X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/660d641a03456e99ea83c68dbd3d03bae2b64573..bad582468fd7617e99db8c37789b5523e3ff6b9d:/client/cmdlft55xx.c?ds=sidebyside diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index 9783370c..b286c392 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -7,146 +7,1718 @@ // Low frequency T55xx commands //----------------------------------------------------------------------------- +#include "cmdlft55xx.h" + #include #include #include -//#include "proxusb.h" -#include "proxmark3.h" +#include +#include +#include "comms.h" #include "ui.h" #include "graph.h" +#include "cmdmain.h" #include "cmdparser.h" #include "cmddata.h" #include "cmdlf.h" -#include "cmdlft55xx.h" +#include "util.h" +#include "lfdemod.h" +#include "protocols.h" +#include "taginfo.h" + +#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 +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; +} +void Set_t55xx_Config(t55xx_conf_block_t conf){ + config = conf; +} + +int usage_t55xx_config(){ + 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(" ST Set Sequence Terminator on"); + 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 [b ] [p ] "); + PrintAndLog("Options:"); + PrintAndLog(" b - block number to read. Between 0-7"); + PrintAndLog(" p - OPTIONAL password (8 hex characters)"); + PrintAndLog(" o - OPTIONAL override safety check"); + PrintAndLog(" 1 - OPTIONAL read Page 1 instead of Page 0"); + PrintAndLog(" ****WARNING****"); + PrintAndLog(" Use of read with password on a tag not configured for a pwd"); + PrintAndLog(" can damage the tag"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx read b 0 - read data from block 0"); + PrintAndLog(" lf t55xx read b 0 p feedbeef - read data from block 0 password feedbeef"); + PrintAndLog(" lf t55xx read b 0 p feedbeef o - read data from block 0 password feedbeef safety check"); + PrintAndLog(""); + return 0; +} +int usage_t55xx_write(){ + PrintAndLog("Usage: lf t55xx write [b ] [d ] [p ] [1] [t]"); + PrintAndLog("Options:"); + PrintAndLog(" b - block number to write. Between 0-7"); + PrintAndLog(" d - 4 bytes of data to write (8 hex characters)"); + PrintAndLog(" p - OPTIONAL password 4bytes (8 hex characters)"); + PrintAndLog(" 1 - OPTIONAL write Page 1 instead of Page 0"); + PrintAndLog(" t - OPTIONAL test mode write - ****DANGER****"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx write b 3 d 11223344 - write 11223344 to block 3"); + PrintAndLog(" lf t55xx write b 3 d 11223344 p feedbeef - write 11223344 to block 3 password feedbeef"); + PrintAndLog(""); + return 0; +} +int usage_t55xx_trace() { + PrintAndLog("Usage: lf t55xx trace [1]"); + PrintAndLog("Options:"); + 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("Options:"); + 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 [o]"); + PrintAndLog("Options:"); + PrintAndLog(" - OPTIONAL password 4bytes (8 hex symbols)"); + PrintAndLog(" o - OPTIONAL override, force pwd read despite danger to card"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx dump"); + PrintAndLog(" lf t55xx dump feedbeef o"); + PrintAndLog(""); + return 0; +} +int usage_t55xx_detect(){ + PrintAndLog("Usage: lf t55xx detect [1] [p ]"); + PrintAndLog("Options:"); + 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; +} +int usage_t55xx_detectP1(){ + PrintAndLog("Command: Detect Page 1 of a t55xx chip"); + PrintAndLog("Usage: lf t55xx p1detect [1] [p ]"); + PrintAndLog("Options:"); + PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag."); + PrintAndLog(" p - OPTIONAL password (8 hex characters)"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx p1detect"); + PrintAndLog(" lf t55xx p1detect 1"); + PrintAndLog(" lf t55xx p1detect p 11223344"); + PrintAndLog(""); + return 0; +} +int usage_t55xx_wakup(){ + PrintAndLog("Usage: lf t55xx wakeup [h] "); + PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards."); + PrintAndLog("Options:"); + PrintAndLog(" h - this help"); + PrintAndLog(" - [required] password 4bytes (8 hex symbols)"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx wakeup 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; +} +int usage_t55xx_wipe(){ + PrintAndLog("Usage: lf t55xx wipe [h] [Q5]"); + PrintAndLog("This commands wipes a tag, fills blocks 1-7 with zeros and a default configuration block"); + PrintAndLog("Options:"); + PrintAndLog(" h - this help"); + PrintAndLog(" Q5 - indicates to use the T5555 (Q5) default configuration block"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx wipe - wipes a t55x7 tag, config block 0x000880E0"); + PrintAndLog(" lf t55xx wipe Q5 - wipes a t5555 Q5 tag, config block 0x6001F004"); + 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 CmdReadBlk(const char *Cmd) -{ - int Block = 8; //default to invalid block - UsbCommand c; +int CmdT55xxSetConfig(const char *Cmd) { - sscanf(Cmd, "%d", &Block); + uint8_t offset = 0; + char modulation[6] = {0x00}; + char tmp = 0x00; + uint8_t bitRate = 0; + uint8_t rates[9] = {8,16,32,40,50,64,100,128,0}; + uint8_t cmdp = 0; + bool errors = false; + 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, sizeof(modulation)); + cmdp += 2; - if (Block > 7) { - PrintAndLog("Block must be between 0 and 7"); - return 1; - } + 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; + case 'Q': + case 'q': + config.Q5 = true; + cmdp++; + break; + case 'S': + case 's': + config.ST = true; + cmdp++; + break; + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = true; + break; + } + } - PrintAndLog("Reading block %d", Block); + // No args + if (cmdp == 0) return printConfiguration( config ); - c.cmd = CMD_T55XX_READ_BLOCK; - c.d.asBytes[0] = 0x0; //Normal mode - c.arg[0] = 0; - c.arg[1] = Block; - c.arg[2] = 0; - SendCommand(&c); - return 0; + //Validations + if (errors) return usage_t55xx_config(); + + config.block0 = 0; + return printConfiguration ( config ); } -int CmdReadBlkPWD(const char *Cmd) -{ - int Block = 8; //default to invalid block - int Password = 0xFFFFFFFF; //default to blank Block 7 - UsbCommand c; +int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){ + //Password mode + if ( usepwd ) { + // try reading the config block and verify that PWD bit is set before doing this! + if ( !override ) { + 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; + } else { + PrintAndLog("Safety Check: PWD bit is NOT set in config block. Reading without password..."); + usepwd = false; + page1 = false; + } + } else { + PrintAndLog("Safety Check Overriden - proceeding despite risk"); + } + } - sscanf(Cmd, "%d %x", &Block, &Password); + if (!AquireData(page1, block, usepwd, password) ) return 0; + if (!DecodeT55xxBlock()) return 0; - if (Block > 7) { - PrintAndLog("Block must be between 0 and 7"); - return 1; - } + char blk[10]={0}; + sprintf(blk,"%d", block); + printT55xxBlock(blk); + return 1; +} - PrintAndLog("Reading block %d with password %08X", Block, Password); +int CmdT55xxReadBlock(const char *Cmd) { + uint8_t block = REGULAR_READ_MODE_BLOCK; + uint32_t password = 0; //default to blank Block 7 + bool usepwd = false; + bool override = false; + bool page1 = false; + bool errors = false; + uint8_t cmdp = 0; + while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { + switch(param_getchar(Cmd, cmdp)) { + case 'h': + case 'H': + return usage_t55xx_read(); + case 'b': + case 'B': + errors |= param_getdec(Cmd, cmdp+1, &block); + cmdp += 2; + break; + case 'o': + case 'O': + override = true; + cmdp++; + break; + case 'p': + case 'P': + password = param_get32ex(Cmd, cmdp+1, 0, 16); + usepwd = true; + cmdp += 2; + break; + case '1': + page1 = true; + cmdp++; + break; + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = true; + break; + } + } + if (errors) return usage_t55xx_read(); - 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); - return 0; + if (block > 7 && block != REGULAR_READ_MODE_BLOCK ) { + PrintAndLog("Block must be between 0 and 7"); + return 0; + } + + printT5xxHeader(page1); + return T55xxReadBlock(block, page1, usepwd, override, password); } -int CmdWriteBlk(const char *Cmd) -{ - int Block = 8; //default to invalid block - int Data = 0xFFFFFFFF; //default to blank Block - UsbCommand c; +bool DecodeT55xxBlock(){ + + char buf[30] = {0x00}; + char *cmdStr = buf; + int ans = 0; + bool ST = config.ST; + uint8_t bitRate[8] = {8,16,32,40,50,64,100,128}; + DemodBufferLen = 0x00; + + 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 1", bitRate[config.bitrate], config.inverted ); + ans = ASKDemod_ext(cmdStr, false, false, 1, &ST); + break; + case DEMOD_PSK1: + // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise) + save_restoreGB(GRAPH_SAVE); + CmdLtrim("160"); + snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted ); + ans = PSKDemod(cmdStr, false); + //undo trim samples + save_restoreGB(GRAPH_RESTORE); + break; + case DEMOD_PSK2: //inverted won't affect this + case DEMOD_PSK3: //not fully implemented + // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise) + save_restoreGB(GRAPH_SAVE); + CmdLtrim("160"); + snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] ); + ans = PSKDemod(cmdStr, false); + psk1TOpsk2(DemodBuffer, DemodBufferLen); + //undo trim samples + save_restoreGB(GRAPH_RESTORE); + 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 1", bitRate[config.bitrate], config.inverted ); + ans = ASKbiphaseDemod(cmdStr, false); + break; + default: + return false; + } + return (bool) ans; +} - sscanf(Cmd, "%x %d", &Data, &Block); +bool DecodeT5555TraceBlock() { + DemodBufferLen = 0x00; + + // According to datasheet. Always: RF/64, not inverted, Manchester + return (bool) ASKDemod("64 0 1", false, false, 1); +} - if (Block > 7) { - PrintAndLog("Block must be between 0 and 7"); - return 1; - } +int CmdT55xxDetect(const char *Cmd){ + bool errors = false; + bool useGB = false; + bool usepwd = false; + uint32_t password = 0; + uint8_t cmdp = 0; - PrintAndLog("Writting block %d with data %08X", Block, Data); + 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 ( !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\'"); - 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; + return 1; } -int CmdWriteBlkPWD(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; +// detect configuration? +bool tryDetectModulation(){ + uint8_t hits = 0; + t55xx_conf_block_t tests[15]; + int bitRate=0; + uint8_t fc1 = 0, fc2 = 0, ans = 0; + int clk = 0, firstClockEdge = 0; + ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, false, &firstClockEdge); + if (ans && ((fc1==10 && fc2==8) || (fc1==8 && fc2==5))) { + 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; + 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); + tests[hits].ST = false; + ++hits; + } + 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; + 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); + tests[hits].ST = false; + ++hits; + } + } else { + clk = GetAskClock("", false, false); + if (clk>0) { + tests[hits].ST = true; + if ( ASKDemod_ext("0 0 1", false, false, 1, &tests[hits].ST) && 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; + } + tests[hits].ST = true; + if ( ASKDemod_ext("0 1 1", false, false, 1, &tests[hits].ST) && 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 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); + tests[hits].ST = false; + ++hits; + } + 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; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; + ++hits; + } + } + clk = GetNrzClock("", false, false); + if (clk>8) { //clock of rf/8 is likely a false positive, so don't use it. + 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; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; + ++hits; + } - sscanf(Cmd, "%x %d %x", &Data, &Block, &Password); + 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; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; + ++hits; + } + } + + clk = GetPskClock("", false, false); + if (clk>0) { + // allow undo + save_restoreGB(GRAPH_SAVE); + // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise) + CmdLtrim("160"); + 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); + tests[hits].ST = false; + ++hits; + } + 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; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; + ++hits; + } + // PSK2 - needs a call to psk1TOpsk2. + 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; + tests[hits].bitrate = bitRate; + tests[hits].inverted = false; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; + ++hits; + } + } // inverse waves does not affect this demod + // PSK3 - needs a call to psk1TOpsk2. + 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; + tests[hits].bitrate = bitRate; + tests[hits].inverted = false; + tests[hits].block0 = PackBits(tests[hits].offset, 32, DemodBuffer); + tests[hits].ST = false; + ++hits; + } + } // inverse waves does not affect this demod + //undo trim samples + save_restoreGB(GRAPH_RESTORE); + } + } + 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; + config.Q5 = tests[0].Q5; + config.ST = tests[0].ST; + printConfiguration( config ); + return true; + } + + if ( hits > 1) { + PrintAndLog("Found [%d] possible matches for modulation.",hits); + for(int i=0; i 7) { - PrintAndLog("Block must be between 0 and 7"); - return 1; - } +bool testModulation(uint8_t mode, uint8_t modread){ + switch( mode ){ + case DEMOD_FSK: + if (modread >= DEMOD_FSK1 && modread <= DEMOD_FSK2a) 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; +} - PrintAndLog("Writting block %d with data %08X and password %08X", Block, Data, Password); +bool testQ5Modulation(uint8_t mode, uint8_t modread){ + switch( mode ){ + case DEMOD_FSK: + if (modread >= 4 && modread <= 5) return true; + break; + case DEMOD_ASK: + 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: + if (modread == 3) return true; + break; + case DEMOD_NRZ: + if (modread == 7) return true; + break; + case DEMOD_BI: + if (modread == 6) return true; + break; + default: + return false; + } + return false; +} - 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); - return 0; +int convertQ5bitRate(uint8_t bitRateRead) { + uint8_t expected[] = {8, 16, 32, 40, 50, 64, 100, 128}; + for (int i=0; i<8; i++) + if (expected[i] == bitRateRead) + return i; + + return -1; } -int CmdReadTrace(const char *Cmd) -{ +bool testQ5(uint8_t mode, uint8_t *offset, int *fndBitRate, uint8_t clk){ - PrintAndLog("Reading traceability data"); + 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; - UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}}; - SendCommand(&c); - return 0; + 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 && safer != 0x9) 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, 6, DemodBuffer)*2 + 2; si += 6; //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 = convertQ5bitRate(bitRate); + if (*fndBitRate < 0) continue; + *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 + // 2nibble must be zeroed. + // moved test to here, since this gets most faults first. + if ( resv > 0x00) continue; + + int bitRate = PackBits(si, 6, DemodBuffer); si += 6; //bit rate (includes extended mode part of rate) + 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 (bitRate > 7) continue; + if (!testBitRate(bitRate, clk)) continue; + } else { //extended mode bitrate = same function to calc bitrate as em4x05 + if (EM4x05_GET_BITRATE(bitRate) != clk) continue; + + } + //test modulation + if (!testModulation(mode, modread)) continue; + *fndBitRate = bitRate; + *offset = idx; + *Q5 = false; + return true; + } + if (testQ5(mode, offset, fndBitRate, clk)) { + *Q5 = true; + return true; + } + return false; +} + +void printT55xxBlock(const char *blockNum){ + + 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 | %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){ + + for (i = 0; i < 32; ++i) + bits[i]=DemodBuffer[j+i]; + + blockData = PackBits(0, 32, bits); + + PrintAndLog(" %02d | 0x%08X | %s",j , blockData, sprint_bin(bits,32)); + } + return 0; +} + +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, (b.block0 & T55x7_X_MODE && (b.block0>>28==6 || b.block0>>28==9))) ); + PrintAndLog("Inverted : %s", (b.inverted) ? "Yes" : "No" ); + PrintAndLog("Offset : %d", b.offset); + PrintAndLog("Seq. Term. : %s", (b.ST) ? "Yes" : "No" ); + PrintAndLog("Block0 : 0x%08X", b.block0); + PrintAndLog(""); + return 0; +} + +int CmdT55xxWakeUp(const char *Cmd) { + uint32_t password = 0; + if ( strlen(Cmd) <= 0 ) return usage_t55xx_wakup(); + char cmdp = param_getchar(Cmd, 0); + if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wakup(); + + password = param_get32ex(Cmd, 0, 0, 16); + + UsbCommand c = {CMD_T55XX_WAKEUP, {password, 0, 0}}; + clearCommandBuffer(); + SendCommand(&c); + PrintAndLog("Wake up command sent. Try read now"); + return 0; +} + +int CmdT55xxWriteBlock(const char *Cmd) { + uint8_t block = 0xFF; //default to invalid block + 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; + bool testMode = false; + bool errors = false; + uint8_t cmdp = 0; + while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { + switch(param_getchar(Cmd, cmdp)) { + case 'h': + case 'H': + return usage_t55xx_write(); + case 'b': + case 'B': + errors |= param_getdec(Cmd, cmdp+1, &block); + cmdp += 2; + break; + case 'd': + case 'D': + data = param_get32ex(Cmd, cmdp+1, 0, 16); + gotdata = true; + cmdp += 2; + break; + case 'p': + case 'P': + password = param_get32ex(Cmd, cmdp+1, 0, 16); + usepwd = true; + cmdp += 2; + break; + case 't': + case 'T': + testMode = true; + cmdp++; + break; + case '1': + page1 = true; + cmdp++; + break; + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = true; + break; + } + } + if (errors || !gotdata) return usage_t55xx_write(); + + if (block > 7) { + PrintAndLog("Block number must be between 0 and 7"); + return 0; + } + + UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}}; + UsbCommand resp; + c.d.asBytes[0] = (page1) ? 0x2 : 0; + c.d.asBytes[0] |= (testMode) ? 0x4 : 0; + + 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; + } + 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 1; +} + +int CmdT55xxReadTrace(const char *Cmd) { + char cmdp = param_getchar(Cmd, 0); + bool pwdmode = false; + uint32_t password = 0; + if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') + return usage_t55xx_trace(); + + if (strlen(Cmd)==0) + if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) ) + return 0; + + if ( config.Q5 ) { + if (!DecodeT5555TraceBlock()) return 0; + } else { + if (!DecodeT55xxBlock()) return 0; + } + + if ( !DemodBufferLen ) return 0; + + RepaintGraphWindow(); + uint8_t repeat = (config.offset > 5) ? 32 : 0; + + uint8_t si = config.offset+repeat; + uint32_t bl1 = PackBits(si, 32, DemodBuffer); + uint32_t bl2 = PackBits(si+32, 32, DemodBuffer); + + if (config.Q5) { + uint32_t hdr = PackBits(si, 9, DemodBuffer); si += 9; + + if (hdr != 0x1FF) { + PrintAndLog("Invalid Q5 Trace data header (expected 0x1FF, found %X)", hdr); + return 0; + } + + t5555_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .icr = 0, .lotidc = '?', .lotid = 0, .wafer = 0, .dw =0}; + + data.icr = PackBits(si, 2, DemodBuffer); si += 2; + data.lotidc = 'Z' - PackBits(si, 2, DemodBuffer); si += 3; + + data.lotid = PackBits(si, 4, DemodBuffer); si += 5; + data.lotid <<= 4; + data.lotid |= PackBits(si, 4, DemodBuffer); si += 5; + data.lotid <<= 4; + data.lotid |= PackBits(si, 4, DemodBuffer); si += 5; + data.lotid <<= 4; + data.lotid |= PackBits(si, 4, DemodBuffer); si += 5; + data.lotid <<= 1; + data.lotid |= PackBits(si, 1, DemodBuffer); si += 1; + + data.wafer = PackBits(si, 3, DemodBuffer); si += 4; + data.wafer <<= 2; + data.wafer |= PackBits(si, 2, DemodBuffer); si += 2; + + data.dw = PackBits(si, 2, DemodBuffer); si += 3; + data.dw <<= 4; + data.dw |= PackBits(si, 4, DemodBuffer); si += 5; + data.dw <<= 4; + data.dw |= PackBits(si, 4, DemodBuffer); si += 5; + data.dw <<= 4; + data.dw |= PackBits(si, 4, DemodBuffer); si += 5; + + printT5555Trace(data, repeat); + + } else { + + t55x7_tracedata_t data = {.bl1 = bl1, .bl2 = bl2, .acl = 0, .mfc = 0, .cid = 0, .year = 0, .quarter = 0, .icr = 0, .lotid = 0, .wafer = 0, .dw = 0}; + + data.acl = PackBits(si, 8, DemodBuffer); si += 8; + if ( data.acl != 0xE0 ) { + PrintAndLog("The modulation is most likely wrong since the ACL is not 0xE0. "); + return 0; + } + + data.mfc = PackBits(si, 8, DemodBuffer); si += 8; + data.cid = PackBits(si, 5, DemodBuffer); si += 5; + data.icr = PackBits(si, 3, DemodBuffer); si += 3; + data.year = PackBits(si, 4, DemodBuffer); si += 4; + data.quarter = PackBits(si, 2, DemodBuffer); si += 2; + data.lotid = PackBits(si, 14, DemodBuffer); si += 14; + data.wafer = PackBits(si, 5, DemodBuffer); si += 5; + data.dw = PackBits(si, 15, DemodBuffer); + + time_t t = time(NULL); + struct tm tm = *localtime(&t); + if ( data.year > tm.tm_year-110) + data.year += 2000; + else + data.year += 2010; + + printT55x7Trace(data, repeat); + } + return 0; +} + +void printT55x7Trace( t55x7_tracedata_t data, uint8_t repeat ){ + PrintAndLog("-- T55x7 Trace Information ----------------------------------"); + PrintAndLog("-------------------------------------------------------------"); + PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", data.acl, data.acl); + PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d) - %s", data.mfc, data.mfc, getManufacturerName(data.mfc)); + PrintAndLog(" CID : 0x%02X (%d) - %s", data.cid, data.cid, GetModelStrFromCID(data.cid)); + PrintAndLog(" ICR IC Revision : %d", data.icr ); + PrintAndLog(" Manufactured"); + PrintAndLog(" Year/Quarter : %d/%d", data.year, data.quarter); + PrintAndLog(" Lot ID : %d", data.lotid ); + PrintAndLog(" Wafer number : %d", data.wafer); + PrintAndLog(" Die Number : %d", data.dw); + PrintAndLog("-------------------------------------------------------------"); + PrintAndLog(" Raw Data - Page 1"); + PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) ); + PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, 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 + */ +} + +void printT5555Trace( t5555_tracedata_t data, uint8_t repeat ){ + PrintAndLog("-- T5555 (Q5) Trace Information -----------------------------"); + PrintAndLog("-------------------------------------------------------------"); + PrintAndLog(" ICR IC Revision : %d", data.icr ); + PrintAndLog(" Lot : %c%d", data.lotidc, data.lotid); + PrintAndLog(" Wafer number : %d", data.wafer); + PrintAndLog(" Die Number : %d", data.dw); + PrintAndLog("-------------------------------------------------------------"); + PrintAndLog(" Raw Data - Page 1"); + PrintAndLog(" Block 1 : 0x%08X %s", data.bl1, sprint_bin(DemodBuffer+config.offset+repeat,32) ); + PrintAndLog(" Block 2 : 0x%08X %s", data.bl2, sprint_bin(DemodBuffer+config.offset+repeat+32,32) ); + + /* + ** Q5 ** + TRACE - BLOCK O and BLOCK1 + Bits Definition HEX + 1-9 Header 0x1FF + 10-11 IC Revision + 12-13 Lot ID char + 15-35 Lot ID (NB parity) + 36-41 Wafer number (NB parity) + 42-58 DW, die number sequential (NB parity) + 60-63 Parity bits + 64 Always zero + */ +} + +//need to add Q5 info... +int CmdT55xxInfo(const char *Cmd){ + /* + Page 0 Block 0 Configuration data. + Normal mode + Extended mode + */ + bool pwdmode = false; + uint32_t password = 0; + char cmdp = param_getchar(Cmd, 0); + + if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') + return usage_t55xx_info(); + + if (strlen(Cmd)==0) + if ( !AquireData( T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, pwdmode, password ) ) + return 1; + + if (!DecodeT55xxBlock()) return 1; + + // too little space to start with + 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; + + if (config.Q5) PrintAndLog("*** Warning *** Config Info read off a Q5 will not display as expected"); + PrintAndLog(""); + PrintAndLog("-- T55x7 Configuration & Tag Information --------------------"); + PrintAndLog("-------------------------------------------------------------"); + PrintAndLog(" Safer key : %s", GetSaferStr(safer)); + PrintAndLog(" reserved : %d", resv); + PrintAndLog(" Data bit rate : %s", GetBitRateStr(dbr, extend)); + 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){ + + uint32_t password = 0; + char cmdp = param_getchar(Cmd, 0); + bool override = false; + if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump(); + + bool usepwd = ( strlen(Cmd) > 0); + if ( usepwd ){ + password = param_get32ex(Cmd, 0, 0, 16); + if (param_getchar(Cmd, 1) =='o' ) + override = true; + } + + printT5xxHeader(0); + for ( uint8_t i = 0; i <8; ++i) + T55xxReadBlock(i, 0, usepwd, override, password); + + 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}}; + + clearCommandBuffer(); + SendCommand(&c); + if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) { + PrintAndLog("command execution time out"); + return 0; + } + getSamples(12000,true); + return 1; +} + +char * GetBitRateStr(uint32_t id, bool xmode) { + static char buf[25]; + + char *retStr = buf; + if (xmode) { //xmode bitrate calc is same as em4x05 calc + snprintf(retStr,sizeof(buf),"%d - RF/%d", id, EM4x05_GET_BITRATE(id)); + } else { + 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); + } + + return buf; +} + +char * GetModulationStr( uint32_t id){ + static char buf[60]; + char *retStr = buf; + + 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; +} + +char * GetModelStrFromCID(uint32_t cid){ + + static char buf[10]; + char *retStr = buf; + + 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; +} + +int CmdResetRead(const char *Cmd) { + UsbCommand c = {CMD_T55XX_RESET_READ, {0,0,0}}; + + clearCommandBuffer(); + SendCommand(&c); + if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) { + PrintAndLog("command execution time out"); + return 0; + } + + uint8_t got[BIGBUF_SIZE-1]; + GetFromBigBuf(got, sizeof(got), 0, NULL, -1 , 0); + setGraphBuf(got, sizeof(got)); + return 1; +} + +int CmdT55xxWipe(const char *Cmd) { + char writeData[20] = {0}; + char *ptrData = writeData; + + char cmdp = param_getchar(Cmd, 0); + if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_wipe(); + + bool Q5 = (cmdp == 'q' || cmdp == 'Q'); + + // Try with the default password to reset block 0 + // With a pwd should work even if pwd bit not set + PrintAndLog("\nBeginning Wipe of a T55xx tag (assuming the tag is not password protected)\n"); + + if ( Q5 ){ + snprintf(ptrData,sizeof(writeData),"b 0 d 6001F004 p 0"); + } else { + 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)) + PrintAndLog("Error writing blk %d", blk); + + memset(writeData, 0x00, sizeof(writeData)); + } + return 0; +} + +int CmdT55xxBruteForce(const char *Cmd) { + + // load a default pwd file. + char buf[9]; + char filename[FILE_PATH_SIZE]={0}; + int keycnt = 0; + int ch; + uint8_t stKeyBlock = 20; + uint8_t *keyBlock = NULL, *p = NULL; + 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(); + + keyBlock = calloc(stKeyBlock, 6); + if (keyBlock == NULL) return 1; + + 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((unsigned char)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); + fclose(f); + 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"); + free(keyBlock); + return 1; + } + PrintAndLog("Loaded %d keys", keycnt); + + // loop + uint64_t testpwd = 0x00; + for (uint16_t c = 0; c < keycnt; ++c ) { + + if (ukbhit()) { + ch = getchar(); + (void)ch; + printf("\naborted via keyboard!\n"); + free(keyBlock); + 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"); + free(keyBlock); + return 0; + } + + found = tryDetectModulation(); + + if ( found ) { + PrintAndLog("Found valid password: [%08X]", testpwd); + free(keyBlock); + return 0; + } + } + PrintAndLog("Password NOT found."); + free(keyBlock); + 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 ) { + free(keyBlock); + 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()) { + ch = getchar(); + (void)ch; + printf("\naborted via keyboard!\n"); + free(keyBlock); + return 0; + } + + if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, true, i)) { + PrintAndLog("Aquireing data from device failed. Quitting"); + free(keyBlock); + 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); + + free(keyBlock); + return 0; +} + +// note length of data returned is different for different chips. +// some return all page 1 (64 bits) and others return just that block (32 bits) +// unfortunately the 64 bits makes this more likely to get a false positive... +bool tryDetectP1(bool getData) { + uint8_t preamble[] = {1,1,1,0,0,0,0,0,0,0,0,1,0,1,0,1}; + size_t startIdx = 0; + uint8_t fc1 = 0, fc2 = 0, ans = 0; + int clk = 0, firstClockEdge = 0; + bool st = true; + + if ( getData ) { + if ( !AquireData(T55x7_PAGE1, 1, false, 0) ) + return false; + } + + // try fsk clock detect. if successful it cannot be any other type of modulation... (in theory...) + ans = fskClocks(&fc1, &fc2, (uint8_t *)&clk, false, &firstClockEdge); + if (ans && ((fc1==10 && fc2==8) || (fc1==8 && fc2==5))) { + if ( FSKrawDemod("0 0", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + if ( FSKrawDemod("0 1", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + return false; + } + + // try psk clock detect. if successful it cannot be any other type of modulation... (in theory...) + clk = GetPskClock("", false, false); + if (clk>0) { + // allow undo + // save_restoreGB(1); + // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise) + //CmdLtrim("160"); + if ( PSKDemod("0 0 6", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + //save_restoreGB(0); + return true; + } + if ( PSKDemod("0 1 6", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + //save_restoreGB(0); + return true; + } + // PSK2 - needs a call to psk1TOpsk2. + if ( PSKDemod("0 0 6", false)) { + psk1TOpsk2(DemodBuffer, DemodBufferLen); + if (preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + //save_restoreGB(0); + return true; + } + } // inverse waves does not affect PSK2 demod + //undo trim samples + //save_restoreGB(0); + // no other modulation clocks = 2 or 4 so quit searching + if (fc1 != 8) return false; + } + + // try ask clock detect. it could be another type even if successful. + clk = GetAskClock("", false, false); + if (clk>0) { + if ( ASKDemod_ext("0 0 1", false, false, 1, &st) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + st = true; + if ( ASKDemod_ext("0 1 1", false, false, 1, &st) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + if ( ASKbiphaseDemod("0 0 0 2", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + if ( ASKbiphaseDemod("0 0 1 2", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + } + + // try NRZ clock detect. it could be another type even if successful. + clk = GetNrzClock("", false, false); //has the most false positives :( + if (clk>0) { + if ( NRZrawDemod("0 0 1", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + if ( NRZrawDemod("0 1 1", false) && + preambleSearchEx(DemodBuffer,preamble,sizeof(preamble),&DemodBufferLen,&startIdx,false) && + (DemodBufferLen == 32 || DemodBufferLen == 64) ) { + return true; + } + } + return false; +} +// does this need to be a callable command? +int CmdT55xxDetectPage1(const char *Cmd){ + bool errors = false; + bool useGB = false; + bool usepwd = false; + uint32_t password = 0; + uint8_t cmdp = 0; + + while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { + switch(param_getchar(Cmd, cmdp)) { + case 'h': + case 'H': + return usage_t55xx_detectP1(); + 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_detectP1(); + + if ( !useGB ) { + if ( !AquireData(T55x7_PAGE1, 1, usepwd, password) ) + return false; + } + bool success = tryDetectP1(false); + if (success) PrintAndLog("T55xx chip found!"); + return success; } -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)"}, +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."}, + {"p1detect", CmdT55xxDetectPage1,1, "[1] Try detecting if this is a t55xx tag by reading page 1"}, + {"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, "[q] 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; }