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104 lines
4.0 KiB
104 lines
4.0 KiB
![]()
4 years ago
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// config_int.h - written and placed in public domain by Jeffrey Walton
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// the bits that make up this source file are from the
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// library's monolithic config.h.
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/// \file config_int.h
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/// \brief Library configuration file
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/// \details <tt>config.h</tt> was split into components in May 2019 to better
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/// integrate with Autoconf and its feature tests. The splitting occured so
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/// users could continue to include <tt>config.h</tt> while allowing Autoconf
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/// to write new <tt>config_asm.h</tt> and new <tt>config_cxx.h</tt> using
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/// its feature tests.
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/// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/835">Issue 835</A>
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/// \since Crypto++ 8.3
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#ifndef CRYPTOPP_CONFIG_INT_H
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#define CRYPTOPP_CONFIG_INT_H
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#include "config_ns.h"
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#include "config_ver.h"
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// Originally in global namespace to avoid ambiguity with other byte typedefs.
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// Moved to Crypto++ namespace due to C++17, std::byte and potential compile
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// problems. Also see http://www.cryptopp.com/wiki/std::byte and
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// http://github.com/weidai11/cryptopp/issues/442.
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// typedef unsigned char byte;
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#define CRYPTOPP_NO_GLOBAL_BYTE 1
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NAMESPACE_BEGIN(CryptoPP)
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// Signed words added at Issue 609 for early versions of and Visual Studio and
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// the NaCl gear. Also see https://github.com/weidai11/cryptopp/issues/609.
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typedef unsigned char byte;
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typedef unsigned short word16;
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typedef unsigned int word32;
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typedef signed char sbyte;
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typedef signed short sword16;
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typedef signed int sword32;
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#if defined(_MSC_VER) || defined(__BORLANDC__)
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typedef signed __int64 sword64;
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typedef unsigned __int64 word64;
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#define SW64LIT(x) x##i64
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#define W64LIT(x) x##ui64
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#elif (_LP64 || __LP64__)
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typedef signed long sword64;
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typedef unsigned long word64;
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#define SW64LIT(x) x##L
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#define W64LIT(x) x##UL
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#else
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typedef signed long long sword64;
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typedef unsigned long long word64;
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#define SW64LIT(x) x##LL
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#define W64LIT(x) x##ULL
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#endif
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// define large word type, used for file offsets and such
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typedef word64 lword;
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const lword LWORD_MAX = W64LIT(0xffffffffffffffff);
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// define hword, word, and dword. these are used for multiprecision integer arithmetic
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// Intel compiler won't have _umul128 until version 10.0. See http://softwarecommunity.intel.com/isn/Community/en-US/forums/thread/30231625.aspx
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#if (defined(_MSC_VER) && (!defined(__INTEL_COMPILER) || __INTEL_COMPILER >= 1000) && (defined(_M_X64) || defined(_M_IA64))) || (defined(__DECCXX) && defined(__alpha__)) || (defined(__INTEL_COMPILER) && defined(__x86_64__)) || (defined(__SUNPRO_CC) && defined(__x86_64__))
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typedef word32 hword;
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typedef word64 word;
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#else
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#define CRYPTOPP_NATIVE_DWORD_AVAILABLE 1
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#if defined(__alpha__) || defined(__ia64__) || defined(_ARCH_PPC64) || defined(__x86_64__) || defined(__mips64) || defined(__sparc64__) || defined(__aarch64__)
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#if ((CRYPTOPP_GCC_VERSION >= 30400) || (CRYPTOPP_LLVM_CLANG_VERSION >= 30000) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40300)) && (__SIZEOF_INT128__ >= 16)
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// GCC 4.0.1 on MacOS X is missing __umodti3 and __udivti3
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// GCC 4.8.3 and bad uint128_t ops on PPC64/POWER7 (Issue 421)
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// mode(TI) division broken on amd64 with GCC earlier than GCC 3.4
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typedef word32 hword;
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typedef word64 word;
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typedef __uint128_t dword;
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typedef __uint128_t word128;
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#define CRYPTOPP_WORD128_AVAILABLE 1
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#else
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// 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
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typedef word16 hword;
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typedef word32 word;
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typedef word64 dword;
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#endif
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#else
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// being here means the native register size is probably 32 bits or less
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#define CRYPTOPP_BOOL_SLOW_WORD64 1
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typedef word16 hword;
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typedef word32 word;
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typedef word64 dword;
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#endif
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#endif
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#ifndef CRYPTOPP_BOOL_SLOW_WORD64
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# define CRYPTOPP_BOOL_SLOW_WORD64 0
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#endif
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const unsigned int WORD_SIZE = sizeof(word);
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const unsigned int WORD_BITS = WORD_SIZE * 8;
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NAMESPACE_END
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#endif // CRYPTOPP_CONFIG_INT_H
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