udp2raw/lib/aes_acc/aesarm.h

85 lines
2.1 KiB
C

/*
* This file is adapted from https://github.com/CriticalBlue/mbedtls
*/
/**
* \file aes_armv8a_ce.h
*
* \brief AES support functions using the ARMv8-A Cryptography Extension for
* hardware acceleration on some ARM processors.
*
* Copyright (C) 2016, CriticalBlue Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#ifndef UDP2RAW_AESARM_H_
#define UDP2RAW_AESARM_H_
#ifndef AES_ENCRYPT
#define AES_ENCRYPT 1
#endif
#ifndef AES_DECRYPT
#define AES_DECRYPT 0
#endif
#if defined(__GNUC__) && \
__ARM_ARCH >= 8 && \
__ARM_ARCH_PROFILE == 'A' && \
defined(__aarch64__) && \
defined(__ARM_FEATURE_CRYPTO) && \
defined(__linux__) && \
!defined(NO_AESACC)
#define HAVE_ARM64
#endif
#if defined(HAVE_ARM64)
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief ARMv8-A features detection routine
*
* \return 1 if the CPU has support for the feature, 0 otherwise
*/
int aesarm_supported( void );
/**
* \brief AES ARMv8-A Cryptography Extension AES-ECB block en(de)cryption
*
* \param nr number of rounds
* \param rk AES round keys
* \param mode AESARM_ENCRYPT or AESARM_DECRYPT
* \param input 16-byte input block
* \param output 16-byte output block
*/
void aesarm_crypt_ecb( int nr,
unsigned char *rk,
int mode,
const unsigned char input[16],
unsigned char output[16] );
#ifdef __cplusplus
}
#endif
#endif /* HAVE_ARM64 */
#endif /* _AESARM_H_ */