X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/1ee79256095a770dd406a9cbd48f2a04c2d1499a..a3bef9863b9e06a820c7559b9caffeaaa1bb575b:/armsrc/mifarecmd.c diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c index 8f141d65..bed2f076 100644 --- a/armsrc/mifarecmd.c +++ b/armsrc/mifarecmd.c @@ -14,29 +14,61 @@ //----------------------------------------------------------------------------- #include "mifarecmd.h" + +#include + +#include "proxmark3.h" +#include "cmd.h" +#include "crapto1/crapto1.h" +#include "iso14443a.h" +#include "BigBuf.h" +#include "mifareutil.h" #include "apps.h" +#include "protocols.h" #include "util.h" #include "parity.h" #include "crc.h" +#include "fpgaloader.h" +#define HARDNESTED_AUTHENTICATION_TIMEOUT 848 // card times out 1ms after wrong authentication (according to NXP documentation) +#define HARDNESTED_PRE_AUTHENTICATION_LEADTIME 400 // some (non standard) cards need a pause after select before they are ready for first authentication + +/* // the block number for the ISO14443-4 PCB -uint8_t pcb_blocknum = 0; +static uint8_t pcb_blocknum = 0; // Deselect card by sending a s-block. the crc is precalced for speed static uint8_t deselect_cmd[] = {0xc2,0xe0,0xb4}; +static void OnSuccess(){ + pcb_blocknum = 0; + ReaderTransmit(deselect_cmd, 3 , NULL); + FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + LEDsoff(); +} +*/ + +static void OnError(uint8_t reason){ + // pcb_blocknum = 0; + // ReaderTransmit(deselect_cmd, 3 , NULL); + FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + LED_D_OFF(); + cmd_send(CMD_ACK,0,reason,0,0,0); + LED_A_OFF(); +} + //----------------------------------------------------------------------------- -// Select, Authenticate, Read a MIFARE tag. +// Select, Authenticate, Read a MIFARE tag. // read block //----------------------------------------------------------------------------- void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) { - // params + LED_A_ON(); + uint8_t blockNo = arg0; uint8_t keyType = arg1; uint64_t ui64Key = 0; ui64Key = bytes_to_num(datain, 6); - - // variables + byte_t isOK = 0; byte_t dataoutbuf[16]; uint8_t uid[10]; @@ -49,39 +81,35 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) clear_trace(); - LED_A_ON(); - LED_B_OFF(); - LED_C_OFF(); - while (true) { - if(!iso14443a_select_card(uid, NULL, &cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); + if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) { + if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); break; }; if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Auth error"); + if (MF_DBGLEVEL >= 1) Dbprintf("Auth error"); break; }; - + if(mifare_classic_readblock(pcs, cuid, blockNo, dataoutbuf)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Read block error"); + if (MF_DBGLEVEL >= 1) Dbprintf("Read block error"); break; }; if(mifare_classic_halt(pcs, cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); + if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); break; }; - + isOK = 1; break; } - + // ----------------------------- crypto1 destroy crypto1_destroy(pcs); - - if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED"); + + if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED"); LED_B_ON(); cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16); @@ -93,21 +121,18 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){ + LED_A_ON(); bool turnOffField = (arg0 == 1); - LED_A_ON(); LED_B_OFF(); LED_C_OFF(); - iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); - clear_trace(); - - if(!iso14443a_select_card(NULL, NULL, NULL)) { + if (!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card"); OnError(0); return; }; - - if(!mifare_ultra_auth(keybytes)){ + + if (!mifare_ultra_auth(keybytes)){ if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Authentication failed"); OnError(1); return; @@ -115,9 +140,11 @@ void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){ if (turnOffField) { FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - LEDsoff(); + LED_D_OFF(); } + cmd_send(CMD_ACK,1,0,0,0,0); + LED_A_OFF(); } // Arg0 = BlockNo, @@ -125,18 +152,16 @@ void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){ // datain = PWD bytes, void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) { + LED_A_ON(); + uint8_t blockNo = arg0; byte_t dataout[16] = {0x00}; bool useKey = (arg1 == 1); //UL_C bool usePwd = (arg1 == 2); //UL_EV1/NTAG - LEDsoff(); - LED_A_ON(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); - clear_trace(); - - int len = iso14443a_select_card(NULL, NULL, NULL); + int len = iso14443a_select_card(NULL, NULL, NULL, true, 0, true); if(!len) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len); OnError(1); @@ -144,7 +169,7 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) } // UL-C authentication - if ( useKey ) { + if (useKey) { uint8_t key[16] = {0x00}; memcpy(key, datain, sizeof(key) ); @@ -155,7 +180,7 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) } // UL-EV1 / NTAG authentication - if ( usePwd ) { + if (usePwd) { uint8_t pwd[4] = {0x00}; memcpy(pwd, datain, 4); uint8_t pack[4] = {0,0,0,0}; @@ -163,15 +188,15 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) OnError(1); return; } - } + } - if( mifare_ultra_readblock(blockNo, dataout) ) { + if (mifare_ultra_readblock(blockNo, dataout)) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error"); OnError(2); return; } - if( mifare_ultra_halt() ) { + if (mifare_ultra_halt()) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error"); OnError(3); return; @@ -179,11 +204,12 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) cmd_send(CMD_ACK,1,0,0,dataout,16); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - LEDsoff(); + LED_D_OFF(); + LED_A_OFF(); } //----------------------------------------------------------------------------- -// Select, Authenticate, Read a MIFARE tag. +// Select, Authenticate, Read a MIFARE tag. // read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes) //----------------------------------------------------------------------------- void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) @@ -193,7 +219,7 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) uint8_t keyType = arg1; uint64_t ui64Key = 0; ui64Key = bytes_to_num(datain, 6); - + // variables byte_t isOK = 0; byte_t dataoutbuf[16 * 16]; @@ -212,32 +238,32 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) LED_C_OFF(); isOK = 1; - if(!iso14443a_select_card(uid, NULL, &cuid)) { + if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) { isOK = 0; - if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); + if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); } - + if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) { isOK = 0; - if (MF_DBGLEVEL >= 1) Dbprintf("Auth error"); + if (MF_DBGLEVEL >= 1) Dbprintf("Auth error"); } - + for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) { if(mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf + 16 * blockNo)) { isOK = 0; - if (MF_DBGLEVEL >= 1) Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo); + if (MF_DBGLEVEL >= 1) Dbprintf("Read sector %2d block %2d error", sectorNo, blockNo); break; } } - + if(mifare_classic_halt(pcs, cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); + if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); } // ----------------------------- crypto1 destroy crypto1_destroy(pcs); - + if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED"); LED_B_ON(); @@ -255,13 +281,11 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) // datain = KEY bytes void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain) { - LEDsoff(); LED_A_ON(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); // free eventually allocated BigBuf memory BigBuf_free(); - clear_trace(); // params uint8_t blockNo = arg0; @@ -276,7 +300,7 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain) return; } - int len = iso14443a_select_card(NULL, NULL, NULL); + int len = iso14443a_select_card(NULL, NULL, NULL, true, 0, true); if (!len) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len); OnError(1); @@ -284,7 +308,7 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain) } // UL-C authentication - if ( useKey ) { + if (useKey) { uint8_t key[16] = {0x00}; memcpy(key, datain, sizeof(key) ); @@ -302,7 +326,7 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain) if (!mifare_ul_ev1_auth(pwd, pack)){ OnError(1); - return; + return; } } @@ -311,7 +335,7 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain) Dbprintf("Data exceeds buffer!!"); break; } - + len = mifare_ultra_readblock(blockNo + i, dataout + 4 * i); if (len) { @@ -336,18 +360,18 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain) return; } - if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Blocks read %d", countblocks); + if (MF_DBGLEVEL >= MF_DBG_DEBUG) Dbprintf("Blocks read %d", countblocks); - countblocks *= 4; + cmd_send(CMD_ACK, 1, countblocks*4, BigBuf_max_traceLen(), 0, 0); - cmd_send(CMD_ACK, 1, countblocks, BigBuf_max_traceLen(), 0, 0); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - LEDsoff(); + LED_D_OFF(); BigBuf_free(); + LED_A_OFF(); } //----------------------------------------------------------------------------- -// Select, Authenticate, Write a MIFARE tag. +// Select, Authenticate, Write a MIFARE tag. // read block //----------------------------------------------------------------------------- void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) @@ -360,7 +384,7 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) ui64Key = bytes_to_num(datain, 6); memcpy(blockdata, datain + 10, 16); - + // variables byte_t isOK = 0; uint8_t uid[10]; @@ -378,34 +402,34 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) LED_C_OFF(); while (true) { - if(!iso14443a_select_card(uid, NULL, &cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); + if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) { + if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); break; }; if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Auth error"); + if (MF_DBGLEVEL >= 1) Dbprintf("Auth error"); break; }; - + if(mifare_classic_writeblock(pcs, cuid, blockNo, blockdata)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Write block error"); + if (MF_DBGLEVEL >= 1) Dbprintf("Write block error"); break; }; if(mifare_classic_halt(pcs, cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); + if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); break; }; - + isOK = 1; break; } - + // ----------------------------- crypto1 destroy crypto1_destroy(pcs); - - if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED"); + + if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED"); LED_B_ON(); cmd_send(CMD_ACK,isOK,0,0,0,0); @@ -417,7 +441,7 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) LEDsoff(); } -/* // Command not needed but left for future testing +/* // Command not needed but left for future testing void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain) { uint8_t blockNo = arg0; @@ -432,7 +456,7 @@ void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain) clear_trace(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); - if(!iso14443a_select_card(uid, NULL, NULL)) { + if(!iso14443a_select_card(uid, NULL, NULL, true, 0)) { if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); OnError(0); return; @@ -441,7 +465,7 @@ void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain) if(mifare_ultra_writeblock_compat(blockNo, blockdata)) { if (MF_DBGLEVEL >= 1) Dbprintf("Write block error"); OnError(0); - return; }; + return; }; if(mifare_ultra_halt()) { if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); @@ -471,14 +495,14 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) byte_t blockdata[4] = {0x00}; memcpy(blockdata, datain,4); - + LEDsoff(); LED_A_ON(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); clear_trace(); - if(!iso14443a_select_card(NULL, NULL, NULL)) { + if(!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) { if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); OnError(0); return; @@ -494,7 +518,7 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) return; } } - + // UL-EV1 / NTAG authentication if (usePwd) { uint8_t pwd[4] = {0x00}; @@ -526,18 +550,18 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) } void MifareUSetPwd(uint8_t arg0, uint8_t *datain){ - + uint8_t pwd[16] = {0x00}; byte_t blockdata[4] = {0x00}; - + memcpy(pwd, datain, 16); - + LED_A_ON(); LED_B_OFF(); LED_C_OFF(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); clear_trace(); - if(!iso14443a_select_card(NULL, NULL, NULL)) { + if(!iso14443a_select_card(NULL, NULL, NULL, true, 0, true)) { if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); OnError(0); return; @@ -581,7 +605,7 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){ if (MF_DBGLEVEL >= 1) Dbprintf("Write block error"); OnError(47); return; - }; + }; if(mifare_ultra_halt()) { if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); @@ -603,8 +627,138 @@ int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) { //----------------------------------------------------------------------------- -// MIFARE nested authentication. -// +// acquire encrypted nonces in order to perform the attack described in +// Carlo Meijer, Roel Verdult, "Ciphertext-only Cryptanalysis on Hardened +// Mifare Classic Cards" in Proceedings of the 22nd ACM SIGSAC Conference on +// Computer and Communications Security, 2015 +//----------------------------------------------------------------------------- +void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *datain) +{ + uint64_t ui64Key = 0; + uint8_t uid[10]; + uint32_t cuid; + uint8_t cascade_levels = 0; + struct Crypto1State mpcs = {0, 0}; + struct Crypto1State *pcs; + pcs = &mpcs; + uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; + int16_t isOK = 0; + uint8_t par_enc[1]; + uint8_t nt_par_enc = 0; + uint8_t buf[USB_CMD_DATA_SIZE]; + uint32_t timeout; + + uint8_t blockNo = arg0 & 0xff; + uint8_t keyType = (arg0 >> 8) & 0xff; + uint8_t targetBlockNo = arg1 & 0xff; + uint8_t targetKeyType = (arg1 >> 8) & 0xff; + ui64Key = bytes_to_num(datain, 6); + bool initialize = flags & 0x0001; + bool slow = flags & 0x0002; + bool field_off = flags & 0x0004; + + LED_A_ON(); + LED_C_OFF(); + + if (initialize) { + iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); + clear_trace(); + set_tracing(true); + } + + LED_C_ON(); + + uint16_t num_nonces = 0; + bool have_uid = false; + for (uint16_t i = 0; i <= USB_CMD_DATA_SIZE - 9; ) { + + // Test if the action was cancelled + if(BUTTON_PRESS()) { + isOK = 2; + field_off = true; + break; + } + + if (!have_uid) { // need a full select cycle to get the uid first + iso14a_card_select_t card_info; + if(!iso14443a_select_card(uid, &card_info, &cuid, true, 0, true)) { + if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (ALL)"); + continue; + } + switch (card_info.uidlen) { + case 4 : cascade_levels = 1; break; + case 7 : cascade_levels = 2; break; + case 10: cascade_levels = 3; break; + default: break; + } + have_uid = true; + } else { // no need for anticollision. We can directly select the card + if(!iso14443a_select_card(uid, NULL, NULL, false, cascade_levels, true)) { + if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (UID)"); + continue; + } + } + + if (slow) { + timeout = GetCountSspClk() + HARDNESTED_PRE_AUTHENTICATION_LEADTIME; + while(GetCountSspClk() < timeout); + } + + uint32_t nt1; + if (mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, NULL)) { + if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth1 error"); + continue; + } + + // nested authentication + uint16_t len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par_enc, NULL); + if (len != 4) { + if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Auth2 error len=%d", len); + continue; + } + + // send an incomplete dummy response in order to trigger the card's authentication failure timeout + uint8_t dummy_answer[1] = {0}; + ReaderTransmit(dummy_answer, 1, NULL); + + timeout = GetCountSspClk() + HARDNESTED_AUTHENTICATION_TIMEOUT; + + num_nonces++; + if (num_nonces % 2) { + memcpy(buf+i, receivedAnswer, 4); + nt_par_enc = par_enc[0] & 0xf0; + } else { + nt_par_enc |= par_enc[0] >> 4; + memcpy(buf+i+4, receivedAnswer, 4); + memcpy(buf+i+8, &nt_par_enc, 1); + i += 9; + } + + // wait for the card to become ready again + while(GetCountSspClk() < timeout); + + } + + LED_C_OFF(); + + crypto1_destroy(pcs); + + LED_B_ON(); + cmd_send(CMD_ACK, isOK, cuid, num_nonces, buf, sizeof(buf)); + LED_B_OFF(); + + if (MF_DBGLEVEL >= 3) DbpString("AcquireEncryptedNonces finished"); + + if (field_off) { + FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + LEDsoff(); + } +} + + +//----------------------------------------------------------------------------- +// MIFARE nested authentication. +// //----------------------------------------------------------------------------- void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *datain) { @@ -616,7 +770,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat uint64_t ui64Key = 0; ui64Key = bytes_to_num(datain, 6); - + // variables uint16_t rtr, i, j, len; uint16_t davg; @@ -625,7 +779,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat uint32_t cuid, nt1, nt2, nttmp, nttest, ks1; uint8_t par[1]; uint32_t target_nt[2], target_ks[2]; - + uint8_t par_array[4]; uint16_t ncount = 0; struct Crypto1State mpcs = {0, 0}; @@ -645,19 +799,19 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat if (calibrate) clear_trace(); set_tracing(true); - + // statistics on nonce distance int16_t isOK = 0; #define NESTED_MAX_TRIES 12 uint16_t unsuccessfull_tries = 0; - if (calibrate) { // for first call only. Otherwise reuse previous calibration + if (calibrate) { // for first call only. Otherwise reuse previous calibration LED_B_ON(); WDT_HIT(); davg = dmax = 0; dmin = 2000; delta_time = 0; - + for (rtr = 0; rtr < 17; rtr++) { // Test if the action was cancelled @@ -668,20 +822,20 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat // prepare next select. No need to power down the card. if(mifare_classic_halt(pcs, cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error"); + if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error"); rtr--; continue; } - if(!iso14443a_select_card(uid, NULL, &cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card"); + if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) { + if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card"); rtr--; continue; }; auth1_time = 0; if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error"); + if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error"); rtr--; continue; }; @@ -692,12 +846,12 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat auth2_time = 0; } if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_NESTED, &nt2, &auth2_time)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error"); + if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error"); rtr--; continue; }; - nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160 + nttmp = prng_successor(nt1, 100); //NXP Mifare is typical around 840,but for some unlicensed/compatible mifare card this can be 160 for (i = 101; i < 1200; i++) { nttmp = prng_successor(nttmp, 1); if (nttmp == nt2) break; @@ -715,24 +869,24 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat if (MF_DBGLEVEL >= 3) Dbprintf("Nested: calibrating... ntdist=%d", i); } else { unsuccessfull_tries++; - if (unsuccessfull_tries > NESTED_MAX_TRIES) { // card isn't vulnerable to nested attack (random numbers are not predictable) + if (unsuccessfull_tries > NESTED_MAX_TRIES) { // card isn't vulnerable to nested attack (random numbers are not predictable) isOK = -3; } } } davg = (davg + (rtr - 1)/2) / (rtr - 1); - + if (MF_DBGLEVEL >= 3) Dbprintf("rtr=%d isOK=%d min=%d max=%d avg=%d, delta_time=%d", rtr, isOK, dmin, dmax, davg, delta_time); dmin = davg - 2; dmax = davg + 2; - + LED_B_OFF(); - + } - // ------------------------------------------------------------------------------------------------- - + // ------------------------------------------------------------------------------------------------- + LED_C_ON(); // get crypted nonces for target sector @@ -740,21 +894,21 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat target_nt[i] = 0; while(target_nt[i] == 0) { // continue until we have an unambiguous nonce - + // prepare next select. No need to power down the card. if(mifare_classic_halt(pcs, cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error"); + if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Halt error"); continue; } - if(!iso14443a_select_card(uid, NULL, &cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card"); + if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) { + if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card"); continue; }; - + auth1_time = 0; if(mifare_classic_authex(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST, &nt1, &auth1_time)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error"); + if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth1 error"); continue; }; @@ -762,18 +916,18 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat auth2_time = auth1_time + delta_time; len = mifare_sendcmd_short(pcs, AUTH_NESTED, 0x60 + (targetKeyType & 0x01), targetBlockNo, receivedAnswer, par, &auth2_time); if (len != 4) { - if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len); + if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Auth2 error len=%d", len); continue; }; - - nt2 = bytes_to_num(receivedAnswer, 4); + + nt2 = bytes_to_num(receivedAnswer, 4); if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: Testing nt1=%08x nt2enc=%08x nt2par=%02x", i+1, nt1, nt2, par[0]); - + // Parity validity check for (j = 0; j < 4; j++) { par_array[j] = (oddparity8(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01)); } - + ncount = 0; nttest = prng_successor(nt1, dmin - 1); for (j = dmin; j < dmax + 1; j++) { @@ -781,7 +935,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat ks1 = nt2 ^ nttest; if (valid_nonce(nttest, nt2, ks1, par_array)){ - if (ncount > 0) { // we are only interested in disambiguous nonces, try again + if (ncount > 0) { // we are only interested in disambiguous nonces, try again if (MF_DBGLEVEL >= 3) Dbprintf("Nonce#%d: dismissed (ambigous), ntdist=%d", i+1, j); target_nt[i] = 0; break; @@ -802,97 +956,143 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat } LED_C_OFF(); - + // ----------------------------- crypto1 destroy crypto1_destroy(pcs); - + byte_t buf[4 + 4 * 4]; memcpy(buf, &cuid, 4); memcpy(buf+4, &target_nt[0], 4); memcpy(buf+8, &target_ks[0], 4); memcpy(buf+12, &target_nt[1], 4); memcpy(buf+16, &target_ks[1], 4); - + LED_B_ON(); cmd_send(CMD_ACK, isOK, 0, targetBlockNo + (targetKeyType * 0x100), buf, sizeof(buf)); LED_B_OFF(); - if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED"); + if (MF_DBGLEVEL >= 3) DbpString("NESTED FINISHED"); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); } //----------------------------------------------------------------------------- -// MIFARE check keys. key count up to 85. -// +// MIFARE check keys. key count up to 85. +// //----------------------------------------------------------------------------- -void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) +void MifareChkKeys(uint16_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain) { - // params uint8_t blockNo = arg0 & 0xff; uint8_t keyType = (arg0 >> 8) & 0xff; - bool clearTrace = arg1; + bool clearTrace = arg1 & 0x01; + bool multisectorCheck = arg1 & 0x02; + uint8_t set14aTimeout = (arg1 >> 8) & 0xff; uint8_t keyCount = arg2; - uint64_t ui64Key = 0; + + LED_A_ON(); + + // clear debug level + int OLD_MF_DBGLEVEL = MF_DBGLEVEL; + MF_DBGLEVEL = MF_DBG_NONE; + + iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); + + if (clearTrace) { + clear_trace(); + } + set_tracing(true); + + if (set14aTimeout){ + iso14a_set_timeout(set14aTimeout * 10); // timeout: ms = x/106 35-minimum, 50-OK 106-recommended 500-safe + } + + if (multisectorCheck) { + TKeyIndex keyIndex = {{0}}; + uint8_t sectorCnt = blockNo; + int res = MifareMultisectorChk(datain, keyCount, sectorCnt, keyType, OLD_MF_DBGLEVEL, &keyIndex); + + if (res >= 0) { + cmd_send(CMD_ACK, 1, 0, 0, keyIndex, 80); + } else { + cmd_send(CMD_ACK, 0, 0, 0, NULL, 0); + } + } else { + int res = MifareChkBlockKeys(datain, keyCount, blockNo, keyType, OLD_MF_DBGLEVEL); + + if (res > 0) { + cmd_send(CMD_ACK, 1, 0, 0, datain + (res - 1) * 6, 6); + } else { + cmd_send(CMD_ACK, 0, 0, 0, NULL, 0); + } + } + + FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + LED_D_OFF(); + + // restore debug level + MF_DBGLEVEL = OLD_MF_DBGLEVEL; - // variables - int i; - byte_t isOK = 0; + LED_A_OFF(); +} + + +//----------------------------------------------------------------------------- +// MIFARE Personalize UID. Only for Mifare Classic EV1 7Byte UID +//----------------------------------------------------------------------------- +void MifarePersonalizeUID(uint8_t keyType, uint8_t perso_option, uint8_t *data) { + uint8_t uid[10]; uint32_t cuid; struct Crypto1State mpcs = {0, 0}; struct Crypto1State *pcs; pcs = &mpcs; - - // clear debug level - int OLD_MF_DBGLEVEL = MF_DBGLEVEL; - MF_DBGLEVEL = MF_DBG_NONE; - + LED_A_ON(); - LED_B_OFF(); - LED_C_OFF(); - iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); + clear_trace(); - if (clearTrace) clear_trace(); - set_tracing(TRUE); + iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); - for (i = 0; i < keyCount; i++) { - if(mifare_classic_halt(pcs, cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Halt error"); + bool isOK = false; + while (true) { + if (!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) { + if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); + break; } - if(!iso14443a_select_card(uid, NULL, &cuid)) { - if (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card"); + uint8_t block_number = 0; + uint64_t key = bytes_to_num(data, 6); + if (mifare_classic_auth(pcs, cuid, block_number, keyType, key, AUTH_FIRST)) { + if (MF_DBGLEVEL >= 1) Dbprintf("Auth error"); break; - }; + } - ui64Key = bytes_to_num(datain + i * 6, 6); - if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) { - continue; - }; - - isOK = 1; + uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; + uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; + int len = mifare_sendcmd_short(pcs, true, MIFARE_EV1_PERSONAL_UID, perso_option, receivedAnswer, receivedAnswerPar, NULL); + if (len != 1 || receivedAnswer[0] != CARD_ACK) { + if (MF_DBGLEVEL >= 1) Dbprintf("Cmd Error: %02x", receivedAnswer[0]); + break;; + } + isOK = true; break; } - - // ----------------------------- crypto1 destroy - crypto1_destroy(pcs); - - LED_B_ON(); - cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6); - LED_B_OFF(); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - LEDsoff(); + LED_D_OFF(); - // restore debug level - MF_DBGLEVEL = OLD_MF_DBGLEVEL; + crypto1_destroy(pcs); + + if (MF_DBGLEVEL >= 2) DbpString("PERSONALIZE UID FINISHED"); + + cmd_send(CMD_ACK, isOK, 0, 0, NULL, 0); + + LED_A_OFF(); } //----------------------------------------------------------------------------- // MIFARE commands set debug level -// +// //----------------------------------------------------------------------------- void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){ MF_DBGLEVEL = arg0; @@ -901,7 +1101,7 @@ void MifareSetDbgLvl(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai //----------------------------------------------------------------------------- // Work with emulator memory -// +// // Note: we call FpgaDownloadAndGo(FPGA_BITSTREAM_HF) here although FPGA is not // involved in dealing with emulator memory. But if it is called later, it might // destroy the Emulator Memory. @@ -929,7 +1129,7 @@ void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain) //----------------------------------------------------------------------------- // Load a card into the emulator memory -// +// //----------------------------------------------------------------------------- void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){ uint8_t numSectors = arg0; @@ -949,43 +1149,43 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai LED_B_OFF(); LED_C_OFF(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); - + clear_trace(); set_tracing(false); - + bool isOK = true; - if(!iso14443a_select_card(uid, NULL, &cuid)) { + if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) { isOK = false; - if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); + if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); } - + for (uint8_t sectorNo = 0; isOK && sectorNo < numSectors; sectorNo++) { ui64Key = emlGetKey(sectorNo, keyType); if (sectorNo == 0){ if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_FIRST)) { isOK = false; - if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth error", sectorNo); + if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth error", sectorNo); break; } } else { if(isOK && mifare_classic_auth(pcs, cuid, FirstBlockOfSector(sectorNo), keyType, ui64Key, AUTH_NESTED)) { isOK = false; - if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth nested error", sectorNo); + if (MF_DBGLEVEL >= 1) Dbprintf("Sector[%2d]. Auth nested error", sectorNo); break; } } - + for (uint8_t blockNo = 0; isOK && blockNo < NumBlocksPerSector(sectorNo); blockNo++) { if(isOK && mifare_classic_readblock(pcs, cuid, FirstBlockOfSector(sectorNo) + blockNo, dataoutbuf)) { isOK = false; - if (MF_DBGLEVEL >= 1) Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo); + if (MF_DBGLEVEL >= 1) Dbprintf("Error reading sector %2d block %2d", sectorNo, blockNo); break; }; if (isOK) { if (blockNo < NumBlocksPerSector(sectorNo) - 1) { emlSetMem(dataoutbuf, FirstBlockOfSector(sectorNo) + blockNo, 1); - } else { // sector trailer, keep the keys, set only the AC + } else { // sector trailer, keep the keys, set only the AC emlGetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1); memcpy(&dataoutbuf2[6], &dataoutbuf[6], 4); emlSetMem(dataoutbuf2, FirstBlockOfSector(sectorNo) + blockNo, 1); @@ -996,7 +1196,7 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai } if(mifare_classic_halt(pcs, cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); + if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); }; // ----------------------------- crypto1 destroy @@ -1004,7 +1204,7 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); - + if (MF_DBGLEVEL >= 2) DbpString("EMUL FILL SECTORS FINISHED"); } @@ -1012,10 +1212,147 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai //----------------------------------------------------------------------------- // Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn) -// +// //----------------------------------------------------------------------------- + +static bool isBlockTrailer(int blockN) { + if (blockN >= 0 && blockN < 128) { + return ((blockN & 0x03) == 0x03); + } + if (blockN >= 128 && blockN <= 256) { + return ((blockN & 0x0F) == 0x0F); + } + return false; +} + +void MifareCWipe(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){ + // var + byte_t isOK = 0; + uint32_t numBlocks = arg0; + // cmdParams: + // bit 0 - wipe gen1a + // bit 1 - fill card with default data + // bit 2 - gen1a = 0, gen1b = 1 + uint8_t cmdParams = arg1; + bool needWipe = cmdParams & 0x01; + bool needFill = cmdParams & 0x02; + bool gen1b = cmdParams & 0x04; + + uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; + uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; + + uint8_t block0[16] = {0x01, 0x02, 0x03, 0x04, 0x04, 0x08, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xBE, 0xAF}; + uint8_t block1[16] = {0x00}; + uint8_t blockK[16] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x08, 0x77, 0x8F, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; + uint8_t d_block[18] = {0x00}; + + // card commands + uint8_t wupC1[] = { 0x40 }; + uint8_t wupC2[] = { 0x43 }; + uint8_t wipeC[] = { 0x41 }; + + // iso14443 setup + LED_A_ON(); + LED_B_OFF(); + LED_C_OFF(); + iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); + + // tracing + clear_trace(); + set_tracing(true); + + while (true){ + // wipe + if (needWipe){ + ReaderTransmitBitsPar(wupC1,7,0, NULL); + if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) { + if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error"); + break; + }; + + ReaderTransmit(wipeC, sizeof(wipeC), NULL); + if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) { + if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error"); + break; + }; + + if(mifare_classic_halt(NULL, 0)) { + if (MF_DBGLEVEL > 2) Dbprintf("Halt error"); + }; + }; + + // put default data + if (needFill){ + // select commands + ReaderTransmitBitsPar(wupC1, 7, 0, NULL); + + // gen1b magic tag : do no issue wupC2 and don't expect CARD_ACK response after SELECT_UID (after getting UID from chip in 'hf mf csetuid' command) + if (!gen1b) { + + if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) { + if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error"); + break; + }; + + ReaderTransmit(wupC2, sizeof(wupC2), NULL); + if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) { + if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error"); + break; + }; + } + + // send blocks command + for (int blockNo = 0; blockNo < numBlocks; blockNo++) { + if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != CARD_ACK)) { + if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error"); + break; + }; + + // check type of block and add crc + if (!isBlockTrailer(blockNo)){ + memcpy(d_block, block1, 16); + } else { + memcpy(d_block, blockK, 16); + } + if (blockNo == 0) { + memcpy(d_block, block0, 16); + } + AppendCrc14443a(d_block, 16); + + // send write command + ReaderTransmit(d_block, sizeof(d_block), NULL); + if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != CARD_ACK)) { + if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error"); + break; + }; + } + + // halt + // do no issue halt command for gen1b + if (!gen1b) { + if (mifare_classic_halt(NULL, 0)) { + if (MF_DBGLEVEL > 2) Dbprintf("Halt error"); + break; + } + } + } + break; + } + + // send USB response + LED_B_ON(); + cmd_send(CMD_ACK,isOK,0,0,NULL,0); + LED_B_OFF(); + + // reset fpga + FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + LEDsoff(); + + return; +} + void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){ - + // params uint8_t needWipe = arg0; // bit 0 - need get UID @@ -1023,20 +1360,21 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai // bit 2 - need HALT after sequence // bit 3 - need init FPGA and field before sequence // bit 4 - need reset FPGA and LED + // bit 6 - gen1b backdoor type uint8_t workFlags = arg1; uint8_t blockNo = arg2; - + // card commands - uint8_t wupC1[] = { 0x40 }; - uint8_t wupC2[] = { 0x43 }; - uint8_t wipeC[] = { 0x41 }; - + uint8_t wupC1[] = { 0x40 }; + uint8_t wupC2[] = { 0x43 }; + uint8_t wipeC[] = { 0x41 }; + // variables byte_t isOK = 0; uint8_t uid[10] = {0x00}; uint8_t d_block[18] = {0x00}; uint32_t cuid; - + uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; @@ -1046,86 +1384,99 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai LED_B_OFF(); LED_C_OFF(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); - + clear_trace(); - set_tracing(TRUE); + set_tracing(true); } while (true) { // get UID from chip if (workFlags & 0x01) { - if(!iso14443a_select_card(uid, NULL, &cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); - break; - }; - - if(mifare_classic_halt(NULL, cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); - break; - }; + if(!iso14443a_select_card(uid, NULL, &cuid, true, 0, true)) { + if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); + // Continue, if we set wrong UID or wrong UID checksum or some ATQA or SAK we will can't select card. But we need to write block 0 to make card work. + //break; + }; + + if(mifare_classic_halt(NULL, cuid)) { + if (MF_DBGLEVEL > 2) Dbprintf("Halt error"); + // Continue, some magic tags misbehavies and send an answer to it. + // break; + }; }; - + // reset chip - if (needWipe){ + // Wipe command don't work with gen1b + if (needWipe && !(workFlags & 0x40)){ ReaderTransmitBitsPar(wupC1,7,0, NULL); - if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error"); + if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) { + if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error"); break; }; ReaderTransmit(wipeC, sizeof(wipeC), NULL); - if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error"); + if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) { + if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error"); break; }; - if(mifare_classic_halt(NULL, cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); - break; + if(mifare_classic_halt(NULL, 0)) { + if (MF_DBGLEVEL > 2) Dbprintf("Halt error"); + // Continue, some magic tags misbehavies and send an answer to it. + // break; }; - }; + }; // write block if (workFlags & 0x02) { ReaderTransmitBitsPar(wupC1,7,0, NULL); - if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error"); - break; - }; - ReaderTransmit(wupC2, sizeof(wupC2), NULL); - if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error"); - break; - }; + // gen1b magic tag : do no issue wupC2 and don't expect CARD_ACK response after SELECT_UID (after getting UID from chip in 'hf mf csetuid' command) + if (!(workFlags & 0x40)) { + + if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) { + if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error"); + break; + }; + + ReaderTransmit(wupC2, sizeof(wupC2), NULL); + if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) { + if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error"); + break; + }; + } } - if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error"); + if ((mifare_sendcmd_short(NULL, 0, 0xA0, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != CARD_ACK)) { + if (MF_DBGLEVEL >= 1) Dbprintf("write block send command error"); break; }; - + memcpy(d_block, datain, 16); AppendCrc14443a(d_block, 16); - + ReaderTransmit(d_block, sizeof(d_block), NULL); - if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error"); + if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != CARD_ACK)) { + if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error"); break; - }; - + }; + if (workFlags & 0x04) { - if (mifare_classic_halt(NULL, cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); - break; - }; + // do no issue halt command for gen1b magic tag (#db# halt error. response len: 1) + if (!(workFlags & 0x40)) { + if (mifare_classic_halt(NULL, 0)) { + if (MF_DBGLEVEL > 2) Dbprintf("Halt error"); + // Continue, some magic tags misbehavies and send an answer to it. + // break; + } + } } - + isOK = 1; break; } - + LED_B_ON(); cmd_send(CMD_ACK,isOK,0,0,uid,4); LED_B_OFF(); @@ -1138,28 +1489,29 @@ void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){ - - // params + + // params // bit 1 - need wupC // bit 2 - need HALT after sequence // bit 3 - need init FPGA and field before sequence // bit 4 - need reset FPGA and LED // bit 5 - need to set datain instead of issuing USB reply (called via ARM for StandAloneMode14a) + // bit 6 - gen1b backdoor type uint8_t workFlags = arg0; uint8_t blockNo = arg2; - + // card commands - uint8_t wupC1[] = { 0x40 }; - uint8_t wupC2[] = { 0x43 }; - + uint8_t wupC1[] = { 0x40 }; + uint8_t wupC2[] = { 0x43 }; + // variables byte_t isOK = 0; uint8_t data[18] = {0x00}; uint32_t cuid = 0; - + uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; - + if (workFlags & 0x08) { LED_A_ON(); LED_B_OFF(); @@ -1167,42 +1519,48 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); clear_trace(); - set_tracing(TRUE); + set_tracing(true); } while (true) { if (workFlags & 0x02) { ReaderTransmitBitsPar(wupC1,7,0, NULL); - if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error"); + if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) { + if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error"); break; - }; - + }; + // do no issue for gen1b magic tag + if (!(workFlags & 0x40)) { ReaderTransmit(wupC2, sizeof(wupC2), NULL); - if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error"); + if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != CARD_ACK)) { + if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error"); break; }; } + } // read block if ((mifare_sendcmd_short(NULL, 0, 0x30, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) { - if (MF_DBGLEVEL >= 1) Dbprintf("read block send command error"); + if (MF_DBGLEVEL >= 1) Dbprintf("read block send command error"); break; }; memcpy(data, receivedAnswer, 18); - + if (workFlags & 0x04) { - if (mifare_classic_halt(NULL, cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); - break; - }; + // do no issue halt command for gen1b magic tag (#db# halt error. response len: 1) + if (!(workFlags & 0x40)) { + if (mifare_classic_halt(NULL, cuid)) { + if (MF_DBGLEVEL > 1) Dbprintf("Halt error"); + // Continue, some magic tags misbehavies and send an answer to it. + // break; + } + } } - + isOK = 1; break; } - + LED_B_ON(); if (workFlags & 0x20) { if (isOK) @@ -1219,32 +1577,44 @@ void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai } void MifareCIdent(){ - + // card commands - uint8_t wupC1[] = { 0x40 }; - uint8_t wupC2[] = { 0x43 }; - + uint8_t wupC1[] = { 0x40 }; + uint8_t wupC2[] = { 0x43 }; + // variables - byte_t isOK = 1; - + byte_t isOK = 0; + uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; + LED_A_ON(); + LED_B_OFF(); + LED_C_OFF(); + iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); + + clear_trace(); + set_tracing(true); + ReaderTransmitBitsPar(wupC1,7,0, NULL); - if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - isOK = 0; - }; + if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == CARD_ACK)) { + isOK = 2; - ReaderTransmit(wupC2, sizeof(wupC2), NULL); - if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - isOK = 0; + ReaderTransmit(wupC2, sizeof(wupC2), NULL); + if(ReaderReceive(receivedAnswer, receivedAnswerPar) && (receivedAnswer[0] == CARD_ACK)) { + isOK = 1; + }; }; - if (mifare_classic_halt(NULL, 0)) { - isOK = 0; - }; + // From iceman1001: removed the if, since some magic tags misbehavies and send an answer to it. + mifare_classic_halt(NULL, 0); + LED_B_ON(); cmd_send(CMD_ACK,isOK,0,0,0,0); + LED_B_OFF(); + + FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); + LEDsoff(); } // @@ -1256,11 +1626,11 @@ void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){ byte_t dataout[11] = {0x00}; uint8_t uid[10] = {0x00}; uint32_t cuid; - + iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); clear_trace(); - int len = iso14443a_select_card(uid, NULL, &cuid); + int len = iso14443a_select_card(uid, NULL, &cuid, true, 0, true); if(!len) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card"); OnError(1); @@ -1274,7 +1644,7 @@ void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){ } if (MF_DBGLEVEL >= MF_DBG_EXTENDED) DbpString("AUTH 1 FINISHED"); - cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout)); + cmd_send(CMD_ACK,1,cuid,0,dataout, sizeof(dataout)); } void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){ @@ -1283,13 +1653,13 @@ void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){ uint8_t key[16] = {0x00}; byte_t isOK = 0; byte_t dataout[12] = {0x00}; - + memcpy(key, datain, 16); - + isOK = mifare_desfire_des_auth2(cuid, key, dataout); - + if( isOK) { - if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed"); + if (MF_DBGLEVEL >= MF_DBG_EXTENDED) Dbprintf("Authentication part2: Failed"); OnError(4); return; } @@ -1301,17 +1671,3 @@ void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){ LEDsoff(); } -void OnSuccess(){ - pcb_blocknum = 0; - ReaderTransmit(deselect_cmd, 3 , NULL); - FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - LEDsoff(); -} - -void OnError(uint8_t reason){ - pcb_blocknum = 0; - ReaderTransmit(deselect_cmd, 3 , NULL); - FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - cmd_send(CMD_ACK,0,reason,0,0,0); - LEDsoff(); -}