simmel-bootloader/nRF5_SDK_11.0.0_89a8197/components/drivers_nrf/hal/nrf_ecb.h

67 lines
2.0 KiB
C

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