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ADD 'lf nexawatch' by marshmellow42

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ADD 'lf securakey'  by marshmellow42
ADD 'lf pac'  by marshmellow42
chg: parity.h got some love from pm3 master.
This commit is contained in:
iceman1001 2017-07-14 15:51:12 +02:00
commit d2f79fa83f
12 changed files with 444 additions and 58 deletions
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46
client/cmddata.c
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@ -1865,51 +1865,6 @@ int CmdIndalaDecode(const char *Cmd)
return 1;
}
int CmdPSKNexWatch(const char *Cmd)
{
if (!PSKDemod("", false)) return 0;
uint8_t preamble[28] = {0,0,0,0,0,1,0,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
size_t startIdx = 0, size = DemodBufferLen;
// sanity check.
if ( size < sizeof(preamble) + 100) return 0;
bool invert = false;
if (!preambleSearch(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx)){
// if didn't find preamble try again inverting
if (!PSKDemod("1", false)) return 0;
size = DemodBufferLen;
if (!preambleSearch(DemodBuffer, preamble, sizeof(preamble), &size, &startIdx)) return 0;
invert = true;
}
if (size != 128) return 0;
setDemodBuf(DemodBuffer, size, startIdx+4);
startIdx = 8+32; //4 = extra i added, 8 = preamble, 32 = reserved bits (always 0)
//get ID
uint32_t ID = 0;
for (uint8_t wordIdx=0; wordIdx<4; wordIdx++){
for (uint8_t idx=0; idx<8; idx++){
ID = (ID << 1) | DemodBuffer[startIdx+wordIdx+(idx*4)];
}
}
//parity check (TBD)
//checksum check (TBD)
//output
PrintAndLog("NexWatch ID: %d", ID);
if (invert){
PrintAndLog("DEBUG: Error - NexWatch had to Invert - probably NexKey");
for (uint8_t idx=0; idx<size; idx++)
DemodBuffer[idx] ^= 1;
}
CmdPrintDemodBuff("x");
return 1;
}
int CmdPSKIdteck(const char *Cmd) {
if (!PSKDemod("", false)) {
@ -2624,7 +2579,6 @@ static command_t CommandTable[] =
{"plot", CmdPlot, 1, "Show graph window (hit 'h' in window for keystroke help)"},
{"printdemodbuffer",CmdPrintDemodBuff, 1, "[x] [o] <offset> [l] <length> -- print the data in the DemodBuffer - 'x' for hex output"},
{"pskindalademod", CmdIndalaDecode, 1, "[clock] [invert<0|1>] -- Demodulate an indala tag (PSK1) from GraphBuffer (args optional)"},
{"psknexwatchdemod",CmdPSKNexWatch, 1, "Demodulate a NexWatch tag (nexkey, quadrakey) (PSK1) from GraphBuffer"},
{"rawdemod", CmdRawDemod, 1, "[modulation] ... <options> -see help (h option) -- Demodulate the data in the GraphBuffer and output binary"},
{"samples", CmdSamples, 0, "[512 - 40000] -- Get raw samples for graph window (GraphBuffer)"},
{"save", CmdSave, 1, "<filename> -- Save trace (from graph window)"},