third_party/NordicSemiconductor/libraries/crypto/aes_alt_cc310.h

/*
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 *     derived from this software without specific prior written permission.
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 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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/*
 *  Copyright (C) 2006-2015, ARM 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
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 */

#ifndef AES_ALT_CC310_H
#define AES_ALT_CC310_H

#include <stddef.h>
#include <stdint.h>

#ifdef MBEDTLS_AES_ALT

#include "ssi_aes.h"
#include "aes_alt.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief Initialize AES context
 *
 * @param[in,out] ctx AES context to be initialized
 */
void aes_cc310_init(mbedtls_aes_context * ctx);

/**
 * @brief Clear AES context
 *
 * @param[in,out] ctx AES context to be cleared
 */
void aes_cc310_free(mbedtls_aes_context * ctx);

/**
 * @brief AES key schedule (encryption)
 *
 * @param[in,out] ctx     AES context to be initialized
 * @param[in]     key     encryption key
 * @param[in]     keybits must be 128, 192 or 256
 *
 * @return 0 if successful
 */
int aes_cc310_setkey_enc(mbedtls_aes_context * ctx,
                         const unsigned char * key,
                         unsigned int          keybits);

/**
 * @brief AES-ECB block encryption/decryption
 *
 * @param[in,out] ctx    AES context
 * @param[in]     mode   MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
 * @param[in]     input  16-byte input block
 * @param[out]    output 16-byte output block
 *
 * @return 0 if successful
 */
int aes_cc310_crypt_ecb(mbedtls_aes_context * ctx,
                        int                   mode,
                        const unsigned char   input[16],
                        unsigned char         output[16]);

#ifdef __cplusplus
}
#endif

#endif /* MBEDTLS_AES_ALT */

#endif /* AES_ALT_CC310_H */