- Added `hf 15 snoop` (piwi)
- Added support for standard USB Smartcard Readers (piwi)
- Added `hf plot` (piwi)
+- Added `hf mfp mad` `hf mf mad` parsing MAD1 and MAD2 (Merlok)
+- Added `hf mfp ndef` `hf mf ndef` parsing NDEF records (Merlok)
## [v3.1.0][2018-10-10]
fido/cose.c \
fido/cbortools.c \
fido/fidocore.c \
- mfkey.c \
+ mifare/mfkey.c \
loclass/cipher.c \
loclass/cipherutils.c \
loclass/ikeys.c \
loclass/elite_crack.c\
loclass/fileutils.c\
whereami.c\
- mifarehost.c\
- mifare4.c\
+ mifare/mifarehost.c\
+ mifare/mifare4.c\
+ mifare/mad.c \
+ mifare/ndef.c \
parity.c\
crc.c \
crc16.c \
#include "cmdmain.h"
#include "mifare.h"
#include "cmdhfmfu.h"
-#include "mifarehost.h"
+#include "mifare/mifarehost.h"
#include "cliparser/cliparser.h"
#include "emv/apduinfo.h"
#include "emv/emvcore.h"
#include "parity.h"
#include "protocols.h"
#include "crapto1/crapto1.h"
-#include "mifarehost.h"
-#include "mifaredefault.h"
+#include "mifare/mifarehost.h"
+#include "mifare/mifaredefault.h"
#include "usb_cmd.h"
#include "pcsc.h"
#include "util_posix.h"\r
#include "usb_cmd.h"\r
#include "ui.h"\r
-#include "mifarehost.h"\r
+#include "mifare/mifarehost.h"\r
#include "mifare.h"\r
-#include "mfkey.h"\r
+#include "mifare/mfkey.h"\r
#include "hardnested/hardnested_bf_core.h"\r
#include "cliparser/cliparser.h"\r
#include "cmdhf14a.h"\r
-#include "mifare4.h"\r
+#include "mifare/mifare4.h"\r
+#include "mifare/mad.h"\r
+#include "mifare/ndef.h"\r
+#include "emv/dump.h"\r
\r
#define NESTED_SECTOR_RETRY 10 // how often we try mfested() until we give up\r
\r
return MifareAuth4(NULL, keyn, key, true, false, true);\r
}\r
\r
+// https://www.nxp.com/docs/en/application-note/AN10787.pdf\r
+int CmdHF14AMfMAD(const char *cmd) {\r
+\r
+ CLIParserInit("hf mf mad",\r
+ "Checks and prints Mifare Application Directory (MAD)",\r
+ "Usage:\n\thf mf mad -> shows MAD if exists\n"\r
+ "\thf mf mad -a 03e1 -k ffffffffffff -b -> shows NDEF data if exists. read card with custom key and key B\n");\r
+\r
+ void *argtable[] = {\r
+ arg_param_begin,\r
+ arg_lit0("vV", "verbose", "show technical data"),\r
+ arg_str0("aA", "aid", "print all sectors with aid", NULL),\r
+ arg_str0("kK", "key", "key for printing sectors", NULL),\r
+ arg_lit0("bB", "keyb", "use key B for access printing sectors (by default: key A)"),\r
+ arg_param_end\r
+ };\r
+ CLIExecWithReturn(cmd, argtable, true);\r
+ bool verbose = arg_get_lit(1);\r
+ uint8_t aid[2] = {0};\r
+ int aidlen;\r
+ CLIGetHexWithReturn(2, aid, &aidlen);\r
+ uint8_t key[6] = {0};\r
+ int keylen;\r
+ CLIGetHexWithReturn(3, key, &keylen);\r
+ bool keyB = arg_get_lit(4);\r
+\r
+ CLIParserFree();\r
+\r
+ if (aidlen != 2 && keylen > 0) {\r
+ PrintAndLogEx(WARNING, "do not need a key without aid.");\r
+ }\r
+\r
+ uint8_t sector0[16 * 4] = {0};\r
+ uint8_t sector10[16 * 4] = {0};\r
+ if (mfReadSector(MF_MAD1_SECTOR, MF_KEY_A, (uint8_t *)g_mifare_mad_key, sector0)) {\r
+ PrintAndLogEx(ERR, "read sector 0 error. card don't have MAD or don't have MAD on default keys.");\r
+ return 2;\r
+ }\r
+\r
+ if (verbose) {\r
+ for (int i = 0; i < 4; i ++)\r
+ PrintAndLogEx(NORMAL, "[%d] %s", i, sprint_hex(§or0[i * 16], 16));\r
+ }\r
+\r
+ bool haveMAD2 = false;\r
+ MAD1DecodeAndPrint(sector0, verbose, &haveMAD2);\r
+\r
+ if (haveMAD2) {\r
+ if (mfReadSector(MF_MAD2_SECTOR, MF_KEY_A, (uint8_t *)g_mifare_mad_key, sector10)) {\r
+ PrintAndLogEx(ERR, "read sector 0x10 error. card don't have MAD or don't have MAD on default keys.");\r
+ return 2;\r
+ }\r
+\r
+ MAD2DecodeAndPrint(sector10, verbose);\r
+ }\r
+\r
+ if (aidlen == 2) {\r
+ uint16_t aaid = (aid[0] << 8) + aid[1];\r
+ PrintAndLogEx(NORMAL, "\n-------------- AID 0x%04x ---------------", aaid);\r
+\r
+ uint16_t mad[7 + 8 + 8 + 8 + 8] = {0};\r
+ size_t madlen = 0;\r
+ if (MADDecode(sector0, sector10, mad, &madlen)) {\r
+ PrintAndLogEx(ERR, "can't decode mad.");\r
+ return 10;\r
+ }\r
+\r
+ uint8_t akey[6] = {0};\r
+ memcpy(akey, g_mifare_ndef_key, 6);\r
+ if (keylen == 6) {\r
+ memcpy(akey, key, 6);\r
+ }\r
+\r
+ for (int i = 0; i < madlen; i++) {\r
+ if (aaid == mad[i]) {\r
+ uint8_t vsector[16 * 4] = {0};\r
+ if (mfReadSector(i + 1, keyB ? MF_KEY_B : MF_KEY_A, akey, vsector)) {\r
+ PrintAndLogEx(NORMAL, "");\r
+ PrintAndLogEx(ERR, "read sector %d error.", i + 1);\r
+ return 2;\r
+ }\r
+\r
+ for (int j = 0; j < (verbose ? 4 : 3); j ++)\r
+ PrintAndLogEx(NORMAL, " [%03d] %s", (i + 1) * 4 + j, sprint_hex(&vsector[j * 16], 16));\r
+ }\r
+ }\r
+ }\r
+\r
+ return 0;\r
+}\r
+\r
+int CmdHFMFNDEF(const char *cmd) {\r
+\r
+ CLIParserInit("hf mf ndef",\r
+ "Prints NFC Data Exchange Format (NDEF)",\r
+ "Usage:\n\thf mf ndef -> shows NDEF data\n"\r
+ "\thf mf ndef -a 03e1 -k ffffffffffff -b -> shows NDEF data with custom AID, key and with key B\n");\r
+\r
+ void *argtable[] = {\r
+ arg_param_begin,\r
+ arg_litn("vV", "verbose", 0, 2, "show technical data"),\r
+ arg_str0("aA", "aid", "replace default aid for NDEF", NULL),\r
+ arg_str0("kK", "key", "replace default key for NDEF", NULL),\r
+ arg_lit0("bB", "keyb", "use key B for access sectors (by default: key A)"),\r
+ arg_param_end\r
+ };\r
+ CLIExecWithReturn(cmd, argtable, true);\r
+\r
+ bool verbose = arg_get_lit(1);\r
+ bool verbose2 = arg_get_lit(1) > 1;\r
+ uint8_t aid[2] = {0};\r
+ int aidlen;\r
+ CLIGetHexWithReturn(2, aid, &aidlen);\r
+ uint8_t key[6] = {0};\r
+ int keylen;\r
+ CLIGetHexWithReturn(3, key, &keylen);\r
+ bool keyB = arg_get_lit(4);\r
+\r
+ CLIParserFree();\r
+\r
+ uint16_t ndefAID = 0x03e1;\r
+ if (aidlen == 2)\r
+ ndefAID = (aid[0] << 8) + aid[1];\r
+\r
+ uint8_t ndefkey[6] = {0};\r
+ memcpy(ndefkey, g_mifare_ndef_key, 6);\r
+ if (keylen == 6) {\r
+ memcpy(ndefkey, key, 6);\r
+ }\r
+\r
+ uint8_t sector0[16 * 4] = {0};\r
+ uint8_t sector10[16 * 4] = {0};\r
+ uint8_t data[4096] = {0};\r
+ int datalen = 0;\r
+\r
+ PrintAndLogEx(NORMAL, "");\r
+\r
+ if (mfReadSector(MF_MAD1_SECTOR, MF_KEY_A, (uint8_t *)g_mifare_mad_key, sector0)) {\r
+ PrintAndLogEx(ERR, "read sector 0 error. card don't have MAD or don't have MAD on default keys.");\r
+ return 2;\r
+ }\r
+\r
+ bool haveMAD2 = false;\r
+ int res = MADCheck(sector0, NULL, verbose, &haveMAD2);\r
+ if (res) {\r
+ PrintAndLogEx(ERR, "MAD error %d.", res);\r
+ return res;\r
+ }\r
+\r
+ if (haveMAD2) {\r
+ if (mfReadSector(MF_MAD2_SECTOR, MF_KEY_A, (uint8_t *)g_mifare_mad_key, sector10)) {\r
+ PrintAndLogEx(ERR, "read sector 0x10 error. card don't have MAD or don't have MAD on default keys.");\r
+ return 2;\r
+ }\r
+ }\r
+\r
+ uint16_t mad[7 + 8 + 8 + 8 + 8] = {0};\r
+ size_t madlen = 0;\r
+ if (MADDecode(sector0, (haveMAD2 ? sector10 : NULL), mad, &madlen)) {\r
+ PrintAndLogEx(ERR, "can't decode mad.");\r
+ return 10;\r
+ }\r
+\r
+ printf("data reading:");\r
+ for (int i = 0; i < madlen; i++) {\r
+ if (ndefAID == mad[i]) {\r
+ uint8_t vsector[16 * 4] = {0};\r
+ if (mfReadSector(i + 1, keyB ? MF_KEY_B : MF_KEY_A, ndefkey, vsector)) {\r
+ PrintAndLogEx(ERR, "read sector %d error.", i + 1);\r
+ return 2;\r
+ }\r
+\r
+ memcpy(&data[datalen], vsector, 16 * 3);\r
+ datalen += 16 * 3;\r
+\r
+ printf(".");\r
+ }\r
+ }\r
+ printf(" OK\n");\r
+\r
+ if (!datalen) {\r
+ PrintAndLogEx(ERR, "no NDEF data.");\r
+ return 11;\r
+ }\r
+\r
+ if (verbose2) {\r
+ PrintAndLogEx(NORMAL, "NDEF data:");\r
+ dump_buffer(data, datalen, stdout, 1);\r
+ }\r
+\r
+ NDEFDecodeAndPrint(data, datalen, verbose);\r
+\r
+ return 0;\r
+}\r
+\r
static command_t CommandTable[] =\r
{\r
{"help", CmdHelp, 1, "This help"},\r
{"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"},\r
{"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},\r
{"decrypt", CmdDecryptTraceCmds, 1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},\r
+ {"mad", CmdHF14AMfMAD, 0, "Checks and prints MAD"},\r
+ {"ndef", CmdHFMFNDEF, 0, "Prints NDEF records from card"},\r
{NULL, NULL, 0, NULL}\r
};\r
\r
#ifndef CMDHFMF_H__\r
#define CMDHFMF_H__\r
\r
-#include "mifaredefault.h"\r
+#include "mifare/mifaredefault.h"\r
\r
+extern int CmdHFMF(const char *Cmd);\r
extern int CmdHFMF(const char *Cmd);\r
extern int CmdHF14AMfDbg(const char* cmd);
#include "ui.h"
#include "cmdhf14a.h"
#include "mifare.h"
-#include "mifare4.h"
+#include "mifare/mifare4.h"
+#include "mifare/mad.h"
+#include "mifare/ndef.h"
#include "cliparser/cliparser.h"
#include "crypto/libpcrypto.h"
+#include "emv/dump.h"
static const uint8_t DefaultKey[16] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
-typedef struct {
- uint8_t Code;
- const char *Description;
-} PlusErrorsElm;
-
-static const PlusErrorsElm PlusErrors[] = {
- {0xFF, ""},
- {0x00, "Transfer cannot be granted within the current authentication."},
- {0x06, "Access Conditions not fulfilled. Block does not exist, block is not a value block."},
- {0x07, "Too many read or write commands in the session or in the transaction."},
- {0x08, "Invalid MAC in command or response"},
- {0x09, "Block Number is not valid"},
- {0x0a, "Invalid block number, not existing block number"},
- {0x0b, "The current command code not available at the current card state."},
- {0x0c, "Length error"},
- {0x0f, "General Manipulation Error. Failure in the operation of the PICC (cannot write to the data block), etc."},
- {0x90, "OK"},
-};
-int PlusErrorsLen = sizeof(PlusErrors) / sizeof(PlusErrorsElm);
-
-const char * GetErrorDescription(uint8_t errorCode) {
- for(int i = 0; i < PlusErrorsLen; i++)
- if (errorCode == PlusErrors[i].Code)
- return PlusErrors[i].Description;
-
- return PlusErrors[0].Description;
-}
-
static int CmdHelp(const char *Cmd);
-static bool VerboseMode = false;
-void SetVerboseMode(bool verbose) {
- VerboseMode = verbose;
-}
-
-int intExchangeRAW14aPlus(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
- if(VerboseMode)
- PrintAndLog(">>> %s", sprint_hex(datain, datainlen));
-
- int res = ExchangeRAW14a(datain, datainlen, activateField, leaveSignalON, dataout, maxdataoutlen, dataoutlen);
-
- if(VerboseMode)
- PrintAndLog("<<< %s", sprint_hex(dataout, *dataoutlen));
-
- return res;
-}
-
-int MFPWritePerso(uint8_t *keyNum, uint8_t *key, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
- uint8_t rcmd[3 + 16] = {0xa8, keyNum[1], keyNum[0], 0x00};
- memmove(&rcmd[3], key, 16);
-
- return intExchangeRAW14aPlus(rcmd, sizeof(rcmd), activateField, leaveSignalON, dataout, maxdataoutlen, dataoutlen);
-}
-
-int MFPCommitPerso(bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
- uint8_t rcmd[1] = {0xaa};
-
- return intExchangeRAW14aPlus(rcmd, sizeof(rcmd), activateField, leaveSignalON, dataout, maxdataoutlen, dataoutlen);
-}
-
-int MFPReadBlock(mf4Session *session, bool plain, uint8_t blockNum, uint8_t blockCount, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen, uint8_t *mac) {
- uint8_t rcmd[4 + 8] = {(plain?(0x37):(0x33)), blockNum, 0x00, blockCount};
- if (!plain && session)
- CalculateMAC(session, mtypReadCmd, blockNum, blockCount, rcmd, 4, &rcmd[4], VerboseMode);
-
- int res = intExchangeRAW14aPlus(rcmd, plain?4:sizeof(rcmd), activateField, leaveSignalON, dataout, maxdataoutlen, dataoutlen);
- if(res)
- return res;
-
- if (session)
- session->R_Ctr++;
-
- if(session && mac && *dataoutlen > 11)
- CalculateMAC(session, mtypReadResp, blockNum, blockCount, dataout, *dataoutlen - 8 - 2, mac, VerboseMode);
-
- return 0;
-}
-
-int MFPWriteBlock(mf4Session *session, uint8_t blockNum, uint8_t *data, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen, uint8_t *mac) {
- uint8_t rcmd[1 + 2 + 16 + 8] = {0xA3, blockNum, 0x00};
- memmove(&rcmd[3], data, 16);
- if (session)
- CalculateMAC(session, mtypWriteCmd, blockNum, 1, rcmd, 19, &rcmd[19], VerboseMode);
-
- int res = intExchangeRAW14aPlus(rcmd, sizeof(rcmd), activateField, leaveSignalON, dataout, maxdataoutlen, dataoutlen);
- if(res)
- return res;
-
- if (session)
- session->W_Ctr++;
-
- if(session && mac && *dataoutlen > 3)
- CalculateMAC(session, mtypWriteResp, blockNum, 1, dataout, *dataoutlen, mac, VerboseMode);
-
- return 0;
-}
-
int CmdHFMFPInfo(const char *cmd) {
if (cmd && strlen(cmd) > 0)
CLIGetHexWithReturn(3, key, &keyLen);
CLIParserFree();
- SetVerboseMode(verbose);
+ mfpSetVerboseMode(verbose);
if (!keyLen) {
memmove(key, DefaultKey, 16);
}
if (data[0] != 0x90) {
- PrintAndLog("Command error: %02x %s", data[0], GetErrorDescription(data[0]));
+ PrintAndLog("Command error: %02x %s", data[0], mfpGetErrorDescription(data[0]));
return 1;
}
PrintAndLog("Write OK.");
if (!keyLen)
memmove(key, DefaultKey, 16);
- SetVerboseMode(verbose2);
+ mfpSetVerboseMode(verbose2);
for (uint16_t sn = 0x4000; sn < 0x4050; sn++) {
keyNum[0] = sn >> 8;
keyNum[1] = sn & 0xff;
}
}
- SetVerboseMode(verbose);
+ mfpSetVerboseMode(verbose);
for (int i = 0; i < sizeof(CardAddresses) / 2; i++) {
keyNum[0] = CardAddresses[i] >> 8;
keyNum[1] = CardAddresses[i] & 0xff;
bool verbose = arg_get_lit(1);
CLIParserFree();
- SetVerboseMode(verbose);
+ mfpSetVerboseMode(verbose);
uint8_t data[250] = {0};
int datalen = 0;
}
if (data[0] != 0x90) {
- PrintAndLog("Command error: %02x %s", data[0], GetErrorDescription(data[0]));
+ PrintAndLog("Command error: %02x %s", data[0], mfpGetErrorDescription(data[0]));
return 1;
}
PrintAndLog("Switch level OK.");
CLIGetHexWithReturn(6, key, &keylen);
CLIParserFree();
- SetVerboseMode(verbose);
+ mfpSetVerboseMode(verbose);
if (!keylen) {
memmove(key, DefaultKey, 16);
}
if (datalen && data[0] != 0x90) {
- PrintAndLog("Card read error: %02x %s", data[0], GetErrorDescription(data[0]));
+ PrintAndLog("Card read error: %02x %s", data[0], mfpGetErrorDescription(data[0]));
return 6;
}
CLIGetHexWithReturn(5, key, &keylen);
CLIParserFree();
- SetVerboseMode(verbose);
+ mfpSetVerboseMode(verbose);
if (!keylen) {
memmove(key, DefaultKey, 16);
}
if (datalen && data[0] != 0x90) {
- PrintAndLog("Card read error: %02x %s", data[0], GetErrorDescription(data[0]));
+ PrintAndLog("Card read error: %02x %s", data[0], mfpGetErrorDescription(data[0]));
DropField();
return 6;
}
CLIGetHexWithReturn(5, key, &keylen);
CLIParserFree();
- SetVerboseMode(verbose);
+ mfpSetVerboseMode(verbose);
if (!keylen) {
memmove(key, DefaultKey, 16);
}
if (datalen && data[0] != 0x90) {
- PrintAndLog("Card write error: %02x %s", data[0], GetErrorDescription(data[0]));
+ PrintAndLog("Card write error: %02x %s", data[0], mfpGetErrorDescription(data[0]));
DropField();
return 6;
}
return 0;
}
+int CmdHFMFPMAD(const char *cmd) {
+
+ CLIParserInit("hf mfp mad",
+ "Checks and prints Mifare Application Directory (MAD)",
+ "Usage:\n\thf mfp mad -> shows MAD if exists\n"
+ "\thf mfp mad -a 03e1 -k d3f7d3f7d3f7d3f7d3f7d3f7d3f7d3f7 -> shows NDEF data if exists\n");
+
+ void *argtable[] = {
+ arg_param_begin,
+ arg_lit0("vV", "verbose", "show technical data"),
+ arg_str0("aA", "aid", "print all sectors with aid", NULL),
+ arg_str0("kK", "key", "key for printing sectors", NULL),
+ arg_lit0("bB", "keyb", "use key B for access printing sectors (by default: key A)"),
+ arg_param_end
+ };
+ CLIExecWithReturn(cmd, argtable, true);
+
+ bool verbose = arg_get_lit(1);
+ uint8_t aid[2] = {0};
+ int aidlen;
+ CLIGetHexWithReturn(2, aid, &aidlen);
+ uint8_t key[16] = {0};
+ int keylen;
+ CLIGetHexWithReturn(3, key, &keylen);
+ bool keyB = arg_get_lit(4);
+
+ CLIParserFree();
+
+ if (aidlen != 2 && keylen > 0) {
+ PrintAndLogEx(WARNING, "do not need a key without aid.");
+ }
+
+ uint8_t sector0[16 * 4] = {0};
+ uint8_t sector10[16 * 4] = {0};
+
+ if (mfpReadSector(MF_MAD1_SECTOR, MF_KEY_A, (uint8_t *)g_mifarep_mad_key, sector0, verbose)) {
+ PrintAndLogEx(NORMAL, "");
+ PrintAndLogEx(ERR, "read sector 0 error. card don't have MAD or don't have MAD on default keys.");
+ return 2;
+ }
+
+ if (verbose) {
+ for (int i = 0; i < 4; i ++)
+ PrintAndLogEx(NORMAL, "[%d] %s", i, sprint_hex(§or0[i * 16], 16));
+ }
+
+ bool haveMAD2 = false;
+ MAD1DecodeAndPrint(sector0, verbose, &haveMAD2);
+
+ if (haveMAD2) {
+ if (mfpReadSector(MF_MAD2_SECTOR, MF_KEY_A, (uint8_t *)g_mifarep_mad_key, sector10, verbose)) {
+ PrintAndLogEx(NORMAL, "");
+ PrintAndLogEx(ERR, "read sector 0x10 error. card don't have MAD or don't have MAD on default keys.");
+ return 2;
+ }
+
+ MAD2DecodeAndPrint(sector10, verbose);
+ }
+
+ if (aidlen == 2) {
+ uint16_t aaid = (aid[0] << 8) + aid[1];
+ PrintAndLogEx(NORMAL, "\n-------------- AID 0x%04x ---------------", aaid);
+
+ uint16_t mad[7 + 8 + 8 + 8 + 8] = {0};
+ size_t madlen = 0;
+ if (MADDecode(sector0, sector10, mad, &madlen)) {
+ PrintAndLogEx(ERR, "can't decode mad.");
+ return 10;
+ }
+
+ uint8_t akey[16] = {0};
+ memcpy(akey, g_mifarep_ndef_key, 16);
+ if (keylen == 16) {
+ memcpy(akey, key, 16);
+ }
+
+ for (int i = 0; i < madlen; i++) {
+ if (aaid == mad[i]) {
+ uint8_t vsector[16 * 4] = {0};
+ if (mfpReadSector(i + 1, keyB ? MF_KEY_B : MF_KEY_A, akey, vsector, false)) {
+ PrintAndLogEx(NORMAL, "");
+ PrintAndLogEx(ERR, "read sector %d error.", i + 1);
+ return 2;
+ }
+
+ for (int j = 0; j < (verbose ? 4 : 3); j ++)
+ PrintAndLogEx(NORMAL, " [%03d] %s", (i + 1) * 4 + j, sprint_hex(&vsector[j * 16], 16));
+ }
+ }
+ }
+
+ return 0;
+}
+
+int CmdHFMFPNDEF(const char *cmd) {
+
+ CLIParserInit("hf mfp ndef",
+ "Prints NFC Data Exchange Format (NDEF)",
+ "Usage:\n\thf mfp ndef -> shows NDEF data\n"
+ "\thf mfp ndef -a 03e1 -k d3f7d3f7d3f7d3f7d3f7d3f7d3f7d3f7 -> shows NDEF data with custom AID and key\n");
+
+ void *argtable[] = {
+ arg_param_begin,
+ arg_litn("vV", "verbose", 0, 2, "show technical data"),
+ arg_str0("aA", "aid", "replace default aid for NDEF", NULL),
+ arg_str0("kK", "key", "replace default key for NDEF", NULL),
+ arg_lit0("bB", "keyb", "use key B for access sectors (by default: key A)"),
+ arg_param_end
+ };
+ CLIExecWithReturn(cmd, argtable, true);
+
+ bool verbose = arg_get_lit(1);
+ bool verbose2 = arg_get_lit(1) > 1;
+ uint8_t aid[2] = {0};
+ int aidlen;
+ CLIGetHexWithReturn(2, aid, &aidlen);
+ uint8_t key[16] = {0};
+ int keylen;
+ CLIGetHexWithReturn(3, key, &keylen);
+ bool keyB = arg_get_lit(4);
+
+ CLIParserFree();
+
+ uint16_t ndefAID = 0x03e1;
+ if (aidlen == 2)
+ ndefAID = (aid[0] << 8) + aid[1];
+
+ uint8_t ndefkey[16] = {0};
+ memcpy(ndefkey, g_mifarep_ndef_key, 16);
+ if (keylen == 16) {
+ memcpy(ndefkey, key, 16);
+ }
+
+ uint8_t sector0[16 * 4] = {0};
+ uint8_t sector10[16 * 4] = {0};
+ uint8_t data[4096] = {0};
+ int datalen = 0;
+
+ PrintAndLogEx(NORMAL, "");
+
+ if (mfpReadSector(MF_MAD1_SECTOR, MF_KEY_A, (uint8_t *)g_mifarep_mad_key, sector0, verbose)) {
+ PrintAndLogEx(ERR, "read sector 0 error. card don't have MAD or don't have MAD on default keys.");
+ return 2;
+ }
+
+ bool haveMAD2 = false;
+ int res = MADCheck(sector0, NULL, verbose, &haveMAD2);
+ if (res) {
+ PrintAndLogEx(ERR, "MAD error %d.", res);
+ return res;
+ }
+
+ if (haveMAD2) {
+ if (mfpReadSector(MF_MAD2_SECTOR, MF_KEY_A, (uint8_t *)g_mifarep_mad_key, sector10, verbose)) {
+ PrintAndLogEx(ERR, "read sector 0x10 error. card don't have MAD or don't have MAD on default keys.");
+ return 2;
+ }
+ }
+
+ uint16_t mad[7 + 8 + 8 + 8 + 8] = {0};
+ size_t madlen = 0;
+ if (MADDecode(sector0, (haveMAD2 ? sector10 : NULL), mad, &madlen)) {
+ PrintAndLogEx(ERR, "can't decode mad.");
+ return 10;
+ }
+
+ printf("data reading:");
+ for (int i = 0; i < madlen; i++) {
+ if (ndefAID == mad[i]) {
+ uint8_t vsector[16 * 4] = {0};
+ if (mfpReadSector(i + 1, keyB ? MF_KEY_B : MF_KEY_A, ndefkey, vsector, false)) {
+ PrintAndLogEx(ERR, "read sector %d error.", i + 1);
+ return 2;
+ }
+
+ memcpy(&data[datalen], vsector, 16 * 3);
+ datalen += 16 * 3;
+
+ printf(".");
+ }
+ }
+ printf(" OK\n");
+
+ if (!datalen) {
+ PrintAndLogEx(ERR, "no NDEF data.");
+ return 11;
+ }
+
+ if (verbose2) {
+ PrintAndLogEx(NORMAL, "NDEF data:");
+ dump_buffer(data, datalen, stdout, 1);
+ }
+
+ NDEFDecodeAndPrint(data, datalen, verbose);
+
+ return 0;
+}
+
static command_t CommandTable[] =
{
{"help", CmdHelp, 1, "This help"},
{"rdbl", CmdHFMFPRdbl, 0, "Read blocks"},
{"rdsc", CmdHFMFPRdsc, 0, "Read sectors"},
{"wrbl", CmdHFMFPWrbl, 0, "Write blocks"},
+ {"mad", CmdHFMFPMAD, 0, "Checks and prints MAD"},
+ {"ndef", CmdHFMFPNDEF, 0, "Prints NDEF records from card"},
{NULL, NULL, 0, NULL}
};
#ifndef CMDHFMFP_H__
#define CMDHFMFP_H__
-#include "mifaredefault.h"
+#include "mifare/mifaredefault.h"
extern int CmdHFMFP(const char *Cmd);
+++ /dev/null
-//-----------------------------------------------------------------------------
-// Merlok - June 2011
-// Roel - Dec 2009
-// Unknown author
-//
-// This code is licensed to you under the terms of the GNU GPL, version 2 or,
-// at your option, any later version. See the LICENSE.txt file for the text of
-// the license.
-//-----------------------------------------------------------------------------
-// MIFARE Darkside hack
-//-----------------------------------------------------------------------------
-
-#include "mfkey.h"
-
-#include "mifare.h"
-#include "crapto1/crapto1.h"
-
-
-// recover key from 2 different reader responses on same tag challenge
-bool mfkey32(nonces_t data, uint64_t *outputkey) {
- struct Crypto1State *s,*t;
- uint64_t outkey = 0;
- uint64_t key = 0; // recovered key
- bool isSuccess = false;
- uint8_t counter = 0;
-
- s = lfsr_recovery32(data.ar ^ prng_successor(data.nonce, 64), 0);
-
- for(t = s; t->odd | t->even; ++t) {
- lfsr_rollback_word(t, 0, 0);
- lfsr_rollback_word(t, data.nr, 1);
- lfsr_rollback_word(t, data.cuid ^ data.nonce, 0);
- crypto1_get_lfsr(t, &key);
- crypto1_word(t, data.cuid ^ data.nonce, 0);
- crypto1_word(t, data.nr2, 1);
- if (data.ar2 == (crypto1_word(t, 0, 0) ^ prng_successor(data.nonce, 64))) {
- //PrintAndLog("Found Key: [%012" PRIx64 "]",key);
- outkey = key;
- counter++;
- if (counter == 20) break;
- }
- }
- isSuccess = (counter == 1);
- *outputkey = ( isSuccess ) ? outkey : 0;
- crypto1_destroy(s);
- /* //un-comment to save all keys to a stats.txt file
- FILE *fout;
- if ((fout = fopen("stats.txt","ab")) == NULL) {
- PrintAndLog("Could not create file name stats.txt");
- return 1;
- }
- fprintf(fout, "mfkey32,%d,%08x,%d,%s,%04x%08x,%.0Lf\r\n", counter, data.cuid, data.sector, (data.keytype) ? "B" : "A", (uint32_t)(outkey>>32) & 0xFFFF,(uint32_t)(outkey&0xFFFFFFFF),(long double)t1);
- fclose(fout);
- */
- return isSuccess;
-}
-
-// recover key from 2 reader responses on 2 different tag challenges
-bool mfkey32_moebius(nonces_t data, uint64_t *outputkey) {
- struct Crypto1State *s, *t;
- uint64_t outkey = 0;
- uint64_t key = 0; // recovered key
- bool isSuccess = false;
- int counter = 0;
-
- s = lfsr_recovery32(data.ar ^ prng_successor(data.nonce, 64), 0);
-
- for(t = s; t->odd | t->even; ++t) {
- lfsr_rollback_word(t, 0, 0);
- lfsr_rollback_word(t, data.nr, 1);
- lfsr_rollback_word(t, data.cuid ^ data.nonce, 0);
- crypto1_get_lfsr(t, &key);
-
- crypto1_word(t, data.cuid ^ data.nonce2, 0);
- crypto1_word(t, data.nr2, 1);
- if (data.ar2 == (crypto1_word(t, 0, 0) ^ prng_successor(data.nonce2, 64))) {
- //PrintAndLog("Found Key: [%012" PRIx64 "]",key);
- outkey=key;
- ++counter;
- if (counter==20)
- break;
- }
- }
- isSuccess = (counter == 1);
- *outputkey = ( isSuccess ) ? outkey : 0;
- crypto1_destroy(s);
- /* // un-comment to output all keys to stats.txt
- FILE *fout;
- if ((fout = fopen("stats.txt","ab")) == NULL) {
- PrintAndLog("Could not create file name stats.txt");
- return 1;
- }
- fprintf(fout, "moebius,%d,%08x,%d,%s,%04x%08x,%0.Lf\r\n", counter, data.cuid, data.sector, (data.keytype) ? "B" : "A", (uint32_t) (outkey>>32),(uint32_t)(outkey&0xFFFFFFFF),(long double)t1);
- fclose(fout);
- */
- return isSuccess;
-}
-
-// recover key from reader response and tag response of one authentication sequence
-int mfkey64(nonces_t data, uint64_t *outputkey){
- uint64_t key = 0; // recovered key
- uint32_t ks2; // keystream used to encrypt reader response
- uint32_t ks3; // keystream used to encrypt tag response
- struct Crypto1State *revstate;
-
- // Extract the keystream from the messages
- ks2 = data.ar ^ prng_successor(data.nonce, 64);
- ks3 = data.at ^ prng_successor(data.nonce, 96);
- revstate = lfsr_recovery64(ks2, ks3);
- lfsr_rollback_word(revstate, 0, 0);
- lfsr_rollback_word(revstate, 0, 0);
- lfsr_rollback_word(revstate, data.nr, 1);
- lfsr_rollback_word(revstate, data.cuid ^ data.nonce, 0);
- crypto1_get_lfsr(revstate, &key);
- // PrintAndLog("Found Key: [%012" PRIx64 "]", key);
- crypto1_destroy(revstate);
- *outputkey = key;
-
- return 0;
-}
-
-
+++ /dev/null
-//-----------------------------------------------------------------------------
-// Merlok - June 2011
-// Roel - Dec 2009
-// Unknown author
-//
-// This code is licensed to you under the terms of the GNU GPL, version 2 or,
-// at your option, any later version. See the LICENSE.txt file for the text of
-// the license.
-//-----------------------------------------------------------------------------
-// MIFARE Darkside hack
-//-----------------------------------------------------------------------------
-
-#ifndef MFKEY_H
-#define MFKEY_H
-
-#include <stdint.h>
-#include <stdbool.h>
-#include "mifare.h"
-
-extern bool mfkey32(nonces_t data, uint64_t *outputkey);
-extern bool mfkey32_moebius(nonces_t data, uint64_t *outputkey);
-extern int mfkey64(nonces_t data, uint64_t *outputkey);
-
-#endif
--- /dev/null
+//-----------------------------------------------------------------------------
+// Copyright (C) 2019 Merlok
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// MIFARE Application Directory (MAD) functions
+//-----------------------------------------------------------------------------
+
+#include "mad.h"
+#include "ui.h"
+#include "crc.h"
+#include "util.h"
+
+// https://www.nxp.com/docs/en/application-note/AN10787.pdf
+static madAIDDescr madKnownAIDs[] = {
+ {0x0000, "free"},
+ {0x0001, "defect, e.g. access keys are destroyed or unknown"},
+ {0x0002, "reserved"},
+ {0x0003, "contains additional directory info"},
+ {0x0004, "contains card holder information in ASCII format."},
+ {0x0005, "not applicable (above memory size)"},
+
+ {0x03e1, "NDEF"},
+};
+
+static madAIDDescr madKnownClusterCodes[] = {
+ {0x00, "cluster: card administration"},
+ {0x01, "cluster: miscellaneous applications"},
+ {0x02, "cluster: miscellaneous applications"},
+ {0x03, "cluster: miscellaneous applications"},
+ {0x04, "cluster: miscellaneous applications"},
+ {0x05, "cluster: miscellaneous applications"},
+ {0x06, "cluster: miscellaneous applications"},
+ {0x07, "cluster: miscellaneous applications"},
+ {0x08, "cluster: airlines"},
+ {0x09, "cluster: ferry traffic"},
+ {0x10, "cluster: railway services"},
+ {0x11, "cluster: miscellaneous applications"},
+ {0x12, "cluster: transport"},
+ {0x14, "cluster: security solutions"},
+ {0x18, "cluster: city traffic"},
+ {0x19, "cluster: Czech Railways"},
+ {0x20, "cluster: bus services"},
+ {0x21, "cluster: multi modal transit"},
+ {0x28, "cluster: taxi"},
+ {0x30, "cluster: road toll"},
+ {0x31, "cluster: generic transport"},
+ {0x38, "cluster: company services"},
+ {0x40, "cluster: city card services"},
+ {0x47, "cluster: access control & security"},
+ {0x48, "cluster: access control & security"},
+ {0x49, "cluster: VIGIK"},
+ {0x4A, "cluster: Ministry of Defence, Netherlands"},
+ {0x4B, "cluster: Bosch Telecom, Germany"},
+ {0x4C, "cluster: European Union Institutions"},
+ {0x50, "cluster: ski ticketing"},
+ {0x51, "cluster: access control & security"},
+ {0x52, "cluster: access control & security"},
+ {0x53, "cluster: access control & security"},
+ {0x54, "cluster: access control & security"},
+ {0x55, "cluster: SOAA standard for offline access standard"},
+ {0x56, "cluster: access control & security"},
+ {0x58, "cluster: academic services"},
+ {0x60, "cluster: food"},
+ {0x68, "cluster: non-food trade"},
+ {0x70, "cluster: hotel"},
+ {0x71, "cluster: loyalty"},
+ {0x75, "cluster: airport services"},
+ {0x78, "cluster: car rental"},
+ {0x79, "cluster: Dutch government"},
+ {0x80, "cluster: administration services"},
+ {0x88, "cluster: electronic purse"},
+ {0x90, "cluster: television"},
+ {0x91, "cluster: cruise ship"},
+ {0x95, "cluster: IOPTA"},
+ {0x97, "cluster: metering"},
+ {0x98, "cluster: telephone"},
+ {0xA0, "cluster: health services"},
+ {0xA8, "cluster: warehouse"},
+ {0xB0, "cluster: electronic trade"},
+ {0xB8, "cluster: banking"},
+ {0xC0, "cluster: entertainment & sports"},
+ {0xC8, "cluster: car parking"},
+ {0xC9, "cluster: fleet management"},
+ {0xD0, "cluster: fuel, gasoline"},
+ {0xD8, "cluster: info services"},
+ {0xE0, "cluster: press"},
+ {0xE1, "cluster: NFC Forum"},
+ {0xE8, "cluster: computer"},
+ {0xF0, "cluster: mail"},
+ {0xF8, "cluster: miscellaneous applications"},
+};
+
+static const char unknownAID[] = "";
+
+static const char *GetAIDDescription(uint16_t AID) {
+ for (int i = 0; i < ARRAYLEN(madKnownAIDs); i++)
+ if (madKnownAIDs[i].AID == AID)
+ return madKnownAIDs[i].Description;
+
+ for (int i = 0; i < ARRAYLEN(madKnownClusterCodes); i++)
+ if (madKnownClusterCodes[i].AID == (AID >> 8)) // high byte - cluster code
+ return madKnownClusterCodes[i].Description;
+
+ return unknownAID;
+}
+
+int madCRCCheck(uint8_t *sector, bool verbose, int MADver) {
+ if (MADver == 1) {
+ uint8_t crc = CRC8Mad(§or[16 + 1], 15 + 16);
+ if (crc != sector[16]) {
+ PrintAndLogEx(WARNING, "Wrong MAD%d CRC. Calculated: 0x%02x, from card: 0x%02x", MADver, crc, sector[16]);
+ return 3;
+ };
+ } else {
+ uint8_t crc = CRC8Mad(§or[1], 15 + 16 + 16);
+ if (crc != sector[0]) {
+ PrintAndLogEx(WARNING, "Wrong MAD%d CRC. Calculated: 0x%02x, from card: 0x%02x", MADver, crc, sector[16]);
+ return 3;
+ };
+ }
+
+ return 0;
+}
+
+uint16_t madGetAID(uint8_t *sector, int MADver, int sectorNo) {
+ if (MADver == 1)
+ return (sector[16 + 2 + (sectorNo - 1) * 2] << 8) + (sector[16 + 2 + (sectorNo - 1) * 2 + 1]);
+ else
+ return (sector[2 + (sectorNo - 1) * 2] << 8) + (sector[2 + (sectorNo - 1) * 2 + 1]);
+}
+
+int MADCheck(uint8_t *sector0, uint8_t *sector10, bool verbose, bool *haveMAD2) {
+ int res = 0;
+
+ if (!sector0)
+ return 1;
+
+ uint8_t GPB = sector0[3 * 16 + 9];
+ if (verbose)
+ PrintAndLogEx(NORMAL, "GPB: 0x%02x", GPB);
+
+ // DA (MAD available)
+ if (!(GPB & 0x80)) {
+ PrintAndLogEx(ERR, "DA=0! MAD not available.");
+ return 1;
+ }
+
+ // MA (multi-application card)
+ if (verbose) {
+ if (GPB & 0x40)
+ PrintAndLogEx(NORMAL, "Multi application card.");
+ else
+ PrintAndLogEx(NORMAL, "Single application card.");
+ }
+
+ uint8_t MADVer = GPB & 0x03;
+ if (verbose)
+ PrintAndLogEx(NORMAL, "MAD version: %d", MADVer);
+
+ // MAD version
+ if ((MADVer != 0x01) && (MADVer != 0x02)) {
+ PrintAndLogEx(ERR, "Wrong MAD version: 0x%02x", MADVer);
+ return 2;
+ };
+
+ if (haveMAD2)
+ *haveMAD2 = (MADVer == 2);
+
+ res = madCRCCheck(sector0, true, 1);
+
+ if (verbose && !res)
+ PrintAndLogEx(NORMAL, "CRC8-MAD1 OK.");
+
+ if (MADVer == 2 && sector10) {
+ int res2 = madCRCCheck(sector10, true, 2);
+ if (!res)
+ res = res2;
+
+ if (verbose & !res2)
+ PrintAndLogEx(NORMAL, "CRC8-MAD2 OK.");
+ }
+
+ return res;
+}
+
+int MADDecode(uint8_t *sector0, uint8_t *sector10, uint16_t *mad, size_t *madlen) {
+ *madlen = 0;
+ bool haveMAD2 = false;
+ MADCheck(sector0, sector10, false, &haveMAD2);
+
+ for (int i = 1; i < 16; i++) {
+ mad[*madlen] = madGetAID(sector0, 1, i);
+ (*madlen)++;
+ }
+
+ if (haveMAD2) {
+ // mad2 sector (0x10 == 16dec) here
+ mad[*madlen] = 0x0005;
+ (*madlen)++;
+
+ for (int i = 1; i < 24; i++) {
+ mad[*madlen] = madGetAID(sector10, 2, i);
+ (*madlen)++;
+ }
+ }
+
+ return 0;
+}
+
+
+int MAD1DecodeAndPrint(uint8_t *sector, bool verbose, bool *haveMAD2) {
+
+ // check MAD1 only
+ MADCheck(sector, NULL, verbose, haveMAD2);
+
+ // info byte
+ uint8_t InfoByte = sector[16 + 1] & 0x3f;
+ if (InfoByte) {
+ PrintAndLogEx(NORMAL, "Card publisher sector: 0x%02x", InfoByte);
+ } else {
+ if (verbose)
+ PrintAndLogEx(NORMAL, "Card publisher sector not present.");
+ }
+ if (InfoByte == 0x10 || InfoByte >= 0x28)
+ PrintAndLogEx(WARNING, "Info byte error");
+
+ PrintAndLogEx(NORMAL, "00 MAD1");
+ for (int i = 1; i < 16; i++) {
+ uint16_t AID = madGetAID(sector, 1, i);
+ PrintAndLogEx(NORMAL, "%02d [%04X] %s", i, AID, GetAIDDescription(AID));
+ };
+
+ return 0;
+};
+
+int MAD2DecodeAndPrint(uint8_t *sector, bool verbose) {
+ PrintAndLogEx(NORMAL, "16 MAD2");
+
+ int res = madCRCCheck(sector, true, 2);
+
+ if (verbose && !res)
+ PrintAndLogEx(NORMAL, "CRC8-MAD2 OK.");
+
+ uint8_t InfoByte = sector[1] & 0x3f;
+ PrintAndLogEx(NORMAL, "MAD2 Card publisher sector: 0x%02x", InfoByte);
+
+ for (int i = 1; i < 8 + 8 + 7 + 1; i++) {
+ uint16_t AID = madGetAID(sector, 2, i);
+ PrintAndLogEx(NORMAL, "%02d [%04X] %s", i + 16, AID, GetAIDDescription(AID));
+ };
+
+ return 0;
+};
--- /dev/null
+//-----------------------------------------------------------------------------
+// Copyright (C) 2019 Merlok
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// MIFARE Application Directory (MAD) functions
+//-----------------------------------------------------------------------------
+
+#ifndef _MAD_H_
+#define _MAD_H_
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+typedef struct {
+ uint16_t AID;
+ const char *Description;
+} madAIDDescr;
+
+extern int MADCheck(uint8_t *sector0, uint8_t *sector10, bool verbose, bool *haveMAD2);
+extern int MADDecode(uint8_t *sector0, uint8_t *sector10, uint16_t *mad, size_t *madlen);
+extern int MAD1DecodeAndPrint(uint8_t *sector, bool verbose, bool *haveMAD2);
+extern int MAD2DecodeAndPrint(uint8_t *sector, bool verbose);
+
+
+#endif // _MAD_H_
--- /dev/null
+//-----------------------------------------------------------------------------
+// Merlok - June 2011
+// Roel - Dec 2009
+// Unknown author
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// MIFARE Darkside hack
+//-----------------------------------------------------------------------------
+
+#include "mfkey.h"
+
+#include "mifare.h"
+#include "crapto1/crapto1.h"
+
+
+// recover key from 2 different reader responses on same tag challenge
+bool mfkey32(nonces_t data, uint64_t *outputkey) {
+ struct Crypto1State *s,*t;
+ uint64_t outkey = 0;
+ uint64_t key = 0; // recovered key
+ bool isSuccess = false;
+ uint8_t counter = 0;
+
+ s = lfsr_recovery32(data.ar ^ prng_successor(data.nonce, 64), 0);
+
+ for(t = s; t->odd | t->even; ++t) {
+ lfsr_rollback_word(t, 0, 0);
+ lfsr_rollback_word(t, data.nr, 1);
+ lfsr_rollback_word(t, data.cuid ^ data.nonce, 0);
+ crypto1_get_lfsr(t, &key);
+ crypto1_word(t, data.cuid ^ data.nonce, 0);
+ crypto1_word(t, data.nr2, 1);
+ if (data.ar2 == (crypto1_word(t, 0, 0) ^ prng_successor(data.nonce, 64))) {
+ //PrintAndLog("Found Key: [%012" PRIx64 "]",key);
+ outkey = key;
+ counter++;
+ if (counter == 20) break;
+ }
+ }
+ isSuccess = (counter == 1);
+ *outputkey = ( isSuccess ) ? outkey : 0;
+ crypto1_destroy(s);
+ /* //un-comment to save all keys to a stats.txt file
+ FILE *fout;
+ if ((fout = fopen("stats.txt","ab")) == NULL) {
+ PrintAndLog("Could not create file name stats.txt");
+ return 1;
+ }
+ fprintf(fout, "mfkey32,%d,%08x,%d,%s,%04x%08x,%.0Lf\r\n", counter, data.cuid, data.sector, (data.keytype) ? "B" : "A", (uint32_t)(outkey>>32) & 0xFFFF,(uint32_t)(outkey&0xFFFFFFFF),(long double)t1);
+ fclose(fout);
+ */
+ return isSuccess;
+}
+
+// recover key from 2 reader responses on 2 different tag challenges
+bool mfkey32_moebius(nonces_t data, uint64_t *outputkey) {
+ struct Crypto1State *s, *t;
+ uint64_t outkey = 0;
+ uint64_t key = 0; // recovered key
+ bool isSuccess = false;
+ int counter = 0;
+
+ s = lfsr_recovery32(data.ar ^ prng_successor(data.nonce, 64), 0);
+
+ for(t = s; t->odd | t->even; ++t) {
+ lfsr_rollback_word(t, 0, 0);
+ lfsr_rollback_word(t, data.nr, 1);
+ lfsr_rollback_word(t, data.cuid ^ data.nonce, 0);
+ crypto1_get_lfsr(t, &key);
+
+ crypto1_word(t, data.cuid ^ data.nonce2, 0);
+ crypto1_word(t, data.nr2, 1);
+ if (data.ar2 == (crypto1_word(t, 0, 0) ^ prng_successor(data.nonce2, 64))) {
+ //PrintAndLog("Found Key: [%012" PRIx64 "]",key);
+ outkey=key;
+ ++counter;
+ if (counter==20)
+ break;
+ }
+ }
+ isSuccess = (counter == 1);
+ *outputkey = ( isSuccess ) ? outkey : 0;
+ crypto1_destroy(s);
+ /* // un-comment to output all keys to stats.txt
+ FILE *fout;
+ if ((fout = fopen("stats.txt","ab")) == NULL) {
+ PrintAndLog("Could not create file name stats.txt");
+ return 1;
+ }
+ fprintf(fout, "moebius,%d,%08x,%d,%s,%04x%08x,%0.Lf\r\n", counter, data.cuid, data.sector, (data.keytype) ? "B" : "A", (uint32_t) (outkey>>32),(uint32_t)(outkey&0xFFFFFFFF),(long double)t1);
+ fclose(fout);
+ */
+ return isSuccess;
+}
+
+// recover key from reader response and tag response of one authentication sequence
+int mfkey64(nonces_t data, uint64_t *outputkey){
+ uint64_t key = 0; // recovered key
+ uint32_t ks2; // keystream used to encrypt reader response
+ uint32_t ks3; // keystream used to encrypt tag response
+ struct Crypto1State *revstate;
+
+ // Extract the keystream from the messages
+ ks2 = data.ar ^ prng_successor(data.nonce, 64);
+ ks3 = data.at ^ prng_successor(data.nonce, 96);
+ revstate = lfsr_recovery64(ks2, ks3);
+ lfsr_rollback_word(revstate, 0, 0);
+ lfsr_rollback_word(revstate, 0, 0);
+ lfsr_rollback_word(revstate, data.nr, 1);
+ lfsr_rollback_word(revstate, data.cuid ^ data.nonce, 0);
+ crypto1_get_lfsr(revstate, &key);
+ // PrintAndLog("Found Key: [%012" PRIx64 "]", key);
+ crypto1_destroy(revstate);
+ *outputkey = key;
+
+ return 0;
+}
+
+
--- /dev/null
+//-----------------------------------------------------------------------------
+// Merlok - June 2011
+// Roel - Dec 2009
+// Unknown author
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// MIFARE Darkside hack
+//-----------------------------------------------------------------------------
+
+#ifndef MFKEY_H
+#define MFKEY_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "mifare.h"
+
+extern bool mfkey32(nonces_t data, uint64_t *outputkey);
+extern bool mfkey32_moebius(nonces_t data, uint64_t *outputkey);
+extern int mfkey64(nonces_t data, uint64_t *outputkey);
+
+#endif
--- /dev/null
+//-----------------------------------------------------------------------------
+// Copyright (C) 2018 Merlok
+// Copyright (C) 2018 drHatson
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// iso14443-4 mifare commands
+//-----------------------------------------------------------------------------
+
+#include "mifare4.h"
+#include <ctype.h>
+#include <string.h>
+#include "cmdhf14a.h"
+#include "util.h"
+#include "ui.h"
+#include "crypto/libpcrypto.h"
+
+static bool VerboseMode = false;
+void mfpSetVerboseMode(bool verbose) {
+ VerboseMode = verbose;
+}
+
+typedef struct {
+ uint8_t Code;
+ const char *Description;
+} PlusErrorsElm;
+
+static const PlusErrorsElm PlusErrors[] = {
+ {0xFF, ""},
+ {0x00, "Transfer cannot be granted within the current authentication."},
+ {0x06, "Access Conditions not fulfilled. Block does not exist, block is not a value block."},
+ {0x07, "Too many read or write commands in the session or in the transaction."},
+ {0x08, "Invalid MAC in command or response"},
+ {0x09, "Block Number is not valid"},
+ {0x0a, "Invalid block number, not existing block number"},
+ {0x0b, "The current command code not available at the current card state."},
+ {0x0c, "Length error"},
+ {0x0f, "General Manipulation Error. Failure in the operation of the PICC (cannot write to the data block), etc."},
+ {0x90, "OK"},
+};
+int PlusErrorsLen = sizeof(PlusErrors) / sizeof(PlusErrorsElm);
+
+const char *mfpGetErrorDescription(uint8_t errorCode) {
+ for (int i = 0; i < PlusErrorsLen; i++)
+ if (errorCode == PlusErrors[i].Code)
+ return PlusErrors[i].Description;
+
+ return PlusErrors[0].Description;
+}
+
+AccessConditions_t MFAccessConditions[] = {
+ {0x00, "read AB; write AB; increment AB; decrement transfer restore AB"},
+ {0x01, "read AB; decrement transfer restore AB"},
+ {0x02, "read AB"},
+ {0x03, "read B; write B"},
+ {0x04, "read AB; writeB"},
+ {0x05, "read B"},
+ {0x06, "read AB; write B; increment B; decrement transfer restore AB"},
+ {0x07, "none"}
+};
+
+AccessConditions_t MFAccessConditionsTrailer[] = {
+ {0x00, "read A by A; read ACCESS by A; read B by A; write B by A"},
+ {0x01, "write A by A; read ACCESS by A write ACCESS by A; read B by A; write B by A"},
+ {0x02, "read ACCESS by A; read B by A"},
+ {0x03, "write A by B; read ACCESS by AB; write ACCESS by B; write B by B"},
+ {0x04, "write A by B; read ACCESS by AB; write B by B"},
+ {0x05, "read ACCESS by AB; write ACCESS by B"},
+ {0x06, "read ACCESS by AB"},
+ {0x07, "read ACCESS by AB"}
+};
+
+char *mfGetAccessConditionsDesc(uint8_t blockn, uint8_t *data) {
+ static char StaticNone[] = "none";
+
+ uint8_t data1 = ((data[1] >> 4) & 0x0f) >> blockn;
+ uint8_t data2 = ((data[2]) & 0x0f) >> blockn;
+ uint8_t data3 = ((data[2] >> 4) & 0x0f) >> blockn;
+
+ uint8_t cond = (data1 & 0x01) << 2 | (data2 & 0x01) << 1 | (data3 & 0x01);
+
+ if (blockn == 3) {
+ for (int i = 0; i < ARRAYLEN(MFAccessConditionsTrailer); i++)
+ if (MFAccessConditionsTrailer[i].cond == cond) {
+ return MFAccessConditionsTrailer[i].description;
+ }
+ } else {
+ for (int i = 0; i < ARRAYLEN(MFAccessConditions); i++)
+ if (MFAccessConditions[i].cond == cond) {
+ return MFAccessConditions[i].description;
+ }
+ };
+
+ return StaticNone;
+};
+
+int CalculateEncIVCommand(mf4Session *session, uint8_t *iv, bool verbose) {
+ memcpy(&iv[0], session->TI, 4);
+ memcpy(&iv[4], &session->R_Ctr, 2);
+ memcpy(&iv[6], &session->W_Ctr, 2);
+ memcpy(&iv[8], &session->R_Ctr, 2);
+ memcpy(&iv[10], &session->W_Ctr, 2);
+ memcpy(&iv[12], &session->R_Ctr, 2);
+ memcpy(&iv[14], &session->W_Ctr, 2);
+
+ return 0;
+}
+
+int CalculateEncIVResponse(mf4Session *session, uint8_t *iv, bool verbose) {
+ memcpy(&iv[0], &session->R_Ctr, 2);
+ memcpy(&iv[2], &session->W_Ctr, 2);
+ memcpy(&iv[4], &session->R_Ctr, 2);
+ memcpy(&iv[6], &session->W_Ctr, 2);
+ memcpy(&iv[8], &session->R_Ctr, 2);
+ memcpy(&iv[10], &session->W_Ctr, 2);
+ memcpy(&iv[12], session->TI, 4);
+
+ return 0;
+}
+
+
+int CalculateMAC(mf4Session *session, MACType_t mtype, uint8_t blockNum, uint8_t blockCount, uint8_t *data, int datalen, uint8_t *mac, bool verbose) {
+ if (!session || !session->Authenticated || !mac || !data || !datalen || datalen < 1)
+ return 1;
+
+ memset(mac, 0x00, 8);
+
+ uint16_t ctr = session->R_Ctr;
+ switch (mtype) {
+ case mtypWriteCmd:
+ case mtypWriteResp:
+ ctr = session->W_Ctr;
+ break;
+ case mtypReadCmd:
+ case mtypReadResp:
+ break;
+ }
+
+ uint8_t macdata[2049] = {data[0], (ctr & 0xFF), (ctr >> 8), 0};
+ int macdatalen = datalen;
+ memcpy(&macdata[3], session->TI, 4);
+
+ switch (mtype) {
+ case mtypReadCmd:
+ memcpy(&macdata[7], &data[1], datalen - 1);
+ macdatalen = datalen + 6;
+ break;
+ case mtypReadResp:
+ macdata[7] = blockNum;
+ macdata[8] = 0;
+ macdata[9] = blockCount;
+ memcpy(&macdata[10], &data[1], datalen - 1);
+ macdatalen = datalen + 9;
+ break;
+ case mtypWriteCmd:
+ memcpy(&macdata[7], &data[1], datalen - 1);
+ macdatalen = datalen + 6;
+ break;
+ case mtypWriteResp:
+ macdatalen = 1 + 6;
+ break;
+ }
+
+ if (verbose)
+ PrintAndLog("MAC data[%d]: %s", macdatalen, sprint_hex(macdata, macdatalen));
+
+ return aes_cmac8(NULL, session->Kmac, macdata, mac, macdatalen);
+}
+
+int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateField, bool leaveSignalON, bool verbose) {
+ uint8_t data[257] = {0};
+ int datalen = 0;
+
+ uint8_t RndA[17] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x00};
+ uint8_t RndB[17] = {0};
+
+ if (session)
+ session->Authenticated = false;
+
+ uint8_t cmd1[] = {0x70, keyn[1], keyn[0], 0x00};
+ int res = ExchangeRAW14a(cmd1, sizeof(cmd1), activateField, true, data, sizeof(data), &datalen);
+ if (res) {
+ PrintAndLogEx(ERR, "Exchande raw error: %d", res);
+ DropField();
+ return 2;
+ }
+
+ if (verbose)
+ PrintAndLogEx(INFO, "<phase1: %s", sprint_hex(data, datalen));
+
+ if (datalen < 1) {
+ PrintAndLogEx(ERR, "Card response wrong length: %d", datalen);
+ DropField();
+ return 3;
+ }
+
+ if (data[0] != 0x90) {
+ PrintAndLogEx(ERR, "Card response error: %02x", data[2]);
+ DropField();
+ return 3;
+ }
+
+ if (datalen != 19) { // code 1b + 16b + crc 2b
+ PrintAndLogEx(ERR, "Card response must be 19 bytes long instead of: %d", datalen);
+ DropField();
+ return 3;
+ }
+
+ aes_decode(NULL, key, &data[1], RndB, 16);
+ RndB[16] = RndB[0];
+ if (verbose)
+ PrintAndLogEx(INFO, "RndB: %s", sprint_hex(RndB, 16));
+
+ uint8_t cmd2[33] = {0};
+ cmd2[0] = 0x72;
+
+ uint8_t raw[32] = {0};
+ memmove(raw, RndA, 16);
+ memmove(&raw[16], &RndB[1], 16);
+
+ aes_encode(NULL, key, raw, &cmd2[1], 32);
+ if (verbose)
+ PrintAndLogEx(INFO, ">phase2: %s", sprint_hex(cmd2, 33));
+
+ res = ExchangeRAW14a(cmd2, sizeof(cmd2), false, true, data, sizeof(data), &datalen);
+ if (res) {
+ PrintAndLogEx(ERR, "Exchande raw error: %d", res);
+ DropField();
+ return 4;
+ }
+
+ if (verbose)
+ PrintAndLogEx(INFO, "<phase2: %s", sprint_hex(data, datalen));
+
+ aes_decode(NULL, key, &data[1], raw, 32);
+
+ if (verbose) {
+ PrintAndLogEx(INFO, "res: %s", sprint_hex(raw, 32));
+ PrintAndLogEx(INFO, "RndA`: %s", sprint_hex(&raw[4], 16));
+ }
+
+ if (memcmp(&raw[4], &RndA[1], 16)) {
+ PrintAndLogEx(ERR, "\nAuthentication FAILED. rnd not equal");
+ if (verbose) {
+ PrintAndLogEx(ERR, "RndA reader: %s", sprint_hex(&RndA[1], 16));
+ PrintAndLogEx(ERR, "RndA card: %s", sprint_hex(&raw[4], 16));
+ }
+ DropField();
+ return 5;
+ }
+
+ if (verbose) {
+ PrintAndLogEx(INFO, " TI: %s", sprint_hex(raw, 4));
+ PrintAndLogEx(INFO, "pic: %s", sprint_hex(&raw[20], 6));
+ PrintAndLogEx(INFO, "pcd: %s", sprint_hex(&raw[26], 6));
+ }
+
+ uint8_t kenc[16] = {0};
+ memcpy(&kenc[0], &RndA[11], 5);
+ memcpy(&kenc[5], &RndB[11], 5);
+ for (int i = 0; i < 5; i++)
+ kenc[10 + i] = RndA[4 + i] ^ RndB[4 + i];
+ kenc[15] = 0x11;
+
+ aes_encode(NULL, key, kenc, kenc, 16);
+ if (verbose) {
+ PrintAndLogEx(INFO, "kenc: %s", sprint_hex(kenc, 16));
+ }
+
+ uint8_t kmac[16] = {0};
+ memcpy(&kmac[0], &RndA[7], 5);
+ memcpy(&kmac[5], &RndB[7], 5);
+ for(int i = 0; i < 5; i++)
+ kmac[10 + i] = RndA[0 + i] ^ RndB[0 + i];
+ kmac[15] = 0x22;
+
+ aes_encode(NULL, key, kmac, kmac, 16);
+ if (verbose) {
+ PrintAndLog("kmac: %s", sprint_hex(kmac, 16));
+ }
+
+ if (!leaveSignalON)
+ DropField();
+
+ if (verbose)
+ PrintAndLog("");
+
+ if (session) {
+ session->Authenticated = true;
+ session->R_Ctr = 0;
+ session->W_Ctr = 0;
+ session->KeyNum = keyn[1] + (keyn[0] << 8);
+ memmove(session->RndA, RndA, 16);
+ memmove(session->RndB, RndB, 16);
+ memmove(session->Key, key, 16);
+ memmove(session->TI, raw, 4);
+ memmove(session->PICCap2, &raw[20], 6);
+ memmove(session->PCDCap2, &raw[26], 6);
+ memmove(session->Kenc, kenc, 16);
+ memmove(session->Kmac, kmac, 16);
+ }
+
+ if (verbose)
+ PrintAndLogEx(INFO, "Authentication OK");
+
+ return 0;
+}
+
+int intExchangeRAW14aPlus(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
+ if (VerboseMode)
+ PrintAndLogEx(INFO, ">>> %s", sprint_hex(datain, datainlen));
+
+ int res = ExchangeRAW14a(datain, datainlen, activateField, leaveSignalON, dataout, maxdataoutlen, dataoutlen);
+
+ if (VerboseMode)
+ PrintAndLogEx(INFO, "<<< %s", sprint_hex(dataout, *dataoutlen));
+
+ return res;
+}
+
+int MFPWritePerso(uint8_t *keyNum, uint8_t *key, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
+ uint8_t rcmd[3 + 16] = {0xa8, keyNum[1], keyNum[0], 0x00};
+ memmove(&rcmd[3], key, 16);
+
+ return intExchangeRAW14aPlus(rcmd, sizeof(rcmd), activateField, leaveSignalON, dataout, maxdataoutlen, dataoutlen);
+}
+
+int MFPCommitPerso(bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen) {
+ uint8_t rcmd[1] = {0xaa};
+
+ return intExchangeRAW14aPlus(rcmd, sizeof(rcmd), activateField, leaveSignalON, dataout, maxdataoutlen, dataoutlen);
+}
+
+int MFPReadBlock(mf4Session *session, bool plain, uint8_t blockNum, uint8_t blockCount, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen, uint8_t *mac) {
+ uint8_t rcmd[4 + 8] = {(plain ? (0x37) : (0x33)), blockNum, 0x00, blockCount};
+ if (!plain && session)
+ CalculateMAC(session, mtypReadCmd, blockNum, blockCount, rcmd, 4, &rcmd[4], VerboseMode);
+
+ int res = intExchangeRAW14aPlus(rcmd, plain ? 4 : sizeof(rcmd), activateField, leaveSignalON, dataout, maxdataoutlen, dataoutlen);
+ if (res)
+ return res;
+
+ if (session)
+ session->R_Ctr++;
+
+ if (session && mac && *dataoutlen > 11)
+ CalculateMAC(session, mtypReadResp, blockNum, blockCount, dataout, *dataoutlen - 8 - 2, mac, VerboseMode);
+
+ return 0;
+}
+
+int MFPWriteBlock(mf4Session *session, uint8_t blockNum, uint8_t *data, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen, uint8_t *mac) {
+ uint8_t rcmd[1 + 2 + 16 + 8] = {0xA3, blockNum, 0x00};
+ memmove(&rcmd[3], data, 16);
+ if (session)
+ CalculateMAC(session, mtypWriteCmd, blockNum, 1, rcmd, 19, &rcmd[19], VerboseMode);
+
+ int res = intExchangeRAW14aPlus(rcmd, sizeof(rcmd), activateField, leaveSignalON, dataout, maxdataoutlen, dataoutlen);
+ if (res)
+ return res;
+
+ if (session)
+ session->W_Ctr++;
+
+ if (session && mac && *dataoutlen > 3)
+ CalculateMAC(session, mtypWriteResp, blockNum, 1, dataout, *dataoutlen, mac, VerboseMode);
+
+ return 0;
+}
+
+int mfpReadSector(uint8_t sectorNo, uint8_t keyType, uint8_t *key, uint8_t *dataout, bool verbose) {
+ uint8_t keyn[2] = {0};
+ bool plain = false;
+
+ uint16_t uKeyNum = 0x4000 + sectorNo * 2 + (keyType ? 1 : 0);
+ keyn[0] = uKeyNum >> 8;
+ keyn[1] = uKeyNum & 0xff;
+ if (verbose)
+ PrintAndLogEx(INFO, "--sector[%d]:%02x key:%04x", mfNumBlocksPerSector(sectorNo), sectorNo, uKeyNum);
+
+ mf4Session session;
+ int res = MifareAuth4(&session, keyn, key, true, true, verbose);
+ if (res) {
+ PrintAndLogEx(ERR, "Sector %d authentication error: %d", sectorNo, res);
+ return res;
+ }
+
+ uint8_t data[250] = {0};
+ int datalen = 0;
+ uint8_t mac[8] = {0};
+ uint8_t firstBlockNo = mfFirstBlockOfSector(sectorNo);
+ for (int n = firstBlockNo; n < firstBlockNo + mfNumBlocksPerSector(sectorNo); n++) {
+ res = MFPReadBlock(&session, plain, n & 0xff, 1, false, true, data, sizeof(data), &datalen, mac);
+ if (res) {
+ PrintAndLogEx(ERR, "Sector %d read error: %d", sectorNo, res);
+ DropField();
+ return res;
+ }
+
+ if (datalen && data[0] != 0x90) {
+ PrintAndLogEx(ERR, "Sector %d card read error: %02x %s", sectorNo, data[0], mfpGetErrorDescription(data[0]));
+ DropField();
+ return 5;
+ }
+ if (datalen != 1 + 16 + 8 + 2) {
+ PrintAndLogEx(ERR, "Sector %d error returned data length:%d", sectorNo, datalen);
+ DropField();
+ return 6;
+ }
+
+ memcpy(&dataout[(n - firstBlockNo) * 16], &data[1], 16);
+
+ if (verbose)
+ PrintAndLogEx(INFO, "data[%03d]: %s", n, sprint_hex(&data[1], 16));
+
+ if (memcmp(&data[1 + 16], mac, 8)) {
+ PrintAndLogEx(WARNING, "WARNING: mac on block %d not equal...", n);
+ PrintAndLogEx(WARNING, "MAC card: %s", sprint_hex(&data[1 + 16], 8));
+ PrintAndLogEx(WARNING, "MAC reader: %s", sprint_hex(mac, 8));
+
+ if (!verbose)
+ return 7;
+ } else {
+ if (verbose)
+ PrintAndLogEx(INFO, "MAC: %s", sprint_hex(&data[1 + 16], 8));
+ }
+ }
+ DropField();
+
+ return 0;
+}
+
+// Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),
+// plus evtl. 8 sectors with 16 blocks each (4k cards)
+uint8_t mfNumBlocksPerSector(uint8_t sectorNo) {
+ if (sectorNo < 32)
+ return 4;
+ else
+ return 16;
+}
+
+uint8_t mfFirstBlockOfSector(uint8_t sectorNo) {
+ if (sectorNo < 32)
+ return sectorNo * 4;
+ else
+ return 32 * 4 + (sectorNo - 32) * 16;
+}
+
+uint8_t mfSectorTrailer(uint8_t blockNo) {
+ if (blockNo < 32 * 4) {
+ return (blockNo | 0x03);
+ } else {
+ return (blockNo | 0x0f);
+ }
+}
+
+bool mfIsSectorTrailer(uint8_t blockNo) {
+ return (blockNo == mfSectorTrailer(blockNo));
+}
+
+uint8_t mfSectorNum(uint8_t blockNo) {
+ if (blockNo < 32 * 4)
+ return blockNo / 4;
+ else
+ return 32 + (blockNo - 32 * 4) / 16;
+
+}
--- /dev/null
+//-----------------------------------------------------------------------------
+// Copyright (C) 2018 Merlok
+// Copyright (C) 2018 drHatson
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// iso14443-4 mifare commands
+//-----------------------------------------------------------------------------
+
+#ifndef MIFARE4_H
+#define MIFARE4_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+typedef struct {
+ bool Authenticated;
+ uint8_t Key[16];
+ uint16_t KeyNum;
+ uint8_t RndA[16];
+ uint8_t RndB[16];
+ uint8_t TI[4];
+ uint8_t PICCap2[6];
+ uint8_t PCDCap2[6];
+ uint8_t Kenc[16];
+ uint8_t Kmac[16];
+ uint16_t R_Ctr;
+ uint16_t W_Ctr;
+}mf4Session;
+
+typedef enum {
+ mtypReadCmd,
+ mtypReadResp,
+ mtypWriteCmd,
+ mtypWriteResp,
+} MACType_t;
+
+typedef struct {
+ uint8_t cond;
+ char *description;
+} AccessConditions_t;
+
+extern void mfpSetVerboseMode(bool verbose);
+extern const char *mfpGetErrorDescription(uint8_t errorCode);
+
+extern int CalculateMAC(mf4Session *session, MACType_t mtype, uint8_t blockNum, uint8_t blockCount, uint8_t *data, int datalen, uint8_t *mac, bool verbose);
+extern int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateField, bool leaveSignalON, bool verbose);
+
+extern int MFPWritePerso(uint8_t *keyNum, uint8_t *key, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen);
+extern int MFPCommitPerso(bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen);
+extern int MFPReadBlock(mf4Session *session, bool plain, uint8_t blockNum, uint8_t blockCount, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen, uint8_t *mac);
+extern int MFPWriteBlock(mf4Session *session, uint8_t blockNum, uint8_t *data, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen, uint8_t *mac);
+extern int mfpReadSector(uint8_t sectorNo, uint8_t keyType, uint8_t *key, uint8_t *dataout, bool verbose);
+
+extern char *mfGetAccessConditionsDesc(uint8_t blockn, uint8_t *data);
+
+extern uint8_t mfNumBlocksPerSector(uint8_t sectorNo);
+extern uint8_t mfFirstBlockOfSector(uint8_t sectorNo);
+extern uint8_t mfSectorTrailer(uint8_t blockNo);
+extern bool mfIsSectorTrailer(uint8_t blockNo);
+extern uint8_t mfSectorNum(uint8_t blockNo);
+
+
+#endif // mifare4.h
--- /dev/null
+//-----------------------------------------------------------------------------
+// Copyright (C) 2017 Merlok
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Mifare default constants
+//-----------------------------------------------------------------------------
+
+#ifndef MIFAREDEFAULT_H__
+#define MIFAREDEFAULT_H__
+
+#include <inttypes.h>
+
+#define MifareDefaultKeysSize sizeof(MifareDefaultKeys) / sizeof(uint64_t)
+
+static const uint64_t MifareDefaultKeys[] =
+{
+ 0xffffffffffff, // Default key (first key used by program if no user defined key)
+ 0x000000000000, // Blank key
+ 0xa0a1a2a3a4a5, // NFCForum MAD key
+ 0xb0b1b2b3b4b5,
+ 0xaabbccddeeff,
+ 0x1a2b3c4d5e6f,
+ 0x123456789abc,
+ 0x010203040506,
+ 0x123456abcdef,
+ 0xabcdef123456,
+ 0x4d3a99c351dd,
+ 0x1a982c7e459a,
+ 0xd3f7d3f7d3f7,
+ 0x714c5c886e97,
+ 0x587ee5f9350f,
+ 0xa0478cc39091,
+ 0x533cb6c723f6,
+ 0x8fd0a4f256e9
+};
+
+static const uint8_t g_mifare_mad_key[] = {0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5};
+static const uint8_t g_mifare_ndef_key[] = {0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7};
+static const uint8_t g_mifarep_mad_key[] = {0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7};
+static const uint8_t g_mifarep_ndef_key[] = {0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7};
+
+#endif
--- /dev/null
+// Merlok, 2011, 2012
+// people from mifare@nethemba.com, 2010
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// mifare commands
+//-----------------------------------------------------------------------------
+
+#include "mifarehost.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <pthread.h>
+
+#include "crapto1/crapto1.h"
+#include "comms.h"
+#include "usb_cmd.h"
+#include "cmdmain.h"
+#include "ui.h"
+#include "parity.h"
+#include "util.h"
+#include "iso14443crc.h"
+
+#include "mifare.h"
+#include "mifare4.h"
+
+// mifare tracer flags used in mfTraceDecode()
+#define TRACE_IDLE 0x00
+#define TRACE_AUTH1 0x01
+#define TRACE_AUTH2 0x02
+#define TRACE_AUTH_OK 0x03
+#define TRACE_READ_DATA 0x04
+#define TRACE_WRITE_OK 0x05
+#define TRACE_WRITE_DATA 0x06
+#define TRACE_ERROR 0xFF
+
+
+static int compare_uint64(const void *a, const void *b) {
+ // didn't work: (the result is truncated to 32 bits)
+ //return (*(int64_t*)b - *(int64_t*)a);
+
+ // better:
+ if (*(uint64_t*)b == *(uint64_t*)a) return 0;
+ else if (*(uint64_t*)b < *(uint64_t*)a) return 1;
+ else return -1;
+}
+
+
+// create the intersection (common members) of two sorted lists. Lists are terminated by -1. Result will be in list1. Number of elements is returned.
+static uint32_t intersection(uint64_t *list1, uint64_t *list2)
+{
+ if (list1 == NULL || list2 == NULL) {
+ return 0;
+ }
+ uint64_t *p1, *p2, *p3;
+ p1 = p3 = list1;
+ p2 = list2;
+
+ while ( *p1 != -1 && *p2 != -1 ) {
+ if (compare_uint64(p1, p2) == 0) {
+ *p3++ = *p1++;
+ p2++;
+ }
+ else {
+ while (compare_uint64(p1, p2) < 0) ++p1;
+ while (compare_uint64(p1, p2) > 0) ++p2;
+ }
+ }
+ *p3 = -1;
+ return p3 - list1;
+}
+
+
+// Darkside attack (hf mf mifare)
+static uint32_t nonce2key(uint32_t uid, uint32_t nt, uint32_t nr, uint32_t ar, uint64_t par_info, uint64_t ks_info, uint64_t **keys) {
+ struct Crypto1State *states;
+ uint32_t i, pos;
+ uint8_t bt, ks3x[8], par[8][8];
+ uint64_t key_recovered;
+ uint64_t *keylist;
+
+ // Reset the last three significant bits of the reader nonce
+ nr &= 0xffffff1f;
+
+ for (pos=0; pos<8; pos++) {
+ ks3x[7-pos] = (ks_info >> (pos*8)) & 0x0f;
+ bt = (par_info >> (pos*8)) & 0xff;
+ for (i=0; i<8; i++) {
+ par[7-pos][i] = (bt >> i) & 0x01;
+ }
+ }
+
+ states = lfsr_common_prefix(nr, ar, ks3x, par, (par_info == 0));
+
+ if (states == NULL) {
+ *keys = NULL;
+ return 0;
+ }
+
+ keylist = (uint64_t*)states;
+
+ for (i = 0; keylist[i]; i++) {
+ lfsr_rollback_word(states+i, uid^nt, 0);
+ crypto1_get_lfsr(states+i, &key_recovered);
+ keylist[i] = key_recovered;
+ }
+ keylist[i] = -1;
+
+ *keys = keylist;
+ return i;
+}
+
+
+int mfDarkside(uint64_t *key)
+{
+ uint32_t uid = 0;
+ uint32_t nt = 0, nr = 0, ar = 0;
+ uint64_t par_list = 0, ks_list = 0;
+ uint64_t *keylist = NULL, *last_keylist = NULL;
+ uint32_t keycount = 0;
+ int16_t isOK = 0;
+
+ UsbCommand c = {CMD_READER_MIFARE, {true, 0, 0}};
+
+ // message
+ printf("-------------------------------------------------------------------------\n");
+ printf("Executing command. Expected execution time: 25sec on average\n");
+ printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n");
+ printf("-------------------------------------------------------------------------\n");
+
+
+ while (true) {
+ clearCommandBuffer();
+ SendCommand(&c);
+
+ //flush queue
+ while (ukbhit()) {
+ int c = getchar(); (void) c;
+ }
+
+ // wait cycle
+ while (true) {
+ printf(".");
+ fflush(stdout);
+ if (ukbhit()) {
+ return -5;
+ break;
+ }
+
+ UsbCommand resp;
+ if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {
+ isOK = resp.arg[0];
+ if (isOK < 0) {
+ return isOK;
+ }
+ uid = (uint32_t)bytes_to_num(resp.d.asBytes + 0, 4);
+ nt = (uint32_t)bytes_to_num(resp.d.asBytes + 4, 4);
+ par_list = bytes_to_num(resp.d.asBytes + 8, 8);
+ ks_list = bytes_to_num(resp.d.asBytes + 16, 8);
+ nr = (uint32_t)bytes_to_num(resp.d.asBytes + 24, 4);
+ ar = (uint32_t)bytes_to_num(resp.d.asBytes + 28, 4);
+ break;
+ }
+ }
+
+ if (par_list == 0 && c.arg[0] == true) {
+ PrintAndLog("Parity is all zero. Most likely this card sends NACK on every failed authentication.");
+ }
+ c.arg[0] = false;
+
+ keycount = nonce2key(uid, nt, nr, ar, par_list, ks_list, &keylist);
+
+ if (keycount == 0) {
+ PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt);
+ PrintAndLog("This is expected to happen in 25%% of all cases. Trying again with a different reader nonce...");
+ continue;
+ }
+
+ if (par_list == 0) {
+ qsort(keylist, keycount, sizeof(*keylist), compare_uint64);
+ keycount = intersection(last_keylist, keylist);
+ if (keycount == 0) {
+ free(last_keylist);
+ last_keylist = keylist;
+ continue;
+ }
+ }
+
+ if (keycount > 1) {
+ PrintAndLog("Found %u possible keys. Trying to authenticate with each of them ...\n", keycount);
+ } else {
+ PrintAndLog("Found a possible key. Trying to authenticate...\n");
+ }
+
+ *key = -1;
+ uint8_t keyBlock[USB_CMD_DATA_SIZE];
+ int max_keys = USB_CMD_DATA_SIZE/6;
+ for (int i = 0; i < keycount; i += max_keys) {
+ int size = keycount - i > max_keys ? max_keys : keycount - i;
+ for (int j = 0; j < size; j++) {
+ if (par_list == 0) {
+ num_to_bytes(last_keylist[i*max_keys + j], 6, keyBlock+(j*6));
+ } else {
+ num_to_bytes(keylist[i*max_keys + j], 6, keyBlock+(j*6));
+ }
+ }
+ if (!mfCheckKeys(0, 0, false, size, keyBlock, key)) {
+ break;
+ }
+ }
+
+ if (*key != -1) {
+ free(last_keylist);
+ free(keylist);
+ break;
+ } else {
+ PrintAndLog("Authentication failed. Trying again...");
+ free(last_keylist);
+ last_keylist = keylist;
+ }
+ }
+
+ return 0;
+}
+
+
+int mfCheckKeys (uint8_t blockNo, uint8_t keyType, bool clear_trace, uint8_t keycnt, uint8_t * keyBlock, uint64_t * key){
+
+ *key = -1;
+
+ UsbCommand c = {CMD_MIFARE_CHKKEYS, {((blockNo & 0xff) | ((keyType & 0xff) << 8)), clear_trace, keycnt}};
+ memcpy(c.d.asBytes, keyBlock, 6 * keycnt);
+ SendCommand(&c);
+
+ UsbCommand resp;
+ if (!WaitForResponseTimeout(CMD_ACK,&resp,3000)) return 1;
+ if ((resp.arg[0] & 0xff) != 0x01) return 2;
+ *key = bytes_to_num(resp.d.asBytes, 6);
+ return 0;
+}
+
+int mfCheckKeysSec(uint8_t sectorCnt, uint8_t keyType, uint8_t timeout14a, bool clear_trace, uint8_t keycnt, uint8_t * keyBlock, sector_t * e_sector){
+
+ uint8_t keyPtr = 0;
+
+ if (e_sector == NULL)
+ return -1;
+
+ UsbCommand c = {CMD_MIFARE_CHKKEYS, {((sectorCnt & 0xff) | ((keyType & 0xff) << 8)), (clear_trace | 0x02)|((timeout14a & 0xff) << 8), keycnt}};
+ memcpy(c.d.asBytes, keyBlock, 6 * keycnt);
+ SendCommand(&c);
+
+ UsbCommand resp;
+ if (!WaitForResponseTimeoutW(CMD_ACK, &resp, MAX(3000, 1000 + 13 * sectorCnt * keycnt * (keyType == 2 ? 2 : 1)), false)) return 1; // timeout: 13 ms / fail auth
+ if ((resp.arg[0] & 0xff) != 0x01) return 2;
+
+ bool foundAKey = false;
+ for(int sec = 0; sec < sectorCnt; sec++){
+ for(int keyAB = 0; keyAB < 2; keyAB++){
+ keyPtr = *(resp.d.asBytes + keyAB * 40 + sec);
+ if (keyPtr){
+ e_sector[sec].foundKey[keyAB] = true;
+ e_sector[sec].Key[keyAB] = bytes_to_num(keyBlock + (keyPtr - 1) * 6, 6);
+ foundAKey = true;
+ }
+ }
+ }
+ return foundAKey ? 0 : 3;
+}
+
+// Compare 16 Bits out of cryptostate
+int Compare16Bits(const void * a, const void * b) {
+ if ((*(uint64_t*)b & 0x00ff000000ff0000) == (*(uint64_t*)a & 0x00ff000000ff0000)) return 0;
+ else if ((*(uint64_t*)b & 0x00ff000000ff0000) > (*(uint64_t*)a & 0x00ff000000ff0000)) return 1;
+ else return -1;
+}
+
+typedef
+ struct {
+ union {
+ struct Crypto1State *slhead;
+ uint64_t *keyhead;
+ } head;
+ union {
+ struct Crypto1State *sltail;
+ uint64_t *keytail;
+ } tail;
+ uint32_t len;
+ uint32_t uid;
+ uint32_t blockNo;
+ uint32_t keyType;
+ uint32_t nt;
+ uint32_t ks1;
+ } StateList_t;
+
+
+// wrapper function for multi-threaded lfsr_recovery32
+void
+#ifdef __has_attribute
+#if __has_attribute(force_align_arg_pointer)
+__attribute__((force_align_arg_pointer))
+#endif
+#endif
+*nested_worker_thread(void *arg)
+{
+ struct Crypto1State *p1;
+ StateList_t *statelist = arg;
+
+ statelist->head.slhead = lfsr_recovery32(statelist->ks1, statelist->nt ^ statelist->uid);
+ for (p1 = statelist->head.slhead; *(uint64_t *)p1 != 0; p1++);
+ statelist->len = p1 - statelist->head.slhead;
+ statelist->tail.sltail = --p1;
+ qsort(statelist->head.slhead, statelist->len, sizeof(uint64_t), Compare16Bits);
+
+ return statelist->head.slhead;
+}
+
+
+int mfnested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBlockNo, uint8_t trgKeyType, uint8_t *resultKey, bool calibrate)
+{
+ uint16_t i;
+ uint32_t uid;
+ UsbCommand resp;
+
+ StateList_t statelists[2];
+ struct Crypto1State *p1, *p2, *p3, *p4;
+
+ // flush queue
+ (void)WaitForResponseTimeout(CMD_ACK,NULL,100);
+
+ UsbCommand c = {CMD_MIFARE_NESTED, {blockNo + keyType * 0x100, trgBlockNo + trgKeyType * 0x100, calibrate}};
+ memcpy(c.d.asBytes, key, 6);
+ SendCommand(&c);
+
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+ return -1;
+ }
+
+ if (resp.arg[0]) {
+ return resp.arg[0]; // error during nested
+ }
+
+ memcpy(&uid, resp.d.asBytes, 4);
+ PrintAndLog("uid:%08x trgbl=%d trgkey=%x", uid, (uint16_t)resp.arg[2] & 0xff, (uint16_t)resp.arg[2] >> 8);
+
+ for (i = 0; i < 2; i++) {
+ statelists[i].blockNo = resp.arg[2] & 0xff;
+ statelists[i].keyType = (resp.arg[2] >> 8) & 0xff;
+ statelists[i].uid = uid;
+ memcpy(&statelists[i].nt, (void *)(resp.d.asBytes + 4 + i * 8 + 0), 4);
+ memcpy(&statelists[i].ks1, (void *)(resp.d.asBytes + 4 + i * 8 + 4), 4);
+ }
+
+ // calc keys
+
+ pthread_t thread_id[2];
+
+ // create and run worker threads
+ for (i = 0; i < 2; i++) {
+ pthread_create(thread_id + i, NULL, nested_worker_thread, &statelists[i]);
+ }
+
+ // wait for threads to terminate:
+ for (i = 0; i < 2; i++) {
+ pthread_join(thread_id[i], (void*)&statelists[i].head.slhead);
+ }
+
+
+ // the first 16 Bits of the cryptostate already contain part of our key.
+ // Create the intersection of the two lists based on these 16 Bits and
+ // roll back the cryptostate
+ p1 = p3 = statelists[0].head.slhead;
+ p2 = p4 = statelists[1].head.slhead;
+ while (p1 <= statelists[0].tail.sltail && p2 <= statelists[1].tail.sltail) {
+ if (Compare16Bits(p1, p2) == 0) {
+ struct Crypto1State savestate, *savep = &savestate;
+ savestate = *p1;
+ while(Compare16Bits(p1, savep) == 0 && p1 <= statelists[0].tail.sltail) {
+ *p3 = *p1;
+ lfsr_rollback_word(p3, statelists[0].nt ^ statelists[0].uid, 0);
+ p3++;
+ p1++;
+ }
+ savestate = *p2;
+ while(Compare16Bits(p2, savep) == 0 && p2 <= statelists[1].tail.sltail) {
+ *p4 = *p2;
+ lfsr_rollback_word(p4, statelists[1].nt ^ statelists[1].uid, 0);
+ p4++;
+ p2++;
+ }
+ }
+ else {
+ while (Compare16Bits(p1, p2) == -1) p1++;
+ while (Compare16Bits(p1, p2) == 1) p2++;
+ }
+ }
+ *(uint64_t*)p3 = -1;
+ *(uint64_t*)p4 = -1;
+ statelists[0].len = p3 - statelists[0].head.slhead;
+ statelists[1].len = p4 - statelists[1].head.slhead;
+ statelists[0].tail.sltail=--p3;
+ statelists[1].tail.sltail=--p4;
+
+ // the statelists now contain possible keys. The key we are searching for must be in the
+ // intersection of both lists. Create the intersection:
+ qsort(statelists[0].head.keyhead, statelists[0].len, sizeof(uint64_t), compare_uint64);
+ qsort(statelists[1].head.keyhead, statelists[1].len, sizeof(uint64_t), compare_uint64);
+ statelists[0].len = intersection(statelists[0].head.keyhead, statelists[1].head.keyhead);
+
+ memset(resultKey, 0, 6);
+ // The list may still contain several key candidates. Test each of them with mfCheckKeys
+ for (i = 0; i < statelists[0].len; i++) {
+ uint8_t keyBlock[6];
+ uint64_t key64;
+ crypto1_get_lfsr(statelists[0].head.slhead + i, &key64);
+ num_to_bytes(key64, 6, keyBlock);
+ key64 = 0;
+ if (!mfCheckKeys(statelists[0].blockNo, statelists[0].keyType, false, 1, keyBlock, &key64)) {
+ num_to_bytes(key64, 6, resultKey);
+ break;
+ }
+ }
+
+ free(statelists[0].head.slhead);
+ free(statelists[1].head.slhead);
+
+ return 0;
+}
+
+// MIFARE
+int mfReadSector(uint8_t sectorNo, uint8_t keyType, uint8_t *key, uint8_t *data) {
+
+ UsbCommand c = {CMD_MIFARE_READSC, {sectorNo, keyType, 0}};
+ memcpy(c.d.asBytes, key, 6);
+ clearCommandBuffer();
+ SendCommand(&c);
+
+ UsbCommand resp;
+ if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+ uint8_t isOK = resp.arg[0] & 0xff;
+
+ if (isOK) {
+ memcpy(data, resp.d.asBytes, mfNumBlocksPerSector(sectorNo) * 16);
+ return 0;
+ } else {
+ return 1;
+ }
+ } else {
+ PrintAndLogEx(ERR, "Command execute timeout");
+ return 2;
+ }
+
+ return 0;
+}
+
+// EMULATOR
+
+int mfEmlGetMem(uint8_t *data, int blockNum, int blocksCount) {
+ UsbCommand c = {CMD_MIFARE_EML_MEMGET, {blockNum, blocksCount, 0}};
+ SendCommand(&c);
+
+ UsbCommand resp;
+ if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) return 1;
+ memcpy(data, resp.d.asBytes, blocksCount * 16);
+ return 0;
+}
+
+int mfEmlSetMem(uint8_t *data, int blockNum, int blocksCount) {
+ UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNum, blocksCount, 0}};
+ memcpy(c.d.asBytes, data, blocksCount * 16);
+ SendCommand(&c);
+ return 0;
+}
+
+// "MAGIC" CARD
+
+int mfCGetBlock(uint8_t blockNo, uint8_t *data, uint8_t params) {
+ uint8_t isOK = 0;
+
+ UsbCommand c = {CMD_MIFARE_CGETBLOCK, {params, 0, blockNo}};
+ SendCommand(&c);
+
+ UsbCommand resp;
+ if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {
+ isOK = resp.arg[0] & 0xff;
+ memcpy(data, resp.d.asBytes, 16);
+ if (!isOK) return 2;
+ } else {
+ PrintAndLog("Command execute timeout");
+ return 1;
+ }
+ return 0;
+}
+
+int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, bool wantWipe, uint8_t params) {
+
+ uint8_t isOK = 0;
+ UsbCommand c = {CMD_MIFARE_CSETBLOCK, {wantWipe, params & (0xFE | (uid == NULL ? 0:1)), blockNo}};
+ memcpy(c.d.asBytes, data, 16);
+ SendCommand(&c);
+
+ UsbCommand resp;
+ if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
+ isOK = resp.arg[0] & 0xff;
+ if (uid != NULL)
+ memcpy(uid, resp.d.asBytes, 4);
+ if (!isOK)
+ return 2;
+ } else {
+ PrintAndLog("Command execute timeout");
+ return 1;
+ }
+
+ return 0;
+}
+
+int mfCWipe(uint32_t numSectors, bool gen1b, bool wantWipe, bool wantFill) {
+ uint8_t isOK = 0;
+ uint8_t cmdParams = wantWipe + wantFill * 0x02 + gen1b * 0x04;
+ UsbCommand c = {CMD_MIFARE_CWIPE, {numSectors, cmdParams, 0}};
+ SendCommand(&c);
+
+ UsbCommand resp;
+ WaitForResponse(CMD_ACK,&resp);
+ isOK = resp.arg[0] & 0xff;
+
+ return isOK;
+}
+
+int mfCSetUID(uint8_t *uid, uint8_t *atqa, uint8_t *sak, uint8_t *oldUID) {
+ uint8_t oldblock0[16] = {0x00};
+ uint8_t block0[16] = {0x00};
+ int gen = 0, res;
+
+ gen = mfCIdentify();
+
+ /* generation 1a magic card by default */
+ uint8_t cmdParams = CSETBLOCK_SINGLE_OPER;
+ if (gen == 2) {
+ /* generation 1b magic card */
+ cmdParams = CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B;
+ }
+
+ res = mfCGetBlock(0, oldblock0, cmdParams);
+
+ if (res == 0) {
+ memcpy(block0, oldblock0, 16);
+ PrintAndLog("old block 0: %s", sprint_hex(block0,16));
+ } else {
+ PrintAndLog("Couldn't get old data. Will write over the last bytes of Block 0.");
+ }
+
+ // fill in the new values
+ // UID
+ memcpy(block0, uid, 4);
+ // Mifare UID BCC
+ block0[4] = block0[0] ^ block0[1] ^ block0[2] ^ block0[3];
+ // mifare classic SAK(byte 5) and ATQA(byte 6 and 7, reversed)
+ if (sak != NULL)
+ block0[5] = sak[0];
+ if (atqa != NULL) {
+ block0[6] = atqa[1];
+ block0[7] = atqa[0];
+ }
+ PrintAndLog("new block 0: %s", sprint_hex(block0, 16));
+
+ res = mfCSetBlock(0, block0, oldUID, false, cmdParams);
+ if (res) {
+ PrintAndLog("Can't set block 0. Error: %d", res);
+ return res;
+ }
+
+ return 0;
+}
+
+int mfCIdentify() {
+ UsbCommand c = {CMD_MIFARE_CIDENT, {0, 0, 0}};
+ SendCommand(&c);
+ UsbCommand resp;
+ WaitForResponse(CMD_ACK,&resp);
+
+ uint8_t isGeneration = resp.arg[0] & 0xff;
+ switch( isGeneration ){
+ case 1: PrintAndLog("Chinese magic backdoor commands (GEN 1a) detected"); break;
+ case 2: PrintAndLog("Chinese magic backdoor command (GEN 1b) detected"); break;
+ default: PrintAndLog("No chinese magic backdoor command detected"); break;
+ }
+
+ return (int) isGeneration;
+}
+
+
+// SNIFFER
+
+// constants
+static uint8_t trailerAccessBytes[4] = {0x08, 0x77, 0x8F, 0x00};
+
+// variables
+char logHexFileName[FILE_PATH_SIZE] = {0x00};
+static uint8_t traceCard[4096] = {0x00};
+static char traceFileName[FILE_PATH_SIZE] = {0x00};
+static int traceState = TRACE_IDLE;
+static uint8_t traceCurBlock = 0;
+static uint8_t traceCurKey = 0;
+
+struct Crypto1State *traceCrypto1 = NULL;
+
+struct Crypto1State *revstate;
+uint64_t lfsr;
+uint64_t ui64Key;
+uint32_t ks2;
+uint32_t ks3;
+
+uint32_t uid; // serial number
+uint32_t nt; // tag challenge
+uint32_t nt_enc; // encrypted tag challenge
+uint8_t nt_enc_par; // encrypted tag challenge parity
+uint32_t nr_enc; // encrypted reader challenge
+uint32_t ar_enc; // encrypted reader response
+uint8_t ar_enc_par; // encrypted reader response parity
+uint32_t at_enc; // encrypted tag response
+uint8_t at_enc_par; // encrypted tag response parity
+
+int isTraceCardEmpty(void) {
+ return ((traceCard[0] == 0) && (traceCard[1] == 0) && (traceCard[2] == 0) && (traceCard[3] == 0));
+}
+
+int isBlockEmpty(int blockN) {
+ for (int i = 0; i < 16; i++)
+ if (traceCard[blockN * 16 + i] != 0) return 0;
+
+ return 1;
+}
+
+int isBlockTrailer(int blockN) {
+ return ((blockN & 0x03) == 0x03);
+}
+
+int saveTraceCard(void) {
+ FILE * f;
+
+ if ((!strlen(traceFileName)) || (isTraceCardEmpty())) return 0;
+
+ f = fopen(traceFileName, "w+");
+ if ( !f ) return 1;
+
+ for (int i = 0; i < 64; i++) { // blocks
+ for (int j = 0; j < 16; j++) // bytes
+ fprintf(f, "%02x", *(traceCard + i * 16 + j));
+ if (i < 63)
+ fprintf(f,"\n");
+ }
+ fclose(f);
+ return 0;
+}
+
+int loadTraceCard(uint8_t *tuid) {
+ FILE * f;
+ char buf[64] = {0x00};
+ uint8_t buf8[64] = {0x00};
+ int i, blockNum;
+
+ if (!isTraceCardEmpty())
+ saveTraceCard();
+
+ memset(traceCard, 0x00, 4096);
+ memcpy(traceCard, tuid + 3, 4);
+
+ FillFileNameByUID(traceFileName, tuid, ".eml", 7);
+
+ f = fopen(traceFileName, "r");
+ if (!f) return 1;
+
+ blockNum = 0;
+
+ while(!feof(f)){
+
+ memset(buf, 0, sizeof(buf));
+ if (fgets(buf, sizeof(buf), f) == NULL) {
+ PrintAndLog("File reading error.");
+ fclose(f);
+ return 2;
+ }
+
+ if (strlen(buf) < 32){
+ if (feof(f)) break;
+ PrintAndLog("File content error. Block data must include 32 HEX symbols");
+ fclose(f);
+ return 2;
+ }
+ for (i = 0; i < 32; i += 2)
+ sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);
+
+ memcpy(traceCard + blockNum * 16, buf8, 16);
+
+ blockNum++;
+ }
+ fclose(f);
+
+ return 0;
+}
+
+int mfTraceInit(uint8_t *tuid, uint8_t *atqa, uint8_t sak, bool wantSaveToEmlFile) {
+
+ if (traceCrypto1)
+ crypto1_destroy(traceCrypto1);
+
+ traceCrypto1 = NULL;
+
+ if (wantSaveToEmlFile)
+ loadTraceCard(tuid);
+
+ traceCard[4] = traceCard[0] ^ traceCard[1] ^ traceCard[2] ^ traceCard[3];
+ traceCard[5] = sak;
+ memcpy(&traceCard[6], atqa, 2);
+ traceCurBlock = 0;
+ uid = bytes_to_num(tuid + 3, 4);
+
+ traceState = TRACE_IDLE;
+
+ return 0;
+}
+
+void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len, bool isEncrypted){
+ uint8_t bt = 0;
+ int i;
+
+ if (len != 1) {
+ for (i = 0; i < len; i++)
+ data[i] = crypto1_byte(pcs, 0x00, isEncrypted) ^ data[i];
+ } else {
+ bt = 0;
+ for (i = 0; i < 4; i++)
+ bt |= (crypto1_bit(pcs, 0, isEncrypted) ^ BIT(data[0], i)) << i;
+
+ data[0] = bt;
+ }
+ return;
+}
+
+bool NTParityCheck(uint32_t ntx) {
+ if (
+ (oddparity8(ntx >> 8 & 0xff) ^ (ntx & 0x01) ^ ((nt_enc_par >> 5) & 0x01) ^ (nt_enc & 0x01)) ||
+ (oddparity8(ntx >> 16 & 0xff) ^ (ntx >> 8 & 0x01) ^ ((nt_enc_par >> 6) & 0x01) ^ (nt_enc >> 8 & 0x01)) ||
+ (oddparity8(ntx >> 24 & 0xff) ^ (ntx >> 16 & 0x01) ^ ((nt_enc_par >> 7) & 0x01) ^ (nt_enc >> 16 & 0x01))
+ )
+ return false;
+
+ uint32_t ar = prng_successor(ntx, 64);
+ if (
+ (oddparity8(ar >> 8 & 0xff) ^ (ar & 0x01) ^ ((ar_enc_par >> 5) & 0x01) ^ (ar_enc & 0x01)) ||
+ (oddparity8(ar >> 16 & 0xff) ^ (ar >> 8 & 0x01) ^ ((ar_enc_par >> 6) & 0x01) ^ (ar_enc >> 8 & 0x01)) ||
+ (oddparity8(ar >> 24 & 0xff) ^ (ar >> 16 & 0x01) ^ ((ar_enc_par >> 7) & 0x01) ^ (ar_enc >> 16 & 0x01))
+ )
+ return false;
+
+ uint32_t at = prng_successor(ntx, 96);
+ if (
+ (oddparity8(ar & 0xff) ^ (at >> 24 & 0x01) ^ ((ar_enc_par >> 4) & 0x01) ^ (at_enc >> 24 & 0x01)) ||
+ (oddparity8(at >> 8 & 0xff) ^ (at & 0x01) ^ ((at_enc_par >> 5) & 0x01) ^ (at_enc & 0x01)) ||
+ (oddparity8(at >> 16 & 0xff) ^ (at >> 8 & 0x01) ^ ((at_enc_par >> 6) & 0x01) ^ (at_enc >> 8 & 0x01)) ||
+ (oddparity8(at >> 24 & 0xff) ^ (at >> 16 & 0x01) ^ ((at_enc_par >> 7) & 0x01) ^ (at_enc >> 16 & 0x01))
+ )
+ return false;
+
+ return true;
+}
+
+
+int mfTraceDecode(uint8_t *data_src, int len, uint8_t parity, bool wantSaveToEmlFile) {
+ uint8_t data[64];
+
+ if (traceState == TRACE_ERROR) return 1;
+ if (len > 64) {
+ traceState = TRACE_ERROR;
+ return 1;
+ }
+
+ memcpy(data, data_src, len);
+ if ((traceCrypto1) && ((traceState == TRACE_IDLE) || (traceState > TRACE_AUTH_OK))) {
+ mf_crypto1_decrypt(traceCrypto1, data, len, 0);
+ uint8_t parity[16];
+ oddparitybuf(data, len, parity);
+ PrintAndLog("dec> %s [%s]", sprint_hex(data, len), printBitsPar(parity, len));
+ AddLogHex(logHexFileName, "dec> ", data, len);
+ }
+
+ switch (traceState) {
+ case TRACE_IDLE:
+ // check packet crc16!
+ if ((len >= 4) && (!CheckCrc14443(CRC_14443_A, data, len))) {
+ PrintAndLog("dec> CRC ERROR!!!");
+ AddLogLine(logHexFileName, "dec> ", "CRC ERROR!!!");
+ traceState = TRACE_ERROR; // do not decrypt the next commands
+ return 1;
+ }
+
+ // AUTHENTICATION
+ if ((len ==4) && ((data[0] == 0x60) || (data[0] == 0x61))) {
+ traceState = TRACE_AUTH1;
+ traceCurBlock = data[1];
+ traceCurKey = data[0] == 60 ? 1:0;
+ return 0;
+ }
+
+ // READ
+ if ((len ==4) && ((data[0] == 0x30))) {
+ traceState = TRACE_READ_DATA;
+ traceCurBlock = data[1];
+ return 0;
+ }
+
+ // WRITE
+ if ((len ==4) && ((data[0] == 0xA0))) {
+ traceState = TRACE_WRITE_OK;
+ traceCurBlock = data[1];
+ return 0;
+ }
+
+ // HALT
+ if ((len ==4) && ((data[0] == 0x50) && (data[1] == 0x00))) {
+ traceState = TRACE_ERROR; // do not decrypt the next commands
+ return 0;
+ }
+
+ return 0;
+ break;
+
+ case TRACE_READ_DATA:
+ if (len == 18) {
+ traceState = TRACE_IDLE;
+
+ if (isBlockTrailer(traceCurBlock)) {
+ memcpy(traceCard + traceCurBlock * 16 + 6, data + 6, 4);
+ } else {
+ memcpy(traceCard + traceCurBlock * 16, data, 16);
+ }
+ if (wantSaveToEmlFile) saveTraceCard();
+ return 0;
+ } else {
+ traceState = TRACE_ERROR;
+ return 1;
+ }
+ break;
+
+ case TRACE_WRITE_OK:
+ if ((len == 1) && (data[0] == 0x0a)) {
+ traceState = TRACE_WRITE_DATA;
+
+ return 0;
+ } else {
+ traceState = TRACE_ERROR;
+ return 1;
+ }
+ break;
+
+ case TRACE_WRITE_DATA:
+ if (len == 18) {
+ traceState = TRACE_IDLE;
+
+ memcpy(traceCard + traceCurBlock * 16, data, 16);
+ if (wantSaveToEmlFile) saveTraceCard();
+ return 0;
+ } else {
+ traceState = TRACE_ERROR;
+ return 1;
+ }
+ break;
+
+ case TRACE_AUTH1:
+ if (len == 4) {
+ traceState = TRACE_AUTH2;
+ if (!traceCrypto1) {
+ nt = bytes_to_num(data, 4);
+ } else {
+ nt_enc = bytes_to_num(data, 4);
+ nt_enc_par = parity;
+ }
+ return 0;
+ } else {
+ traceState = TRACE_ERROR;
+ return 1;
+ }
+ break;
+
+ case TRACE_AUTH2:
+ if (len == 8) {
+ traceState = TRACE_AUTH_OK;
+
+ nr_enc = bytes_to_num(data, 4);
+ ar_enc = bytes_to_num(data + 4, 4);
+ ar_enc_par = parity << 4;
+ return 0;
+ } else {
+ traceState = TRACE_ERROR;
+ return 1;
+ }
+ break;
+
+ case TRACE_AUTH_OK:
+ if (len ==4) {
+ traceState = TRACE_IDLE;
+
+ at_enc = bytes_to_num(data, 4);
+ at_enc_par = parity;
+ if (!traceCrypto1) {
+
+ // decode key here)
+ ks2 = ar_enc ^ prng_successor(nt, 64);
+ ks3 = at_enc ^ prng_successor(nt, 96);
+ revstate = lfsr_recovery64(ks2, ks3);
+ lfsr_rollback_word(revstate, 0, 0);
+ lfsr_rollback_word(revstate, 0, 0);
+ lfsr_rollback_word(revstate, nr_enc, 1);
+ lfsr_rollback_word(revstate, uid ^ nt, 0);
+
+ crypto1_get_lfsr(revstate, &lfsr);
+ crypto1_destroy(revstate);
+ ui64Key = lfsr;
+ printf("key> probable key:%x%x Prng:%s ks2:%08x ks3:%08x\n",
+ (unsigned int)((lfsr & 0xFFFFFFFF00000000) >> 32), (unsigned int)(lfsr & 0xFFFFFFFF),
+ validate_prng_nonce(nt) ? "WEAK": "HARDEND",
+ ks2,
+ ks3);
+ AddLogUint64(logHexFileName, "key> ", lfsr);
+ } else {
+ if (validate_prng_nonce(nt)) {
+ struct Crypto1State *pcs;
+ pcs = crypto1_create(ui64Key);
+ uint32_t nt1 = crypto1_word(pcs, nt_enc ^ uid, 1) ^ nt_enc;
+ uint32_t ar = prng_successor(nt1, 64);
+ uint32_t at = prng_successor(nt1, 96);
+ printf("key> nested auth uid: %08x nt: %08x nt_parity: %s ar: %08x at: %08x\n", uid, nt1, printBitsPar(&nt_enc_par, 4), ar, at);
+ uint32_t nr1 = crypto1_word(pcs, nr_enc, 1) ^ nr_enc;
+ uint32_t ar1 = crypto1_word(pcs, 0, 0) ^ ar_enc;
+ uint32_t at1 = crypto1_word(pcs, 0, 0) ^ at_enc;
+ crypto1_destroy(pcs);
+ printf("key> the same key test. nr1: %08x ar1: %08x at1: %08x \n", nr1, ar1, at1);
+
+ if (NTParityCheck(nt1))
+ printf("key> the same key test OK. key=%x%x\n", (unsigned int)((ui64Key & 0xFFFFFFFF00000000) >> 32), (unsigned int)(ui64Key & 0xFFFFFFFF));
+ else
+ printf("key> the same key test. check nt parity error.\n");
+
+ uint32_t ntc = prng_successor(nt, 90);
+ uint32_t ntx = 0;
+ int ntcnt = 0;
+ for (int i = 0; i < 16383; i++) {
+ ntc = prng_successor(ntc, 1);
+ if (NTParityCheck(ntc)){
+ if (!ntcnt)
+ ntx = ntc;
+ ntcnt++;
+ }
+ }
+ if (ntcnt)
+ printf("key> nt candidate=%08x nonce distance=%d candidates count=%d\n", ntx, nonce_distance(nt, ntx), ntcnt);
+ else
+ printf("key> don't have any nt candidate( \n");
+
+ nt = ntx;
+ ks2 = ar_enc ^ prng_successor(ntx, 64);
+ ks3 = at_enc ^ prng_successor(ntx, 96);
+
+ // decode key
+ revstate = lfsr_recovery64(ks2, ks3);
+ lfsr_rollback_word(revstate, 0, 0);
+ lfsr_rollback_word(revstate, 0, 0);
+ lfsr_rollback_word(revstate, nr_enc, 1);
+ lfsr_rollback_word(revstate, uid ^ nt, 0);
+
+ crypto1_get_lfsr(revstate, &lfsr);
+ crypto1_destroy(revstate);
+ ui64Key = lfsr;
+ printf("key> probable key:%x%x ks2:%08x ks3:%08x\n",
+ (unsigned int)((lfsr & 0xFFFFFFFF00000000) >> 32), (unsigned int)(lfsr & 0xFFFFFFFF),
+ ks2,
+ ks3);
+ AddLogUint64(logHexFileName, "key> ", lfsr);
+ } else {
+ printf("key> hardnested not implemented!\n");
+
+ crypto1_destroy(traceCrypto1);
+
+ // not implemented
+ traceState = TRACE_ERROR;
+ }
+ }
+
+ int blockShift = ((traceCurBlock & 0xFC) + 3) * 16;
+ if (isBlockEmpty((traceCurBlock & 0xFC) + 3)) memcpy(traceCard + blockShift + 6, trailerAccessBytes, 4);
+
+ if (traceCurKey) {
+ num_to_bytes(lfsr, 6, traceCard + blockShift + 10);
+ } else {
+ num_to_bytes(lfsr, 6, traceCard + blockShift);
+ }
+ if (wantSaveToEmlFile) saveTraceCard();
+
+ if (traceCrypto1) {
+ crypto1_destroy(traceCrypto1);
+ }
+
+ // set cryptosystem state
+ traceCrypto1 = lfsr_recovery64(ks2, ks3);
+ return 0;
+ } else {
+ traceState = TRACE_ERROR;
+ return 1;
+ }
+ break;
+
+ default:
+ traceState = TRACE_ERROR;
+ return 1;
+ }
+
+ return 0;
+}
+
+// DECODING
+
+int tryDecryptWord(uint32_t nt, uint32_t ar_enc, uint32_t at_enc, uint8_t *data, int len){
+ /*
+ uint32_t nt; // tag challenge
+ uint32_t ar_enc; // encrypted reader response
+ uint32_t at_enc; // encrypted tag response
+ */
+ if (traceCrypto1) {
+ crypto1_destroy(traceCrypto1);
+ }
+ ks2 = ar_enc ^ prng_successor(nt, 64);
+ ks3 = at_enc ^ prng_successor(nt, 96);
+ traceCrypto1 = lfsr_recovery64(ks2, ks3);
+
+ mf_crypto1_decrypt(traceCrypto1, data, len, 0);
+
+ PrintAndLog("Decrypted data: [%s]", sprint_hex(data,len) );
+ crypto1_destroy(traceCrypto1);
+ return 0;
+}
+
+/** validate_prng_nonce
+ * Determine if nonce is deterministic. ie: Suspectable to Darkside attack.
+ * returns
+ * true = weak prng
+ * false = hardend prng
+ */
+bool validate_prng_nonce(uint32_t nonce) {
+ uint16_t *dist = 0;
+ uint16_t x, i;
+
+ dist = malloc(2 << 16);
+ if(!dist)
+ return -1;
+
+ // init prng table:
+ for (x = i = 1; i; ++i) {
+ dist[(x & 0xff) << 8 | x >> 8] = i;
+ x = x >> 1 | (x ^ x >> 2 ^ x >> 3 ^ x >> 5) << 15;
+ }
+
+ uint32_t res = (65535 - dist[nonce >> 16] + dist[nonce & 0xffff]) % 65535;
+
+ free(dist);
+ return (res == 16);
+}
+
+/* Detect Tag Prng,
+* function performs a partial AUTH, where it tries to authenticate against block0, key A, but only collects tag nonce.
+* the tag nonce is check to see if it has a predictable PRNG.
+* @returns
+* TRUE if tag uses WEAK prng (ie Now the NACK bug also needs to be present for Darkside attack)
+* FALSE is tag uses HARDEND prng (ie hardnested attack possible, with known key)
+*/
+int DetectClassicPrng(void){
+
+ UsbCommand resp, respA;
+ uint8_t cmd[] = {0x60, 0x00}; // MIFARE_AUTH_KEYA
+ uint32_t flags = ISO14A_CONNECT | ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_RATS;
+
+ UsbCommand c = {CMD_READER_ISO_14443a, {flags, sizeof(cmd), 0}};
+ memcpy(c.d.asBytes, cmd, sizeof(cmd));
+
+ clearCommandBuffer();
+ SendCommand(&c);
+ if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
+ PrintAndLog("PRNG UID: Reply timeout.");
+ return -1;
+ }
+
+ // if select tag failed.
+ if (resp.arg[0] == 0) {
+ PrintAndLog("PRNG error: selecting tag failed, can't detect prng.");
+ return -1;
+ }
+
+ if (!WaitForResponseTimeout(CMD_ACK, &respA, 5000)) {
+ PrintAndLog("PRNG data: Reply timeout.");
+ return -1;
+ }
+
+ // check respA
+ if (respA.arg[0] != 4) {
+ PrintAndLog("PRNG data error: Wrong length: %d", respA.arg[0]);
+ return -1;
+ }
+
+ uint32_t nonce = bytes_to_num(respA.d.asBytes, respA.arg[0]);
+ return validate_prng_nonce(nonce);
+}
--- /dev/null
+// Merlok, 2011, 2017
+// people from mifare@nethemba.com, 2010
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// High frequency ISO14443A commands
+//-----------------------------------------------------------------------------
+
+#ifndef MIFAREHOST_H
+#define MIFAREHOST_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "crapto1/crapto1.h"
+#include "util.h"
+
+// defaults
+// timeout in units. (ms * 106)/10 or us*0.0106
+// 5 == 500us
+#define MF_CHKKEYS_DEFTIMEOUT 5
+
+// mfCSetBlock work flags
+#define CSETBLOCK_UID 0x01
+#define CSETBLOCK_WUPC 0x02
+#define CSETBLOCK_HALT 0x04
+#define CSETBLOCK_INIT_FIELD 0x08
+#define CSETBLOCK_RESET_FIELD 0x10
+#define CSETBLOCK_SINGLE_OPER 0x1F
+#define CSETBLOCK_MAGIC_1B 0x40
+
+typedef struct {
+ uint64_t Key[2];
+ int foundKey[2];
+} sector_t;
+
+extern char logHexFileName[FILE_PATH_SIZE];
+
+extern int mfDarkside(uint64_t *key);
+extern int mfnested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBlockNo, uint8_t trgKeyType, uint8_t *ResultKeys, bool calibrate);
+extern int mfCheckKeys (uint8_t blockNo, uint8_t keyType, bool clear_trace, uint8_t keycnt, uint8_t *keyBlock, uint64_t *key);
+extern int mfCheckKeysSec(uint8_t sectorCnt, uint8_t keyType, uint8_t timeout14a, bool clear_trace, uint8_t keycnt, uint8_t * keyBlock, sector_t * e_sector);
+
+extern int mfReadSector(uint8_t sectorNo, uint8_t keyType, uint8_t *key, uint8_t *data);
+
+extern int mfEmlGetMem(uint8_t *data, int blockNum, int blocksCount);
+extern int mfEmlSetMem(uint8_t *data, int blockNum, int blocksCount);
+
+extern int mfCWipe(uint32_t numSectors, bool gen1b, bool wantWipe, bool wantFill);
+extern int mfCSetUID(uint8_t *uid, uint8_t *atqa, uint8_t *sak, uint8_t *oldUID);
+extern int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, bool wantWipe, uint8_t params);
+extern int mfCGetBlock(uint8_t blockNo, uint8_t *data, uint8_t params);
+
+extern int mfTraceInit(uint8_t *tuid, uint8_t *atqa, uint8_t sak, bool wantSaveToEmlFile);
+extern int mfTraceDecode(uint8_t *data_src, int len, uint8_t parity, bool wantSaveToEmlFile);
+
+extern int isTraceCardEmpty(void);
+extern int isBlockEmpty(int blockN);
+extern int isBlockTrailer(int blockN);
+extern int loadTraceCard(uint8_t *tuid);
+extern int saveTraceCard(void);
+extern int tryDecryptWord(uint32_t nt, uint32_t ar_enc, uint32_t at_enc, uint8_t *data, int len);
+
+extern int mfCIdentify();
+extern int DetectClassicPrng(void);
+extern bool validate_prng_nonce(uint32_t nonce);
+extern void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len, bool isEncrypted);
+
+#endif
--- /dev/null
+//-----------------------------------------------------------------------------
+// Copyright (C) 2019 Merlok
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// NFC Data Exchange Format (NDEF) functions
+//-----------------------------------------------------------------------------
+
+#include "ndef.h"
+#include "ui.h"
+#include "emv/dump.h"
+#include "crypto/asn1utils.h"
+#include "util.h"
+#include <string.h>
+
+#define STRBOOL(p) ((p) ? "+" : "-")
+
+static const char *TypeNameFormat_s[] = {
+ "Empty Record",
+ "Well Known Record",
+ "MIME Media Record",
+ "Absolute URI Record",
+ "External Record",
+ "Unknown Record",
+ "Unchanged Record",
+ "n/a"
+};
+
+static const char *ndefSigType_s[] = {
+ "Not present", // No signature present
+ "RSASSA_PSS_SHA_1", // PKCS_1
+ "RSASSA_PKCS1_v1_5_WITH_SHA_1", // PKCS_1
+ "DSA",
+ "ECDSA",
+ "n/a"
+};
+
+static const char *ndefCertificateFormat_s[] = {
+ "X_509",
+ "X9_68",
+ "n/a"
+};
+
+static const char *URI_s[] = {
+ "", // 0x00
+ "http://www.", // 0x01
+ "https://www.", // 0x02
+ "http://", // 0x03
+ "https://", // 0x04
+ "tel:", // 0x05
+ "mailto:", // 0x06
+ "ftp://anonymous:anonymous@", // 0x07
+ "ftp://ftp.", // 0x08
+ "ftps://", // 0x09
+ "sftp://", // 0x0A
+ "smb://", // 0x0B
+ "nfs://", // 0x0C
+ "ftp://", // 0x0D
+ "dav://", // 0x0E
+ "news:", // 0x0F
+ "telnet://", // 0x10
+ "imap:", // 0x11
+ "rtsp://", // 0x12
+ "urn:", // 0x13
+ "pop:", // 0x14
+ "sip:", // 0x15
+ "sips:", // 0x16
+ "tftp:", // 0x17
+ "btspp://", // 0x18
+ "btl2cap://", // 0x19
+ "btgoep://", // 0x1A
+ "tcpobex://", // 0x1B
+ "irdaobex://", // 0x1C
+ "file://", // 0x1D
+ "urn:epc:id:", // 0x1E
+ "urn:epc:tag:", // 0x1F
+ "urn:epc:pat:", // 0x20
+ "urn:epc:raw:", // 0x21
+ "urn:epc:", // 0x22
+ "urn:nfc:" // 0x23
+};
+
+uint16_t ndefTLVGetLength(uint8_t *data, size_t *indx) {
+ uint16_t len = 0;
+ if (data[0] == 0xff) {
+ len = (data[1] << 8) + data[2];
+ *indx += 3;
+ } else {
+ len = data[0];
+ *indx += 1;
+ }
+
+ return len;
+}
+
+int ndefDecodeHeader(uint8_t *data, size_t datalen, NDEFHeader_t *header) {
+ header->Type = NULL;
+ header->Payload = NULL;
+ header->ID = NULL;
+
+ header->MessageBegin = data[0] & 0x80;
+ header->MessageEnd = data[0] & 0x40;
+ header->ChunkFlag = data[0] & 0x20;
+ header->ShortRecordBit = data[0] & 0x10;
+ header->IDLenPresent = data[0] & 0x08;
+ header->TypeNameFormat = data[0] & 0x07;
+ header->len = 1 + 1 + (header->ShortRecordBit ? 1 : 4) + (header->IDLenPresent ? 1 : 0); // header + typelen + payloadlen + idlen
+ if (header->len > datalen)
+ return 1;
+
+ header->TypeLen = data[1];
+ header->Type = data + header->len;
+
+ header->PayloadLen = (header->ShortRecordBit ? (data[2]) : ((data[2] << 24) + (data[3] << 16) + (data[4] << 8) + data[5]));
+
+ if (header->IDLenPresent) {
+ header->IDLen = (header->ShortRecordBit ? (data[3]) : (data[6]));
+ header->Payload = header->Type + header->TypeLen;
+ } else {
+ header->IDLen = 0;
+ }
+
+ header->Payload = header->Type + header->TypeLen + header->IDLen;
+
+ header->RecLen = header->len + header->TypeLen + header->PayloadLen + header->IDLen;
+
+ if (header->RecLen > datalen)
+ return 3;
+
+ return 0;
+}
+
+int ndefPrintHeader(NDEFHeader_t *header) {
+ PrintAndLogEx(INFO, "Header:");
+
+ PrintAndLogEx(NORMAL, "\tMessage Begin: %s", STRBOOL(header->MessageBegin));
+ PrintAndLogEx(NORMAL, "\tMessage End: %s", STRBOOL(header->MessageEnd));
+ PrintAndLogEx(NORMAL, "\tChunk Flag: %s", STRBOOL(header->ChunkFlag));
+ PrintAndLogEx(NORMAL, "\tShort Record Bit: %s", STRBOOL(header->ShortRecordBit));
+ PrintAndLogEx(NORMAL, "\tID Len Present: %s", STRBOOL(header->IDLenPresent));
+ PrintAndLogEx(NORMAL, "\tType Name Format: [0x%02x] %s", header->TypeNameFormat, TypeNameFormat_s[header->TypeNameFormat]);
+
+ PrintAndLogEx(NORMAL, "\tHeader length : %d", header->len);
+ PrintAndLogEx(NORMAL, "\tType length : %d", header->TypeLen);
+ PrintAndLogEx(NORMAL, "\tPayload length : %d", header->PayloadLen);
+ PrintAndLogEx(NORMAL, "\tID length : %d", header->IDLen);
+ PrintAndLogEx(NORMAL, "\tRecord length : %d", header->RecLen);
+
+ return 0;
+}
+
+int ndefDecodeSig(uint8_t *sig, size_t siglen) {
+ size_t indx = 0;
+ PrintAndLogEx(NORMAL, "\tsignature version: 0x%02x", sig[0]);
+ if (sig[0] != 0x01) {
+ PrintAndLogEx(ERR, "signature version unknown.");
+ return 1;
+ }
+ indx++;
+
+ uint8_t sigType = sig[indx] & 0x7f;
+ bool sigURI = sig[indx] & 0x80;
+
+ PrintAndLogEx(NORMAL, "\tsignature type: %s", ((sigType < stNA) ? ndefSigType_s[sigType] : ndefSigType_s[stNA]));
+ PrintAndLogEx(NORMAL, "\tsignature uri: %s", (sigURI ? "present" : "not present"));
+
+ size_t intsiglen = (sig[indx + 1] << 8) + sig[indx + 2];
+ // ecdsa 0x04
+ if (sigType == stECDSA) {
+ indx += 3;
+ PrintAndLogEx(NORMAL, "\tsignature [%d]: %s", intsiglen, sprint_hex_inrow(&sig[indx], intsiglen));
+
+ uint8_t rval[300] = {0};
+ uint8_t sval[300] = {0};
+ int res = ecdsa_asn1_get_signature(&sig[indx], intsiglen, rval, sval);
+ if (!res) {
+ PrintAndLogEx(NORMAL, "\t\tr: %s", sprint_hex(rval, 32));
+ PrintAndLogEx(NORMAL, "\t\ts: %s", sprint_hex(sval, 32));
+ }
+ }
+ indx += intsiglen;
+
+ if (sigURI) {
+ size_t intsigurilen = (sig[indx] << 8) + sig[indx + 1];
+ indx += 2;
+ PrintAndLogEx(NORMAL, "\tsignature uri [%d]: %.*s", intsigurilen, intsigurilen, &sig[indx]);
+ indx += intsigurilen;
+ }
+
+ uint8_t certFormat = (sig[indx] >> 4) & 0x07;
+ uint8_t certCount = sig[indx] & 0x0f;
+ bool certURI = sig[indx] & 0x80;
+
+ PrintAndLogEx(NORMAL, "\tcertificate format: %s", ((certFormat < sfNA) ? ndefCertificateFormat_s[certFormat] : ndefCertificateFormat_s[sfNA]));
+ PrintAndLogEx(NORMAL, "\tcertificates count: %d", certCount);
+
+ // print certificates
+ indx++;
+ for (int i = 0; i < certCount; i++) {
+ size_t intcertlen = (sig[indx + 1] << 8) + sig[indx + 2];
+ indx += 2;
+
+ PrintAndLogEx(NORMAL, "\tcertificate %d [%d]: %s", i + 1, intcertlen, sprint_hex_inrow(&sig[indx], intcertlen));
+ indx += intcertlen;
+ }
+
+ // have certificate uri
+ if ((indx <= siglen) && certURI) {
+ size_t inturilen = (sig[indx] << 8) + sig[indx + 1];
+ indx += 2;
+ PrintAndLogEx(NORMAL, "\tcertificate uri [%d]: %.*s", inturilen, inturilen, &sig[indx]);
+ indx += inturilen;
+ }
+
+ return 0;
+};
+
+int ndefDecodePayload(NDEFHeader_t *ndef) {
+
+ switch (ndef->TypeNameFormat) {
+ case tnfWellKnownRecord:
+ PrintAndLogEx(INFO, "Well Known Record");
+ PrintAndLogEx(NORMAL, "\ttype: %.*s", ndef->TypeLen, ndef->Type);
+
+ if (!strncmp((char *)ndef->Type, "T", ndef->TypeLen)) {
+ PrintAndLogEx(NORMAL, "\ttext : %.*s", ndef->PayloadLen, ndef->Payload);
+ }
+
+ if (!strncmp((char *)ndef->Type, "U", ndef->TypeLen)) {
+ PrintAndLogEx(NORMAL, "\turi : %s%.*s", (ndef->Payload[0] <= 0x23 ? URI_s[ndef->Payload[0]] : "[err]"), ndef->PayloadLen, &ndef->Payload[1]);
+ }
+
+ if (!strncmp((char *)ndef->Type, "Sig", ndef->TypeLen)) {
+ ndefDecodeSig(ndef->Payload, ndef->PayloadLen);
+ }
+
+ break;
+ case tnfAbsoluteURIRecord:
+ PrintAndLogEx(INFO, "Absolute URI Record");
+ PrintAndLogEx(NORMAL, "\ttype: %.*s", ndef->TypeLen, ndef->Type);
+ PrintAndLogEx(NORMAL, "\tpayload: %.*s", ndef->PayloadLen, ndef->Payload);
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+int ndefRecordDecodeAndPrint(uint8_t *ndefRecord, size_t ndefRecordLen) {
+ NDEFHeader_t NDEFHeader = {0};
+ int res = ndefDecodeHeader(ndefRecord, ndefRecordLen, &NDEFHeader);
+ if (res)
+ return res;
+
+ ndefPrintHeader(&NDEFHeader);
+
+ if (NDEFHeader.TypeLen) {
+ PrintAndLogEx(INFO, "Type data:");
+ dump_buffer(NDEFHeader.Type, NDEFHeader.TypeLen, stdout, 1);
+ }
+ if (NDEFHeader.IDLen) {
+ PrintAndLogEx(INFO, "ID data:");
+ dump_buffer(NDEFHeader.ID, NDEFHeader.IDLen, stdout, 1);
+ }
+ if (NDEFHeader.PayloadLen) {
+ PrintAndLogEx(INFO, "Payload data:");
+ dump_buffer(NDEFHeader.Payload, NDEFHeader.PayloadLen, stdout, 1);
+ if (NDEFHeader.TypeLen)
+ ndefDecodePayload(&NDEFHeader);
+ }
+
+ return 0;
+}
+
+int ndefRecordsDecodeAndPrint(uint8_t *ndefRecord, size_t ndefRecordLen) {
+ bool firstRec = true;
+ size_t len = 0;
+
+ while (len < ndefRecordLen) {
+ NDEFHeader_t NDEFHeader = {0};
+ int res = ndefDecodeHeader(&ndefRecord[len], ndefRecordLen - len, &NDEFHeader);
+ if (res)
+ return res;
+
+ if (firstRec) {
+ if (!NDEFHeader.MessageBegin) {
+ PrintAndLogEx(ERR, "NDEF first record have MessageBegin=false!");
+ return 1;
+ }
+ firstRec = false;
+ }
+
+ if (NDEFHeader.MessageEnd && len + NDEFHeader.RecLen != ndefRecordLen) {
+ PrintAndLogEx(ERR, "NDEF records have wrong length. Must be %d, calculated %d", ndefRecordLen, len + NDEFHeader.RecLen);
+ return 1;
+ }
+
+ ndefRecordDecodeAndPrint(&ndefRecord[len], NDEFHeader.RecLen);
+
+ len += NDEFHeader.RecLen;
+
+ if (NDEFHeader.MessageEnd)
+ break;
+ }
+
+ return 0;
+}
+
+int NDEFDecodeAndPrint(uint8_t *ndef, size_t ndefLen, bool verbose) {
+
+ size_t indx = 0;
+
+ PrintAndLogEx(INFO, "NDEF decoding:");
+ while (indx < ndefLen) {
+ switch (ndef[indx]) {
+ case 0x00: {
+ indx++;
+ uint16_t len = ndefTLVGetLength(&ndef[indx], &indx);
+ PrintAndLogEx(INFO, "-- NDEF NULL block.");
+ if (len)
+ PrintAndLogEx(WARNING, "NDEF NULL block size must be 0 instead of %d.", len);
+ indx += len;
+ break;
+ }
+ case 0x03: {
+ indx++;
+ uint16_t len = ndefTLVGetLength(&ndef[indx], &indx);
+ PrintAndLogEx(INFO, "-- NDEF message. len: %d", len);
+
+ int res = ndefRecordsDecodeAndPrint(&ndef[indx], len);
+ if (res)
+ return res;
+
+ indx += len;
+ break;
+ }
+ case 0xfd: {
+ indx++;
+ uint16_t len = ndefTLVGetLength(&ndef[indx], &indx);
+ PrintAndLogEx(INFO, "-- NDEF proprietary info. Skipped %d bytes.", len);
+ indx += len;
+ break;
+ }
+ case 0xfe: {
+ PrintAndLogEx(INFO, "-- NDEF Terminator. Done.");
+ return 0;
+ break;
+ }
+ default: {
+ PrintAndLogEx(ERR, "unknown tag 0x%02x", ndef[indx]);
+ return 1;
+ }
+ }
+ }
+
+ return 0;
+}
--- /dev/null
+//-----------------------------------------------------------------------------
+// Copyright (C) 2019 Merlok
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// NFC Data Exchange Format (NDEF) functions
+//-----------------------------------------------------------------------------
+
+#ifndef _NDEF_H_
+#define _NDEF_H_
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+typedef enum {
+ tnfEmptyRecord = 0x00,
+ tnfWellKnownRecord = 0x01,
+ tnfMIMEMediaRecord = 0x02,
+ tnfAbsoluteURIRecord = 0x03,
+ tnfExternalRecord = 0x04,
+ tnfUnknownRecord = 0x05,
+ tnfUnchangedRecord = 0x06
+} TypeNameFormat_t;
+
+typedef enum {
+ stNotPresent = 0x00,
+ stRSASSA_PSS_SHA_1 = 0x01,
+ stRSASSA_PKCS1_v1_5_WITH_SHA_1 = 0x02,
+ stDSA = 0x03,
+ stECDSA = 0x04,
+ stNA = 0x05
+} ndefSigType_t;
+
+typedef enum {
+ sfX_509 = 0x00,
+ sfX9_68 = 0x01,
+ sfNA = 0x02
+} ndefCertificateFormat_t;
+
+typedef struct {
+ bool MessageBegin;
+ bool MessageEnd;
+ bool ChunkFlag;
+ bool ShortRecordBit;
+ bool IDLenPresent;
+ TypeNameFormat_t TypeNameFormat;
+ size_t TypeLen;
+ size_t PayloadLen;
+ size_t IDLen;
+ size_t len;
+ size_t RecLen;
+ uint8_t *Type;
+ uint8_t *Payload;
+ uint8_t *ID;
+} NDEFHeader_t;
+
+extern int NDEFDecodeAndPrint(uint8_t *ndef, size_t ndefLen, bool verbose);
+
+#endif // _NDEF_H_
+++ /dev/null
-//-----------------------------------------------------------------------------
-// Copyright (C) 2018 Merlok
-// Copyright (C) 2018 drHatson
-//
-// This code is licensed to you under the terms of the GNU GPL, version 2 or,
-// at your option, any later version. See the LICENSE.txt file for the text of
-// the license.
-//-----------------------------------------------------------------------------
-// iso14443-4 mifare commands
-//-----------------------------------------------------------------------------
-
-#include "mifare4.h"
-#include <ctype.h>
-#include <string.h>
-#include "cmdhf14a.h"
-#include "util.h"
-#include "ui.h"
-#include "crypto/libpcrypto.h"
-
-AccessConditions_t MFAccessConditions[] = {
- {0x00, "read AB; write AB; increment AB; decrement transfer restore AB"},
- {0x01, "read AB; decrement transfer restore AB"},
- {0x02, "read AB"},
- {0x03, "read B; write B"},
- {0x04, "read AB; writeB"},
- {0x05, "read B"},
- {0x06, "read AB; write B; increment B; decrement transfer restore AB"},
- {0x07, "none"}
-};
-
-AccessConditions_t MFAccessConditionsTrailer[] = {
- {0x00, "read A by A; read ACCESS by A; read B by A; write B by A"},
- {0x01, "write A by A; read ACCESS by A write ACCESS by A; read B by A; write B by A"},
- {0x02, "read ACCESS by A; read B by A"},
- {0x03, "write A by B; read ACCESS by AB; write ACCESS by B; write B by B"},
- {0x04, "write A by B; read ACCESS by AB; write B by B"},
- {0x05, "read ACCESS by AB; write ACCESS by B"},
- {0x06, "read ACCESS by AB"},
- {0x07, "read ACCESS by AB"}
-};
-
-char *mfGetAccessConditionsDesc(uint8_t blockn, uint8_t *data) {
- static char StaticNone[] = "none";
-
- uint8_t data1 = ((data[1] >> 4) & 0x0f) >> blockn;
- uint8_t data2 = ((data[2]) & 0x0f) >> blockn;
- uint8_t data3 = ((data[2] >> 4) & 0x0f) >> blockn;
-
- uint8_t cond = (data1 & 0x01) << 2 | (data2 & 0x01) << 1 | (data3 & 0x01);
-
- if (blockn == 3) {
- for (int i = 0; i < ARRAYLEN(MFAccessConditionsTrailer); i++)
- if (MFAccessConditionsTrailer[i].cond == cond) {
- return MFAccessConditionsTrailer[i].description;
- }
- } else {
- for (int i = 0; i < ARRAYLEN(MFAccessConditions); i++)
- if (MFAccessConditions[i].cond == cond) {
- return MFAccessConditions[i].description;
- }
- };
-
- return StaticNone;
-};
-
-int CalculateEncIVCommand(mf4Session *session, uint8_t *iv, bool verbose) {
- memcpy(&iv[0], session->TI, 4);
- memcpy(&iv[4], &session->R_Ctr, 2);
- memcpy(&iv[6], &session->W_Ctr, 2);
- memcpy(&iv[8], &session->R_Ctr, 2);
- memcpy(&iv[10], &session->W_Ctr, 2);
- memcpy(&iv[12], &session->R_Ctr, 2);
- memcpy(&iv[14], &session->W_Ctr, 2);
-
- return 0;
-}
-
-int CalculateEncIVResponse(mf4Session *session, uint8_t *iv, bool verbose) {
- memcpy(&iv[0], &session->R_Ctr, 2);
- memcpy(&iv[2], &session->W_Ctr, 2);
- memcpy(&iv[4], &session->R_Ctr, 2);
- memcpy(&iv[6], &session->W_Ctr, 2);
- memcpy(&iv[8], &session->R_Ctr, 2);
- memcpy(&iv[10], &session->W_Ctr, 2);
- memcpy(&iv[12], session->TI, 4);
-
- return 0;
-}
-
-
-int CalculateMAC(mf4Session *session, MACType_t mtype, uint8_t blockNum, uint8_t blockCount, uint8_t *data, int datalen, uint8_t *mac, bool verbose) {
- if (!session || !session->Authenticated || !mac || !data || !datalen || datalen < 1)
- return 1;
-
- memset(mac, 0x00, 8);
-
- uint16_t ctr = session->R_Ctr;
- switch(mtype) {
- case mtypWriteCmd:
- case mtypWriteResp:
- ctr = session->W_Ctr;
- break;
- case mtypReadCmd:
- case mtypReadResp:
- break;
- }
-
- uint8_t macdata[2049] = {data[0], (ctr & 0xFF), (ctr >> 8), 0};
- int macdatalen = datalen;
- memcpy(&macdata[3], session->TI, 4);
-
- switch(mtype) {
- case mtypReadCmd:
- memcpy(&macdata[7], &data[1], datalen - 1);
- macdatalen = datalen + 6;
- break;
- case mtypReadResp:
- macdata[7] = blockNum;
- macdata[8] = 0;
- macdata[9] = blockCount;
- memcpy(&macdata[10], &data[1], datalen - 1);
- macdatalen = datalen + 9;
- break;
- case mtypWriteCmd:
- memcpy(&macdata[7], &data[1], datalen - 1);
- macdatalen = datalen + 6;
- break;
- case mtypWriteResp:
- macdatalen = 1 + 6;
- break;
- }
-
- if (verbose)
- PrintAndLog("MAC data[%d]: %s", macdatalen, sprint_hex(macdata, macdatalen));
-
- return aes_cmac8(NULL, session->Kmac, macdata, mac, macdatalen);
-}
-
-int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateField, bool leaveSignalON, bool verbose) {
- uint8_t data[257] = {0};
- int datalen = 0;
-
- uint8_t RndA[17] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x00};
- uint8_t RndB[17] = {0};
-
- if (session)
- session->Authenticated = false;
-
- uint8_t cmd1[] = {0x70, keyn[1], keyn[0], 0x00};
- int res = ExchangeRAW14a(cmd1, sizeof(cmd1), activateField, true, data, sizeof(data), &datalen);
- if (res) {
- PrintAndLog("ERROR exchande raw error: %d", res);
- DropField();
- return 2;
- }
-
- if (verbose)
- PrintAndLog("<phase1: %s", sprint_hex(data, datalen));
-
- if (datalen < 1) {
- PrintAndLog("ERROR: card response length: %d", datalen);
- DropField();
- return 3;
- }
-
- if (data[0] != 0x90) {
- PrintAndLog("ERROR: card response error: %02x", data[2]);
- DropField();
- return 3;
- }
-
- if (datalen != 19) { // code 1b + 16b + crc 2b
- PrintAndLog("ERROR: card response must be 19 bytes long instead of: %d", datalen);
- DropField();
- return 3;
- }
-
- aes_decode(NULL, key, &data[1], RndB, 16);
- RndB[16] = RndB[0];
- if (verbose)
- PrintAndLog("RndB: %s", sprint_hex(RndB, 16));
-
- uint8_t cmd2[33] = {0};
- cmd2[0] = 0x72;
-
- uint8_t raw[32] = {0};
- memmove(raw, RndA, 16);
- memmove(&raw[16], &RndB[1], 16);
-
- aes_encode(NULL, key, raw, &cmd2[1], 32);
- if (verbose)
- PrintAndLog(">phase2: %s", sprint_hex(cmd2, 33));
-
- res = ExchangeRAW14a(cmd2, sizeof(cmd2), false, true, data, sizeof(data), &datalen);
- if (res) {
- PrintAndLog("ERROR exchande raw error: %d", res);
- DropField();
- return 4;
- }
-
- if (verbose)
- PrintAndLog("<phase2: %s", sprint_hex(data, datalen));
-
- aes_decode(NULL, key, &data[1], raw, 32);
-
- if (verbose) {
- PrintAndLog("res: %s", sprint_hex(raw, 32));
- PrintAndLog("RndA`: %s", sprint_hex(&raw[4], 16));
- }
-
- if (memcmp(&raw[4], &RndA[1], 16)) {
- PrintAndLog("\nERROR: Authentication FAILED. rnd not equal");
- if (verbose) {
- PrintAndLog("RndA reader: %s", sprint_hex(&RndA[1], 16));
- PrintAndLog("RndA card: %s", sprint_hex(&raw[4], 16));
- }
- DropField();
- return 5;
- }
-
- if (verbose) {
- PrintAndLog(" TI: %s", sprint_hex(raw, 4));
- PrintAndLog("pic: %s", sprint_hex(&raw[20], 6));
- PrintAndLog("pcd: %s", sprint_hex(&raw[26], 6));
- }
-
- uint8_t kenc[16] = {0};
- memcpy(&kenc[0], &RndA[11], 5);
- memcpy(&kenc[5], &RndB[11], 5);
- for(int i = 0; i < 5; i++)
- kenc[10 + i] = RndA[4 + i] ^ RndB[4 + i];
- kenc[15] = 0x11;
-
- aes_encode(NULL, key, kenc, kenc, 16);
- if (verbose) {
- PrintAndLog("kenc: %s", sprint_hex(kenc, 16));
- }
-
- uint8_t kmac[16] = {0};
- memcpy(&kmac[0], &RndA[7], 5);
- memcpy(&kmac[5], &RndB[7], 5);
- for(int i = 0; i < 5; i++)
- kmac[10 + i] = RndA[0 + i] ^ RndB[0 + i];
- kmac[15] = 0x22;
-
- aes_encode(NULL, key, kmac, kmac, 16);
- if (verbose) {
- PrintAndLog("kmac: %s", sprint_hex(kmac, 16));
- }
-
- if (!leaveSignalON)
- DropField();
-
- if (verbose)
- PrintAndLog("");
-
- if (session) {
- session->Authenticated = true;
- session->R_Ctr = 0;
- session->W_Ctr = 0;
- session->KeyNum = keyn[1] + (keyn[0] << 8);
- memmove(session->RndA, RndA, 16);
- memmove(session->RndB, RndB, 16);
- memmove(session->Key, key, 16);
- memmove(session->TI, raw, 4);
- memmove(session->PICCap2, &raw[20], 6);
- memmove(session->PCDCap2, &raw[26], 6);
- memmove(session->Kenc, kenc, 16);
- memmove(session->Kmac, kmac, 16);
- }
-
- PrintAndLog("Authentication OK");
-
- return 0;
-}
-
-// Mifare Memory Structure: up to 32 Sectors with 4 blocks each (1k and 2k cards),
-// plus evtl. 8 sectors with 16 blocks each (4k cards)
-uint8_t mfNumBlocksPerSector(uint8_t sectorNo) {
- if (sectorNo < 32)
- return 4;
- else
- return 16;
-}
-
-uint8_t mfFirstBlockOfSector(uint8_t sectorNo) {
- if (sectorNo < 32)
- return sectorNo * 4;
- else
- return 32 * 4 + (sectorNo - 32) * 16;
-}
-
-uint8_t mfSectorTrailer(uint8_t blockNo) {
- if (blockNo < 32*4) {
- return (blockNo | 0x03);
- } else {
- return (blockNo | 0x0f);
- }
-}
-
-bool mfIsSectorTrailer(uint8_t blockNo) {
- return (blockNo == mfSectorTrailer(blockNo));
-}
-
-uint8_t mfSectorNum(uint8_t blockNo) {
- if (blockNo < 32 * 4)
- return blockNo / 4;
- else
- return 32 + (blockNo - 32 * 4) / 16;
-
-}
+++ /dev/null
-//-----------------------------------------------------------------------------
-// Copyright (C) 2018 Merlok
-// Copyright (C) 2018 drHatson
-//
-// This code is licensed to you under the terms of the GNU GPL, version 2 or,
-// at your option, any later version. See the LICENSE.txt file for the text of
-// the license.
-//-----------------------------------------------------------------------------
-// iso14443-4 mifare commands
-//-----------------------------------------------------------------------------
-
-#ifndef MIFARE4_H
-#define MIFARE4_H
-
-#include <stdint.h>
-#include <stdbool.h>
-#include <stddef.h>
-
-typedef struct {
- bool Authenticated;
- uint8_t Key[16];
- uint16_t KeyNum;
- uint8_t RndA[16];
- uint8_t RndB[16];
- uint8_t TI[4];
- uint8_t PICCap2[6];
- uint8_t PCDCap2[6];
- uint8_t Kenc[16];
- uint8_t Kmac[16];
- uint16_t R_Ctr;
- uint16_t W_Ctr;
-}mf4Session;
-
-typedef enum {
- mtypReadCmd,
- mtypReadResp,
- mtypWriteCmd,
- mtypWriteResp,
-} MACType_t;
-
-typedef struct {
- uint8_t cond;
- char *description;
-} AccessConditions_t;
-
-extern int CalculateMAC(mf4Session *session, MACType_t mtype, uint8_t blockNum, uint8_t blockCount, uint8_t *data, int datalen, uint8_t *mac, bool verbose);
-extern int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateField, bool leaveSignalON, bool verbose);
-
-extern char *mfGetAccessConditionsDesc(uint8_t blockn, uint8_t *data);
-
-extern uint8_t mfNumBlocksPerSector(uint8_t sectorNo);
-extern uint8_t mfFirstBlockOfSector(uint8_t sectorNo);
-extern uint8_t mfSectorTrailer(uint8_t blockNo);
-extern bool mfIsSectorTrailer(uint8_t blockNo);
-extern uint8_t mfSectorNum(uint8_t blockNo);
-
-
-#endif // mifare4.h
+++ /dev/null
-//-----------------------------------------------------------------------------
-// Copyright (C) 2017 Merlok
-//
-// This code is licensed to you under the terms of the GNU GPL, version 2 or,
-// at your option, any later version. See the LICENSE.txt file for the text of
-// the license.
-//-----------------------------------------------------------------------------
-// Mifare default constants
-//-----------------------------------------------------------------------------
-
-#ifndef MIFAREDEFAULT_H__
-#define MIFAREDEFAULT_H__
-
-#include <inttypes.h>
-
-#define MifareDefaultKeysSize sizeof(MifareDefaultKeys) / sizeof(uint64_t)
-
-static const uint64_t MifareDefaultKeys[] =
-{
- 0xffffffffffff, // Default key (first key used by program if no user defined key)
- 0x000000000000, // Blank key
- 0xa0a1a2a3a4a5, // NFCForum MAD key
- 0xb0b1b2b3b4b5,
- 0xaabbccddeeff,
- 0x1a2b3c4d5e6f,
- 0x123456789abc,
- 0x010203040506,
- 0x123456abcdef,
- 0xabcdef123456,
- 0x4d3a99c351dd,
- 0x1a982c7e459a,
- 0xd3f7d3f7d3f7,
- 0x714c5c886e97,
- 0x587ee5f9350f,
- 0xa0478cc39091,
- 0x533cb6c723f6,
- 0x8fd0a4f256e9
-};
-
-#endif
+++ /dev/null
-// Merlok, 2011, 2012\r
-// people from mifare@nethemba.com, 2010\r
-//\r
-// This code is licensed to you under the terms of the GNU GPL, version 2 or,\r
-// at your option, any later version. See the LICENSE.txt file for the text of\r
-// the license.\r
-//-----------------------------------------------------------------------------\r
-// mifare commands\r
-//-----------------------------------------------------------------------------\r
-\r
-#include "mifarehost.h"\r
-\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include <string.h>\r
-#include <pthread.h>\r
-\r
-#include "crapto1/crapto1.h"\r
-#include "comms.h"\r
-#include "usb_cmd.h"\r
-#include "cmdmain.h"\r
-#include "ui.h"\r
-#include "parity.h"\r
-#include "util.h"\r
-#include "iso14443crc.h"\r
-\r
-#include "mifare.h"\r
-\r
-// mifare tracer flags used in mfTraceDecode()\r
-#define TRACE_IDLE 0x00\r
-#define TRACE_AUTH1 0x01\r
-#define TRACE_AUTH2 0x02\r
-#define TRACE_AUTH_OK 0x03\r
-#define TRACE_READ_DATA 0x04\r
-#define TRACE_WRITE_OK 0x05\r
-#define TRACE_WRITE_DATA 0x06\r
-#define TRACE_ERROR 0xFF\r
-\r
-\r
-static int compare_uint64(const void *a, const void *b) {\r
- // didn't work: (the result is truncated to 32 bits)\r
- //return (*(int64_t*)b - *(int64_t*)a);\r
-\r
- // better:\r
- if (*(uint64_t*)b == *(uint64_t*)a) return 0;\r
- else if (*(uint64_t*)b < *(uint64_t*)a) return 1;\r
- else return -1;\r
-}\r
-\r
-\r
-// create the intersection (common members) of two sorted lists. Lists are terminated by -1. Result will be in list1. Number of elements is returned.\r
-static uint32_t intersection(uint64_t *list1, uint64_t *list2)\r
-{\r
- if (list1 == NULL || list2 == NULL) {\r
- return 0;\r
- }\r
- uint64_t *p1, *p2, *p3;\r
- p1 = p3 = list1;\r
- p2 = list2;\r
-\r
- while ( *p1 != -1 && *p2 != -1 ) {\r
- if (compare_uint64(p1, p2) == 0) {\r
- *p3++ = *p1++;\r
- p2++;\r
- }\r
- else {\r
- while (compare_uint64(p1, p2) < 0) ++p1;\r
- while (compare_uint64(p1, p2) > 0) ++p2;\r
- }\r
- }\r
- *p3 = -1;\r
- return p3 - list1;\r
-}\r
-\r
-\r
-// Darkside attack (hf mf mifare)\r
-static uint32_t nonce2key(uint32_t uid, uint32_t nt, uint32_t nr, uint32_t ar, uint64_t par_info, uint64_t ks_info, uint64_t **keys) {\r
- struct Crypto1State *states;\r
- uint32_t i, pos;\r
- uint8_t bt, ks3x[8], par[8][8];\r
- uint64_t key_recovered;\r
- uint64_t *keylist;\r
-\r
- // Reset the last three significant bits of the reader nonce\r
- nr &= 0xffffff1f;\r
-\r
- for (pos=0; pos<8; pos++) {\r
- ks3x[7-pos] = (ks_info >> (pos*8)) & 0x0f;\r
- bt = (par_info >> (pos*8)) & 0xff;\r
- for (i=0; i<8; i++) {\r
- par[7-pos][i] = (bt >> i) & 0x01;\r
- }\r
- }\r
-\r
- states = lfsr_common_prefix(nr, ar, ks3x, par, (par_info == 0));\r
-\r
- if (states == NULL) {\r
- *keys = NULL;\r
- return 0;\r
- }\r
-\r
- keylist = (uint64_t*)states;\r
-\r
- for (i = 0; keylist[i]; i++) {\r
- lfsr_rollback_word(states+i, uid^nt, 0);\r
- crypto1_get_lfsr(states+i, &key_recovered);\r
- keylist[i] = key_recovered;\r
- }\r
- keylist[i] = -1;\r
-\r
- *keys = keylist;\r
- return i;\r
-}\r
-\r
-\r
-int mfDarkside(uint64_t *key)\r
-{\r
- uint32_t uid = 0;\r
- uint32_t nt = 0, nr = 0, ar = 0;\r
- uint64_t par_list = 0, ks_list = 0;\r
- uint64_t *keylist = NULL, *last_keylist = NULL;\r
- uint32_t keycount = 0;\r
- int16_t isOK = 0;\r
-\r
- UsbCommand c = {CMD_READER_MIFARE, {true, 0, 0}};\r
-\r
- // message\r
- printf("-------------------------------------------------------------------------\n");\r
- printf("Executing command. Expected execution time: 25sec on average\n");\r
- printf("Press button on the proxmark3 device to abort both proxmark3 and client.\n");\r
- printf("-------------------------------------------------------------------------\n");\r
-\r
-\r
- while (true) {\r
- clearCommandBuffer();\r
- SendCommand(&c);\r
-\r
- //flush queue\r
- while (ukbhit()) {\r
- int c = getchar(); (void) c;\r
- }\r
-\r
- // wait cycle\r
- while (true) {\r
- printf(".");\r
- fflush(stdout);\r
- if (ukbhit()) {\r
- return -5;\r
- break;\r
- }\r
-\r
- UsbCommand resp;\r
- if (WaitForResponseTimeout(CMD_ACK, &resp, 1000)) {\r
- isOK = resp.arg[0];\r
- if (isOK < 0) {\r
- return isOK;\r
- }\r
- uid = (uint32_t)bytes_to_num(resp.d.asBytes + 0, 4);\r
- nt = (uint32_t)bytes_to_num(resp.d.asBytes + 4, 4);\r
- par_list = bytes_to_num(resp.d.asBytes + 8, 8);\r
- ks_list = bytes_to_num(resp.d.asBytes + 16, 8);\r
- nr = (uint32_t)bytes_to_num(resp.d.asBytes + 24, 4);\r
- ar = (uint32_t)bytes_to_num(resp.d.asBytes + 28, 4);\r
- break;\r
- }\r
- }\r
-\r
- if (par_list == 0 && c.arg[0] == true) {\r
- PrintAndLog("Parity is all zero. Most likely this card sends NACK on every failed authentication.");\r
- }\r
- c.arg[0] = false;\r
-\r
- keycount = nonce2key(uid, nt, nr, ar, par_list, ks_list, &keylist);\r
-\r
- if (keycount == 0) {\r
- PrintAndLog("Key not found (lfsr_common_prefix list is null). Nt=%08x", nt);\r
- PrintAndLog("This is expected to happen in 25%% of all cases. Trying again with a different reader nonce...");\r
- continue;\r
- }\r
-\r
- if (par_list == 0) {\r
- qsort(keylist, keycount, sizeof(*keylist), compare_uint64);\r
- keycount = intersection(last_keylist, keylist);\r
- if (keycount == 0) {\r
- free(last_keylist);\r
- last_keylist = keylist;\r
- continue;\r
- }\r
- }\r
-\r
- if (keycount > 1) {\r
- PrintAndLog("Found %u possible keys. Trying to authenticate with each of them ...\n", keycount);\r
- } else {\r
- PrintAndLog("Found a possible key. Trying to authenticate...\n");\r
- }\r
-\r
- *key = -1;\r
- uint8_t keyBlock[USB_CMD_DATA_SIZE];\r
- int max_keys = USB_CMD_DATA_SIZE/6;\r
- for (int i = 0; i < keycount; i += max_keys) {\r
- int size = keycount - i > max_keys ? max_keys : keycount - i;\r
- for (int j = 0; j < size; j++) {\r
- if (par_list == 0) {\r
- num_to_bytes(last_keylist[i*max_keys + j], 6, keyBlock+(j*6));\r
- } else {\r
- num_to_bytes(keylist[i*max_keys + j], 6, keyBlock+(j*6));\r
- }\r
- }\r
- if (!mfCheckKeys(0, 0, false, size, keyBlock, key)) {\r
- break;\r
- }\r
- }\r
-\r
- if (*key != -1) {\r
- free(last_keylist);\r
- free(keylist);\r
- break;\r
- } else {\r
- PrintAndLog("Authentication failed. Trying again...");\r
- free(last_keylist);\r
- last_keylist = keylist;\r
- }\r
- }\r
-\r
- return 0;\r
-}\r
-\r
-\r
-int mfCheckKeys (uint8_t blockNo, uint8_t keyType, bool clear_trace, uint8_t keycnt, uint8_t * keyBlock, uint64_t * key){\r
-\r
- *key = -1;\r
-\r
- UsbCommand c = {CMD_MIFARE_CHKKEYS, {((blockNo & 0xff) | ((keyType & 0xff) << 8)), clear_trace, keycnt}}; \r
- memcpy(c.d.asBytes, keyBlock, 6 * keycnt);\r
- SendCommand(&c);\r
-\r
- UsbCommand resp;\r
- if (!WaitForResponseTimeout(CMD_ACK,&resp,3000)) return 1; \r
- if ((resp.arg[0] & 0xff) != 0x01) return 2;\r
- *key = bytes_to_num(resp.d.asBytes, 6);\r
- return 0;\r
-}\r
-\r
-int mfCheckKeysSec(uint8_t sectorCnt, uint8_t keyType, uint8_t timeout14a, bool clear_trace, uint8_t keycnt, uint8_t * keyBlock, sector_t * e_sector){\r
-\r
- uint8_t keyPtr = 0;\r
-\r
- if (e_sector == NULL)\r
- return -1;\r
-\r
- UsbCommand c = {CMD_MIFARE_CHKKEYS, {((sectorCnt & 0xff) | ((keyType & 0xff) << 8)), (clear_trace | 0x02)|((timeout14a & 0xff) << 8), keycnt}}; \r
- memcpy(c.d.asBytes, keyBlock, 6 * keycnt);\r
- SendCommand(&c);\r
-\r
- UsbCommand resp;\r
- if (!WaitForResponseTimeoutW(CMD_ACK, &resp, MAX(3000, 1000 + 13 * sectorCnt * keycnt * (keyType == 2 ? 2 : 1)), false)) return 1; // timeout: 13 ms / fail auth\r
- if ((resp.arg[0] & 0xff) != 0x01) return 2;\r
- \r
- bool foundAKey = false;\r
- for(int sec = 0; sec < sectorCnt; sec++){\r
- for(int keyAB = 0; keyAB < 2; keyAB++){\r
- keyPtr = *(resp.d.asBytes + keyAB * 40 + sec);\r
- if (keyPtr){\r
- e_sector[sec].foundKey[keyAB] = true;\r
- e_sector[sec].Key[keyAB] = bytes_to_num(keyBlock + (keyPtr - 1) * 6, 6);\r
- foundAKey = true;\r
- }\r
- }\r
- }\r
- return foundAKey ? 0 : 3;\r
-}\r
-\r
-// Compare 16 Bits out of cryptostate\r
-int Compare16Bits(const void * a, const void * b) {\r
- if ((*(uint64_t*)b & 0x00ff000000ff0000) == (*(uint64_t*)a & 0x00ff000000ff0000)) return 0;\r
- else if ((*(uint64_t*)b & 0x00ff000000ff0000) > (*(uint64_t*)a & 0x00ff000000ff0000)) return 1;\r
- else return -1;\r
-}\r
-\r
-typedef\r
- struct {\r
- union {\r
- struct Crypto1State *slhead;\r
- uint64_t *keyhead;\r
- } head;\r
- union {\r
- struct Crypto1State *sltail;\r
- uint64_t *keytail;\r
- } tail;\r
- uint32_t len;\r
- uint32_t uid;\r
- uint32_t blockNo;\r
- uint32_t keyType;\r
- uint32_t nt;\r
- uint32_t ks1;\r
- } StateList_t;\r
-\r
-\r
-// wrapper function for multi-threaded lfsr_recovery32\r
-void\r
-#ifdef __has_attribute\r
-#if __has_attribute(force_align_arg_pointer)\r
-__attribute__((force_align_arg_pointer)) \r
-#endif\r
-#endif\r
-*nested_worker_thread(void *arg)\r
-{\r
- struct Crypto1State *p1;\r
- StateList_t *statelist = arg;\r
-\r
- statelist->head.slhead = lfsr_recovery32(statelist->ks1, statelist->nt ^ statelist->uid);\r
- for (p1 = statelist->head.slhead; *(uint64_t *)p1 != 0; p1++);\r
- statelist->len = p1 - statelist->head.slhead;\r
- statelist->tail.sltail = --p1;\r
- qsort(statelist->head.slhead, statelist->len, sizeof(uint64_t), Compare16Bits);\r
-\r
- return statelist->head.slhead;\r
-}\r
-\r
-\r
-int mfnested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBlockNo, uint8_t trgKeyType, uint8_t *resultKey, bool calibrate)\r
-{\r
- uint16_t i;\r
- uint32_t uid;\r
- UsbCommand resp;\r
-\r
- StateList_t statelists[2];\r
- struct Crypto1State *p1, *p2, *p3, *p4;\r
-\r
- // flush queue\r
- (void)WaitForResponseTimeout(CMD_ACK,NULL,100);\r
-\r
- UsbCommand c = {CMD_MIFARE_NESTED, {blockNo + keyType * 0x100, trgBlockNo + trgKeyType * 0x100, calibrate}};\r
- memcpy(c.d.asBytes, key, 6);\r
- SendCommand(&c);\r
-\r
- if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {\r
- return -1;\r
- }\r
-\r
- if (resp.arg[0]) {\r
- return resp.arg[0]; // error during nested\r
- }\r
-\r
- memcpy(&uid, resp.d.asBytes, 4);\r
- PrintAndLog("uid:%08x trgbl=%d trgkey=%x", uid, (uint16_t)resp.arg[2] & 0xff, (uint16_t)resp.arg[2] >> 8);\r
-\r
- for (i = 0; i < 2; i++) {\r
- statelists[i].blockNo = resp.arg[2] & 0xff;\r
- statelists[i].keyType = (resp.arg[2] >> 8) & 0xff;\r
- statelists[i].uid = uid;\r
- memcpy(&statelists[i].nt, (void *)(resp.d.asBytes + 4 + i * 8 + 0), 4);\r
- memcpy(&statelists[i].ks1, (void *)(resp.d.asBytes + 4 + i * 8 + 4), 4);\r
- }\r
-\r
- // calc keys\r
-\r
- pthread_t thread_id[2];\r
-\r
- // create and run worker threads\r
- for (i = 0; i < 2; i++) {\r
- pthread_create(thread_id + i, NULL, nested_worker_thread, &statelists[i]);\r
- }\r
-\r
- // wait for threads to terminate:\r
- for (i = 0; i < 2; i++) {\r
- pthread_join(thread_id[i], (void*)&statelists[i].head.slhead);\r
- }\r
-\r
-\r
- // the first 16 Bits of the cryptostate already contain part of our key.\r
- // Create the intersection of the two lists based on these 16 Bits and\r
- // roll back the cryptostate\r
- p1 = p3 = statelists[0].head.slhead;\r
- p2 = p4 = statelists[1].head.slhead;\r
- while (p1 <= statelists[0].tail.sltail && p2 <= statelists[1].tail.sltail) {\r
- if (Compare16Bits(p1, p2) == 0) {\r
- struct Crypto1State savestate, *savep = &savestate;\r
- savestate = *p1;\r
- while(Compare16Bits(p1, savep) == 0 && p1 <= statelists[0].tail.sltail) {\r
- *p3 = *p1;\r
- lfsr_rollback_word(p3, statelists[0].nt ^ statelists[0].uid, 0);\r
- p3++;\r
- p1++;\r
- }\r
- savestate = *p2;\r
- while(Compare16Bits(p2, savep) == 0 && p2 <= statelists[1].tail.sltail) {\r
- *p4 = *p2;\r
- lfsr_rollback_word(p4, statelists[1].nt ^ statelists[1].uid, 0);\r
- p4++;\r
- p2++;\r
- }\r
- }\r
- else {\r
- while (Compare16Bits(p1, p2) == -1) p1++;\r
- while (Compare16Bits(p1, p2) == 1) p2++;\r
- }\r
- }\r
- *(uint64_t*)p3 = -1;\r
- *(uint64_t*)p4 = -1;\r
- statelists[0].len = p3 - statelists[0].head.slhead;\r
- statelists[1].len = p4 - statelists[1].head.slhead;\r
- statelists[0].tail.sltail=--p3;\r
- statelists[1].tail.sltail=--p4;\r
-\r
- // the statelists now contain possible keys. The key we are searching for must be in the\r
- // intersection of both lists. Create the intersection:\r
- qsort(statelists[0].head.keyhead, statelists[0].len, sizeof(uint64_t), compare_uint64);\r
- qsort(statelists[1].head.keyhead, statelists[1].len, sizeof(uint64_t), compare_uint64);\r
- statelists[0].len = intersection(statelists[0].head.keyhead, statelists[1].head.keyhead);\r
-\r
- memset(resultKey, 0, 6);\r
- // The list may still contain several key candidates. Test each of them with mfCheckKeys\r
- for (i = 0; i < statelists[0].len; i++) {\r
- uint8_t keyBlock[6];\r
- uint64_t key64;\r
- crypto1_get_lfsr(statelists[0].head.slhead + i, &key64);\r
- num_to_bytes(key64, 6, keyBlock);\r
- key64 = 0;\r
- if (!mfCheckKeys(statelists[0].blockNo, statelists[0].keyType, false, 1, keyBlock, &key64)) {\r
- num_to_bytes(key64, 6, resultKey);\r
- break;\r
- }\r
- }\r
-\r
- free(statelists[0].head.slhead);\r
- free(statelists[1].head.slhead);\r
-\r
- return 0;\r
-}\r
-\r
-// EMULATOR\r
-\r
-int mfEmlGetMem(uint8_t *data, int blockNum, int blocksCount) {\r
- UsbCommand c = {CMD_MIFARE_EML_MEMGET, {blockNum, blocksCount, 0}};\r
- SendCommand(&c);\r
-\r
- UsbCommand resp;\r
- if (!WaitForResponseTimeout(CMD_ACK,&resp,1500)) return 1;\r
- memcpy(data, resp.d.asBytes, blocksCount * 16);\r
- return 0;\r
-}\r
-\r
-int mfEmlSetMem(uint8_t *data, int blockNum, int blocksCount) {\r
- UsbCommand c = {CMD_MIFARE_EML_MEMSET, {blockNum, blocksCount, 0}};\r
- memcpy(c.d.asBytes, data, blocksCount * 16);\r
- SendCommand(&c);\r
- return 0;\r
-}\r
-\r
-// "MAGIC" CARD\r
-\r
-int mfCGetBlock(uint8_t blockNo, uint8_t *data, uint8_t params) {\r
- uint8_t isOK = 0;\r
-\r
- UsbCommand c = {CMD_MIFARE_CGETBLOCK, {params, 0, blockNo}};\r
- SendCommand(&c);\r
-\r
- UsbCommand resp;\r
- if (WaitForResponseTimeout(CMD_ACK,&resp,1500)) {\r
- isOK = resp.arg[0] & 0xff;\r
- memcpy(data, resp.d.asBytes, 16);\r
- if (!isOK) return 2;\r
- } else {\r
- PrintAndLog("Command execute timeout");\r
- return 1;\r
- }\r
- return 0;\r
-}\r
-\r
-int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, bool wantWipe, uint8_t params) {\r
-\r
- uint8_t isOK = 0;\r
- UsbCommand c = {CMD_MIFARE_CSETBLOCK, {wantWipe, params & (0xFE | (uid == NULL ? 0:1)), blockNo}};\r
- memcpy(c.d.asBytes, data, 16);\r
- SendCommand(&c);\r
-\r
- UsbCommand resp;\r
- if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {\r
- isOK = resp.arg[0] & 0xff;\r
- if (uid != NULL)\r
- memcpy(uid, resp.d.asBytes, 4);\r
- if (!isOK)\r
- return 2;\r
- } else {\r
- PrintAndLog("Command execute timeout");\r
- return 1;\r
- }\r
-\r
- return 0;\r
-}\r
-\r
-int mfCWipe(uint32_t numSectors, bool gen1b, bool wantWipe, bool wantFill) {\r
- uint8_t isOK = 0;\r
- uint8_t cmdParams = wantWipe + wantFill * 0x02 + gen1b * 0x04;\r
- UsbCommand c = {CMD_MIFARE_CWIPE, {numSectors, cmdParams, 0}};\r
- SendCommand(&c);\r
-\r
- UsbCommand resp;\r
- WaitForResponse(CMD_ACK,&resp);\r
- isOK = resp.arg[0] & 0xff;\r
- \r
- return isOK;\r
-}\r
-\r
-int mfCSetUID(uint8_t *uid, uint8_t *atqa, uint8_t *sak, uint8_t *oldUID) {\r
- uint8_t oldblock0[16] = {0x00};\r
- uint8_t block0[16] = {0x00};\r
- int gen = 0, res;\r
-\r
- gen = mfCIdentify();\r
-\r
- /* generation 1a magic card by default */\r
- uint8_t cmdParams = CSETBLOCK_SINGLE_OPER;\r
- if (gen == 2) {\r
- /* generation 1b magic card */\r
- cmdParams = CSETBLOCK_SINGLE_OPER | CSETBLOCK_MAGIC_1B;\r
- }\r
- \r
- res = mfCGetBlock(0, oldblock0, cmdParams);\r
-\r
- if (res == 0) {\r
- memcpy(block0, oldblock0, 16);\r
- PrintAndLog("old block 0: %s", sprint_hex(block0,16));\r
- } else {\r
- PrintAndLog("Couldn't get old data. Will write over the last bytes of Block 0.");\r
- }\r
-\r
- // fill in the new values\r
- // UID\r
- memcpy(block0, uid, 4);\r
- // Mifare UID BCC\r
- block0[4] = block0[0] ^ block0[1] ^ block0[2] ^ block0[3];\r
- // mifare classic SAK(byte 5) and ATQA(byte 6 and 7, reversed)\r
- if (sak != NULL)\r
- block0[5] = sak[0];\r
- if (atqa != NULL) {\r
- block0[6] = atqa[1];\r
- block0[7] = atqa[0];\r
- }\r
- PrintAndLog("new block 0: %s", sprint_hex(block0, 16));\r
-\r
- res = mfCSetBlock(0, block0, oldUID, false, cmdParams);\r
- if (res) {\r
- PrintAndLog("Can't set block 0. Error: %d", res);\r
- return res;\r
- }\r
- \r
- return 0;\r
-}\r
-\r
-int mfCIdentify() {\r
- UsbCommand c = {CMD_MIFARE_CIDENT, {0, 0, 0}};\r
- SendCommand(&c);\r
- UsbCommand resp;\r
- WaitForResponse(CMD_ACK,&resp);\r
-\r
- uint8_t isGeneration = resp.arg[0] & 0xff;\r
- switch( isGeneration ){\r
- case 1: PrintAndLog("Chinese magic backdoor commands (GEN 1a) detected"); break;\r
- case 2: PrintAndLog("Chinese magic backdoor command (GEN 1b) detected"); break;\r
- default: PrintAndLog("No chinese magic backdoor command detected"); break;\r
- }\r
-\r
- return (int) isGeneration;\r
-}\r
-\r
-\r
-// SNIFFER\r
-\r
-// constants\r
-static uint8_t trailerAccessBytes[4] = {0x08, 0x77, 0x8F, 0x00};\r
-\r
-// variables\r
-char logHexFileName[FILE_PATH_SIZE] = {0x00};\r
-static uint8_t traceCard[4096] = {0x00};\r
-static char traceFileName[FILE_PATH_SIZE] = {0x00};\r
-static int traceState = TRACE_IDLE;\r
-static uint8_t traceCurBlock = 0;\r
-static uint8_t traceCurKey = 0;\r
-\r
-struct Crypto1State *traceCrypto1 = NULL;\r
-\r
-struct Crypto1State *revstate;\r
-uint64_t lfsr;\r
-uint64_t ui64Key;\r
-uint32_t ks2;\r
-uint32_t ks3;\r
-\r
-uint32_t uid; // serial number\r
-uint32_t nt; // tag challenge\r
-uint32_t nt_enc; // encrypted tag challenge\r
-uint8_t nt_enc_par; // encrypted tag challenge parity\r
-uint32_t nr_enc; // encrypted reader challenge\r
-uint32_t ar_enc; // encrypted reader response\r
-uint8_t ar_enc_par; // encrypted reader response parity\r
-uint32_t at_enc; // encrypted tag response\r
-uint8_t at_enc_par; // encrypted tag response parity\r
-\r
-int isTraceCardEmpty(void) {\r
- return ((traceCard[0] == 0) && (traceCard[1] == 0) && (traceCard[2] == 0) && (traceCard[3] == 0));\r
-}\r
-\r
-int isBlockEmpty(int blockN) {\r
- for (int i = 0; i < 16; i++)\r
- if (traceCard[blockN * 16 + i] != 0) return 0;\r
-\r
- return 1;\r
-}\r
-\r
-int isBlockTrailer(int blockN) {\r
- return ((blockN & 0x03) == 0x03);\r
-}\r
-\r
-int saveTraceCard(void) {\r
- FILE * f;\r
-\r
- if ((!strlen(traceFileName)) || (isTraceCardEmpty())) return 0;\r
-\r
- f = fopen(traceFileName, "w+");\r
- if ( !f ) return 1;\r
-\r
- for (int i = 0; i < 64; i++) { // blocks\r
- for (int j = 0; j < 16; j++) // bytes\r
- fprintf(f, "%02x", *(traceCard + i * 16 + j));\r
- if (i < 63)\r
- fprintf(f,"\n");\r
- }\r
- fclose(f);\r
- return 0;\r
-}\r
-\r
-int loadTraceCard(uint8_t *tuid) {\r
- FILE * f;\r
- char buf[64] = {0x00};\r
- uint8_t buf8[64] = {0x00};\r
- int i, blockNum;\r
-\r
- if (!isTraceCardEmpty())\r
- saveTraceCard();\r
-\r
- memset(traceCard, 0x00, 4096);\r
- memcpy(traceCard, tuid + 3, 4);\r
-\r
- FillFileNameByUID(traceFileName, tuid, ".eml", 7);\r
-\r
- f = fopen(traceFileName, "r");\r
- if (!f) return 1;\r
-\r
- blockNum = 0;\r
-\r
- while(!feof(f)){\r
-\r
- memset(buf, 0, sizeof(buf));\r
- if (fgets(buf, sizeof(buf), f) == NULL) {\r
- PrintAndLog("File reading error.");\r
- fclose(f);\r
- return 2;\r
- }\r
-\r
- if (strlen(buf) < 32){\r
- if (feof(f)) break;\r
- PrintAndLog("File content error. Block data must include 32 HEX symbols");\r
- fclose(f);\r
- return 2;\r
- }\r
- for (i = 0; i < 32; i += 2)\r
- sscanf(&buf[i], "%02x", (unsigned int *)&buf8[i / 2]);\r
-\r
- memcpy(traceCard + blockNum * 16, buf8, 16);\r
-\r
- blockNum++;\r
- }\r
- fclose(f);\r
-\r
- return 0;\r
-}\r
-\r
-int mfTraceInit(uint8_t *tuid, uint8_t *atqa, uint8_t sak, bool wantSaveToEmlFile) {\r
-\r
- if (traceCrypto1)\r
- crypto1_destroy(traceCrypto1);\r
-\r
- traceCrypto1 = NULL;\r
-\r
- if (wantSaveToEmlFile)\r
- loadTraceCard(tuid);\r
-\r
- traceCard[4] = traceCard[0] ^ traceCard[1] ^ traceCard[2] ^ traceCard[3];\r
- traceCard[5] = sak;\r
- memcpy(&traceCard[6], atqa, 2);\r
- traceCurBlock = 0;\r
- uid = bytes_to_num(tuid + 3, 4);\r
-\r
- traceState = TRACE_IDLE;\r
-\r
- return 0;\r
-}\r
-\r
-void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len, bool isEncrypted){\r
- uint8_t bt = 0;\r
- int i;\r
-\r
- if (len != 1) {\r
- for (i = 0; i < len; i++)\r
- data[i] = crypto1_byte(pcs, 0x00, isEncrypted) ^ data[i];\r
- } else {\r
- bt = 0;\r
- for (i = 0; i < 4; i++)\r
- bt |= (crypto1_bit(pcs, 0, isEncrypted) ^ BIT(data[0], i)) << i;\r
-\r
- data[0] = bt;\r
- }\r
- return;\r
-}\r
-\r
-bool NTParityCheck(uint32_t ntx) {\r
- if (\r
- (oddparity8(ntx >> 8 & 0xff) ^ (ntx & 0x01) ^ ((nt_enc_par >> 5) & 0x01) ^ (nt_enc & 0x01)) ||\r
- (oddparity8(ntx >> 16 & 0xff) ^ (ntx >> 8 & 0x01) ^ ((nt_enc_par >> 6) & 0x01) ^ (nt_enc >> 8 & 0x01)) ||\r
- (oddparity8(ntx >> 24 & 0xff) ^ (ntx >> 16 & 0x01) ^ ((nt_enc_par >> 7) & 0x01) ^ (nt_enc >> 16 & 0x01))\r
- )\r
- return false;\r
- \r
- uint32_t ar = prng_successor(ntx, 64);\r
- if (\r
- (oddparity8(ar >> 8 & 0xff) ^ (ar & 0x01) ^ ((ar_enc_par >> 5) & 0x01) ^ (ar_enc & 0x01)) ||\r
- (oddparity8(ar >> 16 & 0xff) ^ (ar >> 8 & 0x01) ^ ((ar_enc_par >> 6) & 0x01) ^ (ar_enc >> 8 & 0x01)) ||\r
- (oddparity8(ar >> 24 & 0xff) ^ (ar >> 16 & 0x01) ^ ((ar_enc_par >> 7) & 0x01) ^ (ar_enc >> 16 & 0x01))\r
- )\r
- return false;\r
-\r
- uint32_t at = prng_successor(ntx, 96);\r
- if (\r
- (oddparity8(ar & 0xff) ^ (at >> 24 & 0x01) ^ ((ar_enc_par >> 4) & 0x01) ^ (at_enc >> 24 & 0x01)) ||\r
- (oddparity8(at >> 8 & 0xff) ^ (at & 0x01) ^ ((at_enc_par >> 5) & 0x01) ^ (at_enc & 0x01)) ||\r
- (oddparity8(at >> 16 & 0xff) ^ (at >> 8 & 0x01) ^ ((at_enc_par >> 6) & 0x01) ^ (at_enc >> 8 & 0x01)) ||\r
- (oddparity8(at >> 24 & 0xff) ^ (at >> 16 & 0x01) ^ ((at_enc_par >> 7) & 0x01) ^ (at_enc >> 16 & 0x01))\r
- )\r
- return false;\r
- \r
- return true;\r
-}\r
-\r
-\r
-int mfTraceDecode(uint8_t *data_src, int len, uint8_t parity, bool wantSaveToEmlFile) {\r
- uint8_t data[64];\r
-\r
- if (traceState == TRACE_ERROR) return 1;\r
- if (len > 64) {\r
- traceState = TRACE_ERROR;\r
- return 1;\r
- }\r
-\r
- memcpy(data, data_src, len);\r
- if ((traceCrypto1) && ((traceState == TRACE_IDLE) || (traceState > TRACE_AUTH_OK))) {\r
- mf_crypto1_decrypt(traceCrypto1, data, len, 0);\r
- uint8_t parity[16];\r
- oddparitybuf(data, len, parity);\r
- PrintAndLog("dec> %s [%s]", sprint_hex(data, len), printBitsPar(parity, len));\r
- AddLogHex(logHexFileName, "dec> ", data, len);\r
- }\r
-\r
- switch (traceState) {\r
- case TRACE_IDLE:\r
- // check packet crc16!\r
- if ((len >= 4) && (!CheckCrc14443(CRC_14443_A, data, len))) {\r
- PrintAndLog("dec> CRC ERROR!!!");\r
- AddLogLine(logHexFileName, "dec> ", "CRC ERROR!!!");\r
- traceState = TRACE_ERROR; // do not decrypt the next commands\r
- return 1;\r
- }\r
-\r
- // AUTHENTICATION\r
- if ((len ==4) && ((data[0] == 0x60) || (data[0] == 0x61))) {\r
- traceState = TRACE_AUTH1;\r
- traceCurBlock = data[1];\r
- traceCurKey = data[0] == 60 ? 1:0;\r
- return 0;\r
- }\r
-\r
- // READ\r
- if ((len ==4) && ((data[0] == 0x30))) {\r
- traceState = TRACE_READ_DATA;\r
- traceCurBlock = data[1];\r
- return 0;\r
- }\r
-\r
- // WRITE\r
- if ((len ==4) && ((data[0] == 0xA0))) {\r
- traceState = TRACE_WRITE_OK;\r
- traceCurBlock = data[1];\r
- return 0;\r
- }\r
-\r
- // HALT\r
- if ((len ==4) && ((data[0] == 0x50) && (data[1] == 0x00))) {\r
- traceState = TRACE_ERROR; // do not decrypt the next commands\r
- return 0;\r
- }\r
-\r
- return 0;\r
- break;\r
-\r
- case TRACE_READ_DATA:\r
- if (len == 18) {\r
- traceState = TRACE_IDLE;\r
-\r
- if (isBlockTrailer(traceCurBlock)) {\r
- memcpy(traceCard + traceCurBlock * 16 + 6, data + 6, 4);\r
- } else {\r
- memcpy(traceCard + traceCurBlock * 16, data, 16);\r
- }\r
- if (wantSaveToEmlFile) saveTraceCard();\r
- return 0;\r
- } else {\r
- traceState = TRACE_ERROR;\r
- return 1;\r
- }\r
- break;\r
-\r
- case TRACE_WRITE_OK:\r
- if ((len == 1) && (data[0] == 0x0a)) {\r
- traceState = TRACE_WRITE_DATA;\r
-\r
- return 0;\r
- } else {\r
- traceState = TRACE_ERROR;\r
- return 1;\r
- }\r
- break;\r
-\r
- case TRACE_WRITE_DATA:\r
- if (len == 18) {\r
- traceState = TRACE_IDLE;\r
-\r
- memcpy(traceCard + traceCurBlock * 16, data, 16);\r
- if (wantSaveToEmlFile) saveTraceCard();\r
- return 0;\r
- } else {\r
- traceState = TRACE_ERROR;\r
- return 1;\r
- }\r
- break;\r
-\r
- case TRACE_AUTH1:\r
- if (len == 4) {\r
- traceState = TRACE_AUTH2;\r
- if (!traceCrypto1) {\r
- nt = bytes_to_num(data, 4);\r
- } else {\r
- nt_enc = bytes_to_num(data, 4);\r
- nt_enc_par = parity;\r
- }\r
- return 0;\r
- } else {\r
- traceState = TRACE_ERROR;\r
- return 1;\r
- }\r
- break;\r
-\r
- case TRACE_AUTH2:\r
- if (len == 8) {\r
- traceState = TRACE_AUTH_OK;\r
-\r
- nr_enc = bytes_to_num(data, 4);\r
- ar_enc = bytes_to_num(data + 4, 4);\r
- ar_enc_par = parity << 4;\r
- return 0;\r
- } else {\r
- traceState = TRACE_ERROR;\r
- return 1;\r
- }\r
- break;\r
-\r
- case TRACE_AUTH_OK:\r
- if (len ==4) {\r
- traceState = TRACE_IDLE;\r
-\r
- at_enc = bytes_to_num(data, 4);\r
- at_enc_par = parity;\r
- if (!traceCrypto1) {\r
-\r
- // decode key here)\r
- ks2 = ar_enc ^ prng_successor(nt, 64);\r
- ks3 = at_enc ^ prng_successor(nt, 96);\r
- revstate = lfsr_recovery64(ks2, ks3);\r
- lfsr_rollback_word(revstate, 0, 0);\r
- lfsr_rollback_word(revstate, 0, 0);\r
- lfsr_rollback_word(revstate, nr_enc, 1);\r
- lfsr_rollback_word(revstate, uid ^ nt, 0);\r
-\r
- crypto1_get_lfsr(revstate, &lfsr);\r
- crypto1_destroy(revstate);\r
- ui64Key = lfsr;\r
- printf("key> probable key:%x%x Prng:%s ks2:%08x ks3:%08x\n", \r
- (unsigned int)((lfsr & 0xFFFFFFFF00000000) >> 32), (unsigned int)(lfsr & 0xFFFFFFFF), \r
- validate_prng_nonce(nt) ? "WEAK": "HARDEND",\r
- ks2,\r
- ks3);\r
- AddLogUint64(logHexFileName, "key> ", lfsr);\r
- } else {\r
- if (validate_prng_nonce(nt)) {\r
- struct Crypto1State *pcs;\r
- pcs = crypto1_create(ui64Key);\r
- uint32_t nt1 = crypto1_word(pcs, nt_enc ^ uid, 1) ^ nt_enc;\r
- uint32_t ar = prng_successor(nt1, 64);\r
- uint32_t at = prng_successor(nt1, 96);\r
- printf("key> nested auth uid: %08x nt: %08x nt_parity: %s ar: %08x at: %08x\n", uid, nt1, printBitsPar(&nt_enc_par, 4), ar, at);\r
- uint32_t nr1 = crypto1_word(pcs, nr_enc, 1) ^ nr_enc;\r
- uint32_t ar1 = crypto1_word(pcs, 0, 0) ^ ar_enc;\r
- uint32_t at1 = crypto1_word(pcs, 0, 0) ^ at_enc;\r
- crypto1_destroy(pcs);\r
- printf("key> the same key test. nr1: %08x ar1: %08x at1: %08x \n", nr1, ar1, at1);\r
-\r
- if (NTParityCheck(nt1))\r
- printf("key> the same key test OK. key=%x%x\n", (unsigned int)((ui64Key & 0xFFFFFFFF00000000) >> 32), (unsigned int)(ui64Key & 0xFFFFFFFF));\r
- else\r
- printf("key> the same key test. check nt parity error.\n");\r
- \r
- uint32_t ntc = prng_successor(nt, 90);\r
- uint32_t ntx = 0;\r
- int ntcnt = 0;\r
- for (int i = 0; i < 16383; i++) {\r
- ntc = prng_successor(ntc, 1);\r
- if (NTParityCheck(ntc)){\r
- if (!ntcnt)\r
- ntx = ntc;\r
- ntcnt++;\r
- } \r
- }\r
- if (ntcnt)\r
- printf("key> nt candidate=%08x nonce distance=%d candidates count=%d\n", ntx, nonce_distance(nt, ntx), ntcnt);\r
- else\r
- printf("key> don't have any nt candidate( \n");\r
-\r
- nt = ntx;\r
- ks2 = ar_enc ^ prng_successor(ntx, 64);\r
- ks3 = at_enc ^ prng_successor(ntx, 96);\r
-\r
- // decode key\r
- revstate = lfsr_recovery64(ks2, ks3);\r
- lfsr_rollback_word(revstate, 0, 0);\r
- lfsr_rollback_word(revstate, 0, 0);\r
- lfsr_rollback_word(revstate, nr_enc, 1);\r
- lfsr_rollback_word(revstate, uid ^ nt, 0);\r
-\r
- crypto1_get_lfsr(revstate, &lfsr);\r
- crypto1_destroy(revstate);\r
- ui64Key = lfsr;\r
- printf("key> probable key:%x%x ks2:%08x ks3:%08x\n", \r
- (unsigned int)((lfsr & 0xFFFFFFFF00000000) >> 32), (unsigned int)(lfsr & 0xFFFFFFFF),\r
- ks2,\r
- ks3);\r
- AddLogUint64(logHexFileName, "key> ", lfsr);\r
- } else { \r
- printf("key> hardnested not implemented!\n");\r
- \r
- crypto1_destroy(traceCrypto1);\r
-\r
- // not implemented\r
- traceState = TRACE_ERROR;\r
- }\r
- }\r
-\r
- int blockShift = ((traceCurBlock & 0xFC) + 3) * 16;\r
- if (isBlockEmpty((traceCurBlock & 0xFC) + 3)) memcpy(traceCard + blockShift + 6, trailerAccessBytes, 4);\r
-\r
- if (traceCurKey) {\r
- num_to_bytes(lfsr, 6, traceCard + blockShift + 10);\r
- } else {\r
- num_to_bytes(lfsr, 6, traceCard + blockShift);\r
- }\r
- if (wantSaveToEmlFile) saveTraceCard();\r
-\r
- if (traceCrypto1) {\r
- crypto1_destroy(traceCrypto1);\r
- }\r
-\r
- // set cryptosystem state\r
- traceCrypto1 = lfsr_recovery64(ks2, ks3);\r
- return 0;\r
- } else {\r
- traceState = TRACE_ERROR;\r
- return 1;\r
- }\r
- break;\r
-\r
- default:\r
- traceState = TRACE_ERROR;\r
- return 1;\r
- }\r
-\r
- return 0;\r
-}\r
-\r
-// DECODING\r
-\r
-int tryDecryptWord(uint32_t nt, uint32_t ar_enc, uint32_t at_enc, uint8_t *data, int len){\r
- /*\r
- uint32_t nt; // tag challenge\r
- uint32_t ar_enc; // encrypted reader response\r
- uint32_t at_enc; // encrypted tag response\r
- */\r
- if (traceCrypto1) {\r
- crypto1_destroy(traceCrypto1);\r
- }\r
- ks2 = ar_enc ^ prng_successor(nt, 64);\r
- ks3 = at_enc ^ prng_successor(nt, 96);\r
- traceCrypto1 = lfsr_recovery64(ks2, ks3);\r
-\r
- mf_crypto1_decrypt(traceCrypto1, data, len, 0);\r
-\r
- PrintAndLog("Decrypted data: [%s]", sprint_hex(data,len) );\r
- crypto1_destroy(traceCrypto1);\r
- return 0;\r
-}\r
-\r
-/** validate_prng_nonce\r
- * Determine if nonce is deterministic. ie: Suspectable to Darkside attack.\r
- * returns\r
- * true = weak prng\r
- * false = hardend prng\r
- */\r
-bool validate_prng_nonce(uint32_t nonce) {\r
- uint16_t *dist = 0;\r
- uint16_t x, i;\r
-\r
- dist = malloc(2 << 16);\r
- if(!dist)\r
- return -1;\r
-\r
- // init prng table:\r
- for (x = i = 1; i; ++i) {\r
- dist[(x & 0xff) << 8 | x >> 8] = i;\r
- x = x >> 1 | (x ^ x >> 2 ^ x >> 3 ^ x >> 5) << 15;\r
- }\r
- \r
- uint32_t res = (65535 - dist[nonce >> 16] + dist[nonce & 0xffff]) % 65535;\r
- \r
- free(dist); \r
- return (res == 16);\r
-}\r
-\r
-/* Detect Tag Prng, \r
-* function performs a partial AUTH, where it tries to authenticate against block0, key A, but only collects tag nonce.\r
-* the tag nonce is check to see if it has a predictable PRNG.\r
-* @returns \r
-* TRUE if tag uses WEAK prng (ie Now the NACK bug also needs to be present for Darkside attack)\r
-* FALSE is tag uses HARDEND prng (ie hardnested attack possible, with known key)\r
-*/\r
-int DetectClassicPrng(void){\r
-\r
- UsbCommand resp, respA; \r
- uint8_t cmd[] = {0x60, 0x00}; // MIFARE_AUTH_KEYA\r
- uint32_t flags = ISO14A_CONNECT | ISO14A_RAW | ISO14A_APPEND_CRC | ISO14A_NO_RATS;\r
- \r
- UsbCommand c = {CMD_READER_ISO_14443a, {flags, sizeof(cmd), 0}};\r
- memcpy(c.d.asBytes, cmd, sizeof(cmd));\r
-\r
- clearCommandBuffer();\r
- SendCommand(&c);\r
- if (!WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {\r
- PrintAndLog("PRNG UID: Reply timeout.");\r
- return -1;\r
- }\r
- \r
- // if select tag failed.\r
- if (resp.arg[0] == 0) {\r
- PrintAndLog("PRNG error: selecting tag failed, can't detect prng.");\r
- return -1;\r
- }\r
- \r
- if (!WaitForResponseTimeout(CMD_ACK, &respA, 5000)) {\r
- PrintAndLog("PRNG data: Reply timeout.");\r
- return -1;\r
- }\r
-\r
- // check respA\r
- if (respA.arg[0] != 4) {\r
- PrintAndLog("PRNG data error: Wrong length: %d", respA.arg[0]);\r
- return -1;\r
- }\r
-\r
- uint32_t nonce = bytes_to_num(respA.d.asBytes, respA.arg[0]);\r
- return validate_prng_nonce(nonce);\r
-}\r
+++ /dev/null
-// Merlok, 2011, 2017\r
-// people from mifare@nethemba.com, 2010\r
-//\r
-// This code is licensed to you under the terms of the GNU GPL, version 2 or,\r
-// at your option, any later version. See the LICENSE.txt file for the text of\r
-// the license.\r
-//-----------------------------------------------------------------------------\r
-// High frequency ISO14443A commands\r
-//-----------------------------------------------------------------------------\r
-\r
-#ifndef MIFAREHOST_H\r
-#define MIFAREHOST_H\r
-\r
-#include <stdint.h>\r
-#include <stdbool.h>\r
-#include "crapto1/crapto1.h"\r
-#include "util.h"\r
-\r
-// defaults\r
-// timeout in units. (ms * 106)/10 or us*0.0106\r
-// 5 == 500us\r
-#define MF_CHKKEYS_DEFTIMEOUT 5\r
-\r
-// mfCSetBlock work flags\r
-#define CSETBLOCK_UID 0x01\r
-#define CSETBLOCK_WUPC 0x02\r
-#define CSETBLOCK_HALT 0x04\r
-#define CSETBLOCK_INIT_FIELD 0x08\r
-#define CSETBLOCK_RESET_FIELD 0x10\r
-#define CSETBLOCK_SINGLE_OPER 0x1F\r
-#define CSETBLOCK_MAGIC_1B 0x40\r
-\r
-typedef struct {\r
- uint64_t Key[2];\r
- int foundKey[2];\r
-} sector_t;\r
-\r
-extern char logHexFileName[FILE_PATH_SIZE];\r
-\r
-extern int mfDarkside(uint64_t *key);\r
-extern int mfnested(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_t trgBlockNo, uint8_t trgKeyType, uint8_t *ResultKeys, bool calibrate);\r
-extern int mfCheckKeys (uint8_t blockNo, uint8_t keyType, bool clear_trace, uint8_t keycnt, uint8_t *keyBlock, uint64_t *key);\r
-extern int mfCheckKeysSec(uint8_t sectorCnt, uint8_t keyType, uint8_t timeout14a, bool clear_trace, uint8_t keycnt, uint8_t * keyBlock, sector_t * e_sector);\r
-\r
-extern int mfEmlGetMem(uint8_t *data, int blockNum, int blocksCount);\r
-extern int mfEmlSetMem(uint8_t *data, int blockNum, int blocksCount);\r
-\r
-extern int mfCWipe(uint32_t numSectors, bool gen1b, bool wantWipe, bool wantFill);\r
-extern int mfCSetUID(uint8_t *uid, uint8_t *atqa, uint8_t *sak, uint8_t *oldUID);\r
-extern int mfCSetBlock(uint8_t blockNo, uint8_t *data, uint8_t *uid, bool wantWipe, uint8_t params);\r
-extern int mfCGetBlock(uint8_t blockNo, uint8_t *data, uint8_t params);\r
-\r
-extern int mfTraceInit(uint8_t *tuid, uint8_t *atqa, uint8_t sak, bool wantSaveToEmlFile);\r
-extern int mfTraceDecode(uint8_t *data_src, int len, uint8_t parity, bool wantSaveToEmlFile);\r
-\r
-extern int isTraceCardEmpty(void);\r
-extern int isBlockEmpty(int blockN);\r
-extern int isBlockTrailer(int blockN);\r
-extern int loadTraceCard(uint8_t *tuid);\r
-extern int saveTraceCard(void);\r
-extern int tryDecryptWord(uint32_t nt, uint32_t ar_enc, uint32_t at_enc, uint8_t *data, int len);\r
-\r
-extern int mfCIdentify();\r
-extern int DetectClassicPrng(void);\r
-extern bool validate_prng_nonce(uint32_t nonce);\r
-extern void mf_crypto1_decrypt(struct Crypto1State *pcs, uint8_t *data, int len, bool isEncrypted);\r
-\r
-#endif\r
#include "usb_cmd.h"
#include "cmdmain.h"
#include "util.h"
-#include "mifarehost.h"
+#include "mifare/mifarehost.h"
#include "../common/iso15693tools.h"
#include "iso14443crc.h"
#include "../common/crc16.h"
#include <stdint.h>
#include <stddef.h>
+#define BITMASK(X) (1 << (X))
+
+uint32_t reflect(uint32_t v, int b) {
+ uint32_t t = v;
+ for (int i = 0; i < b; ++i) {
+ if (t & 1)
+ v |= BITMASK((b - 1) - i);
+ else
+ v &= ~BITMASK((b - 1) - i);
+ t >>= 1;
+ }
+ return v;
+}
+
void crc_init(crc_t *crc, int order, uint32_t polynom, uint32_t initial_value, uint32_t final_xor)
{
crc->order = order;
}
return crc_finish(&crc);
}
+
+// width=8 poly=0x1d, init=0xc7 (0xe3 - WRONG! but it mentioned in MAD datasheet) refin=false refout=false xorout=0x00 name="CRC-8/MIFARE-MAD"
+uint32_t CRC8Mad(uint8_t *buff, size_t size) {
+ crc_t crc;
+ crc_init(&crc, 8, reflect(0x1d, 8), reflect(0xc7, 8), 0);
+ for (int i = 0; i < size; ++i)
+ crc_update(&crc, reflect(buff[i], 8), 8);
+
+ return reflect(crc_finish(&crc), 8);
+}
#include <stdint.h>
#include <stddef.h>
+#include <stdbool.h>
typedef struct crc {
uint32_t state;
// Calculate CRC-8/Maxim checksum
uint32_t CRC8Maxim(uint8_t *buff, size_t size );
+
+// Calculate CRC-8 Mifare MAD checksum
+uint32_t CRC8Mad(uint8_t *buff, size_t size);
+
/* Static initialization of a crc structure */
#define CRC_INITIALIZER(_order, _polynom, _initial_value, _final_xor) { \
.state = ((_initial_value) & ((1L<<(_order))-1)), \
#include "common.h"
+#define MF_KEY_A 0
+#define MF_KEY_B 1
+
+#define MF_MAD1_SECTOR 0x00
+#define MF_MAD2_SECTOR 0x10
+
//-----------------------------------------------------------------------------
// ISO 14443A
//-----------------------------------------------------------------------------
-VPATH = ../../common ../../common/crapto1 ../../client
+VPATH = ../../common ../../common/crapto1 ../../client ../../client/mifare
CC = gcc
LD = gcc
CFLAGS += -std=c99 -D_ISOC99_SOURCE -I../../include -I../../common -I../../client -Wall -O3
#include <stdio.h>
#include <stdlib.h>
#include "crapto1/crapto1.h"
-#include "mfkey.h"
+#include "mifare/mfkey.h"
#include "util_posix.h"
projects / proxmark3-svn / commitdiff