sha256加密

C# 非对称加密

   
   

     
     

      
      

     
     
     
     

      
      

       
       public string sha256(string data)
      
      
     
     

     
     

      
      

     
     
     
     

      
      

       
       {
      
      
     
     

     
     

      
      

     
     
     
     

      
      
   
       
       byte[] bytes = Encoding.UTF8.GetBytes(data);
      
      
     
     

     
     

      
      

     
     
     
     

      
      
   
       
       byte[] hash = SHA256Managed.Create().ComputeHash(bytes);
      
      
     
     

     
     

      
      

     
     
     
     

      
      
 
      
      
     
     

     
     

      
      

     
     
     
     

      
      

       
          StringBuilder builder = 
       
       new StringBuilder();
      
      
     
     

     
     

      
      

     
     
     
     

      
      
   
       
       for (
       
       int i = 
       
       0; i < hash.Length; i++)
      
      
     
     

     
     

      
      

     
     
     
     

      
      

       
          {
      
      
     
     

     
     

      
      

     
     
     
     

      
      

       
                 builder.Append(hash[i].ToString(
       
       "X2"));
      
      
     
     

     
     

      
      

     
     
     
     

      
      

       
          }
      
      
     
     

     
     

      
      

     
     
     
     

      
      
 
      
      
     
     

     
     

      
      

     
     
     
     

      
      
   
       
       return builder.ToString();
      
      
     
     

     
     

      
      

     
     
     
     

      
      

       
       }