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- /**
- * Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form, except as embedded into a Nordic
- * Semiconductor ASA integrated circuit in a product or a software update for
- * such product, must reproduce the above copyright notice, this list of
- * conditions and the following disclaimer in the documentation and/or other
- * materials provided with the distribution.
- *
- * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * 4. This software, with or without modification, must only be used with a
- * Nordic Semiconductor ASA integrated circuit.
- *
- * 5. Any software provided in binary form under this license must not be reverse
- * engineered, decompiled, modified and/or disassembled.
- *
- * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
- #ifndef NRF_HW_BACKEND_RNG_H__
- #define NRF_HW_BACKEND_RNG_H__
- /** @file
- *
- * @defgroup nrf_crypto_nrf_hw_backend_rng nrf_crypto HW RNG backend
- * @{
- * @ingroup nrf_crypto_backends
- *
- * @brief RNG functionality provided by the nrf_crypto nRF HW RNG backend.
- */
- #include "sdk_common.h"
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG) && \
- !NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG_MBEDTLS_CTR_DRBG)
- #if !NRF_MODULE_ENABLED(RNG)
- #error Enable RNG_ENABLED in sdk_config.h.
- #endif
- #if !NRFX_RNG_CONFIG_ERROR_CORRECTION
- #error Enable NRFX_RNG_CONFIG_ERROR_CORRECTION and RNG_CONFIG_ERROR_CORRECTION in sdk_config.h.
- #endif
- #include "nrf_crypto_rng_shared.h"
- #ifdef __cplusplus
- extern "C" {
- #endif
- #if NRF_MODULE_ENABLED(NRF_CRYPTO_RNG)
- #error "More than one RNG backend enabled."
- #endif // NRF_MODULE_ENABLED(NRF_CRYPTO_RNG)
- #define NRF_CRYPTO_RNG_ENABLED 1
- /**
- * @internal @brief Context for nRF RNG peripheral.
- */
- typedef struct
- {
- nrf_crypto_rng_internal_context_t header; //!< Internal common context header.
- } nrf_crypto_backend_rng_context_t;
- /**
- * @internal @brief Dummy temp buffer for nRF RNG peripheral.
- */
- typedef struct
- {
- uint32_t reserved;
- } nrf_crypto_backend_rng_temp_buffer_t;
- #ifdef __cplusplus
- }
- #endif
- #endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG) && !NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG_MBEDTLS_CTR_DRBG)
- /**@} */
- #endif // NRF_HW_BACKEND_RNG_H__
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