X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/04bb05670dfaac4ba29bbd614c3530036fdb6433..07b5a3c3ba774ec93007827cf1233b4edb699bad:/client/cmddata.c diff --git a/client/cmddata.c b/client/cmddata.c index 089e7d5f..cf105f88 100644 --- a/client/cmddata.c +++ b/client/cmddata.c @@ -23,6 +23,7 @@ #include "lfdemod.h" #include "usb_cmd.h" #include "crc.h" +#include "crc16.h" uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN]; uint8_t g_debugMode; @@ -498,7 +499,7 @@ int ASKbiphaseDemod(const char *Cmd, bool verbose) { //ask raw demod GraphBuffer first int offset=0, clk=0, invert=0, maxErr=0, ans=0; - ans = sscanf(Cmd, "%i %i %i %i", &offset, &clk, &invert, &maxErr); + ans = sscanf(Cmd, "%i %i 0 %i", &offset, &clk, &maxErr); if (ans>0) ans = ASKDemod(Cmd+2, FALSE, FALSE, 0); else @@ -512,7 +513,7 @@ int ASKbiphaseDemod(const char *Cmd, bool verbose) size_t size = DemodBufferLen; uint8_t BitStream[MAX_DEMOD_BUF_LEN]; memcpy(BitStream, DemodBuffer, DemodBufferLen); - int errCnt = BiphaseRawDecode(BitStream, &size, offset, 0); + int errCnt = BiphaseRawDecode(BitStream, &size, offset, invert); if (errCnt < 0){ if (g_debugMode || verbose) PrintAndLog("Error BiphaseRawDecode: %d", errCnt); return 0; @@ -1457,13 +1458,13 @@ int CmdFSKdemodPyramid(const char *Cmd) return 1; } -// ISO11784/85 demod (aka animal tag) BIPHASE, inverted, rf/32, with preamble of 00000000001 (128bits) +// 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 // NATIONAL CODE, ICAR database -// COUNTRY CODE (ISO3166) +// COUNTRY CODE (ISO3166) or http://cms.abvma.ca/uploads/ManufacturersISOsandCountryCodes.pdf // FLAG (animal/non-animal) -int CmdIso11784demodBI(const char *Cmd){ +int CmdFDXBdemodBI(const char *Cmd){ int invert = 1; int clk = 32; @@ -1474,7 +1475,7 @@ int CmdIso11784demodBI(const char *Cmd){ errCnt = askdemod(BitStream, &size, &clk, &invert, maxErr, 0, 0); if ( errCnt < 0 || errCnt > maxErr ) { - if (g_debugMode) PrintAndLog("DEBUG: no data or error found %d, clock: 32", errCnt); + if (g_debugMode) PrintAndLog("DEBUG: no data or error found %d, clock: %d", errCnt, clk); return 0; } @@ -1484,26 +1485,29 @@ int CmdIso11784demodBI(const char *Cmd){ return 0; } - int preambleIndex = ISO11784demodBI(BitStream, &size); + int preambleIndex = FDXBdemodBI(BitStream, &size); if (preambleIndex < 0){ - if (g_debugMode) PrintAndLog("Error ISO11784Demod , no startmarker found :: %d",preambleIndex); + if (g_debugMode) PrintAndLog("Error FDXBDemod , no startmarker found :: %d",preambleIndex); return 0; } setDemodBuf(BitStream, 128, preambleIndex); - //printDemodBuff(); - size = removeParity(BitStream, preambleIndex + 11, 9, 1, 117); - if ( size <= 0 ) { + // remove but don't verify parity. (pType = 2) + size = removeParity(BitStream, preambleIndex + 11, 9, 2, 117); + if ( size <= 103 ) { if (g_debugMode) PrintAndLog("Error removeParity:: %d", size); return 0; } - PrintAndLog("startmarker %d; Size %d", preambleIndex, size); + if (g_debugMode) { + char *bin = sprint_bin_break(BitStream,size,16); + PrintAndLog("DEBUG BinStream:\n%s",bin); + } + PrintAndLog("\nFDX-B / ISO 11784/5 Animal Tag ID Found:"); + if (g_debugMode) PrintAndLog("Start marker %d; Size %d", preambleIndex, size); - //return 1; //got a good demod - uint32_t NationalCodeA = bytebits_to_byteLSBF(BitStream,32); - uint32_t NationalCodeB = bytebits_to_byteLSBF(BitStream+32,6); + uint64_t NationalCode = ((uint64_t)(bytebits_to_byteLSBF(BitStream+32,6)) << 32) | bytebits_to_byteLSBF(BitStream,32); uint32_t countryCode = bytebits_to_byteLSBF(BitStream+38,10); uint8_t dataBlockBit = BitStream[48]; uint32_t reservedCode = bytebits_to_byteLSBF(BitStream+49,14); @@ -1511,25 +1515,22 @@ int CmdIso11784demodBI(const char *Cmd){ uint32_t crc16 = bytebits_to_byteLSBF(BitStream+64,16); uint32_t extended = bytebits_to_byteLSBF(BitStream+80,24); - PrintAndLog("NationalCode: %x%08x",NationalCodeB,NationalCodeA); - //add rest of print code here... - /* - uint8_t ByteStream[16] = {0x00}; - uint8_t bitCnt = 0; - uint8_t ByteCnt = 0; - size_t startIdx = preambleIndex + 11; //start after preamble - for (size_t idx = 0; idx < size-11; idx++){ - - //lsb first - ByteStream[ByteCnt] = ByteStream[ByteCnt] | (BitStream[startIdx+idx] << bitCnt); - bitCnt++; - if (bitCnt % 8 == 0){ - if (g_debugMode) PrintAndLog("byte %d: %02x", ByteCnt, ByteStream[ByteCnt]); - bitCnt = 0; - ByteCnt++; - } - } - */ + uint64_t rawid = ((uint64_t)bytebits_to_byte(BitStream,32)<<32) | bytebits_to_byte(BitStream+32,32); + uint8_t raw[8]; + num_to_bytes(rawid, 8, raw); + + if (g_debugMode) PrintAndLog("Raw ID Hex: %s", sprint_hex(raw,8)); + + uint16_t calcCrc = crc16_ccitt_kermit(raw, 8); + PrintAndLog("Animal ID: %04u-%012llu", countryCode, NationalCode); + PrintAndLog("National Code: %012llu", NationalCode); + PrintAndLog("CountryCode: %04u", countryCode); + PrintAndLog("Extended Data: %s", dataBlockBit ? "True" : "False"); + PrintAndLog("reserved Code: %u", reservedCode); + PrintAndLog("Animal Tag: %s", animalBit ? "True" : "False"); + PrintAndLog("CRC: 0x%04X - [%04X] - %s", crc16, calcCrc, (calcCrc == crc16) ? "Passed" : "Failed"); + PrintAndLog("Extended: 0x%X\n", extended); + return 1; } @@ -2278,6 +2279,7 @@ static command_t CommandTable[] = {"buffclear", CmdBuffClear, 1, "Clear sample buffer and graph window"}, {"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"},