/* Derived from source code of TrueCrypt 7.1a, which is Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed by the TrueCrypt License 3.0. Modifications and additions to the original source code (contained in this file) and all other portions of this file are Copyright (c) 2013-2017 IDRIX and are governed by the Apache License 2.0 the full text of which is contained in the file License.txt included in VeraCrypt binary and source code distribution packages. */ #include "../Common/Dictionary.h" #include #include #include using namespace std; static map StringKeyMap; static map IntKeyMap; static void *DataPool = NULL; static size_t DataPoolSize = 0; void AddDictionaryEntry (char *key, int intKey, void *value) { try { if (key) StringKeyMap[key] = value; if (intKey != 0) IntKeyMap[intKey] = value; } catch (exception&) {} } void *GetDictionaryValue (const char *key) { map ::const_iterator i = StringKeyMap.find (key); if (i == StringKeyMap.end()) return NULL; return i->second; } void *GetDictionaryValueByInt (int intKey) { map ::const_iterator i = IntKeyMap.find (intKey); if (i == IntKeyMap.end()) return NULL; return i->second; } void *AddPoolData (void *data, size_t dataSize) { if (DataPoolSize + dataSize > DATA_POOL_CAPACITY) return NULL; if (DataPool == NULL) { DataPool = malloc (DATA_POOL_CAPACITY); if (DataPool == NULL) return NULL; } memcpy ((BYTE *)DataPool + DataPoolSize, data, dataSize); // Ensure 32-bit alignment for next entries dataSize = (dataSize + 3) & (~(size_t)3); DataPoolSize += dataSize; return (BYTE *)DataPool + DataPoolSize - dataSize; } void ClearDictionaryPool () { DataPoolSize = 0; StringKeyMap.clear(); IntKeyMap.clear(); }078a4'>treecommitdiff
blob: 47d0288a8a38e87d9cab079b649eaa0a0ead36aa (plain)
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#ifndef CRYPTOPP_MISC_H
#define CRYPTOPP_MISC_H

#include "config.h"
#if !defined(_UEFI)
#include <string.h>		// for memcpy and memmove
#ifndef _WIN32
#include <strings.h> // for strcasecmp
#define _stricmp strcasecmp
#endif
#else
#include "Tcdefs.h"
#endif // !defined(_UEFI)

#ifdef  __cplusplus
extern "C" {
#endif

#if defined(_MSC_VER) && !defined(_UEFI)
	#if _MSC_VER >= 1400
		#if !defined(TC_WINDOWS_DRIVER) && !defined(_UEFI)
			// VC2005 workaround: disable declarations that conflict with winnt.h
			#define _interlockedbittestandset CRYPTOPP_DISABLED_INTRINSIC_1
			#define _interlockedbittestandreset CRYPTOPP_DISABLED_INTRINSIC_2
			#define _interlockedbittestandset64 CRYPTOPP_DISABLED_INTRINSIC_3
			#define _interlockedbittestandreset64 CRYPTOPP_DISABLED_INTRINSIC_4
			#include <intrin.h>
			#undef _interlockedbittestandset
			#undef _interlockedbittestandreset
			#undef _interlockedbittestandset64
			#undef _interlockedbittestandreset64
		#endif
		#define CRYPTOPP_FAST_ROTATE(x) 1
	#elif !defined(_UEFI) &&  _MSC_VER >= 1300
		#define CRYPTOPP_FAST_ROTATE(x) ((x) == 32 | (x) == 64)
	#else
		#define CRYPTOPP_FAST_ROTATE(x) ((x) == 32)
	#endif
#elif (defined(__MWERKS__) && TARGET_CPU_PPC) || \
	(defined(__GNUC__) && (defined(_ARCH_PWR2) || defined(_ARCH_PWR) || defined(_ARCH_PPC) || defined(_ARCH_PPC64) || defined(_ARCH_COM)))
	#define CRYPTOPP_FAST_ROTATE(x) ((x) == 32)
#elif defined(__GNUC__) && (CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X86)	// depend on GCC's peephole optimization to generate rotate instructions
	#define CRYPTOPP_FAST_ROTATE(x) 1
#else
	#define CRYPTOPP_FAST_ROTATE(x) 0
#endif

#if defined( _MSC_VER ) && ( _MSC_VER > 800 ) && !defined(_UEFI)
#pragma intrinsic(memcpy,memset)
#endif

#if _MSC_VER >= 1300 && !defined(__INTEL_COMPILER)
// Intel C++ Compiler 10.0 calls a function instead of using the rotate instruction when using these instructions
#pragma intrinsic(_rotr,_rotl,_rotr64,_rotl64)

#define rotr32(x,n)	_rotr(x, n)
#define rotl32(x,n)	_rotl(x, n)
#define rotr64(x,n)	_rotr64(x, n)
#define rotl64(x,n)	_rotl64(x, n)

#else

#define rotr32(x,n)	(((x) >> n) | ((x) << (32 - n)))
#define rotl32(x,n)	(((x) << n) | ((x) >> (32 - n)))
#define rotr64(x,n)	(((x) >> n) | ((x) << (64 - n)))
#define rotl64(x,n)	(((x) << n) | ((x) >> (64 - n)))

#endif

#if _MSC_VER >= 1400 && !defined(__INTEL_COMPILER)
// Intel C++ Compiler 10.0 calls a function instead of using the rotate instruction when using these instructions
#pragma intrinsic(_rotr8,_rotl8,_rotr16,_rotl16)

#define rotr8(x,n)	_rotr8(x, n)
#define rotl8(x,n)	_rotl8(x, n)
#define rotr16(x,n)	_rotr16(x, n)
#define rotl16(x,n)	_rotl16(x, n)

#else

#define rotr8(x,n)	(((x) >> n) | ((x) << (8 - n)))
#define rotl8(x,n)	(((x) << n) | ((x) >> (8 - n)))
#define rotr16(x,n)	(((x) >> n) | ((x) << (16 - n)))
#define rotl16(x,n)	(((x) << n) | ((x) >> (16 - n)))

#endif

#if defined(__GNUC__) && defined(__linux__)
#define CRYPTOPP_BYTESWAP_AVAILABLE
#include <byteswap.h>
#elif defined(_MSC_VER) && _MSC_VER >= 1300 && !defined(_UEFI)
#pragma intrinsic(_byteswap_ulong,_byteswap_uint64)
#define CRYPTOPP_BYTESWAP_AVAILABLE
#define bswap_32(x)	_byteswap_ulong(x)
#define bswap_64(x)	_byteswap_uint64(x)
#elif defined(__APPLE__)
#include <libkern/OSByteOrder.h>
#define CRYPTOPP_BYTESWAP_AVAILABLE
#define bswap_16 OSSwapInt16
#define bswap_32 OSSwapInt32
#define bswap_64 OSSwapInt64
#else
#if CRYPTOPP_FAST_ROTATE(32)
#define bswap_32(x)	(rotr32((x), 8U) & 0xff00ff00) | (rotl32((x), 8U) & 0x00ff00ff)
#else
#define CRYPTOPP_BYTESWAP_AVAILABLE
#define bswap_32(x)	(rotl32((((x) & 0xFF00FF00) >> 8) | (((x) & 0x00FF00FF) << 8), 16U))
#define bswap_64(x)	rotl64(((((((x & LL(0xFF00FF00FF00FF00)) >> 8) | ((x & LL(0x00FF00FF00FF00FF)) << 8)) & LL(0xFFFF0000FFFF0000)) >> 16) | (((((x & LL(0xFF00FF00FF00FF00)) >> 8) | ((x & LL(0x00FF00FF00FF00FF)) << 8)) & LL(0x0000FFFF0000FFFF)) << 16)), 32U)
#endif
#ifndef TC_NO_COMPILER_INT64
#define bswap_64(x)	rotl64(((((((x & LL(0xFF00FF00FF00FF00)) >> 8) | ((x & LL(0x00FF00FF00FF00FF)) << 8)) & LL(0xFFFF0000FFFF0000)) >> 16) | (((((x & LL(0xFF00FF00FF00FF00)) >> 8) | ((x & LL(0x00FF00FF00FF00FF)) << 8)) & LL(0x0000FFFF0000FFFF)) << 16)), 32U)
#endif
#endif

VC_INLINE uint32 ByteReverseWord32 (uint32 value)
{
#if defined(__GNUC__) && defined(CRYPTOPP_X86_ASM_AVAILABLE)
	__asm__ ("bswap %0" : "=r" (value) : "0" (value));
	return value;
#elif defined(CRYPTOPP_BYTESWAP_AVAILABLE)
	return bswap_32(value);
#elif defined(__MWERKS__) && TARGET_CPU_PPC
	return (uint32)__lwbrx(&value,0);
#elif _MSC_VER >= 1400 || (_MSC_VER >= 1300 && !defined(_DLL))
	return _byteswap_ulong(value);
#elif CRYPTOPP_FAST_ROTATE(32)
	// 5 instructions with rotate instruction, 9 without
	return (rotr32(value, 8U) & 0xff00ff00) | (rotl32(value, 8U) & 0x00ff00ff);
#else
	// 6 instructions with rotate instruction, 8 without
	value = ((value & 0xFF00FF00) >> 8) | ((value & 0x00FF00FF) << 8);
	return rotl32(value, 16U);
#endif
}

#ifndef TC_NO_COMPILER_INT64

VC_INLINE uint64 ByteReverseWord64(uint64 value)
{
#if defined(__GNUC__) && defined(CRYPTOPP_X86_ASM_AVAILABLE) && defined(__x86_64__)
	__asm__ ("bswap %0" : "=r" (value) : "0" (value));
	return value;
#elif defined(CRYPTOPP_BYTESWAP_AVAILABLE)
	return bswap_64(value);
#elif defined(_MSC_VER) && _MSC_VER >= 1300
	return _byteswap_uint64(value);
#else
	value = ((value & LL(0xFF00FF00FF00FF00)) >> 8) | ((value & LL(0x00FF00FF00FF00FF)) << 8);
	value = ((value & LL(0xFFFF0000FFFF0000)) >> 16) | ((value & LL(0x0000FFFF0000FFFF)) << 16);
	return rotl64(value, 32U);
#endif
}

VC_INLINE void CorrectEndianess(uint64 *out, const uint64 *in, size_t byteCount)

{
	size_t i, count = byteCount/sizeof(uint64);
	for (i=0; i<count; i++)
		out[i] = ByteReverseWord64(in[i]);
}

#endif

#ifdef CRYPTOPP_ALLOW_UNALIGNED_DATA_ACCESS
	#define GetAlignmentOf(T) 1
#elif (_MSC_VER >= 1300)
	#define GetAlignmentOf(T) __alignof(T)
#elif defined(__GNUC__)
	#define GetAlignmentOf(T) __alignof__(T)
#else
	#define GetAlignmentOf(T) sizeof(T)
#endif

#define IsPowerOf2(n)	(((n) > 0) && (((n) & ((n)-1)) == 0))

#define ModPowerOf2(a,b)	((a) & ((b)-1))

#define IsAlignedOn(p,alignment) ((alignment==1) || (IsPowerOf2(alignment) ? ModPowerOf2((size_t)p, alignment) == 0 : (size_t)p % alignment == 0))

#define IsAligned16(p)	IsAlignedOn(p, GetAlignmentOf(uint64))

#ifdef  __cplusplus
}
#endif

#endif