Mercurial > dropbear
diff src/headers/tomcrypt_macros.h @ 191:1c15b283127b libtomcrypt-orig
Import of libtomcrypt 1.02 with manual path rename rearrangement etc
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Fri, 06 May 2005 13:23:02 +0000 |
| parents | |
| children | 39d5d58461d6 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/headers/tomcrypt_macros.h Fri May 06 13:23:02 2005 +0000 @@ -0,0 +1,373 @@ +/* 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__) + 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,(%2)\n\t" \ + "bswapl %0 \n\t" \ + :"=r"(x):"0"(x), "r"(y)); + +#define LOAD32H(x, y) \ +asm __volatile__ ( \ + "movl (%2),%0\n\t" \ + "bswapl %0\n\t" \ + :"=r"(x): "0"(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,(%2)\n\t" \ + "bswapq %0 \n\t" \ + :"=r"(x):"0"(x), "r"(y):"0"); + +#define LOAD64H(x, y) \ +asm __volatile__ ( \ + "movq (%2),%0\n\t" \ + "bswapq %0\n\t" \ + :"=r"(x): "0"(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) \ + { unsigned long __t = (x); memcpy(y, &__t, 4); } + +#define LOAD32L(x, y) \ + memcpy(&(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) \ + { unsigned long __t = (x); memcpy(y, &__t, 4); } + +#define LOAD32L(x, y) \ + { memcpy(&(x), y, 4); x &= 0xFFFFFFFF; } + +#define STORE64L(x, y) \ + { ulong64 __t = (x); memcpy(y, &__t, 8); } + +#define LOAD64L(x, y) \ + { memcpy(&(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) \ + { unsigned long __t = (x); memcpy(y, &__t, 4); } + +#define LOAD32H(x, y) \ + memcpy(&(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) \ + { unsigned long __t = (x); memcpy(y, &__t, 4); } + +#define LOAD32H(x, y) \ + { memcpy(&(x), y, 4); x &= 0xFFFFFFFF; } + +#define STORE64H(x, y) \ + { ulong64 __t = (x); memcpy(y, &__t, 8); } + +#define LOAD64H(x, y) \ + { memcpy(&(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(__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 + +#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(__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 + +#undef MAX +#undef MIN +#define MAX(x, y) ( ((x)>(y))?(x):(y) ) +#define MIN(x, y) ( ((x)<(y))?(x):(y) ) + +/* 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