ext-cryptopp/config.h
2006-07-17 14:48:59 +00:00

329 lines
10 KiB
C

#ifndef CRYPTOPP_CONFIG_H
#define CRYPTOPP_CONFIG_H
// ***************** Important Settings ********************
// define this if running on a big-endian CPU
#if !defined(IS_LITTLE_ENDIAN) && (defined(__BIG_ENDIAN__) || defined(__sparc) || defined(__sparc__) || defined(__hppa__) || defined(__mips__) || (defined(__MWERKS__) && !defined(__INTEL__)))
# define IS_BIG_ENDIAN
#endif
// define this if running on a little-endian CPU
// big endian will be assumed if IS_LITTLE_ENDIAN is not defined
#ifndef IS_BIG_ENDIAN
# define IS_LITTLE_ENDIAN
#endif
// define this if you want to disable all OS-dependent features,
// such as sockets and OS-provided random number generators
// #define NO_OS_DEPENDENCE
// Define this to use features provided by Microsoft's CryptoAPI.
// Currently the only feature used is random number generation.
// This macro will be ignored if NO_OS_DEPENDENCE is defined.
#define USE_MS_CRYPTOAPI
// Define this to 1 to enforce the requirement in FIPS 186-2 Change Notice 1 that only 1024 bit moduli be used
#ifndef DSA_1024_BIT_MODULUS_ONLY
# define DSA_1024_BIT_MODULUS_ONLY 1
#endif
// ***************** Less Important Settings ***************
// define this to retain (as much as possible) old deprecated function and class names
// #define CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY
#define GZIP_OS_CODE 0
// Try this if your CPU has 256K internal cache or a slow multiply instruction
// and you want a (possibly) faster IDEA implementation using log tables
// #define IDEA_LARGECACHE
// Define this if, for the linear congruential RNG, you want to use
// the original constants as specified in S.K. Park and K.W. Miller's
// CACM paper.
// #define LCRNG_ORIGINAL_NUMBERS
// choose which style of sockets to wrap (mostly useful for cygwin which has both)
#define PREFER_BERKELEY_STYLE_SOCKETS
// #define PREFER_WINDOWS_STYLE_SOCKETS
// set the name of Rijndael cipher, was "Rijndael" before version 5.3
#define CRYPTOPP_RIJNDAEL_NAME "AES"
// ***************** Important Settings Again ********************
// But the defaults should be ok.
// namespace support is now required
#ifdef NO_NAMESPACE
# error namespace support is now required
#endif
// Define this to workaround a Microsoft CryptoAPI bug where
// each call to CryptAcquireContext causes a 100 KB memory leak.
// Defining this will cause Crypto++ to make only one call to CryptAcquireContext.
#define WORKAROUND_MS_BUG_Q258000
#ifdef CRYPTOPP_DOXYGEN_PROCESSING
// Avoid putting "CryptoPP::" in front of everything in Doxygen output
# define CryptoPP
# define NAMESPACE_BEGIN(x)
# define NAMESPACE_END
// Get Doxygen to generate better documentation for these typedefs
# define DOCUMENTED_TYPEDEF(x, y) class y : public x {};
#else
# define NAMESPACE_BEGIN(x) namespace x {
# define NAMESPACE_END }
# define DOCUMENTED_TYPEDEF(x, y) typedef x y;
#endif
#define ANONYMOUS_NAMESPACE_BEGIN namespace {
#define USING_NAMESPACE(x) using namespace x;
#define DOCUMENTED_NAMESPACE_BEGIN(x) namespace x {
#define DOCUMENTED_NAMESPACE_END }
// What is the type of the third parameter to bind?
// For Unix, the new standard is ::socklen_t (typically unsigned int), and the old standard is int.
// Unfortunately there is no way to tell whether or not socklen_t is defined.
// To work around this, TYPE_OF_SOCKLEN_T is a macro so that you can change it from the makefile.
#ifndef TYPE_OF_SOCKLEN_T
# if defined(_WIN32) || defined(__CYGWIN__)
# define TYPE_OF_SOCKLEN_T int
# else
# define TYPE_OF_SOCKLEN_T ::socklen_t
# endif
#endif
#if defined(__CYGWIN__) && defined(PREFER_WINDOWS_STYLE_SOCKETS)
# define __USE_W32_SOCKETS
#endif
typedef unsigned char byte; // put in global namespace to avoid ambiguity with other byte typedefs
NAMESPACE_BEGIN(CryptoPP)
typedef unsigned short word16;
typedef unsigned int word32;
#if defined(__GNUC__) || defined(__MWERKS__)
#define WORD64_AVAILABLE
typedef unsigned long long word64;
#define W64LIT(x) x##LL
#elif defined(_MSC_VER) || defined(__BCPLUSPLUS__)
#define WORD64_AVAILABLE
typedef unsigned __int64 word64;
#define W64LIT(x) x##ui64
#endif
// define largest word type
#ifdef WORD64_AVAILABLE
typedef word64 lword;
const lword LWORD_MAX = W64LIT(0)-1;
#else
typedef word32 lword;
const lword LWORD_MAX = lword(0)-1;
#endif
#if defined(__alpha__) || defined(__ia64__) || defined(_ARCH_PPC64) || defined(__x86_64__) || defined(__mips64) || defined(_M_X64)
// These platforms have 64-bit CPU registers. Unfortunately most C++ compilers doesn't
// allow any way to access the 64-bit by 64-bit multiply instruction without using
// assembly, so in order to use word64 as word, the assembly instruction must be defined
// in Dword::Multiply().
typedef word32 hword;
typedef word64 word;
#else
#define CRYPTOPP_NATIVE_DWORD_AVAILABLE
#ifdef WORD64_AVAILABLE
#define CRYPTOPP_SLOW_WORD64 // defined this if your CPU is not 64-bit to use alternative code that avoids word64
typedef word16 hword;
typedef word32 word;
typedef word64 dword;
#else
typedef word8 hword;
typedef word16 word;
typedef word32 dword;
#endif
#endif
const unsigned int WORD_SIZE = sizeof(word);
const unsigned int WORD_BITS = WORD_SIZE * 8;
#if defined(_MSC_VER) || defined(__BCPLUSPLUS__)
#define INTEL_INTRINSICS
#define FAST_ROTATE
#elif defined(__MWERKS__) && TARGET_CPU_PPC
#define PPC_INTRINSICS
#define FAST_ROTATE
#elif defined(__GNUC__) && defined(__i386__)
// GCC does peephole optimizations which should result in using rotate instructions
#define FAST_ROTATE
#endif
#ifndef CRYPTOPP_L1_CACHE_LINE_SIZE
// This should be a lower bound on the L1 cache line size. It's used for defense against timing attacks.
// L1 cache line size is 32 on Pentium III and earlier
#define CRYPTOPP_L1_CACHE_LINE_SIZE 32
#endif
#ifndef CRYPTOPP_L1_CACHE_ALIGN
#ifdef _MSC_VER
#define CRYPTOPP_L1_CACHE_ALIGN(x) __declspec(align(CRYPTOPP_L1_CACHE_LINE_SIZE)) x
#elif defined(__GNUC__)
#define CRYPTOPP_L1_CACHE_ALIGN(x) x __attribute__((aligned(CRYPTOPP_L1_CACHE_LINE_SIZE)))
#endif
#endif
NAMESPACE_END
// VC60 workaround: it doesn't allow typename in some places
#if defined(_MSC_VER) && (_MSC_VER < 1300)
#define CPP_TYPENAME
#else
#define CPP_TYPENAME typename
#endif
#ifdef _MSC_VER
#define CRYPTOPP_NO_VTABLE __declspec(novtable)
#else
#define CRYPTOPP_NO_VTABLE
#endif
#ifdef _MSC_VER
// 4231: nonstandard extension used : 'extern' before template explicit instantiation
// 4250: dominance
// 4251: member needs to have dll-interface
// 4275: base needs to have dll-interface
// 4660: explicitly instantiating a class that's already implicitly instantiated
// 4661: no suitable definition provided for explicit template instantiation request
// 4786: identifer was truncated in debug information
// 4355: 'this' : used in base member initializer list
# pragma warning(disable: 4231 4250 4251 4275 4660 4661 4786 4355)
#endif
#if (defined(_MSC_VER) && _MSC_VER <= 1300) || defined(__MWERKS__) || defined(_STLPORT_VERSION)
#define CRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION
#endif
#ifndef CRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION
#define CRYPTOPP_UNCAUGHT_EXCEPTION_AVAILABLE
#endif
// CodeWarrior defines _MSC_VER
#if !defined(CRYPTOPP_DISABLE_X86ASM) && ((defined(_MSC_VER) && !defined(__MWERKS__) && defined(_M_IX86)) || (defined(__GNUC__) && defined(__i386__)))
#define CRYPTOPP_X86ASM_AVAILABLE
#endif
// ***************** determine availability of OS features ********************
#ifndef NO_OS_DEPENDENCE
#if defined(_WIN32) || defined(__CYGWIN__)
#define CRYPTOPP_WIN32_AVAILABLE
#endif
#if defined(__unix__) || defined(__MACH__)
#define CRYPTOPP_UNIX_AVAILABLE
#endif
#if defined(WORD64_AVAILABLE) && (defined(CRYPTOPP_WIN32_AVAILABLE) || defined(CRYPTOPP_UNIX_AVAILABLE))
# define HIGHRES_TIMER_AVAILABLE
#endif
#ifdef CRYPTOPP_UNIX_AVAILABLE
# define HAS_BERKELEY_STYLE_SOCKETS
#endif
#ifdef CRYPTOPP_WIN32_AVAILABLE
# define HAS_WINDOWS_STYLE_SOCKETS
#endif
#if defined(HIGHRES_TIMER_AVAILABLE) && (defined(HAS_BERKELEY_STYLE_SOCKETS) || defined(HAS_WINDOWS_STYLE_SOCKETS))
# define SOCKETS_AVAILABLE
#endif
#if defined(HAS_WINDOWS_STYLE_SOCKETS) && (!defined(HAS_BERKELEY_STYLE_SOCKETS) || defined(PREFER_WINDOWS_STYLE_SOCKETS))
# define USE_WINDOWS_STYLE_SOCKETS
#else
# define USE_BERKELEY_STYLE_SOCKETS
#endif
#if defined(CRYPTOPP_WIN32_AVAILABLE) && !defined(USE_BERKELEY_STYLE_SOCKETS)
# define WINDOWS_PIPES_AVAILABLE
#endif
#if defined(CRYPTOPP_WIN32_AVAILABLE) && defined(USE_MS_CRYPTOAPI)
# define NONBLOCKING_RNG_AVAILABLE
# define OS_RNG_AVAILABLE
#endif
#if defined(CRYPTOPP_UNIX_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING)
# define NONBLOCKING_RNG_AVAILABLE
# define BLOCKING_RNG_AVAILABLE
# define OS_RNG_AVAILABLE
# define HAS_PTHREADS
# define THREADS_AVAILABLE
#endif
#ifdef CRYPTOPP_WIN32_AVAILABLE
# define HAS_WINTHREADS
# define THREADS_AVAILABLE
#endif
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
# define CRYPTOPP_MALLOC_ALIGNMENT_IS_16
#endif
#if defined(__linux__) || defined(__sun__) || defined(__CYGWIN__)
# define CRYPTOPP_MEMALIGN_AVAILABLE
#endif
#endif // NO_OS_DEPENDENCE
// ***************** DLL related ********************
#ifdef CRYPTOPP_WIN32_AVAILABLE
#ifdef CRYPTOPP_EXPORTS
#define CRYPTOPP_IS_DLL
#define CRYPTOPP_DLL __declspec(dllexport)
#elif defined(CRYPTOPP_IMPORTS)
#define CRYPTOPP_IS_DLL
#define CRYPTOPP_DLL __declspec(dllimport)
#else
#define CRYPTOPP_DLL
#endif
#define CRYPTOPP_API __cdecl
#else // CRYPTOPP_WIN32_AVAILABLE
#define CRYPTOPP_DLL
#define CRYPTOPP_API
#endif // CRYPTOPP_WIN32_AVAILABLE
#if defined(__MWERKS__)
#define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS extern class CRYPTOPP_DLL
#else
#define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS extern template class CRYPTOPP_DLL
#endif
#if defined(CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES) && !defined(CRYPTOPP_IMPORTS)
#define CRYPTOPP_DLL_TEMPLATE_CLASS template class CRYPTOPP_DLL
#else
#define CRYPTOPP_DLL_TEMPLATE_CLASS CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS
#endif
#if defined(__MWERKS__)
#define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS extern class
#else
#define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS extern template class
#endif
#if defined(CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES) && !defined(CRYPTOPP_EXPORTS)
#define CRYPTOPP_STATIC_TEMPLATE_CLASS template class
#else
#define CRYPTOPP_STATIC_TEMPLATE_CLASS CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS
#endif
#endif