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                            ## 解決報文被篡改--數字簽名
1. 確定消息的確是由發送方簽名發送過來,因為別人假冒不了發送方的簽名;
2. 能確定消息的完整性,證明數據從未被其他人篡改過;


## 數字簽名生成流程
![](https://img.kancloud.cn/c7/35/c7351adfdad894fcca6bd8320c717b33_1728x598.png)
## 數字簽名校驗流程

![](https://img.kancloud.cn/10/73/107399c906cb972f531307193d692b5f_1316x746.png)


                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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