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mfp mad and ndef works

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merlokk 2019-03-14 16:59:02 +02:00
commit 7e18e8d430
6 changed files with 458 additions and 135 deletions
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322
client/cmdhfmfp.c
View file

@ -23,108 +23,16 @@
#include "cmdhf14a.h" #include "cmdhf14a.h"
#include "mifare.h" #include "mifare.h"
#include "mifare/mifare4.h" #include "mifare/mifare4.h"
#include "mifare/mad.h"
#include "mifare/ndef.h"
#include "cliparser/cliparser.h" #include "cliparser/cliparser.h"
#include "crypto/libpcrypto.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}; 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 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) { int CmdHFMFPInfo(const char *cmd) {
if (cmd && strlen(cmd) > 0) if (cmd && strlen(cmd) > 0)
@ -229,7 +137,7 @@ int CmdHFMFPWritePerso(const char *cmd) {
CLIGetHexWithReturn(3, key, &keyLen); CLIGetHexWithReturn(3, key, &keyLen);
CLIParserFree(); CLIParserFree();
SetVerboseMode(verbose); mfpSetVerboseMode(verbose);
if (!keyLen) { if (!keyLen) {
memmove(key, DefaultKey, 16); memmove(key, DefaultKey, 16);
@ -260,7 +168,7 @@ int CmdHFMFPWritePerso(const char *cmd) {
} }
if (data[0] != 0x90) { 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; return 1;
} }
PrintAndLog("Write OK."); PrintAndLog("Write OK.");
@ -304,7 +212,7 @@ int CmdHFMFPInitPerso(const char *cmd) {
if (!keyLen) if (!keyLen)
memmove(key, DefaultKey, 16); memmove(key, DefaultKey, 16);
SetVerboseMode(verbose2); mfpSetVerboseMode(verbose2);
for (uint16_t sn = 0x4000; sn < 0x4050; sn++) { for (uint16_t sn = 0x4000; sn < 0x4050; sn++) {
keyNum[0] = sn >> 8; keyNum[0] = sn >> 8;
keyNum[1] = sn & 0xff; keyNum[1] = sn & 0xff;
@ -319,7 +227,7 @@ int CmdHFMFPInitPerso(const char *cmd) {
} }
} }
SetVerboseMode(verbose); mfpSetVerboseMode(verbose);
for (int i = 0; i < sizeof(CardAddresses) / 2; i++) { for (int i = 0; i < sizeof(CardAddresses) / 2; i++) {
keyNum[0] = CardAddresses[i] >> 8; keyNum[0] = CardAddresses[i] >> 8;
keyNum[1] = CardAddresses[i] & 0xff; keyNum[1] = CardAddresses[i] & 0xff;
@ -360,7 +268,7 @@ int CmdHFMFPCommitPerso(const char *cmd) {
bool verbose = arg_get_lit(1); bool verbose = arg_get_lit(1);
CLIParserFree(); CLIParserFree();
SetVerboseMode(verbose); mfpSetVerboseMode(verbose);
uint8_t data[250] = {0}; uint8_t data[250] = {0};
int datalen = 0; int datalen = 0;
@ -377,7 +285,7 @@ int CmdHFMFPCommitPerso(const char *cmd) {
} }
if (data[0] != 0x90) { 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; return 1;
} }
PrintAndLog("Switch level OK."); PrintAndLog("Switch level OK.");
@ -453,7 +361,7 @@ int CmdHFMFPRdbl(const char *cmd) {
CLIGetHexWithReturn(6, key, &keylen); CLIGetHexWithReturn(6, key, &keylen);
CLIParserFree(); CLIParserFree();
SetVerboseMode(verbose); mfpSetVerboseMode(verbose);
if (!keylen) { if (!keylen) {
memmove(key, DefaultKey, 16); memmove(key, DefaultKey, 16);
@ -504,7 +412,7 @@ int CmdHFMFPRdbl(const char *cmd) {
} }
if (datalen && data[0] != 0x90) { 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; return 6;
} }
@ -563,7 +471,7 @@ int CmdHFMFPRdsc(const char *cmd) {
CLIGetHexWithReturn(5, key, &keylen); CLIGetHexWithReturn(5, key, &keylen);
CLIParserFree(); CLIParserFree();
SetVerboseMode(verbose); mfpSetVerboseMode(verbose);
if (!keylen) { if (!keylen) {
memmove(key, DefaultKey, 16); memmove(key, DefaultKey, 16);
@ -605,7 +513,7 @@ int CmdHFMFPRdsc(const char *cmd) {
} }
if (datalen && data[0] != 0x90) { 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(); DropField();
return 6; return 6;
} }
@ -661,7 +569,7 @@ int CmdHFMFPWrbl(const char *cmd) {
CLIGetHexWithReturn(5, key, &keylen); CLIGetHexWithReturn(5, key, &keylen);
CLIParserFree(); CLIParserFree();
SetVerboseMode(verbose); mfpSetVerboseMode(verbose);
if (!keylen) { if (!keylen) {
memmove(key, DefaultKey, 16); memmove(key, DefaultKey, 16);
@ -714,7 +622,7 @@ int CmdHFMFPWrbl(const char *cmd) {
} }
if (datalen && data[0] != 0x90) { 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(); DropField();
return 6; return 6;
} }
@ -733,6 +641,204 @@ int CmdHFMFPWrbl(const char *cmd) {
return 0; 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(&sector0[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[] = static command_t CommandTable[] =
{ {
{"help", CmdHelp, 1, "This help"}, {"help", CmdHelp, 1, "This help"},
@ -744,6 +850,8 @@ static command_t CommandTable[] =
{"rdbl", CmdHFMFPRdbl, 0, "Read blocks"}, {"rdbl", CmdHFMFPRdbl, 0, "Read blocks"},
{"rdsc", CmdHFMFPRdsc, 0, "Read sectors"}, {"rdsc", CmdHFMFPRdsc, 0, "Read sectors"},
{"wrbl", CmdHFMFPWrbl, 0, "Write blocks"}, {"wrbl", CmdHFMFPWrbl, 0, "Write blocks"},
{"mad", CmdHFMFPMAD, 0, "Checks and prints MAD"},
{"ndef", CmdHFMFPNDEF, 0, "Prints NDEF records from card"},
{NULL, NULL, 0, NULL} {NULL, NULL, 0, NULL}
}; };

212
client/mifare/mifare4.c
View file

@ -17,6 +17,39 @@
#include "ui.h" #include "ui.h"
#include "crypto/libpcrypto.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[] = { AccessConditions_t MFAccessConditions[] = {
{0x00, "read AB; write AB; increment AB; decrement transfer restore AB"}, {0x00, "read AB; write AB; increment AB; decrement transfer restore AB"},
{0x01, "read AB; decrement transfer restore AB"}, {0x01, "read AB; decrement transfer restore AB"},
@ -95,7 +128,7 @@ int CalculateMAC(mf4Session *session, MACType_t mtype, uint8_t blockNum, uint8_t
memset(mac, 0x00, 8); memset(mac, 0x00, 8);
uint16_t ctr = session->R_Ctr; uint16_t ctr = session->R_Ctr;
switch(mtype) { switch (mtype) {
case mtypWriteCmd: case mtypWriteCmd:
case mtypWriteResp: case mtypWriteResp:
ctr = session->W_Ctr; ctr = session->W_Ctr;
@ -109,7 +142,7 @@ int CalculateMAC(mf4Session *session, MACType_t mtype, uint8_t blockNum, uint8_t
int macdatalen = datalen; int macdatalen = datalen;
memcpy(&macdata[3], session->TI, 4); memcpy(&macdata[3], session->TI, 4);
switch(mtype) { switch (mtype) {
case mtypReadCmd: case mtypReadCmd:
memcpy(&macdata[7], &data[1], datalen - 1); memcpy(&macdata[7], &data[1], datalen - 1);
macdatalen = datalen + 6; macdatalen = datalen + 6;
@ -149,28 +182,28 @@ int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateF
uint8_t cmd1[] = {0x70, keyn[1], keyn[0], 0x00}; uint8_t cmd1[] = {0x70, keyn[1], keyn[0], 0x00};
int res = ExchangeRAW14a(cmd1, sizeof(cmd1), activateField, true, data, sizeof(data), &datalen); int res = ExchangeRAW14a(cmd1, sizeof(cmd1), activateField, true, data, sizeof(data), &datalen);
if (res) { if (res) {
PrintAndLog("ERROR exchande raw error: %d", res); PrintAndLogEx(ERR, "Exchande raw error: %d", res);
DropField(); DropField();
return 2; return 2;
} }
if (verbose) if (verbose)
PrintAndLog("<phase1: %s", sprint_hex(data, datalen)); PrintAndLogEx(INFO, "<phase1: %s", sprint_hex(data, datalen));
if (datalen < 1) { if (datalen < 1) {
PrintAndLog("ERROR: card response length: %d", datalen); PrintAndLogEx(ERR, "Card response wrong length: %d", datalen);
DropField(); DropField();
return 3; return 3;
} }
if (data[0] != 0x90) { if (data[0] != 0x90) {
PrintAndLog("ERROR: card response error: %02x", data[2]); PrintAndLogEx(ERR, "Card response error: %02x", data[2]);
DropField(); DropField();
return 3; return 3;
} }
if (datalen != 19) { // code 1b + 16b + crc 2b if (datalen != 19) { // code 1b + 16b + crc 2b
PrintAndLog("ERROR: card response must be 19 bytes long instead of: %d", datalen); PrintAndLogEx(ERR, "Card response must be 19 bytes long instead of: %d", datalen);
DropField(); DropField();
return 3; return 3;
} }
@ -178,7 +211,7 @@ int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateF
aes_decode(NULL, key, &data[1], RndB, 16); aes_decode(NULL, key, &data[1], RndB, 16);
RndB[16] = RndB[0]; RndB[16] = RndB[0];
if (verbose) if (verbose)
PrintAndLog("RndB: %s", sprint_hex(RndB, 16)); PrintAndLogEx(INFO, "RndB: %s", sprint_hex(RndB, 16));
uint8_t cmd2[33] = {0}; uint8_t cmd2[33] = {0};
cmd2[0] = 0x72; cmd2[0] = 0x72;
@ -189,51 +222,51 @@ int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateF
aes_encode(NULL, key, raw, &cmd2[1], 32); aes_encode(NULL, key, raw, &cmd2[1], 32);
if (verbose) if (verbose)
PrintAndLog(">phase2: %s", sprint_hex(cmd2, 33)); PrintAndLogEx(INFO, ">phase2: %s", sprint_hex(cmd2, 33));
res = ExchangeRAW14a(cmd2, sizeof(cmd2), false, true, data, sizeof(data), &datalen); res = ExchangeRAW14a(cmd2, sizeof(cmd2), false, true, data, sizeof(data), &datalen);
if (res) { if (res) {
PrintAndLog("ERROR exchande raw error: %d", res); PrintAndLogEx(ERR, "Exchande raw error: %d", res);
DropField(); DropField();
return 4; return 4;
} }
if (verbose) if (verbose)
PrintAndLog("<phase2: %s", sprint_hex(data, datalen)); PrintAndLogEx(INFO, "<phase2: %s", sprint_hex(data, datalen));
aes_decode(NULL, key, &data[1], raw, 32); aes_decode(NULL, key, &data[1], raw, 32);
if (verbose) { if (verbose) {
PrintAndLog("res: %s", sprint_hex(raw, 32)); PrintAndLogEx(INFO, "res: %s", sprint_hex(raw, 32));
PrintAndLog("RndA`: %s", sprint_hex(&raw[4], 16)); PrintAndLogEx(INFO, "RndA`: %s", sprint_hex(&raw[4], 16));
} }
if (memcmp(&raw[4], &RndA[1], 16)) { if (memcmp(&raw[4], &RndA[1], 16)) {
PrintAndLog("\nERROR: Authentication FAILED. rnd not equal"); PrintAndLogEx(ERR, "\nAuthentication FAILED. rnd not equal");
if (verbose) { if (verbose) {
PrintAndLog("RndA reader: %s", sprint_hex(&RndA[1], 16)); PrintAndLogEx(ERR, "RndA reader: %s", sprint_hex(&RndA[1], 16));
PrintAndLog("RndA card: %s", sprint_hex(&raw[4], 16)); PrintAndLogEx(ERR, "RndA card: %s", sprint_hex(&raw[4], 16));
} }
DropField(); DropField();
return 5; return 5;
} }
if (verbose) { if (verbose) {
PrintAndLog(" TI: %s", sprint_hex(raw, 4)); PrintAndLogEx(INFO, " TI: %s", sprint_hex(raw, 4));
PrintAndLog("pic: %s", sprint_hex(&raw[20], 6)); PrintAndLogEx(INFO, "pic: %s", sprint_hex(&raw[20], 6));
PrintAndLog("pcd: %s", sprint_hex(&raw[26], 6)); PrintAndLogEx(INFO, "pcd: %s", sprint_hex(&raw[26], 6));
} }
uint8_t kenc[16] = {0}; uint8_t kenc[16] = {0};
memcpy(&kenc[0], &RndA[11], 5); memcpy(&kenc[0], &RndA[11], 5);
memcpy(&kenc[5], &RndB[11], 5); memcpy(&kenc[5], &RndB[11], 5);
for(int i = 0; i < 5; i++) for (int i = 0; i < 5; i++)
kenc[10 + i] = RndA[4 + i] ^ RndB[4 + i]; kenc[10 + i] = RndA[4 + i] ^ RndB[4 + i];
kenc[15] = 0x11; kenc[15] = 0x11;
aes_encode(NULL, key, kenc, kenc, 16); aes_encode(NULL, key, kenc, kenc, 16);
if (verbose) { if (verbose) {
PrintAndLog("kenc: %s", sprint_hex(kenc, 16)); PrintAndLogEx(INFO, "kenc: %s", sprint_hex(kenc, 16));
} }
uint8_t kmac[16] = {0}; uint8_t kmac[16] = {0};
@ -268,9 +301,134 @@ int MifareAuth4(mf4Session *session, uint8_t *keyn, uint8_t *key, bool activateF
memmove(session->Kenc, kenc, 16); memmove(session->Kenc, kenc, 16);
memmove(session->Kmac, kmac, 16); memmove(session->Kmac, kmac, 16);
} }
PrintAndLog("Authentication OK"); 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; return 0;
} }
@ -291,7 +449,7 @@ uint8_t mfFirstBlockOfSector(uint8_t sectorNo) {
} }
uint8_t mfSectorTrailer(uint8_t blockNo) { uint8_t mfSectorTrailer(uint8_t blockNo) {
if (blockNo < 32*4) { if (blockNo < 32 * 4) {
return (blockNo | 0x03); return (blockNo | 0x03);
} else { } else {
return (blockNo | 0x0f); return (blockNo | 0x0f);

9
client/mifare/mifare4.h
View file

@ -43,9 +43,18 @@ typedef struct {
char *description; char *description;
} AccessConditions_t; } 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 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 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 char *mfGetAccessConditionsDesc(uint8_t blockn, uint8_t *data);
extern uint8_t mfNumBlocksPerSector(uint8_t sectorNo); extern uint8_t mfNumBlocksPerSector(uint8_t sectorNo);

40
common/crc.c
View file

@ -9,13 +9,32 @@
#include <stdint.h> #include <stdint.h>
#include <stddef.h> #include <stddef.h>
#ifndef BITMASK
# define BITMASK(X) (1 << (X))
#endif
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) void crc_init(crc_t *crc, int order, uint32_t polynom, uint32_t initial_value, uint32_t final_xor)
{ {
crc->order = order; crc->order = order;
crc->topbit = BITMASK(order - 1);
crc->polynom = polynom; crc->polynom = polynom;
crc->initial_value = initial_value; crc->initial_value = initial_value;
crc->final_xor = final_xor; crc->final_xor = final_xor;
crc->mask = (1L<<order)-1; crc->mask = (1L<<order)-1;
crc->refin = false;
crc->refout = false;
crc_clear(crc); crc_clear(crc);
} }
@ -32,9 +51,28 @@ void crc_update(crc_t *crc, uint32_t data, int data_width)
} }
} }
void crc_update2(crc_t *crc, uint32_t data, int data_width) {
if (crc->refin)
data = reflect(data, data_width);
// Bring the next byte into the remainder.
crc->state ^= data << (crc->order - data_width);
for (uint8_t bit = data_width; bit > 0; --bit) {
if (crc->state & crc->topbit)
crc->state = (crc->state << 1) ^ crc->polynom;
else
crc->state = (crc->state << 1);
}
}
void crc_clear(crc_t *crc) void crc_clear(crc_t *crc)
{ {
crc->state = crc->initial_value & crc->mask; crc->state = crc->initial_value & crc->mask;
if (crc->refin)
crc->state = reflect(crc->state, crc->order);
} }
uint32_t crc_finish(crc_t *crc) uint32_t crc_finish(crc_t *crc)
@ -60,6 +98,6 @@ uint32_t CRC8Mad(uint8_t *buff, size_t size) {
crc_t crc; crc_t crc;
crc_init(&crc, 8, 0x1d, 0xc7, 0); crc_init(&crc, 8, 0x1d, 0xc7, 0);
for (int i = 0; i < size; ++i) for (int i = 0; i < size; ++i)
crc_update(&crc, buff[i], 8); crc_update2(&crc, buff[i], 8);
return crc_finish(&crc); return crc_finish(&crc);
} }

4
common/crc.h
View file

@ -11,6 +11,7 @@
#include <stdint.h> #include <stdint.h>
#include <stddef.h> #include <stddef.h>
#include <stdbool.h>
typedef struct crc { typedef struct crc {
uint32_t state; uint32_t state;
@ -19,6 +20,9 @@ typedef struct crc {
uint32_t initial_value; uint32_t initial_value;
uint32_t final_xor; uint32_t final_xor;
uint32_t mask; uint32_t mask;
int topbit;
bool refin; /* Parameter: Reflect input bytes? */
bool refout; /* Parameter: Reflect output CRC? */
} crc_t; } crc_t;
/* Initialize a crc structure. order is the order of the polynom, e.g. 32 for a CRC-32 /* Initialize a crc structure. order is the order of the polynom, e.g. 32 for a CRC-32

6
include/mifare.h
View file

@ -13,6 +13,12 @@
#include "common.h" #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 // ISO 14443A
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------