CHG: syntax sugar

[proxmark3-svn] / tools / mfkey / crapto1.h

diff --git a/tools/mfkey/crapto1.h b/tools/mfkey/crapto1.h
index 127a17d149f6028f75660fe6f631647eeb32542d..65c570216cee7aa893041006660b1c964007d156 100755 (executable)
--- a/tools/mfkey/crapto1.h
+++ b/tools/mfkey/crapto1.h
@@ -15,10 +15,10 @@
     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
+#ifndef CRAPTO1_H__
+#define CRAPTO1_H__
 #include <stdint.h>
 #ifdef __cplusplus
 extern "C" {
@@ -36,13 +36,15 @@ uint32_t prng_successor(uint32_t x, uint32_t n);
 struct Crypto1State* lfsr_recovery32(uint32_t ks2, uint32_t in);
 struct Crypto1State* lfsr_recovery64(uint32_t ks2, uint32_t ks3);
 uint32_t *lfsr_prefix_ks(uint8_t ks[8], int isodd);
-struct Crypto1State*
-lfsr_common_prefix(uint32_t pfx, uint32_t rr, uint8_t ks[8], uint8_t par[8][8]);
+struct Crypto1State* lfsr_common_prefix(uint32_t pfx, uint32_t rr, uint8_t ks[8], uint8_t par[8][8]);
 
 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;\
@@ -66,7 +68,7 @@ static inline int parity(uint32_t x)
        x ^= x >> 4;
        return BIT(0x6996, x & 0xf);
 #else
-        asm(    "movl %1, %%eax\n"
+       __asm__(        "movl %1, %%eax\n"
                "mov %%ax, %%cx\n"
                "shrl $0x10, %%eax\n"
                "xor %%ax, %%cx\n"