diff options
Diffstat (limited to 'libtomcrypt/src/headers/tomcrypt_cfg.h')
| -rw-r--r-- | libtomcrypt/src/headers/tomcrypt_cfg.h | 231 |
1 files changed, 189 insertions, 42 deletions
diff --git a/libtomcrypt/src/headers/tomcrypt_cfg.h b/libtomcrypt/src/headers/tomcrypt_cfg.h index f7ad3cc..af2a095 100644 --- a/libtomcrypt/src/headers/tomcrypt_cfg.h +++ b/libtomcrypt/src/headers/tomcrypt_cfg.h @@ -1,3 +1,12 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + */ + /* This is the build config file. * * With this you can setup what to inlcude/exclude automatically during any build. Just comment @@ -8,15 +17,13 @@ #define TOMCRYPT_CFG_H #if defined(_WIN32) || defined(_MSC_VER) -#define LTC_CALL __cdecl -#else -#ifndef LTC_CALL + #define LTC_CALL __cdecl +#elif !defined(LTC_CALL) #define LTC_CALL #endif -#endif #ifndef LTC_EXPORT -#define LTC_EXPORT + #define LTC_EXPORT #endif /* certain platforms use macros for these, making the prototypes broken */ @@ -43,94 +50,234 @@ LTC_EXPORT int LTC_CALL XSTRCMP(const char *s1, const char *s2); #endif +/* some compilers do not like "inline" (or maybe "static inline"), namely: HP cc, IBM xlc */ +#if defined(__HP_cc) || defined(__xlc__) + #define LTC_INLINE +#elif defined(_MSC_VER) + #define LTC_INLINE __inline +#else + #define LTC_INLINE inline +#endif + /* type of argument checking, 0=default, 1=fatal and 2=error+continue, 3=nothing */ #ifndef ARGTYPE #define ARGTYPE 0 #endif -/* Controls endianess and size of registers. Leave uncommented to get platform neutral [slower] code - * +#undef LTC_ENCRYPT +#define LTC_ENCRYPT 0 +#undef LTC_DECRYPT +#define LTC_DECRYPT 1 + +/* Controls endianess and size of registers. Leave uncommented to get platform neutral [slower] code + * * Note: in order to use the optimized macros your platform must support unaligned 32 and 64 bit read/writes. * The x86 platforms allow this but some others [ARM for instance] do not. On those platforms you **MUST** * use the portable [slower] macros. */ - -/* detect x86-32 machines somewhat */ -#if !defined(__STRICT_ANSI__) && (defined(INTEL_CC) || (defined(_MSC_VER) && defined(WIN32)) || (defined(__GNUC__) && (defined(__DJGPP__) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__i386__)))) +/* detect x86/i386 32bit */ +#if defined(__i386__) || defined(__i386) || defined(_M_IX86) #define ENDIAN_LITTLE #define ENDIAN_32BITWORD #define LTC_FAST - #define LTC_FAST_TYPE unsigned long -#endif - -/* detects MIPS R5900 processors (PS2) */ -#if (defined(__R5900) || defined(R5900) || defined(__R5900__)) && (defined(_mips) || defined(__mips__) || defined(mips)) - #define ENDIAN_LITTLE - #define ENDIAN_64BITWORD #endif -/* detect amd64 */ -#if !defined(__STRICT_ANSI__) && defined(__x86_64__) +/* detect amd64/x64 */ +#if defined(__x86_64__) || defined(_M_X64) || defined(_M_AMD64) #define ENDIAN_LITTLE #define ENDIAN_64BITWORD #define LTC_FAST - #define LTC_FAST_TYPE unsigned long #endif /* detect PPC32 */ -#if !defined(__STRICT_ANSI__) && defined(LTC_PPC32) +#if defined(LTC_PPC32) #define ENDIAN_BIG #define ENDIAN_32BITWORD #define LTC_FAST - #define LTC_FAST_TYPE unsigned long -#endif +#endif + +/* detects MIPS R5900 processors (PS2) */ +#if (defined(__R5900) || defined(R5900) || defined(__R5900__)) && (defined(_mips) || defined(__mips__) || defined(mips)) + #define ENDIAN_64BITWORD + #if defined(_MIPSEB) || defined(__MIPSEB) || defined(__MIPSEB__) + #define ENDIAN_BIG + #endif + #define ENDIAN_LITTLE + #endif +#endif + +/* detect AIX */ +#if defined(_AIX) && defined(_BIG_ENDIAN) + #define ENDIAN_BIG + #if defined(__LP64__) || defined(_ARCH_PPC64) + #define ENDIAN_64BITWORD + #else + #define ENDIAN_32BITWORD + #endif +#endif -/* detect sparc and sparc64 */ -#if defined(__sparc__) +/* detect HP-UX */ +#if defined(__hpux) || defined(__hpux__) #define ENDIAN_BIG - #if defined(__arch64__) + #if defined(__ia64) || defined(__ia64__) || defined(__LP64__) #define ENDIAN_64BITWORD #else #define ENDIAN_32BITWORD #endif #endif +/* detect Apple OS X */ +#if defined(__APPLE__) && defined(__MACH__) + #if defined(__LITTLE_ENDIAN__) || defined(__x86_64__) + #define ENDIAN_LITTLE + #else + #define ENDIAN_BIG + #endif + #if defined(__LP64__) || defined(__x86_64__) + #define ENDIAN_64BITWORD + #else + #define ENDIAN_32BITWORD + #endif +#endif -#ifdef LTC_NO_FAST - #ifdef LTC_FAST - #undef LTC_FAST +/* detect SPARC and SPARC64 */ +#if defined(__sparc__) || defined(__sparc) + #define ENDIAN_BIG + #if defined(__arch64__) || defined(__sparcv9) || defined(__sparc_v9__) + #define ENDIAN_64BITWORD + #else + #define ENDIAN_32BITWORD + #endif +#endif + +/* detect IBM S390(x) */ +#if defined(__s390x__) || defined(__s390__) + #define ENDIAN_BIG + #if defined(__s390x__) + #define ENDIAN_64BITWORD + #else + #define ENDIAN_32BITWORD + #endif +#endif + +/* detect PPC64 */ +#if defined(__powerpc64__) || defined(__ppc64__) || defined(__PPC64__) + #define ENDIAN_64BITWORD + #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ + #define ENDIAN_BIG + #elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ + #define ENDIAN_LITTLE #endif + #define LTC_FAST +#endif + +/* endianness fallback */ +#if !defined(ENDIAN_BIG) && !defined(ENDIAN_LITTLE) + #if defined(_BYTE_ORDER) && _BYTE_ORDER == _BIG_ENDIAN || \ + defined(__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN || \ + defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ || \ + defined(__BIG_ENDIAN__) || \ + defined(__ARMEB__) || defined(__THUMBEB__) || defined(__AARCH64EB__) || \ + defined(_MIPSEB) || defined(__MIPSEB) || defined(__MIPSEB__) + #define ENDIAN_BIG + #elif defined(_BYTE_ORDER) && _BYTE_ORDER == _LITTLE_ENDIAN || \ + defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN || \ + defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ || \ + defined(__LITTLE_ENDIAN__) || \ + defined(__ARMEL__) || defined(__THUMBEL__) || defined(__AARCH64EL__) || \ + defined(_MIPSEL) || defined(__MIPSEL) || defined(__MIPSEL__) + #define ENDIAN_LITTLE + #else + #error Cannot detect endianness + #endif +#endif + +/* ulong64: 64-bit data type */ +#ifdef _MSC_VER + #define CONST64(n) n ## ui64 + typedef unsigned __int64 ulong64; +#else + #define CONST64(n) n ## ULL + typedef unsigned long long ulong64; +#endif + +/* ulong32: "32-bit at least" data type */ +#if defined(__x86_64__) || defined(_M_X64) || defined(_M_AMD64) || \ + defined(__powerpc64__) || defined(__ppc64__) || defined(__PPC64__) || \ + defined(__s390x__) || defined(__arch64__) || defined(__aarch64__) || \ + defined(__sparcv9) || defined(__sparc_v9__) || defined(__sparc64__) || \ + defined(__ia64) || defined(__ia64__) || defined(__itanium__) || defined(_M_IA64) || \ + defined(__LP64__) || defined(_LP64) || defined(__64BIT__) + typedef unsigned ulong32; + #if !defined(ENDIAN_64BITWORD) && !defined(ENDIAN_32BITWORD) + #define ENDIAN_64BITWORD + #endif +#else + typedef unsigned long ulong32; + #if !defined(ENDIAN_64BITWORD) && !defined(ENDIAN_32BITWORD) + #define ENDIAN_32BITWORD + #endif +#endif + +#if defined(ENDIAN_64BITWORD) && !defined(_MSC_VER) +typedef unsigned long long ltc_mp_digit; +#else +typedef unsigned long ltc_mp_digit; #endif /* No asm is a quick way to disable anything "not portable" */ #ifdef LTC_NO_ASM - #undef ENDIAN_LITTLE - #undef ENDIAN_BIG + #define ENDIAN_NEUTRAL #undef ENDIAN_32BITWORD #undef ENDIAN_64BITWORD #undef LTC_FAST - #undef LTC_FAST_TYPE #define LTC_NO_ROLC - #define LTC_NO_BSWAP + #define LTC_NO_BSWAP #endif -/* #define ENDIAN_LITTLE */ -/* #define ENDIAN_BIG */ +/* No LTC_FAST if: explicitly disabled OR non-gcc/non-clang compiler OR old gcc OR using -ansi -std=c99 */ +#if defined(LTC_NO_FAST) || (__GNUC__ < 4) || defined(__STRICT_ANSI__) + #undef LTC_FAST +#endif -/* #define ENDIAN_32BITWORD */ -/* #define ENDIAN_64BITWORD */ +#ifdef LTC_FAST + #define LTC_FAST_TYPE_PTR_CAST(x) ((LTC_FAST_TYPE*)(void*)(x)) + #ifdef ENDIAN_64BITWORD + typedef ulong64 __attribute__((__may_alias__)) LTC_FAST_TYPE; + #else + typedef ulong32 __attribute__((__may_alias__)) LTC_FAST_TYPE; + #endif +#endif -#if (defined(ENDIAN_BIG) || defined(ENDIAN_LITTLE)) && !(defined(ENDIAN_32BITWORD) || defined(ENDIAN_64BITWORD)) - #error You must specify a word size as well as endianess in tomcrypt_cfg.h +#if !defined(ENDIAN_NEUTRAL) && (defined(ENDIAN_BIG) || defined(ENDIAN_LITTLE)) && !(defined(ENDIAN_32BITWORD) || defined(ENDIAN_64BITWORD)) + #error You must specify a word size as well as endianess in tomcrypt_cfg.h #endif #if !(defined(ENDIAN_BIG) || defined(ENDIAN_LITTLE)) #define ENDIAN_NEUTRAL #endif +#if (defined(ENDIAN_32BITWORD) && defined(ENDIAN_64BITWORD)) + #error Cannot be 32 and 64 bit words... +#endif + +/* gcc 4.3 and up has a bswap builtin; detect it by gcc version. + * clang also supports the bswap builtin, and although clang pretends + * to be gcc (macro-wise, anyway), clang pretends to be a version + * prior to gcc 4.3, so we can't detect bswap that way. Instead, + * clang has a __has_builtin mechanism that can be used to check + * for builtins: + * http://clang.llvm.org/docs/LanguageExtensions.html#feature_check */ +#ifndef __has_builtin + #define __has_builtin(x) 0 +#endif +#if !defined(LTC_NO_BSWAP) && defined(__GNUC__) && \ + ((__GNUC__ * 100 + __GNUC_MINOR__ >= 403) || \ + (__has_builtin(__builtin_bswap32) && __has_builtin(__builtin_bswap64))) + #define LTC_HAVE_BSWAP_BUILTIN #endif -/* $Source$ */ -/* $Revision$ */ -/* $Date$ */ +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */ |