X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/acd7ccdbc9b98f2e10df25e7cf2a6d17824f1b7e..3105b814c94cb2c93ed6692b08d8addc05f53996:/armsrc/mifarecmd.c?ds=sidebyside diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c index e51ae18b..f906099c 100644 --- a/armsrc/mifarecmd.c +++ b/armsrc/mifarecmd.c @@ -4,7 +4,7 @@ // Hagen Fritsch - June 2010 // Midnitesnake - Dec 2013 // Andy Davies - Apr 2014 -// Iceman - May 2014 +// Iceman - May 2014,2015,2016 // // 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 @@ -17,6 +17,8 @@ #include "apps.h" #include "util.h" #include "crc.h" +#include "protocols.h" +#include "parity.h" //----------------------------------------------------------------------------- // Select, Authenticate, Read a MIFARE tag. @@ -32,9 +34,9 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) // variables byte_t isOK = 0; - byte_t dataoutbuf[16]; - uint8_t uid[10]; - uint32_t cuid; + byte_t dataoutbuf[16] = {0x00}; + uint8_t uid[10] = {0x00}; + uint32_t cuid = 0; struct Crypto1State mpcs = {0, 0}; struct Crypto1State *pcs; pcs = &mpcs; @@ -42,13 +44,14 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); clear_trace(); + set_tracing(true); LED_A_ON(); LED_B_OFF(); LED_C_OFF(); while (true) { - if(!iso14443a_select_card(uid, NULL, &cuid)) { + if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) { if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); break; }; @@ -72,7 +75,6 @@ void MifareReadBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) break; } - // ----------------------------- crypto1 destroy crypto1_destroy(pcs); if (MF_DBGLEVEL >= 2) DbpString("READ BLOCK FINISHED"); @@ -94,8 +96,9 @@ void MifareUC_Auth(uint8_t arg0, uint8_t *keybytes){ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); clear_trace(); + set_tracing(true); - if(!iso14443a_select_card(NULL, NULL, NULL)) { + if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card"); OnError(0); return; @@ -129,8 +132,9 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); clear_trace(); + set_tracing(true); - int len = iso14443a_select_card(NULL, NULL, NULL); + int len = iso14443a_select_card(NULL, NULL, NULL, true, 0); if(!len) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%02X)",len); OnError(1); @@ -191,8 +195,8 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) // variables byte_t isOK = 0; byte_t dataoutbuf[16 * 16]; - uint8_t uid[10]; - uint32_t cuid; + uint8_t uid[10] = {0x00}; + uint32_t cuid = 0; struct Crypto1State mpcs = {0, 0}; struct Crypto1State *pcs; pcs = &mpcs; @@ -200,13 +204,14 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); clear_trace(); - + set_tracing(true); + LED_A_ON(); LED_B_OFF(); LED_C_OFF(); isOK = 1; - if(!iso14443a_select_card(uid, NULL, &cuid)) { + if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) { isOK = 0; if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); } @@ -229,18 +234,17 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); } - // ----------------------------- crypto1 destroy - crypto1_destroy(pcs); - if (MF_DBGLEVEL >= 2) DbpString("READ SECTOR FINISHED"); + crypto1_destroy(pcs); + LED_B_ON(); cmd_send(CMD_ACK,isOK,0,0,dataoutbuf,16*NumBlocksPerSector(sectorNo)); LED_B_OFF(); - // Thats it... FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); + set_tracing(FALSE); } // arg0 = blockNo (start) @@ -254,9 +258,10 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain) iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); // free eventually allocated BigBuf memory - BigBuf_free(); + BigBuf_free(); BigBuf_Clear_ext(false); clear_trace(); - + set_tracing(true); + // params uint8_t blockNo = arg0; uint16_t blocks = arg1; @@ -270,7 +275,7 @@ 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); if (!len) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card (RC:%d)",len); OnError(1); @@ -338,6 +343,7 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain) FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); BigBuf_free(); + set_tracing(FALSE); } //----------------------------------------------------------------------------- @@ -350,15 +356,15 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) uint8_t blockNo = arg0; uint8_t keyType = arg1; uint64_t ui64Key = 0; - byte_t blockdata[16]; + byte_t blockdata[16] = {0x00}; ui64Key = bytes_to_num(datain, 6); memcpy(blockdata, datain + 10, 16); // variables byte_t isOK = 0; - uint8_t uid[10]; - uint32_t cuid; + uint8_t uid[10] = {0x00}; + uint32_t cuid = 0; struct Crypto1State mpcs = {0, 0}; struct Crypto1State *pcs; pcs = &mpcs; @@ -366,13 +372,14 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); clear_trace(); - + set_tracing(true); + LED_A_ON(); LED_B_OFF(); LED_C_OFF(); while (true) { - if(!iso14443a_select_card(uid, NULL, &cuid)) { + if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) { if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); break; }; @@ -396,19 +403,15 @@ void MifareWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) break; } - // ----------------------------- crypto1 destroy crypto1_destroy(pcs); if (MF_DBGLEVEL >= 2) DbpString("WRITE BLOCK FINISHED"); - LED_B_ON(); cmd_send(CMD_ACK,isOK,0,0,0,0); - LED_B_OFF(); - - // Thats it... FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); + set_tracing(FALSE); } /* // Command not needed but left for future testing @@ -424,9 +427,10 @@ void MifareUWriteBlockCompat(uint8_t arg0, uint8_t *datain) LED_A_ON(); LED_B_OFF(); LED_C_OFF(); clear_trace(); + set_tracing(true); 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; @@ -471,8 +475,9 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); clear_trace(); - - if(!iso14443a_select_card(NULL, NULL, NULL)) { + set_tracing(true); + + if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) { if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); OnError(0); return; @@ -517,6 +522,7 @@ void MifareUWriteBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain) cmd_send(CMD_ACK,1,0,0,0,0); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); + set_tracing(FALSE); } void MifareUSetPwd(uint8_t arg0, uint8_t *datain){ @@ -530,8 +536,9 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){ iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); clear_trace(); - - if(!iso14443a_select_card(NULL, NULL, NULL)) { + set_tracing(true); + + if(!iso14443a_select_card(NULL, NULL, NULL, true, 0)) { if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); OnError(0); return; @@ -586,13 +593,145 @@ void MifareUSetPwd(uint8_t arg0, uint8_t *datain){ cmd_send(CMD_ACK,1,0,0,0,0); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); + set_tracing(FALSE); } // Return 1 if the nonce is invalid else return 0 int valid_nonce(uint32_t Nt, uint32_t NtEnc, uint32_t Ks1, uint8_t *parity) { - return ((oddparity((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \ - (oddparity((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \ - (oddparity((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0; + return ((oddparity8((Nt >> 24) & 0xFF) == ((parity[0]) ^ oddparity8((NtEnc >> 24) & 0xFF) ^ BIT(Ks1,16))) & \ + (oddparity8((Nt >> 16) & 0xFF) == ((parity[1]) ^ oddparity8((NtEnc >> 16) & 0xFF) ^ BIT(Ks1,8))) & \ + (oddparity8((Nt >> 8) & 0xFF) == ((parity[2]) ^ oddparity8((NtEnc >> 8) & 0xFF) ^ BIT(Ks1,0)))) ? 1 : 0; +} + + +//----------------------------------------------------------------------------- +// 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 +//----------------------------------------------------------------------------- +#define AUTHENTICATION_TIMEOUT 848 //848 // card times out 1ms after wrong authentication (according to NXP documentation) +#define PRE_AUTHENTICATION_LEADTIME 400 // some (non standard) cards need a pause after select before they are ready for first authentication + +void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *datain) +{ + uint64_t ui64Key = 0; + uint8_t uid[10] = {0x00}; + uint32_t cuid = 0; + uint8_t cascade_levels = 0; + struct Crypto1State mpcs = {0, 0}; + struct Crypto1State *pcs; + pcs = &mpcs; + uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00}; + int16_t isOK = 0; + uint8_t par_enc[1] = {0x00}; + uint8_t nt_par_enc = 0; + uint8_t buf[USB_CMD_DATA_SIZE] = {0x00}; + uint32_t timeout = 0; + + 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(); + + BigBuf_free(); BigBuf_Clear_ext(false); + clear_trace(); + set_tracing(FALSE); + + if (initialize) { + iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); + } + + LED_C_ON(); + + uint8_t dummy_answer = 0; + 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)) { + 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)) { + if (MF_DBGLEVEL >= 1) Dbprintf("AcquireNonces: Can't select card (UID)"); + continue; + } + } + + if (slow) { + timeout = GetCountSspClk() + 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 a dummy byte as reader response in order to trigger the cards authentication timeout + ReaderTransmit(&dummy_answer, 1, NULL); + timeout = GetCountSspClk() + 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(); + set_tracing(FALSE); + } } @@ -613,30 +752,30 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat // variables uint16_t rtr, i, j, len; - uint16_t davg; + uint16_t davg = 0; static uint16_t dmin, dmax; - uint8_t uid[10]; - uint32_t cuid, nt1, nt2, nttmp, nttest, ks1; - uint8_t par[1]; - uint32_t target_nt[2], target_ks[2]; + uint8_t uid[10] = {0x00}; + uint32_t cuid = 0, nt1, nt2, nttmp, nttest, ks1; + uint8_t par[1] = {0x00}; + uint32_t target_nt[2] = {0x00}, target_ks[2] = {0x00}; - uint8_t par_array[4]; + uint8_t par_array[4] = {0x00}; uint16_t ncount = 0; struct Crypto1State mpcs = {0, 0}; struct Crypto1State *pcs; pcs = &mpcs; - uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; + uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00}; uint32_t auth1_time, auth2_time; - static uint16_t delta_time; + static uint16_t delta_time = 0; LED_A_ON(); LED_C_OFF(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); // free eventually allocated BigBuf memory - BigBuf_free(); - + BigBuf_free(); BigBuf_Clear_ext(false); + if (calibrate) clear_trace(); set_tracing(true); @@ -667,7 +806,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat continue; } - if(!iso14443a_select_card(uid, NULL, &cuid)) { + if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) { if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card"); rtr--; continue; @@ -679,12 +818,8 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat rtr--; continue; }; + auth2_time = (delta_time) ? auth1_time + delta_time : 0; - if (delta_time) { - auth2_time = auth1_time + delta_time; - } else { - 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"); rtr--; @@ -740,7 +875,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat continue; } - if(!iso14443a_select_card(uid, NULL, &cuid)) { + if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) { if (MF_DBGLEVEL >= 1) Dbprintf("Nested: Can't select card"); continue; }; @@ -753,6 +888,7 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat // nested authentication 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); @@ -763,9 +899,13 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat 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] = (oddparity(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01)); - } +// for (j = 0; j < 4; j++) { +// par_array[j] = (oddparity8(receivedAnswer[j]) != ((par[0] >> (7-j)) & 0x01)); +// } + par_array[0] = (oddparity8(receivedAnswer[0]) != ((par[0] >> (7-0)) & 0x01)); + par_array[1] = (oddparity8(receivedAnswer[1]) != ((par[0] >> (7-1)) & 0x01)); + par_array[2] = (oddparity8(receivedAnswer[2]) != ((par[0] >> (7-2)) & 0x01)); + par_array[3] = (oddparity8(receivedAnswer[3]) != ((par[0] >> (7-3)) & 0x01)); ncount = 0; nttest = prng_successor(nt1, dmin - 1); @@ -796,10 +936,9 @@ 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]; + byte_t buf[4 + 4 * 4] = {0}; memcpy(buf, &cuid, 4); memcpy(buf+4, &target_nt[0], 4); memcpy(buf+8, &target_ks[0], 4); @@ -821,68 +960,91 @@ void MifareNested(uint32_t arg0, uint32_t arg1, uint32_t calibrate, uint8_t *dat // MIFARE check keys. key count up to 85. // //----------------------------------------------------------------------------- -void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) -{ - // params +void MifareChkKeys(uint16_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain) { uint8_t blockNo = arg0 & 0xff; uint8_t keyType = (arg0 >> 8) & 0xff; bool clearTrace = arg1; uint8_t keyCount = arg2; uint64_t ui64Key = 0; - // variables + bool have_uid = FALSE; + uint8_t cascade_levels = 0; + uint32_t timeout = 0; + int i; byte_t isOK = 0; - uint8_t uid[10]; - uint32_t cuid; + uint8_t uid[10] = {0x00}; + uint32_t cuid = 0; struct Crypto1State mpcs = {0, 0}; struct Crypto1State *pcs; pcs = &mpcs; - // clear debug level + // save old debuglevel, and tempory turn off dbg printing. speedissues. int OLD_MF_DBGLEVEL = MF_DBGLEVEL; MF_DBGLEVEL = MF_DBG_NONE; + LEDsoff(); LED_A_ON(); - LED_B_OFF(); - LED_C_OFF(); + iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); - if (clearTrace) clear_trace(); + if (clearTrace) + clear_trace(); + set_tracing(TRUE); + + for (i = 0; i < keyCount; ++i) { - for (i = 0; i < keyCount; i++) { - if(mifare_classic_halt(pcs, cuid)) { - if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Halt error"); - } - - if(!iso14443a_select_card(uid, NULL, &cuid)) { - if (OLD_MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card"); - break; - }; + //mifare_classic_halt(pcs, cuid); + // this part is from Piwi's faster nonce collecting part in Hardnested. + 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)) { + if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card (ALL)"); + break; + } + 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)) { + if (MF_DBGLEVEL >= 1) Dbprintf("ChkKeys: Can't select card (UID)"); + continue; + } + } + ui64Key = bytes_to_num(datain + i * 6, 6); - if(mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) { - continue; - }; + if (mifare_classic_auth(pcs, cuid, blockNo, keyType, ui64Key, AUTH_FIRST)) { + + uint8_t dummy_answer = 0; + ReaderTransmit(&dummy_answer, 1, NULL); + timeout = GetCountSspClk() + AUTHENTICATION_TIMEOUT; + + // wait for the card to become ready again + while(GetCountSspClk() < timeout); + + continue; + } isOK = 1; break; } - // ----------------------------- crypto1 destroy - crypto1_destroy(pcs); - LED_B_ON(); - cmd_send(CMD_ACK,isOK,0,0,datain + i * 6,6); - LED_B_OFF(); + cmd_send(CMD_ACK, isOK, 0, 0, datain + i * 6, 6); + // restore debug level + MF_DBGLEVEL = OLD_MF_DBGLEVEL; + FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); set_tracing(FALSE); - - // restore debug level - MF_DBGLEVEL = OLD_MF_DBGLEVEL; + crypto1_destroy(pcs); } //----------------------------------------------------------------------------- @@ -909,13 +1071,13 @@ void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain) void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){ FpgaDownloadAndGo(FPGA_BITSTREAM_HF); - //emlSetMem(datain, arg0, arg1); // data, block num, blocks count + if (arg2==0) arg2 = 16; // backwards compat... default bytewidth emlSetMem_xt(datain, arg0, arg1, arg2); // data, block num, blocks count, block byte width } void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){ FpgaDownloadAndGo(FPGA_BITSTREAM_HF); - byte_t buf[USB_CMD_DATA_SIZE]; + byte_t buf[USB_CMD_DATA_SIZE] = {0x00}; emlGetMem(buf, arg0, arg1); // data, block num, blocks count (max 4) LED_B_ON(); @@ -931,15 +1093,15 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai uint8_t numSectors = arg0; uint8_t keyType = arg1; uint64_t ui64Key = 0; - uint32_t cuid; + uint32_t cuid = 0; struct Crypto1State mpcs = {0, 0}; struct Crypto1State *pcs; pcs = &mpcs; // variables - byte_t dataoutbuf[16]; - byte_t dataoutbuf2[16]; - uint8_t uid[10]; + byte_t dataoutbuf[16] = {0x00}; + byte_t dataoutbuf2[16] = {0x00}; + uint8_t uid[10] = {0x00}; LED_A_ON(); LED_B_OFF(); @@ -951,7 +1113,7 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai bool isOK = true; - if(!iso14443a_select_card(uid, NULL, &cuid)) { + if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) { isOK = false; if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); } @@ -977,7 +1139,7 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai isOK = false; 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); @@ -991,9 +1153,9 @@ 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(mifare_classic_halt(pcs, cuid)) + if (MF_DBGLEVEL >= 1) + Dbprintf("Halt error"); // ----------------------------- crypto1 destroy crypto1_destroy(pcs); @@ -1010,323 +1172,241 @@ void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datai //----------------------------------------------------------------------------- // Work with "magic Chinese" card (email him: ouyangweidaxian@live.cn) // +// PARAMS - workFlags +// bit 0 - need get UID +// bit 1 - need wupC +// bit 2 - need HALT after sequence +// bit 3 - need turn on FPGA before sequence +// bit 4 - need turn off FPGA +// bit 5 - need to set datain instead of issuing USB reply (called via ARM for StandAloneMode14a) +// bit 6 - wipe tag. //----------------------------------------------------------------------------- -void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){ - - // params - uint8_t needWipe = arg0; - // bit 0 - need get UID - // 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 - uint8_t workFlags = arg1; - uint8_t blockNo = arg2; +// magic uid card generation 1 commands +uint8_t wupC1[] = { MIFARE_MAGICWUPC1 }; +uint8_t wupC2[] = { MIFARE_MAGICWUPC2 }; +uint8_t wipeC[] = { MIFARE_MAGICWIPEC }; - // card commands - uint8_t wupC1[] = { 0x40 }; - uint8_t wupC2[] = { 0x43 }; - uint8_t wipeC[] = { 0x41 }; +void MifareCSetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){ + + // params + uint8_t workFlags = arg0; + uint8_t blockNo = arg1; // variables - byte_t isOK = 0; + bool isOK = false; //assume we will get an error + uint8_t errormsg = 0x00; uint8_t uid[10] = {0x00}; - uint8_t d_block[18] = {0x00}; - uint32_t cuid; + uint8_t data[18] = {0x00}; + uint32_t cuid = 0; - uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; - uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; + uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00}; + uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00}; - // reset FPGA and LED - if (workFlags & 0x08) { + if (workFlags & MAGIC_INIT) { LED_A_ON(); LED_B_OFF(); - LED_C_OFF(); iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); - clear_trace(); set_tracing(TRUE); } + //loop doesn't loop just breaks out if error 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; - }; - }; + // read UID and return to client with write + if (workFlags & MAGIC_UID) { + if(!iso14443a_select_card(uid, NULL, &cuid, true, 0)) { + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card"); + errormsg = MAGIC_UID; + } + mifare_classic_halt_ex(NULL); + break; + } - // reset chip - if (needWipe){ - ReaderTransmitBitsPar(wupC1,7,0, NULL); + // wipe tag, fill it with zeros + if (workFlags & MAGIC_WIPE){ + ReaderTransmitBitsPar(wupC1, 7, NULL, NULL); if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error"); + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error"); + errormsg = MAGIC_WIPE; break; - }; + } ReaderTransmit(wipeC, sizeof(wipeC), NULL); if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("wipeC error"); + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wipeC error"); + errormsg = MAGIC_WIPE; break; - }; + } - if(mifare_classic_halt(NULL, cuid)) { - if (MF_DBGLEVEL >= 4) Dbprintf("INFO - Tag answered the 'Halt' command"); - break; - }; - }; + mifare_classic_halt_ex(NULL); + } // write block - if (workFlags & 0x02) { - ReaderTransmitBitsPar(wupC1,7,0, NULL); + if (workFlags & MAGIC_WUPC) { + ReaderTransmitBitsPar(wupC1, 7, NULL, NULL); if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error"); + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error"); + errormsg = MAGIC_WUPC; break; - }; + } ReaderTransmit(wupC2, sizeof(wupC2), NULL); if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error"); + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC2 error"); + errormsg = MAGIC_WUPC; 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, ISO14443A_CMD_WRITEBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 1) || (receivedAnswer[0] != 0x0a)) { + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("write block send command error"); + errormsg = 4; break; - }; + } - memcpy(d_block, datain, 16); - AppendCrc14443a(d_block, 16); + memcpy(data, datain, 16); + AppendCrc14443a(data, 16); - ReaderTransmit(d_block, sizeof(d_block), NULL); + ReaderTransmit(data, sizeof(data), NULL); if ((ReaderReceive(receivedAnswer, receivedAnswerPar) != 1) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("write block send data error"); + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("write block send data error"); + errormsg = 0; break; - }; + } - if (workFlags & 0x04) { - if (mifare_classic_halt(NULL, cuid)) { - if (MF_DBGLEVEL >= 4) Dbprintf("INFO - Tag answered the 'Halt' command"); - break; - }; - } + if (workFlags & MAGIC_OFF) + mifare_classic_halt_ex(NULL); - isOK = 1; + isOK = true; break; - } - - LED_B_ON(); - cmd_send(CMD_ACK,isOK,0,0,uid,4); - LED_B_OFF(); - if ((workFlags & 0x10) || (!isOK)) { - FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - LEDsoff(); - set_tracing(FALSE); - } -} + } // end while + if (isOK ) + cmd_send(CMD_ACK,1,0,0,uid,sizeof(uid)); + else + OnErrorMagic(errormsg); -void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain){ - - // 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) + if (workFlags & MAGIC_OFF) + OnSuccessMagic(); +} + +void MifareCGetBlock(uint32_t arg0, uint32_t arg1, uint8_t *datain){ + uint8_t workFlags = arg0; - uint8_t blockNo = arg2; - - // card commands - uint8_t wupC1[] = { 0x40 }; - uint8_t wupC2[] = { 0x43 }; + uint8_t blockNo = arg1; + uint8_t errormsg = 0x00; + bool isOK = false; //assume we will get an error // variables - byte_t isOK = 0; - uint8_t data[18] = {0x00}; - uint32_t cuid = 0; + uint8_t data[MAX_MIFARE_FRAME_SIZE]; + uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE] = {0x00}; + uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE] = {0x00}; - uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; - uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; + memset(data, 0x00, sizeof(data)); - if (workFlags & 0x08) { + if (workFlags & MAGIC_INIT) { LED_A_ON(); LED_B_OFF(); - LED_C_OFF(); - iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); - + iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); clear_trace(); set_tracing(TRUE); } + //loop doesn't loop just breaks out if error or done while (true) { - if (workFlags & 0x02) { - ReaderTransmitBitsPar(wupC1,7,0, NULL); + if (workFlags & MAGIC_WUPC) { + ReaderTransmitBitsPar(wupC1, 7, NULL, NULL); if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("wupC1 error"); + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC1 error"); + errormsg = MAGIC_WUPC; break; - }; + } ReaderTransmit(wupC2, sizeof(wupC2), NULL); if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - if (MF_DBGLEVEL >= 1) Dbprintf("wupC2 error"); + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("wupC2 error"); + errormsg = MAGIC_WUPC; 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"); + // read block + if ((mifare_sendcmd_short(NULL, 0, ISO14443A_CMD_READBLOCK, blockNo, receivedAnswer, receivedAnswerPar, NULL) != 18)) { + if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("read block send command error"); + errormsg = 0; break; - }; - memcpy(data, receivedAnswer, 18); - - if (workFlags & 0x04) { - if (mifare_classic_halt(NULL, cuid)) { - if (MF_DBGLEVEL >= 4) Dbprintf("INFO - Tag answered the 'Halt' command"); - break; - }; } - isOK = 1; + memcpy(data, receivedAnswer, sizeof(data)); + + // send HALT + if (workFlags & MAGIC_HALT) + mifare_classic_halt_ex(NULL); + + isOK = true; break; } - - LED_B_ON(); - if (workFlags & 0x20) { + // if MAGIC_DATAIN, the data stays on device side. + if (workFlags & MAGIC_DATAIN) { if (isOK) - memcpy(datain, data, 18); - } - else - cmd_send(CMD_ACK,isOK,0,0,data,18); - LED_B_OFF(); - - if ((workFlags & 0x10) || (!isOK)) { - FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); - LEDsoff(); - set_tracing(FALSE); + memcpy(datain, data, sizeof(data)); + } else { + if (isOK) + cmd_send(CMD_ACK,1,0,0,data,sizeof(data)); + else + OnErrorMagic(errormsg); } + + if (workFlags & MAGIC_OFF) + OnSuccessMagic(); } void MifareCIdent(){ - - // card commands - uint8_t wupC1[] = { 0x40 }; - uint8_t wupC2[] = { 0x43 }; // variables - byte_t isOK = 1; - - uint8_t receivedAnswer[MAX_MIFARE_FRAME_SIZE]; - uint8_t receivedAnswerPar[MAX_MIFARE_PARITY_SIZE]; + bool isOK = true; + uint8_t receivedAnswer[1] = {0x00}; + uint8_t receivedAnswerPar[1] = {0x00}; - ReaderTransmitBitsPar(wupC1,7,0, NULL); + ReaderTransmitBitsPar(wupC1, 7, NULL, NULL); if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - isOK = 0; - }; + isOK = false; + } ReaderTransmit(wupC2, sizeof(wupC2), NULL); if(!ReaderReceive(receivedAnswer, receivedAnswerPar) || (receivedAnswer[0] != 0x0a)) { - isOK = 0; - }; + isOK = false; + } // removed the if, since some magic tags misbehavies and send an answer to it. mifare_classic_halt(NULL, 0); - cmd_send(CMD_ACK,isOK,0,0,0,0); } -void MifareCollectNonces(uint32_t arg0, uint32_t arg1){ - - BigBuf_free(); - - uint32_t iterations = arg0; - uint8_t uid[10] = {0x00}; - - uint8_t *response = BigBuf_malloc(MAX_MIFARE_FRAME_SIZE); - uint8_t *responsePar = BigBuf_malloc(MAX_MIFARE_PARITY_SIZE); - - uint8_t mf_auth[] = { 0x60,0x00,0xf5,0x7b }; - - // get memory from BigBuf. - uint8_t *nonces = BigBuf_malloc(iterations * 4); - - LED_A_ON(); - LED_B_OFF(); - LED_C_OFF(); - - iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); - clear_trace(); - set_tracing(TRUE); - - for (int i = 0; i < iterations; i++) { - - WDT_HIT(); - - // Test if the action was cancelled - if(BUTTON_PRESS()) break; - - // if(mifare_classic_halt(pcs, cuid)) { - // if (MF_DBGLEVEL >= 1) Dbprintf("Halt error"); - //} - - if(!iso14443a_select_card(uid, NULL, NULL)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Can't select card"); - continue; - }; - - // Transmit MIFARE_CLASSIC_AUTH. - ReaderTransmit(mf_auth, sizeof(mf_auth), NULL); - - // Receive the (4 Byte) "random" nonce - if (!ReaderReceive(response, responsePar)) { - if (MF_DBGLEVEL >= 1) Dbprintf("Couldn't receive tag nonce"); - continue; - } - - nonces[i*4] = bytes_to_num(response, 4); - } - - int packLen = iterations * 4; - int packSize = 0; - int packNum = 0; - while (packLen > 0) { - packSize = MIN(USB_CMD_DATA_SIZE, packLen); - LED_B_ON(); - cmd_send(CMD_ACK, 77, 0, packSize, nonces - packLen, packSize); - LED_B_OFF(); - - packLen -= packSize; - packNum++; - } +void OnSuccessMagic(){ FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); - set_tracing(FALSE); + set_tracing(FALSE); +} +void OnErrorMagic(uint8_t reason){ + // ACK, ISOK, reason,0,0,0 + cmd_send(CMD_ACK,0,reason,0,0,0); + OnSuccessMagic(); } - // // DESFIRE // - void Mifare_DES_Auth1(uint8_t arg0, uint8_t *datain){ - - byte_t dataout[11] = {0x00}; + byte_t dataout[12] = {0x00}; uint8_t uid[10] = {0x00}; - uint32_t cuid = 0x00; + uint32_t cuid = 0; iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN); clear_trace(); + set_tracing(true); - int len = iso14443a_select_card(uid, NULL, &cuid); + int len = iso14443a_select_card(uid, NULL, &cuid, true, 0); if(!len) { if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Can't select card"); OnError(1); @@ -1340,11 +1420,10 @@ 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){ - uint32_t cuid = arg0; uint8_t key[16] = {0x00}; byte_t dataout[12] = {0x00}; @@ -1365,4 +1444,5 @@ void Mifare_DES_Auth2(uint32_t arg0, uint8_t *datain){ cmd_send(CMD_ACK, isOK, 0, 0, dataout, sizeof(dataout)); FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF); LEDsoff(); + set_tracing(FALSE); } \ No newline at end of file