From: Iceman Date: Wed, 22 Mar 2017 21:39:28 +0000 (+0100) Subject: Merge pull request #241 from pwpiwi/ukbhit_fix X-Git-Tag: v3.0.0~41 X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/commitdiff_plain/9b952b29ebba638c59ab03621c0f04fca7ec602c?hp=8c0ccdef357a5a940788cb81730f4847fe47606a Merge pull request #241 from pwpiwi/ukbhit_fix fix: ukbhit() for OS X --- diff --git a/CHANGELOG.md b/CHANGELOG.md index 2a4e91fc..59e87277 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -45,6 +45,16 @@ This project uses the changelog in accordance with [keepchangelog](http://keepac - Added option c to 'hf list' (mark CRC bytes) (piwi) ### Changed +- `data fskpyramiddemod` has been moved to `lf pyramid demod` (reads from graphbuffer) +- `data fskiodemod` has been moved to `lf io demod` (reads from graphbuffer) +- `lf io fskdemod` has been renamed to `lf io read` (reads from antenna) +- `data fskawiddemod` has been moved to `lf awid demod` (reads from graphbuffer) +- `lf awid fskdemod` has been renamed to `lf awid read` (reads from antenna) +- `data fskhiddemod` has been moved to `lf hid demod` (reads from graphbuffer) +- `lf hid demod` has been renamed to `lf hid read` (reads from antenna) +- all em410x demod and print functions moved to cmdlfem4x.c +- `data askem410xdemod` has been moved to `lf em 410xdemod` (reads from graphbuffer) +- `lf em 410xdemod` has been renamed to `lf em 410xread` (reads from antenna) - hf mf dump - added retry loops to try each read attempt up to 3 times. makes getting a complete dump easier with many antennas. - small changes to lf psk and fsk demods to improve results when the trace begins with noise or the chip isn't broadcasting yet (marshmellow) - NOTE CHANGED ALL `lf em4x em*` cmds to simpler `lf em ` - example: `lf em4x em410xdemod` is now `lf em 410xdemod` diff --git a/client/cmddata.c b/client/cmddata.c index 983edd72..1924e5f7 100644 --- a/client/cmddata.c +++ b/client/cmddata.c @@ -25,6 +25,7 @@ #include "crc.h" // for pyramid checksum maxim #include "crc16.h" // for FDXB demod checksum #include "loclass/cipherutils.h" // for decimating samples in getsamples +#include "cmdlfem4x.h"// for em410x demod uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN]; uint8_t g_debugMode=0; @@ -159,159 +160,6 @@ int CmdGetBitStream(const char *Cmd) return 0; } -//by marshmellow -//print 64 bit EM410x ID in multiple formats -void printEM410x(uint32_t hi, uint64_t id) -{ - if (id || hi){ - uint64_t iii=1; - uint64_t id2lo=0; - uint32_t ii=0; - uint32_t i=0; - for (ii=5; ii>0;ii--){ - for (i=0;i<8;i++){ - id2lo=(id2lo<<1LL) | ((id & (iii << (i+((ii-1)*8)))) >> (i+((ii-1)*8))); - } - } - if (hi){ - //output 88 bit em id - PrintAndLog("\nEM TAG ID : %06X%016" PRIX64, hi, id); - } else{ - //output 40 bit em id - PrintAndLog("\nEM TAG ID : %010" PRIX64, id); - PrintAndLog("\nPossible de-scramble patterns"); - PrintAndLog("Unique TAG ID : %010" PRIX64, id2lo); - PrintAndLog("HoneyWell IdentKey {"); - PrintAndLog("DEZ 8 : %08" PRIu64,id & 0xFFFFFF); - PrintAndLog("DEZ 10 : %010" PRIu64,id & 0xFFFFFFFF); - PrintAndLog("DEZ 5.5 : %05lld.%05" PRIu64,(id>>16LL) & 0xFFFF,(id & 0xFFFF)); - PrintAndLog("DEZ 3.5A : %03lld.%05" PRIu64,(id>>32ll),(id & 0xFFFF)); - PrintAndLog("DEZ 3.5B : %03lld.%05" PRIu64,(id & 0xFF000000) >> 24,(id & 0xFFFF)); - PrintAndLog("DEZ 3.5C : %03lld.%05" PRIu64,(id & 0xFF0000) >> 16,(id & 0xFFFF)); - PrintAndLog("DEZ 14/IK2 : %014" PRIu64,id); - PrintAndLog("DEZ 15/IK3 : %015" PRIu64,id2lo); - PrintAndLog("DEZ 20/ZK : %02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64, - (id2lo & 0xf000000000) >> 36, - (id2lo & 0x0f00000000) >> 32, - (id2lo & 0x00f0000000) >> 28, - (id2lo & 0x000f000000) >> 24, - (id2lo & 0x0000f00000) >> 20, - (id2lo & 0x00000f0000) >> 16, - (id2lo & 0x000000f000) >> 12, - (id2lo & 0x0000000f00) >> 8, - (id2lo & 0x00000000f0) >> 4, - (id2lo & 0x000000000f) - ); - uint64_t paxton = (((id>>32) << 24) | (id & 0xffffff)) + 0x143e00; - PrintAndLog("}\nOther : %05" PRIu64 "_%03" PRIu64 "_%08" PRIu64 "",(id&0xFFFF),((id>>16LL) & 0xFF),(id & 0xFFFFFF)); - PrintAndLog("Pattern Paxton : %" PRIu64 " [0x%" PRIX64 "]", paxton, paxton); - - uint32_t p1id = (id & 0xFFFFFF); - uint8_t arr[32] = {0x00}; - int i =0; - int j = 23; - for (; i < 24; ++i, --j ){ - arr[i] = (p1id >> i) & 1; - } - - uint32_t p1 = 0; - - p1 |= arr[23] << 21; - p1 |= arr[22] << 23; - p1 |= arr[21] << 20; - p1 |= arr[20] << 22; - - p1 |= arr[19] << 18; - p1 |= arr[18] << 16; - p1 |= arr[17] << 19; - p1 |= arr[16] << 17; - - p1 |= arr[15] << 13; - p1 |= arr[14] << 15; - p1 |= arr[13] << 12; - p1 |= arr[12] << 14; - - p1 |= arr[11] << 6; - p1 |= arr[10] << 2; - p1 |= arr[9] << 7; - p1 |= arr[8] << 1; - - p1 |= arr[7] << 0; - p1 |= arr[6] << 8; - p1 |= arr[5] << 11; - p1 |= arr[4] << 3; - - p1 |= arr[3] << 10; - p1 |= arr[2] << 4; - p1 |= arr[1] << 5; - p1 |= arr[0] << 9; - PrintAndLog("Pattern 1 : %d [0x%X]", p1, p1); - - uint16_t sebury1 = id & 0xFFFF; - uint8_t sebury2 = (id >> 16) & 0x7F; - uint32_t sebury3 = id & 0x7FFFFF; - PrintAndLog("Pattern Sebury : %d %d %d [0x%X 0x%X 0x%X]", sebury1, sebury2, sebury3, sebury1, sebury2, sebury3); - } - } - return; -} - -//should be moved to cmdlfem4x.c -int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo ) -{ - size_t idx = 0; - size_t BitLen = DemodBufferLen; - uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - memcpy(BitStream, DemodBuffer, BitLen); - if (Em410xDecode(BitStream, &BitLen, &idx, hi, lo)){ - //set GraphBuffer for clone or sim command - setDemodBuf(BitStream, BitLen, idx); - if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); - printDemodBuff(); - } - if (verbose){ - PrintAndLog("EM410x pattern found: "); - printEM410x(*hi, *lo); - } - return 1; - } - return 0; -} -//should be moved to cmdlfem4x.c -int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose) -{ - bool st = true; - if (!ASKDemod_ext(Cmd, false, false, 1, &st)) return 0; - return AskEm410xDecode(verbose, hi, lo); -} - -//should be moved to cmdlfem4x.c -//by marshmellow -//takes 3 arguments - clock, invert and maxErr as integers -//attempts to demodulate ask while decoding manchester -//prints binary found and saves in graphbuffer for further commands -int CmdAskEM410xDemod(const char *Cmd) -{ - char cmdp = param_getchar(Cmd, 0); - if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { - PrintAndLog("Usage: data askem410xdemod [clock] <0|1> [maxError]"); - PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); - PrintAndLog(" , 1 for invert output"); - PrintAndLog(" [set maximum allowed errors], default = 100."); - PrintAndLog(""); - PrintAndLog(" sample: data askem410xdemod = demod an EM410x Tag ID from GraphBuffer"); - PrintAndLog(" : data askem410xdemod 32 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32"); - PrintAndLog(" : data askem410xdemod 32 1 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data"); - PrintAndLog(" : data askem410xdemod 1 = demod an EM410x Tag ID from GraphBuffer while inverting data"); - PrintAndLog(" : data askem410xdemod 64 1 0 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/64 and inverting data and allowing 0 demod errors"); - return 0; - } - uint64_t lo = 0; - uint32_t hi = 0; - return AskEm410xDemod(Cmd, &hi, &lo, true); -} - //by marshmellow //Cmd Args: Clock, invert, maxErr, maxLen as integers and amplify as char == 'a' // (amp may not be needed anymore) @@ -1046,94 +894,6 @@ int CmdFSKrawdemod(const char *Cmd) return FSKrawDemod(Cmd, true); } -//move to cmdlfhid.c -//by marshmellow (based on existing demod + holiman's refactor) -//HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded) -//print full HID Prox ID and some bit format details if found -int CmdFSKdemodHID(const char *Cmd) -{ - //raw fsk demod no manchester decoding no start bit finding just get binary from wave - uint32_t hi2=0, hi=0, lo=0; - - uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - size_t BitLen = getFromGraphBuf(BitStream); - if (BitLen==0) return 0; - //get binary from fsk wave - int idx = HIDdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo); - if (idx<0){ - if (g_debugMode){ - if (idx==-1){ - PrintAndLog("DEBUG: Just Noise Detected"); - } else if (idx == -2) { - PrintAndLog("DEBUG: Error demoding fsk"); - } else if (idx == -3) { - PrintAndLog("DEBUG: Preamble not found"); - } else if (idx == -4) { - PrintAndLog("DEBUG: Error in Manchester data, SIZE: %d", BitLen); - } else { - PrintAndLog("DEBUG: Error demoding fsk %d", idx); - } - } - return 0; - } - if (hi2==0 && hi==0 && lo==0) { - if (g_debugMode) PrintAndLog("DEBUG: Error - no values found"); - return 0; - } - if (hi2 != 0){ //extra large HID tags - PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)", - (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); - } - else { //standard HID tags <38 bits - uint8_t fmtLen = 0; - uint32_t fc = 0; - uint32_t cardnum = 0; - if (((hi>>5)&1)==1){//if bit 38 is set then < 37 bit format is used - uint32_t lo2=0; - lo2=(((hi & 31) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit - uint8_t idx3 = 1; - while(lo2>1){ //find last bit set to 1 (format len bit) - lo2=lo2>>1; - idx3++; - } - fmtLen =idx3+19; - fc =0; - cardnum=0; - if(fmtLen==26){ - cardnum = (lo>>1)&0xFFFF; - fc = (lo>>17)&0xFF; - } - if(fmtLen==34){ - cardnum = (lo>>1)&0xFFFF; - fc= ((hi&1)<<15)|(lo>>17); - } - if(fmtLen==35){ - cardnum = (lo>>1)&0xFFFFF; - fc = ((hi&1)<<11)|(lo>>21); - } - } - else { //if bit 38 is not set then 37 bit format is used - fmtLen = 37; - fc = 0; - cardnum = 0; - if(fmtLen == 37){ - cardnum = (lo>>1)&0x7FFFF; - fc = ((hi&0xF)<<12)|(lo>>20); - } - } - PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d", - (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF, - (unsigned int) fmtLen, (unsigned int) fc, (unsigned int) cardnum); - } - setDemodBuf(BitStream,BitLen,idx); - if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); - printDemodBuff(); - } - return 1; -} - - //by marshmellow //Paradox Prox demod - FSK RF/50 with preamble of 00001111 (then manchester encoded) //print full Paradox Prox ID and some bit format details if found @@ -1183,330 +943,6 @@ int CmdFSKdemodParadox(const char *Cmd) return 1; } -//by marshmellow -//IO-Prox demod - FSK RF/64 with preamble of 000000001 -//print ioprox ID and some format details -int CmdFSKdemodIO(const char *Cmd) -{ - int idx=0; - //something in graphbuffer? - if (GraphTraceLen < 65) { - if (g_debugMode)PrintAndLog("DEBUG: not enough samples in GraphBuffer"); - return 0; - } - uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - size_t BitLen = getFromGraphBuf(BitStream); - if (BitLen==0) return 0; - - //get binary from fsk wave - idx = IOdemodFSK(BitStream,BitLen); - if (idx<0){ - if (g_debugMode){ - if (idx==-1){ - PrintAndLog("DEBUG: Just Noise Detected"); - } else if (idx == -2) { - PrintAndLog("DEBUG: not enough samples"); - } else if (idx == -3) { - PrintAndLog("DEBUG: error during fskdemod"); - } else if (idx == -4) { - PrintAndLog("DEBUG: Preamble not found"); - } else if (idx == -5) { - PrintAndLog("DEBUG: Separator bits not found"); - } else { - PrintAndLog("DEBUG: Error demoding fsk %d", idx); - } - } - return 0; - } - if (idx==0){ - if (g_debugMode){ - PrintAndLog("DEBUG: IO Prox Data not found - FSK Bits: %d",BitLen); - if (BitLen > 92) PrintAndLog("%s", sprint_bin_break(BitStream,92,16)); - } - return 0; - } - //Index map - //0 10 20 30 40 50 60 - //| | | | | | | - //01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23 - //----------------------------------------------------------------------------- - //00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11 - // - //XSF(version)facility:codeone+codetwo (raw) - //Handle the data - if (idx+64>BitLen) { - if (g_debugMode) PrintAndLog("not enough bits found - bitlen: %d",BitLen); - return 0; - } - PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx], BitStream[idx+1], BitStream[idx+2], BitStream[idx+3], BitStream[idx+4], BitStream[idx+5], BitStream[idx+6], BitStream[idx+7], BitStream[idx+8]); - PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx+9], BitStream[idx+10], BitStream[idx+11],BitStream[idx+12],BitStream[idx+13],BitStream[idx+14],BitStream[idx+15],BitStream[idx+16],BitStream[idx+17]); - PrintAndLog("%d%d%d%d%d%d%d%d %d facility",BitStream[idx+18], BitStream[idx+19], BitStream[idx+20],BitStream[idx+21],BitStream[idx+22],BitStream[idx+23],BitStream[idx+24],BitStream[idx+25],BitStream[idx+26]); - PrintAndLog("%d%d%d%d%d%d%d%d %d version",BitStream[idx+27], BitStream[idx+28], BitStream[idx+29],BitStream[idx+30],BitStream[idx+31],BitStream[idx+32],BitStream[idx+33],BitStream[idx+34],BitStream[idx+35]); - PrintAndLog("%d%d%d%d%d%d%d%d %d code1",BitStream[idx+36], BitStream[idx+37], BitStream[idx+38],BitStream[idx+39],BitStream[idx+40],BitStream[idx+41],BitStream[idx+42],BitStream[idx+43],BitStream[idx+44]); - PrintAndLog("%d%d%d%d%d%d%d%d %d code2",BitStream[idx+45], BitStream[idx+46], BitStream[idx+47],BitStream[idx+48],BitStream[idx+49],BitStream[idx+50],BitStream[idx+51],BitStream[idx+52],BitStream[idx+53]); - PrintAndLog("%d%d%d%d%d%d%d%d %d%d checksum",BitStream[idx+54],BitStream[idx+55],BitStream[idx+56],BitStream[idx+57],BitStream[idx+58],BitStream[idx+59],BitStream[idx+60],BitStream[idx+61],BitStream[idx+62],BitStream[idx+63]); - - uint32_t code = bytebits_to_byte(BitStream+idx,32); - uint32_t code2 = bytebits_to_byte(BitStream+idx+32,32); - uint8_t version = bytebits_to_byte(BitStream+idx+27,8); //14,4 - uint8_t facilitycode = bytebits_to_byte(BitStream+idx+18,8) ; - uint16_t number = (bytebits_to_byte(BitStream+idx+36,8)<<8)|(bytebits_to_byte(BitStream+idx+45,8)); //36,9 - uint8_t crc = bytebits_to_byte(BitStream+idx+54,8); - uint16_t calccrc = 0; - - for (uint8_t i=1; i<6; ++i){ - calccrc += bytebits_to_byte(BitStream+idx+9*i,8); - } - calccrc &= 0xff; - calccrc = 0xff - calccrc; - - char *crcStr = (crc == calccrc) ? "crc ok": "!crc"; - - PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x) [%02x %s]",version,facilitycode,number,code,code2, crc, crcStr); - setDemodBuf(BitStream,64,idx); - if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx,64); - printDemodBuff(); - } - return 1; -} - -//by marshmellow -//AWID Prox demod - FSK RF/50 with preamble of 00000001 (always a 96 bit data stream) -//print full AWID Prox ID and some bit format details if found -int CmdFSKdemodAWID(const char *Cmd) -{ - uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - size_t size = getFromGraphBuf(BitStream); - if (size==0) return 0; - - //get binary from fsk wave - int idx = AWIDdemodFSK(BitStream, &size); - if (idx<=0){ - if (g_debugMode){ - if (idx == -1) - PrintAndLog("DEBUG: Error - not enough samples"); - else if (idx == -2) - PrintAndLog("DEBUG: Error - only noise found"); - else if (idx == -3) - PrintAndLog("DEBUG: Error - problem during FSK demod"); - else if (idx == -4) - PrintAndLog("DEBUG: Error - AWID preamble not found"); - else if (idx == -5) - PrintAndLog("DEBUG: Error - Size not correct: %d", size); - else - PrintAndLog("DEBUG: Error %d",idx); - } - return 0; - } - - // Index map - // 0 10 20 30 40 50 60 - // | | | | | | | - // 01234567 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 - to 96 - // ----------------------------------------------------------------------------- - // 00000001 000 1 110 1 101 1 011 1 101 1 010 0 000 1 000 1 010 0 001 0 110 1 100 0 000 1 000 1 - // premable bbb o bbb o bbw o fff o fff o ffc o ccc o ccc o ccc o ccc o ccc o wxx o xxx o xxx o - to 96 - // |---26 bit---| |-----117----||-------------142-------------| - // b = format bit len, o = odd parity of last 3 bits - // f = facility code, c = card number - // w = wiegand parity - // (26 bit format shown) - - //get raw ID before removing parities - uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32); - uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32); - uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32); - setDemodBuf(BitStream,96,idx); - - size = removeParity(BitStream, idx+8, 4, 1, 88); - if (size != 66){ - if (g_debugMode) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format"); - return 0; - } - // ok valid card found! - - // Index map - // 0 10 20 30 40 50 60 - // | | | | | | | - // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456 - // ----------------------------------------------------------------------------- - // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000 - // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx - // |26 bit| |-117--| |-----142------| - // b = format bit len, o = odd parity of last 3 bits - // f = facility code, c = card number - // w = wiegand parity - // (26 bit format shown) - - uint32_t fc = 0; - uint32_t cardnum = 0; - uint32_t code1 = 0; - uint32_t code2 = 0; - uint8_t fmtLen = bytebits_to_byte(BitStream,8); - if (fmtLen==26){ - fc = bytebits_to_byte(BitStream+9, 8); - cardnum = bytebits_to_byte(BitStream+17, 16); - code1 = bytebits_to_byte(BitStream+8,fmtLen); - PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo); - } else { - cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16); - if (fmtLen>32){ - code1 = bytebits_to_byte(BitStream+8,fmtLen-32); - code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32); - PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo); - } else{ - code1 = bytebits_to_byte(BitStream+8,fmtLen); - PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo); - } - } - if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx, 96); - printDemodBuff(); - } - //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands - return 1; -} - -//by marshmellow -//Pyramid Prox demod - FSK RF/50 with preamble of 0000000000000001 (always a 128 bit data stream) -//print full Farpointe Data/Pyramid Prox ID and some bit format details if found -int CmdFSKdemodPyramid(const char *Cmd) -{ - //raw fsk demod no manchester decoding no start bit finding just get binary from wave - uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; - size_t size = getFromGraphBuf(BitStream); - if (size==0) return 0; - - //get binary from fsk wave - int idx = PyramiddemodFSK(BitStream, &size); - if (idx < 0){ - if (g_debugMode){ - if (idx == -5) - PrintAndLog("DEBUG: Error - not enough samples"); - else if (idx == -1) - PrintAndLog("DEBUG: Error - only noise found"); - else if (idx == -2) - PrintAndLog("DEBUG: Error - problem during FSK demod"); - else if (idx == -3) - PrintAndLog("DEBUG: Error - Size not correct: %d", size); - else if (idx == -4) - PrintAndLog("DEBUG: Error - Pyramid preamble not found"); - else - PrintAndLog("DEBUG: Error - idx: %d",idx); - } - return 0; - } - // Index map - // 0 10 20 30 40 50 60 - // | | | | | | | - // 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 - // ----------------------------------------------------------------------------- - // 0000000 0 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 - // premable xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o - - // 64 70 80 90 100 110 120 - // | | | | | | | - // 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 - // ----------------------------------------------------------------------------- - // 0000000 1 0000000 1 0000000 1 0110111 0 0011000 1 0000001 0 0001100 1 1001010 0 - // xxxxxxx o xxxxxxx o xxxxxxx o xswffff o ffffccc o ccccccc o ccccccw o ppppppp o - // |---115---||---------71---------| - // s = format start bit, o = odd parity of last 7 bits - // f = facility code, c = card number - // w = wiegand parity, x = extra space for other formats - // p = unknown checksum - // (26 bit format shown) - - //get bytes for checksum calc - uint8_t checksum = bytebits_to_byte(BitStream + idx + 120, 8); - uint8_t csBuff[14] = {0x00}; - for (uint8_t i = 0; i < 13; i++){ - csBuff[i] = bytebits_to_byte(BitStream + idx + 16 + (i*8), 8); - } - //check checksum calc - //checksum calc thanks to ICEMAN!! - uint32_t checkCS = CRC8Maxim(csBuff,13); - - //get raw ID before removing parities - uint32_t rawLo = bytebits_to_byte(BitStream+idx+96,32); - uint32_t rawHi = bytebits_to_byte(BitStream+idx+64,32); - uint32_t rawHi2 = bytebits_to_byte(BitStream+idx+32,32); - uint32_t rawHi3 = bytebits_to_byte(BitStream+idx,32); - setDemodBuf(BitStream,128,idx); - - size = removeParity(BitStream, idx+8, 8, 1, 120); - if (size != 105){ - if (g_debugMode) - PrintAndLog("DEBUG: Error at parity check - tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size, idx, rawHi3); - return 0; - } - - // ok valid card found! - - // Index map - // 0 10 20 30 40 50 60 70 - // | | | | | | | | - // 01234567890123456789012345678901234567890123456789012345678901234567890 - // ----------------------------------------------------------------------- - // 00000000000000000000000000000000000000000000000000000000000000000000000 - // xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx - - // 71 80 90 100 - // | | | | - // 1 2 34567890 1234567890123456 7 8901234 - // --------------------------------------- - // 1 1 01110011 0000000001000110 0 1001010 - // s w ffffffff cccccccccccccccc w ppppppp - // |--115-| |------71------| - // s = format start bit, o = odd parity of last 7 bits - // f = facility code, c = card number - // w = wiegand parity, x = extra space for other formats - // p = unknown checksum - // (26 bit format shown) - - //find start bit to get fmtLen - int j; - for (j=0; j32){ - //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen-32); - //code2 = bytebits_to_byte(BitStream+(size-32),32); - PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo); - } else{ - //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen); - PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo); - } - } - if (checksum == checkCS) - PrintAndLog("Checksum %02x passed", checksum); - else - PrintAndLog("Checksum %02x failed - should have been %02x", checksum, checkCS); - - if (g_debugMode){ - PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128); - printDemodBuff(); - } - return 1; -} - // FDX-B ISO11784/85 demod (aka animal tag) BIPHASE, inverted, rf/32, with preamble of 00000000001 (128bits) // 8 databits + 1 parity (1) // CIITT 16 chksum @@ -2420,7 +1856,6 @@ static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, {"askedgedetect", CmdAskEdgeDetect, 1, "[threshold] Adjust Graph for manual ask demod using the length of sample differences to detect the edge of a wave (use 20-45, def:25)"}, - {"askem410xdemod", CmdAskEM410xDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"}, {"askgproxiidemod", CmdG_Prox_II_Demod, 1, "Demodulate a G Prox II tag from GraphBuffer"}, {"askvikingdemod", CmdVikingDemod, 1, "Demodulate a Viking tag from GraphBuffer"}, {"autocorr", CmdAutoCorr, 1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"}, @@ -2431,11 +1866,7 @@ static command_t CommandTable[] = {"dec", CmdDec, 1, "Decimate samples"}, {"detectclock", CmdDetectClockRate, 1, "[modulation] Detect clock rate of wave in GraphBuffer (options: 'a','f','n','p' for ask, fsk, nrz, psk respectively)"}, {"fdxbdemod", CmdFDXBdemodBI , 1, "Demodulate a FDX-B ISO11784/85 Biphase tag from GraphBuffer"}, - {"fskawiddemod", CmdFSKdemodAWID, 1, "Demodulate an AWID FSK tag from GraphBuffer"}, //{"fskfcdetect", CmdFSKfcDetect, 1, "Try to detect the Field Clock of an FSK wave"}, - {"fskhiddemod", CmdFSKdemodHID, 1, "Demodulate a HID FSK tag from GraphBuffer"}, - {"fskiodemod", CmdFSKdemodIO, 1, "Demodulate an IO Prox FSK tag from GraphBuffer"}, - {"fskpyramiddemod", CmdFSKdemodPyramid, 1, "Demodulate a Pyramid FSK tag from GraphBuffer"}, {"fskparadoxdemod", CmdFSKdemodParadox, 1, "Demodulate a Paradox FSK tag from GraphBuffer"}, {"getbitstream", CmdGetBitStream, 1, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"}, {"grid", CmdGrid, 1, " -- overlay grid on graph window, use zero value to turn off either"}, diff --git a/client/cmddata.h b/client/cmddata.h index c45a162d..789ebb1b 100644 --- a/client/cmddata.h +++ b/client/cmddata.h @@ -23,7 +23,6 @@ int CmdData(const char *Cmd); void printDemodBuff(void); void setDemodBuf(uint8_t *buff, size_t size, size_t startIdx); int CmdPrintDemodBuff(const char *Cmd); -int CmdAskEM410xDemod(const char *Cmd); int CmdVikingDemod(const char *Cmd); int CmdG_Prox_II_Demod(const char *Cmd); int Cmdaskrawdemod(const char *Cmd); @@ -36,11 +35,7 @@ int CmdBuffClear(const char *Cmd); int CmdDec(const char *Cmd); int CmdDetectClockRate(const char *Cmd); int CmdFDXBdemodBI(const char *Cmd); -int CmdFSKdemodAWID(const char *Cmd); -int CmdFSKdemodHID(const char *Cmd); -int CmdFSKdemodIO(const char *Cmd); int CmdFSKdemodParadox(const char *Cmd); -int CmdFSKdemodPyramid(const char *Cmd); int CmdFSKrawdemod(const char *Cmd); int CmdPSK1rawDemod(const char *Cmd); int CmdPSK2rawDemod(const char *Cmd); @@ -66,15 +61,12 @@ int CmdScale(const char *Cmd); int CmdDirectionalThreshold(const char *Cmd); int CmdZerocrossings(const char *Cmd); int CmdIndalaDecode(const char *Cmd); -int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo ); -int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose); int ASKbiphaseDemod(const char *Cmd, bool verbose); int ASKDemod(const char *Cmd, bool verbose, bool emSearch, uint8_t askType); int ASKDemod_ext(const char *Cmd, bool verbose, bool emSearch, uint8_t askType, bool *stCheck); int FSKrawDemod(const char *Cmd, bool verbose); int PSKDemod(const char *Cmd, bool verbose); int NRZrawDemod(const char *Cmd, bool verbose); -void printEM410x(uint32_t hi, uint64_t id); int getSamples(const char *Cmd, bool silent); diff --git a/client/cmdlfawid.c b/client/cmdlfawid.c index 8843e9e0..648966f3 100644 --- a/client/cmdlfawid.c +++ b/client/cmdlfawid.c @@ -15,25 +15,26 @@ #include "proxmark3.h" // Definitions, USB controls, etc #include "ui.h" // PrintAndLog #include "cmdparser.h" // CmdsParse, CmdsHelp -#include "cmdlfawid.h" // AWID function declarations -#include "lfdemod.h" // parityTest +#include "lfdemod.h" // parityTest + #include "util.h" // weigandparity #include "protocols.h" // for T55xx config register definitions +#include "cmddata.h" // for printDemod and demodbuffer commands +#include "graph.h" // for getFromGraphBuff cmds #include "cmdmain.h" static int CmdHelp(const char *Cmd); -int usage_lf_awid_fskdemod(void) { +int usage_lf_awid_read(void) { PrintAndLog("Enables AWID26 compatible reader mode printing details of scanned AWID26 tags."); PrintAndLog("By default, values are printed and logged until the button is pressed or another USB command is issued."); PrintAndLog("If the ['1'] option is provided, reader mode is exited after reading a single AWID26 card."); PrintAndLog(""); - PrintAndLog("Usage: lf awid fskdemod ['1']"); + PrintAndLog("Usage: lf awid read ['1']"); PrintAndLog("Options : "); PrintAndLog(" 1 : (optional) stop after reading a single card"); PrintAndLog(""); - PrintAndLog("Samples : lf awid fskdemod"); - PrintAndLog(" : lf awid fskdemod 1"); + PrintAndLog("Samples : lf awid read"); + PrintAndLog(" : lf awid read 1"); return 0; } @@ -66,9 +67,9 @@ int usage_lf_awid_clone(void) { return 0; } -int CmdAWIDDemodFSK(const char *Cmd) { +int CmdAWIDReadFSK(const char *Cmd) { int findone=0; - if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_awid_fskdemod(); + if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_awid_read(); if (Cmd[0] == '1') findone = 1; UsbCommand c = {CMD_AWID_DEMOD_FSK, {findone, 0, 0}}; @@ -76,6 +77,102 @@ int CmdAWIDDemodFSK(const char *Cmd) { SendCommand(&c); return 0; } +//by marshmellow +//AWID Prox demod - FSK RF/50 with preamble of 00000001 (always a 96 bit data stream) +//print full AWID Prox ID and some bit format details if found +int CmdFSKdemodAWID(const char *Cmd) +{ + uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; + size_t size = getFromGraphBuf(BitStream); + if (size==0) return 0; + + //get binary from fsk wave + int idx = AWIDdemodFSK(BitStream, &size); + if (idx<=0){ + if (g_debugMode){ + if (idx == -1) + PrintAndLog("DEBUG: Error - not enough samples"); + else if (idx == -2) + PrintAndLog("DEBUG: Error - only noise found"); + else if (idx == -3) + PrintAndLog("DEBUG: Error - problem during FSK demod"); + else if (idx == -4) + PrintAndLog("DEBUG: Error - AWID preamble not found"); + else if (idx == -5) + PrintAndLog("DEBUG: Error - Size not correct: %d", size); + else + PrintAndLog("DEBUG: Error %d",idx); + } + return 0; + } + + // Index map + // 0 10 20 30 40 50 60 + // | | | | | | | + // 01234567 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 456 7 890 1 234 5 678 9 012 3 - to 96 + // ----------------------------------------------------------------------------- + // 00000001 000 1 110 1 101 1 011 1 101 1 010 0 000 1 000 1 010 0 001 0 110 1 100 0 000 1 000 1 + // premable bbb o bbb o bbw o fff o fff o ffc o ccc o ccc o ccc o ccc o ccc o wxx o xxx o xxx o - to 96 + // |---26 bit---| |-----117----||-------------142-------------| + // b = format bit len, o = odd parity of last 3 bits + // f = facility code, c = card number + // w = wiegand parity + // (26 bit format shown) + + //get raw ID before removing parities + uint32_t rawLo = bytebits_to_byte(BitStream+idx+64,32); + uint32_t rawHi = bytebits_to_byte(BitStream+idx+32,32); + uint32_t rawHi2 = bytebits_to_byte(BitStream+idx,32); + setDemodBuf(BitStream,96,idx); + + size = removeParity(BitStream, idx+8, 4, 1, 88); + if (size != 66){ + if (g_debugMode) PrintAndLog("DEBUG: Error - at parity check-tag size does not match AWID format"); + return 0; + } + // ok valid card found! + + // Index map + // 0 10 20 30 40 50 60 + // | | | | | | | + // 01234567 8 90123456 7890123456789012 3 456789012345678901234567890123456 + // ----------------------------------------------------------------------------- + // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000 + // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + // |26 bit| |-117--| |-----142------| + // b = format bit len, o = odd parity of last 3 bits + // f = facility code, c = card number + // w = wiegand parity + // (26 bit format shown) + + uint32_t fc = 0; + uint32_t cardnum = 0; + uint32_t code1 = 0; + uint32_t code2 = 0; + uint8_t fmtLen = bytebits_to_byte(BitStream,8); + if (fmtLen==26){ + fc = bytebits_to_byte(BitStream+9, 8); + cardnum = bytebits_to_byte(BitStream+17, 16); + code1 = bytebits_to_byte(BitStream+8,fmtLen); + PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo); + } else { + cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16); + if (fmtLen>32){ + code1 = bytebits_to_byte(BitStream+8,fmtLen-32); + code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32); + PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo); + } else{ + code1 = bytebits_to_byte(BitStream+8,fmtLen); + PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo); + } + } + if (g_debugMode){ + PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx, 96); + printDemodBuff(); + } + //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands + return 1; +} //refactored by marshmellow int getAWIDBits(uint32_t fc, uint32_t cn, uint8_t *AWIDBits) { @@ -191,7 +288,8 @@ int CmdAWIDClone(const char *Cmd) { static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, - {"fskdemod", CmdAWIDDemodFSK, 0, "['1'] Realtime AWID FSK demodulator (option '1' for one tag only)"}, + {"demod", CmdFSKdemodAWID, 1, "Demodulate an AWID FSK tag from the GraphBuffer"}, + {"read", CmdAWIDReadFSK, 0, "['1'] Realtime AWID FSK read from the antenna (option '1' for one tag only)"}, {"sim", CmdAWIDSim, 0, " -- AWID tag simulator"}, {"clone", CmdAWIDClone, 0, " -- Clone AWID to T55x7 (tag must be in range of antenna)"}, {NULL, NULL, 0, NULL} diff --git a/client/cmdlfawid.h b/client/cmdlfawid.h index 00622927..480c828b 100644 --- a/client/cmdlfawid.h +++ b/client/cmdlfawid.h @@ -12,10 +12,10 @@ #define CMDLFAWID_H__ int CmdLFAWID(const char *Cmd); -//int CmdAWIDDemod(const char *Cmd); -int CmdAWIDDemodFSK(const char *Cmd); +int CmdAWIDReadFSK(const char *Cmd); int CmdAWIDSim(const char *Cmd); int CmdAWIDClone(const char *Cmd); +int CmdFSKdemodAWID(const char *Cmd); int getAWIDBits(unsigned int fc, unsigned int cn, uint8_t *AWIDBits); int usage_lf_awid_fskdemod(void); int usage_lf_awid_clone(void); diff --git a/client/cmdlfem4x.c b/client/cmdlfem4x.c index 6a076e33..12300955 100644 --- a/client/cmdlfem4x.c +++ b/client/cmdlfem4x.c @@ -20,10 +20,9 @@ #include "cmddata.h" #include "cmdlf.h" #include "cmdmain.h" -#include "cmdlfem4x.h" #include "lfdemod.h" -char *global_em410xId; +uint64_t g_em410xId=0; static int CmdHelp(const char *Cmd); @@ -37,6 +36,103 @@ int CmdEMdemodASK(const char *Cmd) return 0; } +//by marshmellow +//print 64 bit EM410x ID in multiple formats +void printEM410x(uint32_t hi, uint64_t id) +{ + if (id || hi){ + uint64_t iii=1; + uint64_t id2lo=0; + uint32_t ii=0; + uint32_t i=0; + for (ii=5; ii>0;ii--){ + for (i=0;i<8;i++){ + id2lo=(id2lo<<1LL) | ((id & (iii << (i+((ii-1)*8)))) >> (i+((ii-1)*8))); + } + } + if (hi){ + //output 88 bit em id + PrintAndLog("\nEM TAG ID : %06X%016" PRIX64, hi, id); + } else{ + //output 40 bit em id + PrintAndLog("\nEM TAG ID : %010" PRIX64, id); + PrintAndLog("\nPossible de-scramble patterns"); + PrintAndLog("Unique TAG ID : %010" PRIX64, id2lo); + PrintAndLog("HoneyWell IdentKey {"); + PrintAndLog("DEZ 8 : %08" PRIu64,id & 0xFFFFFF); + PrintAndLog("DEZ 10 : %010" PRIu64,id & 0xFFFFFFFF); + PrintAndLog("DEZ 5.5 : %05lld.%05" PRIu64,(id>>16LL) & 0xFFFF,(id & 0xFFFF)); + PrintAndLog("DEZ 3.5A : %03lld.%05" PRIu64,(id>>32ll),(id & 0xFFFF)); + PrintAndLog("DEZ 3.5B : %03lld.%05" PRIu64,(id & 0xFF000000) >> 24,(id & 0xFFFF)); + PrintAndLog("DEZ 3.5C : %03lld.%05" PRIu64,(id & 0xFF0000) >> 16,(id & 0xFFFF)); + PrintAndLog("DEZ 14/IK2 : %014" PRIu64,id); + PrintAndLog("DEZ 15/IK3 : %015" PRIu64,id2lo); + PrintAndLog("DEZ 20/ZK : %02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64 "%02" PRIu64, + (id2lo & 0xf000000000) >> 36, + (id2lo & 0x0f00000000) >> 32, + (id2lo & 0x00f0000000) >> 28, + (id2lo & 0x000f000000) >> 24, + (id2lo & 0x0000f00000) >> 20, + (id2lo & 0x00000f0000) >> 16, + (id2lo & 0x000000f000) >> 12, + (id2lo & 0x0000000f00) >> 8, + (id2lo & 0x00000000f0) >> 4, + (id2lo & 0x000000000f) + ); + uint64_t paxton = (((id>>32) << 24) | (id & 0xffffff)) + 0x143e00; + PrintAndLog("}\nOther : %05" PRIu64 "_%03" PRIu64 "_%08" PRIu64 "",(id&0xFFFF),((id>>16LL) & 0xFF),(id & 0xFFFFFF)); + PrintAndLog("Pattern Paxton : %" PRIu64 " [0x%" PRIX64 "]", paxton, paxton); + + uint32_t p1id = (id & 0xFFFFFF); + uint8_t arr[32] = {0x00}; + int i =0; + int j = 23; + for (; i < 24; ++i, --j ){ + arr[i] = (p1id >> i) & 1; + } + + uint32_t p1 = 0; + + p1 |= arr[23] << 21; + p1 |= arr[22] << 23; + p1 |= arr[21] << 20; + p1 |= arr[20] << 22; + + p1 |= arr[19] << 18; + p1 |= arr[18] << 16; + p1 |= arr[17] << 19; + p1 |= arr[16] << 17; + + p1 |= arr[15] << 13; + p1 |= arr[14] << 15; + p1 |= arr[13] << 12; + p1 |= arr[12] << 14; + + p1 |= arr[11] << 6; + p1 |= arr[10] << 2; + p1 |= arr[9] << 7; + p1 |= arr[8] << 1; + + p1 |= arr[7] << 0; + p1 |= arr[6] << 8; + p1 |= arr[5] << 11; + p1 |= arr[4] << 3; + + p1 |= arr[3] << 10; + p1 |= arr[2] << 4; + p1 |= arr[1] << 5; + p1 |= arr[0] << 9; + PrintAndLog("Pattern 1 : %d [0x%X]", p1, p1); + + uint16_t sebury1 = id & 0xFFFF; + uint8_t sebury2 = (id >> 16) & 0x7F; + uint32_t sebury3 = id & 0x7FFFFF; + PrintAndLog("Pattern Sebury : %d %d %d [0x%X 0x%X 0x%X]", sebury1, sebury2, sebury3, sebury1, sebury2, sebury3); + } + } + return; +} + /* Read the ID of an EM410x tag. * Format: * 1111 1111 1 <-- standard non-repeatable header @@ -45,23 +141,60 @@ int CmdEMdemodASK(const char *Cmd) * CCCC <-- each bit here is parity for the 10 bits above in corresponding column * 0 <-- stop bit, end of tag */ -int CmdEM410xRead(const char *Cmd) +int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo ) { - uint32_t hi=0; - uint64_t lo=0; - - if(!AskEm410xDemod("", &hi, &lo, false)) return 0; - PrintAndLog("EM410x pattern found: "); - printEM410x(hi, lo); - if (hi){ - PrintAndLog ("EM410x XL pattern found"); + size_t idx = 0; + size_t BitLen = DemodBufferLen; + uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; + memcpy(BitStream, DemodBuffer, BitLen); + if (Em410xDecode(BitStream, &BitLen, &idx, hi, lo)){ + //set GraphBuffer for clone or sim command + setDemodBuf(BitStream, BitLen, idx); + if (g_debugMode){ + PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); + printDemodBuff(); + } + if (verbose){ + PrintAndLog("EM410x pattern found: "); + printEM410x(*hi, *lo); + g_em410xId = *lo; + } + return 1; + } + return 0; +} + +//askdemod then call Em410xdecode +int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose) +{ + bool st = true; + if (!ASKDemod_ext(Cmd, false, false, 1, &st)) return 0; + return AskEm410xDecode(verbose, hi, lo); +} + +//by marshmellow +//takes 3 arguments - clock, invert and maxErr as integers +//attempts to demodulate ask while decoding manchester +//prints binary found and saves in graphbuffer for further commands +int CmdAskEM410xDemod(const char *Cmd) +{ + char cmdp = param_getchar(Cmd, 0); + if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') { + PrintAndLog("Usage: lf em 410xdemod [clock] <0|1> [maxError]"); + PrintAndLog(" [set clock as integer] optional, if not set, autodetect."); + PrintAndLog(" , 1 for invert output"); + PrintAndLog(" [set maximum allowed errors], default = 100."); + PrintAndLog(""); + PrintAndLog(" sample: lf em 410xdemod = demod an EM410x Tag ID from GraphBuffer"); + PrintAndLog(" : lf em 410xdemod 32 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32"); + PrintAndLog(" : lf em 410xdemod 32 1 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/32 and inverting data"); + PrintAndLog(" : lf em 410xdemod 1 = demod an EM410x Tag ID from GraphBuffer while inverting data"); + PrintAndLog(" : lf em 410xdemod 64 1 0 = demod an EM410x Tag ID from GraphBuffer using a clock of RF/64 and inverting data and allowing 0 demod errors"); return 0; } - char id[12] = {0x00}; - sprintf(id, "%010"PRIx64,lo); - - global_em410xId = id; - return 1; + uint64_t lo = 0; + uint32_t hi = 0; + return AskEm410xDemod(Cmd, &hi, &lo, true); } int usage_lf_em410x_sim(void) { @@ -153,6 +286,8 @@ int CmdEM410xSim(const char *Cmd) * rate gets lower, then grow the number of samples * Changed by martin, 4000 x 4 = 16000, * see http://www.proxmark.org/forum/viewtopic.php?pid=7235#p7235 + * + * EDIT -- capture enough to get 2 complete preambles at the slowest data rate known to be used (rf/64) (64*64*2+9 = 8201) marshmellow */ int CmdEM410xWatch(const char *Cmd) { @@ -163,8 +298,8 @@ int CmdEM410xWatch(const char *Cmd) } CmdLFRead("s"); - getSamples("8201",true); //capture enough to get 2 complete preambles (4096*2+9) - } while (!CmdEM410xRead("")); + getSamples("8201",true); + } while (!CmdAskEM410xDemod("")); return 0; } @@ -173,7 +308,7 @@ int CmdEM410xWatch(const char *Cmd) int CmdEM410xWatchnSpoof(const char *Cmd) { CmdEM410xWatch(Cmd); - PrintAndLog("# Replaying captured ID: %s",global_em410xId); + PrintAndLog("# Replaying captured ID: %010"PRIx64, g_em410xId); CmdLFaskSim(""); return 0; } @@ -995,18 +1130,18 @@ int CmdEM4x05info(const char *Cmd) { static command_t CommandTable[] = { - {"help", CmdHelp, 1, "This help"}, - {"410xdemod", CmdEMdemodASK, 0, "[findone] -- Extract ID from EM410x tag (option 0 for continuous loop, 1 for only 1 tag)"}, - {"410xread", CmdEM410xRead, 1, "[clock rate] -- Extract ID from EM410x tag in GraphBuffer"}, - {"410xsim", CmdEM410xSim, 0, " [clock rate] -- Simulate EM410x tag"}, + {"help", CmdHelp, 1, "This help"}, + {"410xread", CmdEMdemodASK, 0, "[findone] -- Extract ID from EM410x tag (option 0 for continuous loop, 1 for only 1 tag)"}, + {"410xdemod", CmdAskEM410xDemod, 1, "[clock] [invert<0|1>] [maxErr] -- Demodulate an EM410x tag from GraphBuffer (args optional)"}, + {"410xsim", CmdEM410xSim, 0, " [clock rate] -- Simulate EM410x tag"}, {"410xwatch", CmdEM410xWatch, 0, "['h'] -- Watches for EM410x 125/134 kHz tags (option 'h' for 134)"}, {"410xspoof", CmdEM410xWatchnSpoof, 0, "['h'] --- Watches for EM410x 125/134 kHz tags, and replays them. (option 'h' for 134)" }, {"410xwrite", CmdEM410xWrite, 0, " <'0' T5555> <'1' T55x7> [clock rate] -- Write EM410x UID to T5555(Q5) or T55x7 tag, optionally setting clock rate"}, - {"4x05dump", CmdEM4x05dump, 0, "(pwd) -- Read EM4x05/EM4x69 all word data"}, - {"4x05info", CmdEM4x05info, 0, "(pwd) -- Get info from EM4x05/EM4x69 tag"}, - {"4x05readword", CmdEM4x05ReadWord, 0, " (pwd) -- Read EM4x05/EM4x69 word data"}, + {"4x05dump", CmdEM4x05dump, 0, "(pwd) -- Read EM4x05/EM4x69 all word data"}, + {"4x05info", CmdEM4x05info, 0, "(pwd) -- Get info from EM4x05/EM4x69 tag"}, + {"4x05readword", CmdEM4x05ReadWord, 0, " (pwd) -- Read EM4x05/EM4x69 word data"}, {"4x05writeword", CmdEM4x05WriteWord, 0, " (pwd) -- Write EM4x05/EM4x69 word data"}, - {"4x50read", CmdEM4x50Read, 1, "demod data from EM4x50 tag from the graph buffer"}, + {"4x50read", CmdEM4x50Read, 1, "demod data from EM4x50 tag from the graph buffer"}, {NULL, NULL, 0, NULL} }; diff --git a/client/cmdlfem4x.h b/client/cmdlfem4x.h index 7faf6f49..ff8e1c4d 100644 --- a/client/cmdlfem4x.h +++ b/client/cmdlfem4x.h @@ -11,21 +11,24 @@ #ifndef CMDLFEM4X_H__ #define CMDLFEM4X_H__ -int CmdEMdemodASK(const char *Cmd); -int CmdEM410xRead(const char *Cmd); -int CmdEM410xSim(const char *Cmd); -int CmdEM410xWatch(const char *Cmd); -int CmdEM410xWatchnSpoof(const char *Cmd); -int CmdEM410xWrite(const char *Cmd); -int CmdEM4x50Read(const char *Cmd); -int EM4x50Read(const char *Cmd, bool verbose); -int CmdLFEM4X(const char *Cmd); -bool EM4x05Block0Test(uint32_t *wordData); -int CmdEM4x05info(const char *Cmd); -int CmdEM4x05WriteWord(const char *Cmd); -int CmdEM4x05dump(const char *Cmd); -int CmdEM4x05ReadWord(const char *Cmd); -int EM4x05ReadWord_ext(uint8_t addr, uint32_t pwd, bool usePwd, uint32_t *wordData); +extern int CmdLFEM4X(const char *Cmd); +extern void printEM410x(uint32_t hi, uint64_t id); +extern int CmdEMdemodASK(const char *Cmd); +extern int CmdAskEM410xDemod(const char *Cmd); +extern int AskEm410xDecode(bool verbose, uint32_t *hi, uint64_t *lo ); +extern int AskEm410xDemod(const char *Cmd, uint32_t *hi, uint64_t *lo, bool verbose); +extern int CmdEM410xSim(const char *Cmd); +extern int CmdEM410xWatch(const char *Cmd); +extern int CmdEM410xWatchnSpoof(const char *Cmd); +extern int CmdEM410xWrite(const char *Cmd); +extern bool EM4x05Block0Test(uint32_t *wordData); +extern int CmdEM4x05info(const char *Cmd); +extern int CmdEM4x05WriteWord(const char *Cmd); +extern int CmdEM4x05dump(const char *Cmd); +extern int CmdEM4x05ReadWord(const char *Cmd); +extern int EM4x05ReadWord_ext(uint8_t addr, uint32_t pwd, bool usePwd, uint32_t *wordData); +extern int EM4x50Read(const char *Cmd, bool verbose); +extern int CmdEM4x50Read(const char *Cmd); #endif diff --git a/client/cmdlfhid.c b/client/cmdlfhid.c index 4e103f1a..68e9b07f 100644 --- a/client/cmdlfhid.c +++ b/client/cmdlfhid.c @@ -14,30 +14,98 @@ #include "ui.h" #include "graph.h" #include "cmdparser.h" -#include "cmdlfhid.h" +#include "cmddata.h" //for g_debugMode, demodbuff cmds +#include "lfdemod.h" // for HIDdemodFSK static int CmdHelp(const char *Cmd); -/* -int CmdHIDDemod(const char *Cmd) + +//by marshmellow (based on existing demod + holiman's refactor) +//HID Prox demod - FSK RF/50 with preamble of 00011101 (then manchester encoded) +//print full HID Prox ID and some bit format details if found +int CmdFSKdemodHID(const char *Cmd) { - if (GraphTraceLen < 4800) { - PrintAndLog("too short; need at least 4800 samples"); + //raw fsk demod no manchester decoding no start bit finding just get binary from wave + uint32_t hi2=0, hi=0, lo=0; + + uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; + size_t BitLen = getFromGraphBuf(BitStream); + if (BitLen==0) return 0; + //get binary from fsk wave + int idx = HIDdemodFSK(BitStream,&BitLen,&hi2,&hi,&lo); + if (idx<0){ + if (g_debugMode){ + if (idx==-1){ + PrintAndLog("DEBUG: Just Noise Detected"); + } else if (idx == -2) { + PrintAndLog("DEBUG: Error demoding fsk"); + } else if (idx == -3) { + PrintAndLog("DEBUG: Preamble not found"); + } else if (idx == -4) { + PrintAndLog("DEBUG: Error in Manchester data, SIZE: %d", BitLen); + } else { + PrintAndLog("DEBUG: Error demoding fsk %d", idx); + } + } return 0; } - - GraphTraceLen = 4800; - for (int i = 0; i < GraphTraceLen; ++i) { - if (GraphBuffer[i] < 0) { - GraphBuffer[i] = 0; - } else { - GraphBuffer[i] = 1; + if (hi2==0 && hi==0 && lo==0) { + if (g_debugMode) PrintAndLog("DEBUG: Error - no values found"); + return 0; + } + if (hi2 != 0){ //extra large HID tags + PrintAndLog("HID Prox TAG ID: %x%08x%08x (%d)", + (unsigned int) hi2, (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF); + } + else { //standard HID tags <38 bits + uint8_t fmtLen = 0; + uint32_t fc = 0; + uint32_t cardnum = 0; + if (((hi>>5)&1)==1){//if bit 38 is set then < 37 bit format is used + uint32_t lo2=0; + lo2=(((hi & 31) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit + uint8_t idx3 = 1; + while(lo2>1){ //find last bit set to 1 (format len bit) + lo2=lo2>>1; + idx3++; + } + fmtLen =idx3+19; + fc =0; + cardnum=0; + if(fmtLen==26){ + cardnum = (lo>>1)&0xFFFF; + fc = (lo>>17)&0xFF; + } + if(fmtLen==34){ + cardnum = (lo>>1)&0xFFFF; + fc= ((hi&1)<<15)|(lo>>17); + } + if(fmtLen==35){ + cardnum = (lo>>1)&0xFFFFF; + fc = ((hi&1)<<11)|(lo>>21); + } + } + else { //if bit 38 is not set then 37 bit format is used + fmtLen = 37; + fc = 0; + cardnum = 0; + if(fmtLen == 37){ + cardnum = (lo>>1)&0x7FFFF; + fc = ((hi&0xF)<<12)|(lo>>20); + } } + PrintAndLog("HID Prox TAG ID: %x%08x (%d) - Format Len: %dbit - FC: %d - Card: %d", + (unsigned int) hi, (unsigned int) lo, (unsigned int) (lo>>1) & 0xFFFF, + (unsigned int) fmtLen, (unsigned int) fc, (unsigned int) cardnum); } - RepaintGraphWindow(); - return 0; + setDemodBuf(BitStream,BitLen,idx); + if (g_debugMode){ + PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, BitLen); + printDemodBuff(); + } + return 1; } -*/ -int CmdHIDDemodFSK(const char *Cmd) + +int CmdHIDReadFSK(const char *Cmd) { int findone=0; if(Cmd[0]=='1') findone=1; @@ -106,8 +174,8 @@ int CmdHIDClone(const char *Cmd) static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, - //{"demod", CmdHIDDemod, 1, "Demodulate HID Prox Card II (not optimal)"}, - {"fskdemod", CmdHIDDemodFSK, 0, "['1'] Realtime HID FSK demodulator (option '1' for one tag only)"}, + {"demod", CmdFSKdemodHID, 1, "Demodulate HID Prox from GraphBuffer"}, + {"read", CmdHIDReadFSK, 0, "['1'] Realtime HID FSK Read from antenna (option '1' for one tag only)"}, {"sim", CmdHIDSim, 0, " -- HID tag simulator"}, {"clone", CmdHIDClone, 0, " ['l'] -- Clone HID to T55x7 (tag must be in antenna)(option 'l' for 84bit ID)"}, {NULL, NULL, 0, NULL} diff --git a/client/cmdlfhid.h b/client/cmdlfhid.h index 7021492b..b03f7041 100644 --- a/client/cmdlfhid.h +++ b/client/cmdlfhid.h @@ -12,8 +12,8 @@ #define CMDLFHID_H__ int CmdLFHID(const char *Cmd); -//int CmdHIDDemod(const char *Cmd); -int CmdHIDDemodFSK(const char *Cmd); +int CmdFSKdemodHID(const char *Cmd); +int CmdHIDReadDemod(const char *Cmd); int CmdHIDSim(const char *Cmd); int CmdHIDClone(const char *Cmd); diff --git a/client/cmdlfio.c b/client/cmdlfio.c index e3769511..626fe639 100644 --- a/client/cmdlfio.c +++ b/client/cmdlfio.c @@ -11,10 +11,12 @@ #include "cmdmain.h" #include "cmddata.h" #include "cmdlf.h" +#include "lfdemod.h" //for IOdemodFSK + bytebits_to_byte +#include "util.h" //for sprint_bin_break static int CmdHelp(const char *Cmd); -int CmdIODemodFSK(const char *Cmd) +int CmdIOReadFSK(const char *Cmd) { int findone=0; if(Cmd[0]=='1') findone=1; @@ -24,20 +26,95 @@ int CmdIODemodFSK(const char *Cmd) SendCommand(&c); return 0; } -/* -int CmdIOProxDemod(const char *Cmd){ - if (GraphTraceLen < 4800) { - PrintAndLog("too short; need at least 4800 samples"); + +//by marshmellow +//IO-Prox demod - FSK RF/64 with preamble of 000000001 +//print ioprox ID and some format details +int CmdFSKdemodIO(const char *Cmd) +{ + int idx=0; + //something in graphbuffer? + if (GraphTraceLen < 65) { + if (g_debugMode)PrintAndLog("DEBUG: not enough samples in GraphBuffer"); return 0; } - GraphTraceLen = 4800; - for (int i = 0; i < GraphTraceLen; ++i) { - GraphBuffer[i] = (GraphBuffer[i] < 0) ? 0 : 1; + uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; + size_t BitLen = getFromGraphBuf(BitStream); + if (BitLen==0) return 0; + + //get binary from fsk wave + idx = IOdemodFSK(BitStream,BitLen); + if (idx<0){ + if (g_debugMode){ + if (idx==-1){ + PrintAndLog("DEBUG: Just Noise Detected"); + } else if (idx == -2) { + PrintAndLog("DEBUG: not enough samples"); + } else if (idx == -3) { + PrintAndLog("DEBUG: error during fskdemod"); + } else if (idx == -4) { + PrintAndLog("DEBUG: Preamble not found"); + } else if (idx == -5) { + PrintAndLog("DEBUG: Separator bits not found"); + } else { + PrintAndLog("DEBUG: Error demoding fsk %d", idx); + } + } + return 0; } - RepaintGraphWindow(); - return 0; -} -*/ + if (idx==0){ + if (g_debugMode){ + PrintAndLog("DEBUG: IO Prox Data not found - FSK Bits: %d",BitLen); + if (BitLen > 92) PrintAndLog("%s", sprint_bin_break(BitStream,92,16)); + } + return 0; + } + //Index map + //0 10 20 30 40 50 60 + //| | | | | | | + //01234567 8 90123456 7 89012345 6 78901234 5 67890123 4 56789012 3 45678901 23 + //----------------------------------------------------------------------------- + //00000000 0 11110000 1 facility 1 version* 1 code*one 1 code*two 1 ???????? 11 + // + //XSF(version)facility:codeone+codetwo (raw) + //Handle the data + if (idx+64>BitLen) { + if (g_debugMode) PrintAndLog("not enough bits found - bitlen: %d",BitLen); + return 0; + } + PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx], BitStream[idx+1], BitStream[idx+2], BitStream[idx+3], BitStream[idx+4], BitStream[idx+5], BitStream[idx+6], BitStream[idx+7], BitStream[idx+8]); + PrintAndLog("%d%d%d%d%d%d%d%d %d",BitStream[idx+9], BitStream[idx+10], BitStream[idx+11],BitStream[idx+12],BitStream[idx+13],BitStream[idx+14],BitStream[idx+15],BitStream[idx+16],BitStream[idx+17]); + PrintAndLog("%d%d%d%d%d%d%d%d %d facility",BitStream[idx+18], BitStream[idx+19], BitStream[idx+20],BitStream[idx+21],BitStream[idx+22],BitStream[idx+23],BitStream[idx+24],BitStream[idx+25],BitStream[idx+26]); + PrintAndLog("%d%d%d%d%d%d%d%d %d version",BitStream[idx+27], BitStream[idx+28], BitStream[idx+29],BitStream[idx+30],BitStream[idx+31],BitStream[idx+32],BitStream[idx+33],BitStream[idx+34],BitStream[idx+35]); + PrintAndLog("%d%d%d%d%d%d%d%d %d code1",BitStream[idx+36], BitStream[idx+37], BitStream[idx+38],BitStream[idx+39],BitStream[idx+40],BitStream[idx+41],BitStream[idx+42],BitStream[idx+43],BitStream[idx+44]); + PrintAndLog("%d%d%d%d%d%d%d%d %d code2",BitStream[idx+45], BitStream[idx+46], BitStream[idx+47],BitStream[idx+48],BitStream[idx+49],BitStream[idx+50],BitStream[idx+51],BitStream[idx+52],BitStream[idx+53]); + PrintAndLog("%d%d%d%d%d%d%d%d %d%d checksum",BitStream[idx+54],BitStream[idx+55],BitStream[idx+56],BitStream[idx+57],BitStream[idx+58],BitStream[idx+59],BitStream[idx+60],BitStream[idx+61],BitStream[idx+62],BitStream[idx+63]); + + uint32_t code = bytebits_to_byte(BitStream+idx,32); + uint32_t code2 = bytebits_to_byte(BitStream+idx+32,32); + uint8_t version = bytebits_to_byte(BitStream+idx+27,8); //14,4 + uint8_t facilitycode = bytebits_to_byte(BitStream+idx+18,8) ; + uint16_t number = (bytebits_to_byte(BitStream+idx+36,8)<<8)|(bytebits_to_byte(BitStream+idx+45,8)); //36,9 + uint8_t crc = bytebits_to_byte(BitStream+idx+54,8); + uint16_t calccrc = 0; + + for (uint8_t i=1; i<6; ++i){ + calccrc += bytebits_to_byte(BitStream+idx+9*i,8); + } + calccrc &= 0xff; + calccrc = 0xff - calccrc; + + char *crcStr = (crc == calccrc) ? "crc ok": "!crc"; + + PrintAndLog("IO Prox XSF(%02d)%02x:%05d (%08x%08x) [%02x %s]",version,facilitycode,number,code,code2, crc, crcStr); + setDemodBuf(BitStream,64,idx); + if (g_debugMode){ + PrintAndLog("DEBUG: idx: %d, Len: %d, Printing demod buffer:",idx,64); + printDemodBuff(); + } + return 1; +} + int CmdIOClone(const char *Cmd) { unsigned int hi = 0, lo = 0; @@ -67,8 +144,8 @@ int CmdIOClone(const char *Cmd) static command_t CommandTable[] = { {"help", CmdHelp, 1, "This help"}, - //{"demod", CmdIOProxDemod, 1, "Demodulate Stream"}, - {"fskdemod", CmdIODemodFSK, 0, "['1'] Realtime IO FSK demodulator (option '1' for one tag only)"}, + {"demod", CmdFSKdemodIO, 1, "Demodulate IO Prox tag from the GraphBuffer"}, + {"read", CmdIOReadFSK, 0, "['1'] Realtime IO FSK demodulate from antenna (option '1' for one tag only)"}, {"clone", CmdIOClone, 0, "Clone ioProx Tag"}, {NULL, NULL, 0, NULL} }; diff --git a/client/cmdlfio.h b/client/cmdlfio.h index 1b7daa0f..3b89c939 100644 --- a/client/cmdlfio.h +++ b/client/cmdlfio.h @@ -4,8 +4,8 @@ #ifndef CMDLFIO_H__ #define CMDLFIO_H__ -int CmdLFIO(const char *Cmd); - -int CmdIODemodFSK(const char *Cmd); +extern int CmdLFIO(const char *Cmd); +extern int CmdFSKdemodIO(const char *Cmd); +extern int CmdIOReadFSK(const char *Cmd); #endif diff --git a/client/cmdlfpyramid.c b/client/cmdlfpyramid.c index 2494f265..d1b4c293 100644 --- a/client/cmdlfpyramid.c +++ b/client/cmdlfpyramid.c @@ -9,13 +9,12 @@ #include #include #include -#include "cmdlfpyramid.h" #include "proxmark3.h" #include "ui.h" #include "util.h" #include "graph.h" #include "cmdparser.h" -#include "cmddata.h" +#include "cmddata.h" // setDemodBuf + #include "cmdmain.h" #include "cmdlf.h" #include "protocols.h" // for T55xx config register definitions @@ -27,7 +26,7 @@ static int CmdHelp(const char *Cmd); int usage_lf_pyramid_clone(void){ PrintAndLog("clone a Farpointe/Pyramid tag to a T55x7 tag."); PrintAndLog("The facility-code is 8-bit and the card number is 16-bit. Larger values are truncated. "); - PrintAndLog("Currently work only on 26bit"); + PrintAndLog("Currently only works on 26bit"); PrintAndLog(""); PrintAndLog("Usage: lf pyramid clone "); PrintAndLog("Options :"); @@ -85,6 +84,145 @@ int GetPyramidBits(uint32_t fc, uint32_t cn, uint8_t *pyramidBits) { return 1; } +//by marshmellow +//Pyramid Prox demod - FSK RF/50 with preamble of 0000000000000001 (always a 128 bit data stream) +//print full Farpointe Data/Pyramid Prox ID and some bit format details if found +int CmdFSKdemodPyramid(const char *Cmd) +{ + //raw fsk demod no manchester decoding no start bit finding just get binary from wave + uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0}; + size_t size = getFromGraphBuf(BitStream); + if (size==0) return 0; + + //get binary from fsk wave + int idx = PyramiddemodFSK(BitStream, &size); + if (idx < 0){ + if (g_debugMode){ + if (idx == -5) + PrintAndLog("DEBUG: Error - not enough samples"); + else if (idx == -1) + PrintAndLog("DEBUG: Error - only noise found"); + else if (idx == -2) + PrintAndLog("DEBUG: Error - problem during FSK demod"); + else if (idx == -3) + PrintAndLog("DEBUG: Error - Size not correct: %d", size); + else if (idx == -4) + PrintAndLog("DEBUG: Error - Pyramid preamble not found"); + else + PrintAndLog("DEBUG: Error - idx: %d",idx); + } + return 0; + } + // Index map + // 0 10 20 30 40 50 60 + // | | | | | | | + // 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 + // ----------------------------------------------------------------------------- + // 0000000 0 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 0000000 1 + // premable xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o xxxxxxx o + + // 64 70 80 90 100 110 120 + // | | | | | | | + // 4567890 1 2345678 9 0123456 7 8901234 5 6789012 3 4567890 1 2345678 9 0123456 7 + // ----------------------------------------------------------------------------- + // 0000000 1 0000000 1 0000000 1 0110111 0 0011000 1 0000001 0 0001100 1 1001010 0 + // xxxxxxx o xxxxxxx o xxxxxxx o xswffff o ffffccc o ccccccc o ccccccw o ppppppp o + // |---115---||---------71---------| + // s = format start bit, o = odd parity of last 7 bits + // f = facility code, c = card number + // w = wiegand parity, x = extra space for other formats + // p = unknown checksum + // (26 bit format shown) + + //get bytes for checksum calc + uint8_t checksum = bytebits_to_byte(BitStream + idx + 120, 8); + uint8_t csBuff[14] = {0x00}; + for (uint8_t i = 0; i < 13; i++){ + csBuff[i] = bytebits_to_byte(BitStream + idx + 16 + (i*8), 8); + } + //check checksum calc + //checksum calc thanks to ICEMAN!! + uint32_t checkCS = CRC8Maxim(csBuff,13); + + //get raw ID before removing parities + uint32_t rawLo = bytebits_to_byte(BitStream+idx+96,32); + uint32_t rawHi = bytebits_to_byte(BitStream+idx+64,32); + uint32_t rawHi2 = bytebits_to_byte(BitStream+idx+32,32); + uint32_t rawHi3 = bytebits_to_byte(BitStream+idx,32); + setDemodBuf(BitStream,128,idx); + + size = removeParity(BitStream, idx+8, 8, 1, 120); + if (size != 105){ + if (g_debugMode) + PrintAndLog("DEBUG: Error at parity check - tag size does not match Pyramid format, SIZE: %d, IDX: %d, hi3: %x",size, idx, rawHi3); + return 0; + } + + // ok valid card found! + + // Index map + // 0 10 20 30 40 50 60 70 + // | | | | | | | | + // 01234567890123456789012345678901234567890123456789012345678901234567890 + // ----------------------------------------------------------------------- + // 00000000000000000000000000000000000000000000000000000000000000000000000 + // xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + + // 71 80 90 100 + // | | | | + // 1 2 34567890 1234567890123456 7 8901234 + // --------------------------------------- + // 1 1 01110011 0000000001000110 0 1001010 + // s w ffffffff cccccccccccccccc w ppppppp + // |--115-| |------71------| + // s = format start bit, o = odd parity of last 7 bits + // f = facility code, c = card number + // w = wiegand parity, x = extra space for other formats + // p = unknown checksum + // (26 bit format shown) + + //find start bit to get fmtLen + int j; + for (j=0; j32){ + //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen-32); + //code2 = bytebits_to_byte(BitStream+(size-32),32); + PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo); + } else{ + //code1 = bytebits_to_byte(BitStream+(size-fmtLen),fmtLen); + PrintAndLog("Pyramid ID Found - BitLength: %d -unknown BitLength- (%d), Raw: %08x%08x%08x%08x", fmtLen, cardnum, rawHi3, rawHi2, rawHi, rawLo); + } + } + if (checksum == checkCS) + PrintAndLog("Checksum %02x passed", checksum); + else + PrintAndLog("Checksum %02x failed - should have been %02x", checksum, checkCS); + + if (g_debugMode){ + PrintAndLog("DEBUG: idx: %d, Len: %d, Printing Demod Buffer:", idx, 128); + printDemodBuff(); + } + return 1; +} + int CmdPyramidRead(const char *Cmd) { CmdLFRead("s"); getSamples("30000",false); @@ -181,10 +319,11 @@ int CmdPyramidSim(const char *Cmd) { } static command_t CommandTable[] = { - {"help", CmdHelp, 1, "This help"}, - {"read", CmdPyramidRead, 0, "Attempt to read and extract tag data"}, - {"clone", CmdPyramidClone, 0, " clone pyramid tag"}, - {"sim", CmdPyramidSim, 0, " simulate pyramid tag"}, + {"help", CmdHelp, 1, "This help"}, + {"demod", CmdFSKdemodPyramid, 1, "Demodulate a Pyramid FSK tag from the GraphBuffer"}, + {"read", CmdPyramidRead, 0, "Attempt to read and extract tag data"}, + {"clone", CmdPyramidClone, 0, " clone pyramid tag"}, + {"sim", CmdPyramidSim, 0, " simulate pyramid tag"}, {NULL, NULL, 0, NULL} }; diff --git a/client/cmdlfpyramid.h b/client/cmdlfpyramid.h index 73e8338a..80d81d2a 100644 --- a/client/cmdlfpyramid.h +++ b/client/cmdlfpyramid.h @@ -9,11 +9,10 @@ #ifndef CMDLFPYRAMID_H__ #define CMDLFPYRAMID_H__ -int CmdLFPyramid(const char *Cmd); -int CmdPyramidClone(const char *Cmd); -int CmdPyramidSim(const char *Cmd); - -int usage_lf_pyramid_clone(void); -int usage_lf_pyramid_sim(void); +extern int CmdLFPyramid(const char *Cmd); +extern int CmdPyramidClone(const char *Cmd); +extern int CmdPyramidSim(const char *Cmd); +extern int CmdFSKdemodPyramid(const char *Cmd); +extern int CmdPyramidRead(const char *Cmd); #endif