98 lines
3.3 KiB
C
98 lines
3.3 KiB
C
/**
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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 CC310_BACKEND_RNG_H__
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#define CC310_BACKEND_RNG_H__
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/** @file
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*
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* @defgroup nrf_crypto_cc310_backend_rng nRF Crypto CC310 RNG backend
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* @{
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* @ingroup nrf_crypto_cc310_backend
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*
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* @brief RNG functionality provided by the nrf_crypto CC310 backend.
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*/
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#include "sdk_common.h"
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310)
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_RNG)
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#include "nrf_crypto_rng_shared.h"
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#include "crys_rnd.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if NRF_MODULE_ENABLED(NRF_CRYPTO_RNG)
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#error "More than one RNG backend enabled."
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#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_RNG)
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#define NRF_CRYPTO_RNG_ENABLED 1
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/**
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* @internal @brief Internal context for CC310 RNG.
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*/
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typedef struct
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{
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nrf_crypto_rng_internal_context_t header; //!< Internal common context header.
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CRYS_RND_State_t crys_rnd_state; //!< CC310 RNG context
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} nrf_crypto_backend_rng_context_t;
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/**
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* @internal @brief Temporary work buffer needed during initialization of the CC310 backend.
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*/
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typedef CRYS_RND_WorkBuff_t nrf_crypto_backend_rng_temp_buffer_t;
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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_CC310_RNG)
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#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310)
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/**@} */
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#endif // CC310_BACKEND_RNG_H__
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