CHG: revert legiccrc8 to old algo.

[proxmark3-svn] / client / cmdlfnedap.c

diff --git a/client/cmdlfnedap.c b/client/cmdlfnedap.c
index 2aaae5dbb2115fbfea7f0eb50c8bcbe61c18896b..0c56c8e2a6bea7add08b1f1203552c9855a850af 100644 (file)
--- a/client/cmdlfnedap.c
+++ b/client/cmdlfnedap.c
@@ -14,12 +14,13 @@ static int CmdHelp(const char *Cmd);
 int usage_lf_nedap_clone(void){
        PrintAndLog("clone a NEDAP tag to a T55x7 tag.");
        PrintAndLog("");
-       PrintAndLog("Usage: lf nedap clone <Card-Number>");
-       PrintAndLog("Options :");
-       PrintAndLog("  <Card Number>   : 24-bit value card number");
-//     PrintAndLog("  Q5              : optional - clone to Q5 (T5555) instead of T55x7 chip");
+       PrintAndLog("Usage: lf nedap clone [h] <Card-Number>");
+       PrintAndLog("Options:");
+       PrintAndLog("      h             : This help");
+       PrintAndLog("      <Card Number> : 24-bit value card number");
+//     PrintAndLog("      Q5            : optional - clone to Q5 (T5555) instead of T55x7 chip");
        PrintAndLog("");
-       PrintAndLog("Sample  : lf nedap clone 112233");
+       PrintAndLog("Sample: lf nedap clone 112233");
        return 0;
 }
 
@@ -27,11 +28,12 @@ int usage_lf_nedap_sim(void) {
        PrintAndLog("Enables simulation of NEDAP card with specified card number.");
        PrintAndLog("Simulation runs until the button is pressed or another USB command is issued.");
        PrintAndLog("");
-       PrintAndLog("Usage:  lf nedap sim <Card-Number>");
-       PrintAndLog("Options :");
-       PrintAndLog("  <Card Number>   : 24-bit value card number");
+       PrintAndLog("Usage:  lf nedap sim [h] <Card-Number>");
+       PrintAndLog("Options:");
+       PrintAndLog("      h               : This help");
+       PrintAndLog("      <Card Number>   : 24-bit value card number");
        PrintAndLog("");
-       PrintAndLog("Sample  : lf nedap sim 112233");
+       PrintAndLog("Sample: lf nedap sim 112233");
        return 0;
 }
 
@@ -82,16 +84,11 @@ int GetNedapBits(uint32_t cn, uint8_t *nedapBits) {
 
 int CmdLFNedapDemod(const char *Cmd) {
        //raw ask demod no start bit finding just get binary from wave
-       uint8_t BitStream[MAX_GRAPH_TRACE_LEN]={0};
-       size_t size = getFromGraphBuf(BitStream);
-       if (size==0) return 0;
-
-       //get binary from ask wave
        if (!ASKbiphaseDemod("0 64 0 0", FALSE)) {
                if (g_debugMode) PrintAndLog("Error NEDAP: ASKbiphaseDemod failed");
                return 0;
        }
-       size = DemodBufferLen;
+       size_t size = DemodBufferLen;
        int idx = NedapDemod(DemodBuffer, &size);
        if (idx < 0){
                if (g_debugMode){
@@ -143,13 +140,13 @@ int CmdLFNedapDemod(const char *Cmd) {
        uint8_t firstParity = GetParity( DemodBuffer, EVEN, 63);
        if ( firstParity != DemodBuffer[63]  ) {
                PrintAndLog("1st 64bit parity check failed:  %d|%d ", DemodBuffer[63], firstParity);
-               //return 0;
+               return 0;
        }
 
        uint8_t secondParity = GetParity( DemodBuffer+64, EVEN, 63);
        if ( secondParity != DemodBuffer[127]  ) {
                PrintAndLog("2st 64bit parity check failed:  %d|%d ", DemodBuffer[127], secondParity);
-               //return 0;
+               return 0;
        }
 
        // ok valid card found!
@@ -282,7 +279,7 @@ int CmdLFNedapSim(const char *Cmd) {
        arg1 = clk << 8 | encoding;
        arg2 = invert << 8 | separator;
 
-       if (sscanf(Cmd, "%u", &cn ) != 2) return usage_lf_nedap_sim();
+       if (sscanf(Cmd, "%u", &cn ) != 1) return usage_lf_nedap_sim();
        cardnumber = (cn & 0x00FFFFFF);
        
        if ( !GetNedapBits(cardnumber, bs)) {
@@ -299,8 +296,6 @@ int CmdLFNedapSim(const char *Cmd) {
        return 0;
 }
 
-
-
 int CmdLFNedapChk(const char *Cmd){
     
        uint8_t data[256] = { 0x30, 0x16, 0x00, 0x71, 0x40, 0x21, 0xBE};