diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/nrf_hw/nrf_hw_backend_rng.c')
-rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/nrf_hw/nrf_hw_backend_rng.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/nrf_hw/nrf_hw_backend_rng.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/nrf_hw/nrf_hw_backend_rng.c new file mode 100644 index 0000000..e8331e1 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/nrf_hw/nrf_hw_backend_rng.c @@ -0,0 +1,101 @@ +/** + * Copyright (c) 2018 - 2018, 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. + * + */ + +#include "sdk_common.h" +#if NRF_MODULE_ENABLED(NRF_CRYPTO) && \ + NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG) && \ + !NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG_MBEDTLS_CTR_DRBG) + +#include "nrf_crypto_rng.h" +#include "nrf_drv_rng.h" + + +ret_code_t nrf_crypto_rng_backend_init(void * const p_context, + void * const p_temp_buffer) +{ + ret_code_t ret_val; + + UNUSED_PARAMETER(p_context); + UNUSED_PARAMETER(p_temp_buffer); + + ret_val = nrf_drv_rng_init(NULL); + + return ret_val; +} + + +ret_code_t nrf_crypto_rng_backend_uninit(void * const p_context) +{ + UNUSED_PARAMETER(p_context); + + nrf_drv_rng_uninit(); + + return NRF_SUCCESS; +} + + +ret_code_t nrf_crypto_rng_backend_vector_generate(void * const p_context, + uint8_t * const p_target, + size_t size, + bool use_mutex) +{ + UNUSED_PARAMETER(use_mutex); + UNUSED_PARAMETER(p_context); + + nrf_drv_rng_block_rand(p_target, size); + + return NRF_SUCCESS; +} + + +ret_code_t nrf_crypto_rng_backend_reseed(void * const p_context, + void * p_temp_buffer, + uint8_t * p_input_data, + size_t size) +{ + UNUSED_PARAMETER(p_context); + UNUSED_PARAMETER(p_temp_buffer); + UNUSED_PARAMETER(p_input_data); + UNUSED_PARAMETER(size); + + return NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE; +} + +#endif //NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG) && !NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG_MBEDTLS_CTR_DRBG) |