Crypto++ 8.2
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config.h
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1// config.h - originally written and placed in the public domain by Wei Dai
2
3/// \file config.h
4/// \brief Library configuration file
5
6#ifndef CRYPTOPP_CONFIG_H
7#define CRYPTOPP_CONFIG_H
8
9// ***************** Important Settings ********************
10
11// define this if running on a big-endian CPU
12// big endian will be assumed if CRYPTOPP_LITTLE_ENDIAN is not non-0
13#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__)))
14# define CRYPTOPP_BIG_ENDIAN 1
15#endif
16
17// define this if running on a little-endian CPU
18// big endian will be assumed if CRYPTOPP_LITTLE_ENDIAN is not non-0
19#if !defined(CRYPTOPP_BIG_ENDIAN) && !defined(CRYPTOPP_LITTLE_ENDIAN)
20# define CRYPTOPP_LITTLE_ENDIAN 1
21#endif
22
23// Sanity checks. Some processors have more than big, little and bi-endian modes. PDP mode, where order results in "4312", should
24// raise red flags immediately. Additionally, mis-classified machines, like (previosuly) S/390, should raise red flags immediately.
25#if (CRYPTOPP_BIG_ENDIAN) && defined(__GNUC__) && defined(__BYTE_ORDER__) && (__BYTE_ORDER__ != __ORDER_BIG_ENDIAN__)
26# error "(CRYPTOPP_BIG_ENDIAN) is set, but __BYTE_ORDER__ is not __ORDER_BIG_ENDIAN__"
27#endif
28#if (CRYPTOPP_LITTLE_ENDIAN) && defined(__GNUC__) && defined(__BYTE_ORDER__) && (__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__)
29# error "(CRYPTOPP_LITTLE_ENDIAN) is set, but __BYTE_ORDER__ is not __ORDER_LITTLE_ENDIAN__"
30#endif
31
32// Define this if you want to disable all OS-dependent features,
33// such as sockets and OS-provided random number generators
34// #define NO_OS_DEPENDENCE
35
36// Define this to use features provided by Microsoft's CryptoAPI.
37// Currently the only feature used is Windows random number generation.
38// This macro will be ignored if NO_OS_DEPENDENCE is defined.
39// #define USE_MS_CRYPTOAPI
40
41// Define this to use features provided by Microsoft's CryptoNG API.
42// CryptoNG API is available in Vista and above and its cross platform,
43// including desktop apps and store apps. Currently the only feature
44// used is Windows random number generation.
45// This macro will be ignored if NO_OS_DEPENDENCE is defined.
46// #define USE_MS_CNGAPI
47
48// If the user did not make a choice, then select CryptoNG if
49// targeting Windows 8 or above.
50#if !defined(USE_MS_CRYPTOAPI) && !defined(USE_MS_CNGAPI)
51# if !defined(_USING_V110_SDK71_) && ((WINVER >= 0x0602 /*_WIN32_WINNT_WIN8*/) || (_WIN32_WINNT >= 0x0602 /*_WIN32_WINNT_WIN8*/))
52# define USE_MS_CNGAPI
53# else
54# define USE_MS_CRYPTOAPI
55# endif
56#endif
57
58// Define this to disable ASM, intrinsics and built-ins. The library will be
59// compiled using C++ only. The library code will not include SSE2 (and
60// above), NEON, Aarch32, Aarch64, or Altivec (and above). Note the compiler
61// may use higher ISAs depending on compiler options, but the library will not
62// explictly use the ISAs. When disabling ASM, it is best to do it from
63// config.h to ensure the library and all programs share the setting.
64// #define CRYPTOPP_DISABLE_ASM 1
65
66// https://github.com/weidai11/cryptopp/issues/719
67#if defined(__native_client__)
68# define CRYPTOPP_DISABLE_ASM 1
69#endif
70
71// Some Clang and SunCC cannot handle mixed asm with positional arguments,
72// where the body is Intel style with no prefix and the templates are
73// AT&T style. Define this is the Makefile misdetects the configuration.
74// Also see https://bugs.llvm.org/show_bug.cgi?id=39895 .
75// #define CRYPTOPP_DISABLE_MIXED_ASM 1
76
77// Define CRYPTOPP_NO_CXX11 to avoid C++11 related features shown at the
78// end of this file. Some compilers and standard C++ headers advertise C++11
79// but they are really just C++03 with some additional C++11 headers and
80// non-conforming classes. You might also consider `-std=c++03` or
81// `-std=gnu++03`, but they are required options when building the library
82// and all programs. CRYPTOPP_NO_CXX11 is probably easier to manage but it may
83// cause -Wterminate warnings under GCC. MSVC++ has a similar warning.
84// Also see https://github.com/weidai11/cryptopp/issues/529
85// #define CRYPTOPP_NO_CXX11 1
86
87// Define CRYPTOPP_NO_CXX17 to avoid C++17 related features shown at the end of
88// this file. At the moment it should only affect std::uncaught_exceptions.
89// #define CRYPTOPP_NO_CXX17 1
90
91// CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS is no longer honored. It
92// was removed at https://github.com/weidai11/cryptopp/issues/682
93// #define CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS 1
94
95// ***************** Less Important Settings ***************
96
97// Library version macro. Since this macro is in a header, it reflects
98// the version of the library the headers came from. It is not
99// necessarily the version of the library built as a shared object if
100// versions are inadvertently mixed and matched.
101#define CRYPTOPP_MAJOR 8
102#define CRYPTOPP_MINOR 2
103#define CRYPTOPP_REVISION 0
104#define CRYPTOPP_VERSION 820
105
106// Define this if you want to set a prefix for TestData/ and TestVectors/
107// Be sure to add the trailing slash since its simple concatenation.
108// After https://github.com/weidai11/cryptopp/issues/760 the library
109// should find the test vectors and data without much effort. It
110// will search in "./" and "$ORIGIN/../share/cryptopp" automatically.
111#ifndef CRYPTOPP_DATA_DIR
112# define CRYPTOPP_DATA_DIR ""
113#endif
114
115// Define this to disable the test suite from searching for test
116// vectors and data in "./" and "$ORIGIN/../share/cryptopp". The
117// library will still search in CRYPTOPP_DATA_DIR, regardless.
118// Some distros may want to disable this feature. Also see
119// https://github.com/weidai11/cryptopp/issues/760
120// #ifndef CRYPTOPP_DISABLE_DATA_DIR_SEARCH
121// # define CRYPTOPP_DISABLE_DATA_DIR_SEARCH
122// #endif
123
124// Define this if you want or need the library's memcpy_s and memmove_s.
125// See http://github.com/weidai11/cryptopp/issues/28.
126// #if !defined(CRYPTOPP_WANT_SECURE_LIB)
127// # define CRYPTOPP_WANT_SECURE_LIB
128// #endif
129
130// File system code to write to GZIP archive.
131// http://www.gzip.org/format.txt
132#if !defined(GZIP_OS_CODE)
133# if defined(__macintosh__)
134# define GZIP_OS_CODE 7
135# elif defined(__unix__) || defined(__linux__)
136# define GZIP_OS_CODE 3
137# else
138# define GZIP_OS_CODE 0
139# endif
140#endif
141
142// Try this if your CPU has 256K internal cache or a slow multiply instruction
143// and you want a (possibly) faster IDEA implementation using log tables
144// #define IDEA_LARGECACHE
145
146// Define this if, for the linear congruential RNG, you want to use
147// the original constants as specified in S.K. Park and K.W. Miller's
148// CACM paper.
149// #define LCRNG_ORIGINAL_NUMBERS
150
151// Define this if you want Integer's operator<< to honor std::showbase (and
152// std::noshowbase). If defined, Integer will use a suffix of 'b', 'o', 'h'
153// or '.' (the last for decimal) when std::showbase is in effect. If
154// std::noshowbase is set, then the suffix is not added to the Integer. If
155// not defined, existing behavior is preserved and Integer will use a suffix
156// of 'b', 'o', 'h' or '.' (the last for decimal).
157// #define CRYPTOPP_USE_STD_SHOWBASE
158
159// Define this if ARMv8 shifts are slow. ARM Cortex-A53 and Cortex-A57 shift
160// operation perform poorly, so NEON and ASIMD code that relies on shifts
161// or rotates often performs worse than C/C++ code. Also see
162// http://github.com/weidai11/cryptopp/issues/367.
163#define CRYPTOPP_SLOW_ARMV8_SHIFT 1
164
165// Define this if you want to decouple AlgorithmParameters and Integer
166// The decoupling should make it easier for the linker to remove Integer
167// related code for those who do not need Integer, and avoid a potential
168// race during AssignIntToInteger pointer initialization. Also
169// see http://github.com/weidai11/cryptopp/issues/389.
170// #define CRYPTOPP_NO_ASSIGN_TO_INTEGER
171
172// set the name of Rijndael cipher, was "Rijndael" before version 5.3
173#define CRYPTOPP_RIJNDAEL_NAME "AES"
174
175// CRYPTOPP_DEBUG enables the library's CRYPTOPP_ASSERT. CRYPTOPP_ASSERT
176// raises a SIGTRAP (Unix) or calls DebugBreak() (Windows). CRYPTOPP_ASSERT
177// is only in effect when CRYPTOPP_DEBUG, DEBUG or _DEBUG is defined. Unlike
178// Posix assert, CRYPTOPP_ASSERT is not affected by NDEBUG (or failure to
179// define it).
180// Also see http://github.com/weidai11/cryptopp/issues/277, CVE-2016-7420
181#if (defined(DEBUG) || defined(_DEBUG)) && !defined(CRYPTOPP_DEBUG)
182# define CRYPTOPP_DEBUG 1
183#endif
184
185// ***************** Important Settings Again ********************
186// But the defaults should be ok.
187
188// namespace support is now required
189#ifdef NO_NAMESPACE
190# error namespace support is now required
191#endif
192
193#ifdef CRYPTOPP_DOXYGEN_PROCESSING
194// Document the namespce exists. Put it here before CryptoPP is undefined below.
195/// \namespace CryptoPP
196/// \brief Crypto++ library namespace
197/// \details Nearly all classes are located in the CryptoPP namespace. Within
198/// the namespace, there are two additional namespaces.
199/// <ul>
200/// <li>Name - namespace for names used with \p NameValuePairs and documented in argnames.h
201/// <li>NaCl - namespace for NaCl library functions like crypto_box, crypto_box_open, crypto_sign, and crypto_sign_open
202/// <li>Donna - namespace for curve25519 library operations. The name was selected due to use of Adam Langley's curve25519-donna.
203/// <li>Test - namespace for testing and benchmarks classes
204/// <li>Weak - namespace for weak and wounded algorithms, like ARC4, MD5 and Pananma
205/// </ul>
206namespace CryptoPP { }
207// Bring in the symbols found in the weak namespace; and fold Weak1 into Weak
208# define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1
209# define Weak1 Weak
210// Avoid putting "CryptoPP::" in front of everything in Doxygen output
211# define CryptoPP
212# define NAMESPACE_BEGIN(x)
213# define NAMESPACE_END
214// Get Doxygen to generate better documentation for these typedefs
215# define DOCUMENTED_TYPEDEF(x, y) class y : public x {};
216// Make "protected" "private" so the functions and members are not documented
217# define protected private
218#else
219# define NAMESPACE_BEGIN(x) namespace x {
220# define NAMESPACE_END }
221# define DOCUMENTED_TYPEDEF(x, y) typedef x y;
222#endif
223#define ANONYMOUS_NAMESPACE_BEGIN namespace {
224#define ANONYMOUS_NAMESPACE_END }
225#define USING_NAMESPACE(x) using namespace x;
226#define DOCUMENTED_NAMESPACE_BEGIN(x) namespace x {
227#define DOCUMENTED_NAMESPACE_END }
228
229// Originally in global namespace to avoid ambiguity with other byte typedefs.
230// Moved to Crypto++ namespace due to C++17, std::byte and potential compile problems. Also see
231// http://www.cryptopp.com/wiki/std::byte and http://github.com/weidai11/cryptopp/issues/442
232// typedef unsigned char byte;
233#define CRYPTOPP_NO_GLOBAL_BYTE 1
234
235NAMESPACE_BEGIN(CryptoPP)
236
237// Signed words added at Issue 609 for early versions of and Visual Studio and
238// the NaCl gear. Also see https://github.com/weidai11/cryptopp/issues/609.
239
240typedef unsigned char byte;
241typedef unsigned short word16;
242typedef unsigned int word32;
243
244typedef signed char sbyte;
245typedef signed short sword16;
246typedef signed int sword32;
247
248#if defined(_MSC_VER) || defined(__BORLANDC__)
249 typedef signed __int64 sword64;
250 typedef unsigned __int64 word64;
251 #define SW64LIT(x) x##i64
252 #define W64LIT(x) x##ui64
253#elif (_LP64 || __LP64__)
254 typedef signed long sword64;
255 typedef unsigned long word64;
256 #define SW64LIT(x) x##L
257 #define W64LIT(x) x##UL
258#else
259 typedef signed long long sword64;
260 typedef unsigned long long word64;
261 #define SW64LIT(x) x##LL
262 #define W64LIT(x) x##ULL
263#endif
264
265// define large word type, used for file offsets and such
266typedef word64 lword;
267const lword LWORD_MAX = W64LIT(0xffffffffffffffff);
268
269// It is OK to remove the hard stop below, but you are on your own.
270// After building the library be sure to run self tests described
271// https://www.cryptopp.com/wiki/Release_Process#Self_Tests
272// Some relevant bug reports can be found at:
273// * Clang: http://github.com/weidai11/cryptopp/issues/147
274// * Native Client: https://github.com/weidai11/cryptopp/issues/719
275#if (defined(_MSC_VER) && defined(__clang__))
276# error: "Unsupported configuration"
277#endif
278
279#ifdef __GNUC__
280 #define CRYPTOPP_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
281#endif
282
283#if defined(__xlc__) || defined(__xlC__)
284 #define CRYPTOPP_XLC_VERSION ((__xlC__ / 256) * 10000 + (__xlC__ % 256) * 100)
285#endif
286
287// Apple and LLVM's Clang. Apple Clang version 7.0 roughly equals LLVM Clang version 3.7
288#if defined(__clang__) && defined(__apple_build_version__)
289 #define CRYPTOPP_APPLE_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
290#elif defined(__clang__)
291 #define CRYPTOPP_LLVM_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
292#endif
293
294#ifdef _MSC_VER
295 #define CRYPTOPP_MSC_VERSION (_MSC_VER)
296#endif
297
298// Need GCC 4.6/Clang 1.7/Apple Clang 2.0 or above due to "GCC diagnostic {push|pop}"
299#if (CRYPTOPP_GCC_VERSION >= 40600) || (CRYPTOPP_LLVM_CLANG_VERSION >= 10700) || (CRYPTOPP_APPLE_CLANG_VERSION >= 20000)
300 #define CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE 1
301#endif
302
303// define hword, word, and dword. these are used for multiprecision integer arithmetic
304// Intel compiler won't have _umul128 until version 10.0. See http://softwarecommunity.intel.com/isn/Community/en-US/forums/thread/30231625.aspx
305#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__))
306 typedef word32 hword;
307 typedef word64 word;
308#else
309 #define CRYPTOPP_NATIVE_DWORD_AVAILABLE 1
310 #if defined(__alpha__) || defined(__ia64__) || defined(_ARCH_PPC64) || defined(__x86_64__) || defined(__mips64) || defined(__sparc64__)
311 #if ((CRYPTOPP_GCC_VERSION >= 30400) || (CRYPTOPP_LLVM_CLANG_VERSION >= 30000) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40300)) && (__SIZEOF_INT128__ >= 16)
312 // GCC 4.0.1 on MacOS X is missing __umodti3 and __udivti3
313 // GCC 4.8.3 and bad uint128_t ops on PPC64/POWER7 (Issue 421)
314 // mode(TI) division broken on amd64 with GCC earlier than GCC 3.4
315 typedef word32 hword;
316 typedef word64 word;
317 typedef __uint128_t dword;
318 typedef __uint128_t word128;
319 #define CRYPTOPP_WORD128_AVAILABLE 1
320 #else
321 // 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
322 typedef word16 hword;
323 typedef word32 word;
324 typedef word64 dword;
325 #endif
326 #else
327 // being here means the native register size is probably 32 bits or less
328 #define CRYPTOPP_BOOL_SLOW_WORD64 1
329 typedef word16 hword;
330 typedef word32 word;
331 typedef word64 dword;
332 #endif
333#endif
334#ifndef CRYPTOPP_BOOL_SLOW_WORD64
335 #define CRYPTOPP_BOOL_SLOW_WORD64 0
336#endif
337
338const unsigned int WORD_SIZE = sizeof(word);
339const unsigned int WORD_BITS = WORD_SIZE * 8;
340
341NAMESPACE_END
342
343#ifndef CRYPTOPP_L1_CACHE_LINE_SIZE
344 // This should be a lower bound on the L1 cache line size. It's used for defense against timing attacks.
345 // Also see http://stackoverflow.com/questions/794632/programmatically-get-the-cache-line-size.
346 #if defined(_M_X64) || defined(__x86_64__) || defined(__arm64__) || defined(__aarch64__) || defined(__powerpc64__) || defined(_ARCH_PPC64)
347 #define CRYPTOPP_L1_CACHE_LINE_SIZE 64
348 #else
349 // L1 cache line size is 32 on Pentium III and earlier
350 #define CRYPTOPP_L1_CACHE_LINE_SIZE 32
351 #endif
352#endif
353
354// Sun Studio Express 3 (December 2006) provides GCC-style attributes.
355// IBM XL C/C++ alignment modifier per Optimization Guide, pp. 19-20.
356// __IBM_ATTRIBUTES per XLC 12.1 AIX Compiler Manual, p. 473.
357// CRYPTOPP_ALIGN_DATA may not be reliable on AIX.
358#ifndef CRYPTOPP_ALIGN_DATA
359 #if defined(_MSC_VER)
360 #define CRYPTOPP_ALIGN_DATA(x) __declspec(align(x))
361 #elif defined(__GNUC__) || (__SUNPRO_CC >= 0x5100)
362 #define CRYPTOPP_ALIGN_DATA(x) __attribute__((aligned(x)))
363 #elif defined(__xlc__) || defined(__xlC__)
364 #define CRYPTOPP_ALIGN_DATA(x) __attribute__((aligned(x)))
365 #else
366 #define CRYPTOPP_ALIGN_DATA(x)
367 #endif
368#endif
369
370// The section attribute attempts to initialize CPU flags to avoid Valgrind findings above -O1
371#if ((defined(__MACH__) && defined(__APPLE__)) && ((CRYPTOPP_LLVM_CLANG_VERSION >= 30600) || (CRYPTOPP_APPLE_CLANG_VERSION >= 70100) || (CRYPTOPP_GCC_VERSION >= 40300)))
372 #define CRYPTOPP_SECTION_INIT __attribute__((section ("__DATA,__data")))
373#elif (defined(__ELF__) && (CRYPTOPP_GCC_VERSION >= 40300))
374 #define CRYPTOPP_SECTION_INIT __attribute__((section ("nocommon")))
375#elif defined(__ELF__) && (defined(__xlC__) || defined(__ibmxl__))
376 #define CRYPTOPP_SECTION_INIT __attribute__((section ("nocommon")))
377#else
378 #define CRYPTOPP_SECTION_INIT
379#endif
380
381#if defined(_MSC_VER) || defined(__fastcall)
382 #define CRYPTOPP_FASTCALL __fastcall
383#else
384 #define CRYPTOPP_FASTCALL
385#endif
386
387#ifdef _MSC_VER
388#define CRYPTOPP_NO_VTABLE __declspec(novtable)
389#else
390#define CRYPTOPP_NO_VTABLE
391#endif
392
393#ifdef _MSC_VER
394 // 4127: conditional expression is constant
395 // 4512: assignment operator not generated
396 // 4661: no suitable definition provided for explicit template instantiation request
397 // 4910: '__declspec(dllexport)' and 'extern' are incompatible on an explicit instantiation
398# pragma warning(disable: 4127 4512 4661 4910)
399 // Security related, possible defects
400 // http://blogs.msdn.com/b/vcblog/archive/2010/12/14/off-by-default-compiler-warnings-in-visual-c.aspx
401# pragma warning(once: 4191 4242 4263 4264 4266 4302 4826 4905 4906 4928)
402#endif
403
404#ifdef __BORLANDC__
405// 8037: non-const function called for const object. needed to work around BCB2006 bug
406# pragma warn -8037
407#endif
408
409// [GCC Bug 53431] "C++ preprocessor ignores #pragma GCC diagnostic". Clang honors it.
410#if CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE
411# pragma GCC diagnostic ignored "-Wunknown-pragmas"
412# pragma GCC diagnostic ignored "-Wunused-function"
413#endif
414
415// You may need to force include a C++ header on Android when using STLPort to ensure
416// _STLPORT_VERSION is defined: CXXFLAGS="-DNDEBUG -g2 -O2 -std=c++11 -include iosfwd"
417// TODO: Figure out C++17 and lack of std::uncaught_exception
418#if (defined(_MSC_VER) && _MSC_VER <= 1300) || defined(__MWERKS__) || (defined(_STLPORT_VERSION) && ((_STLPORT_VERSION < 0x450) || defined(_STLP_NO_UNCAUGHT_EXCEPT_SUPPORT)))
419#define CRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION
420#endif
421
422#ifndef CRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION
423#define CRYPTOPP_UNCAUGHT_EXCEPTION_AVAILABLE
424#endif
425
426// ***************** Platform and CPU features ********************
427
428// Linux provides X32, which is 32-bit integers, longs and pointers on x86_64
429// using the full x86_64 register set. Detect via __ILP32__
430// (http://wiki.debian.org/X32Port). However, __ILP32__ shows up in more places
431// than the System V ABI specs calls out, like on some Solaris installations
432// and just about any 32-bit system with Clang.
433#if (defined(__ILP32__) || defined(_ILP32)) && defined(__x86_64__)
434 #define CRYPTOPP_BOOL_X32 1
435#endif
436
437// see http://predef.sourceforge.net/prearch.html
438#if (defined(_M_IX86) || defined(__i386__) || defined(__i386) || defined(_X86_) || defined(__I86__) || defined(__INTEL__)) && !CRYPTOPP_BOOL_X32
439 #define CRYPTOPP_BOOL_X86 1
440#endif
441
442#if (defined(_M_X64) || defined(__x86_64__)) && !CRYPTOPP_BOOL_X32
443 #define CRYPTOPP_BOOL_X64 1
444#endif
445
446// Undo the ASM related defines due to X32.
447#if CRYPTOPP_BOOL_X32
448# undef CRYPTOPP_BOOL_X64
449# undef CRYPTOPP_X64_ASM_AVAILABLE
450# undef CRYPTOPP_X64_MASM_AVAILABLE
451#endif
452
453// Microsoft added ARM64 define December 2017.
454#if defined(__arm64__) || defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
455 #define CRYPTOPP_BOOL_ARMV8 1
456#elif defined(__arm__) || defined(_M_ARM)
457 #define CRYPTOPP_BOOL_ARM32 1
458#endif
459
460// AltiVec and Power8 crypto
461#if defined(__ppc64__) || defined(__powerpc64__) || defined(_ARCH_PPC64)
462 #define CRYPTOPP_BOOL_PPC64 1
463#elif defined(__powerpc__) || defined(_ARCH_PPC)
464 #define CRYPTOPP_BOOL_PPC32 1
465#endif
466
467// And MIPS. TODO: finish these defines
468#if defined(__mips64__)
469 #define CRYPTOPP_BOOL_MIPS64 1
470#elif defined(__mips__)
471 #define CRYPTOPP_BOOL_MIPS32 1
472#endif
473
474#if defined(_MSC_VER) || defined(__BORLANDC__)
475# define CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY 1
476#else
477# define CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY 1
478#endif
479
480// ***************** IA32 CPU features ********************
481
482#if (CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64)
483
484// Apple Clang prior to 5.0 cannot handle SSE2
485#if defined(CRYPTOPP_APPLE_CLANG_VERSION) && (CRYPTOPP_APPLE_CLANG_VERSION < 50000)
486# define CRYPTOPP_DISABLE_ASM 1
487#endif
488
489// Sun Studio 12.1 provides GCC inline assembly
490// http://blogs.oracle.com/x86be/entry/gcc_style_asm_inlining_support
491#if !defined(CRYPTOPP_DISABLE_ASM) && defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x5100)
492# define CRYPTOPP_DISABLE_ASM 1
493#endif
494
495#if !defined(CRYPTOPP_DISABLE_ASM) && ((defined(_MSC_VER) && defined(_M_IX86)) || (defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))))
496 // C++Builder 2010 does not allow "call label" where label is defined within inline assembly
497 #define CRYPTOPP_X86_ASM_AVAILABLE 1
498
499 #if !defined(CRYPTOPP_DISABLE_SSE2) && (defined(_MSC_VER) || CRYPTOPP_GCC_VERSION >= 30300 || defined(__SSE2__))
500 #define CRYPTOPP_SSE2_ASM_AVAILABLE 1
501 #endif
502
503 #if !defined(CRYPTOPP_DISABLE_SSSE3) && (_MSC_VER >= 1500 || CRYPTOPP_GCC_VERSION >= 40300 || defined(__SSSE3__))
504 #define CRYPTOPP_SSSE3_ASM_AVAILABLE 1
505 #endif
506#endif
507
508#if !defined(CRYPTOPP_DISABLE_ASM) && defined(_MSC_VER) && defined(_M_X64)
509 #define CRYPTOPP_X64_MASM_AVAILABLE 1
510#endif
511
512#if !defined(CRYPTOPP_DISABLE_ASM) && defined(__GNUC__) && defined(__x86_64__)
513 #define CRYPTOPP_X64_ASM_AVAILABLE 1
514#endif
515
516// 32-bit SunCC does not enable SSE2 by default.
517#if !defined(CRYPTOPP_DISABLE_ASM) && (defined(_MSC_VER) || CRYPTOPP_GCC_VERSION >= 30300 || defined(__SSE2__) || (__SUNPRO_CC >= 0x5100))
518 #define CRYPTOPP_SSE2_INTRIN_AVAILABLE 1
519#endif
520
521#if !defined(CRYPTOPP_DISABLE_ASM) && !defined(CRYPTOPP_DISABLE_SSSE3)
522# if defined(__SSSE3__) || (_MSC_VER >= 1500) || \
523 (CRYPTOPP_GCC_VERSION >= 40300) || (__INTEL_COMPILER >= 1000) || (__SUNPRO_CC >= 0x5110) || \
524 (CRYPTOPP_LLVM_CLANG_VERSION >= 20300) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40000)
525 #define CRYPTOPP_SSSE3_AVAILABLE 1
526# endif
527#endif
528
529// Intrinsics availible in GCC 4.3 (http://gcc.gnu.org/gcc-4.3/changes.html) and
530// MSVC 2008 (http://msdn.microsoft.com/en-us/library/bb892950%28v=vs.90%29.aspx)
531// SunCC could generate SSE4 at 12.1, but the intrinsics are missing until 12.4.
532#if !defined(CRYPTOPP_DISABLE_SSE4) && defined(CRYPTOPP_SSSE3_AVAILABLE) && \
533 (defined(__SSE4_1__) || (CRYPTOPP_MSC_VERSION >= 1500) || \
534 (CRYPTOPP_GCC_VERSION >= 40300) || (__INTEL_COMPILER >= 1000) || (__SUNPRO_CC >= 0x5110) || \
535 (CRYPTOPP_LLVM_CLANG_VERSION >= 20300) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40000))
536 #define CRYPTOPP_SSE41_AVAILABLE 1
537#endif
538
539#if !defined(CRYPTOPP_DISABLE_SSE4) && defined(CRYPTOPP_SSSE3_AVAILABLE) && \
540 (defined(__SSE4_2__) || (CRYPTOPP_MSC_VERSION >= 1500) || (__SUNPRO_CC >= 0x5110) || \
541 (CRYPTOPP_GCC_VERSION >= 40300) || (__INTEL_COMPILER >= 1000) || \
542 (CRYPTOPP_LLVM_CLANG_VERSION >= 20300) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40000))
543 #define CRYPTOPP_SSE42_AVAILABLE 1
544#endif
545
546// Couple to CRYPTOPP_DISABLE_AESNI, but use CRYPTOPP_CLMUL_AVAILABLE so we can selectively
547// disable for misbehaving platofrms and compilers, like Solaris or some Clang.
548#if defined(CRYPTOPP_DISABLE_AESNI)
549 #define CRYPTOPP_DISABLE_CLMUL 1
550#endif
551
552// Requires Sun Studio 12.3 (SunCC 0x5120) in theory.
553#if !defined(CRYPTOPP_DISABLE_ASM) && !defined(CRYPTOPP_DISABLE_CLMUL) && defined(CRYPTOPP_SSE42_AVAILABLE) && \
554 (defined(__PCLMUL__) || (_MSC_FULL_VER >= 150030729) || (__SUNPRO_CC >= 0x5120) || \
555 (CRYPTOPP_GCC_VERSION >= 40300) || (__INTEL_COMPILER >= 1110) || \
556 (CRYPTOPP_LLVM_CLANG_VERSION >= 30200) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40300))
557 #define CRYPTOPP_CLMUL_AVAILABLE 1
558#endif
559
560// Requires Sun Studio 12.3 (SunCC 0x5120)
561#if !defined(CRYPTOPP_DISABLE_ASM) && !defined(CRYPTOPP_DISABLE_AESNI) && defined(CRYPTOPP_SSE42_AVAILABLE) && \
562 (defined(__AES__) || (_MSC_FULL_VER >= 150030729) || (__SUNPRO_CC >= 0x5120) || \
563 (CRYPTOPP_GCC_VERSION >= 40300) || (__INTEL_COMPILER >= 1110) || \
564 (CRYPTOPP_LLVM_CLANG_VERSION >= 30200) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40300))
565 #define CRYPTOPP_AESNI_AVAILABLE 1
566#endif
567
568// Requires Binutils 2.24
569#if !defined(CRYPTOPP_DISABLE_AVX) && defined(CRYPTOPP_SSE42_AVAILABLE) && \
570 (defined(__AVX2__) || (CRYPTOPP_MSC_VERSION >= 1800) || (__SUNPRO_CC >= 0x5130) || \
571 (CRYPTOPP_GCC_VERSION >= 40700) || (__INTEL_COMPILER >= 1400) || \
572 (CRYPTOPP_LLVM_CLANG_VERSION >= 30100) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40600))
573#define CRYPTOPP_AVX_AVAILABLE 1
574#endif
575
576// Requires Binutils 2.24
577#if !defined(CRYPTOPP_DISABLE_AVX2) && defined(CRYPTOPP_AVX_AVAILABLE) && \
578 (defined(__AVX2__) || (CRYPTOPP_MSC_VERSION >= 1800) || (__SUNPRO_CC >= 0x5130) || \
579 (CRYPTOPP_GCC_VERSION >= 40900) || (__INTEL_COMPILER >= 1400) || \
580 (CRYPTOPP_LLVM_CLANG_VERSION >= 30100) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40600))
581#define CRYPTOPP_AVX2_AVAILABLE 1
582#endif
583
584// Guessing at SHA for SunCC. Its not in Sun Studio 12.6. Also see
585// http://stackoverflow.com/questions/45872180/which-xarch-for-sha-extensions-on-solaris
586#if !defined(CRYPTOPP_DISABLE_ASM) && !defined(CRYPTOPP_DISABLE_SHANI) && defined(CRYPTOPP_SSE42_AVAILABLE) && \
587 (defined(__SHA__) || (CRYPTOPP_MSC_VERSION >= 1900) || (__SUNPRO_CC >= 0x5160) || \
588 (CRYPTOPP_GCC_VERSION >= 40900) || (__INTEL_COMPILER >= 1300) || \
589 (CRYPTOPP_LLVM_CLANG_VERSION >= 30400) || (CRYPTOPP_APPLE_CLANG_VERSION >= 50100))
590 #define CRYPTOPP_SHANI_AVAILABLE 1
591#endif
592
593// Fixup Android and SSE, Crypto. It may be enabled based on compiler version.
594#if (defined(__ANDROID__) || defined(ANDROID))
595# if (CRYPTOPP_BOOL_X86)
596# undef CRYPTOPP_SSE41_AVAILABLE
597# undef CRYPTOPP_SSE42_AVAILABLE
598# undef CRYPTOPP_CLMUL_AVAILABLE
599# undef CRYPTOPP_AESNI_AVAILABLE
600# undef CRYPTOPP_SHANI_AVAILABLE
601# endif
602# if (CRYPTOPP_BOOL_X64)
603# undef CRYPTOPP_CLMUL_AVAILABLE
604# undef CRYPTOPP_AESNI_AVAILABLE
605# undef CRYPTOPP_SHANI_AVAILABLE
606# endif
607#endif
608
609// Fixup for SunCC 12.1-12.4. Bad code generation in AES_Encrypt and friends.
610#if defined(__SUNPRO_CC) && (__SUNPRO_CC <= 0x5130)
611# undef CRYPTOPP_AESNI_AVAILABLE
612#endif
613
614// Fixup for SunCC 12.1-12.6. Compiler crash on GCM_Reduce_CLMUL and friends.
615// http://github.com/weidai11/cryptopp/issues/226
616#if defined(__SUNPRO_CC) && (__SUNPRO_CC <= 0x5150)
617# undef CRYPTOPP_CLMUL_AVAILABLE
618#endif
619
620#endif // X86, X32, X64
621
622// ***************** ARM CPU features ********************
623
624#if (CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARMV8)
625
626// We don't have an ARM big endian test rig. Disable
627// ARM-BE ASM and instrinsics until we can test it.
628#if (CRYPTOPP_BIG_ENDIAN)
629# define CRYPTOPP_DISABLE_ASM 1
630#endif
631
632// Requires ARMv7 and ACLE 1.0. -march=armv7-a or above must be present
633// Requires GCC 4.3, Clang 2.8 or Visual Studio 2012
634// Do not use APPLE_CLANG_VERSION; use __ARM_FEATURE_XXX instead.
635#if !defined(CRYPTOPP_ARM_NEON_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ASM)
636# if defined(__arm__) || defined(__ARM_NEON) || defined(__ARM_FEATURE_NEON) || defined(_M_ARM)
637# if (CRYPTOPP_GCC_VERSION >= 40300) || (CRYPTOPP_CLANG_VERSION >= 20800) || \
638 (CRYPTOPP_MSC_VERSION >= 1700)
639# define CRYPTOPP_ARM_NEON_AVAILABLE 1
640# endif // Compilers
641# endif // Platforms
642#endif
643
644// ARMv8 and ASIMD. -march=armv8-a or above must be present
645// Requires GCC 4.8, Clang 3.3 or Visual Studio 2017
646// Do not use APPLE_CLANG_VERSION; use __ARM_FEATURE_XXX instead.
647#if !defined(CRYPTOPP_ARM_ASIMD_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ASM)
648# if defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
649# if defined(__ARM_NEON) || defined(__ARM_FEATURE_NEON) || defined(__ARM_FEATURE_ASIMD) || \
650 (CRYPTOPP_GCC_VERSION >= 40800) || (CRYPTOPP_CLANG_VERSION >= 30300) || \
651 (CRYPTOPP_MSC_VERSION >= 1916)
652# define CRYPTOPP_ARM_NEON_AVAILABLE 1
653# define CRYPTOPP_ARM_ASIMD_AVAILABLE 1
654# endif // Compilers
655# endif // Platforms
656#endif
657
658// ARMv8 and ASIMD. -march=armv8-a+crc or above must be present
659// Requires GCC 4.8, Clang 3.3 or Visual Studio 2017
660// Do not use APPLE_CLANG_VERSION; use __ARM_FEATURE_XXX instead.
661#if !defined(CRYPTOPP_ARM_CRC32_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ASM)
662# if defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
663# if defined(__ARM_FEATURE_CRC32) || (CRYPTOPP_GCC_VERSION >= 40800) || \
664 (CRYPTOPP_CLANG_VERSION >= 30300) || (CRYPTOPP_MSC_VERSION >= 1916)
665# define CRYPTOPP_ARM_CRC32_AVAILABLE 1
666# endif // Compilers
667# endif // Platforms
668#endif
669
670// ARMv8 and ASIMD. -march=armv8-a+crypto or above must be present
671// Requires GCC 4.8, Clang 3.3 or Visual Studio 2017
672// Do not use APPLE_CLANG_VERSION; use __ARM_FEATURE_XXX instead.
673#if !defined(CRYPTOPP_ARM_PMULL_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ASM)
674# if defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
675# if defined(__ARM_FEATURE_CRYPTO) || (CRYPTOPP_GCC_VERSION >= 40800) || \
676 (CRYPTOPP_CLANG_VERSION >= 30300) || (CRYPTOPP_MSC_VERSION >= 1916)
677# define CRYPTOPP_ARM_PMULL_AVAILABLE 1
678# endif // Compilers
679# endif // Platforms
680#endif
681
682// ARMv8 and AES. -march=armv8-a+crypto or above must be present
683// Requires GCC 4.8, Clang 3.3 or Visual Studio 2017
684// Do not use APPLE_CLANG_VERSION; use __ARM_FEATURE_XXX instead.
685#if !defined(CRYPTOPP_ARM_AES_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ASM)
686# if defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
687# if defined(__ARM_FEATURE_CRYPTO) || (CRYPTOPP_GCC_VERSION >= 40800) || \
688 (CRYPTOPP_CLANG_VERSION >= 30300) || (CRYPTOPP_MSC_VERSION >= 1910)
689# define CRYPTOPP_ARM_AES_AVAILABLE 1
690# endif // Compilers
691# endif // Platforms
692#endif
693
694// ARMv8 and SHA-1, SHA-256. -march=armv8-a+crypto or above must be present
695// Requires GCC 4.8, Clang 3.3 or Visual Studio 2017
696// Do not use APPLE_CLANG_VERSION; use __ARM_FEATURE_XXX instead.
697#if !defined(CRYPTOPP_ARM_SHA_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ASM)
698# if defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
699# if defined(__ARM_FEATURE_CRYPTO) || (CRYPTOPP_GCC_VERSION >= 40800) || \
700 (CRYPTOPP_CLANG_VERSION >= 30300) || (CRYPTOPP_MSC_VERSION >= 1916)
701# define CRYPTOPP_ARM_SHA1_AVAILABLE 1
702# define CRYPTOPP_ARM_SHA2_AVAILABLE 1
703# endif // Compilers
704# endif // Platforms
705#endif
706
707// ARMv8 and SHA-512, SHA-3. -march=armv8.4-a+crypto or above must be present
708// Requires GCC 8.0, Clang 6.0 or Visual Studio 2021???
709// Do not use APPLE_CLANG_VERSION; use __ARM_FEATURE_XXX instead.
710#if !defined(CRYPTOPP_ARM_SHA_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ASM)
711# if defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
712# if defined(__ARM_FEATURE_SHA3) || (CRYPTOPP_GCC_VERSION >= 80000) || \
713 (CRYPTOPP_MSC_VERSION >= 5000)
714# define CRYPTOPP_ARM_SHA512_AVAILABLE 1
715# define CRYPTOPP_ARM_SHA3_AVAILABLE 1
716# endif // Compilers
717# endif // Platforms
718#endif
719
720// ARMv8 and SM3, SM4. -march=armv8.4-a+crypto or above must be present
721// Requires GCC 8.0, Clang 6.0 or Visual Studio 2021???
722// Do not use APPLE_CLANG_VERSION; use __ARM_FEATURE_XXX instead.
723#if !defined(CRYPTOPP_ARM_SM3_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ASM)
724# if defined(__aarch32__) || defined(__aarch64__) || defined(_M_ARM64)
725# if defined(__ARM_FEATURE_SM3) || (CRYPTOPP_GCC_VERSION >= 80000) || \
726 (CRYPTOPP_MSC_VERSION >= 5000)
727# define CRYPTOPP_ARM_SM3_AVAILABLE 1
728# define CRYPTOPP_ARM_SM4_AVAILABLE 1
729# endif // Compilers
730# endif // Platforms
731#endif
732
733// Limit the <arm_acle.h> include.
734#if !defined(CRYPTOPP_ARM_ACLE_AVAILABLE)
735# if defined(__aarch32__) || defined(__aarch64__) || (__ARM_ARCH >= 8) || defined(__ARM_ACLE)
736# if !defined(__ANDROID__) && !defined(ANDROID) && !defined(__APPLE__)
737# define CRYPTOPP_ARM_ACLE_AVAILABLE 1
738# endif
739# endif
740#endif
741
742// Fixup Apple Clang and PMULL. Apple defines __ARM_FEATURE_CRYPTO for Xcode 6
743// but does not provide PMULL. TODO: determine when PMULL is available.
744#if defined(CRYPTOPP_APPLE_CLANG_VERSION) && (CRYPTOPP_APPLE_CLANG_VERSION < 70000)
745# undef CRYPTOPP_ARM_PMULL_AVAILABLE
746#endif
747
748// Fixup Android and CRC32. It may be enabled based on compiler version.
749#if (defined(__ANDROID__) || defined(ANDROID)) && !defined(__ARM_FEATURE_CRC32)
750# undef CRYPTOPP_ARM_CRC32_AVAILABLE
751#endif
752
753// Fixup Android and Crypto. It may be enabled based on compiler version.
754#if (defined(__ANDROID__) || defined(ANDROID)) && !defined(__ARM_FEATURE_CRYPTO)
755# undef CRYPTOPP_ARM_PMULL_AVAILABLE
756# undef CRYPTOPP_ARM_AES_AVAILABLE
757# undef CRYPTOPP_ARM_SHA1_AVAILABLE
758# undef CRYPTOPP_ARM_SHA2_AVAILABLE
759#endif
760
761// Cryptogams offers an ARM asm AES implementation. Crypto++ does
762// not provide an asm implementation. The Cryptogams implementation
763// is about 2x faster than C/C++. Define this to use the Cryptogams
764// AES implementation on GNU Linux systems. When defined, Crypto++
765// will use aes_armv4.S. LLVM miscompiles aes_armv4.S so disable
766// under Clang. See https://bugs.llvm.org/show_bug.cgi?id=38133.
767#if !defined(CRYPTOPP_DISABLE_ASM) && defined(__arm__)
768# if defined(__GNUC__) && !defined(__clang__)
769# define CRYPTOGAMS_ARM_AES 1
770# endif
771#endif
772
773#endif // ARM32, ARM64
774
775// ***************** AltiVec and Power8 ********************
776
777#if (CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64)
778
779#if defined(CRYPTOPP_DISABLE_ALTIVEC) || defined(CRYPTOPP_DISABLE_ASM)
780# undef CRYPTOPP_DISABLE_ALTIVEC
781# undef CRYPTOPP_DISABLE_POWER7
782# undef CRYPTOPP_DISABLE_POWER8
783# undef CRYPTOPP_DISABLE_POWER9
784# define CRYPTOPP_DISABLE_ALTIVEC 1
785# define CRYPTOPP_DISABLE_POWER7 1
786# define CRYPTOPP_DISABLE_POWER8 1
787# define CRYPTOPP_DISABLE_POWER9 1
788#endif
789
790// An old Apple G5 with GCC 4.01 has AltiVec, but its only Power4 or so.
791#if !defined(CRYPTOPP_ALTIVEC_AVAILABLE) && !defined(CRYPTOPP_DISABLE_ALTIVEC)
792# if defined(_ARCH_PWR4) || defined(__ALTIVEC__) || \
793 (CRYPTOPP_XLC_VERSION >= 100000) || (CRYPTOPP_GCC_VERSION >= 40001) || \
794 (CRYPTOPP_CLANG_VERSION >= 20900)
795# define CRYPTOPP_ALTIVEC_AVAILABLE 1
796# endif
797#endif
798
799// We need Power7 for unaligned loads and stores
800#if !defined(CRYPTOPP_POWER7_AVAILABLE) && !defined(CRYPTOPP_DISABLE_POWER7) && defined(CRYPTOPP_ALTIVEC_AVAILABLE)
801# if defined(_ARCH_PWR7) || (CRYPTOPP_XLC_VERSION >= 100000) || \
802 (CRYPTOPP_GCC_VERSION >= 40100) || (CRYPTOPP_CLANG_VERSION >= 30100)
803# define CRYPTOPP_POWER7_AVAILABLE 1
804# endif
805#endif
806
807// We need Power8 for in-core crypto and 64-bit vector types
808#if !defined(CRYPTOPP_POWER8_AVAILABLE) && !defined(CRYPTOPP_DISABLE_POWER8) && defined(CRYPTOPP_POWER7_AVAILABLE)
809# if defined(_ARCH_PWR8) || (CRYPTOPP_XLC_VERSION >= 130000) || \
810 (CRYPTOPP_GCC_VERSION >= 40800) || (CRYPTOPP_CLANG_VERSION >= 70000)
811# define CRYPTOPP_POWER8_AVAILABLE 1
812# endif
813#endif
814
815// Power9 for random numbers
816#if !defined(CRYPTOPP_POWER9_AVAILABLE) && !defined(CRYPTOPP_DISABLE_POWER9) && defined(CRYPTOPP_POWER8_AVAILABLE)
817# if defined(_ARCH_PWR9) || (CRYPTOPP_XLC_VERSION >= 130200) || \
818 (CRYPTOPP_GCC_VERSION >= 70000) || (CRYPTOPP_CLANG_VERSION >= 80000)
819# define CRYPTOPP_POWER9_AVAILABLE 1
820# endif
821#endif
822
823#if !defined(CRYPTOPP_POWER8_AES_AVAILABLE) && !defined(CRYPTOPP_DISABLE_POWER8_AES) && defined(CRYPTOPP_POWER8_AVAILABLE)
824# if defined(__CRYPTO__) || defined(_ARCH_PWR8) || (CRYPTOPP_XLC_VERSION >= 130000) || \
825 (CRYPTOPP_GCC_VERSION >= 40800) || (CRYPTOPP_CLANG_VERSION >= 70000)
826//# define CRYPTOPP_POWER8_CRC_AVAILABLE 1
827# define CRYPTOPP_POWER8_AES_AVAILABLE 1
828# define CRYPTOPP_POWER8_VMULL_AVAILABLE 1
829# define CRYPTOPP_POWER8_SHA_AVAILABLE 1
830# endif
831#endif
832
833#endif // PPC32, PPC64
834
835// ***************** Miscellaneous ********************
836
837// Nearly all Intel's and AMD's have SSE. Enable it independent of SSE ASM and intrinscs
838#if (CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64) && !defined(CRYPTOPP_DISABLE_ASM)
839 #define CRYPTOPP_BOOL_ALIGN16 1
840#else
841 #define CRYPTOPP_BOOL_ALIGN16 0
842#endif
843
844// How to allocate 16-byte aligned memory (for SSE2)
845// posix_memalign see https://forum.kde.org/viewtopic.php?p=66274
846#if defined(_MSC_VER)
847 #define CRYPTOPP_MM_MALLOC_AVAILABLE
848#elif defined(__linux__) || defined(__sun__) || defined(__CYGWIN__)
849 #define CRYPTOPP_MEMALIGN_AVAILABLE
850#elif defined(__APPLE__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
851 #define CRYPTOPP_MALLOC_ALIGNMENT_IS_16
852#elif (defined(_GNU_SOURCE) || ((_XOPEN_SOURCE + 0) >= 600)) && (_POSIX_ADVISORY_INFO > 0)
853 #define CRYPTOPP_POSIX_MEMALIGN_AVAILABLE
854#else
855 #define CRYPTOPP_NO_ALIGNED_ALLOC
856#endif
857
858// how to disable inlining
859#if defined(_MSC_VER)
860# define CRYPTOPP_NOINLINE_DOTDOTDOT
861# define CRYPTOPP_NOINLINE __declspec(noinline)
862#elif defined(__xlc__) || defined(__xlC__) || defined(__ibmxl__)
863# define CRYPTOPP_NOINLINE_DOTDOTDOT ...
864# define CRYPTOPP_NOINLINE __attribute__((noinline))
865#elif defined(__GNUC__)
866# define CRYPTOPP_NOINLINE_DOTDOTDOT
867# define CRYPTOPP_NOINLINE __attribute__((noinline))
868#else
869# define CRYPTOPP_NOINLINE_DOTDOTDOT ...
870# define CRYPTOPP_NOINLINE
871#endif
872
873// How to declare class constants
874#if defined(CRYPTOPP_DOXYGEN_PROCESSING) || defined(__BORLANDC__)
875# define CRYPTOPP_CONSTANT(x) static const int x;
876#else
877# define CRYPTOPP_CONSTANT(x) enum {x};
878#endif
879
880// How to disable CPU feature probing. We determine machine
881// capabilities by performing an os/platform *query* first,
882// like getauxv(). If the *query* fails, we move onto a
883// cpu *probe*. The cpu *probe* tries to exeute an instruction
884// and then catches a SIGILL on Linux or the exception
885// EXCEPTION_ILLEGAL_INSTRUCTION on Windows. Some OSes
886// fail to hangle a SIGILL gracefully, like Apple OSes. Apple
887// machines corrupt memory and variables around the probe.
888#if defined(__APPLE__)
889# define CRYPTOPP_NO_CPU_FEATURE_PROBES 1
890#endif
891
892// ***************** Initialization and Constructor priorities ********************
893
894// CRYPTOPP_INIT_PRIORITY attempts to manage initialization of C++ static objects.
895// Under GCC, the library uses init_priority attribute in the range
896// [CRYPTOPP_INIT_PRIORITY, CRYPTOPP_INIT_PRIORITY+100]. Under Windows,
897// CRYPTOPP_INIT_PRIORITY enlists "#pragma init_seg(lib)". The platforms
898// with gaps are Apple and Sun because they require linker scripts. Apple and
899// Sun will use the library's Singletons to initialize and acquire resources.
900// Also see http://cryptopp.com/wiki/Static_Initialization_Order_Fiasco
901#ifndef CRYPTOPP_INIT_PRIORITY
902# define CRYPTOPP_INIT_PRIORITY 250
903#endif
904
905// CRYPTOPP_USER_PRIORITY is for other libraries and user code that is using Crypto++
906// and managing C++ static object creation. It is guaranteed not to conflict with
907// values used by (or would be used by) the Crypto++ library.
908#ifndef CRYPTOPP_USER_PRIORITY
909# define CRYPTOPP_USER_PRIORITY (CRYPTOPP_INIT_PRIORITY+101)
910#endif
911
912// Most platforms allow us to specify when to create C++ objects. Apple and Sun do not.
913#if (CRYPTOPP_INIT_PRIORITY > 0) && !(defined(NO_OS_DEPENDENCE) || defined(__APPLE__) || defined(__sun__))
914# if (CRYPTOPP_GCC_VERSION >= 30000) || (CRYPTOPP_LLVM_CLANG_VERSION >= 20900) || (_INTEL_COMPILER >= 800)
915# define HAVE_GCC_INIT_PRIORITY 1
916# elif (CRYPTOPP_MSC_VERSION >= 1310)
917# define HAVE_MSC_INIT_PRIORITY 1
918# elif defined(__xlc__) || defined(__xlC__) || defined(__ibmxl__)
919# define HAVE_XLC_INIT_PRIORITY 1
920# endif
921#endif // CRYPTOPP_INIT_PRIORITY, NO_OS_DEPENDENCE, Apple, Sun
922
923// ***************** determine availability of OS features ********************
924
925#ifndef NO_OS_DEPENDENCE
926
927#if defined(_WIN32) || defined(_WIN64) || defined(__CYGWIN__)
928#define CRYPTOPP_WIN32_AVAILABLE
929#endif
930
931#if defined(__unix__) || defined(__MACH__) || defined(__NetBSD__) || defined(__sun)
932#define CRYPTOPP_UNIX_AVAILABLE
933#endif
934
935#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
936#define CRYPTOPP_BSD_AVAILABLE
937#endif
938
939#if defined(CRYPTOPP_WIN32_AVAILABLE) || defined(CRYPTOPP_UNIX_AVAILABLE)
940# define HIGHRES_TIMER_AVAILABLE
941#endif
942
943#ifdef CRYPTOPP_WIN32_AVAILABLE
944# if !defined(WINAPI_FAMILY)
945# define THREAD_TIMER_AVAILABLE
946# elif defined(WINAPI_FAMILY)
947# if (WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
948# define THREAD_TIMER_AVAILABLE
949# endif
950# endif
951#endif
952
953#if defined(CRYPTOPP_UNIX_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING)
954# define NONBLOCKING_RNG_AVAILABLE
955# define BLOCKING_RNG_AVAILABLE
956# define OS_RNG_AVAILABLE
957#endif
958
959// Cygwin/Newlib requires _XOPEN_SOURCE=600
960#if defined(CRYPTOPP_UNIX_AVAILABLE)
961# define UNIX_SIGNALS_AVAILABLE 1
962#endif
963
964#ifdef CRYPTOPP_WIN32_AVAILABLE
965# if !defined(WINAPI_FAMILY)
966# define NONBLOCKING_RNG_AVAILABLE
967# define OS_RNG_AVAILABLE
968# elif defined(WINAPI_FAMILY)
969# if (WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
970# define NONBLOCKING_RNG_AVAILABLE
971# define OS_RNG_AVAILABLE
972# elif !(WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
973# if ((WINVER >= 0x0A00 /*_WIN32_WINNT_WIN10*/) || (_WIN32_WINNT >= 0x0A00 /*_WIN32_WINNT_WIN10*/))
974# define NONBLOCKING_RNG_AVAILABLE
975# define OS_RNG_AVAILABLE
976# endif
977# endif
978# endif
979#endif
980
981#endif // NO_OS_DEPENDENCE
982
983// ***************** DLL related ********************
984
985#if defined(CRYPTOPP_WIN32_AVAILABLE) && !defined(CRYPTOPP_DOXYGEN_PROCESSING)
986
987#ifdef CRYPTOPP_EXPORTS
988#define CRYPTOPP_IS_DLL
989#define CRYPTOPP_DLL __declspec(dllexport)
990#elif defined(CRYPTOPP_IMPORTS)
991#define CRYPTOPP_IS_DLL
992#define CRYPTOPP_DLL __declspec(dllimport)
993#else
994#define CRYPTOPP_DLL
995#endif
996
997// C++ makes const internal linkage
998#define CRYPTOPP_TABLE extern
999#define CRYPTOPP_API __cdecl
1000
1001#else // not CRYPTOPP_WIN32_AVAILABLE
1002
1003// C++ makes const internal linkage
1004#define CRYPTOPP_TABLE extern
1005#define CRYPTOPP_DLL
1006#define CRYPTOPP_API
1007
1008#endif // CRYPTOPP_WIN32_AVAILABLE
1009
1010#if defined(__MWERKS__)
1011#define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS extern class CRYPTOPP_DLL
1012#elif defined(__BORLANDC__) || defined(__SUNPRO_CC)
1013#define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS template class CRYPTOPP_DLL
1014#else
1015#define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS extern template class CRYPTOPP_DLL
1016#endif
1017
1018#if defined(CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES) && !defined(CRYPTOPP_IMPORTS)
1019#define CRYPTOPP_DLL_TEMPLATE_CLASS template class CRYPTOPP_DLL
1020#else
1021#define CRYPTOPP_DLL_TEMPLATE_CLASS CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS
1022#endif
1023
1024#if defined(__MWERKS__)
1025#define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS extern class
1026#elif defined(__BORLANDC__) || defined(__SUNPRO_CC)
1027#define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS template class
1028#else
1029#define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS extern template class
1030#endif
1031
1032#if defined(CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES) && !defined(CRYPTOPP_EXPORTS)
1033#define CRYPTOPP_STATIC_TEMPLATE_CLASS template class
1034#else
1035#define CRYPTOPP_STATIC_TEMPLATE_CLASS CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS
1036#endif
1037
1038// ************** Unused variable ***************
1039
1040// Portable way to suppress warnings.
1041// Moved from misc.h due to circular depenedencies.
1042#define CRYPTOPP_UNUSED(x) ((void)(x))
1043
1044// ************** Deprecated ***************
1045
1046#if (CRYPTOPP_GCC_VERSION >= 40500) || (CRYPTOPP_LLVM_CLANG_VERSION >= 20800) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40200)
1047# define CRYPTOPP_DEPRECATED(msg) __attribute__((deprecated (msg)))
1048#elif (CRYPTOPP_GCC_VERSION)
1049# define CRYPTOPP_DEPRECATED(msg) __attribute__((deprecated))
1050#else
1051# define CRYPTOPP_DEPRECATED(msg)
1052#endif
1053
1054// ***************** C++11 related ********************
1055
1056// Visual Studio began at VS2010, http://msdn.microsoft.com/en-us/library/hh567368%28v=vs.110%29.aspx
1057// and https://docs.microsoft.com/en-us/cpp/visual-cpp-language-conformance .
1058// Intel, http://software.intel.com/en-us/articles/c0x-features-supported-by-intel-c-compiler
1059// GCC, http://gcc.gnu.org/projects/cxx0x.html
1060// Clang, http://clang.llvm.org/cxx_status.html
1061
1062// Compatibility with non-clang compilers.
1063#ifndef __has_feature
1064# define __has_feature(x) 0
1065#endif
1066
1067#if !defined(CRYPTOPP_NO_CXX11)
1068# if ((_MSC_VER >= 1600) || (__cplusplus >= 201103L)) && !defined(_STLPORT_VERSION)
1069# define CRYPTOPP_CXX11 1
1070# endif
1071#endif
1072
1073// Hack ahead. Apple's standard library does not have C++'s unique_ptr in C++11. We can't
1074// test for unique_ptr directly because some of the non-Apple Clangs on OS X fail the same
1075// way. However, modern standard libraries have <forward_list>, so we test for it instead.
1076// Thanks to Jonathan Wakely for devising the clever test for modern/ancient versions.
1077// TODO: test under Xcode 3, where g++ is really g++.
1078#if defined(__APPLE__) && defined(__clang__)
1079# if !(defined(__has_include) && __has_include(<forward_list>))
1080# undef CRYPTOPP_CXX11
1081# endif
1082#endif
1083
1084// C++11 or C++14 is available
1085#if defined(CRYPTOPP_CXX11)
1086
1087// atomics: MS at VS2012 (17.00); GCC at 4.4; Clang at 3.1/3.2; Intel 13.0; SunCC 5.14.
1088#if (CRYPTOPP_MSC_VERSION >= 1700) || __has_feature(cxx_atomic) || \
1089 (__INTEL_COMPILER >= 1300) || (CRYPTOPP_GCC_VERSION >= 40400) || (__SUNPRO_CC >= 0x5140)
1090# define CRYPTOPP_CXX11_ATOMICS 1
1091#endif // atomics
1092
1093// synchronization: MS at VS2012 (17.00); GCC at 4.4; Clang at 3.3; Xcode 5.0; Intel 12.0; SunCC 5.13.
1094// TODO: verify Clang and Intel versions; find __has_feature(x) extension for Clang
1095#if (CRYPTOPP_MSC_VERSION >= 1700) || (CRYPTOPP_LLVM_CLANG_VERSION >= 30300) || \
1096 (CRYPTOPP_APPLE_CLANG_VERSION >= 50000) || (__INTEL_COMPILER >= 1200) || \
1097 (CRYPTOPP_GCC_VERSION >= 40400) || (__SUNPRO_CC >= 0x5130)
1098// Hack ahead. New GCC compilers like GCC 6 on AIX 7.0 or earlier as well as original MinGW
1099// don't have the synchronization gear. However, Wakely's test used for Apple does not work
1100// on the GCC/AIX combination. Another twist is we need other stuff from C++11,
1101// like no-except destructors. Dumping preprocessors shows the following may
1102// apply: http://stackoverflow.com/q/14191566/608639.
1103# include <cstddef>
1104# if !defined(__GLIBCXX__) || defined(_GLIBCXX_HAS_GTHREADS)
1105# define CRYPTOPP_CXX11_SYNCHRONIZATION 1
1106# endif
1107#endif // synchronization
1108
1109// Dynamic Initialization and Destruction with Concurrency ("Magic Statics")
1110// MS at VS2015 with Vista (19.00); GCC at 4.3; LLVM Clang at 2.9; Apple Clang at 4.0; Intel 11.1; SunCC 5.13.
1111// Microsoft's implementation only works for Vista and above, so its further
1112// limited. http://connect.microsoft.com/VisualStudio/feedback/details/1789709
1113#if (CRYPTOPP_MSC_VERSION >= 1900) && ((WINVER >= 0x0600) || (_WIN32_WINNT >= 0x0600)) || \
1114 (CRYPTOPP_LLVM_CLANG_VERSION >= 20900) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40000) || \
1115 (__INTEL_COMPILER >= 1110) || (CRYPTOPP_GCC_VERSION >= 40300) || (__SUNPRO_CC >= 0x5130)
1116# define CRYPTOPP_CXX11_DYNAMIC_INIT 1
1117#endif // Dynamic Initialization compilers
1118
1119// alignof/alignas: MS at VS2015 (19.00); GCC at 4.8; Clang at 3.0; Intel 15.0; SunCC 5.13.
1120#if (CRYPTOPP_MSC_VERSION >= 1900) || __has_feature(cxx_alignas) || \
1121 (__INTEL_COMPILER >= 1500) || (CRYPTOPP_GCC_VERSION >= 40800) || (__SUNPRO_CC >= 0x5130)
1122# define CRYPTOPP_CXX11_ALIGNAS 1
1123#endif // alignas
1124
1125// alignof: MS at VS2015 (19.00); GCC at 4.5; Clang at 2.9; Intel 15.0; SunCC 5.13.
1126#if (CRYPTOPP_MSC_VERSION >= 1900) || __has_feature(cxx_alignof) || \
1127 (__INTEL_COMPILER >= 1500) || (CRYPTOPP_GCC_VERSION >= 40500) || (__SUNPRO_CC >= 0x5130)
1128# define CRYPTOPP_CXX11_ALIGNOF 1
1129#endif // alignof
1130
1131// lambdas: MS at VS2012 (17.00); GCC at 4.9; Clang at 3.3; Intel 12.0; SunCC 5.14.
1132#if (CRYPTOPP_MSC_VERSION >= 1700) || __has_feature(cxx_lambdas) || \
1133 (__INTEL_COMPILER >= 1200) || (CRYPTOPP_GCC_VERSION >= 40900) || (__SUNPRO_CC >= 0x5140)
1134# define CRYPTOPP_CXX11_LAMBDA 1
1135#endif // lambdas
1136
1137// noexcept: MS at VS2015 (19.00); GCC at 4.6; Clang at 3.0; Intel 14.0; SunCC 5.13.
1138#if (CRYPTOPP_MSC_VERSION >= 1900) || __has_feature(cxx_noexcept) || \
1139 (__INTEL_COMPILER >= 1400) || (CRYPTOPP_GCC_VERSION >= 40600) || (__SUNPRO_CC >= 0x5130)
1140# define CRYPTOPP_CXX11_NOEXCEPT 1
1141#endif // noexcept compilers
1142
1143// variadic templates: MS at VS2013 (18.00); GCC at 4.3; Clang at 2.9; Intel 12.1; SunCC 5.13.
1144#if (CRYPTOPP_MSC_VERSION >= 1800) || __has_feature(cxx_variadic_templates) || \
1145 (__INTEL_COMPILER >= 1210) || (CRYPTOPP_GCC_VERSION >= 40300) || (__SUNPRO_CC >= 0x5130)
1146# define CRYPTOPP_CXX11_VARIADIC_TEMPLATES 1
1147#endif // variadic templates
1148
1149// constexpr: MS at VS2015 (19.00); GCC at 4.6; Clang at 3.1; Intel 16.0; SunCC 5.13.
1150// Intel has mis-supported the feature since at least ICPC 13.00
1151#if (CRYPTOPP_MSC_VERSION >= 1900) || __has_feature(cxx_constexpr) || \
1152 (__INTEL_COMPILER >= 1600) || (CRYPTOPP_GCC_VERSION >= 40600) || (__SUNPRO_CC >= 0x5130)
1153# define CRYPTOPP_CXX11_CONSTEXPR 1
1154#endif // constexpr compilers
1155
1156// strong typed enums: MS at VS2012 (17.00); GCC at 4.4; Clang at 3.3; Intel 14.0; SunCC 5.12.
1157// Mircorosft and Intel had partial support earlier, but we require full support.
1158#if (CRYPTOPP_MSC_VERSION >= 1700) || __has_feature(cxx_strong_enums) || \
1159 (__INTEL_COMPILER >= 1400) || (CRYPTOPP_GCC_VERSION >= 40400) || (__SUNPRO_CC >= 0x5120)
1160# define CRYPTOPP_CXX11_ENUM 1
1161#endif // constexpr compilers
1162
1163// nullptr_t: MS at VS2010 (16.00); GCC at 4.6; Clang at 3.3; Intel 10.0; SunCC 5.13.
1164#if (CRYPTOPP_MSC_VERSION >= 1600) || __has_feature(cxx_nullptr) || \
1165 (__INTEL_COMPILER >= 1000) || (CRYPTOPP_GCC_VERSION >= 40600) || \
1166 (__SUNPRO_CC >= 0x5130) || defined(__IBMCPP_NULLPTR)
1167# define CRYPTOPP_CXX11_NULLPTR 1
1168#endif // nullptr_t compilers
1169
1170#endif // CRYPTOPP_CXX11
1171
1172// ***************** C++17 related ********************
1173
1174// C++17 macro version, https://stackoverflow.com/q/38456127/608639
1175#if defined(CRYPTOPP_CXX11) && !defined(CRYPTOPP_NO_CXX17)
1176# if ((_MSC_VER >= 1900) || (__cplusplus >= 201703L)) && !defined(_STLPORT_VERSION)
1177# define CRYPTOPP_CXX17 1
1178# endif
1179#endif
1180
1181// C++17 is available
1182#if defined(CRYPTOPP_CXX17)
1183
1184// C++17 uncaught_exceptions: MS at VS2015 (19.00); GCC at 6.0; Clang at 3.5; Intel 18.0.
1185// Clang and __EXCEPTIONS see http://releases.llvm.org/3.6.0/tools/clang/docs/ReleaseNotes.html
1186#if defined(__clang__)
1187# if __EXCEPTIONS && __has_feature(cxx_exceptions)
1188# if __cpp_lib_uncaught_exceptions
1189# define CRYPTOPP_CXX17_EXCEPTIONS 1
1190# endif
1191# endif
1192#elif (CRYPTOPP_MSC_VERSION >= 1900) || (__INTEL_COMPILER >= 1800) || (CRYPTOPP_GCC_VERSION >= 60000) || (__cpp_lib_uncaught_exceptions)
1193# define CRYPTOPP_CXX17_EXCEPTIONS 1
1194#endif // uncaught_exceptions compilers
1195
1196#endif // CRYPTOPP_CXX17
1197
1198// ***************** C++ fixups ********************
1199
1200#if defined(CRYPTOPP_CXX11_NOEXCEPT)
1201# define CRYPTOPP_THROW noexcept(false)
1202# define CRYPTOPP_NO_THROW noexcept(true)
1203#else
1204# define CRYPTOPP_THROW
1205# define CRYPTOPP_NO_THROW
1206#endif // CRYPTOPP_CXX11_NOEXCEPT
1207
1208// http://stackoverflow.com/a/13867690/608639
1209#if defined(CRYPTOPP_CXX11_CONSTEXPR)
1210# define CRYPTOPP_STATIC_CONSTEXPR static constexpr
1211# define CRYPTOPP_CONSTEXPR constexpr
1212#else
1213# define CRYPTOPP_STATIC_CONSTEXPR static
1214# define CRYPTOPP_CONSTEXPR
1215#endif // CRYPTOPP_CXX11_CONSTEXPR
1216
1217// Hack... CRYPTOPP_ALIGN_DATA is defined earlier, before C++11 alignas availability is determined
1218#if defined(CRYPTOPP_CXX11_ALIGNAS)
1219# undef CRYPTOPP_ALIGN_DATA
1220# define CRYPTOPP_ALIGN_DATA(x) alignas(x)
1221#endif // CRYPTOPP_CXX11_ALIGNAS
1222
1223// Hack... CRYPTOPP_CONSTANT is defined earlier, before C++11 constexpr availability is determined
1224// http://stackoverflow.com/q/35213098/608639
1225// #if defined(CRYPTOPP_CXX11_CONSTEXPR)
1226// # undef CRYPTOPP_CONSTANT
1227// # define CRYPTOPP_CONSTANT(x) constexpr static int x;
1228// #endif
1229
1230// Hack... CRYPTOPP_CONSTANT is defined earlier, before C++11 constexpr availability is determined
1231// http://stackoverflow.com/q/35213098/608639
1232#if defined(CRYPTOPP_CXX11_ENUM)
1233# undef CRYPTOPP_CONSTANT
1234# define CRYPTOPP_CONSTANT(x) enum : int { x };
1235#elif defined(CRYPTOPP_CXX11_CONSTEXPR)
1236# undef CRYPTOPP_CONSTANT
1237# define CRYPTOPP_CONSTANT(x) constexpr static int x;
1238#endif
1239
1240// Hack... C++11 nullptr_t type safety and analysis
1241#if defined(CRYPTOPP_CXX11_NULLPTR) && !defined(NULLPTR)
1242# define NULLPTR nullptr
1243#elif !defined(NULLPTR)
1244# define NULLPTR NULL
1245#endif // CRYPTOPP_CXX11_NULLPTR
1246
1247// OK to comment the following out, but please report it so we can fix it.
1248// C++17 value taken from http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4567.pdf.
1249#if (defined(__cplusplus) && (__cplusplus >= 199711L) && (__cplusplus < 201402L)) && !defined(CRYPTOPP_UNCAUGHT_EXCEPTION_AVAILABLE)
1250# error "std::uncaught_exception is not available. This is likely a configuration error."
1251#endif
1252
1253#endif // CRYPTOPP_CONFIG_H
Crypto++ library namespace.