Crypto++: config.h Source File

00001 #ifndef CRYPTOPP_CONFIG_H
00002 #define CRYPTOPP_CONFIG_H
00003 
00004 // ***************** Important Settings ********************
00005 
00006 // define this if running on a big-endian CPU
00007 #if !defined(IS_LITTLE_ENDIAN) && (defined(__BIG_ENDIAN__) || defined(__sparc) || defined(__sparc__) || defined(__hppa__) || defined(__mips__) || (defined(__MWERKS__) && !defined(__INTEL__)))
00008 #       define IS_BIG_ENDIAN
00009 #endif
00010 
00011 // define this if running on a little-endian CPU
00012 // big endian will be assumed if IS_LITTLE_ENDIAN is not defined
00013 #ifndef IS_BIG_ENDIAN
00014 #       define IS_LITTLE_ENDIAN
00015 #endif
00016 
00017 // define this if you want to disable all OS-dependent features,
00018 // such as sockets and OS-provided random number generators
00019 // #define NO_OS_DEPENDENCE
00020 
00021 // Define this to use features provided by Microsoft's CryptoAPI.
00022 // Currently the only feature used is random number generation.
00023 // This macro will be ignored if NO_OS_DEPENDENCE is defined.
00024 #define USE_MS_CRYPTOAPI
00025 
00026 // Define this to 1 to enforce the requirement in FIPS 186-2 Change Notice 1 that only 1024 bit moduli be used
00027 #ifndef DSA_1024_BIT_MODULUS_ONLY
00028 #       define DSA_1024_BIT_MODULUS_ONLY 1
00029 #endif
00030 
00031 // ***************** Less Important Settings ***************
00032 
00033 // define this to retain (as much as possible) old deprecated function and class names
00034 // #define CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY
00035 
00036 #define GZIP_OS_CODE 0
00037 
00038 // Try this if your CPU has 256K internal cache or a slow multiply instruction
00039 // and you want a (possibly) faster IDEA implementation using log tables
00040 // #define IDEA_LARGECACHE
00041 
00042 // Define this if, for the linear congruential RNG, you want to use
00043 // the original constants as specified in S.K. Park and K.W. Miller's
00044 // CACM paper.
00045 // #define LCRNG_ORIGINAL_NUMBERS
00046 
00047 // choose which style of sockets to wrap (mostly useful for cygwin which has both)
00048 #define PREFER_BERKELEY_STYLE_SOCKETS
00049 // #define PREFER_WINDOWS_STYLE_SOCKETS
00050 
00051 // set the name of Rijndael cipher, was "Rijndael" before version 5.3
00052 #define CRYPTOPP_RIJNDAEL_NAME "AES"
00053 
00054 // ***************** Important Settings Again ********************
00055 // But the defaults should be ok.
00056 
00057 // namespace support is now required
00058 #ifdef NO_NAMESPACE
00059 #       error namespace support is now required
00060 #endif
00061 
00062 // Define this to workaround a Microsoft CryptoAPI bug where
00063 // each call to CryptAcquireContext causes a 100 KB memory leak.
00064 // Defining this will cause Crypto++ to make only one call to CryptAcquireContext.
00065 #define WORKAROUND_MS_BUG_Q258000
00066 
00067 #ifdef CRYPTOPP_DOXYGEN_PROCESSING
00068 // Avoid putting "CryptoPP::" in front of everything in Doxygen output
00069 #       define CryptoPP
00070 #       define NAMESPACE_BEGIN(x)
00071 #       define NAMESPACE_END
00072 // Get Doxygen to generate better documentation for these typedefs
00073 #       define DOCUMENTED_TYPEDEF(x, y) class y : public x {};
00074 #else
00075 #       define NAMESPACE_BEGIN(x) namespace x {
00076 #       define NAMESPACE_END }
00077 #       define DOCUMENTED_TYPEDEF(x, y) typedef x y;
00078 #endif
00079 #define ANONYMOUS_NAMESPACE_BEGIN namespace {
00080 #define USING_NAMESPACE(x) using namespace x;
00081 #define DOCUMENTED_NAMESPACE_BEGIN(x) namespace x {
00082 #define DOCUMENTED_NAMESPACE_END }
00083 
00084 // What is the type of the third parameter to bind?
00085 // For Unix, the new standard is ::socklen_t (typically unsigned int), and the old standard is int.
00086 // Unfortunately there is no way to tell whether or not socklen_t is defined.
00087 // To work around this, TYPE_OF_SOCKLEN_T is a macro so that you can change it from the makefile.
00088 #ifndef TYPE_OF_SOCKLEN_T
00089 #       if defined(_WIN32) || defined(__CYGWIN__)
00090 #               define TYPE_OF_SOCKLEN_T int
00091 #       else
00092 #               define TYPE_OF_SOCKLEN_T ::socklen_t
00093 #       endif
00094 #endif
00095 
00096 #if defined(__CYGWIN__) && defined(PREFER_WINDOWS_STYLE_SOCKETS)
00097 #       define __USE_W32_SOCKETS
00098 #endif
00099 
00100 typedef unsigned char byte;             // put in global namespace to avoid ambiguity with other byte typedefs
00101 
00102 NAMESPACE_BEGIN(CryptoPP)
00103 
00104 typedef unsigned short word16;
00105 typedef unsigned int word32;
00106 
00107 #if defined(__GNUC__) || defined(__MWERKS__) || defined(__SUNPRO_CC)
00108         #define WORD64_AVAILABLE
00109         typedef unsigned long long word64;
00110         #define W64LIT(x) x##LL
00111 #elif defined(_MSC_VER) || defined(__BORLANDC__)
00112         #define WORD64_AVAILABLE
00113         typedef unsigned __int64 word64;
00114         #define W64LIT(x) x##ui64
00115 #endif
00116 
00117 // define large word type, used for file offsets and such
00118 #ifdef WORD64_AVAILABLE
00119         typedef word64 lword;
00120         const lword LWORD_MAX = W64LIT(0xffffffffffffffff);
00121 #else
00122         typedef word32 lword;
00123         const lword LWORD_MAX = 0xffffffffUL;
00124 #endif
00125 
00126 // define hword, word, and dword. these are used for multiprecision integer arithmetic
00127 // Intel compiler won't have _umul128 until version 10.0. See http://softwarecommunity.intel.com/isn/Community/en-US/forums/thread/30231625.aspx
00128 #if (defined(_MSC_VER) && (!defined(__INTEL_COMPILER) || __INTEL_COMPILER >= 1000) && (defined(_M_X64) || defined(_M_IA64))) || (defined(__DECCXX) && defined(__alpha__))
00129         typedef word32 hword;
00130         typedef word64 word;
00131 #else
00132         #define CRYPTOPP_NATIVE_DWORD_AVAILABLE
00133         #if defined(__alpha__) || defined(__ia64__) || defined(_ARCH_PPC64) || defined(__x86_64__) || defined(__mips64) || defined(__sparc64__)
00134                 #if defined(__GNUC__) && !defined(__INTEL_COMPILER)
00135                         typedef word32 hword;
00136                         typedef word64 word;
00137                         typedef __uint128_t dword;
00138                         typedef __uint128_t word128;
00139                         #define CRYPTOPP_WORD128_AVAILABLE
00140                 #else
00141                         // if we're here, it means we're on a 64-bit CPU but we don't have a way to obtain 128-bit multiplication results
00142                         typedef word16 hword;
00143                         typedef word32 word;
00144                         typedef word64 dword;
00145                 #endif
00146         #elif defined(WORD64_AVAILABLE)
00147                 #define CRYPTOPP_SLOW_WORD64 // use alternative code that avoids word64
00148                 typedef word16 hword;
00149                 typedef word32 word;
00150                 typedef word64 dword;
00151         #else
00152                 typedef byte hword;
00153                 typedef word16 word;
00154                 typedef word32 dword;
00155         #endif
00156 #endif
00157 
00158 const unsigned int WORD_SIZE = sizeof(word);
00159 const unsigned int WORD_BITS = WORD_SIZE * 8;
00160 
00161 NAMESPACE_END
00162 
00163 #ifndef CRYPTOPP_L1_CACHE_LINE_SIZE
00164         // This should be a lower bound on the L1 cache line size. It's used for defense against timing attacks.
00165         #if defined(_M_X64) || defined(__x86_64__)
00166                 #define CRYPTOPP_L1_CACHE_LINE_SIZE 64
00167         #else
00168                 // L1 cache line size is 32 on Pentium III and earlier
00169                 #define CRYPTOPP_L1_CACHE_LINE_SIZE 32
00170         #endif
00171 #endif
00172 
00173 #if defined(_MSC_VER)
00174         #if _MSC_VER == 1200
00175                 #include <malloc.h>
00176         #endif
00177         #if _MSC_VER > 1200 || defined(_mm_free)
00178                 #define CRYPTOPP_MSVC6PP_OR_LATER               // VC 6 processor pack or later
00179         #else
00180                 #define CRYPTOPP_MSVC6_NO_PP                    // VC 6 without processor pack
00181         #endif
00182 #endif
00183 
00184 #ifdef __GNUC__
00185         #define CRYPTOPP_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
00186 #endif
00187 
00188 #ifndef CRYPTOPP_ALIGN_DATA
00189         #if defined(CRYPTOPP_MSVC6PP_OR_LATER)
00190                 #define CRYPTOPP_ALIGN_DATA(x) __declspec(align(x))
00191         #elif defined(__GNUC__) || __SUNPRO_CC > 0x580
00192                 #define CRYPTOPP_ALIGN_DATA(x) __attribute__((aligned(x)))
00193         #else
00194                 #define CRYPTOPP_ALIGN_DATA(x)
00195         #endif
00196 #endif
00197 
00198 #ifndef CRYPTOPP_SECTION_ALIGN16
00199         #if defined(__GNUC__) && !defined(__APPLE__)
00200                 // the alignment attribute doesn't seem to work without this section attribute when -fdata-sections is turned on
00201                 #define CRYPTOPP_SECTION_ALIGN16 __attribute__((section ("CryptoPP_Align16")))
00202         #else
00203                 #define CRYPTOPP_SECTION_ALIGN16
00204         #endif
00205 #endif
00206 
00207 #if defined(_MSC_VER) || defined(__fastcall)
00208         #define CRYPTOPP_FASTCALL __fastcall
00209 #else
00210         #define CRYPTOPP_FASTCALL
00211 #endif
00212 
00213 // VC60 workaround: it doesn't allow typename in some places
00214 #if defined(_MSC_VER) && (_MSC_VER < 1300)
00215 #define CPP_TYPENAME
00216 #else
00217 #define CPP_TYPENAME typename
00218 #endif
00219 
00220 // VC60 workaround: can't cast unsigned __int64 to float or double
00221 #if defined(_MSC_VER) && !defined(CRYPTOPP_MSVC6PP_OR_LATER)
00222 #define CRYPTOPP_VC6_INT64 (__int64)
00223 #else
00224 #define CRYPTOPP_VC6_INT64
00225 #endif
00226 
00227 #ifdef _MSC_VER
00228 #define CRYPTOPP_NO_VTABLE __declspec(novtable)
00229 #else
00230 #define CRYPTOPP_NO_VTABLE
00231 #endif
00232 
00233 #ifdef _MSC_VER
00234         // 4231: nonstandard extension used : 'extern' before template explicit instantiation
00235         // 4250: dominance
00236         // 4251: member needs to have dll-interface
00237         // 4275: base needs to have dll-interface
00238         // 4660: explicitly instantiating a class that's already implicitly instantiated
00239         // 4661: no suitable definition provided for explicit template instantiation request
00240         // 4786: identifer was truncated in debug information
00241         // 4355: 'this' : used in base member initializer list
00242 #       pragma warning(disable: 4231 4250 4251 4275 4660 4661 4786 4355)
00243 #endif
00244 
00245 #ifdef __BORLANDC__
00246 // 8037: non-const function called for const object. needed to work around BCB2006 bug
00247 #       pragma warn -8037
00248 #endif
00249 
00250 #if (defined(_MSC_VER) && _MSC_VER <= 1300) || defined(__MWERKS__) || defined(_STLPORT_VERSION)
00251 #define CRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION
00252 #endif
00253 
00254 #ifndef CRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION
00255 #define CRYPTOPP_UNCAUGHT_EXCEPTION_AVAILABLE
00256 #endif
00257 
00258 #ifdef CRYPTOPP_DISABLE_X86ASM          // for backwards compatibility: this macro had both meanings
00259 #define CRYPTOPP_DISABLE_ASM
00260 #define CRYPTOPP_DISABLE_SSE2
00261 #endif
00262 
00263 #if !defined(CRYPTOPP_DISABLE_ASM) && ((defined(CRYPTOPP_MSVC6PP_OR_LATER) && defined(_M_IX86)) || (defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))))
00264         #define CRYPTOPP_X86_ASM_AVAILABLE
00265 
00266         #if !defined(CRYPTOPP_DISABLE_SSE2) && (defined(CRYPTOPP_MSVC6PP_OR_LATER) || CRYPTOPP_GCC_VERSION >= 30300)
00267                 #define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 1
00268         #else
00269                 #define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 0
00270         #endif
00271 
00272         // SSSE3 was actually introduced in GNU as 2.17, which was released 6/23/2006, but we can't tell what version of binutils is installed.
00273         // GCC 4.1.2 was released on 2/13/2007, so we'll use that as a proxy for the binutils version.
00274         #if !defined(CRYPTOPP_DISABLE_SSSE3) && (_MSC_VER >= 1400 || CRYPTOPP_GCC_VERSION >= 40102)
00275                 #define CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE 1
00276         #else
00277                 #define CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE 0
00278         #endif
00279 #endif
00280 
00281 #if !defined(CRYPTOPP_DISABLE_ASM) && defined(_MSC_VER) && defined(_M_X64)
00282         #define CRYPTOPP_X64_MASM_AVAILABLE
00283 #endif
00284 
00285 #if !defined(CRYPTOPP_DISABLE_ASM) && defined(__GNUC__) && defined(__x86_64__)
00286         #define CRYPTOPP_X64_ASM_AVAILABLE
00287 #endif
00288 
00289 #if !defined(CRYPTOPP_DISABLE_SSE2) && (defined(CRYPTOPP_MSVC6PP_OR_LATER) || defined(__SSE2__))
00290         #define CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE 1
00291 #else
00292         #define CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE 0
00293 #endif
00294 
00295 // how to allocate 16-byte aligned memory (for SSE2)
00296 #if defined(CRYPTOPP_MSVC6PP_OR_LATER)
00297         #define CRYPTOPP_MM_MALLOC_AVAILABLE
00298 #elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
00299         #define CRYPTOPP_MALLOC_ALIGNMENT_IS_16
00300 #elif defined(__linux__) || defined(__sun__) || defined(__CYGWIN__)
00301         #define CRYPTOPP_MEMALIGN_AVAILABLE
00302 #else
00303         #define CRYPTOPP_NO_ALIGNED_ALLOC
00304 #endif
00305 
00306 // how to disable inlining
00307 #if defined(_MSC_VER) && _MSC_VER >= 1300
00308 #       define CRYPTOPP_NOINLINE_DOTDOTDOT
00309 #       define CRYPTOPP_NOINLINE __declspec(noinline)
00310 #elif defined(__GNUC__)
00311 #       define CRYPTOPP_NOINLINE_DOTDOTDOT
00312 #       define CRYPTOPP_NOINLINE __attribute__((noinline))
00313 #else
00314 #       define CRYPTOPP_NOINLINE_DOTDOTDOT ...
00315 #       define CRYPTOPP_NOINLINE 
00316 #endif
00317 
00318 // how to declare class constants
00319 #if defined(_MSC_VER) && _MSC_VER <= 1300
00320 #       define CRYPTOPP_CONSTANT(x) enum {x};
00321 #else
00322 #       define CRYPTOPP_CONSTANT(x) static const int x;
00323 #endif
00324 
00325 #if defined(_M_X64) || defined(__x86_64__)
00326         #define CRYPTOPP_BOOL_X64 1
00327 #else
00328         #define CRYPTOPP_BOOL_X64 0
00329 #endif
00330 
00331 // see http://predef.sourceforge.net/prearch.html
00332 #if defined(_M_IX86) || defined(__i386__) || defined(__i386) || defined(_X86_) || defined(__I86__) || defined(__INTEL__)
00333         #define CRYPTOPP_BOOL_X86 1
00334 #else
00335         #define CRYPTOPP_BOOL_X86 0
00336 #endif
00337 
00338 #if CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X86
00339         #define CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS
00340 #endif
00341 
00342 // ***************** determine availability of OS features ********************
00343 
00344 #ifndef NO_OS_DEPENDENCE
00345 
00346 #if defined(_WIN32) || defined(__CYGWIN__)
00347 #define CRYPTOPP_WIN32_AVAILABLE
00348 #endif
00349 
00350 #if defined(__unix__) || defined(__MACH__) || defined(__NetBSD__) || defined(__sun)
00351 #define CRYPTOPP_UNIX_AVAILABLE
00352 #endif
00353 
00354 #if defined(WORD64_AVAILABLE) && (defined(CRYPTOPP_WIN32_AVAILABLE) || defined(CRYPTOPP_UNIX_AVAILABLE))
00355 #       define HIGHRES_TIMER_AVAILABLE
00356 #endif
00357 
00358 #ifdef CRYPTOPP_UNIX_AVAILABLE
00359 #       define HAS_BERKELEY_STYLE_SOCKETS
00360 #endif
00361 
00362 #ifdef CRYPTOPP_WIN32_AVAILABLE
00363 #       define HAS_WINDOWS_STYLE_SOCKETS
00364 #endif
00365 
00366 #if defined(HIGHRES_TIMER_AVAILABLE) && (defined(HAS_BERKELEY_STYLE_SOCKETS) || defined(HAS_WINDOWS_STYLE_SOCKETS))
00367 #       define SOCKETS_AVAILABLE
00368 #endif
00369 
00370 #if defined(HAS_WINDOWS_STYLE_SOCKETS) && (!defined(HAS_BERKELEY_STYLE_SOCKETS) || defined(PREFER_WINDOWS_STYLE_SOCKETS))
00371 #       define USE_WINDOWS_STYLE_SOCKETS
00372 #else
00373 #       define USE_BERKELEY_STYLE_SOCKETS
00374 #endif
00375 
00376 #if defined(HIGHRES_TIMER_AVAILABLE) && defined(CRYPTOPP_WIN32_AVAILABLE) && !defined(USE_BERKELEY_STYLE_SOCKETS)
00377 #       define WINDOWS_PIPES_AVAILABLE
00378 #endif
00379 
00380 #if defined(CRYPTOPP_WIN32_AVAILABLE) && defined(USE_MS_CRYPTOAPI)
00381 #       define NONBLOCKING_RNG_AVAILABLE
00382 #       define OS_RNG_AVAILABLE
00383 #endif
00384 
00385 #if defined(CRYPTOPP_UNIX_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING)
00386 #       define NONBLOCKING_RNG_AVAILABLE
00387 #       define BLOCKING_RNG_AVAILABLE
00388 #       define OS_RNG_AVAILABLE
00389 #       define HAS_PTHREADS
00390 #       define THREADS_AVAILABLE
00391 #endif
00392 
00393 #ifdef CRYPTOPP_WIN32_AVAILABLE
00394 #       define HAS_WINTHREADS
00395 #       define THREADS_AVAILABLE
00396 #endif
00397 
00398 #endif  // NO_OS_DEPENDENCE
00399 
00400 // ***************** DLL related ********************
00401 
00402 #ifdef CRYPTOPP_WIN32_AVAILABLE
00403 
00404 #ifdef CRYPTOPP_EXPORTS
00405 #define CRYPTOPP_IS_DLL
00406 #define CRYPTOPP_DLL __declspec(dllexport)
00407 #elif defined(CRYPTOPP_IMPORTS)
00408 #define CRYPTOPP_IS_DLL
00409 #define CRYPTOPP_DLL __declspec(dllimport)
00410 #else
00411 #define CRYPTOPP_DLL
00412 #endif
00413 
00414 #define CRYPTOPP_API __cdecl
00415 
00416 #else   // CRYPTOPP_WIN32_AVAILABLE
00417 
00418 #define CRYPTOPP_DLL
00419 #define CRYPTOPP_API
00420 
00421 #endif  // CRYPTOPP_WIN32_AVAILABLE
00422 
00423 #if defined(__MWERKS__)
00424 #define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS extern class CRYPTOPP_DLL
00425 #elif defined(__BORLANDC__) || defined(__SUNPRO_CC)
00426 #define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS template class CRYPTOPP_DLL
00427 #else
00428 #define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS extern template class CRYPTOPP_DLL
00429 #endif
00430 
00431 #if defined(CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES) && !defined(CRYPTOPP_IMPORTS)
00432 #define CRYPTOPP_DLL_TEMPLATE_CLASS template class CRYPTOPP_DLL
00433 #else
00434 #define CRYPTOPP_DLL_TEMPLATE_CLASS CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS
00435 #endif
00436 
00437 #if defined(__MWERKS__)
00438 #define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS extern class
00439 #elif defined(__BORLANDC__) || defined(__SUNPRO_CC)
00440 #define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS template class
00441 #else
00442 #define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS extern template class
00443 #endif
00444 
00445 #if defined(CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES) && !defined(CRYPTOPP_EXPORTS)
00446 #define CRYPTOPP_STATIC_TEMPLATE_CLASS template class
00447 #else
00448 #define CRYPTOPP_STATIC_TEMPLATE_CLASS CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS
00449 #endif
00450 
00451 #endif