FIX: resource leak, forgot a free

[proxmark3-svn] / tools / mfkey / mfkey32v2.c

diff --git a/tools/mfkey/mfkey32v2.c b/tools/mfkey/mfkey32v2.c
index 7183a5479ce7bd0301251d82c945637072fec891..349b31e753bcfe68e90930e44f6db39289408c7d 100644 (file)
--- a/tools/mfkey/mfkey32v2.c
+++ b/tools/mfkey/mfkey32v2.c
@@ -1,13 +1,12 @@
 #define __STDC_FORMAT_MACROS
 #include <inttypes.h>
-#define llx PRIx64
-#define lli PRIi64
-
-// Test-file: test2.c
 #include "crapto1.h"
 #include <stdio.h>
 #include <stdlib.h>
+#include <time.h>
 
+#define llx PRIx64
+#define lli PRIi64
 int main (int argc, char *argv[]) {
        struct Crypto1State *s,*t;
        uint64_t key;     // recovered key
@@ -21,11 +20,11 @@ int main (int argc, char *argv[]) {
        uint32_t ks2;     // keystream used to encrypt reader response
 
        printf("MIFARE Classic key recovery - based 32 bits of keystream  VERSION2\n");
-       printf("Recover key from two 32-bit reader authentication answers only");
+       printf("Recover key from two 32-bit reader authentication answers only\n");
        printf("This version implements Moebius two different nonce solution (like the supercard)\n\n");
 
        if (argc < 8) {
-               printf(" syntax: %s <uid> <nt> <{nr_0}> <{ar_0}> <nt1> <{nr_1}> <{ar_1}>\n\n",argv[0]);
+               printf("syntax: %s <uid> <nt> <nr_0> <ar_0> <nt1> <nr_1> <ar_1>\n\n", argv[0]);
                return 1;
        }
 
@@ -50,6 +49,7 @@ int main (int argc, char *argv[]) {
        printf("\nLFSR succesors of the tag challenge:\n");
        printf("  nt': %08x\n",prng_successor(nt0, 64));
        printf(" nt'': %08x\n",prng_successor(nt0, 96));
+       clock_t t1 = clock();
 
        // Extract the keystream from the messages
        printf("\nKeystream used to generate {ar} and {at}:\n");
@@ -71,6 +71,7 @@ int main (int argc, char *argv[]) {
                        break;}
        }
        free(s);
-
+       t1 = clock() - t1;
+       if ( t1 > 0 ) printf("Time : %.0f ticks \n", (float)t1 );
        return 0;
 }