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/**
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* Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef MBEDTLS_BACKEND_AES_H__
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#define MBEDTLS_BACKEND_AES_H__
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/** @file
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*
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* @defgroup nrf_crypto_mbedtls_backend_aes nrf_crypto mbed TLS backend AES
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* @{
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* @ingroup nrf_crypto_mbedtls_backend
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*
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* @brief AES functionality provided by the nrf_crypto mbed TLS backend.
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*/
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#include "sdk_config.h"
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS)
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/*lint -save -e????*/
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#include "mbedtls/aes.h"
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#include "mbedtls/cmac.h"
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#include "mbedtls/platform.h"
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/*lint -restore*/
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#include "nrf_crypto_error.h"
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#include "nrf_crypto_types.h"
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#include "nrf_crypto_aes_shared.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* AES CBC */
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC)
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_AES_CBC)
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#error "Duplicate definition of AES CBC mode. More than one backend enabled");
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#endif
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/* Flag that AES CBC is enabled in backend */
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#define NRF_CRYPTO_AES_CBC_ENABLED 1
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#undef NRF_CRYPTO_AES_ENABLED
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#define NRF_CRYPTO_AES_ENABLED 1 // Flag that nrf_crypto_aes frontend can be compiled
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#undef NRF_CRYPTO_MBEDTLS_AES_ENABLED
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#define NRF_CRYPTO_MBEDTLS_AES_ENABLED 1
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/* defines for test purposes */
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#define NRF_CRYPTO_AES_CBC_128_ENABLED 1
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#define NRF_CRYPTO_AES_CBC_192_ENABLED 1
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#define NRF_CRYPTO_AES_CBC_256_ENABLED 1
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typedef struct
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{
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nrf_crypto_aes_internal_context_t header; /**< Common header for context. */
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nrf_crypto_backend_aes_ctx_t backend; /**< Backend-specific internal context. */
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mbedtls_aes_context context; /**< AES context internal to mbed TLS. */
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} nrf_crypto_backend_aes_cbc_context_t;
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#endif
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/* AES CTR */
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CTR)
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_AES_CTR)
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#error "Duplicate definition of AES CTR mode. More than one backend enabled");
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#endif
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#define NRF_CRYPTO_AES_CTR_ENABLED 1
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#undef NRF_CRYPTO_AES_ENABLED
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#define NRF_CRYPTO_AES_ENABLED 1 // Flag that nrf_crypto_aes frontend can be compiled
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#undef NRF_CRYPTO_MBEDTLS_AES_ENABLED
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#define NRF_CRYPTO_MBEDTLS_AES_ENABLED 1
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/* defines for test purposes */
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#define NRF_CRYPTO_AES_CTR_128_ENABLED 1
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#define NRF_CRYPTO_AES_CTR_192_ENABLED 1
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#define NRF_CRYPTO_AES_CTR_256_ENABLED 1
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typedef struct
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{
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nrf_crypto_aes_internal_context_t header; /**< Common header for context. */
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nrf_crypto_backend_aes_ctx_t backend; /**< Backend-specific internal context. */
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mbedtls_aes_context context; /**< AES context internal to mbed TLS. */
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} nrf_crypto_backend_aes_ctr_context_t;
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#endif
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/* AES CFB */
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CFB)
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_AES_CFB)
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#error "Duplicate definition of AES CFB mode. More than one backend enabled");
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#endif
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#define NRF_CRYPTO_AES_CFB_ENABLED 1
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#undef NRF_CRYPTO_AES_ENABLED
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#define NRF_CRYPTO_AES_ENABLED 1 // Flag that nrf_crypto_aes frontend can be compiled
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#undef NRF_CRYPTO_MBEDTLS_AES_ENABLED
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#define NRF_CRYPTO_MBEDTLS_AES_ENABLED 1
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/* defines for test purposes */
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#define NRF_CRYPTO_AES_CFB_128_ENABLED 1
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#define NRF_CRYPTO_AES_CFB_192_ENABLED 1
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#define NRF_CRYPTO_AES_CFB_256_ENABLED 1
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typedef struct
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{
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nrf_crypto_aes_internal_context_t header; /**< Common header for context. */
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nrf_crypto_backend_aes_ctx_t backend; /**< Backend-specific internal context. */
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mbedtls_aes_context context; /**< AES context internal to mbed TLS. */
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} nrf_crypto_backend_aes_cfb_context_t;
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#endif
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/* AES ECB */
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_ECB)
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_AES_ECB)
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#error "Duplicate definition of AES ECB mode. More than one backend enabled");
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#endif
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#define NRF_CRYPTO_AES_ECB_ENABLED 1
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#undef NRF_CRYPTO_AES_ENABLED
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#define NRF_CRYPTO_AES_ENABLED 1
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#undef NRF_CRYPTO_MBEDTLS_AES_ENABLED
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#define NRF_CRYPTO_MBEDTLS_AES_ENABLED 1
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/* defines for test purposes */
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#define NRF_CRYPTO_AES_ECB_128_ENABLED 1
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#define NRF_CRYPTO_AES_ECB_192_ENABLED 1
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#define NRF_CRYPTO_AES_ECB_256_ENABLED 1
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typedef struct
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{
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nrf_crypto_aes_internal_context_t header; /**< Common header for context. */
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nrf_crypto_backend_no_iv_aes_ctx_t backend; /**< Backend-specific internal context. */
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mbedtls_aes_context context; /**< AES context internal to mbed TLS. */
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} nrf_crypto_backend_aes_ecb_context_t;
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#endif
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/* AES CBC MAC */
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CBC_MAC)
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_AES_CBC_MAC)
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#error "Duplicate definition of AES CBC MAC mode. More than one backend enabled");
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#endif
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/* Flag that AES CBC MAC is enabled in backend */
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#define NRF_CRYPTO_AES_CBC_MAC_ENABLED 1
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#undef NRF_CRYPTO_AES_ENABLED
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#define NRF_CRYPTO_AES_ENABLED 1 // Flag that nrf_crypto_aes frontend can be compiled
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#undef NRF_CRYPTO_MBEDTLS_AES_ENABLED
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#define NRF_CRYPTO_MBEDTLS_AES_ENABLED 1
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/* defines for test purposes */
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#define NRF_CRYPTO_AES_CBC_MAC_128_ENABLED 1
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#define NRF_CRYPTO_AES_CBC_MAC_192_ENABLED 1
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#define NRF_CRYPTO_AES_CBC_MAC_256_ENABLED 1
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typedef struct
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{
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nrf_crypto_aes_internal_context_t header; /**< Common header for context. */
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nrf_crypto_backend_aes_ctx_t backend; /**< Backend-specific internal context. */
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mbedtls_aes_context context; /**< AES context internal to mbed TLS. */
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} nrf_crypto_backend_aes_cbc_mac_context_t;
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#endif
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/* AES CMAC */
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_AES_CMAC)
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_AES_CMAC)
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#error "Duplicate definition of AES CMAC mode. More than one backend enabled");
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#endif
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#define NRF_CRYPTO_AES_CMAC_ENABLED 1
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#undef NRF_CRYPTO_AES_ENABLED
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#define NRF_CRYPTO_AES_ENABLED 1 // Flag that nrf_crypto_aes frontend can be compiled
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#undef NRF_CRYPTO_MBEDTLS_AES_ENABLED
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#define NRF_CRYPTO_MBEDTLS_AES_ENABLED 1
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/* defines for test purposes */
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#define NRF_CRYPTO_AES_CMAC_128_ENABLED 1
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#define NRF_CRYPTO_AES_CMAC_192_ENABLED 1
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#define NRF_CRYPTO_AES_CMAC_256_ENABLED 1
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typedef struct
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{
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nrf_crypto_aes_internal_context_t header; /**< Common header for context. */
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nrf_crypto_backend_no_iv_aes_ctx_t backend; /**< Backend-specific internal context. */
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mbedtls_cipher_context_t context; /**< AES context internal to mbedtls. */
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} nrf_crypto_backend_aes_cmac_context_t;
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS)
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/** @} */
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#endif // MBEDTLS_BACKEND_AES_H__
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