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Diff: nordic/nrf-sdk/nrf_ecb.h
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diff -r 000000000000 -r eff01767de02 nordic/nrf-sdk/nrf_ecb.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nordic/nrf-sdk/nrf_ecb.h Wed Mar 26 14:38:17 2014 +0000 @@ -0,0 +1,67 @@ +/* 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 nRF51 AES Electronic Code Book (ECB) peripheral. + * + * In order to encrypt and decrypt data the peripheral must be powered on + * using nrf_ecb_init() and then the key set using nrf_ecb_set_key. + */ + +#include <stdint.h> +#include "nordic_global.h" + +/** + * Initialize and power on the ECB peripheral. + * + * Allocates memory for the ECBDATAPTR. + * @retval true Initialization was successful. + * @retval false Powering up failed. + */ +bool nrf_ecb_init(void); + +/** + * Encrypt/decrypt 16-byte data using current key. + * + * The function avoids unnecessary copying of data if the 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); + +/** + * Set the key to be used for encryption/decryption. + * + * @param key Pointer to key. 16 bytes will be read. + */ +void nrf_ecb_set_key(const uint8_t * key); + +#endif // NRF_ECB_H__ + +/** @} */