/**
 * Copyright (c) 2017 - 2020, Nordic Semiconductor ASA
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 *    Semiconductor ASA integrated circuit in a product or a software update for
 *    such product, must reproduce the above copyright notice, this list of
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 *    software without specific prior written permission.
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 * 4. This software, with or without modification, must only be used with a
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 */

#include "sdk_common.h"
#if NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310)

#include "nrf.h"
#include "cc310_backend_shared.h"
#include "nrf_crypto_error.h"
#include "nrf_crypto_rng.h"
#include "crys_rnd_error.h"
#include "nrf_crypto_shared.h"
#include "cc310_backend_shared.h"

uint32_t nrf_crypto_backend_cc310_rng(void * p_state, uint16_t size, uint8_t * p_data)
{
#if defined(NRF_CRYPTO_RNG_ENABLED) && (NRF_CRYPTO_RNG_ENABLED == 1)

    ret_code_t result = nrf_crypto_rng_vector_generate_no_mutex(p_data, (size_t)size);
    if (result == NRF_SUCCESS)
    {
        return CRYS_OK;
    }
    else if (result == NRF_ERROR_CRYPTO_CONTEXT_NOT_INITIALIZED)
    {
        return CRYS_RND_INSTANTIATION_NOT_DONE_ERROR;
    }
    else
    {
        return CRYS_RND_IS_NOT_SUPPORTED;
    }

#elif defined(NRF_CRYPTO_RNG_ENABLED) && (NRF_CRYPTO_RNG_ENABLED == 0)

    return NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE;

#else

    #warning NRF_CRYPTO_RNG_ENABLED define not found in sdk_config.h (Is the sdk_config.h valid?).

#endif // NRF_CRYPTO_RNG_ENABLED
}


#endif // NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310)
