CHG: "hf legic write" - now writes on the limits better.

[proxmark3-svn] / client / nonce2key / crapto1.h

diff --git a/client/nonce2key/crapto1.h b/client/nonce2key/crapto1.h
index 7f8345283772df27f9f37312efb6069eb992ac9f..1cbebe5d5cce4c8a50e055039bdf6c5db02a1fab 100644 (file)
--- a/client/nonce2key/crapto1.h
+++ b/client/nonce2key/crapto1.h
@@ -15,11 +15,14 @@
     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>
+#include "bucketsort.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -36,17 +39,19 @@ 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], uint8_t no_par);
+struct Crypto1State* lfsr_common_prefix(uint32_t pfx, uint32_t rr, uint8_t ks[8], uint8_t par[8][8]);
+
+// douvan's no-parity function
+struct Crypto1State* lfsr_common_prefix_ex(uint32_t pfx, uint8_t ks[8]);
 
 
-void lfsr_rollback_bit(struct Crypto1State* s, uint32_t in, int fb);
-void lfsr_rollback_byte(struct Crypto1State* s, uint32_t in, int fb);
-void lfsr_rollback_word(struct Crypto1State* s, uint32_t in, int fb);
+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;\
@@ -70,26 +75,19 @@ static inline int parity(uint32_t x)
        x ^= x >> 4;
        return BIT(0x6996, x & 0xf);
 #else
-        __asm(    "movl %1, %%eax\n"
-               "mov %%ax, %%cx\n"
-               "shrl $0x10, %%eax\n"
-               "xor %%ax, %%cx\n"
-                "xor %%ch, %%cl\n"
-                "setpo %%al\n"
-                "movzx %%al, %0\n": "=r"(x) : "r"(x): "eax","ecx");
+        __asm__(    "movl %1, %%eax\n"
+                       "mov %%ax, %%cx\n"
+                       "shrl $0x10, %%eax\n"
+                       "xor %%ax, %%cx\n"
+                       "xor %%ch, %%cl\n"
+                       "setpo %%al\n"
+                       "movzx %%al, %0\n": "=r"(x) : "r"(x): "eax","ecx");
        return x;
 #endif
 }
-
-#if !defined LOWMEM && defined __GNUC__
-extern uint8_t filterlut[1 << 20];
-#define filter(x) (filterlut[(x) & 0xfffff])
-#define filter_unsafe(x) (filterlut[x])
-#else
 static inline int filter(uint32_t const x)
 {
        uint32_t f;
-
        f  = 0xf22c0 >> (x       & 0xf) & 16;
        f |= 0x6c9c0 >> (x >>  4 & 0xf) &  8;
        f |= 0x3c8b0 >> (x >>  8 & 0xf) &  4;
@@ -97,9 +95,6 @@ static inline int filter(uint32_t const x)
        f |= 0x0d938 >> (x >> 16 & 0xf) &  1;
        return BIT(0xEC57E80A, f);
 }
-#define filter_unsafe(x) (filter(x))
-#endif
-
 #ifdef __cplusplus
 }
 #endif