X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/7847961b25c507b5a291c8ddb9aa1c1b222a4b11..349eabe567c5c66bc95279abfd17f203f2ad697a:/tools/mfkey/mfkey.c

diff --git a/tools/mfkey/mfkey.c b/tools/mfkey/mfkey.c
index 442403f4..71e35589 100755
--- a/tools/mfkey/mfkey.c
+++ b/tools/mfkey/mfkey.c
@@ -11,8 +11,8 @@ int main (int argc, char *argv[]) {
   uint32_t nr_enc;  // encrypted reader challenge
   uint32_t ar_enc;  // encrypted reader response
   uint32_t at_enc;  // encrypted tag response
-	uint32_t ks2;     // keystream used to encrypt reader response
-	uint32_t ks3;     // keystream used to encrypt tag response
+  uint32_t ks2;     // keystream used to encrypt reader response
+  uint32_t ks3;     // keystream used to encrypt tag response
 
   printf("MIFARE Classic key recovery\n\n");
 
@@ -48,7 +48,7 @@ int main (int argc, char *argv[]) {
 
   // Extract the keystream from the messages
   printf("\nKeystream used to generate {ar} and {at}:\n");
-	ks2 = ar_enc ^ prng_successor(nt, 64);
+  ks2 = ar_enc ^ prng_successor(nt, 64);
   ks3 = at_enc ^ prng_successor(nt, 96);
   printf("  ks2: %08x\n",ks2);
   printf("  ks3: %08x\n",ks3);
@@ -60,6 +60,7 @@ int main (int argc, char *argv[]) {
   lfsr_rollback_word(revstate, uid ^ nt, 0);
   crypto1_get_lfsr(revstate, &lfsr);
   printf("\nFound Key: [%02x %02x %02x %02x %02x %02x]\n\n",plfsr[5],plfsr[4],plfsr[3],plfsr[2],plfsr[1],plfsr[0]);
+  crypto1_destroy(revstate);
 
   return 0;
 }