PrintAndLog("Usage: lf read");
PrintAndLog("Options: ");
PrintAndLog(" h This help");
+ PrintAndLog(" s silent run no printout");
PrintAndLog("This function takes no arguments. ");
PrintAndLog("Use 'lf config' to set parameters.");
return 0;
int CmdLFRead(const char *Cmd)
{
- uint8_t cmdp =0;
- if(param_getchar(Cmd, cmdp) == 'h')
+ uint8_t cmdp = 0;
+ bool arg1 = false;
+ if (param_getchar(Cmd, cmdp) == 'h')
{
return usage_lf_read();
}
+ if (param_getchar(Cmd, cmdp) == 's') arg1 = true; //suppress print
//And ship it to device
- UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K};
+ UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {arg1,0,0}};
SendCommand(&c);
//WaitForResponse(CMD_ACK,NULL);
if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
}
}
}
-//appears to attempt to simulate manchester
+//Attempt to simulate any wave in buffer (one bit per output sample)
+// converts GraphBuffer to bitstream (based on zero crossings) if needed.
int CmdLFSim(const char *Cmd)
{
int i,j;
sscanf(Cmd, "%i", &gap);
- /* convert to bitstream if necessary */
+ // convert to bitstream if necessary
ChkBitstream(Cmd);
- //can send 512 bits at a time (1 byte sent per bit...)
+ //can send only 512 bits at a time (1 byte sent per bit...)
printf("Sending [%d bytes]", GraphTraceLen);
for (i = 0; i < GraphTraceLen; i += USB_CMD_DATA_SIZE) {
UsbCommand c={CMD_DOWNLOADED_SIM_SAMPLES_125K, {i, 0, 0}};
int usage_lf_simask(void)
{
//print help
- PrintAndLog("Usage: lf simask [c <clock>] [i] [m|r] [s] [d <raw hex to sim>]");
+ PrintAndLog("Usage: lf simask [c <clock>] [i] [b|m|r] [s] [d <raw hex to sim>]");
PrintAndLog("Options: ");
PrintAndLog(" h This help");
PrintAndLog(" c <clock> Manually set clock - can autodetect if using DemodBuffer");
PrintAndLog(" i invert data");
- PrintAndLog(" m sim ask/manchester");
+ PrintAndLog(" b sim ask/biphase");
+ PrintAndLog(" m sim ask/manchester - Default");
PrintAndLog(" r sim ask/raw");
PrintAndLog(" s TBD- -to enable a gap between playback repetitions - default: no gap");
PrintAndLog(" d <hexdata> Data to sim as hex - omit to sim from DemodBuffer");
// - allow pull data from DemodBuffer
int CmdLFfskSim(const char *Cmd)
{
- //might be able to autodetect FC and clock from Graphbuffer if using demod buffer
- //will need FChigh, FClow, Clock, and bitstream
+ //might be able to autodetect FCs and clock from Graphbuffer if using demod buffer
+ // otherwise will need FChigh, FClow, Clock, and bitstream
uint8_t fcHigh=0, fcLow=0, clk=0;
uint8_t invert=0;
bool errors = FALSE;
} else {
setDemodBuf(data, dataLen, 0);
}
+
+ //default if not found
if (clk == 0) clk = 50;
if (fcHigh == 0) fcHigh = 10;
if (fcLow == 0) fcLow = 8;
int CmdLFaskSim(const char *Cmd)
{
//autodetect clock from Graphbuffer if using demod buffer
- //will need clock, invert, manchester/raw as m or r, separator as s, and bitstream
- uint8_t manchester = 1, separator = 0;
- //char cmdp = Cmd[0], par3='m', par4=0;
+ // needs clock, invert, manchester/raw as m or r, separator as s, and bitstream
+ uint8_t encoding = 1, separator = 0;
uint8_t clk=0, invert=0;
bool errors = FALSE;
char hexData[32] = {0x00};
errors |= param_getdec(Cmd,cmdp+1,&clk);
cmdp+=2;
break;
+ case 'b':
+ encoding=2; //biphase
+ cmdp++;
+ break;
case 'm':
- manchester=1;
+ encoding=1;
cmdp++;
break;
case 'r':
- manchester=0;
+ encoding=0;
cmdp++;
break;
case 's':
setDemodBuf(data, dataLen, 0);
}
if (clk == 0) clk = 64;
- if (manchester == 0) clk = clk/2; //askraw needs to double the clock speed
+ if (encoding == 0) clk = clk/2; //askraw needs to double the clock speed
uint16_t arg1, arg2;
size_t size=DemodBufferLen;
- arg1 = clk << 8 | manchester;
+ arg1 = clk << 8 | encoding;
arg2 = invert << 8 | separator;
if (size > USB_CMD_DATA_SIZE) {
PrintAndLog("DemodBuffer too long for current implementation - length: %d - max: %d", size, USB_CMD_DATA_SIZE);
return 0;
}
-/* simulate an LF Manchester encoded tag with specified bitstream, clock rate and inter-id gap */
-/*
-int CmdLFSimManchester(const char *Cmd)
-{
- static int clock, gap;
- static char data[1024], gapstring[8];
-
- sscanf(Cmd, "%i %s %i", &clock, &data[0], &gap);
-
- ClearGraph(0);
-
- for (int i = 0; i < strlen(data) ; ++i)
- AppendGraph(0, clock, data[i]- '0');
-
- CmdManchesterMod("");
-
- RepaintGraphWindow();
-
- sprintf(&gapstring[0], "%i", gap);
- CmdLFSim(gapstring);
- return 0;
-}
-*/
-
int CmdVchDemod(const char *Cmd)
{
// Is this the entire sync pattern, or does this also include some
int ans=0;
char cmdp = param_getchar(Cmd, 0);
char testRaw = param_getchar(Cmd, 1);
- if (strlen(Cmd) > 2 || cmdp == 'h' || cmdp == 'H') {
+ if (strlen(Cmd) > 3 || cmdp == 'h' || cmdp == 'H') {
PrintAndLog("Usage: lf search <0|1> [u]");
PrintAndLog(" <use data from Graphbuffer> , if not set, try reading data from tag.");
PrintAndLog(" [Search for Unknown tags] , if not set, reads only known tags.");
PrintAndLog(" : lf search 1 = use data from GraphBuffer & search for known tags");
PrintAndLog(" : lf search u = try reading data from tag & search for known and unknown tags");
PrintAndLog(" : lf search 1 u = use data from GraphBuffer & search for known and unknown tags");
-
return 0;
}
if (!offline && (cmdp != '1')){
- ans=CmdLFRead("");
- ans=CmdSamples("20000");
+ CmdLFRead("s");
+ getSamples("30000",false);
} else if (GraphTraceLen < 1000) {
PrintAndLog("Data in Graphbuffer was too small.");
return 0;
}
if (cmdp == 'u' || cmdp == 'U') testRaw = 'u';
+
PrintAndLog("NOTE: some demods output possible binary\n if it finds something that looks like a tag");
PrintAndLog("False Positives ARE possible\n");
PrintAndLog("\nChecking for known tags:\n");
+
ans=CmdFSKdemodIO("");
+
if (ans>0) {
PrintAndLog("\nValid IO Prox ID Found!");
return 1;
}
+
ans=CmdFSKdemodPyramid("");
if (ans>0) {
PrintAndLog("\nValid Pyramid ID Found!");
return 1;
}
+
ans=CmdFSKdemodParadox("");
if (ans>0) {
PrintAndLog("\nValid Paradox ID Found!");
return 1;
}
+
ans=CmdFSKdemodAWID("");
if (ans>0) {
PrintAndLog("\nValid AWID ID Found!");
return 1;
}
+
ans=CmdFSKdemodHID("");
if (ans>0) {
PrintAndLog("\nValid HID Prox ID Found!");
return 1;
}
+
//add psk and indala
ans=CmdIndalaDecode("");
if (ans>0) {
PrintAndLog("\nValid Indala ID Found!");
return 1;
}
+
ans=CmdAskEM410xDemod("");
if (ans>0) {
PrintAndLog("\nValid EM410x ID Found!");
return 1;
}
+
ans=CmdG_Prox_II_Demod("");
if (ans>0) {
PrintAndLog("\nValid G Prox II ID Found!");
return 1;
}
+
+ ans=EM4x50Read("", false);
+ if (ans>0) {
+ PrintAndLog("\nValid EM4x50 ID Found!");
+ return 1;
+ }
+
+ ans=CmdPSKNexWatch("");
+ if (ans>0) {
+ PrintAndLog("\nValid NexWatch ID Found!");
+ return 1;
+ }
+
PrintAndLog("\nNo Known Tags Found!\n");
if (testRaw=='u' || testRaw=='U'){
//test unknown tag formats (raw mode)
PrintAndLog("\nChecking for Unknown tags:\n");
- ans=CmdDetectClockRate("f");
+ ans=AutoCorrelate(4000, FALSE, FALSE);
+
+ if (ans > 0) {
+
+ PrintAndLog("Possible Auto Correlation of %d repeating samples",ans);
+
+ if ( ans % 8 == 0) {
+ int bytes = (ans / 8);
+ PrintAndLog("Possible %d bytes", bytes);
+ int blocks = 0;
+ if ( bytes % 2 == 0) {
+ blocks = (bytes / 2);
+ PrintAndLog("Possible 2 blocks, width %d", blocks);
+ }
+ if ( bytes % 4 == 0) {
+ blocks = (bytes / 4);
+ PrintAndLog("Possible 4 blocks, width %d", blocks);
+ }
+ if ( bytes % 8 == 0) {
+ blocks = (bytes / 8);
+ PrintAndLog("Possible 8 blocks, width %d", blocks);
+ }
+ if ( bytes % 16 == 0) {
+ blocks = (bytes / 16);
+ PrintAndLog("Possible 16 blocks, width %d", blocks);
+ }
+ }
+ }
+ ans=GetFskClock("",FALSE,FALSE);
if (ans != 0){ //fsk
- ans=CmdFSKrawdemod("");
+ ans=FSKrawDemod("",TRUE);
if (ans>0) {
PrintAndLog("\nUnknown FSK Modulated Tag Found!");
return 1;
}
}
- ans=Cmdaskmandemod("");
+ ans=ASKDemod("0 0 0",TRUE,FALSE,1);
if (ans>0) {
PrintAndLog("\nUnknown ASK Modulated and Manchester encoded Tag Found!");
+ PrintAndLog("\nif it does not look right it could instead be ASK/Biphase - try 'data rawdemod ab'");
return 1;
}
ans=CmdPSK1rawDemod("");
if (ans>0) {
- PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data psk2rawdemod'");
+ PrintAndLog("Possible unknown PSK1 Modulated Tag Found above!\n\nCould also be PSK2 - try 'data rawdemod p2'");
PrintAndLog("\nCould also be PSK3 - [currently not supported]");
PrintAndLog("\nCould also be NRZ - try 'data nrzrawdemod");
return 1;
{"config", CmdLFSetConfig, 0, "Set config for LF sampling, bit/sample, decimation, frequency"},
- {"cmdread", CmdLFCommandRead, 0, "<off period> <'0' period> <'1' period> <command> ['h'] -- Modulate LF reader field to send command before read (all periods in microseconds) (option 'h' for 134)"},
+ {"cmdread", CmdLFCommandRead, 0, "<off period> <'0' period> <'1' period> <command> ['h' 134] \n\t\t-- Modulate LF reader field to send command before read (all periods in microseconds)"},
{"flexdemod", CmdFlexdemod, 1, "Demodulate samples for FlexPass"},
{"indalademod", CmdIndalaDemod, 1, "['224'] -- Demodulate samples for Indala 64 bit UID (option '224' for 224 bit)"},
{"indalaclone", CmdIndalaClone, 0, "<UID> ['l']-- Clone Indala to T55x7 (tag must be in antenna)(UID in HEX)(option 'l' for 224 UID"},
- {"read", CmdLFRead, 0, "Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
- {"search", CmdLFfind, 1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) - 'u' to search for unknown tags"},
+ {"read", CmdLFRead, 0, "['s' silent] Read 125/134 kHz LF ID-only tag. Do 'lf read h' for help"},
+ {"search", CmdLFfind, 1, "[offline] ['u'] Read and Search for valid known tag (in offline mode it you can load first then search) \n\t\t- 'u' to search for unknown tags"},
{"sim", CmdLFSim, 0, "[GAP] -- Simulate LF tag from buffer with optional GAP (in microseconds)"},
- {"simask", CmdLFaskSim, 0, "[clock] [invert <1|0>] [manchester/raw <'m'|'r'>] [msg separator 's'] [d <hexdata>] -- Simulate LF ASK tag from demodbuffer or input"},
- {"simfsk", CmdLFfskSim, 0, "[c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>] -- Simulate LF FSK tag from demodbuffer or input"},
- {"simpsk", CmdLFpskSim, 0, "[1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>] -- Simulate LF PSK tag from demodbuffer or input"},
+ {"simask", CmdLFaskSim, 0, "[clock] [invert <1|0>] [manchester/raw <'m'|'r'>] [msg separator 's'] [d <hexdata>] \n\t\t-- Simulate LF ASK tag from demodbuffer or input"},
+ {"simfsk", CmdLFfskSim, 0, "[c <clock>] [i] [H <fcHigh>] [L <fcLow>] [d <hexdata>] \n\t\t-- Simulate LF FSK tag from demodbuffer or input"},
+ {"simpsk", CmdLFpskSim, 0, "[1|2|3] [c <clock>] [i] [r <carrier>] [d <raw hex to sim>] \n\t\t-- Simulate LF PSK tag from demodbuffer or input"},
{"simbidir", CmdLFSimBidir, 0, "Simulate LF tag (with bidirectional data transmission between reader and tag)"},
- //{"simman", CmdLFSimManchester, 0, "<Clock> <Bitstream> [GAP] Simulate arbitrary Manchester LF tag"},
- {"snoop", CmdLFSnoop, 0, "['l'|'h'|<divisor>] [trigger threshold]-- Snoop LF (l:125khz, h:134khz)"},
+ {"snoop", CmdLFSnoop, 0, "['l'|'h'|<divisor>] [trigger threshold] -- Snoop LF (l:125khz, h:134khz)"},
{"vchdemod", CmdVchDemod, 1, "['clone'] -- Demodulate samples for VeriChip"},
{NULL, NULL, 0, NULL}
};
projects / proxmark3-svn / blobdiff