/*
* Decrypt and deserialize function.
*/
public static DataObjectSerializable decryptNdeserialize(string filename)
{
//Create a file stream to read the encrypted file back.
FileStream fsread = new FileStream(filename,
FileMode.Open,
FileAccess.Read);
//create des crypto service provider object.
des = new DESCryptoServiceProvider();
des.Padding = PaddingMode.PKCS7;
des.Mode = CipherMode.CBC;
des.Key = Key;
des.IV = IV;
//create Descryptor.
desencrypt = des.CreateDecryptor();
//Construct the cryptostream with filestream that we use to store data that we read from a file.
CryptoStream cryptStream = new CryptoStream(fsread,
desencrypt,
CryptoStreamMode.Read);
//create byte array object with length of our filestream.
byte[] byteArray = new byte[fsread.Length];
//store the byte in cryptStream to our byteArray.
cryptStream.Read(byteArray, 0, byteArray.Length);
//create a new memory stream.
MemoryStream memoryStream = new MemoryStream();
//write the byteArray data to memory stream.
memoryStream.Write(byteArray, 0, byteArray.Length);
//create formatter.
IFormatter formatter = new BinaryFormatter();
//reposition our memory stream to position 0.
memoryStream.Seek(0, SeekOrigin.Begin);
//assign the deserializated object to our data object.
DataObjectSerializable dataObject = (DataObjectSerializable)formatter.Deserialize(memoryStream);
// flush and close all stream.
cryptStream.Flush();
cryptStream.Close();
fsread.Close();
memoryStream.Flush();
memoryStream.Close();
return(dataObject);
}
static void Main(string[] args)
{
//File path
string filename = "D:\\SelfLearning\\c#\\Serialization\\file.dat";
//Create data object.
dataObject = new DataObjectSerializable();
//Set the data object data.
dataObject.Name = "http://ubuntuanakramli.blogspot.com/";
dataObject.Age = 2015 - 2011;
//encrypt and serialize.
encryptNserialize(filename);
//decrpyt and deserialize , store result to dataObject.
dataObject = decryptNdeserialize(filename);
//print out the result.
Console.WriteLine("Name" + dataObject.Name);
Console.WriteLine("Age" + dataObject.Age);
Console.ReadKey();
}