Ndef and MAD (#801)

[proxmark3-svn] / client / mfkey.c

diff --git a/client/mfkey.c b/client/mfkey.c
deleted file mode 100644 (file)
index 0c72a37..0000000
--- a/client/mfkey.c
+++ /dev/null
@@ -1,122 +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 "mfkey.h"
-
-#include "mifare.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;
-
-       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);
-       *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;
-       
-       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);
-       *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;
-       
-       // 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;
-       
-       return 0;
-}
-
-