132 lines
4.1 KiB
C
132 lines
4.1 KiB
C
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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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#include "sdk_common.h"
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#if NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310)
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#include "nrf.h"
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#include "nrf_crypto_init.h"
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#include "cc310_backend_shared.h"
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#include "sns_silib.h"
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#include "cc310_backend_mutex.h"
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#include "nrf_crypto_rng.h"
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static uint32_t init_result_get(uint32_t crys_error)
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{
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uint32_t ret_val = NRF_ERROR_INTERNAL;
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switch (crys_error)
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{
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case CRYS_OK:
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ret_val = NRF_SUCCESS;
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break;
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default:
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ret_val = NRF_ERROR_INTERNAL;
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break;
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}
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return ret_val;
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}
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static ret_code_t cc310_backend_init(void)
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{
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uint32_t ret_val;
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CRYSError_t crys_error;
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cc310_backend_mutex_init();
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// Initialize the CC310 run-time library
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crys_error = SaSi_LibInit();
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ret_val = init_result_get(crys_error);
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VERIFY_SUCCESS(ret_val);
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#if defined(NRF_CRYPTO_RNG_AUTO_INIT_ENABLED) && (NRF_CRYPTO_RNG_AUTO_INIT_ENABLED == 1)
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ret_val = nrf_crypto_rng_init(NULL, NULL);
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VERIFY_SUCCESS(ret_val);
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#elif defined(NRF_CRYPTO_RNG_AUTO_INIT_ENABLED) && (NRF_CRYPTO_RNG_AUTO_INIT_ENABLED == 0)
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// Do nothing
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#else
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#warning NRF_CRYPTO_RNG_AUTO_INIT_ENABLED define not found in sdk_config.h (Is the sdk_config.h valid?).
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#endif // NRF_CRYPTO_RNG_AUTO_INIT_ENABLED
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return ret_val;
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}
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static ret_code_t cc310_backend_uninit(void)
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{
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#if defined(NRF_CRYPTO_RNG_AUTO_INIT_ENABLED) && (NRF_CRYPTO_RNG_AUTO_INIT_ENABLED == 1)
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uint32_t ret_val;
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ret_val = nrf_crypto_rng_init(NULL, NULL);
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VERIFY_SUCCESS(ret_val);
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#elif defined(NRF_CRYPTO_RNG_AUTO_INIT_ENABLED) && (NRF_CRYPTO_RNG_AUTO_INIT_ENABLED == 0)
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// Do nothing
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#else
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#warning NRF_CRYPTO_RNG_AUTO_INIT_ENABLED define not found in sdk_config.h (Is the sdk_config.h valid?).
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#endif // NRF_CRYPTO_RNG_AUTO_INIT_ENABLED
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SaSi_LibFini();
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return NRF_SUCCESS;
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}
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CRYPTO_BACKEND_REGISTER(nrf_crypto_backend_info_t const cc310_backend) =
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{
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.init_fn = cc310_backend_init,
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.uninit_fn = cc310_backend_uninit,
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};
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#endif // NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310)
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