Mercurial > dropbear
view libtomcrypt/src/headers/tomcrypt_macros.h @ 766:d1575fdc29a6 ecc
start on ecdsa keys
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Tue, 09 Apr 2013 00:36:04 +0800 |
| parents | 0cbe8f6dbf9e |
| children | f849a5ca2efc |
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/* fix for MSVC ...evil! */ #ifdef _MSC_VER #define CONST64(n) n ## ui64 typedef unsigned __int64 ulong64; #else #define CONST64(n) n ## ULL typedef unsigned long long ulong64; #endif /* this is the "32-bit at least" data type * Re-define it to suit your platform but it must be at least 32-bits */ #if defined(__x86_64__) || (defined(__sparc__) && defined(__arch64__)) typedef unsigned ulong32; #else typedef unsigned long ulong32; #endif /* ---- HELPER MACROS ---- */ #ifdef ENDIAN_NEUTRAL #define STORE32L(x, y) \ { (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \ (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); } #define LOAD32L(x, y) \ { x = ((unsigned long)((y)[3] & 255)<<24) | \ ((unsigned long)((y)[2] & 255)<<16) | \ ((unsigned long)((y)[1] & 255)<<8) | \ ((unsigned long)((y)[0] & 255)); } #define STORE64L(x, y) \ { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255); \ (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255); \ (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \ (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); } #define LOAD64L(x, y) \ { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48)| \ (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32)| \ (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16)| \ (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); } #define STORE32H(x, y) \ { (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255); \ (y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); } #define LOAD32H(x, y) \ { x = ((unsigned long)((y)[0] & 255)<<24) | \ ((unsigned long)((y)[1] & 255)<<16) | \ ((unsigned long)((y)[2] & 255)<<8) | \ ((unsigned long)((y)[3] & 255)); } #define STORE64H(x, y) \ { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \ (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \ (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \ (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); } #define LOAD64H(x, y) \ { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48) | \ (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32) | \ (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16) | \ (((ulong64)((y)[6] & 255))<<8)|(((ulong64)((y)[7] & 255))); } #endif /* ENDIAN_NEUTRAL */ #ifdef ENDIAN_LITTLE #if !defined(LTC_NO_BSWAP) && (defined(INTEL_CC) || (defined(__GNUC__) && (defined(__DJGPP__) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__i386__) || defined(__x86_64__)))) #define STORE32H(x, y) \ asm __volatile__ ( \ "bswapl %0 \n\t" \ "movl %0,(%1)\n\t" \ "bswapl %0 \n\t" \ ::"r"(x), "r"(y)); #define LOAD32H(x, y) \ asm __volatile__ ( \ "movl (%1),%0\n\t" \ "bswapl %0\n\t" \ :"=r"(x): "r"(y)); #else #define STORE32H(x, y) \ { (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255); \ (y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); } #define LOAD32H(x, y) \ { x = ((unsigned long)((y)[0] & 255)<<24) | \ ((unsigned long)((y)[1] & 255)<<16) | \ ((unsigned long)((y)[2] & 255)<<8) | \ ((unsigned long)((y)[3] & 255)); } #endif /* x86_64 processor */ #if !defined(LTC_NO_BSWAP) && (defined(__GNUC__) && defined(__x86_64__)) #define STORE64H(x, y) \ asm __volatile__ ( \ "bswapq %0 \n\t" \ "movq %0,(%1)\n\t" \ "bswapq %0 \n\t" \ ::"r"(x), "r"(y)); #define LOAD64H(x, y) \ asm __volatile__ ( \ "movq (%1),%0\n\t" \ "bswapq %0\n\t" \ :"=r"(x): "r"(y)); #else #define STORE64H(x, y) \ { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \ (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \ (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \ (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); } #define LOAD64H(x, y) \ { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48) | \ (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32) | \ (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16) | \ (((ulong64)((y)[6] & 255))<<8)|(((ulong64)((y)[7] & 255))); } #endif #ifdef ENDIAN_32BITWORD #define STORE32L(x, y) \ { ulong32 __t = (x); XMEMCPY(y, &__t, 4); } #define LOAD32L(x, y) \ XMEMCPY(&(x), y, 4); #define STORE64L(x, y) \ { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255); \ (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255); \ (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \ (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); } #define LOAD64L(x, y) \ { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48)| \ (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32)| \ (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16)| \ (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); } #else /* 64-bit words then */ #define STORE32L(x, y) \ { ulong32 __t = (x); XMEMCPY(y, &__t, 4); } #define LOAD32L(x, y) \ { XMEMCPY(&(x), y, 4); x &= 0xFFFFFFFF; } #define STORE64L(x, y) \ { ulong64 __t = (x); XMEMCPY(y, &__t, 8); } #define LOAD64L(x, y) \ { XMEMCPY(&(x), y, 8); } #endif /* ENDIAN_64BITWORD */ #endif /* ENDIAN_LITTLE */ #ifdef ENDIAN_BIG #define STORE32L(x, y) \ { (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \ (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); } #define LOAD32L(x, y) \ { x = ((unsigned long)((y)[3] & 255)<<24) | \ ((unsigned long)((y)[2] & 255)<<16) | \ ((unsigned long)((y)[1] & 255)<<8) | \ ((unsigned long)((y)[0] & 255)); } #define STORE64L(x, y) \ { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255); \ (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255); \ (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255); \ (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); } #define LOAD64L(x, y) \ { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48) | \ (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32) | \ (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16) | \ (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); } #ifdef ENDIAN_32BITWORD #define STORE32H(x, y) \ { ulong32 __t = (x); XMEMCPY(y, &__t, 4); } #define LOAD32H(x, y) \ XMEMCPY(&(x), y, 4); #define STORE64H(x, y) \ { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \ (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \ (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \ (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); } #define LOAD64H(x, y) \ { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48)| \ (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32)| \ (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16)| \ (((ulong64)((y)[6] & 255))<<8)| (((ulong64)((y)[7] & 255))); } #else /* 64-bit words then */ #define STORE32H(x, y) \ { ulong32 __t = (x); XMEMCPY(y, &__t, 4); } #define LOAD32H(x, y) \ { XMEMCPY(&(x), y, 4); x &= 0xFFFFFFFF; } #define STORE64H(x, y) \ { ulong64 __t = (x); XMEMCPY(y, &__t, 8); } #define LOAD64H(x, y) \ { XMEMCPY(&(x), y, 8); } #endif /* ENDIAN_64BITWORD */ #endif /* ENDIAN_BIG */ #define BSWAP(x) ( ((x>>24)&0x000000FFUL) | ((x<<24)&0xFF000000UL) | \ ((x>>8)&0x0000FF00UL) | ((x<<8)&0x00FF0000UL) ) /* 32-bit Rotates */ #if defined(_MSC_VER) /* instrinsic rotate */ #include <stdlib.h> #pragma intrinsic(_lrotr,_lrotl) #define ROR(x,n) _lrotr(x,n) #define ROL(x,n) _lrotl(x,n) #define RORc(x,n) _lrotr(x,n) #define ROLc(x,n) _lrotl(x,n) #elif !defined(__STRICT_ANSI__) && defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && !defined(INTEL_CC) && !defined(LTC_NO_ASM) static inline unsigned ROL(unsigned word, int i) { asm ("roll %%cl,%0" :"=r" (word) :"0" (word),"c" (i)); return word; } static inline unsigned ROR(unsigned word, int i) { asm ("rorl %%cl,%0" :"=r" (word) :"0" (word),"c" (i)); return word; } #ifndef LTC_NO_ROLC static inline unsigned ROLc(unsigned word, const int i) { asm ("roll %2,%0" :"=r" (word) :"0" (word),"I" (i)); return word; } static inline unsigned RORc(unsigned word, const int i) { asm ("rorl %2,%0" :"=r" (word) :"0" (word),"I" (i)); return word; } #else #define ROLc ROL #define RORc ROR #endif #elif !defined(__STRICT_ANSI__) && defined(LTC_PPC32) static inline unsigned ROL(unsigned word, int i) { asm ("rotlw %0,%0,%2" :"=r" (word) :"0" (word),"r" (i)); return word; } static inline unsigned ROR(unsigned word, int i) { asm ("rotlw %0,%0,%2" :"=r" (word) :"0" (word),"r" (32-i)); return word; } #ifndef LTC_NO_ROLC static inline unsigned ROLc(unsigned word, const int i) { asm ("rotlwi %0,%0,%2" :"=r" (word) :"0" (word),"I" (i)); return word; } static inline unsigned RORc(unsigned word, const int i) { asm ("rotrwi %0,%0,%2" :"=r" (word) :"0" (word),"I" (i)); return word; } #else #define ROLc ROL #define RORc ROR #endif #else /* rotates the hard way */ #define ROL(x, y) ( (((unsigned long)(x)<<(unsigned long)((y)&31)) | (((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL) #define ROR(x, y) ( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | ((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL) #define ROLc(x, y) ( (((unsigned long)(x)<<(unsigned long)((y)&31)) | (((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL) #define RORc(x, y) ( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | ((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL) #endif /* 64-bit Rotates */ #if !defined(__STRICT_ANSI__) && defined(__GNUC__) && defined(__x86_64__) && !defined(LTC_NO_ASM) static inline unsigned long ROL64(unsigned long word, int i) { asm("rolq %%cl,%0" :"=r" (word) :"0" (word),"c" (i)); return word; } static inline unsigned long ROR64(unsigned long word, int i) { asm("rorq %%cl,%0" :"=r" (word) :"0" (word),"c" (i)); return word; } #ifndef LTC_NO_ROLC static inline unsigned long ROL64c(unsigned long word, const int i) { asm("rolq %2,%0" :"=r" (word) :"0" (word),"J" (i)); return word; } static inline unsigned long ROR64c(unsigned long word, const int i) { asm("rorq %2,%0" :"=r" (word) :"0" (word),"J" (i)); return word; } #else /* LTC_NO_ROLC */ #define ROL64c ROL64 #define ROR64c ROR64 #endif #else /* Not x86_64 */ #define ROL64(x, y) \ ( (((x)<<((ulong64)(y)&63)) | \ (((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)64-((y)&63)))) & CONST64(0xFFFFFFFFFFFFFFFF)) #define ROR64(x, y) \ ( ((((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)(y)&CONST64(63))) | \ ((x)<<((ulong64)(64-((y)&CONST64(63)))))) & CONST64(0xFFFFFFFFFFFFFFFF)) #define ROL64c(x, y) \ ( (((x)<<((ulong64)(y)&63)) | \ (((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)64-((y)&63)))) & CONST64(0xFFFFFFFFFFFFFFFF)) #define ROR64c(x, y) \ ( ((((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)(y)&CONST64(63))) | \ ((x)<<((ulong64)(64-((y)&CONST64(63)))))) & CONST64(0xFFFFFFFFFFFFFFFF)) #endif #ifndef MAX #define MAX(x, y) ( ((x)>(y))?(x):(y) ) #endif #ifndef MIN #define MIN(x, y) ( ((x)<(y))?(x):(y) ) #endif /* extract a byte portably */ #ifdef _MSC_VER #define byte(x, n) ((unsigned char)((x) >> (8 * (n)))) #else #define byte(x, n) (((x) >> (8 * (n))) & 255) #endif /* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_macros.h,v $ */ /* $Revision: 1.15 $ */ /* $Date: 2006/11/29 23:43:57 $ */