X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/94422fa23f2a9fe21d9d13286bde0e4e06a74c4f..bf32dd923f3fbbfaa0932390fb1a771d03d0cf45:/client/cmdlft55xx.c diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index 9a981080..b967936b 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -33,7 +33,7 @@ #define REGULAR_READ_MODE_BLOCK 0xFF // Default configuration -t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00}; +t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00, .Q5 = FALSE }; t55xx_conf_block_t Get_t55xx_Config(){ return config; @@ -43,13 +43,14 @@ void Set_t55xx_Config(t55xx_conf_block_t conf){ } int usage_t55xx_config(){ - PrintAndLog("Usage: lf t55xx config [d ] [i 1] [o ]"); + PrintAndLog("Usage: lf t55xx config [d ] [i 1] [o ] [Q5]"); PrintAndLog("Options:"); PrintAndLog(" h This help"); PrintAndLog(" b <8|16|32|40|50|64|100|128> Set bitrate"); PrintAndLog(" d Set demodulation FSK / ASK / PSK / NRZ / Biphase / Biphase A"); PrintAndLog(" i [1] Invert data signal, defaults to normal"); PrintAndLog(" o [offset] Set offset, where data should start decode in bitstream"); + PrintAndLog(" Q5 Set as Q5(T5555) chip instead of T55x7"); PrintAndLog(""); PrintAndLog("Examples:"); PrintAndLog(" lf t55xx config d FSK - FSK demodulation"); @@ -125,13 +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; } @@ -146,19 +149,42 @@ int usage_t55xx_wakup(){ PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password"); return 0; } +int usage_t55xx_bruteforce(){ + PrintAndLog("Usage: lf t55xx bruteforce [i <*.dic>]"); + PrintAndLog(" password must be 4 bytes (8 hex symbols)"); + PrintAndLog("This command uses A) bruteforce to scan a number range"); + PrintAndLog(" B) a dictionary attack"); + PrintAndLog("Options:"); + PrintAndLog(" h - this help"); + 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; - bool errors = FALSE; - uint8_t cmdp = 0; char modulation[5] = {0x00}; char tmp = 0x00; uint8_t bitRate = 0; uint8_t rates[9] = {8,16,32,40,50,64,100,128,0}; - while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { + uint8_t cmdp = 0; + config.Q5 = FALSE; + bool errors = FALSE; + while(param_getchar(Cmd, cmdp) != 0x00 && !errors) + { tmp = param_getchar(Cmd, cmdp); switch(tmp) { @@ -228,6 +254,11 @@ int CmdT55xxSetConfig(const char *Cmd) { config.offset = offset; cmdp+=2; break; + case 'Q': + case 'q': + config.Q5 = TRUE; + cmdp++; + break; default: PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); errors = TRUE; @@ -270,7 +301,7 @@ int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32 if (!DecodeT55xxBlock()) return 0; char blk[10]={0}; - sprintf(blk,"%d", block); + sprintf(blk,"%02d", block); printT55xxBlock(blk); return 1; } @@ -320,8 +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); } @@ -349,16 +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; @@ -368,7 +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: @@ -379,28 +414,41 @@ bool DecodeT55xxBlock(){ int CmdT55xxDetect(const char *Cmd){ - bool override = false; - //bool pwdmode = false; + bool errors = FALSE; + bool useGB = FALSE; + bool usepwd = FALSE; + uint32_t password = 0; + uint8_t cmdp = 0; - uint32_t password = 0; //default to blank Block 7 - bool usepwd = ( strlen(Cmd) > 0); - if ( usepwd ){ - password = param_get32ex(Cmd, 0, 0, 16); - if (param_getchar(Cmd, 1) =='o' ) - override = true; + 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; + } } - - char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_detect(); + if (errors) return usage_t55xx_detect(); - if (strlen(Cmd)==0) { - password = param_get32ex(Cmd, 0, 0, 16); - if (param_getchar(Cmd, 1) =='o' ) override = true; + if ( !useGB) { + if ( !AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, usepwd, password) ) + return 0; } - - 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\'"); @@ -414,9 +462,10 @@ bool tryDetectModulation(){ 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)){ + if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){ tests[hits].modulation = DEMOD_FSK; if (fc1==8 && fc2 == 5) tests[hits].modulation = DEMOD_FSK1a; @@ -427,7 +476,7 @@ bool tryDetectModulation(){ tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); ++hits; } - if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate)) { + if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { tests[hits].modulation = DEMOD_FSK; if (fc1 == 8 && fc2 == 5) tests[hits].modulation = DEMOD_FSK1; @@ -442,28 +491,28 @@ 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)) { + 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)) { + 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) ) { + 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) ) { + 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; @@ -475,7 +524,7 @@ bool tryDetectModulation(){ save_restoreGB(0); clk = GetNrzClock("", FALSE, FALSE); if (clk>0) { - if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate)) { + if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { tests[hits].modulation = DEMOD_NRZ; tests[hits].bitrate = bitRate; tests[hits].inverted = FALSE; @@ -483,7 +532,7 @@ bool tryDetectModulation(){ ++hits; } - if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate)) { + if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { tests[hits].modulation = DEMOD_NRZ; tests[hits].bitrate = bitRate; tests[hits].inverted = TRUE; @@ -494,16 +543,18 @@ bool tryDetectModulation(){ //undo trim from nrz save_restoreGB(0); + // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise) + CmdLtrim("160"); clk = GetPskClock("", FALSE, FALSE); if (clk>0) { - if ( PSKDemod("0 0 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate)) { + 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)) { + 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; @@ -511,9 +562,9 @@ 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)){ + if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){ tests[hits].modulation = DEMOD_PSK2; tests[hits].bitrate = bitRate; tests[hits].inverted = FALSE; @@ -522,9 +573,9 @@ 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)){ + if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)){ tests[hits].modulation = DEMOD_PSK3; tests[hits].bitrate = bitRate; tests[hits].inverted = FALSE; @@ -534,6 +585,7 @@ bool tryDetectModulation(){ } // inverse waves does not affect this demod } } + save_restoreGB(0); if ( hits == 1) { config.modulation = tests[0].modulation; config.bitrate = tests[0].bitrate; @@ -586,37 +638,28 @@ bool testModulation(uint8_t mode, uint8_t modread){ return FALSE; } -bool testBitRate(uint8_t readRate, uint8_t mod){ - uint8_t expected[8] = {8, 16, 32, 40, 50, 64, 100, 128}; - uint8_t detRate = 0; - switch( mod ){ +bool testQ5Modulation(uint8_t mode, uint8_t modread){ + switch( mode ){ case DEMOD_FSK: - case DEMOD_FSK1: - case DEMOD_FSK1a: - case DEMOD_FSK2: - case DEMOD_FSK2a: - detRate = GetFskClock("",FALSE, FALSE); - if (expected[readRate] == detRate) - return TRUE; + if (modread >= 4 && modread <= 5) return TRUE; break; case DEMOD_ASK: - case DEMOD_BI: - case DEMOD_BIa: - detRate = GetAskClock("",FALSE, FALSE); - if (expected[readRate] == detRate) - return TRUE; + if (modread == 0) return TRUE; break; case DEMOD_PSK1: + if (modread == 1) return TRUE; + break; case DEMOD_PSK2: + if (modread == 2) return TRUE; + break; case DEMOD_PSK3: - detRate = GetPskClock("",FALSE, FALSE); - if (expected[readRate] == detRate) - return TRUE; + if (modread == 3) return TRUE; break; case DEMOD_NRZ: - detRate = GetNrzClock("",FALSE, FALSE); - if (expected[readRate] == detRate) - return TRUE; + if (modread == 7) return TRUE; + break; + case DEMOD_BI: + if (modread == 6) return TRUE; break; default: return FALSE; @@ -624,13 +667,60 @@ bool testBitRate(uint8_t readRate, uint8_t mod){ return FALSE; } -bool test(uint8_t mode, uint8_t *offset, int *fndBitRate){ +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. + 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 || bitRate < 8) continue; + + //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; + 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; + *fndBitRate = bitRate; + *offset = idx; + + return TRUE; + } + return FALSE; +} + +bool testBitRate(uint8_t readRate, uint8_t clk){ + uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128}; + if (expected[readRate] == clk) + return true; + + return false; +} + +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 = 28; idx < 64; idx++){ + si = idx; + 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 @@ -655,9 +745,14 @@ bool test(uint8_t mode, uint8_t *offset, int *fndBitRate){ } //test modulation if (!testModulation(mode, modread)) continue; - if (!testBitRate(bitRate, mode)) continue; + if (!testBitRate(bitRate, clk)) continue; *fndBitRate = bitRate; *offset = idx; + *Q5 = FALSE; + return TRUE; + } + if (testQ5(mode, offset, fndBitRate, clk)) { + *Q5 = TRUE; return TRUE; } return FALSE; @@ -681,7 +776,8 @@ 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)); + + PrintAndLog(" %s | %08X | %s", blockNum, blockData, sprint_bin(bits,32)); } int special(const char *Cmd) { @@ -704,6 +800,7 @@ int special(const char *Cmd) { } int printConfiguration( t55xx_conf_block_t b){ + PrintAndLog("Chip Type : %s", (b.Q5) ? "T5555(Q5)" : "T55x7"); PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) ); PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) ); PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" ); @@ -795,19 +892,21 @@ 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); if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){ PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)"); - return 0; + return 0; } return 1; } @@ -851,11 +950,11 @@ int CmdT55xxReadTrace(const char *Cmd) { else year += 2010; + if (config.Q5) PrintAndLog("*** Warning *** Info read off a Q5 will not work as expected"); if ( acl != 0xE0 ) { PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. "); return 0; } - PrintAndLog(""); PrintAndLog("-- T55xx Trace Information ----------------------------------"); PrintAndLog("-------------------------------------------------------------"); @@ -931,7 +1030,7 @@ 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 *** Config Info read off a Q5 will not display as expected"); PrintAndLog(""); PrintAndLog("-- T55xx Configuration & Tag Information --------------------"); PrintAndLog("-------------------------------------------------------------"); @@ -971,16 +1070,14 @@ 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); - } - 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; } @@ -1165,26 +1262,24 @@ char * GetSelectedModulationStr( uint8_t id){ } void t55x7_create_config_block( int tagtype ){ - //switch? - - -} -/* -uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){ + /* + T55X7_DEFAULT_CONFIG_BLOCK, T55X7_RAW_CONFIG_BLOCK + T55X7_EM_UNIQUE_CONFIG_BLOCK, T55X7_FDXB_CONFIG_BLOCK, + T55X7_FDXB_CONFIG_BLOCK, T55X7_HID_26_CONFIG_BLOCK, T55X7_INDALA_64_CONFIG_BLOCK, T55X7_INDALA_224_CONFIG_BLOCK + T55X7_GUARDPROXII_CONFIG_BLOCK, T55X7_VIKING_CONFIG_BLOCK, T55X7_NORALYS_CONFIG_BLOCK, T55X7_IOPROX_CONFIG_BLOCK + */ + static char buf[60]; + char *retStr = buf; - int i = start; - int j = len-1; - - if (len > 32) return 0; - - uint32_t tmp = 0; - for (; j >= 0; --j, ++i) - tmp |= bits[i] << j; - - return tmp; + switch (tagtype){ + case 0: snprintf(retStr, sizeof(buf),"%08X - T55X7 Default", T55X7_DEFAULT_CONFIG_BLOCK); break; + case 1: snprintf(retStr, sizeof(buf),"%08X - T55X7 Raw", T55X7_RAW_CONFIG_BLOCK); break; + default: + break; + } + PrintAndLog(buf); } -*/ int CmdResetRead(const char *Cmd) { UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}}; @@ -1203,30 +1298,195 @@ int CmdResetRead(const char *Cmd) { return 1; } -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"}, - {NULL, NULL, 0, NULL} +int CmdT55xxWipe(const char *Cmd) { + char writeData[20] = {0}; + char *ptrData = writeData; + + 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 0 d 000880E0 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)) + 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"}, + {"bruteforce", CmdT55xxBruteForce,0, "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."}, + {"dump", CmdT55xxDump, 0, "[password] [o] Dump T55xx card block 0-7. Optional [password], [override]"}, + {"info", CmdT55xxInfo, 1, "[1] Show T55x7 configuration data (page 0/ blk 0)"}, + {"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)"}, + {"special", special, 0, "Show block changes with 64 different offsets"}, + {"trace", CmdT55xxReadTrace, 1, "[1] Show T55x7 traceability data (page 1/ blk 0-1)"}, + {"wakeup", CmdT55xxWakeUp, 0, "Send AOR wakeup command"}, + {"wipe", CmdT55xxWipe, 0, "Wipe a T55xx tag and set defaults (will destroy any data on tag)"}, + {"write", CmdT55xxWriteBlock,0, "b d p [password] [1] -- Write T55xx block data. Optional [p password], [page1]"}, + {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; }