X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/33443e7caa26da1563402d548e0a871d53ccc23a..refs/pull/304/head:/common/crapto1/crapto1.h

diff --git a/common/crapto1/crapto1.h b/common/crapto1/crapto1.h
index 741d2008..8e79d224 100644
--- a/common/crapto1/crapto1.h
+++ b/common/crapto1/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
@@ -25,7 +25,7 @@ extern "C" {
 #endif
 
 struct Crypto1State {uint32_t odd, even;};
-#if defined(__arm__)
+#if defined(__arm__) && !defined(__linux__) && !defined(_WIN32) && !defined(__APPLE__)		// bare metal ARM Proxmark lacks malloc()/free()
 void crypto1_create(struct Crypto1State *s, uint64_t key);
 #else
 struct Crypto1State *crypto1_create(uint64_t key);
@@ -41,19 +41,19 @@ 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]);
+lfsr_common_prefix(uint32_t pfx, uint32_t rr, uint8_t ks[8], uint8_t par[8][8], uint32_t no_par);
 
 
-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 FOREACH_VALID_NONCE(N, FILTER, FSIZE)\
 	uint32_t __n = 0,__M = 0, N = 0;\
 	int __i;\
 	for(; __n < 1 << 16; N = prng_successor(__M = ++__n, 16))\
 		for(__i = FSIZE - 1; __i >= 0; __i--)\
-			if(BIT(FILTER, __i) ^ parity(__M & 0xFF01))\
+			if(BIT(FILTER, __i) ^ evenparity32(__M & 0xFF01))\
 				break;\
 			else if(__i)\
 				__M = prng_successor(__M, (__i == 7) ? 48 : 8);\
@@ -63,24 +63,6 @@ int nonce_distance(uint32_t from, uint32_t to);
 #define LF_POLY_EVEN (0x870804)
 #define BIT(x, n) ((x) >> (n) & 1)
 #define BEBIT(x, n) BIT(x, (n) ^ 24)
-static inline int parity(uint32_t x)
-{
-#if !defined __i386__ || !defined __GNUC__
-	x ^= x >> 16;
-	x ^= x >> 8;
-	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");
-	return x;
-#endif
-}
 static inline int filter(uint32_t const x)
 {
 	uint32_t f;