/** * Copyright (c) 2017 - 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 CC310_BACKEND_SHARED_H__ #define CC310_BACKEND_SHARED_H__ /** @file * * @defgroup nrf_crypto_cc310_backend_shared nrf_crypto CC310 backend shared * @{ * @ingroup nrf_crypto_cc310_backend * * @brief Shared functionality for the nrf_crypto CC310 backend. */ #ifdef __cplusplus extern "C" { #endif /**@internal @brief Macro definition for largest possible input data on CC310 DMA. */ #define CC310_MAX_LENGTH_DMA_OPERATIONS (0xFFFF) #define CC310_MAX_LENGTH_DMA_AES_OPERATIONS (0xFFF0) /**@internal @brief Function to pass to CC310 library API as random number generator. It uses * nrf_crypto libary frontend API to generate random number. * @param[in,out] p_state Unused. Required by CC310 library API. * @param[in] size Number of bytes in generated vector. * @param[out] p_data Place where generated bytes will be written. */ uint32_t nrf_crypto_backend_cc310_rng(void * p_state, uint16_t size, uint8_t * p_data); #ifdef __cplusplus } #endif /**@} */ #endif // CC310_BACKEND_SHARED_H__