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72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
/*
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* Copyright (C) 2021 HAW Hamburg
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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#pragma once
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/**
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* @ingroup pkg_driver_cryptocell_310
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* @{
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*
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* @file
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* @brief Utility functions to setup and terminate the CryptoCell 310 driver
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*
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* @author Lena Boeckmann <lena.boeckmann@haw-hamburg.de>
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*
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Enable CryptoCell module and IRQs.
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*
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* Must be called before using crypto functions.
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* CryptoCell peripheral will be enabled after this call.
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*/
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void cryptocell_310_enable(void);
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/**
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* @brief Disable CryptoCell module and IRQs.
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*
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* Should be called after using crypto functions.
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* CryptoCell peripheral will be disabled after this call.
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*/
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void cryptocell_310_disable(void);
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/**
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* @brief Check whether the given data resides in RAM
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*
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* Should be called on every const input that will be passed
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* on to the CryptoCell peripheral.
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*/
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static inline bool cryptocell_310_data_within_ram(const uint8_t* data)
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{
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return ((int)data >= CPU_RAM_BASE && (int)data < CPU_RAM_BASE + CPU_RAM_SIZE);
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}
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/**
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* @brief Enables CryptoCell module, IRQs and crypto libraries on nrf52840.
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*
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* Must be called once before using the CryptoCell lib.
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*/
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void driver_cryptocell_310_setup(void);
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/**
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* @brief Finishes the use of the CryptoCell library.
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*
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* Should be called after using the CryptoCell lib.
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*/
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void driver_cryptocell_310_terminate(void);
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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