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186 lines
7.6 KiB
186 lines
7.6 KiB
![]()
4 years ago
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// config_misc.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_misc.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_MISC_H
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#define CRYPTOPP_CONFIG_MISC_H
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#include "config_asm.h"
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#include "config_cxx.h"
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#include "config_os.h"
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#include "config_ver.h"
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// Define this if running on a big-endian CPU
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// big endian will be assumed if CRYPTOPP_LITTLE_ENDIAN is not non-0
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#if !defined(CRYPTOPP_LITTLE_ENDIAN) && !defined(CRYPTOPP_BIG_ENDIAN) && (defined(__BIG_ENDIAN__) || (defined(__s390__) || defined(__s390x__) || defined(__zarch__)) || (defined(__m68k__) || defined(__MC68K__)) || defined(__sparc) || defined(__sparc__) || defined(__hppa__) || defined(__MIPSEB__) || defined(__ARMEB__) || (defined(__MWERKS__) && !defined(__INTEL__)))
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# define CRYPTOPP_BIG_ENDIAN 1
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#endif
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// Define this if running on a little-endian CPU
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// big endian will be assumed if CRYPTOPP_LITTLE_ENDIAN is not non-0
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#if !defined(CRYPTOPP_BIG_ENDIAN) && !defined(CRYPTOPP_LITTLE_ENDIAN)
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# define CRYPTOPP_LITTLE_ENDIAN 1
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#endif
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// Define this if you want to set a prefix for TestData/ and TestVectors/
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// Be sure to add the trailing slash since its simple concatenation.
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// After https://github.com/weidai11/cryptopp/issues/760 the library
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// should find the test vectors and data without much effort. It
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// will search in "./" and "$ORIGIN/../share/cryptopp" automatically.
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#ifndef CRYPTOPP_DATA_DIR
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# define CRYPTOPP_DATA_DIR ""
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#endif
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// Define this to disable the test suite from searching for test
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// vectors and data in "./" and "$ORIGIN/../share/cryptopp". The
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// library will still search in CRYPTOPP_DATA_DIR, regardless.
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// Some distros may want to disable this feature. Also see
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// https://github.com/weidai11/cryptopp/issues/760
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// #ifndef CRYPTOPP_DISABLE_DATA_DIR_SEARCH
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// # define CRYPTOPP_DISABLE_DATA_DIR_SEARCH
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// #endif
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// Define this if you want or need the library's memcpy_s and memmove_s.
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// See http://github.com/weidai11/cryptopp/issues/28.
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// #if !defined(CRYPTOPP_WANT_SECURE_LIB)
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// # define CRYPTOPP_WANT_SECURE_LIB
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// #endif
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// Define this if ARMv8 shifts are slow. ARM Cortex-A53 and Cortex-A57 shift
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// operation perform poorly, so NEON and ASIMD code that relies on shifts
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// or rotates often performs worse than C/C++ code. Also see
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// http://github.com/weidai11/cryptopp/issues/367.
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#define CRYPTOPP_SLOW_ARMV8_SHIFT 1
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// CRYPTOPP_DEBUG enables the library's CRYPTOPP_ASSERT. CRYPTOPP_ASSERT
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// raises a SIGTRAP (Unix) or calls DebugBreak() (Windows). CRYPTOPP_ASSERT
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// is only in effect when CRYPTOPP_DEBUG, DEBUG or _DEBUG is defined. Unlike
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// Posix assert, CRYPTOPP_ASSERT is not affected by NDEBUG (or failure to
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// define it).
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// Also see http://github.com/weidai11/cryptopp/issues/277, CVE-2016-7420
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#if (defined(DEBUG) || defined(_DEBUG)) && !defined(CRYPTOPP_DEBUG)
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# define CRYPTOPP_DEBUG 1
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#endif
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// File system code to use when creating GZIP archive.
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// http://www.gzip.org/format.txt
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#if !defined(GZIP_OS_CODE)
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# if defined(__macintosh__)
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# define GZIP_OS_CODE 7
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# elif defined(__unix__) || defined(__linux__)
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# define GZIP_OS_CODE 3
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# else
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# define GZIP_OS_CODE 0
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# endif
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#endif
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// Try this if your CPU has 256K internal cache or a slow multiply instruction
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// and you want a (possibly) faster IDEA implementation using log tables
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// #define IDEA_LARGECACHE
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// Define this if, for the linear congruential RNG, you want to use
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// the original constants as specified in S.K. Park and K.W. Miller's
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// CACM paper.
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// #define LCRNG_ORIGINAL_NUMBERS
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// Define this if you want Integer's operator<< to honor std::showbase (and
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// std::noshowbase). If defined, Integer will use a suffix of 'b', 'o', 'h'
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// or '.' (the last for decimal) when std::showbase is in effect. If
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// std::noshowbase is set, then the suffix is not added to the Integer. If
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// not defined, existing behavior is preserved and Integer will use a suffix
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// of 'b', 'o', 'h' or '.' (the last for decimal).
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// #define CRYPTOPP_USE_STD_SHOWBASE
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// Define this if you want to decouple AlgorithmParameters and Integer
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// The decoupling should make it easier for the linker to remove Integer
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// related code for those who do not need Integer, and avoid a potential
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// race during AssignIntToInteger pointer initialization. Also
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// see http://github.com/weidai11/cryptopp/issues/389.
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// #define CRYPTOPP_NO_ASSIGN_TO_INTEGER
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// Need GCC 4.6/Clang 1.7/Apple Clang 2.0 or above due to "GCC diagnostic {push|pop}"
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#if (CRYPTOPP_GCC_VERSION >= 40600) || (CRYPTOPP_LLVM_CLANG_VERSION >= 10700) || \
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(CRYPTOPP_APPLE_CLANG_VERSION >= 20000)
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#define CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE 1
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#endif
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// Portable way to suppress warnings.
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// Moved from misc.h due to circular depenedencies.
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#ifndef CRYPTOPP_UNUSED
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#define CRYPTOPP_UNUSED(x) ((void)(x))
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#endif
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// how to disable inlining
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#if defined(_MSC_VER)
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# define CRYPTOPP_NOINLINE_DOTDOTDOT
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# define CRYPTOPP_NOINLINE __declspec(noinline)
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#elif defined(__xlc__) || defined(__xlC__) || defined(__ibmxl__)
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# define CRYPTOPP_NOINLINE_DOTDOTDOT ...
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# define CRYPTOPP_NOINLINE __attribute__((noinline))
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#elif defined(__GNUC__)
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# define CRYPTOPP_NOINLINE_DOTDOTDOT
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# define CRYPTOPP_NOINLINE __attribute__((noinline))
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#else
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# define CRYPTOPP_NOINLINE_DOTDOTDOT ...
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# define CRYPTOPP_NOINLINE
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#endif
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// http://stackoverflow.com/a/13867690/608639
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#if defined(CRYPTOPP_CXX11_CONSTEXPR)
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# define CRYPTOPP_STATIC_CONSTEXPR static constexpr
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# define CRYPTOPP_CONSTEXPR constexpr
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#else
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# define CRYPTOPP_STATIC_CONSTEXPR static
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# define CRYPTOPP_CONSTEXPR
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#endif // CRYPTOPP_CXX11_CONSTEXPR
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#if defined(CRYPTOPP_DOXYGEN_PROCESSING)
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# define CRYPTOPP_CONSTANT(x) static const int x
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#elif defined(CRYPTOPP_CXX11_STRONG_ENUM)
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# define CRYPTOPP_CONSTANT(x) enum : int { x }
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#elif defined(CRYPTOPP_CXX11_CONSTEXPR)
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# define CRYPTOPP_CONSTANT(x) constexpr static int x
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#else
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# define CRYPTOPP_CONSTANT(x) static const int x
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#endif
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// Warnings
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#ifdef _MSC_VER
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// 4127: conditional expression is constant
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// 4512: assignment operator not generated
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// 4661: no suitable definition provided for explicit template instantiation request
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// 4910: '__declspec(dllexport)' and 'extern' are incompatible on an explicit instantiation
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# pragma warning(disable: 4127 4512 4661 4910)
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// _MSC_VER 1920 is VS2019
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# if _MSC_VER >= 1920
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// 5054: operator '|': deprecated between enumerations of different types
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# pragma warning(disable: 5054)
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# endif
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// Security related, possible defects
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// http://blogs.msdn.com/b/vcblog/archive/2010/12/14/off-by-default-compiler-warnings-in-visual-c.aspx
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# pragma warning(once: 4191 4242 4263 4264 4266 4302 4826 4905 4906 4928)
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#endif
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#ifdef __BORLANDC__
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// 8037: non-const function called for const object. needed to work around BCB2006 bug
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# pragma warn -8037
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#endif
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// [GCC Bug 53431] "C++ preprocessor ignores #pragma GCC diagnostic". Clang honors it.
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#if CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE
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# pragma GCC diagnostic ignored "-Wunknown-pragmas"
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# pragma GCC diagnostic ignored "-Wunused-function"
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#endif
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#endif // CRYPTOPP_CONFIG_MISC_H
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