207 lines
7.3 KiB
C
207 lines
7.3 KiB
C
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/******************************************************************************
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*Copyright(C)2017, Huada Semiconductor Co.,Ltd All rights reserved.
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*
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* This software is owned and published by:
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* Huada Semiconductor Co.,Ltd("HDSC").
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*
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* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
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* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
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*
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* This software contains source code for use with HDSC
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* components. This software is licensed by HDSC to be adapted only
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* for use in systems utilizing HDSC components. HDSC shall not be
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* responsible for misuse or illegal use of this software for devices not
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* supported herein. HDSC is providing this software "AS IS" and will
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* not be responsible for issues arising from incorrect user implementation
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* of the software.
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*
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* Disclaimer:
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* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
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* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
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* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
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* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
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* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
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* WARRANTY OF NONINFRINGEMENT.
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* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
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* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
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* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
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* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
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* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
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* SAVINGS OR PROFITS,
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* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
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* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
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* FROM, THE SOFTWARE.
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*
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* This software may be replicated in part or whole for the licensed use,
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* with the restriction that this Disclaimer and Copyright notice must be
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* included with each copy of this software, whether used in part or whole,
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* at all times.
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*/
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/** \file aes.c
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**
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** Common API of AES.
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** @link AesGroup Some description @endlink
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**
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** - 2019-04-16
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**
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******************************************************************************/
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/*******************************************************************************
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* Include files
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******************************************************************************/
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#include "aes.h"
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/**
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*******************************************************************************
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** \addtogroup AesGroup
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******************************************************************************/
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//@{
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/*******************************************************************************
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* Local pre-processor symbols/macros ('#define')
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******************************************************************************/
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/*******************************************************************************
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* Global variable definitions (declared in header file with 'extern')
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******************************************************************************/
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/*******************************************************************************
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* Local type definitions ('typedef')
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******************************************************************************/
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/*******************************************************************************
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* Local variable definitions ('static')
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******************************************************************************/
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/*******************************************************************************
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* Local function prototypes ('static')
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******************************************************************************/
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/*******************************************************************************
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* Function implementation - global ('extern') and local ('static')
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******************************************************************************/
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/**
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* \brief
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* AES 加密
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*
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* \param [in] pstcAesCfg AES 配置结构体 @ref stc_aes_cfg_t
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*
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* \retval en_result_t Ok: 配置成功
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* \retval en_result_t ErrorInvalidParameter: 无效参数
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*/
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en_result_t AES_Encrypt(stc_aes_cfg_t* pstcAesCfg)
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{
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if (NULL == pstcAesCfg)
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{
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return ErrorInvalidParameter;
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}
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M0P_AES->CR_f.KEYSIZE = pstcAesCfg->enKeyLen;
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//Key cfg
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M0P_AES->KEY0 = pstcAesCfg->pu32Key[0];
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M0P_AES->KEY1 = pstcAesCfg->pu32Key[1];
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M0P_AES->KEY2 = pstcAesCfg->pu32Key[2];
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M0P_AES->KEY3 = pstcAesCfg->pu32Key[3];
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if(AesKey192 == pstcAesCfg->enKeyLen)
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{
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M0P_AES->KEY4 = pstcAesCfg->pu32Key[4];
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M0P_AES->KEY5 = pstcAesCfg->pu32Key[5];
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}
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if(AesKey256 == pstcAesCfg->enKeyLen)
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{
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M0P_AES->KEY4 = pstcAesCfg->pu32Key[4];
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M0P_AES->KEY5 = pstcAesCfg->pu32Key[5];
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M0P_AES->KEY6 = pstcAesCfg->pu32Key[6];
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M0P_AES->KEY7 = pstcAesCfg->pu32Key[7];
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}
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//Data cfg
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M0P_AES->DATA0 = pstcAesCfg->pu32Plaintext[0];
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M0P_AES->DATA1 = pstcAesCfg->pu32Plaintext[1];
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M0P_AES->DATA2 = pstcAesCfg->pu32Plaintext[2];
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M0P_AES->DATA3 = pstcAesCfg->pu32Plaintext[3];
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M0P_AES->CR_f.MODE = 0;//Encry
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M0P_AES->CR_f.START = 1;
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while(M0P_AES->CR_f.START == 1)
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{
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;
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}
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pstcAesCfg->pu32Cipher[0] = M0P_AES->DATA0;
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pstcAesCfg->pu32Cipher[1] = M0P_AES->DATA1;
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pstcAesCfg->pu32Cipher[2] = M0P_AES->DATA2;
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pstcAesCfg->pu32Cipher[3] = M0P_AES->DATA3;
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return Ok;
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}
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/**
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* \brief
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* AES 解密
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*
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* \param [in] pstcAesCfg AES 配置结构体 @ref stc_aes_cfg_t
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*
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* \retval en_result_t Ok: 配置成功
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* \retval en_result_t ErrorInvalidParameter: 无效参数
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*/
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en_result_t AES_Decrypt(stc_aes_cfg_t* pstcAesCfg)
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{
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if (NULL == pstcAesCfg)
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{
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return ErrorInvalidParameter;
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}
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M0P_AES->CR_f.KEYSIZE = pstcAesCfg->enKeyLen;
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//Key cfg
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M0P_AES->KEY0 = pstcAesCfg->pu32Key[0];
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M0P_AES->KEY1 = pstcAesCfg->pu32Key[1];
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M0P_AES->KEY2 = pstcAesCfg->pu32Key[2];
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M0P_AES->KEY3 = pstcAesCfg->pu32Key[3];
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if(AesKey192 == pstcAesCfg->enKeyLen)
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{
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M0P_AES->KEY4 = pstcAesCfg->pu32Key[4];
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M0P_AES->KEY5 = pstcAesCfg->pu32Key[5];
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}
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if(AesKey256 == pstcAesCfg->enKeyLen)
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{
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M0P_AES->KEY4 = pstcAesCfg->pu32Key[4];
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M0P_AES->KEY5 = pstcAesCfg->pu32Key[5];
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M0P_AES->KEY6 = pstcAesCfg->pu32Key[6];
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M0P_AES->KEY7 = pstcAesCfg->pu32Key[7];
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}
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//Data cfg
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M0P_AES->DATA0 = pstcAesCfg->pu32Cipher[0];
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M0P_AES->DATA1 = pstcAesCfg->pu32Cipher[1];
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M0P_AES->DATA2 = pstcAesCfg->pu32Cipher[2];
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M0P_AES->DATA3 = pstcAesCfg->pu32Cipher[3];
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M0P_AES->CR_f.MODE = 1;//UnEncry
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M0P_AES->CR_f.START = 1;
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while(M0P_AES->CR_f.START == 1)
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{
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;
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}
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pstcAesCfg->pu32Plaintext[0] = M0P_AES->DATA0;
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pstcAesCfg->pu32Plaintext[1] = M0P_AES->DATA1;
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pstcAesCfg->pu32Plaintext[2] = M0P_AES->DATA2;
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pstcAesCfg->pu32Plaintext[3] = M0P_AES->DATA3;
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return Ok;
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}
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//@} // AesGroup
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/*******************************************************************************
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* EOF (not truncated)
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******************************************************************************/
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