}
//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
int clk = 0;
int maxErr = 100;
int maxLen = 0;
- uint8_t askAmp = 0;
char amp = param_getchar(Cmd, 0);
uint8_t BitStream[MAX_GRAPH_TRACE_LEN] = {0};
sscanf(Cmd, "%i %i %i %i %c", &clk, &invert, &maxErr, &maxLen, &);
invert=1;
clk=0;
}
- 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;
+ //amp before ST check
+ if (amp == 'a' || amp == 'A')
+ askAmp(BitStream, BitLen);
+
bool st = false;
if (*stCheck) st = DetectST(BitStream, &BitLen, &foundclk);
if (st) {
clk = (clk == 0) ? foundclk : clk;
if (verbose || g_debugMode) PrintAndLog("\nFound Sequence Terminator");
}
- int errCnt = askdemod(BitStream, &BitLen, &clk, &invert, maxErr, askAmp, askType);
+
+ int errCnt = askdemod(BitStream, &BitLen, &clk, &invert, maxErr, 0, askType);
if (errCnt<0 || BitLen<16){ //if fatal error (or -1)
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;
}
int Cmdaskmandemod(const char *Cmd)
{
char cmdp = param_getchar(Cmd, 0);
- if (strlen(Cmd) > 25 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_am();
+ if (strlen(Cmd) > 45 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_am();
bool st = TRUE;
if (Cmd[0]=='s')
}
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;
}
int CmdFSKrawdemod(const char *Cmd)
{
char cmdp = param_getchar(Cmd, 0);
- if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_fs();
+ if (strlen(Cmd) > 20 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_fs();
return FSKrawDemod(Cmd, TRUE);
}
int CmdNRZrawDemod(const char *Cmd)
{
char cmdp = param_getchar(Cmd, 0);
- if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_nr();
+ if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_nr();
return NRZrawDemod(Cmd, TRUE);
}
{
int ans;
char cmdp = param_getchar(Cmd, 0);
- if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_p1();
+ if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_p1();
ans = PSKDemod(Cmd, TRUE);
//output
{
int ans = 0;
char cmdp = param_getchar(Cmd, 0);
- if (strlen(Cmd) > 10 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_p2();
+ if (strlen(Cmd) > 16 || cmdp == 'h' || cmdp == 'H') return usage_data_rawdemod_p2();
ans = PSKDemod(Cmd, TRUE);
if (!ans){
char cmdp2 = Cmd[1];
int ans = 0;
- if (strlen(Cmd) > 20 || cmdp == 'h' || cmdp == 'H' || strlen(Cmd) < 2)
+ if (strlen(Cmd) > 35 || cmdp == 'h' || cmdp == 'H' || strlen(Cmd) < 2)
return usage_data_rawdemod();
if (cmdp == 'f' && cmdp2 == 's')
}
}
+#define NON_VOLTAGE 999
+#define LF_UNUSABLE_V 2948 // was 2000. Changed due to bugfix in voltage measurements. LF results are now 47% higher.
+#define LF_MARGINAL_V 14739 // was 10000. Changed due to bugfix bug in voltage measurements. LF results are now 47% higher.
+#define HF_UNUSABLE_V 3167 // was 2000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
+#define HF_MARGINAL_V 7917 // was 5000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
+
int peakv, peakf;
int vLf125, vLf134, vHf;
vLf125 = resp.arg[0] & 0xffff;
peakf = resp.arg[2] & 0xffff;
peakv = resp.arg[2] >> 16;
PrintAndLog("");
- if ( vLf125 > 0 )
+ if ( vLf125 > NON_VOLTAGE )
PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125/1000.0);
- if ( vLf134 > 0 )
+ if ( vLf134 > NON_VOLTAGE )
PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134/1000.0);
- if ( peakv > 0 && peakf > 0 )
+ if ( peakv > NON_VOLTAGE && peakf > 0 )
PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1));
- if ( vHf > 0 )
+ if ( vHf > NON_VOLTAGE )
PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf/1000.0);
- #define LF_UNUSABLE_V 2948 // was 2000. Changed due to bugfix in voltage measurements. LF results are now 47% higher.
- #define LF_MARGINAL_V 14739 // was 10000. Changed due to bugfix bug in voltage measurements. LF results are now 47% higher.
- #define HF_UNUSABLE_V 3167 // was 2000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
- #define HF_MARGINAL_V 7917 // was 5000. Changed due to bugfix in voltage measurements. HF results are now 58% higher.
+
if (peakv < LF_UNUSABLE_V)
PrintAndLog("# Your LF antenna is unusable.");
GraphBuffer[GraphTraceLen] = atoi(line);
GraphTraceLen++;
}
- if (f) {
+ if (f)
fclose(f);
- f = NULL;
- }
+
PrintAndLog("loaded %d samples", GraphTraceLen);
RepaintGraphWindow();
return 0;
for (int i = 0; i < GraphTraceLen; i++)
fprintf(f, "%d\n", GraphBuffer[i]);
- if (f) {
+ if (f)
fclose(f);
- f = NULL;
- }
+
PrintAndLog("saved to '%s'", Cmd);
return 0;
}
projects / proxmark3-svn / blobdiff