94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/**
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* \file padlock.h
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*
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* Copyright (C) 2006-2009, Paul Bakker <polarssl_maintainer at polarssl.org>
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* All rights reserved.
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*
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* Joined copyright on original XySSL code with: Christophe Devine
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef POLARSSL_PADLOCK_H
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#define POLARSSL_PADLOCK_H
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#include "polarssl/aes.h"
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#if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) && defined(__i386__)
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#ifndef POLARSSL_HAVE_X86
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#define POLARSSL_HAVE_X86
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#endif
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#define PADLOCK_RNG 0x000C
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#define PADLOCK_ACE 0x00C0
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#define PADLOCK_PHE 0x0C00
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#define PADLOCK_PMM 0x3000
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#define PADLOCK_ALIGN16(x) (unsigned long *) (16 + ((long) x & ~15))
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief PadLock detection routine
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*
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* \param The feature to detect
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*
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* \return 1 if CPU has support for the feature, 0 otherwise
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*/
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int padlock_supports( int feature );
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/**
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* \brief PadLock AES-ECB block en(de)cryption
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*
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* \param ctx AES context
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* \param mode AES_ENCRYPT or AES_DECRYPT
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* \param input 16-byte input block
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* \param output 16-byte output block
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*
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* \return 0 if success, 1 if operation failed
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*/
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int padlock_xcryptecb( aes_context *ctx,
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int mode,
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const unsigned char input[16],
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unsigned char output[16] );
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/**
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* \brief PadLock AES-CBC buffer en(de)cryption
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*
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* \param ctx AES context
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* \param mode AES_ENCRYPT or AES_DECRYPT
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* \param length length of the input data
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* \param iv initialization vector (updated after use)
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* \param input buffer holding the input data
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* \param output buffer holding the output data
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*
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* \return 0 if success, 1 if operation failed
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*/
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int padlock_xcryptcbc( aes_context *ctx,
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int mode,
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int length,
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unsigned char iv[16],
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const unsigned char *input,
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unsigned char *output );
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#ifdef __cplusplus
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}
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#endif
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#endif /* HAVE_X86 */
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#endif /* padlock.h */
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