Public Key Encryption (RSA Method) for Encryption and Decryption in ASP.Net

Brijesh Jalan
14y
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Article

We already know about DES algorithm method

The RSA Public Key Encryption is useful method for Encryption and Decryption .The Code behind the Method is mention below.

using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using System.Security;
using System.Security.Cryptography;
using System.Text;
using System.IO;

public class Tester
{
   public static void Main()
   {
   RSACryptoServiceProvider myRSAProvide = new RSACryptoServiceProvider();
   string strCrypt = null;
   byte[] bteCrypt = null;
   byte[] bteResult = null;
   try
   {
   strCrypt = "12345678";
   bteCrypt = Encoding.ASCII.GetBytes(strCrypt);
   bteResult = myRSAProvide.Encrypt(bteCrypt, false);
   Console.WriteLine(Encoding.ASCII.GetString(bteResult));
   }
   catch (CryptographicException ex)
   {
   Console.WriteLine(ex.Message);
   }
     string strResault = null;
   byte[] bteDecrypt = null;
   try
   {
   bteDecrypt = myRSAProvide.Decrypt(bteResult, false);
   strResault = Encoding.ASCII.GetString(bteDecrypt);
   Console.WriteLine(strResault);
   }
   catch (CryptographicException ex)
   {
   Console.WriteLine(ex.Message);
   }
     Console.ReadLine();
   }
}