forked from KolibriOS/kolibrios
Rustem Gimadutdinov (rgimad)
748c187814
nothing new since january just upload so all devs can participate. git-svn-id: svn://kolibrios.org@8774 a494cfbc-eb01-0410-851d-a64ba20cac60
129 lines
3.9 KiB
C
129 lines
3.9 KiB
C
/**
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* \file padlock.h
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*
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* \brief VIA PadLock ACE for HW encryption/decryption supported by some
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* processors
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*
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* \warning These functions are only for internal use by other library
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* functions; you must not call them directly.
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*/
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/*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: GPL-2.0
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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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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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#ifndef MBEDTLS_PADLOCK_H
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#define MBEDTLS_PADLOCK_H
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#include "aes.h"
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#define MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED -0x0030 /**< Input data should be aligned. */
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#if defined(__has_feature)
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#if __has_feature(address_sanitizer)
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#define MBEDTLS_HAVE_ASAN
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#endif
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#endif
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/* Some versions of ASan result in errors about not enough registers */
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#if defined(MBEDTLS_HAVE_ASM) && defined(__GNUC__) && defined(__i386__) && \
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!defined(MBEDTLS_HAVE_ASAN)
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#ifndef MBEDTLS_HAVE_X86
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#define MBEDTLS_HAVE_X86
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#endif
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#include <stdint.h>
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#define MBEDTLS_PADLOCK_RNG 0x000C
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#define MBEDTLS_PADLOCK_ACE 0x00C0
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#define MBEDTLS_PADLOCK_PHE 0x0C00
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#define MBEDTLS_PADLOCK_PMM 0x3000
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#define MBEDTLS_PADLOCK_ALIGN16(x) (uint32_t *) (16 + ((int32_t) (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 Internal PadLock detection routine
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*
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* \note This function is only for internal use by other library
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* functions; you must not call it directly.
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*
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* \param feature 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 mbedtls_padlock_has_support( int feature );
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/**
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* \brief Internal PadLock AES-ECB block en(de)cryption
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*
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* \note This function is only for internal use by other library
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* functions; you must not call it directly.
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*
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* \param ctx AES context
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* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_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 mbedtls_padlock_xcryptecb( mbedtls_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 Internal PadLock AES-CBC buffer en(de)cryption
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*
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* \note This function is only for internal use by other library
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* functions; you must not call it directly.
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*
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* \param ctx AES context
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* \param mode MBEDTLS_AES_ENCRYPT or MBEDTLS_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 mbedtls_padlock_xcryptcbc( mbedtls_aes_context *ctx,
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int mode,
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size_t 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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