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authorAlexander Harkness <bearbin@gmail.com>2013-11-24 15:21:13 +0100
committerAlexander Harkness <bearbin@gmail.com>2013-11-24 15:21:13 +0100
commit3438e5d3ddf8444f0e31009ffbe8237ef3752c22 (patch)
tree7c2f76d5e9281c130e60fb932c4dda89a49863b6 /CryptoPP/misc.cpp
parentMoved source to src (diff)
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Diffstat (limited to 'CryptoPP/misc.cpp')
-rw-r--r--CryptoPP/misc.cpp189
1 files changed, 0 insertions, 189 deletions
diff --git a/CryptoPP/misc.cpp b/CryptoPP/misc.cpp
deleted file mode 100644
index 93760e3a3..000000000
--- a/CryptoPP/misc.cpp
+++ /dev/null
@@ -1,189 +0,0 @@
-// misc.cpp - written and placed in the public domain by Wei Dai
-
-#include "pch.h"
-
-#ifndef CRYPTOPP_IMPORTS
-
-#include "misc.h"
-#include "words.h"
-#include <new>
-
-#if defined(CRYPTOPP_MEMALIGN_AVAILABLE) || defined(CRYPTOPP_MM_MALLOC_AVAILABLE) || defined(QNX)
-#include <malloc.h>
-#endif
-
-NAMESPACE_BEGIN(CryptoPP)
-
-void xorbuf(byte *buf, const byte *mask, size_t count)
-{
- size_t i;
-
- if (IsAligned<word32>(buf) && IsAligned<word32>(mask))
- {
- if (!CRYPTOPP_BOOL_SLOW_WORD64 && IsAligned<word64>(buf) && IsAligned<word64>(mask))
- {
- for (i=0; i<count/8; i++)
- ((word64*)buf)[i] ^= ((word64*)mask)[i];
- count -= 8*i;
- if (!count)
- return;
- buf += 8*i;
- mask += 8*i;
- }
-
- for (i=0; i<count/4; i++)
- ((word32*)buf)[i] ^= ((word32*)mask)[i];
- count -= 4*i;
- if (!count)
- return;
- buf += 4*i;
- mask += 4*i;
- }
-
- for (i=0; i<count; i++)
- buf[i] ^= mask[i];
-}
-
-void xorbuf(byte *output, const byte *input, const byte *mask, size_t count)
-{
- size_t i;
-
- if (IsAligned<word32>(output) && IsAligned<word32>(input) && IsAligned<word32>(mask))
- {
- if (!CRYPTOPP_BOOL_SLOW_WORD64 && IsAligned<word64>(output) && IsAligned<word64>(input) && IsAligned<word64>(mask))
- {
- for (i=0; i<count/8; i++)
- ((word64*)output)[i] = ((word64*)input)[i] ^ ((word64*)mask)[i];
- count -= 8*i;
- if (!count)
- return;
- output += 8*i;
- input += 8*i;
- mask += 8*i;
- }
-
- for (i=0; i<count/4; i++)
- ((word32*)output)[i] = ((word32*)input)[i] ^ ((word32*)mask)[i];
- count -= 4*i;
- if (!count)
- return;
- output += 4*i;
- input += 4*i;
- mask += 4*i;
- }
-
- for (i=0; i<count; i++)
- output[i] = input[i] ^ mask[i];
-}
-
-bool VerifyBufsEqual(const byte *buf, const byte *mask, size_t count)
-{
- size_t i;
- byte acc8 = 0;
-
- if (IsAligned<word32>(buf) && IsAligned<word32>(mask))
- {
- word32 acc32 = 0;
- if (!CRYPTOPP_BOOL_SLOW_WORD64 && IsAligned<word64>(buf) && IsAligned<word64>(mask))
- {
- word64 acc64 = 0;
- for (i=0; i<count/8; i++)
- acc64 |= ((word64*)buf)[i] ^ ((word64*)mask)[i];
- count -= 8*i;
- if (!count)
- return acc64 == 0;
- buf += 8*i;
- mask += 8*i;
- acc32 = word32(acc64) | word32(acc64>>32);
- }
-
- for (i=0; i<count/4; i++)
- acc32 |= ((word32*)buf)[i] ^ ((word32*)mask)[i];
- count -= 4*i;
- if (!count)
- return acc32 == 0;
- buf += 4*i;
- mask += 4*i;
- acc8 = byte(acc32) | byte(acc32>>8) | byte(acc32>>16) | byte(acc32>>24);
- }
-
- for (i=0; i<count; i++)
- acc8 |= buf[i] ^ mask[i];
- return acc8 == 0;
-}
-
-#if !(defined(_MSC_VER) && (_MSC_VER < 1300)) && !defined(ANDROID_NDK)
-using std::new_handler;
-using std::set_new_handler;
-#endif
-
-void CallNewHandler()
-{
-#if !defined(ANDROID_NDK)
- new_handler newHandler = set_new_handler(NULL);
- if (newHandler)
- set_new_handler(newHandler);
-
- if (newHandler)
- newHandler();
- else
- throw std::bad_alloc();
-#endif
-}
-
-#if CRYPTOPP_BOOL_ALIGN16_ENABLED
-
-void * AlignedAllocate(size_t size)
-{
- byte *p;
-#ifdef CRYPTOPP_MM_MALLOC_AVAILABLE
- while (!(p = (byte *)_mm_malloc(size, 16)))
-#elif defined(CRYPTOPP_MEMALIGN_AVAILABLE)
- while (!(p = (byte *)memalign(16, size)))
-#elif defined(CRYPTOPP_MALLOC_ALIGNMENT_IS_16)
- while (!(p = (byte *)malloc(size)))
-#else
- while (!(p = (byte *)malloc(size + 16)))
-#endif
- CallNewHandler();
-
-#ifdef CRYPTOPP_NO_ALIGNED_ALLOC
- size_t adjustment = 16-((size_t)p%16);
- p += adjustment;
- p[-1] = (byte)adjustment;
-#endif
-
- assert(IsAlignedOn(p, 16));
- return p;
-}
-
-void AlignedDeallocate(void *p)
-{
-#ifdef CRYPTOPP_MM_MALLOC_AVAILABLE
- _mm_free(p);
-#elif defined(CRYPTOPP_NO_ALIGNED_ALLOC)
- p = (byte *)p - ((byte *)p)[-1];
- free(p);
-#else
- free(p);
-#endif
-}
-
-#endif
-
-void * UnalignedAllocate(size_t size)
-{
- void *p;
- while (!(p = malloc(size)))
- CallNewHandler();
- return p;
-}
-
-void UnalignedDeallocate(void *p)
-{
- free(p);
-}
-
-NAMESPACE_END
-
-#endif