X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/bd2797de1538c58232cffd8ec04a23fea23114f9..817611f5651d4e99e13f091baf098d8385c69cb8:/common/crapto1/crapto1.h diff --git a/common/crapto1/crapto1.h b/common/crapto1/crapto1.h index 96ab96a2..8e79d224 100644 --- a/common/crapto1/crapto1.h +++ b/common/crapto1/crapto1.h @@ -53,7 +53,7 @@ int nonce_distance(uint32_t from, uint32_t to); 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;