ADD: AWID 50bit demod, thanks to @FrancoisM and @ntk

[proxmark3-svn] / client / cmddata.c

diff --git a/client/cmddata.c b/client/cmddata.c
index 2e363054b0e3e8a773fe6754773d91ee801c4184..6992c6d92b44f0d63a264a9f4a21f704f8a97c51 100644 (file)
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -1314,37 +1314,51 @@ int CmdFSKdemodAWID(const char *Cmd)
        // 00011010 1 01110101 0000000010001110 1 000000000000000000000000000000000
        // bbbbbbbb w ffffffff cccccccccccccccc w xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
        // |26 bit|   |-117--| |-----142------|
+    //
+       // 00110010 0 0000011111010000000000000001000100101000100001111 0 00000000 
+       // bbbbbbbb w ffffffffffffffffccccccccccccccccccccccccccccccccc w xxxxxxxx
+       // |50 bit|   |----4000------||-----------2248975-------------| 
        // b = format bit len, o = odd parity of last 3 bits
        // f = facility code, c = card number
        // w = wiegand parity
-       // (26 bit format shown)
 
        uint32_t fc = 0;
        uint32_t cardnum = 0;
        uint32_t code1 = 0;
        uint32_t code2 = 0;
-       uint8_t fmtLen = bytebits_to_byte(BitStream,8);
-       if (fmtLen==26){
-               fc = bytebits_to_byte(BitStream+9, 8);
-               cardnum = bytebits_to_byte(BitStream+17, 16);
-               code1 = bytebits_to_byte(BitStream+8,fmtLen);
-               PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
-       } else {
-               cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16);
-               if (fmtLen>32){
-                       code1 = bytebits_to_byte(BitStream+8,fmtLen-32);
-                       code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32);
-                       PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
-               } else{
-                       code1 = bytebits_to_byte(BitStream+8,fmtLen);
-                       PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
-               }
+       uint8_t fmtLen = bytebits_to_byte(BitStream, 8);
+       switch(fmtLen) {
+               case 26: 
+                       fc = bytebits_to_byte(BitStream + 9, 8);
+                       cardnum = bytebits_to_byte(BitStream + 17, 16);
+                       code1 = bytebits_to_byte(BitStream + 8,fmtLen);
+                       PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, rawHi2, rawHi, rawLo);
+                       break;
+               case 50:
+                       fc = bytebits_to_byte(BitStream + 9, 16);
+                       cardnum = bytebits_to_byte(BitStream + 25, 32);
+                       code1 = bytebits_to_byte(BitStream + 8, (fmtLen-32) );
+                       code2 = bytebits_to_byte(BitStream + 8 + (fmtLen-32), 32);
+                       PrintAndLog("AWID Found - BitLength: %d, FC: %d, Card: %d - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, fc, cardnum, code1, code2, rawHi2, rawHi, rawLo);
+                       break;
+               default:
+                       if (fmtLen > 32 ) {
+                               cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16);
+                               code1 = bytebits_to_byte(BitStream+8,fmtLen-32);
+                               code2 = bytebits_to_byte(BitStream+8+(fmtLen-32),32);
+                               PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x%08x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, code2, rawHi2, rawHi, rawLo);
+                       } else {
+                               cardnum = bytebits_to_byte(BitStream+8+(fmtLen-17), 16);
+                               code1 = bytebits_to_byte(BitStream+8,fmtLen);
+                               PrintAndLog("AWID Found - BitLength: %d -unknown BitLength- (%d) - Wiegand: %x, Raw: %08x%08x%08x", fmtLen, cardnum, code1, rawHi2, rawHi, rawLo);
+                       }
+                       break;          
        }
+
        if (g_debugMode){
                PrintAndLog("DEBUG: idx: %d, Len: %d Printing Demod Buffer:", idx, 96);
                printDemodBuff();
        }
-       //todo - convert hi2, hi, lo to demodbuffer for future sim/clone commands
        return 1;
 }