//----------------------------------------------------------------------------- // // This code is licensed to you under the terms of the GNU GPL, version 2 or, // at your option, any later version. See the LICENSE.txt file for the text of // the license. //----------------------------------------------------------------------------- // 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" #define LF_TRACE_BUFF_SIZE 12000 // 32 x 32 x 10 (32 bit times numofblock (7), times clock skip..) static int CmdHelp(const char *Cmd); int CmdReadBlk(const char *Cmd) { int Block = -1; sscanf(Cmd, "%d", &Block); if ((Block > 7) | (Block < 0)) { PrintAndLog("Block must be between 0 and 7"); return 1; } UsbCommand c; c.cmd = CMD_T55XX_READ_BLOCK; c.d.asBytes[0] = 0x00; c.arg[0] = 0; c.arg[1] = Block; c.arg[2] = 0; SendCommand(&c); WaitForResponse(CMD_ACK, NULL); // uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00}; // GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset.. // WaitForResponseTimeout(CMD_ACK,NULL, 1500); // for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { // GraphBuffer[j] = (int)data[j]; // } // GraphTraceLen = LF_TRACE_BUFF_SIZE; CmdSamples("12000"); ManchesterDemod(Block); // RepaintGraphWindow(); return 0; } int CmdReadBlkPWD(const char *Cmd) { int Block = -1; //default to invalid block int Password = 0xFFFFFFFF; //default to blank Block 7 UsbCommand c; sscanf(Cmd, "%d %x", &Block, &Password); if ((Block > 7) | (Block < 0)) { PrintAndLog("Block must be between 0 and 7"); return 1; } PrintAndLog("Reading page 0 block %d pwd %08X", Block, Password); c.cmd = CMD_T55XX_READ_BLOCK; c.d.asBytes[0] = 0x1; //Password mode c.arg[0] = 0; c.arg[1] = Block; c.arg[2] = Password; SendCommand(&c); WaitForResponse(CMD_ACK, NULL); uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00}; GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset.. WaitForResponseTimeout(CMD_ACK,NULL, 1500); for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { GraphBuffer[j] = ((int)data[j]); } GraphTraceLen = LF_TRACE_BUFF_SIZE; ManchesterDemod(Block); RepaintGraphWindow(); return 0; } int CmdWriteBlk(const char *Cmd) { int Block = 8; //default to invalid block int Data = 0xFFFFFFFF; //default to blank Block UsbCommand c; sscanf(Cmd, "%x %d", &Data, &Block); if (Block > 7) { PrintAndLog("Block must be between 0 and 7"); return 1; } PrintAndLog("Writting block %d with data %08X", Block, Data); c.cmd = CMD_T55XX_WRITE_BLOCK; c.d.asBytes[0] = 0x0; //Normal mode c.arg[0] = Data; c.arg[1] = Block; c.arg[2] = 0; SendCommand(&c); return 0; } 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; sscanf(Cmd, "%x %d %x", &Data, &Block, &Password); if (Block > 7) { PrintAndLog("Block must be between 0 and 7"); return 1; } PrintAndLog("Writting block %d with data %08X and password %08X", Block, Data, Password); c.cmd = CMD_T55XX_WRITE_BLOCK; c.d.asBytes[0] = 0x1; //Password mode c.arg[0] = Data; c.arg[1] = Block; c.arg[2] = Password; SendCommand(&c); return 0; } int CmdReadTrace(const char *Cmd) { char cmdp = param_getchar(Cmd, 0); if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') { PrintAndLog("Usage: lf t55xx trace [use data from Graphbuffer]"); PrintAndLog(" [use data from Graphbuffer], if not set, try reading data from tag."); PrintAndLog(""); PrintAndLog(" sample: lf t55xx trace"); PrintAndLog(" sample: lf t55xx trace 1"); return 0; } if ( strlen(Cmd)==0){ UsbCommand c = {CMD_T55XX_READ_TRACE, {0, 0, 0}}; SendCommand(&c); WaitForResponse(CMD_ACK, NULL); uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00}; GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset.. WaitForResponseTimeout(CMD_ACK,NULL, 1500); for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) { GraphBuffer[j] = ((int)data[j]); } GraphTraceLen = LF_TRACE_BUFF_SIZE; } uint8_t bits[1000] = {0x00}; uint8_t * bitstream = bits; manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream); RepaintGraphWindow(); uint8_t si = 5; uint32_t bl0 = PackBits(si, 32, bitstream); uint32_t bl1 = PackBits(si+32, 32, bitstream); uint32_t acl = PackBits(si, 8, bitstream); si += 8; uint32_t mfc = PackBits(si, 8, bitstream); si += 8; uint32_t cid = PackBits(si, 5, bitstream); si += 5; uint32_t icr = PackBits(si, 3, bitstream); si += 3; uint32_t year = PackBits(si, 4, bitstream); si += 4; uint32_t quarter = PackBits(si, 2, bitstream); si += 2; uint32_t lotid = PackBits(si, 12, bitstream); si += 12; uint32_t wafer = PackBits(si, 5, bitstream); si += 5; uint32_t dw = PackBits(si, 15, bitstream); PrintAndLog(""); PrintAndLog("-- T55xx Trace Information ----------------------------------"); PrintAndLog("-------------------------------------------------------------"); PrintAndLog(" ACL Allocation class (ISO/IEC 15963-1) : 0x%02X (%d)", acl, acl); PrintAndLog(" MFC Manufacturer ID (ISO/IEC 7816-6) : 0x%02X (%d)", mfc, mfc); PrintAndLog(" CID : 0x%02X (%d)", cid, cid); PrintAndLog(" ICR IC Revision : %d",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("-------------------------------------------------------------"); PrintAndLog(" Raw Data - Page 1"); PrintAndLog(" Block 0 : 0x%08X %s", bl0, sprint_bin(bitstream+5,32) ); PrintAndLog(" Block 0 : 0x%08X %s", bl1, sprint_bin(bitstream+37,32) ); PrintAndLog("-------------------------------------------------------------"); /* TRACE - BLOCK O Bits Definition HEX 1-8 ACL Allocation class (ISO/IEC 15963-1) 0xE0 9-16 MFC Manufacturer ID (ISO/IEC 7816-6) 0x15 Atmel Corporation 17-21 CID 0x1 = Atmel ATA5577M1 0x2 = Atmel ATA5577M2 22-24 ICR IC revision 25-28 YEAR (BCD encoded) 9 (= 2009) 29-30 QUARTER 1,2,3,4 31-32 LOT ID TRACE - BLOCK 1 1-12 LOT ID 13-17 Wafer number 18-32 DW, die number sequential */ return 0; } int CmdInfo(const char *Cmd){ /* Page 0 Block 0 Configuration data. Normal mode Extended mode */ char cmdp = param_getchar(Cmd, 0); if (strlen(Cmd) > 1 || cmdp == 'h' || cmdp == 'H') { PrintAndLog("Usage: lf t55xx info [use data from Graphbuffer]"); PrintAndLog(" [use data from Graphbuffer], if not set, try reading data from tag."); PrintAndLog(""); PrintAndLog(" sample: lf t55xx info"); PrintAndLog(" sample: lf t55xx info 1"); return 0; } if ( strlen(Cmd)==0){ CmdReadBlk("0"); } uint8_t bits[1000] = {0x00}; uint8_t * bitstream = bits; manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream); uint8_t si = 5; uint32_t bl0 = PackBits(si, 32, bitstream); uint32_t safer = PackBits(si, 4, bitstream); si += 4; uint32_t resv = PackBits(si, 7, bitstream); si += 7; uint32_t dbr = PackBits(si, 3, bitstream); si += 3; uint32_t extend = PackBits(si, 1, bitstream); si += 1; uint32_t datamodulation = PackBits(si, 5, bitstream); si += 5; uint32_t pskcf = PackBits(si, 2, bitstream); si += 2; uint32_t aor = PackBits(si, 1, bitstream); si += 1; uint32_t otp = PackBits(si, 1, bitstream); si += 1; uint32_t maxblk = PackBits(si, 3, bitstream); si += 3; uint32_t pwd = PackBits(si, 1, bitstream); si += 1; uint32_t sst = PackBits(si, 1, bitstream); si += 1; uint32_t fw = PackBits(si, 1, bitstream); si += 1; uint32_t inv = PackBits(si, 1, bitstream); si += 1; uint32_t por = PackBits(si, 1, bitstream); si += 1; PrintAndLog(""); PrintAndLog("-- T55xx Configuration --------------------------------------"); 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(" 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(bitstream+5,32) ); PrintAndLog("-------------------------------------------------------------"); return 0; } int CmdDump(const char *Cmd){ char cmdp = param_getchar(Cmd, 0); char s[20]; uint8_t pwd[4] = {0x00}; bool hasPwd = ( strlen(Cmd) > 0); if ( cmdp == 'h' || cmdp == 'H') { PrintAndLog("Usage: lf t55xx dump "); PrintAndLog(" sample: lf t55xx dump FFFFFFFF"); return 0; } if ( hasPwd ){ if (param_gethex(Cmd, 0, pwd, 4)) { PrintAndLog("password must include 4 HEX symbols"); return 0; } } for ( int i = 0; i <8; ++i){ memset(s,0,sizeof(s)); if ( hasPwd ) { sprintf(s,"%d %s", i, sprint_hex(pwd,4)); CmdReadBlkPWD(s); } else { sprintf(s,"%d", i); CmdReadBlk(s); } } return 0; } int CmdIceFsk(const char *Cmd){ iceFsk3(GraphBuffer, LF_TRACE_BUFF_SIZE); RepaintGraphWindow(); return 0; } int CmdIceManchester(const char *Cmd){ ManchesterDemod( -1); return 0; } int ManchesterDemod(int block){ int blockNum = -1; uint8_t sizebyte = 32; uint8_t offset = 5; uint32_t blockData; uint8_t bits[1000] = {0x00}; uint8_t * bitstream = bits; manchester_decode(GraphBuffer, LF_TRACE_BUFF_SIZE, bitstream); blockData = PackBits(offset, sizebyte, bitstream); 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; } char * GetBitRateStr(uint32_t id){ static char buf[40]; 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; } return buf; } char * GetSaferStr(uint32_t id){ static char buf[40]; char *retStr = buf; sprintf(retStr,"%d",id); if (id == 6) { sprintf(retStr,"%d - pasdwd",id); } if (id == 9 ){ sprintf(retStr,"%d - testmode ",id); } return buf; } char * GetModulationStr( uint32_t id){ static char buf[40]; 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; } return buf; } uint32_t PackBits(uint8_t start, uint8_t len, uint8_t* bits){ int i = start; int j = len-1; uint32_t tmp = 0; for (; j >= 0; --j, ++i){ tmp |= bits[i] << j; } return tmp; } static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, {"rd", CmdReadBlk, 0, " -- Read T55xx block data (page 0)"}, {"rdpwd", CmdReadBlkPWD, 0, " -- Read T55xx block data with password mode"}, {"wr", CmdWriteBlk, 0, " -- Write T55xx block data (page 0)"}, {"wrpwd", CmdWriteBlkPWD, 0, " -- Write T55xx block data with password"}, {"trace", CmdReadTrace, 0, "[1] Read T55xx traceability data (page 1 / blk 0-1) "}, {"info", CmdInfo, 0, "[1] Read T55xx configuration data (page0 /blk 0)"}, {"dump", CmdDump, 0, "[password] Dump T55xx card block 0-7. optional with password"}, {"fsk", CmdIceFsk, 0, "FSK demod"}, {"man", CmdIceManchester, 0, "Manchester demod (with SST)"}, {NULL, NULL, 0, NULL} }; int CmdLFT55XX(const char *Cmd) { CmdsParse(CommandTable, Cmd); return 0; } int CmdHelp(const char *Cmd) { CmdsHelp(CommandTable); return 0; }