/// <summary>
/// Serialize and encrypt a class as binary stream and save to a file
/// </summary>
/// <param name="filename">name of the file</param>
/// <param name="obj">the instance to be serialized and encrypted</param>
public static void BinarySerialize(string filename, object obj)
{
IFormatter formatter = new BinaryFormatter();
using (MemoryStream mstream = new MemoryStream())
{
formatter.Serialize(mstream, obj);
byte[] unencryptBytes = mstream.ToArray();
mstream.Close();
mstream.Dispose();
string encryptedText = CryptographUtil.Encrypt(CharacterEncodingUtil.Bytes2FormattedString(unencryptBytes), "TAiCHi");
IOUtil.StringWrite(filename, encryptedText, false, false, Encoding.UTF8);
}
}
/// <summary>
/// Decrypt and deserialize a string to a class
/// </summary>
/// <param name="filename">name of the file</param>
/// <returns>the instance of the class</returns>
public static object BinaryDerialize(string filename)
{
IFormatter formatter = new BinaryFormatter();
object obj = null;
string encryptedText = IOUtil.StringRead(filename, false, Encoding.UTF8, false);
byte[] unencryptBytes = CharacterEncodingUtil.FormattedString2Bytes(CryptographUtil.Decrypt(encryptedText, "TAiCHi"));
using (MemoryStream ms = new MemoryStream(unencryptBytes))
{
obj = formatter.Deserialize(ms);
ms.Close();
ms.Dispose();
}
return(obj);
}