mirror of
https://github.com/Proxmark/proxmark3.git
synced 2024-09-21 07:16:24 +08:00
Merge branch 'master' of github.com:Proxmark/proxmark3
This commit is contained in:
Martin Holst Swende
commit
55c7e3520f
|
|
@ -618,7 +618,7 @@ int CmdFSKdemodHID(const char *Cmd)
|
|||
uint32_t cardnum = 0;
|
||||
if (((hi>>5)&1)==1){//if bit 38 is set then < 37 bit format is used
|
||||
uint32_t lo2=0;
|
||||
lo2=(((hi & 15) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit
|
||||
lo2=(((hi & 31) << 12) | (lo>>20)); //get bits 21-37 to check for format len bit
|
||||
uint8_t idx3 = 1;
|
||||
while(lo2>1){ //find last bit set to 1 (format len bit)
|
||||
lo2=lo2>>1;
|
||||
|
|
@ -631,10 +631,6 @@ int CmdFSKdemodHID(const char *Cmd)
|
|||
cardnum = (lo>>1)&0xFFFF;
|
||||
fc = (lo>>17)&0xFF;
|
||||
}
|
||||
if(fmtLen==37){
|
||||
cardnum = (lo>>1)&0x7FFFF;
|
||||
fc = ((hi&0xF)<<12)|(lo>>20);
|
||||
}
|
||||
if(fmtLen==34){
|
||||
cardnum = (lo>>1)&0xFFFF;
|
||||
fc= ((hi&1)<<15)|(lo>>17);
|
||||
|
|
@ -645,10 +641,10 @@ int CmdFSKdemodHID(const char *Cmd)
|
|||
}
|
||||
}
|
||||
else { //if bit 38 is not set then 37 bit format is used
|
||||
fmtLen= 37;
|
||||
fc =0;
|
||||
cardnum=0;
|
||||
if(fmtLen==37){
|
||||
fmtLen = 37;
|
||||
fc = 0;
|
||||
cardnum = 0;
|
||||
if(fmtLen == 37){
|
||||
cardnum = (lo>>1)&0x7FFFF;
|
||||
fc = ((hi&0xF)<<12)|(lo>>20);
|
||||
}
|
||||
|
|
@ -870,20 +866,35 @@ int PSKnrzDemod(const char *Cmd){
|
|||
// optional arguments - same as CmdpskNRZrawDemod (clock & invert)
|
||||
int CmdIndalaDecode(const char *Cmd)
|
||||
{
|
||||
uint8_t verbose = 1;
|
||||
int ans;
|
||||
if (strlen(Cmd)>0){
|
||||
if (Cmd[0]=='0'){
|
||||
verbose=0;
|
||||
ans = PSKnrzDemod("32");
|
||||
}else{
|
||||
ans = PSKnrzDemod(Cmd);
|
||||
}
|
||||
} else{ //default to RF/32
|
||||
ans = PSKnrzDemod("32");
|
||||
}
|
||||
|
||||
int ans=PSKnrzDemod(Cmd);
|
||||
if (ans < 0){
|
||||
PrintAndLog("Error1: %d",ans);
|
||||
if (verbose)
|
||||
PrintAndLog("Error1: %d",ans);
|
||||
return 0;
|
||||
}
|
||||
uint8_t invert=0;
|
||||
ans = indala26decode(DemodBuffer,(size_t *) &DemodBufferLen, &invert);
|
||||
if (ans < 1) {
|
||||
PrintAndLog("Error2: %d",ans);
|
||||
if (verbose)
|
||||
PrintAndLog("Error2: %d",ans);
|
||||
return -1;
|
||||
}
|
||||
char showbits[251];
|
||||
if(invert==1) PrintAndLog("Had to invert bits");
|
||||
if (invert)
|
||||
if (verbose)
|
||||
PrintAndLog("Had to invert bits");
|
||||
//convert UID to HEX
|
||||
uint32_t uid1, uid2, uid3, uid4, uid5, uid6, uid7;
|
||||
int idx;
|
||||
|
|
@ -947,11 +958,19 @@ int CmdPskClean(const char *Cmd)
|
|||
//prints binary found and saves in graphbuffer for further commands
|
||||
int CmdpskNRZrawDemod(const char *Cmd)
|
||||
{
|
||||
int errCnt= PSKnrzDemod(Cmd);
|
||||
uint8_t verbose = 1;
|
||||
int errCnt;
|
||||
if (strlen(Cmd)>0){
|
||||
if (Cmd[0]=='0')
|
||||
verbose=0;
|
||||
}
|
||||
|
||||
errCnt = PSKnrzDemod(Cmd);
|
||||
//output
|
||||
if (errCnt<0) return 0;
|
||||
if (errCnt>0){
|
||||
PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
|
||||
if (verbose)
|
||||
PrintAndLog("# Errors during Demoding (shown as 77 in bit stream): %d",errCnt);
|
||||
}
|
||||
PrintAndLog("PSK or NRZ demoded bitstream:");
|
||||
// Now output the bitstream to the scrollback by line of 16 bits
|
||||
|
|
|
|||
|
|
@ -566,26 +566,37 @@ int CmdLFfind(const char *Cmd)
|
|||
return 0;
|
||||
}
|
||||
|
||||
if (!offline || (cmdp != '1') ){
|
||||
if (!offline && (cmdp != '1')){
|
||||
ans=CmdLFRead("");
|
||||
ans=CmdSamples("20000");
|
||||
ans=CmdSamples("20000");
|
||||
} else if (GraphTraceLen < 1000) {
|
||||
PrintAndLog("Data in Graphbuffer was too small.");
|
||||
return 0;
|
||||
}
|
||||
|
||||
PrintAndLog("NOTE: some demods output possible binary\n if it finds something that looks like a tag");
|
||||
PrintAndLog("Checking for known tags:");
|
||||
ans=Cmdaskmandemod("");
|
||||
if (ans>0) return 1;
|
||||
ans=CmdFSKdemodHID("");
|
||||
if (ans>0) return 1;
|
||||
ans=CmdFSKdemodIO("");
|
||||
if (ans>0) return 1;
|
||||
if (ans>0) {
|
||||
PrintAndLog("Valid IO Prox ID Found!");
|
||||
return 1;
|
||||
}
|
||||
ans=CmdFSKdemodHID("");
|
||||
if (ans>0) {
|
||||
PrintAndLog("Valid HID Prox ID Found!");
|
||||
return 1;
|
||||
}
|
||||
//add psk and indala
|
||||
ans=CmdIndalaDemod("");
|
||||
if (ans>0) return 1;
|
||||
ans=CmdIndalaDemod("224");
|
||||
if (ans>0) return 1;
|
||||
ans=CmdIndalaDecode("0");
|
||||
if (ans>0) {
|
||||
PrintAndLog("Valid Indala ID Found!");
|
||||
return 1;
|
||||
}
|
||||
ans=Cmdaskmandemod("");
|
||||
if (ans>0) {
|
||||
PrintAndLog("Valid EM410x ID Found!");
|
||||
return 1;
|
||||
}
|
||||
PrintAndLog("No Known Tags Found!\n");
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -19,21 +19,9 @@ uint64_t Em410xDecode(uint8_t *BitStream, size_t size)
|
|||
//no arguments needed - built this way in case we want this to be a direct call from "data " cmds in the future
|
||||
// otherwise could be a void with no arguments
|
||||
//set defaults
|
||||
int high=0, low=128;
|
||||
uint64_t lo=0;
|
||||
|
||||
uint32_t i = 0;
|
||||
uint32_t initLoopMax = 65;
|
||||
if (initLoopMax>size) initLoopMax=size;
|
||||
|
||||
for (;i < initLoopMax; ++i) //65 samples should be plenty to find high and low values
|
||||
{
|
||||
if (BitStream[i] > high)
|
||||
high = BitStream[i];
|
||||
else if (BitStream[i] < low)
|
||||
low = BitStream[i];
|
||||
}
|
||||
if (((high !=1)||(low !=0))){ //allow only 1s and 0s
|
||||
if (BitStream[10]>1){ //allow only 1s and 0s
|
||||
// PrintAndLog("no data found");
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -51,9 +39,9 @@ uint64_t Em410xDecode(uint8_t *BitStream, size_t size)
|
|||
idx+=9;
|
||||
for (i=0; i<10;i++){
|
||||
for(ii=0; ii<5; ++ii){
|
||||
parityTest += BitStream[(i*5)+ii+idx];
|
||||
parityTest ^= BitStream[(i*5)+ii+idx];
|
||||
}
|
||||
if (parityTest== ((parityTest>>1)<<1)){
|
||||
if (!parityTest){
|
||||
parityTest=0;
|
||||
for (ii=0; ii<4;++ii){
|
||||
lo=(lo<<1LL)|(BitStream[(i*5)+ii+idx]);
|
||||
|
|
@ -63,7 +51,7 @@ uint64_t Em410xDecode(uint8_t *BitStream, size_t size)
|
|||
//PrintAndLog("DEBUG: EM parity failed parity val: %d, i:%d, ii:%d,idx:%d, Buffer: %d%d%d%d%d",parityTest,i,ii,idx,BitStream[idx+ii+(i*5)-5],BitStream[idx+ii+(i*5)-4],BitStream[idx+ii+(i*5)-3],BitStream[idx+ii+(i*5)-2],BitStream[idx+ii+(i*5)-1]);
|
||||
parityTest=0;
|
||||
idx-=8;
|
||||
if (resetCnt>5)return 0;
|
||||
if (resetCnt>5)return 0; //try 5 times
|
||||
resetCnt++;
|
||||
goto restart;//continue;
|
||||
}
|
||||
|
|
@ -84,7 +72,7 @@ uint64_t Em410xDecode(uint8_t *BitStream, size_t size)
|
|||
int askmandemod(uint8_t *BinStream, size_t *size, int *clk, int *invert)
|
||||
{
|
||||
int i;
|
||||
int high = 0, low = 128;
|
||||
int high = 0, low = 255;
|
||||
*clk=DetectASKClock(BinStream, *size, *clk); //clock default
|
||||
|
||||
if (*clk<8) *clk =64;
|
||||
|
|
@ -100,7 +88,7 @@ int askmandemod(uint8_t *BinStream, size_t *size, int *clk, int *invert)
|
|||
else if (BinStream[i] < low)
|
||||
low = BinStream[i];
|
||||
}
|
||||
if ((high < 158) ){ //throw away static
|
||||
if ((high < 129) ){ //throw away static (anything < 1 graph)
|
||||
//PrintAndLog("no data found");
|
||||
return -2;
|
||||
}
|
||||
|
|
@ -283,7 +271,7 @@ int askrawdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert)
|
|||
{
|
||||
uint32_t i;
|
||||
// int invert=0; //invert default
|
||||
int high = 0, low = 128;
|
||||
int high = 0, low = 255;
|
||||
*clk=DetectASKClock(BinStream, *size, *clk); //clock default
|
||||
uint8_t BitStream[502] = {0};
|
||||
|
||||
|
|
@ -300,7 +288,8 @@ int askrawdemod(uint8_t *BinStream, size_t *size, int *clk, int *invert)
|
|||
else if (BinStream[i] < low)
|
||||
low = BinStream[i];
|
||||
}
|
||||
if ((high < 158)){ //throw away static
|
||||
if ((high < 129)){ //throw away static high has to be more than 0 on graph.
|
||||
//noise <= -10 here
|
||||
// PrintAndLog("no data found");
|
||||
return -2;
|
||||
}
|
||||
|
|
@ -407,21 +396,11 @@ size_t fsk_wave_demod(uint8_t * dest, size_t size, uint8_t fchigh, uint8_t fclow
|
|||
{
|
||||
uint32_t last_transition = 0;
|
||||
uint32_t idx = 1;
|
||||
uint32_t maxVal=0;
|
||||
//uint32_t maxVal=0;
|
||||
if (fchigh==0) fchigh=10;
|
||||
if (fclow==0) fclow=8;
|
||||
// we do care about the actual theshold value as sometimes near the center of the
|
||||
// wave we may get static that changes direction of wave for one value
|
||||
// if our value is too low it might affect the read. and if our tag or
|
||||
// antenna is weak a setting too high might not see anything. [marshmellow]
|
||||
if (size<100) return 0;
|
||||
for(idx=1; idx<100; idx++){
|
||||
if(maxVal<dest[idx]) maxVal = dest[idx];
|
||||
}
|
||||
// set close to the top of the wave threshold with 25% margin for error
|
||||
// less likely to get a false transition up there.
|
||||
// (but have to be careful not to go too high and miss some short waves)
|
||||
uint8_t threshold_value = (uint8_t)(((maxVal-128)*.75)+128);
|
||||
//set the threshold close to 0 (graph) or 128 std to avoid static
|
||||
uint8_t threshold_value = 123;
|
||||
|
||||
// sync to first lo-hi transition, and threshold
|
||||
|
||||
|
|
@ -481,7 +460,7 @@ size_t aggregate_bits(uint8_t *dest, size_t size, uint8_t rfLen, uint8_t maxCons
|
|||
if ( dest[idx-1]==1 ) {
|
||||
n=myround2((float)(n+1)/((float)(rfLen)/(float)fclow));
|
||||
} else {// 0->1 crossing
|
||||
n=myround2((float)(n+1)/((float)(rfLen-2)/(float)fchigh)); //-2 for fudge factor
|
||||
n=myround2((float)(n+1)/((float)(rfLen-1)/(float)fchigh)); //-1 for fudge factor
|
||||
}
|
||||
if (n == 0) n = 1;
|
||||
|
||||
|
|
@ -573,7 +552,7 @@ uint32_t bytebits_to_byte(uint8_t* src, size_t numbits)
|
|||
|
||||
int IOdemodFSK(uint8_t *dest, size_t size)
|
||||
{
|
||||
static const uint8_t THRESHOLD = 140;
|
||||
static const uint8_t THRESHOLD = 129;
|
||||
uint32_t idx=0;
|
||||
//make sure buffer has data
|
||||
if (size < 66) return -1;
|
||||
|
|
@ -617,7 +596,7 @@ int DetectASKClock(uint8_t dest[], size_t size, int clock)
|
|||
{
|
||||
int i=0;
|
||||
int peak=0;
|
||||
int low=128;
|
||||
int low=255;
|
||||
int clk[]={16,32,40,50,64,100,128,256};
|
||||
int loopCnt = 256; //don't need to loop through entire array...
|
||||
if (size<loopCnt) loopCnt = size;
|
||||
|
|
@ -689,7 +668,7 @@ int DetectpskNRZClock(uint8_t dest[], size_t size, int clock)
|
|||
{
|
||||
int i=0;
|
||||
int peak=0;
|
||||
int low=128;
|
||||
int low=255;
|
||||
int clk[]={16,32,40,50,64,100,128,256};
|
||||
int loopCnt = 2048; //don't need to loop through entire array...
|
||||
if (size<loopCnt) loopCnt = size;
|
||||
|
|
@ -707,8 +686,8 @@ int DetectpskNRZClock(uint8_t dest[], size_t size, int clock)
|
|||
low = dest[i];
|
||||
}
|
||||
}
|
||||
peak=(int)(((peak-128)*.90)+128);
|
||||
low= (int)(((low-128)*.90)+128);
|
||||
peak=(int)(((peak-128)*.75)+128);
|
||||
low= (int)(((low-128)*.75)+128);
|
||||
//PrintAndLog("DEBUG: peak: %d, low: %d",peak,low);
|
||||
int ii;
|
||||
uint8_t clkCnt;
|
||||
|
|
@ -720,7 +699,7 @@ int DetectpskNRZClock(uint8_t dest[], size_t size, int clock)
|
|||
//test each valid clock from smallest to greatest to see which lines up
|
||||
for(clkCnt=0; clkCnt < 6; ++clkCnt){
|
||||
if (clk[clkCnt] == 32){
|
||||
tol=0;
|
||||
tol=1;
|
||||
}else{
|
||||
tol=0;
|
||||
}
|
||||
|
|
@ -773,7 +752,7 @@ int DetectpskNRZClock(uint8_t dest[], size_t size, int clock)
|
|||
void pskCleanWave(uint8_t *bitStream, size_t size)
|
||||
{
|
||||
int i;
|
||||
int low=128;
|
||||
int low=255;
|
||||
int high=0;
|
||||
int gap = 4;
|
||||
// int loopMax = 2048;
|
||||
|
|
@ -815,8 +794,7 @@ int indala26decode(uint8_t *bitStream, size_t *size, uint8_t *invert)
|
|||
{
|
||||
//26 bit 40134 format (don't know other formats)
|
||||
int i;
|
||||
int long_wait;
|
||||
long_wait = 29;//29 leading zeros in format
|
||||
int long_wait=29;//29 leading zeros in format
|
||||
int start;
|
||||
int first = 0;
|
||||
int first2 = 0;
|
||||
|
|
@ -838,7 +816,6 @@ int indala26decode(uint8_t *bitStream, size_t *size, uint8_t *invert)
|
|||
// did not find start sequence
|
||||
return -1;
|
||||
}
|
||||
//found start once now test length by finding next one
|
||||
// Inverting signal if needed
|
||||
if (first == 1) {
|
||||
for (i = start; i < *size; i++) {
|
||||
|
|
@ -848,6 +825,7 @@ int indala26decode(uint8_t *bitStream, size_t *size, uint8_t *invert)
|
|||
}else *invert=0;
|
||||
|
||||
int iii;
|
||||
//found start once now test length by finding next one
|
||||
for (ii=start+29; ii <= *size - 250; ii++) {
|
||||
first2 = bitStream[ii];
|
||||
for (iii = ii; iii < ii + long_wait; iii++) {
|
||||
|
|
@ -883,7 +861,7 @@ int pskNRZrawDemod(uint8_t *dest, size_t *size, int *clk, int *invert)
|
|||
int clk2 = DetectpskNRZClock(dest, *size, *clk);
|
||||
*clk=clk2;
|
||||
uint32_t i;
|
||||
uint8_t high=0, low=128;
|
||||
uint8_t high=0, low=255;
|
||||
uint32_t gLen = *size;
|
||||
if (gLen > 1280) gLen=1280;
|
||||
// get high
|
||||
|
|
@ -899,7 +877,7 @@ int pskNRZrawDemod(uint8_t *dest, size_t *size, int *clk, int *invert)
|
|||
int lastBit = 0; //set first clock check
|
||||
uint32_t bitnum = 0; //output counter
|
||||
uint8_t tol = 0; //clock tolerance adjust - waves will be accepted as within the clock if they fall + or - this value + clock from last valid wave
|
||||
if (*clk==32)tol=2; //clock tolerance may not be needed anymore currently set to + or - 1 but could be increased for poor waves or removed entirely
|
||||
if (*clk==32) tol = 2; //clock tolerance may not be needed anymore currently set to + or - 1 but could be increased for poor waves or removed entirely
|
||||
uint32_t iii = 0;
|
||||
uint8_t errCnt =0;
|
||||
uint32_t bestStart = *size;
|
||||
|
|
|
|||
Loading…
Reference in a new issue