using System;
using System.IO;
using System.Text;
using System.Security.Cryptography;

namespace MyCompiler {
    class Program {
        public static string AES_KEY = "f8f44cb92d344a9e94878f7ede9b9340";
        
        public static void Main(string[] args) {
            var value1 = encryptar("Mupi.123", AES_KEY);
            
            Console.WriteLine(value1);
        }
        
        public static string encryptar(string text, string key) {
            var _key = Encoding.UTF8.GetBytes(key); 
            
            using (var aes = Aes.Create()) {
                using (var encryptor = aes.CreateEncryptor(_key, aes.IV)) {
                    using (var ms = new MemoryStream()) {
                        using (var cs = new CryptoStream(ms, encryptor, CryptoStreamMode.Write)) {
                            using (var sw = new StreamWriter(cs)) {
                                sw.Write(text);
                            }
                        }
                        
                        var iv = aes.IV;
                        var encrypted = ms.ToArray(); 
                        var result = new byte[iv.Length + encrypted.Length];
                        
                        Buffer.BlockCopy(iv, 0, result, 0, iv.Length);
                        Buffer.BlockCopy(encrypted, 0, result, iv.Length, encrypted.Length);
                        
                        return Convert.ToBase64String(result); 

                    }
                }
            }
        }
    }
}