CHG: Crapto1 v3.3 for the ARMSRC

[proxmark3-svn] / armsrc / crapto1.h

diff --git a/armsrc/crapto1.h b/armsrc/crapto1.h
index b144853ce4b93595930d841330d574b64ace0709..50654db93a9c2892b9aa756e1ec3509dda3f6f6b 100644 (file)
--- a/armsrc/crapto1.h
+++ b/armsrc/crapto1.h
@@ -15,7 +15,7 @@
     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
     MA  02110-1301, US$
 
-    Copyright (C) 2008-2008 bla <blapost@gmail.com>
+    Copyright (C) 2008-2014 bla <blapost@gmail.com>
 */
 #ifndef CRAPTO1_INCLUDED
 #define CRAPTO1_INCLUDED
@@ -43,6 +43,9 @@ uint8_t lfsr_rollback_bit(struct Crypto1State* s, uint32_t in, int fb);
 uint8_t lfsr_rollback_byte(struct Crypto1State* s, uint32_t in, int fb);
 uint32_t lfsr_rollback_word(struct Crypto1State* s, uint32_t in, int fb);
 int nonce_distance(uint32_t from, uint32_t to);
+#define SWAPENDIAN(x)\
+       (x = (x >> 8 & 0xff00ff) | (x & 0xff00ff) << 8, x = x >> 16 | x << 16)
+       
 #define FOREACH_VALID_NONCE(N, FILTER, FSIZE)\
        uint32_t __n = 0,__M = 0, N = 0;\
        int __i;\