern const CLIParserOption DesfireCommandSetOpts[];
extern const CLIParserOption DesfireSecureChannelOpts[];
extern const CLIParserOption DesfireFileAccessModeOpts[];
extern const CLIParserOption DesfireValueFileOperOpts[];
extern const CLIParserOption DesfireReadFileTypeOpts[];
const char *DesfireGetErrorString(int res, uint16_t *sw);
uint32_t DesfireAIDByteToUint(uint8_t *data);
@ -75,7 +122,9 @@ int DesfireSetConfiguration(DesfireContext *dctx, uint8_t paramid, uint8_t *para
int DesfireGetFileIDList(DesfireContext *dctx, uint8_t *resp, size_t *resplen);
int DesfireGetFileISOIDList(DesfireContext *dctx, uint8_t *resp, size_t *resplen);
void DesfireFillFileSettings(uint8_t *data, size_t datalen, FileSettingsS *fsettings);
int DesfireGetFileSettings(DesfireContext *dctx, uint8_t fileid, uint8_t *resp, size_t *resplen);
int DesfireGetFileSettingsStruct(DesfireContext *dctx, uint8_t fileid, FileSettingsS *fsettings);
int DesfireChangeFileSettings(DesfireContext *dctx, uint8_t *data, size_t datalen);
const DesfireCreateFileCommandsS *GetDesfireFileCmdRec(uint8_t type);
@ -96,4 +145,10 @@ int DesfireAbortTransaction(DesfireContext *dctx);
int DesfireValueFileOperations(DesfireContext *dctx, uint8_t fid, uint8_t operation, uint32_t *value);
int DesfireClearRecordFile(DesfireContext *dctx, uint8_t fnum);
int DesfireReadFile(DesfireContext *dctx, uint8_t fnum, uint32_t offset, uint32_t len, uint8_t *resp, size_t *resplen);
int DesfireWriteFile(DesfireContext *dctx, uint8_t fnum, uint32_t offset, uint32_t len, uint8_t *data);
int DesfireReadRecords(DesfireContext *dctx, uint8_t fnum, uint32_t recnum, uint32_t reccount, uint8_t *resp, size_t *resplen);
int DesfireWriteRecord(DesfireContext *dctx, uint8_t fnum, uint32_t offset, uint32_t len, uint8_t *data);
int DesfireUpdateRecord(DesfireContext *dctx, uint8_t fnum, uint32_t recnum, uint32_t offset, uint32_t len, uint8_t *data);
#endif // __DESFIRECORE_H

58
client/src/mifare/desfirecrypto.c
View file

@ -124,7 +124,8 @@ size_t DesfireSearchCRCPos(uint8_t *data, size_t datalen, uint8_t respcode, uint
uint8_t crcdata[1024] = {0};
size_t crcposfound = 0;
for (int i = 0; i < crclen + 1; i++) {
// crc may be 00..00 and at the end of file may be padding 0x80. so we search from last zero to crclen + 2 (one for crc=0 and one for padding 0x80)
for (int i = 0; i < crclen + 2; i++) {
if (crcpos - i == 0)
break;
if (crcpos - i + crclen > datalen)
@ -211,14 +212,12 @@ static void DesfireCryptoEncDecSingleBlock(uint8_t *key, DesfireCryptoAlgorythm
memcpy(dstdata, edata, block_size);
}
void DesfireCryptoEncDecEx(DesfireContext *ctx, bool use_session_key, uint8_t *srcdata, size_t srcdatalen, uint8_t *dstdata, bool encode, uint8_t *iv) {
void DesfireCryptoEncDecEx(DesfireContext *ctx, bool use_session_key, uint8_t *srcdata, size_t srcdatalen, uint8_t *dstdata, bool dir_to_send, bool encode, uint8_t *iv) {
uint8_t data[1024] = {0};
uint8_t xiv[DESFIRE_MAX_CRYPTO_BLOCK_SIZE] = {0};
bool xencode = encode;
if (ctx->secureChannel == DACd40) {
memset(ctx->IV, 0, DESFIRE_MAX_CRYPTO_BLOCK_SIZE);
xencode = false;
}
size_t block_size = desfire_get_key_block_length(ctx->keyType);
@ -231,9 +230,9 @@ void DesfireCryptoEncDecEx(DesfireContext *ctx, bool use_session_key, uint8_t *s
size_t offset = 0;
while (offset < srcdatalen) {
if (use_session_key)
DesfireCryptoEncDecSingleBlock(ctx->sessionKeyMAC, ctx->keyType, srcdata + offset, data + offset, xiv, encode, xencode);
DesfireCryptoEncDecSingleBlock(ctx->sessionKeyMAC, ctx->keyType, srcdata + offset, data + offset, xiv, dir_to_send, encode);
else
DesfireCryptoEncDecSingleBlock(ctx->key, ctx->keyType, srcdata + offset, data + offset, xiv, encode, xencode);
DesfireCryptoEncDecSingleBlock(ctx->key, ctx->keyType, srcdata + offset, data + offset, xiv, dir_to_send, encode);
offset += block_size;
}
@ -247,7 +246,12 @@ void DesfireCryptoEncDecEx(DesfireContext *ctx, bool use_session_key, uint8_t *s
}
void DesfireCryptoEncDec(DesfireContext *ctx, bool use_session_key, uint8_t *srcdata, size_t srcdatalen, uint8_t *dstdata, bool encode) {
DesfireCryptoEncDecEx(ctx, use_session_key, srcdata, srcdatalen, dstdata, encode, NULL);
bool dir_to_send = encode;
bool xencode = encode;
if (ctx->secureChannel == DACd40)
xencode = false;
DesfireCryptoEncDecEx(ctx, use_session_key, srcdata, srcdatalen, dstdata, dir_to_send, xencode, NULL);
}
static void DesfireCMACGenerateSubkeys(DesfireContext *ctx, uint8_t *sk1, uint8_t *sk2) {
@ -260,7 +264,7 @@ static void DesfireCMACGenerateSubkeys(DesfireContext *ctx, uint8_t *sk1, uint8_
uint8_t ivect[kbs];
memset(ivect, 0, kbs);
DesfireCryptoEncDecEx(ctx, true, l, kbs, l, true, ivect);
DesfireCryptoEncDecEx(ctx, true, l, kbs, l, true, true, ivect);
bool txor = false;
@ -344,6 +348,44 @@ uint8_t DesfireDESKeyGetVersion(uint8_t *key) {
return version;
}
DesfireCommunicationMode DesfireFileCommModeToCommMode(uint8_t file_comm_mode) {
DesfireCommunicationMode mode = DCMNone;
switch (file_comm_mode & 0x03) {
case 0x00:
case 0x02:
mode = DCMPlain;
break;
case 0x01:
mode = DCMMACed;
break;
case 0x03:
mode = DCMEncrypted;
break;
default:
break;
}
return mode;
}
uint8_t DesfireCommModeToFileCommMode(DesfireCommunicationMode comm_mode) {
uint8_t fmode = DCMNone;
switch (comm_mode) {
case DCMPlain:
fmode = 0x00;
break;
case DCMMACed:
fmode = 0x01;
break;
case DCMEncrypted:
case DCMEncryptedPlain:
fmode = 0x11;
break;
case DCMNone:
break;
}
return fmode;
}
void desfire_crc32(const uint8_t *data, const size_t len, uint8_t *crc) {
crc32_ex(data, len, crc);
}

5
client/src/mifare/desfirecrypto.h
View file

@ -99,12 +99,15 @@ size_t DesfireGetMACLength(DesfireContext *ctx);
size_t DesfireSearchCRCPos(uint8_t *data, size_t datalen, uint8_t respcode, uint8_t crclen);
void DesfireCryptoEncDec(DesfireContext *ctx, bool use_session_key, uint8_t *srcdata, size_t srcdatalen, uint8_t *dstdata, bool encode);
void DesfireCryptoEncDecEx(DesfireContext *ctx, bool use_session_key, uint8_t *srcdata, size_t srcdatalen, uint8_t *dstdata, bool encode, uint8_t *iv);
void DesfireCryptoEncDecEx(DesfireContext *ctx, bool use_session_key, uint8_t *srcdata, size_t srcdatalen, uint8_t *dstdata, bool dir_to_send, bool encode, uint8_t *iv);
void DesfireCryptoCMAC(DesfireContext *ctx, uint8_t *srcdata, size_t srcdatalen, uint8_t *cmac);
void DesfireDESKeySetVersion(uint8_t *key, DesfireCryptoAlgorythm keytype, uint8_t version);
uint8_t DesfireDESKeyGetVersion(uint8_t *key);
DesfireCommunicationMode DesfireFileCommModeToCommMode(uint8_t file_comm_mode);
uint8_t DesfireCommModeToFileCommMode(DesfireCommunicationMode comm_mode);
void desfire_crc32(const uint8_t *data, const size_t len, uint8_t *crc);
void desfire_crc32_append(uint8_t *data, const size_t len);
bool desfire_crc32_check(uint8_t *data, const size_t len, uint8_t *crc);

140
client/src/mifare/desfiresecurechan.c
View file

@ -23,7 +23,23 @@
#include "protocols.h"
#include "mifare/desfire_crypto.h"
AllowedChannelModesS AllowedChannelModes[] = {
static const uint8_t CommandsCanUseAnyChannel[] = {
MFDES_READ_DATA,
MFDES_WRITE_DATA,
MFDES_GET_VALUE,
MFDES_READ_RECORDS,
MFDES_WRITE_RECORD,
MFDES_UPDATE_RECORD,
};
static bool CommandCanUseAnyChannel(uint8_t cmd) {
for (int i = 0; i < ARRAYLEN(CommandsCanUseAnyChannel); i++)
if (CommandsCanUseAnyChannel[i] == cmd)
return true;
return false;
}
static const AllowedChannelModesS AllowedChannelModes[] = {
{MFDES_CREATE_APPLICATION, DACd40, DCCNative, DCMPlain},
{MFDES_DELETE_APPLICATION, DACd40, DCCNative, DCMPlain},
{MFDES_GET_APPLICATION_IDS, DACd40, DCCNative, DCMPlain},
@ -42,16 +58,15 @@ AllowedChannelModesS AllowedChannelModes[] = {
{MFDES_DEBIT, DACd40, DCCNative, DCMPlain},
{MFDES_COMMIT_TRANSACTION, DACd40, DCCNative, DCMPlain},
{MFDES_CLEAR_RECORD_FILE, DACd40, DCCNative, DCMPlain},
{MFDES_GET_FILE_SETTINGS, DACd40, DCCNative, DCMPlain},
{MFDES_READ_DATA, DACd40, DCCNative, DCMMACed},
{MFDES_WRITE_DATA, DACd40, DCCNative, DCMMACed},
{MFDES_GET_VALUE, DACd40, DCCNative, DCMMACed},
{MFDES_CREDIT, DACd40, DCCNative, DCMMACed},
{MFDES_DEBIT, DACd40, DCCNative, DCMMACed},
{MFDES_LIMITED_CREDIT, DACd40, DCCNative, DCMMACed},
{MFDES_READ_RECORDS, DACd40, DCCNative, DCMMACed},
{MFDES_WRITE_RECORD, DACd40, DCCNative, DCMMACed},
{MFDES_UPDATE_RECORD1, DACd40, DCCNative, DCMMACed},
{MFDES_UPDATE_RECORD, DACd40, DCCNative, DCMMACed},
{MFDES_UPDATE_RECORD2, DACd40, DCCNativeISO, DCMMACed},
{MFDES_INIT_KEY_SETTINGS, DACd40, DCCNative, DCMMACed},
{MFDES_FINALIZE_KEY_SETTINGS, DACd40, DCCNative, DCMMACed},
@ -64,8 +79,6 @@ AllowedChannelModesS AllowedChannelModes[] = {
{MFDES_GET_UID, DACd40, DCCNative, DCMEncrypted},
{MFDES_CHANGE_KEY_SETTINGS, DACd40, DCCNative, DCMEncrypted},
{MFDES_CHANGE_FILE_SETTINGS, DACd40, DCCNative, DCMEncrypted},
{MFDES_READ_DATA, DACd40, DCCNative, DCMEncrypted},
{MFDES_WRITE_DATA, DACd40, DCCNative, DCMEncrypted},
{MFDES_CHANGE_KEY, DACd40, DCCNative, DCMEncryptedPlain},
{MFDES_CHANGE_KEY_EV2, DACd40, DCCNative, DCMEncryptedPlain},
@ -104,14 +117,20 @@ AllowedChannelModesS AllowedChannelModes[] = {
};
#define CMD_HEADER_LEN_ALL 0xffff
CmdHeaderLengthsS CmdHeaderLengths[] = {
static const CmdHeaderLengthsS CmdHeaderLengths[] = {
{MFDES_CREATE_APPLICATION, CMD_HEADER_LEN_ALL},
{MFDES_DELETE_APPLICATION, CMD_HEADER_LEN_ALL},
{MFDES_CHANGE_KEY, 1},
{MFDES_CHANGE_KEY_EV2, 2},
{MFDES_CHANGE_CONFIGURATION, 1},
{MFDES_GET_FILE_SETTINGS, 1},
{MFDES_CHANGE_FILE_SETTINGS, 1},
{MFDES_CREATE_TRANS_MAC_FILE, 5},
{MFDES_READ_DATA, 7},
{MFDES_WRITE_DATA, 7},
{MFDES_READ_RECORDS, 7},
{MFDES_WRITE_RECORD, 7},
{MFDES_UPDATE_RECORD, 10},
};
static uint8_t DesfireGetCmdHeaderLen(uint8_t cmd) {
@ -123,52 +142,52 @@ static uint8_t DesfireGetCmdHeaderLen(uint8_t cmd) {
}
static void DesfireSecureChannelEncodeD40(DesfireContext *ctx, uint8_t cmd, uint8_t *srcdata, size_t srcdatalen, uint8_t *dstdata, size_t *dstdatalen) {
uint8_t data[1024] = {0};
size_t rlen = 0;
memcpy(dstdata, srcdata, srcdatalen);
*dstdatalen = srcdatalen;
uint8_t data[1024] = {0};
size_t rlen = 0;
uint8_t hdrlen = DesfireGetCmdHeaderLen(cmd);
switch (ctx->commMode) {
case DCMPlain:
memcpy(dstdata, srcdata, srcdatalen);
*dstdatalen = srcdatalen;
break;
case DCMMACed:
if (srcdatalen == 0)
break;
if (ctx->commMode == DCMMACed || (ctx->commMode == DCMEncrypted && srcdatalen <= hdrlen)) {
if (srcdatalen == 0)
return;
rlen = srcdatalen + DesfireGetMACLength(ctx);
memcpy(data, srcdata, srcdatalen);
DesfireCryptoEncDec(ctx, true, data, srcdatalen, NULL, true);
memcpy(dstdata, srcdata, srcdatalen);
memcpy(&dstdata[srcdatalen], ctx->IV, 4);
*dstdatalen = rlen;
break;
case DCMEncrypted:
if (srcdatalen == 0 || srcdatalen <= hdrlen)
break;
rlen = srcdatalen + DesfireGetMACLength(ctx);
rlen = padded_data_length(srcdatalen + 2, desfire_get_key_block_length(ctx->keyType)); // 2 - crc16
memcpy(data, srcdata, srcdatalen);
compute_crc(CRC_14443_A, data, srcdatalen, &data[srcdatalen], &data[srcdatalen + 1]);
DesfireCryptoEncDec(ctx, true, data, rlen, dstdata, true);
*dstdatalen = rlen;
break;
case DCMEncryptedPlain:
if (srcdatalen == 0 || srcdatalen <= hdrlen)
break;
memcpy(data, &srcdata[hdrlen], srcdatalen - hdrlen);
size_t srcmaclen = padded_data_length(srcdatalen - hdrlen, desfire_get_key_block_length(ctx->keyType));
rlen = padded_data_length(srcdatalen - hdrlen, desfire_get_key_block_length(ctx->keyType)) + hdrlen;
memcpy(data, srcdata, srcdatalen);
memcpy(dstdata, srcdata, hdrlen);
DesfireCryptoEncDec(ctx, true, &data[hdrlen], rlen - hdrlen, &dstdata[hdrlen], true);
*dstdatalen = rlen;
ctx->commMode = DCMEncrypted;
break;
case DCMNone:
;
uint8_t mac[32] = {0};
DesfireCryptoEncDecEx(ctx, true, data, srcmaclen, NULL, true, true, mac);
memcpy(dstdata, srcdata, srcdatalen);
memcpy(&dstdata[srcdatalen], mac, DesfireGetMACLength(ctx));
*dstdatalen = rlen;
} else if (ctx->commMode == DCMEncrypted) {
if (srcdatalen <= hdrlen)
return;
rlen = padded_data_length(srcdatalen + 2 - hdrlen, desfire_get_key_block_length(ctx->keyType)) + hdrlen; // 2 - crc16
memcpy(data, &srcdata[hdrlen], srcdatalen - hdrlen);
iso14443a_crc_append(data, srcdatalen - hdrlen);
memcpy(dstdata, srcdata, hdrlen);
//PrintAndLogEx(INFO, "src[%d]: %s", srcdatalen - hdrlen + 2, sprint_hex(data, srcdatalen - hdrlen + 2));
DesfireCryptoEncDec(ctx, true, data, rlen - hdrlen, &dstdata[hdrlen], true);
*dstdatalen = rlen;
} else if (ctx->commMode == DCMEncryptedPlain) {
if (srcdatalen == 0 || srcdatalen <= hdrlen)
return;
rlen = padded_data_length(srcdatalen - hdrlen, desfire_get_key_block_length(ctx->keyType)) + hdrlen;
memcpy(data, srcdata, srcdatalen);
memcpy(dstdata, srcdata, hdrlen);
DesfireCryptoEncDec(ctx, true, &data[hdrlen], rlen - hdrlen, &dstdata[hdrlen], true);
*dstdatalen = rlen;
ctx->commMode = DCMEncrypted;
}
}
@ -178,11 +197,12 @@ static void DesfireSecureChannelEncodeEV1(DesfireContext *ctx, uint8_t cmd, uint
memcpy(dstdata, srcdata, srcdatalen);
*dstdatalen = srcdatalen;
uint8_t hdrlen = DesfireGetCmdHeaderLen(cmd);
// we calc MAC anyway
// if encypted channel and no data - we only calc MAC
if (ctx->commMode == DCMPlain || ctx->commMode == DCMMACed || (ctx->commMode == DCMEncrypted && srcdatalen == 0)) {
if (ctx->commMode == DCMPlain || ctx->commMode == DCMMACed || (ctx->commMode == DCMEncrypted && srcdatalen <= hdrlen)) {
data[0] = cmd;
memcpy(&data[1], srcdata, srcdatalen);
uint8_t cmac[DESFIRE_MAX_CRYPTO_BLOCK_SIZE] = {0};
@ -190,7 +210,7 @@ static void DesfireSecureChannelEncodeEV1(DesfireContext *ctx, uint8_t cmd, uint
memcpy(dstdata, srcdata, srcdatalen);
*dstdatalen = srcdatalen;
if (srcdatalen != 0 && ctx->commMode == DCMMACed) {
if (srcdatalen > hdrlen && ctx->commMode == DCMMACed) {
memcpy(&dstdata[srcdatalen], cmac, DesfireGetMACLength(ctx));
*dstdatalen = srcdatalen + DesfireGetMACLength(ctx);
}
@ -205,7 +225,7 @@ static void DesfireSecureChannelEncodeEV1(DesfireContext *ctx, uint8_t cmd, uint
*dstdatalen = hdrlen + rlen;
} else if (ctx->commMode == DCMEncryptedPlain) {
if (srcdatalen == 0 || srcdatalen <= hdrlen)
if (srcdatalen <= hdrlen)
return;
memcpy(dstdata, srcdata, hdrlen);
@ -219,7 +239,7 @@ static void DesfireSecureChannelEncodeEV1(DesfireContext *ctx, uint8_t cmd, uint
void DesfireSecureChannelEncode(DesfireContext *ctx, uint8_t cmd, uint8_t *srcdata, size_t srcdatalen, uint8_t *dstdata, size_t *dstdatalen) {
ctx->lastCommand = cmd;
ctx->lastRequestZeroLen = (srcdatalen == 0);
ctx->lastRequestZeroLen = (srcdatalen <= DesfireGetCmdHeaderLen(cmd));
switch (ctx->secureChannel) {
case DACd40:
@ -238,13 +258,31 @@ void DesfireSecureChannelEncode(DesfireContext *ctx, uint8_t cmd, uint8_t *srcda
}
static void DesfireSecureChannelDecodeD40(DesfireContext *ctx, uint8_t *srcdata, size_t srcdatalen, uint8_t respcode, uint8_t *dstdata, size_t *dstdatalen) {
uint8_t data[1024] = {0};
size_t rlen = 0;
memcpy(dstdata, srcdata, srcdatalen);
*dstdatalen = srcdatalen;
switch (ctx->commMode) {
case DCMMACed:
case DCMMACed: {
size_t maclen = DesfireGetMACLength(ctx);
if (srcdatalen > maclen) {
uint8_t mac[16] = {0};
rlen = padded_data_length(srcdatalen - maclen, desfire_get_key_block_length(ctx->keyType));
memcpy(data, srcdata, srcdatalen - maclen);
DesfireCryptoEncDecEx(ctx, true, data, rlen, NULL, true, true, mac);
if (memcmp(mac, &srcdata[srcdatalen - maclen], maclen) == 0) {
*dstdatalen = srcdatalen - maclen;
} else {
PrintAndLogEx(WARNING, "Received MAC is not match with calculated");
//PrintAndLogEx(INFO, " received MAC: %s", sprint_hex(&srcdata[srcdatalen - maclen], maclen));
//PrintAndLogEx(INFO, " calculated MAC: %s", sprint_hex(mac, maclen));
}
}
break;
}
case DCMEncrypted:
if (srcdatalen < desfire_get_key_block_length(ctx->keyType)) {
memcpy(dstdata, srcdata, srcdatalen);
@ -347,6 +385,8 @@ bool PrintChannelModeWarning(uint8_t cmd, DesfireSecureChannel secureChannel, De
// no security set
if (secureChannel == DACNone)
return true;
if (CommandCanUseAnyChannel(cmd))
return true;
bool found = false;
for (int i = 0; i < ARRAY_LENGTH(AllowedChannelModes); i++)

16
client/src/util.c
View file

@ -249,6 +249,22 @@ void print_buffer(const uint8_t *data, const size_t len, int level) {
print_buffer_ex(data, len, level, 16);
}
void print_buffer_with_offset(const uint8_t *data, const size_t len, int offset, bool print_header) {
if (print_header) {
PrintAndLogEx(INFO, " Offset | Data | Ascii");
PrintAndLogEx(INFO, "----------------------------------------------------------------------------");
}
for (uint32_t i = 0; i < len; i += 16) {
uint32_t l = len - i;
PrintAndLogEx(INFO, "%3d/0x%02X | %s" NOLF, offset + i, offset + i, sprint_hex(&data[i], l > 16 ? 16 : l));
if (l < 16)
PrintAndLogEx(NORMAL, "%*s" NOLF, 3 * (16 - l), " ");
PrintAndLogEx(NORMAL, "| %s", sprint_ascii(&data[i], l > 16 ? 16 : l));
}
}
void print_blocks(uint32_t *data, size_t len) {
PrintAndLogEx(SUCCESS, "Blk | Data ");
PrintAndLogEx(SUCCESS, "----+------------");

1
client/src/util.h
View file

@ -52,6 +52,7 @@ char *sprint_hex_ascii(const uint8_t *data, const size_t len);
char *sprint_ascii(const uint8_t *data, const size_t len);
char *sprint_ascii_ex(const uint8_t *data, const size_t len, const size_t min_str_len);
void print_buffer_with_offset(const uint8_t *data, const size_t len, int offset, bool print_header);
void print_buffer(const uint8_t *data, const size_t len, int level);
void print_blocks(uint32_t *data, size_t len);

8
include/protocols.h
View file

@ -435,9 +435,13 @@ ISO 7816-4 Basic interindustry commands. For command APDU's.
#define MFDES_GET_FREE_MEMORY 0x6E
#define MFDES_GET_DF_NAMES 0x6D
#define MFDES_GET_FILE_IDS 0x6F
#define MFDES_WRITE_RECORD2 0x8B
#define MFDES_WRITE_DATA2 0x8D
#define MFDES_ABORT_TRANSACTION 0xA7
#define MFDES_READ_RECORDS2 0xAB
#define MFDES_READ_DATA2 0xAD
#define MFDES_ADDITIONAL_FRAME 0xAF
#define MFDES_UPDATE_RECORD1 0xBA
#define MFDES_UPDATE_RECORD2 0xBA
#define MFDES_READ_RECORDS 0xBB
#define MFDES_READ_DATA 0xBD
#define MFDES_CREATE_CYCLIC_RECORD_FILE 0xC0
@ -453,7 +457,7 @@ ISO 7816-4 Basic interindustry commands. For command APDU's.
#define MFDES_CREATE_STD_DATA_FILE 0xCD
#define MFDES_CREATE_TRANS_MAC_FILE 0xCE
#define MFDES_DELETE_APPLICATION 0xDA
#define MFDES_UPDATE_RECORD2 0xDB
#define MFDES_UPDATE_RECORD 0xDB
#define MFDES_DEBIT 0xDC
#define MFDES_DELETE_FILE 0xDF
#define MFDES_CLEAR_RECORD_FILE 0xEB