X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/f665067919fef6bff274d5ede3c30336edef5071..51923aca853eed7b146216712d26de92dd60ac12:/client/cmdlft55xx.c diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index 37f332be..fc587298 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -26,8 +26,10 @@ #include "../common/iso14443crc.h" #include "cmdhf14a.h" -#define CONFIGURATION_BLOCK 0x00 -#define TRACE_BLOCK 0x01 +#define T55x7_CONFIGURATION_BLOCK 0x00 +#define T55x7_PAGE0 0x00 +#define T55x7_PAGE1 0x01 +#define T55x7_PWD 0x00000010 #define REGULAR_READ_MODE_BLOCK 0xFF // Default configuration @@ -124,13 +126,15 @@ int usage_t55xx_dump(){ return 0; } int usage_t55xx_detect(){ - PrintAndLog("Usage: lf t55xx detect [1]"); + PrintAndLog("Usage: lf t55xx detect [1] [p ]"); PrintAndLog("Options:"); - PrintAndLog(" [graph buffer data] - if set, use Graphbuffer otherwise read data from tag."); + PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag."); + PrintAndLog(" p - OPTIONAL password (8 hex characters)"); PrintAndLog(""); PrintAndLog("Examples:"); PrintAndLog(" lf t55xx detect"); PrintAndLog(" lf t55xx detect 1"); + PrintAndLog(" lf t55xx detect p 11223344"); PrintAndLog(""); return 0; } @@ -145,9 +149,32 @@ int usage_t55xx_wakup(){ PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password"); return 0; } +int usage_t55xx_bruteforce(){ + PrintAndLog("This command uses A) bruteforce to scan a number range"); + PrintAndLog(" B) a dictionary attack"); + PrintAndLog("Usage: lf t55xx bruteforce [i <*.dic>]"); + PrintAndLog(" password must be 4 bytes (8 hex symbols)"); + PrintAndLog("Options:"); + PrintAndLog(" h - this help"); + PrintAndLog(" - 4 byte hex value to start pwd search at"); + PrintAndLog(" - 4 byte hex value to end pwd search at"); + PrintAndLog(" i <*.dic> - loads a default keys dictionary file <*.dic>"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx bruteforce aaaaaaaa bbbbbbbb"); + PrintAndLog(" lf t55xx bruteforce i default_pwd.dic"); + PrintAndLog(""); + return 0; +} static int CmdHelp(const char *Cmd); +void printT5xxHeader(uint8_t page){ + PrintAndLog("Reading Page %d:", page); + PrintAndLog("blk | hex data | binary"); + PrintAndLog("----+----------+---------------------------------"); +} + int CmdT55xxSetConfig(const char *Cmd) { uint8_t offset = 0; @@ -256,7 +283,7 @@ int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32 if ( usepwd ) { // try reading the config block and verify that PWD bit is set before doing this! if ( !override ) { - if ( !AquireData(0, CONFIGURATION_BLOCK, false, 0 ) ) return 0; + if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, false, 0 ) ) return 0; if ( !tryDetectModulation() ) { PrintAndLog("Safety Check: Could not detect if PWD bit is set in config block. Exits."); return 0; @@ -324,8 +351,8 @@ int CmdT55xxReadBlock(const char *Cmd) { PrintAndLog("Block must be between 0 and 7"); return 0; } - PrintAndLog("Reading Page %d:", page1); - PrintAndLog("blk | hex data | binary"); + + printT5xxHeader(page1); return T55xxReadBlock(block, page1, usepwd, override, password); } @@ -353,16 +380,20 @@ bool DecodeT55xxBlock(){ ans = FSKrawDemod(cmdStr, FALSE); break; case DEMOD_ASK: - snprintf(cmdStr, sizeof(buf),"%d %d 0", bitRate[config.bitrate], config.inverted ); + snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted ); ans = ASKDemod(cmdStr, FALSE, FALSE, 1); break; case DEMOD_PSK1: - snprintf(cmdStr, sizeof(buf),"%d %d 0", bitRate[config.bitrate], config.inverted ); + // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise) + CmdLtrim("160"); + snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted ); ans = PSKDemod(cmdStr, FALSE); break; case DEMOD_PSK2: //inverted won't affect this case DEMOD_PSK3: //not fully implemented - snprintf(cmdStr, sizeof(buf),"%d 0 1", bitRate[config.bitrate] ); + // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise) + CmdLtrim("160"); + snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] ); ans = PSKDemod(cmdStr, FALSE); psk1TOpsk2(DemodBuffer, DemodBufferLen); break; @@ -372,7 +403,7 @@ bool DecodeT55xxBlock(){ break; case DEMOD_BI: case DEMOD_BIa: - snprintf(cmdStr, sizeof(buf),"0 %d %d 0", bitRate[config.bitrate], config.inverted ); + snprintf(cmdStr, sizeof(buf),"0 %d %d 1", bitRate[config.bitrate], config.inverted ); ans = ASKbiphaseDemod(cmdStr, FALSE); break; default: @@ -382,15 +413,41 @@ bool DecodeT55xxBlock(){ } int CmdT55xxDetect(const char *Cmd){ + bool errors = FALSE; + bool useGB = FALSE; + bool usepwd = FALSE; + uint32_t password = 0; + uint8_t cmdp = 0; - char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') - return usage_t55xx_detect(); + while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { + switch(param_getchar(Cmd, cmdp)) { + case 'h': + case 'H': + return usage_t55xx_detect(); + case 'p': + case 'P': + password = param_get32ex(Cmd, cmdp+1, 0, 16); + usepwd = TRUE; + cmdp += 2; + break; + case '1': + // use Graphbuffer data + useGB = TRUE; + cmdp++; + break; + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = true; + break; + } + } + if (errors) return usage_t55xx_detect(); - if (strlen(Cmd)==0) - if ( !AquireData(0, CONFIGURATION_BLOCK, false, 0) ) + if ( !useGB) { + if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) ) return 0; - + } + if ( !tryDetectModulation() ) PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'"); @@ -403,7 +460,7 @@ bool tryDetectModulation(){ t55xx_conf_block_t tests[15]; int bitRate=0; uint8_t fc1 = 0, fc2 = 0, clk=0; - save_restoreGB(1); + if (GetFskClock("", FALSE, FALSE)){ fskClocks(&fc1, &fc2, &clk, FALSE); if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){ @@ -432,28 +489,28 @@ bool tryDetectModulation(){ } else { clk = GetAskClock("", FALSE, FALSE); if (clk>0) { - if ( ASKDemod("0 0 0", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { + if ( ASKDemod("0 0 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { tests[hits].modulation = DEMOD_ASK; tests[hits].bitrate = bitRate; tests[hits].inverted = FALSE; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); ++hits; } - if ( ASKDemod("0 1 0", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { + if ( ASKDemod("0 1 1", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { tests[hits].modulation = DEMOD_ASK; tests[hits].bitrate = bitRate; tests[hits].inverted = TRUE; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); ++hits; } - if ( ASKbiphaseDemod("0 0 0 0", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) { + if ( ASKbiphaseDemod("0 0 0 2", FALSE) && test(DEMOD_BI, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) { tests[hits].modulation = DEMOD_BI; tests[hits].bitrate = bitRate; tests[hits].inverted = FALSE; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); ++hits; } - if ( ASKbiphaseDemod("0 0 1 0", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) { + if ( ASKbiphaseDemod("0 0 1 2", FALSE) && test(DEMOD_BIa, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5) ) { tests[hits].modulation = DEMOD_BIa; tests[hits].bitrate = bitRate; tests[hits].inverted = TRUE; @@ -462,7 +519,7 @@ bool tryDetectModulation(){ } } //undo trim from ask - save_restoreGB(0); + //save_restoreGB(0); clk = GetNrzClock("", FALSE, FALSE); if (clk>0) { if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { @@ -482,18 +539,20 @@ bool tryDetectModulation(){ } } - //undo trim from nrz - save_restoreGB(0); + // allow undo + // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise) + save_restoreGB(1); + CmdLtrim("160"); clk = GetPskClock("", FALSE, FALSE); if (clk>0) { - if ( PSKDemod("0 0 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { + if ( PSKDemod("0 0 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { tests[hits].modulation = DEMOD_PSK1; tests[hits].bitrate = bitRate; tests[hits].inverted = FALSE; tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); ++hits; } - if ( PSKDemod("0 1 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { + if ( PSKDemod("0 1 6", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { tests[hits].modulation = DEMOD_PSK1; tests[hits].bitrate = bitRate; tests[hits].inverted = TRUE; @@ -501,7 +560,7 @@ bool tryDetectModulation(){ ++hits; } // PSK2 - needs a call to psk1TOpsk2. - if ( PSKDemod("0 0 1", FALSE)) { + if ( PSKDemod("0 0 6", FALSE)) { psk1TOpsk2(DemodBuffer, DemodBufferLen); if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){ tests[hits].modulation = DEMOD_PSK2; @@ -512,7 +571,7 @@ bool tryDetectModulation(){ } } // inverse waves does not affect this demod // PSK3 - needs a call to psk1TOpsk2. - if ( PSKDemod("0 0 1", FALSE)) { + if ( PSKDemod("0 0 6", FALSE)) { psk1TOpsk2(DemodBuffer, DemodBufferLen); if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){ tests[hits].modulation = DEMOD_PSK3; @@ -523,7 +582,9 @@ bool tryDetectModulation(){ } } // inverse waves does not affect this demod } - } + //undo trim samples + save_restoreGB(0); + } if ( hits == 1) { config.modulation = tests[0].modulation; config.bitrate = tests[0].bitrate; @@ -609,31 +670,30 @@ bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){ if ( DemodBufferLen < 64 ) return FALSE; uint8_t si = 0; - for (uint8_t idx = 0; idx < 64; idx++){ + for (uint8_t idx = 28; idx < 64; idx++){ si = idx; - if ( PackBits(si, 32, DemodBuffer) == 0x00 ) continue; + if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue; uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key uint8_t resv = PackBits(si, 8, DemodBuffer); si += 8; // 2nibble must be zeroed. - // moved test to here, since this gets most faults first. if (safer != 0x6) continue; if ( resv > 0x00) continue; //uint8_t pageSel = PackBits(si, 1, DemodBuffer); si += 1; //uint8_t fastWrite = PackBits(si, 1, DemodBuffer); si += 1; si += 1+1; int bitRate = PackBits(si, 5, DemodBuffer)*2 + 2; si += 5; //bit rate - if (bitRate > 128) continue; + if (bitRate > 128 || bitRate < 8) continue; - si += 1+1+2+1; - //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode + //uint8_t AOR = PackBits(si, 1, DemodBuffer); si += 1; //uint8_t PWD = PackBits(si, 1, DemodBuffer); si += 1; //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2; //could check psk cr //uint8_t inverse = PackBits(si, 1, DemodBuffer); si += 1; - uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3; //bit 24, 30, 31 could be tested for 0 if not extended mode - //uint8_t maxBlk = PackBits(si, 2, DemodBuffer); si += 2; + si += 1+1+2+1; + uint8_t modread = PackBits(si, 3, DemodBuffer); si += 3; + uint8_t maxBlk = PackBits(si, 3, DemodBuffer); si += 3; //uint8_t ST = PackBits(si, 1, DemodBuffer); si += 1; - + if (maxBlk == 0) continue; //test modulation if (!testQ5Modulation(mode, modread)) continue; if (bitRate != clk) continue; @@ -646,7 +706,7 @@ bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){ } bool testBitRate(uint8_t readRate, uint8_t clk){ - uint8_t expected[8] = {8, 16, 32, 40, 50, 64, 100, 128}; + uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128}; if (expected[readRate] == clk) return true; @@ -657,9 +717,9 @@ bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5) if ( DemodBufferLen < 64 ) return FALSE; uint8_t si = 0; - for (uint8_t idx = 0; idx < 64; idx++){ + for (uint8_t idx = 28; idx < 64; idx++){ si = idx; - if ( PackBits(si, 32, DemodBuffer) == 0x00 ) continue; + if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue; uint8_t safer = PackBits(si, 4, DemodBuffer); si += 4; //master key uint8_t resv = PackBits(si, 4, DemodBuffer); si += 4; //was 7 & +=7+3 //should be only 4 bits if extended mode @@ -668,7 +728,7 @@ bool test(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk, bool *Q5) if ( resv > 0x00) continue; uint8_t xtRate = PackBits(si, 3, DemodBuffer); si += 3; //extended mode part of rate - int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate + int bitRate = PackBits(si, 3, DemodBuffer); si += 3; //bit rate if (bitRate > 7) continue; uint8_t extend = PackBits(si, 1, DemodBuffer); si += 1; //bit 15 extended mode uint8_t modread = PackBits(si, 5, DemodBuffer); si += 5+2+1; @@ -715,6 +775,7 @@ void printT55xxBlock(const char *blockNum){ bits[i - config.offset]=DemodBuffer[i]; blockData = PackBits(0, 32, bits); + PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32)); } @@ -780,8 +841,8 @@ int CmdT55xxWakeUp(const char *Cmd) { int CmdT55xxWriteBlock(const char *Cmd) { uint8_t block = 0xFF; //default to invalid block - uint32_t data = 0xFFFFFFFF; //default to blank Block - uint32_t password = 0xFFFFFFFF; //default to blank Block 7 + uint32_t data = 0; //default to blank Block + uint32_t password = 0; //default to blank Block 7 bool usepwd = false; bool page1 = false; bool gotdata = false; @@ -830,13 +891,15 @@ int CmdT55xxWriteBlock(const char *Cmd) { UsbCommand resp; c.d.asBytes[0] = (page1) ? 0x2 : 0; - PrintAndLog("Writing to page: %d block: %d data : 0x%08X", page1, block, data); + char pwdStr[16] = {0}; + snprintf(pwdStr, sizeof(pwdStr), "pwd: 0x%08X", password); + + PrintAndLog("Writing page %d block: %02d data: 0x%08X %s", page1, block, data, (usepwd) ? pwdStr : "" ); //Password mode if (usepwd) { c.arg[2] = password; c.d.asBytes[0] |= 0x1; - PrintAndLog("pwd : 0x%08X", password); } clearCommandBuffer(); SendCommand(&c); @@ -855,7 +918,7 @@ int CmdT55xxReadTrace(const char *Cmd) { return usage_t55xx_trace(); if (strlen(Cmd)==0) - if ( !AquireData( TRACE_BLOCK, REGULAR_READ_MODE_BLOCK, pwdmode, password ) ) + if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) ) return 0; if (!DecodeT55xxBlock()) return 0; @@ -944,7 +1007,7 @@ int CmdT55xxInfo(const char *Cmd){ return usage_t55xx_info(); if (strlen(Cmd)==0) - if ( !AquireData( 0, CONFIGURATION_BLOCK, pwdmode, password ) ) + if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) ) return 1; if (!DecodeT55xxBlock()) return 1; @@ -968,7 +1031,7 @@ int CmdT55xxInfo(const char *Cmd){ uint32_t fw = PackBits(si, 1, DemodBuffer); si += 1; uint32_t inv = PackBits(si, 1, DemodBuffer); si += 1; uint32_t por = PackBits(si, 1, DemodBuffer); si += 1; - if (config.Q5) PrintAndLog("*** Warning *** Info read off a Q5 will not work as expected"); + if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected"); PrintAndLog(""); PrintAndLog("-- T55xx Configuration & Tag Information --------------------"); PrintAndLog("-------------------------------------------------------------"); @@ -1008,32 +1071,21 @@ int CmdT55xxDump(const char *Cmd){ override = true; } - PrintAndLog("Reading Page 0:"); - PrintAndLog("blk | hex data | binary"); - for ( uint8_t i = 0; i <8; ++i){ + printT5xxHeader(0); + for ( uint8_t i = 0; i <8; ++i) T55xxReadBlock(i, 0, usepwd, override, password); - /*memset(s,0,sizeof(s)); - if ( hasPwd ) { - if ( override ) { - sprintf(s,"b %d p %02x%02x%02x%02x o", i, pwd[0],pwd[1],pwd[2],pwd[3]); - } else { - sprintf(s,"b %d p %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]); - } - } else { - sprintf(s,"b %d", i); - } - CmdT55xxReadBlock(s);*/ - } - PrintAndLog("Reading Page 1:"); - PrintAndLog("blk | hex data | binary"); - for ( uint8_t i = 0; i<4; i++){ + + printT5xxHeader(1); + for ( uint8_t i = 0; i<4; i++) T55xxReadBlock(i, 1, usepwd, override, password); - } + return 1; } int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){ - + // arg0 bitmodes: + // bit0 = pwdmode + // bit1 = page to read from uint8_t arg0 = (page<<1) | pwdmode; UsbCommand c = {CMD_T55XX_READ_BLOCK, {arg0, block, password}}; @@ -1244,48 +1296,189 @@ int CmdResetRead(const char *Cmd) { int CmdT55xxWipe(const char *Cmd) { char writeData[20] = {0}; char *ptrData = writeData; - uint8_t blk = 0; + PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n"); + //try with the default password to reset block 0 (with a pwd should work even if pwd bit not set) - snprintf(ptrData,sizeof(writeData),"b %d d 00088040 p 0", blk); - if (!CmdT55xxWriteBlock(ptrData)){ - PrintAndLog("Error writing blk %d", blk); - } - blk = 1; - for (; blk<8; blk++) { + snprintf(ptrData,sizeof(writeData),"b 0 d 00088040 p 0"); + + if (!CmdT55xxWriteBlock(ptrData)) + PrintAndLog("Error writing blk 0"); + + for (uint8_t blk = 1; blk<8; blk++) { snprintf(ptrData,sizeof(writeData),"b %d d 0", blk); - if (!CmdT55xxWriteBlock(ptrData)){ + if (!CmdT55xxWriteBlock(ptrData)) PrintAndLog("Error writing blk %d", blk); + + memset(writeData, sizeof(writeData), 0x00); + } + return 0; +} + +int CmdT55xxBruteForce(const char *Cmd) { + + // load a default pwd file. + char buf[9]; + char filename[FILE_PATH_SIZE]={0}; + int keycnt = 0; + uint8_t stKeyBlock = 20; + uint8_t *keyBlock = NULL, *p; + keyBlock = calloc(stKeyBlock, 6); + if (keyBlock == NULL) return 1; + + uint32_t start_password = 0x00000000; //start password + uint32_t end_password = 0xFFFFFFFF; //end password + bool found = false; + + char cmdp = param_getchar(Cmd, 0); + if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce(); + + if (cmdp == 'i' || cmdp == 'I') { + + int len = strlen(Cmd+2); + if (len > FILE_PATH_SIZE) len = FILE_PATH_SIZE; + memcpy(filename, Cmd+2, len); + + FILE * f = fopen( filename , "r"); + + if ( !f ) { + PrintAndLog("File: %s: not found or locked.", filename); + free(keyBlock); + return 1; + } + + while( fgets(buf, sizeof(buf), f) ){ + if (strlen(buf) < 8 || buf[7] == '\n') continue; + + while (fgetc(f) != '\n' && !feof(f)) ; //goto next line + + //The line start with # is comment, skip + if( buf[0]=='#' ) continue; + + if (!isxdigit(buf[0])){ + PrintAndLog("File content error. '%s' must include 8 HEX symbols", buf); + continue; + } + + buf[8] = 0; + + if ( stKeyBlock - keycnt < 2) { + p = realloc(keyBlock, 6*(stKeyBlock+=10)); + if (!p) { + PrintAndLog("Cannot allocate memory for defaultKeys"); + free(keyBlock); + return 2; + } + keyBlock = p; + } + memset(keyBlock + 4 * keycnt, 0, 4); + num_to_bytes(strtoll(buf, NULL, 16), 4, keyBlock + 4*keycnt); + PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4*keycnt, 4)); + keycnt++; + memset(buf, 0, sizeof(buf)); + } + fclose(f); + + if (keycnt == 0) { + PrintAndLog("No keys found in file"); + return 1; + } + PrintAndLog("Loaded %d keys", keycnt); + + // loop + uint64_t testpwd = 0x00; + for (uint16_t c = 0; c < keycnt; ++c ) { + + if (ukbhit()) { + getchar(); + printf("\naborted via keyboard!\n"); + return 0; + } + + testpwd = bytes_to_num(keyBlock + 4*c, 4); + + PrintAndLog("Testing %08X", testpwd); + + if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, testpwd)) { + PrintAndLog("Aquireing data from device failed. Quitting"); + return 0; + } + + found = tryDetectModulation(); + + if ( found ) { + PrintAndLog("Found valid password: [%08X]", testpwd); + return 0; + } } + PrintAndLog("Password NOT found."); + return 0; } + + // Try to read Block 7, first :) + + // incremental pwd range search + start_password = param_get32ex(Cmd, 0, 0, 16); + end_password = param_get32ex(Cmd, 1, 0, 16); + + if ( start_password >= end_password ) return usage_t55xx_bruteforce(); + + PrintAndLog("Search password range [%08X -> %08X]", start_password, end_password); + + uint32_t i = start_password; + + while ((!found) && (i <= end_password)){ + + printf("."); + fflush(stdout); + if (ukbhit()) { + getchar(); + printf("\naborted via keyboard!\n"); + return 0; + } + + if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) { + PrintAndLog("Aquireing data from device failed. Quitting"); + return 0; + } + found = tryDetectModulation(); + + if (found) break; + i++; + } + + PrintAndLog(""); + + if (found) + PrintAndLog("Found valid password: [%08x]", i); + else + PrintAndLog("Password NOT found. Last tried: [%08x]", --i); return 0; } -static command_t CommandTable[] = -{ - {"help", CmdHelp, 1, "This help"}, - {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"}, - {"detect", CmdT55xxDetect, 0, "[1] Try detecting the tag modulation from reading the configuration block."}, - {"read", CmdT55xxReadBlock, 0, "b p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"}, - {"resetread",CmdResetRead, 0, "Send Reset Cmd then lf read the stream to attempt to identify the start of it (needs a demod and/or plot after)"}, - {"write", CmdT55xxWriteBlock,0, "b d p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"}, - {"trace", CmdT55xxReadTrace, 0, "[1] Show T55xx traceability data (page 1/ blk 0-1)"}, - {"info", CmdT55xxInfo, 0, "[1] Show T55xx configuration data (page 0/ blk 0)"}, - {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"}, - {"special", special, 0, "Show block changes with 64 different offsets"}, - {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"}, - {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"}, +static command_t CommandTable[] = { + {"help", CmdHelp, 1, "This help"}, + {"bruteforce",CmdT55xxBruteForce,0, " [i <*.dic>] Simple bruteforce attack to find password"}, + {"config", CmdT55xxSetConfig, 1, "Set/Get T55XX configuration (modulation, inverted, offset, rate)"}, + {"detect", CmdT55xxDetect, 1, "[1] Try detecting the tag modulation from reading the configuration block."}, + {"read", CmdT55xxReadBlock, 0, "b p [password] [o] [1] -- Read T55xx block data. Optional [p password], [override], [page1]"}, + {"resetread", CmdResetRead, 0, "Send Reset Cmd then lf read the stream to attempt to identify the start of it (needs a demod and/or plot after)"}, + {"write", CmdT55xxWriteBlock,0, "b d p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"}, + {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"}, + {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"}, + {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"}, + {"special", special, 0, "Show block changes with 64 different offsets"}, + {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"}, + {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"}, {NULL, NULL, 0, NULL} }; -int CmdLFT55XX(const char *Cmd) -{ +int CmdLFT55XX(const char *Cmd) { CmdsParse(CommandTable, Cmd); return 0; } -int CmdHelp(const char *Cmd) -{ +int CmdHelp(const char *Cmd) { CmdsHelp(CommandTable); return 0; }