Crypto++  5.6.3
Free C++ class library of cryptographic schemes
config.h
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1 // config.h - 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 #if !defined(IS_LITTLE_ENDIAN) && (defined(__BIG_ENDIAN__) || (defined(__s390__) || defined(__s390x__) || defined(__zarch__)) || defined(__sparc) || defined(__sparc__) || defined(__hppa__) || defined(__MIPSEB__) || defined(__ARMEB__) || (defined(__MWERKS__) && !defined(__INTEL__)))
13 # define IS_BIG_ENDIAN
14 #endif
15 
16 // define this if running on a little-endian CPU
17 // big endian will be assumed if IS_LITTLE_ENDIAN is not defined
18 #ifndef IS_BIG_ENDIAN
19 # define IS_LITTLE_ENDIAN
20 #endif
21 
22 // Sanity checks. Some processors have more than big-, little- and bi-endian modes. PDP mode, where order results in "4312", should
23 // raise red flags immediately. Additionally, mis-classified machines, like (previosuly) S/390, should raise red flags immediately.
24 #if defined(IS_BIG_ENDIAN) && defined(__GNUC__) && defined(__BYTE_ORDER__) && (__BYTE_ORDER__ != __ORDER_BIG_ENDIAN__)
25 # error "IS_BIG_ENDIAN is set, but __BYTE_ORDER__ does not equal __ORDER_BIG_ENDIAN__"
26 #endif
27 #if defined(IS_LITTLE_ENDIAN) && defined(__GNUC__) && defined(__BYTE_ORDER__) && (__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__)
28 # error "IS_LITTLE_ENDIAN is set, but __BYTE_ORDER__ does not equal __ORDER_LITTLE_ENDIAN__"
29 #endif
30 
31 // Define this if you want to disable all OS-dependent features,
32 // such as sockets and OS-provided random number generators
33 // #define NO_OS_DEPENDENCE
34 
35 // Define this to use features provided by Microsoft's CryptoAPI.
36 // Currently the only feature used is random number generation.
37 // This macro will be ignored if NO_OS_DEPENDENCE is defined.
38 #define USE_MS_CRYPTOAPI
39 
40 // Define this to ensure C/C++ standard compliance and respect for GCC aliasing rules and other alignment fodder. If you
41 // experience a break with GCC at -O3, you should try this first. Guard it in case its set on the command line (and it differs).
42 #ifndef CRYPTOPP_NO_UNALIGNED_DATA_ACCESS
43 // # define CRYPTOPP_NO_UNALIGNED_DATA_ACCESS
44 #endif
45 
46 // ***************** Less Important Settings ***************
47 
48 // Library version
49 #define CRYPTOPP_VERSION 563
50 
51 // Define this if you want to set a prefix for TestData/ and TestVectors/
52 // Be mindful of the trailing slash since its simple concatenation.
53 // g++ ... -DCRYPTOPP_DATA_DIR='"/tmp/cryptopp_test/share/"'
54 #ifndef CRYPTOPP_DATA_DIR
55 # define CRYPTOPP_DATA_DIR ""
56 #endif
57 
58 // define this to retain (as much as possible) old deprecated function and class names
59 // #define CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY
60 
61 // Define this to retain (as much as possible) ABI and binary compatibility with Crypto++ 5.6.2.
62 // Also see https://cryptopp.com/wiki/Config.h#Avoid_MAINTAIN_BACKWARDS_COMPATIBILITY
63 #if (CRYPTOPP_VERSION <= 600)
64 # if !defined(CRYPTOPP_NO_BACKWARDS_COMPATIBILITY_562) && !defined(CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562)
65 # define CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY_562
66 # endif
67 #endif
68 
69 // Define this if you want or need the library's memcpy_s and memmove_s.
70 // See http://github.com/weidai11/cryptopp/issues/28.
71 // #if !defined(CRYPTOPP_WANT_SECURE_LIB)
72 // # define CRYPTOPP_WANT_SECURE_LIB
73 // #endif
74 
75 // File system code to write to GZIP archive.
76 #if !defined(GZIP_OS_CODE)
77 # define GZIP_OS_CODE 0
78 #endif
79 
80 // Try this if your CPU has 256K internal cache or a slow multiply instruction
81 // and you want a (possibly) faster IDEA implementation using log tables
82 // #define IDEA_LARGECACHE
83 
84 // Define this if, for the linear congruential RNG, you want to use
85 // the original constants as specified in S.K. Park and K.W. Miller's
86 // CACM paper.
87 // #define LCRNG_ORIGINAL_NUMBERS
88 
89 // Define this if you want Integer's operator<< to honor std::showbase (and
90 // std::noshowbase). If defined, Integer will use a suffix of 'b', 'o', 'h'
91 // or '.' (the last for decimal) when std::showbase is in effect. If
92 // std::noshowbase is set, then the suffix is not added to the Integer. If
93 // not defined, existing behavior is preserved and Integer will use a suffix
94 // of 'b', 'o', 'h' or '.' (the last for decimal).
95 // #define CRYPTOPP_USE_STD_SHOWBASE
96 
97 // choose which style of sockets to wrap (mostly useful for MinGW which has both)
98 #if !defined(NO_BERKELEY_STYLE_SOCKETS) && !defined(PREFER_BERKELEY_STYLE_SOCKETS)
99 # define PREFER_BERKELEY_STYLE_SOCKETS
100 #endif
101 
102 // #if !defined(NO_WINDOWS_STYLE_SOCKETS) && !defined(PREFER_WINDOWS_STYLE_SOCKETS)
103 // # define PREFER_WINDOWS_STYLE_SOCKETS
104 // #endif
105 
106 // set the name of Rijndael cipher, was "Rijndael" before version 5.3
107 #define CRYPTOPP_RIJNDAEL_NAME "AES"
108 
109 // CRYPTOPP_INIT_PRIORITY attempts to manage initialization of C++ static objects.
110 // Under GCC, the library uses init_priority attribute in the range
111 // [CRYPTOPP_INIT_PRIORITY, CRYPTOPP_INIT_PRIORITY+100]. Under Windows,
112 // CRYPTOPP_INIT_PRIORITY enlists "#pragma init_seg(lib)".
113 // #define CRYPTOPP_INIT_PRIORITY 250
114 
115 // CRYPTOPP_USER_PRIORITY is for other libraries and user code that is using Crypto++
116 // and managing C++ static object creation. It is guaranteed not to conflict with
117 // values used by (or would be used by) the Crypto++ library.
118 #if defined(CRYPTOPP_INIT_PRIORITY) && (CRYPTOPP_INIT_PRIORITY > 0)
119 # define CRYPTOPP_USER_PRIORITY (CRYPTOPP_INIT_PRIORITY + 101)
120 #else
121 # define CRYPTOPP_USER_PRIORITY 250
122 #endif
123 
124 // ***************** Important Settings Again ********************
125 // But the defaults should be ok.
126 
127 // namespace support is now required
128 #ifdef NO_NAMESPACE
129 # error namespace support is now required
130 #endif
131 
132 // Define this to workaround a Microsoft CryptoAPI bug where
133 // each call to CryptAcquireContext causes a 100 KB memory leak.
134 // Defining this will cause Crypto++ to make only one call to CryptAcquireContext.
135 #define WORKAROUND_MS_BUG_Q258000
136 
137 #ifdef CRYPTOPP_DOXYGEN_PROCESSING
138 // Document the namespce exists. Put it here before CryptoPP is undefined below.
139 //! \namespace CryptoPP
140 //! \brief Crypto++ library namespace
141 //! \details Nearly all classes are located in the CryptoPP namespace. Within
142 //! the namespace, there are two additional namespaces.
143 //! <ul>
144 //! <li>Name - namespace for names used with \p NameValuePairs and documented in argnames.h
145 //! <li>Weak - namespace for weak and wounded algorithms, like ARC4, MD5 and Pananma
146 //! </ul>
147 namespace CryptoPP { }
148 // Bring in the symbols fund in the weak namespace; and fold Weak1 into Weak
149 # define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1
150 # define Weak1 Weak
151 // Avoid putting "CryptoPP::" in front of everything in Doxygen output
152 # define CryptoPP
153 # define NAMESPACE_BEGIN(x)
154 # define NAMESPACE_END
155 // Get Doxygen to generate better documentation for these typedefs
156 # define DOCUMENTED_TYPEDEF(x, y) class y : public x {};
157 // Make "protected" "private" so the functions and members are not documented
158 # define protected private
159 #else
160 # define NAMESPACE_BEGIN(x) namespace x {
161 # define NAMESPACE_END }
162 # define DOCUMENTED_TYPEDEF(x, y) typedef x y;
163 #endif
164 #define ANONYMOUS_NAMESPACE_BEGIN namespace {
165 #define ANONYMOUS_NAMESPACE_END }
166 #define USING_NAMESPACE(x) using namespace x;
167 #define DOCUMENTED_NAMESPACE_BEGIN(x) namespace x {
168 #define DOCUMENTED_NAMESPACE_END }
169 
170 // What is the type of the third parameter to bind?
171 // For Unix, the new standard is ::socklen_t (typically unsigned int), and the old standard is int.
172 // Unfortunately there is no way to tell whether or not socklen_t is defined.
173 // To work around this, TYPE_OF_SOCKLEN_T is a macro so that you can change it from the makefile.
174 #ifndef TYPE_OF_SOCKLEN_T
175 # if defined(_WIN32) || defined(__CYGWIN__)
176 # define TYPE_OF_SOCKLEN_T int
177 # else
178 # define TYPE_OF_SOCKLEN_T ::socklen_t
179 # endif
180 #endif
181 
182 #if defined(__CYGWIN__) && defined(PREFER_WINDOWS_STYLE_SOCKETS)
183 # define __USE_W32_SOCKETS
184 #endif
185 
186 typedef unsigned char byte; // put in global namespace to avoid ambiguity with other byte typedefs
187 
188 NAMESPACE_BEGIN(CryptoPP)
189 
190 typedef unsigned short word16;
191 typedef unsigned int word32;
192 
193 #if defined(_MSC_VER) || defined(__BORLANDC__)
194  typedef unsigned __int64 word64;
195  #define W64LIT(x) x##ui64
196 #else
197  typedef unsigned long long word64;
198  #define W64LIT(x) x##ULL
199 #endif
200 
201 // define large word type, used for file offsets and such
202 typedef word64 lword;
203 const lword LWORD_MAX = W64LIT(0xffffffffffffffff);
204 
205 #ifdef __GNUC__
206  #define CRYPTOPP_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
207 #endif
208 
209 // Apple and LLVM's Clang. Apple Clang version 7.0 roughly equals LLVM Clang version 3.7
210 #if defined(__clang__ ) && !defined(__apple_build_version__)
211  #define CRYPTOPP_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
212 #elif defined(__clang__ ) && defined(__apple_build_version__)
213  #define CRYPTOPP_APPLE_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
214 #endif
215 
216 #ifdef _MSC_VER
217  #define CRYPTOPP_MSC_VERSION (_MSC_VER)
218 #endif
219 
220 // Need GCC 4.6/Clang 1.7/Apple Clang 2.0 or above due to "GCC diagnostic {push|pop}"
221 #if (CRYPTOPP_GCC_VERSION >= 40600) || (CRYPTOPP_CLANG_VERSION >= 10700) || (CRYPTOPP_APPLE_CLANG_VERSION >= 20000)
222  #define CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE 1
223 #endif
224 
225 // Clang due to "Inline assembly operands don't work with .intel_syntax", http://llvm.org/bugs/show_bug.cgi?id=24232
226 // TODO: supply the upper version when LLVM fixes it. We set it to 20.0 for compilation purposes.
227 #if (defined(CRYPTOPP_CLANG_VERSION) && CRYPTOPP_CLANG_VERSION <= 200000) || (defined(CRYPTOPP_APPLE_CLANG_VERSION) && CRYPTOPP_APPLE_CLANG_VERSION <= 200000)
228  #define CRYPTOPP_DISABLE_INTEL_ASM 1
229 #endif
230 
231 // define hword, word, and dword. these are used for multiprecision integer arithmetic
232 // Intel compiler won't have _umul128 until version 10.0. See http://softwarecommunity.intel.com/isn/Community/en-US/forums/thread/30231625.aspx
233 #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__))
234  typedef word32 hword;
235  typedef word64 word;
236 #else
237  #define CRYPTOPP_NATIVE_DWORD_AVAILABLE
238  #if defined(__alpha__) || defined(__ia64__) || defined(_ARCH_PPC64) || defined(__x86_64__) || defined(__mips64) || defined(__sparc64__)
239  #if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !(CRYPTOPP_GCC_VERSION == 40001 && defined(__APPLE__)) && CRYPTOPP_GCC_VERSION >= 30400
240  // GCC 4.0.1 on MacOS X is missing __umodti3 and __udivti3
241  // mode(TI) division broken on amd64 with GCC earlier than GCC 3.4
242  typedef word32 hword;
243  typedef word64 word;
244  typedef __uint128_t dword;
245  typedef __uint128_t word128;
246  #define CRYPTOPP_WORD128_AVAILABLE
247  #else
248  // 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
249  typedef word16 hword;
250  typedef word32 word;
251  typedef word64 dword;
252  #endif
253  #else
254  // being here means the native register size is probably 32 bits or less
255  #define CRYPTOPP_BOOL_SLOW_WORD64 1
256  typedef word16 hword;
257  typedef word32 word;
258  typedef word64 dword;
259  #endif
260 #endif
261 #ifndef CRYPTOPP_BOOL_SLOW_WORD64
262  #define CRYPTOPP_BOOL_SLOW_WORD64 0
263 #endif
264 
265 const unsigned int WORD_SIZE = sizeof(word);
266 const unsigned int WORD_BITS = WORD_SIZE * 8;
267 
268 NAMESPACE_END
269 
270 #ifndef CRYPTOPP_L1_CACHE_LINE_SIZE
271  // This should be a lower bound on the L1 cache line size. It's used for defense against timing attacks.
272  // Also see http://stackoverflow.com/questions/794632/programmatically-get-the-cache-line-size.
273  #if defined(_M_X64) || defined(__x86_64__) || (__ILP32__ >= 1)
274  #define CRYPTOPP_L1_CACHE_LINE_SIZE 64
275  #else
276  // L1 cache line size is 32 on Pentium III and earlier
277  #define CRYPTOPP_L1_CACHE_LINE_SIZE 32
278  #endif
279 #endif
280 
281 #if defined(_MSC_VER)
282  #if _MSC_VER == 1200
283  #include <malloc.h>
284  #endif
285  #if _MSC_VER > 1200 || defined(_mm_free)
286  #define CRYPTOPP_MSVC6PP_OR_LATER // VC 6 processor pack or later
287  #else
288  #define CRYPTOPP_MSVC6_NO_PP // VC 6 without processor pack
289  #endif
290 #endif
291 
292 #ifndef CRYPTOPP_ALIGN_DATA
293  #if defined(CRYPTOPP_MSVC6PP_OR_LATER)
294  #define CRYPTOPP_ALIGN_DATA(x) __declspec(align(x))
295  #elif defined(__GNUC__)
296  #define CRYPTOPP_ALIGN_DATA(x) __attribute__((aligned(x)))
297  #else
298  #define CRYPTOPP_ALIGN_DATA(x)
299  #endif
300 #endif
301 
302 #ifndef CRYPTOPP_SECTION_ALIGN16
303 #if defined(__GNUC__) && !defined(__APPLE__)
304  // the alignment attribute doesn't seem to work without this section attribute when -fdata-sections is turned on
305  #define CRYPTOPP_SECTION_ALIGN16 __attribute__((section ("CryptoPP_Align16")))
306  #else
307  #define CRYPTOPP_SECTION_ALIGN16
308  #endif
309 #endif
310 
311 #if defined(_MSC_VER) || defined(__fastcall)
312  #define CRYPTOPP_FASTCALL __fastcall
313 #else
314  #define CRYPTOPP_FASTCALL
315 #endif
316 
317 // VC60 workaround: it doesn't allow typename in some places
318 #if defined(_MSC_VER) && (_MSC_VER < 1300)
319 #define CPP_TYPENAME
320 #else
321 #define CPP_TYPENAME typename
322 #endif
323 
324 // VC60 workaround: can't cast unsigned __int64 to float or double
325 #if defined(_MSC_VER) && !defined(CRYPTOPP_MSVC6PP_OR_LATER)
326 #define CRYPTOPP_VC6_INT64 (__int64)
327 #else
328 #define CRYPTOPP_VC6_INT64
329 #endif
330 
331 #ifdef _MSC_VER
332 #define CRYPTOPP_NO_VTABLE __declspec(novtable)
333 #else
334 #define CRYPTOPP_NO_VTABLE
335 #endif
336 
337 #ifdef _MSC_VER
338  // 4127: conditional expression is constant
339  // 4231: nonstandard extension used : 'extern' before template explicit instantiation
340  // 4250: dominance
341  // 4251: member needs to have dll-interface
342  // 4275: base needs to have dll-interface
343  // 4505: unreferenced local function
344  // 4512: assignment operator not generated
345  // 4660: explicitly instantiating a class that's already implicitly instantiated
346  // 4661: no suitable definition provided for explicit template instantiation request
347  // 4786: identifer was truncated in debug information
348  // 4355: 'this' : used in base member initializer list
349  // 4910: '__declspec(dllexport)' and 'extern' are incompatible on an explicit instantiation
350 # pragma warning(disable: 4127 4231 4250 4251 4275 4505 4512 4660 4661 4786 4355 4910)
351  // Security related, possible defects
352  // http://blogs.msdn.com/b/vcblog/archive/2010/12/14/off-by-default-compiler-warnings-in-visual-c.aspx
353 # pragma warning(once: 4191 4242 4263 4264 4266 4302 4826 4905 4906 4928)
354 #endif
355 
356 #ifdef __BORLANDC__
357 // 8037: non-const function called for const object. needed to work around BCB2006 bug
358 # pragma warn -8037
359 #endif
360 
361 // [GCC Bug 53431] "C++ preprocessor ignores #pragma GCC diagnostic". Clang honors it.
362 #if CRYPTOPP_GCC_DIAGNOSTIC_AVAILABLE
363 # pragma GCC diagnostic ignored "-Wunknown-pragmas"
364 # pragma GCC diagnostic ignored "-Wunused-function"
365 #endif
366 
367 #if (defined(_MSC_VER) && _MSC_VER <= 1300) || defined(__MWERKS__) || (defined(_STLPORT_VERSION) && ((_STLPORT_VERSION < 0x450) || defined(_STLP_NO_UNCAUGHT_EXCEPT_SUPPORT)))
368 #define CRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION
369 #endif
370 
371 #ifndef CRYPTOPP_DISABLE_UNCAUGHT_EXCEPTION
372 #define CRYPTOPP_UNCAUGHT_EXCEPTION_AVAILABLE
373 #endif
374 
375 #ifdef CRYPTOPP_DISABLE_X86ASM // for backwards compatibility: this macro had both meanings
376 #define CRYPTOPP_DISABLE_ASM
377 #define CRYPTOPP_DISABLE_SSE2
378 #endif
379 
380 // Apple's Clang prior to 5.0 cannot handle SSE2 (and Apple does not use LLVM Clang numbering...)
381 #if defined(CRYPTOPP_APPLE_CLANG_VERSION) && (CRYPTOPP_APPLE_CLANG_VERSION < 50000)
382 # define CRYPTOPP_DISABLE_ASM
383 #endif
384 
385 #if !defined(CRYPTOPP_DISABLE_ASM) && ((defined(_MSC_VER) && defined(_M_IX86)) || (defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))))
386  // C++Builder 2010 does not allow "call label" where label is defined within inline assembly
387  #define CRYPTOPP_X86_ASM_AVAILABLE
388 
389  #if !defined(CRYPTOPP_DISABLE_SSE2) && (defined(CRYPTOPP_MSVC6PP_OR_LATER) || CRYPTOPP_GCC_VERSION >= 30300 || defined(__SSE2__))
390  #define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 1
391  #else
392  #define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 0
393  #endif
394 
395  // SSE3 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.
396  // GCC 4.1.2 was released on 2/13/2007, so we'll use that as a proxy for the binutils version. Also see the output of
397  // `gcc -dM -E -march=native - < /dev/null | grep -i SSE` for preprocessor defines available.
398  #if !defined(CRYPTOPP_DISABLE_SSSE3) && (_MSC_VER >= 1400 || CRYPTOPP_GCC_VERSION >= 40102 || defined(__SSSE3__) || defined(__SSE3__))
399  #define CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE 1
400  #else
401  #define CRYPTOPP_BOOL_SSSE3_ASM_AVAILABLE 0
402  #endif
403 #endif
404 
405 #if !defined(CRYPTOPP_DISABLE_ASM) && defined(_MSC_VER) && defined(_M_X64)
406  #define CRYPTOPP_X64_MASM_AVAILABLE
407 #endif
408 
409 #if !defined(CRYPTOPP_DISABLE_ASM) && defined(__GNUC__) && defined(__x86_64__)
410  #define CRYPTOPP_X64_ASM_AVAILABLE
411 #endif
412 
413 #if !defined(CRYPTOPP_DISABLE_SSE2) && (defined(CRYPTOPP_MSVC6PP_OR_LATER) || defined(__SSE2__)) && !defined(_M_ARM)
414  #define CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE 1
415 #else
416  #define CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE 0
417 #endif
418 
419 #if !defined(CRYPTOPP_DISABLE_SSSE3) && !defined(CRYPTOPP_DISABLE_AESNI) && CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE && (CRYPTOPP_GCC_VERSION >= 40400 || _MSC_FULL_VER >= 150030729 || __INTEL_COMPILER >= 1110 || defined(__AES__))
420  #define CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE 1
421 #else
422  #define CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE 0
423 #endif
424 
425 #if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE || CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)
426  #define CRYPTOPP_BOOL_ALIGN16 1
427 #else
428  #define CRYPTOPP_BOOL_ALIGN16 0
429 #endif
430 
431 // how to allocate 16-byte aligned memory (for SSE2)
432 #if defined(CRYPTOPP_MSVC6PP_OR_LATER)
433  #define CRYPTOPP_MM_MALLOC_AVAILABLE
434 #elif defined(__APPLE__)
435  #define CRYPTOPP_APPLE_MALLOC_AVAILABLE
436 #elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
437  #define CRYPTOPP_MALLOC_ALIGNMENT_IS_16
438 #elif defined(__linux__) || defined(__sun__) || defined(__CYGWIN__)
439  #define CRYPTOPP_MEMALIGN_AVAILABLE
440 #else
441  #define CRYPTOPP_NO_ALIGNED_ALLOC
442 #endif
443 
444 // Apple always provides 16-byte aligned, and tells us to use calloc
445 // http://developer.apple.com/library/mac/documentation/Performance/Conceptual/ManagingMemory/Articles/MemoryAlloc.html
446 
447 // how to disable inlining
448 #if defined(_MSC_VER) && _MSC_VER >= 1300
449 # define CRYPTOPP_NOINLINE_DOTDOTDOT
450 # define CRYPTOPP_NOINLINE __declspec(noinline)
451 #elif defined(__GNUC__)
452 # define CRYPTOPP_NOINLINE_DOTDOTDOT
453 # define CRYPTOPP_NOINLINE __attribute__((noinline))
454 #else
455 # define CRYPTOPP_NOINLINE_DOTDOTDOT ...
456 # define CRYPTOPP_NOINLINE
457 #endif
458 
459 // how to declare class constants
460 #if (defined(_MSC_VER) && _MSC_VER <= 1300) || defined(__INTEL_COMPILER) || defined(__BORLANDC__)
461 # define CRYPTOPP_CONSTANT(x) enum {x};
462 #else
463 # define CRYPTOPP_CONSTANT(x) static const int x;
464 #endif
465 
466 // Linux provides X32, which is 32-bit integers, longs and pointers on x86_64 using the full x86_64 register set.
467 // Detect via __ILP32__ (http://wiki.debian.org/X32Port). However, __ILP32__ shows up in more places than
468 // the System V ABI specs calls out, like on just about any 32-bit system with Clang.
469 #if ((__ILP32__ >= 1) || (_ILP32 >= 1)) && defined(__x86_64__)
470  #define CRYPTOPP_BOOL_X32 1
471 #else
472  #define CRYPTOPP_BOOL_X32 0
473 #endif
474 
475 // see http://predef.sourceforge.net/prearch.html
476 #if (defined(_M_IX86) || defined(__i386__) || defined(__i386) || defined(_X86_) || defined(__I86__) || defined(__INTEL__)) && !CRYPTOPP_BOOL_X32
477  #define CRYPTOPP_BOOL_X86 1
478 #else
479  #define CRYPTOPP_BOOL_X86 0
480 #endif
481 
482 #if (defined(_M_X64) || defined(__x86_64__)) && !CRYPTOPP_BOOL_X32
483  #define CRYPTOPP_BOOL_X64 1
484 #else
485  #define CRYPTOPP_BOOL_X64 0
486 #endif
487 
488 // Undo the ASM and Intrinsic related defines due to X32.
489 #if CRYPTOPP_BOOL_X32
490 # undef CRYPTOPP_BOOL_X64
491 # undef CRYPTOPP_X64_ASM_AVAILABLE
492 # undef CRYPTOPP_X64_MASM_AVAILABLE
493 #endif
494 
495 #if !defined(CRYPTOPP_NO_UNALIGNED_DATA_ACCESS) && !defined(CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS)
496 #if (CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || defined(__powerpc__) || (__ARM_FEATURE_UNALIGNED >= 1))
497  #define CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS
498 #endif
499 #endif
500 
501 // ***************** determine availability of OS features ********************
502 
503 #ifndef NO_OS_DEPENDENCE
504 
505 #if defined(_WIN32) || defined(__CYGWIN__)
506 #define CRYPTOPP_WIN32_AVAILABLE
507 #endif
508 
509 #if defined(__unix__) || defined(__MACH__) || defined(__NetBSD__) || defined(__sun)
510 #define CRYPTOPP_UNIX_AVAILABLE
511 #endif
512 
513 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
514 #define CRYPTOPP_BSD_AVAILABLE
515 #endif
516 
517 #if defined(CRYPTOPP_WIN32_AVAILABLE) || defined(CRYPTOPP_UNIX_AVAILABLE)
518 # define HIGHRES_TIMER_AVAILABLE
519 #endif
520 
521 #ifdef CRYPTOPP_UNIX_AVAILABLE
522 # define HAS_BERKELEY_STYLE_SOCKETS
523 #endif
524 
525 #ifdef CRYPTOPP_WIN32_AVAILABLE
526 # define HAS_WINDOWS_STYLE_SOCKETS
527 #endif
528 
529 #if defined(HIGHRES_TIMER_AVAILABLE) && (defined(HAS_BERKELEY_STYLE_SOCKETS) || defined(HAS_WINDOWS_STYLE_SOCKETS))
530 # define SOCKETS_AVAILABLE
531 #endif
532 
533 #if defined(HAS_WINDOWS_STYLE_SOCKETS) && (!defined(HAS_BERKELEY_STYLE_SOCKETS) || defined(PREFER_WINDOWS_STYLE_SOCKETS))
534 # define USE_WINDOWS_STYLE_SOCKETS
535 #else
536 # define USE_BERKELEY_STYLE_SOCKETS
537 #endif
538 
539 #if defined(HIGHRES_TIMER_AVAILABLE) && defined(CRYPTOPP_WIN32_AVAILABLE) && !defined(USE_BERKELEY_STYLE_SOCKETS)
540 # define WINDOWS_PIPES_AVAILABLE
541 #endif
542 
543 #if defined(CRYPTOPP_WIN32_AVAILABLE) && defined(USE_MS_CRYPTOAPI)
544 # define NONBLOCKING_RNG_AVAILABLE
545 # define OS_RNG_AVAILABLE
546 #endif
547 
548 #if defined(CRYPTOPP_UNIX_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING)
549 # define NONBLOCKING_RNG_AVAILABLE
550 # define BLOCKING_RNG_AVAILABLE
551 # define OS_RNG_AVAILABLE
552 # define HAS_PTHREADS
553 # define THREADS_AVAILABLE
554 #endif
555 
556 #ifdef CRYPTOPP_WIN32_AVAILABLE
557 # define HAS_WINTHREADS
558 # define THREADS_AVAILABLE
559 #endif
560 
561 #endif // NO_OS_DEPENDENCE
562 
563 // ***************** DLL related ********************
564 
565 #if defined(CRYPTOPP_WIN32_AVAILABLE) && !defined(CRYPTOPP_DOXYGEN_PROCESSING)
566 
567 #ifdef CRYPTOPP_EXPORTS
568 #define CRYPTOPP_IS_DLL
569 #define CRYPTOPP_DLL __declspec(dllexport)
570 #elif defined(CRYPTOPP_IMPORTS)
571 #define CRYPTOPP_IS_DLL
572 #define CRYPTOPP_DLL __declspec(dllimport)
573 #else
574 #define CRYPTOPP_DLL
575 #endif
576 
577 #define CRYPTOPP_API __cdecl
578 
579 #else // not CRYPTOPP_WIN32_AVAILABLE
580 
581 #define CRYPTOPP_DLL
582 #define CRYPTOPP_API
583 
584 #endif // CRYPTOPP_WIN32_AVAILABLE
585 
586 #if defined(__MWERKS__)
587 #define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS extern class CRYPTOPP_DLL
588 #elif defined(__BORLANDC__) || defined(__SUNPRO_CC)
589 #define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS template class CRYPTOPP_DLL
590 #else
591 #define CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS extern template class CRYPTOPP_DLL
592 #endif
593 
594 #if defined(CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES) && !defined(CRYPTOPP_IMPORTS)
595 #define CRYPTOPP_DLL_TEMPLATE_CLASS template class CRYPTOPP_DLL
596 #else
597 #define CRYPTOPP_DLL_TEMPLATE_CLASS CRYPTOPP_EXTERN_DLL_TEMPLATE_CLASS
598 #endif
599 
600 #if defined(__MWERKS__)
601 #define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS extern class
602 #elif defined(__BORLANDC__) || defined(__SUNPRO_CC)
603 #define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS template class
604 #else
605 #define CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS extern template class
606 #endif
607 
608 #if defined(CRYPTOPP_MANUALLY_INSTANTIATE_TEMPLATES) && !defined(CRYPTOPP_EXPORTS)
609 #define CRYPTOPP_STATIC_TEMPLATE_CLASS template class
610 #else
611 #define CRYPTOPP_STATIC_TEMPLATE_CLASS CRYPTOPP_EXTERN_STATIC_TEMPLATE_CLASS
612 #endif
613 
614 // ************** Unused variable ***************
615 
616 // Portable way to suppress warnings.
617 // Moved from misc.h due to circular depenedencies.
618 #define CRYPTOPP_UNUSED(x) ((void)x)
619 
620 // ***************** C++11 related ********************
621 
622 // Visual Studio began at VS2010, http://msdn.microsoft.com/en-us/library/hh567368%28v=vs.110%29.aspx.
623 // Intel and C++11 language features, http://software.intel.com/en-us/articles/c0x-features-supported-by-intel-c-compiler
624 // GCC and C++11 language features, http://gcc.gnu.org/projects/cxx0x.html
625 // Clang and C++11 language features, http://clang.llvm.org/cxx_status.html
626 #if (_MSC_VER >= 1600) || (__cplusplus >= 201103L)
627 # define CRYPTOPP_CXX11 1
628 #endif
629 
630 // Hack ahead. Apple's standard library does not have C++'s unique_ptr in C++11. We can't
631 // test for unique_ptr directly because some of the non-Apple Clangs on OS X fail the same
632 // way. However, modern standard libraries have <forward_list>, so we test for it instead.
633 // Thanks to Jonathan Wakely for devising the clever test for modern/ancient versions.
634 // TODO: test under Xcode 3, where g++ is really g++.
635 #if defined(__APPLE__) && defined(__clang__)
636 # if !(defined(__has_include) && __has_include(<forward_list>))
637 # undef CRYPTOPP_CXX11
638 # endif
639 #endif
640 
641 // C++11 or C++14 is available
642 #if defined(CRYPTOPP_CXX11)
643 
644 // alignof/alignas: MS at VS2013 (19.00); GCC at 4.8; Clang at 3.3; and Intel 15.0.
645 #if (CRYPTOPP_MSC_VERSION >= 1900)
646 # define CRYPTOPP_CXX11_ALIGNAS 1
647 # define CRYPTOPP_CXX11_ALIGNOF 1
648 #elif defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1500)
649 # define CRYPTOPP_CXX11_ALIGNAS 1
650 # define CRYPTOPP_CXX11_ALIGNOF 1
651 #elif defined(__clang__)
652 # if __has_feature(cxx_alignof)
653 # define CRYPTOPP_CXX11_ALIGNAS 1
654 # define CRYPTOPP_CXX11_ALIGNOF 1
655 # endif
656 #elif (CRYPTOPP_GCC_VERSION >= 40800)
657 # define CRYPTOPP_CXX11_ALIGNAS 1
658 # define CRYPTOPP_CXX11_ALIGNOF 1
659 #endif // alignof/alignas
660 
661 // noexcept: MS at VS2015 (19.00); GCC at 4.6; Clang at 3.0; and Intel 14.0.
662 #if (CRYPTOPP_MSC_VERSION >= 1900)
663 # define CRYPTOPP_CXX11_NOEXCEPT 1
664 #elif defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1400)
665 # define CRYPTOPP_CXX11_NOEXCEPT 1
666 #elif defined(__clang__)
667 # if __has_feature(cxx_noexcept)
668 # define CRYPTOPP_CXX11_NOEXCEPT 1
669 # endif
670 #elif (CRYPTOPP_GCC_VERSION >= 40600)
671 # define CRYPTOPP_CXX11_NOEXCEPT 1
672 #endif // noexcept compilers
673 
674 // variadic templates: MS at VS2013 (18.00); GCC at 4.3; Clang at 2.9; and Intel 12.1.
675 #if (CRYPTOPP_MSC_VERSION >= 1800)
676 # define CRYPTOPP_CXX11_VARIADIC_TEMPLATES 1
677 #elif defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1210)
678 # define CRYPTOPP_CXX11_VARIADIC_TEMPLATES 1
679 #elif defined(__clang__)
680 # if __has_feature(cxx_variadic_templates)
681 # define CRYPTOPP_CXX11_VARIADIC_TEMPLATES 1
682 # endif
683 #elif (CRYPTOPP_GCC_VERSION >= 40300)
684 # define CRYPTOPP_CXX11_VARIADIC_TEMPLATES 1
685 #endif // variadic templates
686 
687 // TODO: Emplacement, R-values and Move semantics
688 // Needed because we are catching warnings with GCC and MSC
689 
690 #endif // CRYPTOPP_CXX11
691 
692 #if defined(CRYPTOPP_CXX11_NOEXCEPT)
693 # define CRYPTOPP_THROW noexcept(false)
694 # define CRYPTOPP_NO_THROW noexcept(true)
695 #else
696 # define CRYPTOPP_THROW
697 # define CRYPTOPP_NO_THROW
698 #endif // CRYPTOPP_CXX11_NOEXCEPT
699 
700 // OK to comment the following out, but please report it so we can fix it.
701 #if (defined(__cplusplus) && (__cplusplus >= 199711L)) && !defined(CRYPTOPP_UNCAUGHT_EXCEPTION_AVAILABLE)
702 # error "std::uncaught_exception is not available. This is likely a configuration error."
703 #endif
704 
705 #endif
Crypto++ library namespace.