| /** |
| * Copyright (c) 2012 - 2018, 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 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 the copyright holder nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 NRF_ECB_H__ |
| #define NRF_ECB_H__ |
| |
| #include <nrfx.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * @defgroup nrf_ecb_hal AES ECB encryption HAL |
| * @{ |
| * @ingroup nrf_ecb |
| * @brief Driver for the AES Electronic Code Book (ECB) peripheral. |
| * |
| * To encrypt 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. |
| */ |
| |
| /** |
| * @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 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, 16 bytes will be written. |
| * @param src Source with 16-byte data to be encrypted. |
| * |
| * @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. |
| * |
| * @param key Pointer to the key. 16 bytes will be read. |
| */ |
| void nrf_ecb_set_key(const uint8_t * key); |
| |
| /** @} */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // NRF_ECB_H__ |
| |
