mbedtls/include/polarssl/aesni.h

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/**
* \file aesni.h
*
* \brief AES-NI for hardware AES acceleration on some Intel processors
*
* Copyright (C) 2013, Brainspark B.V.
*
* This file is part of PolarSSL (http://www.polarssl.org)
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef POLARSSL_AESNI_H
#define POLARSSL_AESNI_H
#include "aes.h"
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#define POLARSSL_AESNI_AES 0x02000000u
#define POLARSSL_AESNI_CLMUL 0x00000002u
#if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) && \
( defined(__amd64__) || defined(__x86_64__) ) && \
! defined(POLARSSL_HAVE_X86_64)
#define POLARSSL_HAVE_X86_64
#endif
#if defined(POLARSSL_HAVE_X86_64)
/**
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* \brief AES-NI features detection routine
*
* \param what The feature to detect
* (POLARSSL_AESNI_AES or POLARSSL_AESNI_CLMUL)
*
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* \return 1 if CPU has support for the feature, 0 otherwise
*/
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int aesni_supports( unsigned int what );
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/**
* \brief AES-NI AES-ECB block en(de)cryption
*
* \param ctx AES context
* \param mode AES_ENCRYPT or AES_DECRYPT
* \param input 16-byte input block
* \param output 16-byte output block
*
* \return 0 if success, 1 if operation failed
*/
int aesni_crypt_ecb( aes_context *ctx,
int mode,
const unsigned char input[16],
unsigned char output[16] );
#endif /* POLARSSL_HAVE_X86_64 */
#endif /* POLARSSL_AESNI_H */