}
int usage_data_printdemodbuf(){
- PrintAndLog("Usage: data printdemodbuffer x o <offset>");
- PrintAndLog("Options: ");
- PrintAndLog(" h This help");
- PrintAndLog(" x output in hex (omit for binary output)");
- PrintAndLog(" o <offset> enter offset in # of bits");
- return 0;
+ PrintAndLog("Usage: data printdemodbuffer x o <offset>");
+ PrintAndLog("Options:");
+ PrintAndLog(" h This help");
+ PrintAndLog(" x output in hex (omit for binary output)");
+ PrintAndLog(" o <offset> enter offset in # of bits");
+ return 0;
}
//by marshmellow
//print full AWID Prox ID and some bit format details if found
int CmdFSKdemodAWID(const char *Cmd)
{
-
- //int verbose=1;
- //sscanf(Cmd, "%i", &verbose);
-
//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);
uint32_t fc = 0;
uint32_t cardnum = 0;
uint32_t code1 = 0;
- //uint32_t code2 = 0;
if (fmtLen==26){
fc = bytebits_to_byte(BitStream+73, 8);
cardnum = bytebits_to_byte(BitStream+81, 16);
if (g_debugMode) PrintAndLog("Error FDXBDemod , no startmarker found :: %d",preambleIndex);
return 0;
}
+ if (size != 128) {
+ if (g_debugMode) PrintAndLog("Error incorrect data length found");
+ return 0;
+ }
setDemodBuf(BitStream, 128, preambleIndex);
//invalid carrier
return 0;
}
+ if (g_debugMode){
+ PrintAndLog("Carrier: rf/%d",carrier);
+ }
int errCnt=0;
errCnt = pskRawDemod(BitStream, &BitLen, &clk, &invert);
if (errCnt > maxErr){
return 0;
}
uint8_t invert=0;
- ans = indala26decode(DemodBuffer, &DemodBufferLen, &invert);
- if (ans < 1) {
+ size_t size = DemodBufferLen;
+ size_t startIdx = indala26decode(DemodBuffer, &size, &invert);
+ if (startIdx < 1 || size > 224) {
if (g_debugMode==1)
PrintAndLog("Error2: %d",ans);
return -1;
}
- char showbits[251]={0x00};
+ setDemodBuf(DemodBuffer, size, startIdx);
if (invert)
if (g_debugMode==1)
PrintAndLog("Had to invert bits");
+ PrintAndLog("BitLen: %d",DemodBufferLen);
//convert UID to HEX
uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;
- int idx;
- uid1=0;
- uid2=0;
- PrintAndLog("BitLen: %d",DemodBufferLen);
+ uid1=bytebits_to_byte(DemodBuffer,32);
+ uid2=bytebits_to_byte(DemodBuffer+32,32);
if (DemodBufferLen==64){
- for( idx=0; idx<64; idx++) {
- uid1=(uid1<<1)|(uid2>>31);
- if (DemodBuffer[idx] == 0) {
- uid2=(uid2<<1)|0;
- showbits[idx]='0';
- } else {
- uid2=(uid2<<1)|1;
- showbits[idx]='1';
- }
- }
- showbits[idx]='\0';
- PrintAndLog("Indala UID=%s (%x%08x)", showbits, uid1, uid2);
- }
- else {
- uid3=0;
- uid4=0;
- uid5=0;
- uid6=0;
- uid7=0;
- for( idx=0; idx<DemodBufferLen; idx++) {
- uid1=(uid1<<1)|(uid2>>31);
- uid2=(uid2<<1)|(uid3>>31);
- uid3=(uid3<<1)|(uid4>>31);
- uid4=(uid4<<1)|(uid5>>31);
- uid5=(uid5<<1)|(uid6>>31);
- uid6=(uid6<<1)|(uid7>>31);
- if (DemodBuffer[idx] == 0) {
- uid7=(uid7<<1)|0;
- showbits[idx]='0';
- }
- else {
- uid7=(uid7<<1)|1;
- showbits[idx]='1';
- }
- }
- showbits[idx]='\0';
- PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)", showbits, uid1, uid2, uid3, uid4, uid5, uid6, uid7);
+ PrintAndLog("Indala UID=%s (%x%08x)", sprint_bin(DemodBuffer,DemodBufferLen), uid1, uid2);
+ } else {
+ uid3=bytebits_to_byte(DemodBuffer+64,32);
+ uid4=bytebits_to_byte(DemodBuffer+96,32);
+ uid5=bytebits_to_byte(DemodBuffer+128,32);
+ uid6=bytebits_to_byte(DemodBuffer+160,32);
+ uid7=bytebits_to_byte(DemodBuffer+192,32);
+ PrintAndLog("Indala UID=%s (%x%08x%08x%08x%08x%08x%08x)",
+ sprint_bin(DemodBuffer,DemodBufferLen), uid1, uid2, uid3, uid4, uid5, uid6, uid7);
}
if (g_debugMode){
PrintAndLog("DEBUG: printing demodbuffer:");
size_t BitLen = getFromGraphBuf(BitStream);
if (BitLen==0) return 0;
int errCnt=0;
- errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert, maxErr);
+ errCnt = nrzRawDemod(BitStream, &BitLen, &clk, &invert);
if (errCnt > maxErr){
if (g_debugMode) PrintAndLog("Too many errors found, clk: %d, invert: %d, numbits: %d, errCnt: %d",clk,invert,BitLen,errCnt);
return 0;
return ans;
}
-int AmVikingDecode(const uint8_t *id){
- // searching the buffer for the id
- //uint8_t id_bits[32];
- // convert 4 bytes of id to 32 bits present in 32 bytes data;
- //bytes_to_bits(id,4,id_bits,sizeof(id_bits));
-
- //print_arraybinary(id_bits,sizeof(id_bits));
- PrintAndLog(" binary: %s", printBits(4, id) );
-
- //size_t idx = 0;
- size_t BitLen = DemodBufferLen;
- uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
- memcpy(BitStream, DemodBuffer, BitLen);
-
- // if (VikingDecode(BitStream,BitLen,&idx,id_bits,sizeof(id_bits)) == 1)
- // {
- // setDemodBuf(BitStream,64, idx);
- // PrintAndLog("Found Viking tag\n");
- // CmdPrintDemodBuff("x");
- // }
- // else
- // {
- // PrintAndLog("Not found Viking tag\n");
- // }
- return 0;
-}
-int AMVikingDemod(const uint8_t *id){
- // demod am clock 32 fail
- if (!ASKDemod("32",g_debugMode,false,1))
- return 0;
- // search for the card id from bitstream.
- return AmVikingDecode(id);
-}
-//by Gusto
-// takes 1 argument <8 bytes of Hex number on the card
-// print binary found and saves in grapbuffer for further commands
-int CmdAMVikingDemod(const char *Cmd){
- uint8_t id[4];
- if (param_gethex(Cmd,0,id,8) == 1)
- {
- PrintAndLog("Usage: data vikingdemod CardID 8 bytes of hex number");
- return 0;
- }
- PrintAndLog("Card ID : %02X%02X%02X%02X\n",id[0],id[1],id[2],id[3]);
- // try to demod AMViking
- return AMVikingDemod(id);
-}
-
int CmdGrid(const char *Cmd)
{
sscanf(Cmd, "%i %i", &PlotGridX, &PlotGridY);
{"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 AM tag from GraphBuffer"},
{"autocorr", CmdAutoCorr, 1, "[window length] [g] -- Autocorrelation over window - g to save back to GraphBuffer (overwrite)"},
{"biphaserawdecode",CmdBiphaseDecodeRaw,1, "[offset] [invert<0|1>] [maxErr] -- Biphase decode bin stream in DemodBuffer (offset = 0|1 bits to shift the decode start)"},
{"bin2hex", Cmdbin2hex, 1, "bin2hex <digits> -- Converts binary to hexadecimal"},
{"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"},
- {"vikingdemod", CmdAMVikingDemod, 1, "Demodulate a Viking AM 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"},
projects / proxmark3-svn / blobdiff