X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/f4a57e861d88657e58ef01cb96ce732d588ca91f..03d73c0b8d3fdacfda8d5fbc696c28f39655db62:/client/cmdlft55xx.c?ds=sidebyside diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c index 4a1bdaa0..1b005d96 100644 --- a/client/cmdlft55xx.c +++ b/client/cmdlft55xx.c @@ -6,321 +6,1131 @@ //----------------------------------------------------------------------------- // Low frequency T55xx commands //----------------------------------------------------------------------------- - -#include -#include -#include -#include "proxmark3.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 "data.h" -#include "lfdemod.h" -#define LF_TRACE_BUFF_SIZE 20000 // 32 x 32 x 10 (32 bit times numofblock (7), times clock skip..) -#define LF_BITSSTREAM_LEN 1000 // more then 1000 bits shouldn't happend.. 8block * 4 bytes * 8bits = +// 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 "); - PrintAndLog(" , block number to read. Between 0-7"); - PrintAndLog(" , OPTIONAL password (8 hex characters)"); + 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(" sample: lf t55xx read 0 = try reading data from block 0"); - PrintAndLog(" : lf t55xx read 0 feedbeef = try reading data from block 0 using password"); + 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 wr [password]"); - PrintAndLog(" , block number to read. Between 0-7"); - PrintAndLog(" , 4 bytes of data to write (8 hex characters)"); - PrintAndLog(" [password], OPTIONAL password 4bytes (8 hex characters)"); + PrintAndLog("Usage: lf t55xx wr [b ] [d ] [p ] [1]"); + 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(""); - PrintAndLog(" sample: lf t55xx wd 3 11223344 = try writing data 11223344 to block 3"); - PrintAndLog(" : lf t55xx wd 3 11223344 feedbeef = try writing data 11223344 to block 3 using password feedbeef"); + 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 [graph buffer data]"); - PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag."); + PrintAndLog("Usage: lf t55xx trace [1]"); + PrintAndLog("Options:"); + PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag."); PrintAndLog(""); - PrintAndLog(" sample: lf t55xx trace"); - PrintAndLog(" : lf t55xx trace 1"); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx trace"); + PrintAndLog(" lf t55xx trace 1"); PrintAndLog(""); return 0; } int usage_t55xx_info() { - PrintAndLog("Usage: lf t55xx info [graph buffer data]"); - PrintAndLog(" [graph buffer data], if set, use Graphbuffer otherwise read data from tag."); + PrintAndLog("Usage: lf t55xx info [1]"); + PrintAndLog("Options:"); + PrintAndLog(" 1 - if set, use Graphbuffer otherwise read data from tag."); PrintAndLog(""); - PrintAndLog(" sample: lf t55xx info"); - PrintAndLog(" : lf t55xx info 1"); + 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 characters)"); + 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(" sample: lf t55xx dump"); - PrintAndLog(" : lf t55xx dump feedbeef"); + 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_wakup(){ + PrintAndLog("Usage: lf t55xx wakeup [h] p "); + PrintAndLog("This commands send the Answer-On-Request command and leaves the readerfield ON afterwards."); + PrintAndLog("Options:"); + PrintAndLog(" h - this help"); + PrintAndLog(" p - password 4bytes (8 hex symbols)"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx wakeup p 11223344 - send wakeup password"); + return 0; +} +int usage_t55xx_bruteforce(){ + PrintAndLog("This command uses A) bruteforce to scan a number range"); + PrintAndLog(" B) a dictionary attack"); + PrintAndLog("press 'enter' to cancel the command"); + PrintAndLog("Usage: lf t55xx bruteforce [h] [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_recoverpw(){ + PrintAndLog("This command uses a few tricks to try to recover mangled password"); + PrintAndLog("press 'enter' to cancel the command"); + PrintAndLog("WARNING: this may brick non-password protected chips!"); + PrintAndLog("Usage: lf t55xx recoverpw [password]"); + PrintAndLog(" password must be 4 bytes (8 hex symbols)"); + PrintAndLog(" default password is 51243648, used by many cloners"); + PrintAndLog("Options:"); + PrintAndLog(" h - this help"); + PrintAndLog(" [password] - 4 byte hex value of password written by cloner"); + PrintAndLog(""); + PrintAndLog("Examples:"); + PrintAndLog(" lf t55xx recoverpw"); + PrintAndLog(" lf t55xx recoverpw 51243648"); + 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); -int CmdReadBlk(const char *Cmd) -{ - int i = 0; - int block = -1; - int password = 0xFFFFFFFF; //default to blank Block 7 - size_t bitlen = 0; - uint32_t blockData = 0; - uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00}; - - char cmdp = param_getchar(Cmd, 0); - if (cmdp == 'h' || cmdp == 'H') { - usage_t55xx_read(); - return 0; - } +void printT5xxHeader(uint8_t page){ + PrintAndLog("Reading Page %d:", page); + PrintAndLog("blk | hex data | binary | ascii"); + PrintAndLog("----+----------+----------------------------------+-------"); +} - int res = sscanf(Cmd, "%d %x", &block, &password); +int CmdT55xxSetConfig(const char *Cmd) { - if ( res < 1 || res > 2 ){ - usage_t55xx_read(); - return 1; + uint8_t offset = 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}; + 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); + 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; + 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; + } } - - 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; + // No args + if (cmdp == 0) return printConfiguration( config ); + + //Validations + if (errors) return usage_t55xx_config(); + config.block0 = 0; + return printConfiguration ( config ); +} + +int T55xxReadBlock(uint8_t block, bool page1, bool usepwd, bool override, uint32_t password){ //Password mode - if ( res == 2 ) { - c.arg[2] = password; - c.d.asBytes[0] = 0x1; + 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"); + } } - SendCommand(&c); - if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) { - PrintAndLog("command execution time out"); - return 2; + if (!AquireData(page1, block, usepwd, password) ) return 0; + if (!DecodeT55xxBlock()) return 0; + + char blk[10]={0}; + sprintf(blk,"%02d", block); + printT55xxBlock(blk); + return 1; +} + +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; + } } - - uint8_t got[12000]; - GetFromBigBuf(got,sizeof(got),0); - WaitForResponse(CMD_ACK,NULL); + if (errors) return usage_t55xx_read(); - setGraphBuf(got, 12000); - - bitlen = getFromGraphBuf(bits); + 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); +} + +bool DecodeT55xxBlock(){ + + char buf[30] = {0x00}; + char *cmdStr = buf; int ans = 0; - ans = CmdFSKrawdemod(""); - ans = CmdFSKrawdemod("1"); //invert? - ans = Cmdaskmandemod(""); - ans = Cmdaskrawdemod(""); - ans = CmdNRZrawDemod(""); - ans = CmdPSK1rawDemod(""); - ans = CmdPSK2rawDemod(""); - - // if ( !tryDemod(bits, bitlen) ) - // return 3; - - // //move bits back to DemodBuffer - // setDemodBuf(bits, bitlen, 0); - // printBitStream(bits, bitlen); - if ( !DemodBufferLen) + 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(1); + CmdLtrim("160"); + snprintf(cmdStr, sizeof(buf),"%d %d 6", bitRate[config.bitrate], config.inverted ); + ans = PSKDemod(cmdStr, FALSE); + //undo trim samples + save_restoreGB(0); + 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(1); + CmdLtrim("160"); + snprintf(cmdStr, sizeof(buf),"%d 0 6", bitRate[config.bitrate] ); + ans = PSKDemod(cmdStr, FALSE); + psk1TOpsk2(DemodBuffer, DemodBufferLen); + //undo trim samples + save_restoreGB(0); + 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; +} + +bool DecodeT5555TraceBlock() { + DemodBufferLen = 0x00; + + // According to datasheet. Always: RF/64, not inverted, Manchester + return (bool) ASKDemod("64 0 1", FALSE, FALSE, 1); +} + +// sanity check. Don't use proxmark if it is offline and you didn't specify useGraphbuf +static int SanityOfflineCheck( bool useGraphBuffer ){ + if ( !useGraphBuffer && offline) { + PrintAndLog("Your proxmark3 device is offline. Specify [1] to use graphbuffer data instead"); return 0; + } + return 1; +} + +int CmdT55xxDetect(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_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(); - for (;i0) { + tests[hits].ST = TRUE; + // "0 0 1 " == clock auto, invert false, maxError 1. + // false = no verbose + // false = no emSearch + // 1 = Ask/Man + // 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; + // "0 0 1 " == clock auto, invert true, maxError 1. + // false = no verbose + // false = no emSearch + // 1 = Ask/Man + // 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; + } + } + //undo trim from ask + //save_restoreGB(0); + clk = GetNrzClock("", FALSE, FALSE); + if (clk>0) { + if ( NRZrawDemod("0 0 1", FALSE) && test(DEMOD_NRZ, &tests[hits].offset, &bitRate, clk, &tests[hits].Q5)) { + 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; + } + + 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; + } + } + + // allow undo + // skip first 160 samples to allow antenna to settle in (psk gets inverted occasionally otherwise) + save_restoreGB(1); + CmdLtrim("160"); + clk = GetPskClock("", FALSE, FALSE); + if (clk>0) { + if ( PSKDemod("0 0 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(0); + } + 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; + } + + bool retval = FALSE; + if ( hits > 1) { + PrintAndLog("Found [%d] possible matches for modulation.",hits); + for(int i=0; i= 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; +} -FSK2 / FSK2a -size = fskdemod(dest, size, 32, 0, 10, 8); // fsk2 RF/32 -size = fskdemod(dest, size, 32, 1, 10, 8); // fsk2a RF/32 -size = fskdemod(dest, size, 50, 1, 10, 8); // fsk2a RF/50 -size = fskdemod(dest, size, 64, 1, 10, 8); // FSK2a RF/64 +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; +} -PSK1 -errCnt = pskRawDemod(bits, &bitlen, 32, 0); -*/ -bool tryDemod(uint8_t bits[], size_t bitlen) { - - int invert = 0; - int clk = 0; - int errCnt, size; - int maxErr = 100; - uint8_t rflen, fchigh, fclow, dummy = 0; - uint16_t fcs=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; - // ASK - manchester demod - errCnt = askmandemod(bits, &bitlen, &clk, &invert, maxErr); - if ( analyseDemod(errCnt, bitlen, clk, invert) ) - return true; + return -1; +} + +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 = 28; idx < 64; idx++){ + si = idx; + if ( PackBits(si, 28, DemodBuffer) == 0x00 ) continue; - // FSK demod - fcs = countFC(bits, bitlen, &dummy); - if (fcs == 0){ - fchigh = 10; - fclow = 8; - }else{ - fchigh = (fcs >> 8) & 0xFF; - fclow = fcs & 0xFF; + 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; } - //get bit clock length - rflen = detectFSKClk(bits, bitlen, fchigh, fclow); - rflen = (rflen == 0) ? 50 : rflen; + 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; - size = fskdemod(bits, bitlen, rflen, invert, fchigh, fclow); - if ( analyseDemod(size, bitlen, clk, invert) ) - return true; - - // PSK demod return false; } -bool analyseDemod( int errCnt, size_t bitlen, uint8_t clock, uint8_t invert){ - if (g_debugMode) - PrintAndLog("ErrorCount: %d, Bits Found: %d, Clock: %d, invert: %d", errCnt, bitlen, clock, invert); - //PrintAndLog("Args invert: %d - Clock:%d - fchigh:%d - fclow: %d",invert,rfLen,fchigh, fclow); - - //throw away static - allow 1 and -1 (in case of threshold command first) - if ( errCnt == -1 || bitlen < 32 ){ - PrintAndLog("no success demod"); - 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; + + 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 (xtRate) continue; //nml01 || nml02 || caused issues on noralys tags + } + //test modulation + if (!testModulation(mode, modread)) 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 true; + return FALSE; } -int CmdWriteBlk(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 +void printT55xxBlock(const char *blockNum){ - char cmdp = param_getchar(Cmd, 0); - if (cmdp == 'h' || cmdp == 'H') { - usage_t55xx_write(); - return 0; + 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; } - - int res = sscanf(Cmd, "%d %x %x",&block, &data, &password); + + for (; i < endpos; ++i) + bits[i - config.offset] = DemodBuffer[i]; + + blockData = PackBits(0, 32, bits); + uint8_t bytes[4] = {0}; + num_to_bytes(blockData, 4, bytes); + + PrintAndLog(" %s | %08X | %s | %s", blockNum, blockData, sprint_bin(bits,32), sprint_ascii(bytes,4)); +} + +int special(const char *Cmd) { + uint32_t blockData = 0; + uint8_t bits[32] = {0x00}; + + PrintAndLog("OFFSET | DATA | BINARY | ASCII"); + PrintAndLog("-------+-------+-------------------------------------+------"); + int i,j = 0; + for (; j < 64; ++j){ + + for (i = 0; i < 32; ++i) + bits[i]=DemodBuffer[j+i]; - if ( res < 2 || res > 3) { - usage_t55xx_write(); - return 1; + 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) ); + 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; + uint8_t cmdp = 0; + bool errors = false; + while(param_getchar(Cmd, cmdp) != 0x00 && !errors) { + switch(param_getchar(Cmd, cmdp)) { + case 'h': + case 'H': + return usage_t55xx_wakup(); + case 'p': + case 'P': + password = param_get32ex(Cmd, cmdp+1, 0, 16); + cmdp += 2; + errors = false; + break; + default: + PrintAndLog("Unknown parameter '%c'", param_getchar(Cmd, cmdp)); + errors = true; + break; + } + } + if (errors) return usage_t55xx_wakup(); + + 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 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 '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 must be between 0 and 7"); - return 1; + PrintAndLog("Block number must be between 0 and 7"); + return 0; } UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}}; - c.d.asBytes[0] = 0x0; + UsbCommand resp; + c.d.asBytes[0] = (page1) ? 0x2 : 0; - PrintAndLog("Writing to T55x7"); - PrintAndLog("block : %d", block); - PrintAndLog("data : 0x%08X", 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 (res == 3) { + if (usepwd) { c.arg[2] = password; - c.d.asBytes[0] = 0x1; - PrintAndLog("pwd : 0x%08X", password); + c.d.asBytes[0] |= 0x1; } + clearCommandBuffer(); SendCommand(&c); - return 0; + if (!WaitForResponseTimeout(CMD_ACK, &resp, 1500)){ + PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)"); + return 0; + } + return 1; } -int CmdReadTrace(const char *Cmd) -{ - size_t bitlen; - uint8_t bits[MAX_GRAPH_TRACE_LEN] = {0x00}; - +int CmdT55xxReadTrace(const char *Cmd) { char cmdp = param_getchar(Cmd, 0); - - if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') { - usage_t55xx_trace(); - return 0; + bool pwdmode = false; + uint32_t password = 0; + if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_trace(); + + if (strlen(Cmd)==0) { + // sanity check. + if (!SanityOfflineCheck(FALSE)) return 1; + + if ( !AquireData( T55x7_PAGE1, REGULAR_READ_MODE_BLOCK, pwdmode, password ) ) + return 1; } - if ( strlen(Cmd)==0){ + if ( config.Q5 ){ + if (!DecodeT5555TraceBlock()) return 1; + } else { + if (!DecodeT55xxBlock()) return 1; + } - UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}}; - SendCommand(&c); - if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) { - PrintAndLog("command execution time out"); - return 1; + if ( !DemodBufferLen ) return 1; + + 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 1; } - //darn - //CmdSamples("12000"); - } + + 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; - bitlen = getFromGraphBuf(bits); + 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 1; + } + 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); - RepaintGraphWindow(); + time_t t = time(NULL); + struct tm tm = *localtime(&t); + if ( data.year > tm.tm_year-110) + data.year += 2000; + else + data.year += 2010; - uint8_t si = 5; - uint32_t bl0 = PackBits(si, 32, bits); - uint32_t bl1 = PackBits(si+32, 32, bits); - - uint32_t acl = PackBits(si, 8, bits); si += 8; - uint32_t mfc = PackBits(si, 8, bits); si += 8; - uint32_t cid = PackBits(si, 5, bits); si += 5; - uint32_t icr = PackBits(si, 3, bits); si += 3; - uint32_t year = PackBits(si, 4, bits); si += 4; - uint32_t quarter = PackBits(si, 2, bits); si += 2; - uint32_t lotid = PackBits(si, 12, bits); si += 12; - uint32_t wafer = PackBits(si, 5, bits); si += 5; - uint32_t dw = PackBits(si, 15, bits); - - PrintAndLog(""); - PrintAndLog("-- T55xx Trace Information ----------------------------------"); + 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)", acl, acl); - PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d)", mfc, mfc); - PrintAndLog(" CID : 0x%02X (%d)", cid, cid); - PrintAndLog(" ICR IC Revision : %d",icr ); + 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, getTagInfo(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",2000+year, quarter ); - PrintAndLog(" Lot ID : %d", lotid ); - PrintAndLog(" Wafer number : %d", wafer); - PrintAndLog(" Die Number : %d", dw); + 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 0 : 0x%08X %s", bl0, sprint_bin(bits+5,32) ); - PrintAndLog(" Block 0 : 0x%08X %s", bl1, sprint_bin(bits+37,32) ); - PrintAndLog("-------------------------------------------------------------"); + 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 @@ -337,266 +1147,599 @@ int CmdReadTrace(const char *Cmd) 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) ); - return 0; + /* + ** 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 + */ } -int CmdInfo(const char *Cmd){ +//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') { - usage_t55xx_info(); - return 0; - } else { - CmdReadBlk("0"); - } - - uint8_t bits[LF_BITSSTREAM_LEN] = {0x00}; - - manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN); - - uint8_t si = 5; - uint32_t bl0 = PackBits(si, 32, bits); - - uint32_t safer = PackBits(si, 4, bits); si += 4; - uint32_t resv = PackBits(si, 7, bits); si += 7; - uint32_t dbr = PackBits(si, 3, bits); si += 3; - uint32_t extend = PackBits(si, 1, bits); si += 1; - uint32_t datamodulation = PackBits(si, 5, bits); si += 5; - uint32_t pskcf = PackBits(si, 2, bits); si += 2; - uint32_t aor = PackBits(si, 1, bits); si += 1; - uint32_t otp = PackBits(si, 1, bits); si += 1; - uint32_t maxblk = PackBits(si, 3, bits); si += 3; - uint32_t pwd = PackBits(si, 1, bits); si += 1; - uint32_t sst = PackBits(si, 1, bits); si += 1; - uint32_t fw = PackBits(si, 1, bits); si += 1; - uint32_t inv = PackBits(si, 1, bits); si += 1; - uint32_t por = PackBits(si, 1, bits); si += 1; + if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') return usage_t55xx_info(); + + if (strlen(Cmd)==0){ + // sanity check. + if (!SanityOfflineCheck(FALSE)) return 1; + 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; + + // + PrintAndLog("Offset+32 ==%d\n DemodLen == %d", config.offset + 32,DemodBufferLen ); + + 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("-- T55xx Configuration & Tag Information --------------------"); + PrintAndLog("-- T55x7 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(datamodulation) ); - PrintAndLog(" PSK clock freq : %d", pskcf); + 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(" 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(bits+5,32) ); + PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(DemodBuffer+config.offset,32) ); PrintAndLog("-------------------------------------------------------------"); return 0; } -int CmdDump(const char *Cmd){ +int CmdT55xxDump(const char *Cmd){ - char s[20] = {0x00}; - uint8_t pwd[4] = {0x00}; + uint32_t password = 0; + bool override = false; + char cmdp = param_getchar(Cmd, 0); + if ( cmdp == 'h' || cmdp == 'H') return usage_t55xx_dump(); - char cmdp = param_getchar(Cmd, 0); - if ( cmdp == 'h' || cmdp == 'H') { - usage_t55xx_dump(); - return 0; - } - - bool hasPwd = ( strlen(Cmd) > 0); - if ( hasPwd ){ - if (param_gethex(Cmd, 0, pwd, 8)) { - PrintAndLog("password must include 8 HEX symbols"); - return 1; - } + bool usepwd = ( strlen(Cmd) > 0); + if ( usepwd ){ + password = param_get32ex(Cmd, 0, 0, 16); + if (param_getchar(Cmd, 1) =='o' ) + override = true; } - 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); - } - CmdReadBlk(s); - } - return 0; -} + printT5xxHeader(0); + for ( uint8_t i = 0; i < 8; ++i) + T55xxReadBlock(i, 0, usepwd, override, password); -int CmdIceFsk(const char *Cmd){ + printT5xxHeader(1); + for ( uint8_t i = 0; i < 4; i++) + T55xxReadBlock(i, 1, usepwd, override, password); - if (!HasGraphData()) return 0; - - iceFsk3(GraphBuffer, LF_TRACE_BUFF_SIZE); - RepaintGraphWindow(); - return 0; + return 1; } -int CmdIceManchester(const char *Cmd){ - ManchesterDemod( -1); - return 0; -} -int ManchesterDemod(int blockNum){ - if (!HasGraphData()) return 0; - - uint8_t sizebyte = 32; - // the value 5 was selected during empirical studies of the decoded data. Some signal noise to skip. - uint8_t offset = 5; - uint32_t blockData; - uint8_t bits[LF_BITSSTREAM_LEN] = {0x00}; - uint8_t * bitstream = bits; - - manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bits, LF_BITSSTREAM_LEN); - blockData = PackBits(offset, sizebyte, bits); - - if ( blockNum < 0) - PrintAndLog(" Decoded : 0x%08X %s", blockData, sprint_bin(bitstream+offset,sizebyte) ); - else - PrintAndLog(" Block %d : 0x%08X %s", blockNum, blockData, sprint_bin(bitstream+offset,sizebyte) ); - - return 0; -} +int AquireData( uint8_t page, uint8_t block, bool pwdmode, uint32_t password ){ + // arg0 bitmodes: + // bit0 = pwdmode + // bit1 = page to read from + // arg1: which block to read + // arg2: password + 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; + } + + //uint8_t got[12288]; + uint8_t got[7679]; + GetFromBigBuf(got, sizeof(got), 0); + if ( !WaitForResponseTimeout(CMD_ACK, NULL, 8000) ) { + PrintAndLog("command execution time out"); + return 0; + } + setGraphBuf(got, sizeof(got)); + return 1; +} char * GetBitRateStr(uint32_t id){ - static char buf[40]; + static char buf[25]; + char *retStr = buf; switch (id){ - case 0: - sprintf(retStr,"%d - RF/8",id); - break; - case 1: - sprintf(retStr,"%d - RF/16",id); - break; - case 2: - sprintf(retStr,"%d - RF/32",id); - break; - case 3: - sprintf(retStr,"%d - RF/40",id); - break; - case 4: - sprintf(retStr,"%d - RF/50",id); - break; - case 5: - sprintf(retStr,"%d - RF/64",id); - break; - case 6: - sprintf(retStr,"%d - RF/100",id); - break; - case 7: - sprintf(retStr,"%d - RF/128",id); - break; - default: - sprintf(retStr,"%d - (Unknown)",id); - break; + 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]; + static char buf[40]; char *retStr = buf; - sprintf(retStr,"%d",id); + snprintf(retStr,sizeof(buf),"%d",id); if (id == 6) { - sprintf(retStr,"%d - pasdwd",id); + snprintf(retStr,sizeof(buf),"%d - passwd",id); } if (id == 9 ){ - sprintf(retStr,"%d - testmode ",id); + snprintf(retStr,sizeof(buf),"%d - testmode",id); } return buf; } + char * GetModulationStr( uint32_t id){ - static char buf[40]; + static char buf[60]; char *retStr = buf; switch (id){ - case 0: - sprintf(retStr,"%d - DIRECT (ASK/NRZ)",id); - break; - case 1: - sprintf(retStr,"%d - PSK 1 phase change when input changes",id); - break; - case 2: - sprintf(retStr,"%d - PSK 2 phase change on bitclk if input high",id); - break; - case 3: - sprintf(retStr,"%d - PSK 3 phase change on rising edge of input",id); - break; - case 4: - sprintf(retStr,"%d - FSK 1 RF/8 RF/5",id); - break; - case 5: - sprintf(retStr,"%d - FSK 2 RF/8 RF/10",id); - break; - case 6: - sprintf(retStr,"%d - FSK 1a RF/5 RF/8",id); - break; - case 7: - sprintf(retStr,"%d - FSK 2a RF/10 RF/8",id); - break; - case 8: - sprintf(retStr,"%d - Manschester",id); - break; - case 16: - sprintf(retStr,"%d - Biphase",id); - break; - case 17: - sprintf(retStr,"%d - Reserved",id); - break; - default: - sprintf(retStr,"0x%02X (Unknown)",id); - break; + 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; } +void t55x7_create_config_block( int tagtype ){ -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) { + 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; + case 2: snprintf(retStr, sizeof(buf),"%08X - T5555 Q5 Default", T5555_DEFAULT_CONFIG_BLOCK); break; + default: + break; + } + PrintAndLog(buf); +} + +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; } - uint32_t tmp = 0; - for (; j >= 0; --j, ++i){ - tmp |= bits[i] << j; + + uint8_t got[BIGBUF_SIZE-1]; + GetFromBigBuf(got,sizeof(got),0); + WaitForResponse(CMD_ACK,NULL); + setGraphBuf(got, sizeof(got)); + return 1; +} +// ADD T5555 (Q5) Default config block +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 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,0x00, sizeof(writeData)); } - return tmp; + return 0; } -static command_t CommandTable[] = -{ - {"help", CmdHelp, 1, "This help"}, - {"read", CmdReadBlk, 0, " [password] -- Read T55xx block data (page 0) [optional password]"}, - {"write", CmdWriteBlk, 0, " [password] -- Write T55xx block data (page 0) [optional password]"}, - {"trace", CmdReadTrace, 0, "[1] Read T55xx traceability data (page 1/ blk 0-1)"}, - {"info", CmdInfo, 0, "[1] Read T55xx configuration data (page 0/ blk 0)"}, - {"dump", CmdDump, 0, "[password] Dump T55xx card block 0-7. [optional password]"}, - {NULL, NULL, 0, NULL} +bool IsCancelled(void) { + if (ukbhit()) { + int ch = getchar(); + (void)ch; + printf("\naborted via keyboard!\n"); + return TRUE; + } + return FALSE; +} + +int CmdT55xxBruteForce(const char *Cmd) { + + // load a default pwd file. + char line[9]; + char filename[FILE_PATH_SIZE]={0}; + int keycnt = 0; + 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; + + memset(line, 0, sizeof(line)); + + char cmdp = param_getchar(Cmd, 0); + if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_bruteforce(); + + keyBlock = calloc(stKeyBlock, 4); + 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(line, sizeof(line), f) ){ + if (strlen(line) < 8 || line[7] == '\n') continue; + + //goto next line + while (fgetc(f) != '\n' && !feof(f)) ; + + //The line start with # is comment, skip + if( line[0]=='#' ) continue; + + if (!isxdigit(line[0])) { + PrintAndLog("File content error. '%s' must include 8 HEX symbols", line); + continue; + } + + line[8] = 0; + + // realloc keyblock array size. + if ( stKeyBlock - keycnt < 2) { + p = realloc(keyBlock, 4 * (stKeyBlock += 10)); + if (!p) { + PrintAndLog("Cannot allocate memory for defaultKeys"); + free(keyBlock); + if (f) + fclose(f); + return 2; + } + keyBlock = p; + } + // clear mem + memset(keyBlock + 4 * keycnt, 0, 4); + + num_to_bytes( strtoll(line, NULL, 16), 4, keyBlock + 4*keycnt); + + PrintAndLog("chk custom pwd[%2d] %08X", keycnt, bytes_to_num(keyBlock + 4 * keycnt, 4) ); + keycnt++; + memset(line, 0, sizeof(line)); + } + if (f) + 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 ( offline ) { + printf("Device offline\n"); + free(keyBlock); + return 2; + } + + if (IsCancelled()) { + 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("Acquire 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 (IsCancelled()) { + free(keyBlock); + return 0; + } + + if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, i)) { + PrintAndLog("Acquire 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; +} + +int tryOnePassword(uint32_t password) { + PrintAndLog("Trying password %08x", password); + if (!AquireData(T55x7_PAGE0, T55x7_CONFIGURATION_BLOCK, TRUE, password)) { + PrintAndLog("Acquire data from device failed. Quitting"); + return -1; + } + + if (tryDetectModulation()) + return 1; + else + return 0; +} + +int CmdT55xxRecoverPW(const char *Cmd) { + int bit = 0; + uint32_t orig_password = 0x0; + uint32_t curr_password = 0x0; + uint32_t prev_password = 0xffffffff; + uint32_t mask = 0x0; + int found = 0; + char cmdp = param_getchar(Cmd, 0); + if (cmdp == 'h' || cmdp == 'H') return usage_t55xx_recoverpw(); + + orig_password = param_get32ex(Cmd, 0, 0x51243648, 16); //password used by handheld cloners + + // first try fliping each bit in the expected password + while (bit < 32) { + curr_password = orig_password ^ ( 1 << bit ); + found = tryOnePassword(curr_password); + if (found == -1) return 0; + bit++; + + if (IsCancelled()) return 0; + } + + // now try to use partial original password, since block 7 should have been completely + // erased during the write sequence and it is possible that only partial password has been + // written + // not sure from which end the bit bits are written, so try from both ends + // from low bit to high bit + bit = 0; + while (bit < 32) { + mask += ( 1 << bit ); + curr_password = orig_password & mask; + // if updated mask didn't change the password, don't try it again + if (prev_password == curr_password) { + bit++; + continue; + } + found = tryOnePassword(curr_password); + if (found == -1) return 0; + bit++; + prev_password = curr_password; + + if (IsCancelled()) return 0; + } + + // from high bit to low + bit = 0; + mask = 0xffffffff; + while (bit < 32) { + mask -= ( 1 << bit ); + curr_password = orig_password & mask; + // if updated mask didn't change the password, don't try it again + if (prev_password == curr_password) { + bit++; + continue; + } + found = tryOnePassword(curr_password); + if (found == -1) + return 0; + bit++; + prev_password = curr_password; + + if (IsCancelled()) return 0; + } + + PrintAndLog(""); + + if (found == 1) + PrintAndLog("Found valid password: [%08x]", curr_password); + else + PrintAndLog("Password NOT found."); + + return 0; +} + +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."}, + {"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)"}, + {"recoverpw", CmdT55xxRecoverPW, 0, "[password] Try to recover from bad password write from a cloner. Only use on PW protected chips!"}, + {"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, "[q] 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) -{ - CmdsParse(CommandTable, Cmd); - return 0; +int CmdLFT55XX(const char *Cmd) { + clearCommandBuffer(); + CmdsParse(CommandTable, Cmd); + return 0; } -int CmdHelp(const char *Cmd) -{ - CmdsHelp(CommandTable); - return 0; +int CmdHelp(const char *Cmd) { + CmdsHelp(CommandTable); + return 0; }