X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/bd2797de1538c58232cffd8ec04a23fea23114f9..4cb4b588c276f8d3c3b4a18dc292d3bfd0e497b9:/client/nonce2key.c

diff --git a/client/nonce2key.c b/client/nonce2key.c
deleted file mode 100644
index acd551e4..00000000
--- a/client/nonce2key.c
+++ /dev/null
@@ -1,137 +0,0 @@
-//-----------------------------------------------------------------------------
-// Merlok - June 2011
-// Roel - Dec 2009
-// Unknown author
-//
-// 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.
-//-----------------------------------------------------------------------------
-// MIFARE Darkside hack
-//-----------------------------------------------------------------------------
-
-#include "nonce2key.h"
-
-#include <inttypes.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include "mifarehost.h"
-#include "util.h"
-#include "crapto1/crapto1.h"
-
-// recover key from 2 different reader responses on same tag challenge
-bool mfkey32(nonces_t data, uint64_t *outputkey) {
-	struct Crypto1State *s,*t;
-	uint64_t outkey = 0;
-	uint64_t key = 0;     // recovered key
-	bool isSuccess = false;
-	uint8_t counter = 0;
-
-	uint64_t t1 = msclock();
-
-	s = lfsr_recovery32(data.ar ^ prng_successor(data.nonce, 64), 0);
-
-	for(t = s; t->odd | t->even; ++t) {
-		lfsr_rollback_word(t, 0, 0);
-		lfsr_rollback_word(t, data.nr, 1);
-		lfsr_rollback_word(t, data.cuid ^ data.nonce, 0);
-		crypto1_get_lfsr(t, &key);
-		crypto1_word(t, data.cuid ^ data.nonce, 0);
-		crypto1_word(t, data.nr2, 1);
-		if (data.ar2 == (crypto1_word(t, 0, 0) ^ prng_successor(data.nonce, 64))) {
-			//PrintAndLog("Found Key: [%012" PRIx64 "]",key);
-			outkey = key;
-			counter++;
-			if (counter == 20) break;
-		}
-	}
-	isSuccess = (counter == 1);
-	t1 = msclock() - t1;
-	//if ( t1 > 0 ) PrintAndLog("Time in mfkey32: %.1f seconds \nFound %d possible keys", (float)t1/1000.0, counter);
-	*outputkey = ( isSuccess ) ? outkey : 0;
-	crypto1_destroy(s);
-	/* //un-comment to save all keys to a stats.txt file 
-	FILE *fout;
-	if ((fout = fopen("stats.txt","ab")) == NULL) { 
-		PrintAndLog("Could not create file name stats.txt");
-		return 1;
-	}
-	fprintf(fout, "mfkey32,%d,%08x,%d,%s,%04x%08x,%.0Lf\r\n", counter, data.cuid, data.sector, (data.keytype) ? "B" : "A", (uint32_t)(outkey>>32) & 0xFFFF,(uint32_t)(outkey&0xFFFFFFFF),(long double)t1);
-	fclose(fout);
-	*/
-	return isSuccess;
-}
-
-// recover key from 2 reader responses on 2 different tag challenges
-bool mfkey32_moebius(nonces_t data, uint64_t *outputkey) {
-	struct Crypto1State *s, *t;
-	uint64_t outkey  = 0;
-	uint64_t key 	   = 0;			// recovered key
-	bool isSuccess = false;
-	int counter = 0;
-	
-	//PrintAndLog("Enter mfkey32_moebius");
-	uint64_t t1 = msclock();
-
-	s = lfsr_recovery32(data.ar ^ prng_successor(data.nonce, 64), 0);
-  
-	for(t = s; t->odd | t->even; ++t) {
-		lfsr_rollback_word(t, 0, 0);
-		lfsr_rollback_word(t, data.nr, 1);
-		lfsr_rollback_word(t, data.cuid ^ data.nonce, 0);
-		crypto1_get_lfsr(t, &key);
-		
-		crypto1_word(t, data.cuid ^ data.nonce2, 0);
-		crypto1_word(t, data.nr2, 1);
-		if (data.ar2 == (crypto1_word(t, 0, 0) ^ prng_successor(data.nonce2, 64))) {
-			//PrintAndLog("Found Key: [%012" PRIx64 "]",key);
-			outkey=key;
-			++counter;
-			if (counter==20)
-				break;
-		}
-	}
-	isSuccess	= (counter == 1);
-	t1 = msclock() - t1;
-	// PrintAndLog("Time in mfkey32_moebius: %.1f seconds \nFound %d possible keys", (float)t1/1000.0, counter);
-	*outputkey = ( isSuccess ) ? outkey : 0;
-	crypto1_destroy(s);
-	/* // un-comment to output all keys to stats.txt
-	FILE *fout;
-	if ((fout = fopen("stats.txt","ab")) == NULL) { 
-		PrintAndLog("Could not create file name stats.txt");
-		return 1;
-	}
-	fprintf(fout, "moebius,%d,%08x,%d,%s,%04x%08x,%0.Lf\r\n", counter, data.cuid, data.sector, (data.keytype) ? "B" : "A", (uint32_t) (outkey>>32),(uint32_t)(outkey&0xFFFFFFFF),(long double)t1);
-	fclose(fout);
-	*/
-	return isSuccess;
-}
-
-// recover key from reader response and tag response of one authentication sequence
-int mfkey64(nonces_t data, uint64_t *outputkey){
-	uint64_t key 	= 0;				// recovered key
-	uint32_t ks2;     					// keystream used to encrypt reader response
-	uint32_t ks3;     					// keystream used to encrypt tag response
-	struct Crypto1State *revstate;
-	
-	// PrintAndLog("Enter mfkey64");
-	uint64_t t1 = msclock();
-	
-	// Extract the keystream from the messages
-	ks2 = data.ar ^ prng_successor(data.nonce, 64);
-	ks3 = data.at ^ prng_successor(data.nonce, 96);
-	revstate = lfsr_recovery64(ks2, ks3);
-	lfsr_rollback_word(revstate, 0, 0);
-	lfsr_rollback_word(revstate, 0, 0);
-	lfsr_rollback_word(revstate, data.nr, 1);
-	lfsr_rollback_word(revstate, data.cuid ^ data.nonce, 0);
-	crypto1_get_lfsr(revstate, &key);
-	// PrintAndLog("Found Key: [%012" PRIx64 "]", key);
-	crypto1_destroy(revstate);
-	*outputkey = key;
-	
-	t1 = msclock() - t1;
-	// PrintAndLog("Time in mfkey64: %.1f seconds \n", (float)t1/1000.0);
-	return 0;
-}