/// <summary>
/// 비동기 방식으로 암호화된 스트림을 복원합니다.
/// </summary>
/// <param name="encryptor"></param>
/// <param name="stream"></param>
/// <returns></returns>
public static Task <Stream> DecryptStreamAsync(this ISymmetricEncryptor encryptor, Stream stream)
{
return(Task.Factory.StartNew(() => encryptor.DecryptStream(stream)));
}
