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