67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
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/* Copyright (c) 2012 Nordic Semiconductor. All Rights Reserved.
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*
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* The information contained herein is confidential property of Nordic
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* Semiconductor ASA.Terms and conditions of usage are described in detail
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* in NORDIC SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
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*
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* Licensees are granted free, non-transferable use of the information. NO
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* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
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* the file.
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*
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* $LastChangedRevision: 13999 $
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*/
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/**
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* @file
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* @brief ECB driver API.
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*/
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#ifndef NRF_ECB_H__
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#define NRF_ECB_H__
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/**
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* @defgroup nrf_ecb AES ECB encryption
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* @{
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* @ingroup nrf_drivers
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* @brief Driver for the AES Electronic Code Book (ECB) peripheral.
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*
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* To encrypt and decrypt data, the peripheral must first be powered on
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* using @ref nrf_ecb_init. Next, the key must be set using @ref nrf_ecb_set_key.
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*/
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#include <stdint.h>
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/**
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* @brief Function for initializing and powering on the ECB peripheral.
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*
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* This function allocates memory for the ECBDATAPTR.
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* @retval true If initialization was successful.
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* @retval false If powering on failed.
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*/
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bool nrf_ecb_init(void);
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/**
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* @brief Function for encrypting and decrypting 16-byte data using current key.
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*
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* This function avoids unnecessary copying of data if the parameters point to the
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* correct locations in the ECB data structure.
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*
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* @param dst Result of encryption/decryption. 16 bytes will be written.
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* @param src Source with 16-byte data to be encrypted/decrypted.
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*
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* @retval true If the encryption operation completed.
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* @retval false If the encryption operation did not complete.
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*/
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bool nrf_ecb_crypt(uint8_t * dst, const uint8_t * src);
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/**
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* @brief Function for setting the key to be used for encryption and decryption.
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*
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* @param key Pointer to the key. 16 bytes will be read.
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*/
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void nrf_ecb_set_key(const uint8_t * key);
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#endif // NRF_ECB_H__
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/** @} */
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