config.h

各种加密算法的集合

#ifndef CRYPTOPP_CONFIG_H 
#define CRYPTOPP_CONFIG_H 
 
// define this if running on a little-endian CPU 
 
#define IS_LITTLE_ENDIAN 
 
// define this if your compiler doesn't support namespaces 
 
#ifdef __GNUC__ 
#define NO_NAMESPACE 
#endif 
 
// switch between different secure memory allocation mechnisms, this is the only 
// one available right now 
 
#define SECALLOC_DEFAULT 
 
#define GZIP_OS_CODE 0 
 
// how much memory to use for deflation (compression) 
// note 16 bit compilers don't work with BIG_MEM (pointer wraps around segment boundary) 
 
// #define SMALL_MEM 
#define MEDIUM_MEM 
// #define BIG_MEM 
 
// 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 
 
// Try this if you have a large cache or your CPU is slow manipulating 
// individual bytes. 
 
// #define DIAMOND_USE_PERMTABLE 
 
// 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 
 
// Make sure these typedefs are correct for your platform 
 
typedef unsigned char byte; 
typedef unsigned short word16; 
#if defined(__alpha) && !defined(_MSC_VER) 
typedef unsigned int word32; 
#else 
typedef unsigned long word32; 
#endif 
 
#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 
 
// word should have the same size as your CPU registers 
// dword should be twice as big as word 
 
#if (defined(__GNUC__) && !defined(__alpha)) || defined(__MWERKS__) 
typedef unsigned long word; 
typedef unsigned long long dword; 
#elif defined(_MSC_VER) || defined(__BCPLUSPLUS__) 
typedef unsigned __int32 word; 
typedef unsigned __int64 dword; 
#else 
typedef unsigned int word; 
typedef unsigned long dword; 
#endif 
 
const unsigned int WORD_SIZE = sizeof(word); 
const unsigned int WORD_BITS = WORD_SIZE * 8; 
 
#define LOW_WORD(x) (word)(x) 
 
#ifdef IS_LITTLE_ENDIAN 
#define HIGH_WORD(x) (*(((word *)&(x))+1)) 
#else 
#define HIGH_WORD(x) (*((word *)&(x))) 
#endif 
 
// if the above HIGH_WORD macro doesn't work (if you are not sure, compile it 
// and run the validation tests), try this: 
// #define HIGH_WORD(x) (word)((x)>>WORD_BITS) 
 
#ifdef _MSC_VER 
// 4250: dominance 
// 4660: explicitly instantiating a class that's already implicitly instantiated 
// 4786: identifer was truncated in debug information 
#pragma warning(disable: 4250 4660 4786) 
#endif 
 
#ifdef NO_NAMESPACE 
#define std 
#define CryptoPP 
#define USING_NAMESPACE(x) 
#define NAMESPACE_BEGIN(x) 
#define NAMESPACE_END 
#define ANONYMOUS_NAMESPACE_BEGIN 
#else 
#define USING_NAMESPACE(x) using namespace x; 
#define NAMESPACE_BEGIN(x) namespace x { 
#define ANONYMOUS_NAMESPACE_BEGIN namespace { 
#define NAMESPACE_END } 
#endif 
 
#ifdef _MSC_VER 
// VC60 workaround 
#define STDMIN std::_cpp_min 
#define STDMAX std::_cpp_max 
#else 
#define STDMIN std::min 
#define STDMAX std::max 
#endif 
 
#endif