Encrypt Key and Decrypt Key with Convert.ToBase64String and Convert.FromBase64String : Base64 « Development Class « C# / C Sharp






  1. C# / C Sharp
  2. Development Class
  3. Base64

Encrypt Key and Decrypt Key with Convert.ToBase64String and Convert.FromBase64String

 

using System;
using System.Data;
using System.Configuration;
using System.Web;

public class SecurityHelper
{
    public static string EncryptKey(string key)
    {
        char[] arr = key.ToCharArray();
        for (int ii = 0; ii < arr.Length; ii++)
        {
            arr[ii] ^= (char)14;
        }
        byte[] b = new byte[arr.Length];
        for (int ii = 0; ii < arr.Length; ii++)
        {
            b[ii] = (byte)arr[ii];
        }
        return Convert.ToBase64String(b);

    }

    public static string DecryptKey(string key)
    {
        byte[] b = Convert.FromBase64String(key);
        char[] arr = new char[b.Length];

        for (int ii = 0; ii < b.Length; ii++)
        {
            arr[ii] = (char)(b[ii] ^ 14);
        }

        return new string(arr);

    }

}








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