CmisSync.Auth.Crypto.UnixDeobfuscate C# (CSharp) Метод

        private static string UnixDeobfuscate(string value)
        {
#if __MonoCS__
            try
            {
                using (PasswordDeriveBytes pdb = new PasswordDeriveBytes(
                    GetCryptoKey(), new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }))
                using (AesManaged myAes = new AesManaged())
                {
                    myAes.Key = pdb.GetBytes(myAes.KeySize / 8);
                    myAes.IV = pdb.GetBytes(myAes.BlockSize / 8);
                    using (ICryptoTransform decryptor = myAes.CreateDecryptor())
                    {
                        byte[] data = Convert.FromBase64String(value);
                        byte[] uncrypt = decryptor.TransformFinalBlock(data, 0, data.Length);
                        return System.Text.Encoding.UTF8.GetString(uncrypt);
                    }
                }
            }
            catch (Exception e)
            {
                if (e is CryptographicException || e is FormatException)
                {
                    Console.WriteLine("Your password is not obfuscated yet.");
                    Console.WriteLine("Using unobfuscated value directly might be deprecated soon, so please delete your local directories and recreate them. Thank you for your understanding.");
                    return value;
                }
                else
                {
                    throw;
                }
            }
#else
            throw new ApplicationException("Should never be reached");
#endif
        }