Question

How to encrypt and decrypt a string in C#

Answer 1

using System;

class Program
{
    public static string Base64Decode_Decrypt(string base64EncodedData) {
       var base64EncodedBytes = System.Convert.FromBase64String(base64EncodedData);
       
       return System.Text.Encoding.UTF8.GetString(base64EncodedBytes);
    }
    
    public static string Base64Encode_Encrypt(string str) {
       var plainTextBytes = System.Text.Encoding.UTF8.GetBytes(str);
       
       return System.Convert.ToBase64String(plainTextBytes);
    }
    
    static void Main() {
        string str = "C# .NET Programming";
        
        string encrypt = Base64Encode_Encrypt(str);
        Console.WriteLine(encrypt);
        
        string decrypt = Base64Decode_Decrypt(encrypt);
        Console.WriteLine(decrypt);
    }
}



/*
run:

QyMgLk5FVCBQcm9ncmFtbWluZw==
C# .NET Programming

*/

 

70+ SQL courses for beginners and professionals