}
//Validations
if(errors) return usage_data_printdemodbuf();
+
+ if (DemodBufferLen == 0) {
+ PrintAndLog("Demodbuffer is empty");
+ return 0;
+ }
length = (length > (DemodBufferLen-offset)) ? DemodBufferLen-offset : length;
int numBits = (length) & 0x00FFC; //make sure we don't exceed our string
}
if (amp == 'a' || amp == 'A') askAmp=1;
size_t BitLen = getFromGraphBuf(BitStream);
- if (g_debugMode) PrintAndLog("DEBUG: Bitlen from grphbuff: %d",BitLen);
+ if (g_debugMode) PrintAndLog("DEBUG: Bitlen from grphbuff: %d", BitLen);
if (BitLen<255) return 0;
if (maxLen<BitLen && maxLen != 0) BitLen = maxLen;
int foundclk = 0;
if (g_debugMode) PrintAndLog("DEBUG: no data found %d, errors:%d, bitlen:%d, clock:%d",errCnt,invert,BitLen,clk);
return 0;
}
- if (errCnt>maxErr){
+ if (errCnt > maxErr){
if (g_debugMode) PrintAndLog("DEBUG: Too many errors found, errors:%d, bits:%d, clock:%d",errCnt, BitLen, clk);
return 0;
}
}
sscanf(Cmd, "%i %i", &invert, &maxErr);
- size=i;
- errCnt=manrawdecode(BitStream, &size, invert);
+ size = i;
+ errCnt = manrawdecode(BitStream, &size, invert);
if (errCnt >= maxErr){
PrintAndLog("Too many errors: %d",errCnt);
return 0;
ByteStream[idx] = ((uint8_t)bytebits_to_byteLSBF(bits_no_spacer+8 + (idx*8),8)) ^ xorKey;
if (g_debugMode) PrintAndLog("DEBUG: gProxII byte %u after xor: %02x", (unsigned int)idx, ByteStream[idx]);
}
- //now ByteStream contains 8 Bytes (64 bits) of decrypted raw tag data
- //
+
+ //ByteStream contains 8 Bytes (64 bits) of decrypted raw tag data
uint8_t fmtLen = ByteStream[0]>>2;
uint32_t FC = 0;
uint32_t Card = 0;
uint32_t raw1 = bytebits_to_byte(DemodBuffer+ans,32);
uint32_t raw2 = bytebits_to_byte(DemodBuffer+ans+32, 32);
uint32_t raw3 = bytebits_to_byte(DemodBuffer+ans+64, 32);
-
- if (fmtLen==36){
- FC = ((ByteStream[3] & 0x7F)<<7) | (ByteStream[4]>>1);
- Card = ((ByteStream[4]&1)<<19) | (ByteStream[5]<<11) | (ByteStream[6]<<3) | (ByteStream[7]>>5);
- PrintAndLog("G-Prox-II Found: FmtLen %d, FC %u, Card %u", (int)fmtLen, FC, Card);
- } else if(fmtLen==26){
- FC = ((ByteStream[3] & 0x7F)<<1) | (ByteStream[4]>>7);
- Card = ((ByteStream[4]&0x7F)<<9) | (ByteStream[5]<<1) | (ByteStream[6]>>7);
- PrintAndLog("G-Prox-II Found: FmtLen %d, FC %u, Card %u", (int)fmtLen, FC, Card);
- } else {
- PrintAndLog("Unknown G-Prox-II Fmt Found: FmtLen %d",(int)fmtLen);
- PrintAndLog("Decoded Raw: %s", sprint_hex(ByteStream, 8));
+ bool unknown = FALSE;
+ switch(fmtLen) {
+ case 36:
+ FC = ((ByteStream[3] & 0x7F)<<7) | (ByteStream[4]>>1);
+ Card = ((ByteStream[4]&1)<<19) | (ByteStream[5]<<11) | (ByteStream[6]<<3) | (ByteStream[7]>>5);
+ break;
+ case 26:
+ FC = ((ByteStream[3] & 0x7F)<<1) | (ByteStream[4]>>7);
+ Card = ((ByteStream[4]&0x7F)<<9) | (ByteStream[5]<<1) | (ByteStream[6]>>7);
+ break;
+ default :
+ unknown = TRUE;
+ break;
}
- PrintAndLog("Raw: %08x%08x%08x", raw1,raw2,raw3);
+ if ( !unknown)
+ PrintAndLog("G-Prox-II Found: Format Len: %ubit - FC: %u - Card: %u, Raw: %08x%08x%08x", fmtLen, FC, Card, raw1, raw2, raw3);
+ else
+ PrintAndLog("Unknown G-Prox-II Fmt Found: Format Len: %u, Raw: %08x%08x%08x", fmtLen, raw1, raw2, raw3);
+
setDemodBuf(DemodBuffer+ans, 96, 0);
return 1;
}
PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125/1000.0);
if ( vLf134 > NON_VOLTAGE )
PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134/1000.0);
- if ( peakv > NON_VOLTAGE && peakf > NON_VOLTAGE )
+ if ( peakv > NON_VOLTAGE && peakf > 0 )
PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1));
if ( vHf > NON_VOLTAGE )
PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf/1000.0);