TEST: Moebius two noce mfkey32...

armsrc/iso14443b.c

@@ -16,7 +16,7 @@
 
 #include "iso14443crc.h"
 
-#define RECEIVE_SAMPLES_TIMEOUT 0x0003FFFF
+#define RECEIVE_SAMPLES_TIMEOUT 0x0004FFFF
 #define ISO14443B_DMA_BUFFER_SIZE 256
 
 uint8_t PowerOn = TRUE;
@@ -799,7 +799,7 @@ static void GetSamplesFor14443bDemod(int n, bool quiet)
 
 			samples += 2;
 
-			if(Handle14443bSamplesDemod(ci, cq)) {
+			if(Handle14443bSamplesDemod(ci | 0x01 , cq | 0x01)) {
 				gotFrame = TRUE;
 				break;
 		}
@@ -1307,6 +1307,7 @@ void RAMFUNC SnoopIso14443b(void)
 		}
 
 		if(!ReaderIsActive) {						// no need to try decoding tag data if the reader is sending - and we cannot afford the time
+			// is this | 0x01 the error?   & 0xfe  in https://github.com/Proxmark/proxmark3/issues/103
 			if(Handle14443bSamplesDemod(ci | 0x01, cq | 0x01)) {
 
 			//Use samples as a time measurement

armsrc/iso14443b.h

@@ -0,0 +1,21 @@
+//-----------------------------------------------------------------------------
+// Merlok - June 2011
+// Gerhard de Koning Gans - May 2008
+// Hagen Fritsch - June 2010
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Routines to support ISO 14443 type A.
+//-----------------------------------------------------------------------------
+
+#ifndef __ISO14443B_H
+#define __ISO14443B_H
+#include "common.h"
+
+int iso14443b_apdu(uint8_t const *message, size_t message_length, uint8_t *response);
+void iso14443b_setup();
+int iso14443b_select_card();
+
+#endif /* __ISO14443B_H */

client/cmdhf14b.c

@@ -225,7 +225,7 @@ int CmdHF14BCmdRaw (const char *Cmd) {
 		// REQB
 		if (HF14BCmdRaw(true, &crc2, true, cmd2, &cmdLen, false)==0) return rawClose();
 									  
-		PrintAndLog("REQB   : %s", sprint_hex(cmd2, 9));
+		PrintAndLog("REQB   : %s", sprint_hex(cmd2, cmdLen));
 		
 		if ( SRx && (cmdLen != 3 || !crc2) ) return rawClose();
 		else if (cmd2[0] != 0x50 || cmdLen != 14 || !crc2) return rawClose();
@@ -251,7 +251,7 @@ int CmdHF14BCmdRaw (const char *Cmd) {
 		
 		// attrib
 		if (HF14BCmdRaw(true, &crc2, true, cmd2, &cmdLen, false)==0) return rawClose();
-		PrintAndLog("ATTRIB : %s", sprint_hex(cmd2, 3));
+		PrintAndLog("ATTRIB : %s", sprint_hex(cmd2, cmdLen));
 		
 		if (cmdLen != 3 || !crc2) return rawClose();		
 		if (SRx && cmd2[0] != chipID) return rawClose();

client/nonce2key/nonce2key.c

@@ -199,6 +199,51 @@ int tryMfk32(uint64_t myuid, uint8_t *data, uint8_t *outputkey ){
 	return isSuccess;
 }
 
+int tryMfk32_moebius(uint64_t myuid, uint8_t *data, uint8_t *outputkey ){
+
+	struct Crypto1State *s,*t;
+	uint64_t key;     // recovered key
+	uint32_t uid;     // serial number
+	uint32_t nt0;      // tag challenge first
+	uint32_t nt1;      // tag challenge second
+	uint32_t nr0_enc; // first encrypted reader challenge
+	uint32_t ar0_enc; // first encrypted reader response
+	uint32_t nr1_enc; // second encrypted reader challenge
+	uint32_t ar1_enc; // second encrypted reader response	
+	bool isSuccess = FALSE;
+	int counter = 0;
+	
+	uid 	= myuid;//(uint32_t)bytes_to_num(data +  0, 4);
+	nt0 	= *(uint32_t*)(data+8);
+	nr0_enc = *(uint32_t*)(data+12);
+	ar0_enc = *(uint32_t*)(data+16);
+	nt1 	= *(uint32_t*)(data+8);
+	nr1_enc = *(uint32_t*)(data+32);
+	ar1_enc = *(uint32_t*)(data+36);
+
+	s = lfsr_recovery32(ar0_enc ^ prng_successor(nt0, 64), 0);
+  
+	for(t = s; t->odd | t->even; ++t) {
+		lfsr_rollback_word(t, 0, 0);
+		lfsr_rollback_word(t, nr0_enc, 1);
+		lfsr_rollback_word(t, uid ^ nt0, 0);
+		crypto1_get_lfsr(t, &key);
+		
+		crypto1_word(t, uid ^ nt1, 0);
+		crypto1_word(t, nr1_enc, 1);
+		if (ar1_enc == (crypto1_word(t, 0, 0) ^ prng_successor(nt1, 64))) {
+			PrintAndLog("Found Key: [%012"llx"]",key);
+			isSuccess = TRUE;
+			++counter;
+			if (counter==20)
+				break;
+		}
+	}
+	free(s);
+	return isSuccess;
+}
+
+
 int tryMfk64(uint64_t myuid, uint8_t *data, uint8_t *outputkey ){
 
 	struct Crypto1State *revstate;

client/nonce2key/nonce2key.h

@@ -20,5 +20,6 @@
 
 int nonce2key(uint32_t uid, uint32_t nt, uint32_t nr, uint64_t par_info, uint64_t ks_info, uint64_t * key); 
 int tryMfk32(uint64_t myuid, uint8_t *data, uint8_t *outputkey );
+int tryMfk32_moebius(uint64_t myuid, uint8_t *data, uint8_t *outputkey );
 int tryMfk64(uint64_t myuid, uint8_t *data, uint8_t *outputkey );
 #endif

tools/mfkey/Makefile

@@ -5,7 +5,7 @@ LDFLAGS =
 
 OBJS = crapto1.o crypto1.o
 HEADERS = 
-EXES = mfkey64 mfkey32
+EXES = mfkey64 mfkey32 mfkey32v2
 LIBS =
 	
 all: $(OBJS) $(EXES) $(LIBS)