156 lines
5.7 KiB
C
156 lines
5.7 KiB
C
/**
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****************************************************************************************************
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* @file fm33lg0xx_fl_aes.c
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* @author FMSH Application Team
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* @brief Src file of AES FL Module
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****************************************************************************************************
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* @attention
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*
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* Copyright (c) [2021] [Fudan Microelectronics]
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* THIS SOFTWARE is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*
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****************************************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "fm33lg0xx_fl.h"
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/** @addtogroup FM33LG0xx_FL_Driver
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* @{
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*/
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/** @addtogroup AES
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* @{
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*/
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#ifdef FL_AES_DRIVER_ENABLED
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/* Private macros ------------------------------------------------------------*/
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/** @addtogroup AES_FL_Private_Macros
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* @{
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*/
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#define IS_FL_AES_INSTANCE(INSTANCE) (((INSTANCE) == AES))
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#define IS_FL_AES_KEYLENTH(__VALUE__) (((__VALUE__) == FL_AES_KEY_LENGTH_128B)||\
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((__VALUE__) == FL_AES_KEY_LENGTH_192B)||\
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((__VALUE__) == FL_AES_KEY_LENGTH_256B))
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#define IS_FL_AES_CIPHERMODE(__VALUE__) (((__VALUE__) == FL_AES_CIPHER_ECB)||\
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((__VALUE__) == FL_AES_CIPHER_CBC)||\
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((__VALUE__) == FL_AES_CIPHER_CTR)||\
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((__VALUE__) == FL_AES_CIPHER_MULTH))
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#define IS_FL_AES_OPERATIONMODE(__VALUE__) (((__VALUE__) == FL_AES_OPERATION_MODE_ENCRYPTION)||\
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((__VALUE__) == FL_AES_OPERATION_MODE_KEYDERIVATION)||\
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((__VALUE__) == FL_AES_OPERATION_MODE_DECRYPTION)||\
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((__VALUE__) == FL_AES_OPERATION_MODE_KEYDERIVATION_DECRYPTION))
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#define IS_FL_AES_DATATYPE(__VALUE__) (((__VALUE__) == FL_AES_DATA_TYPE_32B)||\
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((__VALUE__) == FL_AES_DATA_TYPE_16B)||\
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((__VALUE__) == FL_AES_DATA_TYPE_8B)||\
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((__VALUE__) == FL_AES_DATA_TYPE_1B))
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/**
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*@}
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*/
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup AES_FL_EF_Init
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* @{
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*/
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/**
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* @brief 复位AES 外设寄存器值为复位值
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*
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* @param None
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*
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* @retval FL_ErrorStatus枚举值
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* -FL_PASS 配置成功
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* -FL_FAIL 配置过程发生错误
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*/
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FL_ErrorStatus FL_AES_DeInit(void)
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{
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/* 外设复位使能 */
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FL_RMU_EnablePeripheralReset(RMU);
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/* 复位AES */
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FL_RMU_EnableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_AES);
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FL_RMU_DisableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_AES);
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/* 关闭总线时钟 */
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FL_CMU_DisableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_AES);
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/* 锁定外设复位功能 */
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FL_RMU_DisablePeripheralReset(RMU);
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return FL_PASS;
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}
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/**
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* @brief 根据 AES_InitStructer初始化对应外设入口地址的寄存器值.
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*
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* @param AESx 外设入口地址
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* @param AES_InitStructer 指向 @ref FL_AES_InitTypeDef 结构体的指针
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*
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* @retval FL_ErrorStatus枚举值
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* -FL_PASS 配置成功
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* -FL_FAIL 配置过程发生错误
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*/
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FL_ErrorStatus FL_AES_Init(AES_Type *AESx, FL_AES_InitTypeDef *AES_InitStructer)
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{
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/* 入口合法性检查 */
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assert_param(IS_FL_AES_INSTANCE(AESx));
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assert_param(IS_FL_AES_KEYLENTH(AES_InitStructer->keyLength));
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assert_param(IS_FL_AES_CIPHERMODE(AES_InitStructer->cipherMode));
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assert_param(IS_FL_AES_OPERATIONMODE(AES_InitStructer->operationMode));
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assert_param(IS_FL_AES_DATATYPE(AES_InitStructer->dataType));
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if(FL_AES_IsEnabled(AESx) == 0)
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{
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/* 开启总线时钟 */
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FL_CMU_EnableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_AES);
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/* key长度 */
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FL_AES_SetKeySize(AESx, AES_InitStructer->keyLength);
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/* 数据流处理模式 */
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FL_AES_SetCipherMode(AESx, AES_InitStructer->cipherMode);
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/* 操作模式 */
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FL_AES_SetOperationMode(AESx, AES_InitStructer->operationMode);
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/* 数据类型 */
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FL_AES_SetDataType(AESx, AES_InitStructer->dataType);
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}
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else
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{
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return FL_FAIL;
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}
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return FL_PASS;
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}
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/**
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* @brief 设置 AES_InitStruct 为默认配置
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*
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* @param AES_InitStruct 指向需要将值设置为默认配置的结构体 @ref FL_AES_InitTypeDef 结构体
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*
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* @retval None
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*/
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void FL_AES_StructInit(FL_AES_InitTypeDef *AES_InitStructer)
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{
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AES_InitStructer->keyLength = FL_AES_KEY_LENGTH_128B;
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AES_InitStructer->cipherMode = FL_AES_CIPHER_ECB;
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AES_InitStructer->operationMode = FL_AES_OPERATION_MODE_ENCRYPTION;
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AES_InitStructer->dataType = FL_AES_DATA_TYPE_32B;
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}
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/**
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*@}
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*/
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#endif /* FL_AES_DRIVER_ENABLED */
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/**
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*@}
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*/
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/**
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*@}
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*/
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/*********************** (C) COPYRIGHT Fudan Microelectronics *****END OF FILE************************/
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