X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/f38a152863a5eb289acb169c5a38b4b77e87956e..0df669a29847cb0db5fc45389b52ee64ce7f15d7:/client/cmdlft55xx.c?ds=sidebyside diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index 5a464ddb..cf19c0ec 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -10,6 +10,7 @@ #include #include #include +#include #include "proxmark3.h" #include "ui.h" #include "graph.h" @@ -20,205 +21,1060 @@ #include "cmdlft55xx.h" #include "util.h" #include "data.h" +#include "lfdemod.h" +#include "../common/crc.h" +#include "../common/iso14443crc.h" +#include "cmdhf14a.h" + +#define CONFIGURATION_BLOCK 0x00 +#define TRACE_BLOCK 0x01 + +// Default configuration +t55xx_conf_block_t config = { .modulation = DEMOD_ASK, .inverted = FALSE, .offset = 0x00, .block0 = 0x00}; + +int usage_t55xx_config(){ + PrintAndLog("Usage: lf t55xx config [d ] [i 1] [o ]"); + 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 / NZ / 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(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx config d FSK - FSK demodulation"); + PrintAndLog(" lf t55xx config d FSK i 1 - FSK demodulation, inverse data"); + PrintAndLog(" lf t55xx config d FSK i 1 o 3 - FSK demodulation, inverse data, offset=3,start from position 3 to decode data"); + PrintAndLog(""); + return 0; +} +int usage_t55xx_read(){ + PrintAndLog("Usage: lf t55xx read "); + PrintAndLog(" , block number to read. Between 0-7"); + PrintAndLog(" , OPTIONAL password (8 hex characters)"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx read 0 - read data from block 0"); + PrintAndLog(" lf t55xx read 0 feedbeef - read data from block 0 password feedbeef"); + PrintAndLog(""); + return 0; +} +int usage_t55xx_write(){ + PrintAndLog("Usage: lf t55xx wr [password]"); + PrintAndLog(" , block number to write. Between 0-7"); + PrintAndLog(" , 4 bytes of data to write (8 hex characters)"); + PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex characters)"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx wr 3 11223344 - write 11223344 to block 3"); + PrintAndLog(" lf t55xx wr 3 11223344 feedbeef - write 11223344 to block 3 password feedbeef"); + PrintAndLog(""); + return 0; +} +int usage_t55xx_trace() { + PrintAndLog("Usage: lf t55xx trace [1]"); + PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag."); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx trace"); + PrintAndLog(" lf t55xx trace 1"); + PrintAndLog(""); + return 0; +} +int usage_t55xx_info() { + PrintAndLog("Usage: lf t55xx info [1]"); + PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag."); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx info"); + PrintAndLog(" lf t55xx info 1"); + PrintAndLog(""); + return 0; +} +int usage_t55xx_dump(){ + PrintAndLog("Usage: lf t55xx dump "); + PrintAndLog(" , OPTIONAL password 4bytes (8 hex symbols)"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx dump"); + PrintAndLog(" lf t55xx dump feedbeef"); + PrintAndLog(""); + return 0; +} +int usage_t55xx_detect(){ + PrintAndLog("Usage: lf t55xx detect"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx detect"); + PrintAndLog(" lf t55xx detect 1"); + PrintAndLog(""); + return 0; +} -#define LF_TRACE_BUFF_SIZE 16000 static int CmdHelp(const char *Cmd); +int CmdT55xxSetConfig(const char *Cmd) { -int CmdReadBlk(const char *Cmd) -{ - //default to invalid block - int Block = -1; - UsbCommand c; + 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) + { + tmp = param_getchar(Cmd, cmdp); + switch(tmp) + { + case 'h': + case 'H': + return usage_t55xx_config(); + case 'b': + errors |= param_getdec(Cmd, cmdp+1, &bitRate); + if ( !errors){ + uint8_t i = 0; + for (; i < 9; i++){ + if (rates[i]==bitRate) { + config.bitrate = i; + break; + } + } + if (i==9) errors = TRUE; + } + cmdp+=2; + break; + case 'd': + param_getstr(Cmd, cmdp+1, modulation); + cmdp += 2; + + if ( strcmp(modulation, "FSK" ) == 0) { + config.modulation = DEMOD_FSK; + } else if ( strcmp(modulation, "FSK1" ) == 0) { + config.modulation = DEMOD_FSK1; + config.inverted=1; + } else if ( strcmp(modulation, "FSK1a" ) == 0) { + config.modulation = DEMOD_FSK1a; + config.inverted=0; + } else if ( strcmp(modulation, "FSK2" ) == 0) { + config.modulation = DEMOD_FSK2; + config.inverted=0; + } else if ( strcmp(modulation, "FSK2a" ) == 0) { + config.modulation = DEMOD_FSK2a; + config.inverted=1; + } else if ( strcmp(modulation, "ASK" ) == 0) { + config.modulation = DEMOD_ASK; + } else if ( strcmp(modulation, "NRZ" ) == 0) { + config.modulation = DEMOD_NRZ; + } else if ( strcmp(modulation, "PSK1" ) == 0) { + config.modulation = DEMOD_PSK1; + } else if ( strcmp(modulation, "PSK2" ) == 0) { + config.modulation = DEMOD_PSK2; + } else if ( strcmp(modulation, "PSK3" ) == 0) { + config.modulation = DEMOD_PSK3; + } else if ( strcmp(modulation, "BIa" ) == 0) { + config.modulation = DEMOD_BIa; + config.inverted=1; + } else if ( strcmp(modulation, "BI" ) == 0) { + config.modulation = DEMOD_BI; + config.inverted=0; + } else { + PrintAndLog("Unknown modulation '%s'", modulation); + errors = TRUE; + } + break; + case 'i': + config.inverted = param_getchar(Cmd,cmdp+1) == '1'; + cmdp+=2; + break; + case 'o': + errors |= param_getdec(Cmd, cmdp+1, &offset); + if ( !errors ) + config.offset = offset; + cmdp+=2; + break; + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = TRUE; + break; + } + } - sscanf(Cmd, "%d", &Block); + // No args + if (cmdp == 0) { + printConfiguration( config ); + return 0; + } + //Validations + if (errors) + return usage_t55xx_config(); + + config.block0 = 0; + printConfiguration ( config ); + return 0; +} - if ((Block > 7) | (Block < 0)) { - PrintAndLog("Block must be between 0 and 7"); - return 1; - } +int CmdT55xxReadBlock(const char *Cmd) { + int block = -1; + int password = 0xFFFFFFFF; //default to blank Block 7 - PrintAndLog(" Reading page 0 block : %d", Block); + char cmdp = param_getchar(Cmd, 0); + if (cmdp == 'h' || cmdp == 'H') + return usage_t55xx_read(); + + int res = sscanf(Cmd, "%d %x", &block, &password); + + if ( res < 1 || res > 2 ) + return usage_t55xx_read(); - // this command fills up BigBuff - // - c.cmd = CMD_T55XX_READ_BLOCK; - c.d.asBytes[0] = 0x00; - c.arg[0] = 0; - c.arg[1] = Block; - c.arg[2] = 0; - SendCommand(&c); - WaitForResponse(CMD_ACK, NULL); - - uint8_t data[LF_TRACE_BUFF_SIZE]; - memset(data, 0x00, LF_TRACE_BUFF_SIZE); - GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset.. - WaitForResponseTimeout(CMD_ACK,NULL, 1500); + if ((block < 0) | (block > 7)) { + PrintAndLog("Block must be between 0 and 7"); + return 1; + } + + UsbCommand c = {CMD_T55XX_READ_BLOCK, {0, block, 0}}; + c.d.asBytes[0] = 0x0; + + //Password mode + if ( res == 2 ) { + c.arg[2] = password; + c.d.asBytes[0] = 0x1; + } - for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { - GraphBuffer[j] = ((int)data[j]) - 128; + SendCommand(&c); + if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) { + PrintAndLog("command execution time out"); + return 2; } - GraphTraceLen = LF_TRACE_BUFF_SIZE; - - // BiDirectional - CmdDirectionalThreshold("70 -60"); - // Askdemod - Cmdaskdemod("1"); + uint8_t got[12000]; + GetFromBigBuf(got,sizeof(got),0); + WaitForResponse(CMD_ACK,NULL); + setGraphBuf(got, 12000); + DemodBufferLen=0; + if (!DecodeT55xxBlock()) return 3; + char blk[10]={0}; + sprintf(blk,"%d", block); + printT55xxBlock(blk); + return 0; +} + +bool DecodeT55xxBlock(){ - uint8_t bits[1000]; - uint8_t * bitstream = bits; - uint8_t len = 0; - len = manchester_decode(data, LF_TRACE_BUFF_SIZE, bitstream); - if ( len > 0 ) - PrintPaddedManchester(bitstream, len, 32); + char buf[30] = {0x00}; + char *cmdStr = buf; + int ans = 0; + uint8_t bitRate[8] = {8,16,32,40,50,64,100,128}; + DemodBufferLen = 0x00; - return 0; + //trim 1/2 a clock from beginning + snprintf(cmdStr, sizeof(buf),"%d", bitRate[config.bitrate]/2 ); + CmdLtrim(cmdStr); + switch( config.modulation ){ + case DEMOD_FSK: + snprintf(cmdStr, sizeof(buf),"%d %d", bitRate[config.bitrate], config.inverted ); + ans = FSKrawDemod(cmdStr, FALSE); + break; + case DEMOD_FSK1: + case DEMOD_FSK1a: + snprintf(cmdStr, sizeof(buf),"%d %d 8 5", bitRate[config.bitrate], config.inverted ); + ans = FSKrawDemod(cmdStr, FALSE); + break; + case DEMOD_FSK2: + case DEMOD_FSK2a: + snprintf(cmdStr, sizeof(buf),"%d %d 10 8", bitRate[config.bitrate], config.inverted ); + ans = FSKrawDemod(cmdStr, FALSE); + break; + case DEMOD_ASK: + snprintf(cmdStr, sizeof(buf),"%d %d 0", 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 ); + 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] ); + ans = PSKDemod(cmdStr, FALSE); + psk1TOpsk2(DemodBuffer, DemodBufferLen); + break; + case DEMOD_NRZ: + snprintf(cmdStr, sizeof(buf),"%d %d 1", bitRate[config.bitrate], config.inverted ); + ans = NRZrawDemod(cmdStr, FALSE); + break; + case DEMOD_BI: + case DEMOD_BIa: + snprintf(cmdStr, sizeof(buf),"0 %d %d 0", bitRate[config.bitrate], config.inverted ); + ans = ASKbiphaseDemod(cmdStr, FALSE); + break; + default: + return FALSE; + } + return (bool) ans; } +int CmdT55xxDetect(const char *Cmd){ -int CmdReadBlkPWD(const char *Cmd) -{ - int Block = -1; //default to invalid block - int Password = 0xFFFFFFFF; //default to blank Block 7 - UsbCommand c; - - sscanf(Cmd, "%d %x", &Block, &Password); - - if ((Block > 7) | (Block < 0)) { - PrintAndLog("Block must be between 0 and 7"); - return 1; - } - - PrintAndLog("Reading page 0 block %d pwd %08X", Block, Password); - - c.cmd = CMD_T55XX_READ_BLOCK; - c.d.asBytes[0] = 0x1; //Password mode - c.arg[0] = 0; - c.arg[1] = Block; - c.arg[2] = Password; - SendCommand(&c); - WaitForResponse(CMD_ACK, NULL); + char cmdp = param_getchar(Cmd, 0); + if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') + return usage_t55xx_detect(); + + if (strlen(Cmd)==0) + AquireData( CONFIGURATION_BLOCK ); + + if ( !tryDetectModulation() ) + PrintAndLog("Could not detect modulation automatically. Try setting it manually with \'lf t55xx config\'"); + + return 0; +} + +// detect configuration? +bool tryDetectModulation(){ + char cmdStr[8] = {0}; + uint8_t hits = 0; + 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); + sprintf(cmdStr,"%d", clk/2); + CmdLtrim(cmdStr); + if ( FSKrawDemod("0 0", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate)){ + tests[hits].modulation = DEMOD_FSK; + if (fc1==8 && fc2 == 5) + tests[hits].modulation = DEMOD_FSK1a; + else if (fc1==10 && fc2 == 8) + tests[hits].modulation = DEMOD_FSK2; + tests[hits].bitrate = bitRate; + tests[hits].inverted = FALSE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; + } + if ( FSKrawDemod("0 1", FALSE) && test(DEMOD_FSK, &tests[hits].offset, &bitRate)) { + tests[hits].modulation = DEMOD_FSK; + if (fc1 == 8 && fc2 == 5) + tests[hits].modulation = DEMOD_FSK1; + else if (fc1 == 10 && fc2 == 8) + tests[hits].modulation = DEMOD_FSK2a; + + tests[hits].bitrate = bitRate; + tests[hits].inverted = TRUE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; + } + } else { + clk = GetAskClock("", FALSE, FALSE); + if (clk>0) { + sprintf(cmdStr,"%d", clk/2); + CmdLtrim(cmdStr); + if ( ASKDemod("0 0 0", FALSE, FALSE, 1) && test(DEMOD_ASK, &tests[hits].offset, &bitRate)) { + 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)) { + 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) ) { + 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) ) { + tests[hits].modulation = DEMOD_BIa; + tests[hits].bitrate = bitRate; + tests[hits].inverted = TRUE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; + } + } + //undo trim from ask + save_restoreGB(0); + clk = GetNrzClock("", FALSE, FALSE); + if (clk>0) { + sprintf(cmdStr,"%d", clk/2); + CmdLtrim(cmdStr); + if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate)) { + tests[hits].modulation = DEMOD_NRZ; + tests[hits].bitrate = bitRate; + tests[hits].inverted = FALSE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; + } + + if ( NRZrawDemod("0 1 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate)) { + tests[hits].modulation = DEMOD_NRZ; + tests[hits].bitrate = bitRate; + tests[hits].inverted = TRUE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; + } + } - uint8_t data[LF_TRACE_BUFF_SIZE]; - memset(data, 0x00, LF_TRACE_BUFF_SIZE); + //undo trim from nrz + save_restoreGB(0); + clk = GetPskClock("", FALSE, FALSE); + if (clk>0) { + PrintAndLog("clk %d",clk); + sprintf(cmdStr,"%d", clk/2); + CmdLtrim(cmdStr); + if ( PSKDemod("0 0 1", FALSE) && test(DEMOD_PSK1, &tests[hits].offset, &bitRate)) { + 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)) { + tests[hits].modulation = DEMOD_PSK1; + tests[hits].bitrate = bitRate; + tests[hits].inverted = TRUE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; + } + // PSK2 - needs a call to psk1TOpsk2. + if ( PSKDemod("0 0 1", FALSE)) { + psk1TOpsk2(DemodBuffer, DemodBufferLen); + if (test(DEMOD_PSK2, &tests[hits].offset, &bitRate)){ + tests[hits].modulation = DEMOD_PSK2; + tests[hits].bitrate = bitRate; + tests[hits].inverted = FALSE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; + } + } // inverse waves does not affect this demod + // PSK3 - needs a call to psk1TOpsk2. + if ( PSKDemod("0 0 1", FALSE)) { + psk1TOpsk2(DemodBuffer, DemodBufferLen); + if (test(DEMOD_PSK3, &tests[hits].offset, &bitRate)){ + tests[hits].modulation = DEMOD_PSK3; + tests[hits].bitrate = bitRate; + tests[hits].inverted = FALSE; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + ++hits; + } + } // inverse waves does not affect this demod + } + } + if ( hits == 1) { + config.modulation = tests[0].modulation; + config.bitrate = tests[0].bitrate; + config.inverted = tests[0].inverted; + config.offset = tests[0].offset; + config.block0 = tests[0].block0; + printConfiguration( config ); + return TRUE; + } + + if ( hits > 1) { + PrintAndLog("Found [%d] possible matches for modulation.",hits); + for(int i=0; i 3 && modread < 8) return TRUE; + break; + case DEMOD_ASK: + if (modread == DEMOD_ASK) return TRUE; + break; + case DEMOD_PSK1: + if (modread == DEMOD_PSK1) return TRUE; + break; + case DEMOD_PSK2: + if (modread == DEMOD_PSK2) return TRUE; + break; + case DEMOD_PSK3: + if (modread == DEMOD_PSK3) return TRUE; + break; + case DEMOD_NRZ: + if (modread == DEMOD_NRZ) return TRUE; + break; + case DEMOD_BI: + if (modread == DEMOD_BI) return TRUE; + break; + case DEMOD_BIa: + if (modread == DEMOD_BIa) return TRUE; + break; + default: + return FALSE; + } + return FALSE; +} - GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset.. - WaitForResponseTimeout(CMD_ACK,NULL, 1500); +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 ){ + 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; + break; + case DEMOD_ASK: + case DEMOD_BI: + case DEMOD_BIa: + detRate = GetAskClock("",FALSE, FALSE); + if (expected[readRate] == detRate) + return TRUE; + break; + case DEMOD_PSK1: + case DEMOD_PSK2: + case DEMOD_PSK3: + detRate = GetPskClock("",FALSE, FALSE); + if (expected[readRate] == detRate) + return TRUE; + break; + case DEMOD_NRZ: + detRate = GetNrzClock("",FALSE, FALSE); + if (expected[readRate] == detRate) + return TRUE; + break; + default: + return FALSE; + } + return FALSE; +} + +bool test(uint8_t mode, uint8_t *offset, int *fndBitRate){ + + if ( DemodBufferLen < 64 ) return FALSE; + uint8_t si = 0; + for (uint8_t idx = 0; idx < 64; idx++){ + si = idx; + if ( PackBits(si, 32, DemodBuffer) == 0x00 ) continue; - for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { - GraphBuffer[j] = ((int)data[j]) - 128; + 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 + // 2nibble must be zeroed. + // moved test to here, since this gets most faults first. + 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 + 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; + //uint8_t pskcr = PackBits(si, 2, DemodBuffer); si += 2+1; //could check psk cr + uint8_t nml01 = PackBits(si, 1, DemodBuffer); si += 1+5; //bit 24, 30, 31 could be tested for 0 if not extended mode + uint8_t nml02 = PackBits(si, 2, DemodBuffer); si += 2; + + //if extended mode + bool extMode =( (safer == 0x6 || safer == 0x9) && extend) ? TRUE : FALSE; + + if (!extMode){ + if (nml01 || nml02 || xtRate) continue; + } + //test modulation + if (!testModulation(mode, modread)) continue; + if (!testBitRate(bitRate, mode)) continue; + *fndBitRate = bitRate; + *offset = idx; + return TRUE; } - GraphTraceLen = LF_TRACE_BUFF_SIZE; + return FALSE; +} - // BiDirectional - CmdDirectionalThreshold("70 -60"); +void printT55xxBlock(const char *blockNum){ - // Askdemod - Cmdaskdemod("1"); + uint8_t i = config.offset; + uint8_t endpos = 32 + i; + uint32_t blockData = 0; + uint8_t bits[64] = {0x00}; + + if ( !DemodBufferLen) return; + + if ( endpos > DemodBufferLen){ + PrintAndLog("The configured offset %d is too big. Possible offset: %d)", i, DemodBufferLen-32); + return; + } + + for (; i < endpos; ++i) + bits[i - config.offset]=DemodBuffer[i]; + + blockData = PackBits(0, 32, bits); + PrintAndLog("[%s] 0x%08X %s", blockNum, blockData, sprint_bin(bits,32)); +} + +int special(const char *Cmd) { + uint32_t blockData = 0; + uint8_t bits[32] = {0x00}; + + PrintAndLog("[OFFSET] [DATA] [BINARY]"); + PrintAndLog("----------------------------------------------------"); + int i,j = 0; + for (; j < 64; ++j){ - uint8_t bits[1000]; - uint8_t len = 0; - len = manchester_decode(data, LF_TRACE_BUFF_SIZE, bits); - if ( len > 0 ) - PrintPaddedManchester(bits, len, 32); + for (i = 0; i < 32; ++i) + bits[i]=DemodBuffer[j+i]; + + blockData = PackBits(0, 32, bits); - return 0; + PrintAndLog("[%02d] 0x%08X %s",j , blockData, sprint_bin(bits,32)); + } + return 0; } +void printConfiguration( t55xx_conf_block_t b){ + PrintAndLog("Modulation : %s", GetSelectedModulationStr(b.modulation) ); + PrintAndLog("Bit Rate : %s", GetBitRateStr(b.bitrate) ); + PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" ); + PrintAndLog("Offset : %d", b.offset); + PrintAndLog("Block0 : 0x%08X", b.block0); + PrintAndLog(""); +} -int CmdWriteBlk(const char *Cmd) +int CmdT55xxWriteBlock(const char *Cmd) { - int Block = 8; //default to invalid block - int Data = 0xFFFFFFFF; //default to blank Block - UsbCommand c; - - sscanf(Cmd, "%x %d", &Data, &Block); + int block = 8; //default to invalid block + int data = 0xFFFFFFFF; //default to blank Block + int password = 0xFFFFFFFF; //default to blank Block 7 + + char cmdp = param_getchar(Cmd, 0); + if (cmdp == 'h' || cmdp == 'H') { + usage_t55xx_write(); + return 0; + } + + int res = sscanf(Cmd, "%d %x %x",&block, &data, &password); + + if ( res < 2 || res > 3) { + usage_t55xx_write(); + return 1; + } - if (Block > 7) { - PrintAndLog("Block must be between 0 and 7"); - return 1; - } + if (block > 7) { + PrintAndLog("Block number must be between 0 and 7"); + return 1; + } + + UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}}; + c.d.asBytes[0] = 0x0; - PrintAndLog("Writting block %d with data %08X", Block, Data); + PrintAndLog("Writing to block: %d data : 0x%08X", block, data); - c.cmd = CMD_T55XX_WRITE_BLOCK; - c.d.asBytes[0] = 0x0; //Normal mode - c.arg[0] = Data; - c.arg[1] = Block; - c.arg[2] = 0; - SendCommand(&c); - return 0; + //Password mode + if (res == 3) { + c.arg[2] = password; + c.d.asBytes[0] = 0x1; + PrintAndLog("pwd : 0x%08X", password); + } + SendCommand(&c); + return 0; } -int CmdWriteBlkPWD(const char *Cmd) +int CmdT55xxReadTrace(const char *Cmd) { - int Block = 8; //default to invalid block - int Data = 0xFFFFFFFF; //default to blank Block - int Password = 0xFFFFFFFF; //default to blank Block 7 - UsbCommand c; - - sscanf(Cmd, "%x %d %x", &Data, &Block, &Password); - - if (Block > 7) { - PrintAndLog("Block must be between 0 and 7"); - return 1; - } - - PrintAndLog("Writting block %d with data %08X and password %08X", Block, Data, Password); - - c.cmd = CMD_T55XX_WRITE_BLOCK; - c.d.asBytes[0] = 0x1; //Password mode - c.arg[0] = Data; - c.arg[1] = Block; - c.arg[2] = Password; - SendCommand(&c); + char cmdp = param_getchar(Cmd, 0); + + if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') + return usage_t55xx_trace(); + + if (strlen(Cmd)==0) + AquireData( TRACE_BLOCK ); + + if (!DecodeT55xxBlock()) return 1; + + if ( !DemodBufferLen) return 1; + + RepaintGraphWindow(); + uint8_t repeat = 0; + if (config.offset > 5) + repeat = 32; + uint8_t si = config.offset+repeat; + uint32_t bl0 = PackBits(si, 32, DemodBuffer); + uint32_t bl1 = PackBits(si+32, 32, DemodBuffer); + + uint32_t acl = PackBits(si, 8, DemodBuffer); si += 8; + uint32_t mfc = PackBits(si, 8, DemodBuffer); si += 8; + uint32_t cid = PackBits(si, 5, DemodBuffer); si += 5; + uint32_t icr = PackBits(si, 3, DemodBuffer); si += 3; + uint32_t year = PackBits(si, 4, DemodBuffer); si += 4; + uint32_t quarter = PackBits(si, 2, DemodBuffer); si += 2; + uint32_t lotid = PackBits(si, 14, DemodBuffer); si += 14; + uint32_t wafer = PackBits(si, 5, DemodBuffer); si += 5; + uint32_t dw = PackBits(si, 15, DemodBuffer); + + time_t t = time(NULL); + struct tm tm = *localtime(&t); + if ( year > tm.tm_year-110) + year += 2000; + else + year += 2010; + + if ( acl != 0xE0 ) { + PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. "); + return 1; + } + + PrintAndLog(""); + PrintAndLog("-- T55xx Trace Information ----------------------------------"); + PrintAndLog("-------------------------------------------------------------"); + PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl); + PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", mfc, mfc, getTagInfo(mfc)); + PrintAndLog(" CID : 0x%02X (%d) - %s", cid, cid, GetModelStrFromCID(cid)); + PrintAndLog(" ICR IC Revision : %d",icr ); + PrintAndLog(" Manufactured"); + PrintAndLog(" Year/Quarter : %d/%d",year, quarter); + PrintAndLog(" Lot ID : %d", lotid ); + PrintAndLog(" Wafer number : %d", wafer); + PrintAndLog(" Die Number : %d", dw); + PrintAndLog("-------------------------------------------------------------"); + PrintAndLog(" Raw Data - Page 1"); + PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset+repeat,32) ); + PrintAndLog(" Block 1 : 0x%08X %s", bl1, sprint_bin(DemodBuffer+config.offset+repeat+32,32) ); + PrintAndLog("-------------------------------------------------------------"); + + /* + TRACE - BLOCK O + Bits Definition HEX + 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0 + 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation + 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2 + 22-24 ICR IC revision + 25-28 YEAR (BCD encoded) 9 (= 2009) + 29-30 QUARTER 1,2,3,4 + 31-32 LOT ID + + TRACE - BLOCK 1 + 1-12 LOT ID + 13-17 Wafer number + 18-32 DW, die number sequential + */ + return 0; } -int CmdReadTrace(const char *Cmd) -{ - PrintAndLog(" Reading page 1 - tracedata"); +int CmdT55xxInfo(const char *Cmd){ + /* + Page 0 Block 0 Configuration data. + Normal mode + Extended mode + */ + char cmdp = param_getchar(Cmd, 0); + + if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') + return usage_t55xx_info(); + + if (strlen(Cmd)==0) + AquireData( CONFIGURATION_BLOCK ); + + if (!DecodeT55xxBlock()) return 1; + + if ( DemodBufferLen < 32) return 1; + + uint8_t si = config.offset; + uint32_t bl0 = PackBits(si, 32, DemodBuffer); + + uint32_t safer = PackBits(si, 4, DemodBuffer); si += 4; + uint32_t resv = PackBits(si, 7, DemodBuffer); si += 7; + uint32_t dbr = PackBits(si, 3, DemodBuffer); si += 3; + uint32_t extend = PackBits(si, 1, DemodBuffer); si += 1; + uint32_t datamod = PackBits(si, 5, DemodBuffer); si += 5; + uint32_t pskcf = PackBits(si, 2, DemodBuffer); si += 2; + uint32_t aor = PackBits(si, 1, DemodBuffer); si += 1; + uint32_t otp = PackBits(si, 1, DemodBuffer); si += 1; + uint32_t maxblk = PackBits(si, 3, DemodBuffer); si += 3; + uint32_t pwd = PackBits(si, 1, DemodBuffer); si += 1; + uint32_t sst = PackBits(si, 1, DemodBuffer); si += 1; + 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; + + PrintAndLog(""); + PrintAndLog("-- T55xx Configuration & Tag Information --------------------"); + PrintAndLog("-------------------------------------------------------------"); + PrintAndLog(" Safer key : %s", GetSaferStr(safer)); + PrintAndLog(" reserved : %d", resv); + PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr)); + PrintAndLog(" eXtended mode : %s", (extend) ? "Yes - Warning":"No"); + PrintAndLog(" Modulation : %s", GetModulationStr(datamod)); + PrintAndLog(" PSK clock frequency : %d", pskcf); + PrintAndLog(" AOR - Answer on Request : %s", (aor) ? "Yes":"No"); + PrintAndLog(" OTP - One Time Pad : %s", (otp) ? "Yes - Warning":"No" ); + PrintAndLog(" Max block : %d", maxblk); + PrintAndLog(" Password mode : %s", (pwd) ? "Yes":"No"); + PrintAndLog(" Sequence Start Terminator : %s", (sst) ? "Yes":"No"); + PrintAndLog(" Fast Write : %s", (fw) ? "Yes":"No"); + PrintAndLog(" Inverse data : %s", (inv) ? "Yes":"No"); + PrintAndLog(" POR-Delay : %s", (por) ? "Yes":"No"); + PrintAndLog("-------------------------------------------------------------"); + PrintAndLog(" Raw Data - Page 0"); + PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) ); + PrintAndLog("-------------------------------------------------------------"); + + return 0; +} + +int CmdT55xxDump(const char *Cmd){ + + char s[20] = {0x00}; + uint8_t pwd[4] = {0x00}; + + char cmdp = param_getchar(Cmd, 0); + if ( cmdp == 'h' || cmdp == 'H') { + usage_t55xx_dump(); + return 0; + } - UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}}; - SendCommand(&c); - WaitForResponse(CMD_ACK, NULL); + bool hasPwd = ( strlen(Cmd) > 0); + if ( hasPwd ){ + if (param_gethex(Cmd, 0, pwd, 8)) { + PrintAndLog("password must include 8 HEX symbols"); + return 1; + } + } + + for ( int i = 0; i <8; ++i){ + memset(s,0,sizeof(s)); + if ( hasPwd ) { + sprintf(s,"%d %02x%02x%02x%02x", i, pwd[0],pwd[1],pwd[2],pwd[3]); + } else { + sprintf(s,"%d", i); + } + CmdT55xxReadBlock(s); + } + return 0; +} + +int AquireData( uint8_t block ){ + + UsbCommand c; + + if ( block == CONFIGURATION_BLOCK ) + c.cmd = CMD_T55XX_READ_BLOCK; + else if (block == TRACE_BLOCK ) + c.cmd = CMD_T55XX_READ_TRACE; + + c.arg[0] = 0x00; + c.arg[1] = 0x00; + c.arg[2] = 0x00; + c.d.asBytes[0] = 0x0; - uint8_t data[LF_TRACE_BUFF_SIZE]; - memset(data, 0x00, LF_TRACE_BUFF_SIZE); + //Password mode + // if ( res == 2 ) { + // c.arg[2] = password; + // c.d.asBytes[0] = 0x1; + // } - GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset.. - WaitForResponseTimeout(CMD_ACK,NULL, 1500); + SendCommand(&c); + if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) { + PrintAndLog("command execution time out"); + return 1; + } + + uint8_t got[12000]; + GetFromBigBuf(got,sizeof(got),0); + WaitForResponse(CMD_ACK,NULL); + setGraphBuf(got, 12000); + return 0; +} + +char * GetBitRateStr(uint32_t id){ + static char buf[25]; - for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { - GraphBuffer[j] = ((int)data[j]) - 128; + char *retStr = buf; + switch (id){ + case 0: + snprintf(retStr,sizeof(buf),"%d - RF/8",id); + break; + case 1: + snprintf(retStr,sizeof(buf),"%d - RF/16",id); + break; + case 2: + snprintf(retStr,sizeof(buf),"%d - RF/32",id); + break; + case 3: + snprintf(retStr,sizeof(buf),"%d - RF/40",id); + break; + case 4: + snprintf(retStr,sizeof(buf),"%d - RF/50",id); + break; + case 5: + snprintf(retStr,sizeof(buf),"%d - RF/64",id); + break; + case 6: + snprintf(retStr,sizeof(buf),"%d - RF/100",id); + break; + case 7: + snprintf(retStr,sizeof(buf),"%d - RF/128",id); + break; + default: + snprintf(retStr,sizeof(buf),"%d - (Unknown)",id); + break; + } + + return buf; +} + +char * GetSaferStr(uint32_t id){ + static char buf[40]; + char *retStr = buf; + + snprintf(retStr,sizeof(buf),"%d",id); + if (id == 6) { + snprintf(retStr,sizeof(buf),"%d - passwd",id); + } + if (id == 9 ){ + snprintf(retStr,sizeof(buf),"%d - testmode",id); } - GraphTraceLen = LF_TRACE_BUFF_SIZE; - // BiDirectional - CmdDirectionalThreshold("70 -60"); + return buf; +} + +char * GetModulationStr( uint32_t id){ + static char buf[60]; + char *retStr = buf; - // Askdemod - Cmdaskdemod("1"); + switch (id){ + case 0: + snprintf(retStr,sizeof(buf),"%d - DIRECT (ASK/NRZ)",id); + break; + case 1: + snprintf(retStr,sizeof(buf),"%d - PSK 1 phase change when input changes",id); + break; + case 2: + snprintf(retStr,sizeof(buf),"%d - PSK 2 phase change on bitclk if input high",id); + break; + case 3: + snprintf(retStr,sizeof(buf),"%d - PSK 3 phase change on rising edge of input",id); + break; + case 4: + snprintf(retStr,sizeof(buf),"%d - FSK 1 RF/8 RF/5",id); + break; + case 5: + snprintf(retStr,sizeof(buf),"%d - FSK 2 RF/8 RF/10",id); + break; + case 6: + snprintf(retStr,sizeof(buf),"%d - FSK 1a RF/5 RF/8",id); + break; + case 7: + snprintf(retStr,sizeof(buf),"%d - FSK 2a RF/10 RF/8",id); + break; + case 8: + snprintf(retStr,sizeof(buf),"%d - Manchester",id); + break; + case 16: + snprintf(retStr,sizeof(buf),"%d - Biphase",id); + break; + case 0x18: + snprintf(retStr,sizeof(buf),"%d - Biphase a - AKA Conditional Dephase Encoding(CDP)",id); + break; + case 17: + snprintf(retStr,sizeof(buf),"%d - Reserved",id); + break; + default: + snprintf(retStr,sizeof(buf),"0x%02X (Unknown)",id); + break; + } + return buf; +} - uint8_t bits[512]; - uint8_t len = 0; - len = manchester_decode(data,LF_TRACE_BUFF_SIZE,bits); - if ( len > 0 ) - PrintPaddedManchester(bits, len, 64); +char * GetModelStrFromCID(uint32_t cid){ + + static char buf[10]; + char *retStr = buf; - return 0; + if (cid == 1) snprintf(retStr, sizeof(buf),"ATA5577M1"); + if (cid == 2) snprintf(retStr, sizeof(buf),"ATA5577M2"); + return buf; +} + +char * GetSelectedModulationStr( uint8_t id){ + + static char buf[20]; + char *retStr = buf; + + switch (id){ + case DEMOD_FSK: + snprintf(retStr,sizeof(buf),"FSK"); + break; + case DEMOD_FSK1: + snprintf(retStr,sizeof(buf),"FSK1"); + break; + case DEMOD_FSK1a: + snprintf(retStr,sizeof(buf),"FSK1a"); + break; + case DEMOD_FSK2: + snprintf(retStr,sizeof(buf),"FSK2"); + break; + case DEMOD_FSK2a: + snprintf(retStr,sizeof(buf),"FSK2a"); + break; + case DEMOD_ASK: + snprintf(retStr,sizeof(buf),"ASK"); + break; + case DEMOD_NRZ: + snprintf(retStr,sizeof(buf),"DIRECT/NRZ"); + break; + case DEMOD_PSK1: + snprintf(retStr,sizeof(buf),"PSK1"); + break; + case DEMOD_PSK2: + snprintf(retStr,sizeof(buf),"PSK2"); + break; + case DEMOD_PSK3: + snprintf(retStr,sizeof(buf),"PSK3"); + break; + case DEMOD_BI: + snprintf(retStr,sizeof(buf),"BIPHASE"); + break; + case DEMOD_BIa: + snprintf(retStr,sizeof(buf),"BIPHASEa - (CDP)"); + break; + default: + snprintf(retStr,sizeof(buf),"(Unknown)"); + break; + } + return buf; +} + +uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){ + + 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; } static command_t CommandTable[] = { - {"help", CmdHelp, 1, "This help"}, - {"readblock", CmdReadBlk, 1, " -- Read T55xx block data (page 0)"}, - {"readblockPWD", CmdReadBlkPWD, 1, " -- Read T55xx block data in password mode(page 0)"}, - {"writeblock", CmdWriteBlk, 1, " -- Write T55xx block data (page 0)"}, - {"writeblockPWD", CmdWriteBlkPWD, 1, " -- Write T55xx block data in password mode(page 0)"}, - {"readtrace", CmdReadTrace, 1, "Read T55xx traceability data (page 1)"}, + {"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, " [password] -- Read T55xx block data (page 0) [optional password]"}, + {"write", CmdT55xxWriteBlock,0, " [password] -- Write T55xx block data (page 0) [optional password]"}, + {"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] Dump T55xx card block 0-7. [optional password]"}, + {"special", special, 0, "Show block changes with 64 different offsets"}, {NULL, NULL, 0, NULL} };