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/*
Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301 USA.
*/
/* based on Wei Dai's misc.h from CryptoPP, basic crypt types */
#ifndef TAO_CRYPT_TYPES_HPP
#define TAO_CRYPT_TYPES_HPP
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
namespace TaoCrypt {
#if defined(WORDS_BIGENDIAN) || (defined(__MWERKS__) && !defined(__INTEL__))
#define BIG_ENDIAN_ORDER
#endif
#ifndef BIG_ENDIAN_ORDER
#define LITTLE_ENDIAN_ORDER
#endif
typedef unsigned char byte;
typedef unsigned short word16;
typedef unsigned int word32;
#if defined(_MSC_VER) || defined(__BCPLUSPLUS__)
#define WORD64_AVAILABLE
#define WORD64_IS_DISTINCT_TYPE
typedef unsigned __int64 word64;
#define W64LIT(x) x##ui64
#elif SIZEOF_LONG == 8
#define WORD64_AVAILABLE
typedef unsigned long word64;
#define W64LIT(x) x##LL
#elif SIZEOF_LONG_LONG == 8
#define WORD64_AVAILABLE
#define WORD64_IS_DISTINCT_TYPE
typedef unsigned long long word64;
#define W64LIT(x) x##LL
#endif
// compilers we've found 64-bit multiply insructions for
#if defined(__GNUC__) || defined(_MSC_VER) || defined(__DECCXX)
#if !(defined(__ICC) || defined(__INTEL_COMPILER))
#define HAVE_64_MULTIPLY
#endif
#endif
#if defined(HAVE_64_MULTIPLY) && (defined(__ia64__) \
|| defined(_ARCH_PPC64) || defined(__mips64) || defined(__x86_64__) \
|| defined(_M_X64) || defined(_M_IA64))
// These platforms have 64-bit CPU registers. Unfortunately most C++ compilers
// don't allow any way to access the 64-bit by 64-bit multiply instruction
// without using assembly, so in order to use word64 as word, the assembly
// instruction must be defined in Dword::Multiply().
typedef word32 hword;
typedef word64 word;
#else
#define TAOCRYPT_NATIVE_DWORD_AVAILABLE
#ifdef WORD64_AVAILABLE
#define TAOCRYPT_SLOW_WORD64
typedef word16 hword;
typedef word32 word;
typedef word64 dword;
#else
typedef byte hword;
typedef word16 word;
typedef word32 dword;
#endif
#endif
const word32 WORD_SIZE = sizeof(word);
const word32 WORD_BITS = WORD_SIZE * 8;
} // namespace
#endif // TAO_CRYPT_TYPES_HPP
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