DecryptPwd/C#/DecryptPwd/Utils/Navicat.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DecryptPwd.Utils
{
    public class Navicat
    {
        /// <summary>
        /// Decrypt Navicat password
        /// </summary>
        /// <param name="pwd">Encrypted password</param>
        /// <returns>Decrypted password</returns>
        public static string Decrypt(string pwd)
        {
            string result = string.Empty;
            try
            {
                byte[] bytes = Convert.FromBase64String(pwd);
                for (int i = 0; i < bytes.Length; i++)
                {
                    bytes[i] = (byte)(bytes[i] ^ 0xA3);
                }
                result = Encoding.UTF8.GetString(bytes);
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            return result;
        }
    }
}