/// <summary>
/// Load The Encrypted Persisted cwActivation Object
/// </summary>
/// <returns></returns>
static private bool LoadStegan()
{
bool retValue = false;
int i = 0;
//byte[] fileContents;
byte[] fileContents;
fileContents = cwStegan.LoadSteganonographedFile(m_FileName);
try
{
//FileStream inputStream = File.Open(m_FileName, FileMode.Open,FileAccess.Read);
BinaryFormatter binaryFormatter = new BinaryFormatter();
DESCryptoServiceProvider DES = new DESCryptoServiceProvider();
StreamReader sr;
//A 64 bit key and IV is required for this provider.
//Set secret key For DES algorithm.
DES.Key = ASCIIEncoding.ASCII.GetBytes(m_enck);
//Set initialization vector.
DES.IV = ASCIIEncoding.ASCII.GetBytes(m_enck);
//Create a DES decryptor from the DES instance.
ICryptoTransform desdecrypt = DES.CreateDecryptor();
//Create crypto stream set to read and do a
//DES decryption transform on incoming bytes.
//Print the contents of the decrypted file.
//fileContents = new byte[iobjectStream.Length];
//iobjectStream.Read(fileContents,0,(int)iobjectStream.Length);
MemoryStream objectStream = new MemoryStream((int)fileContents.Length);
CryptoStream cryptostreamDecr = new CryptoStream(objectStream,
desdecrypt,
CryptoStreamMode.Write);
cryptostreamDecr.Write(fileContents, 0, (int)fileContents.Length);
cryptostreamDecr.FlushFinalBlock();
objectStream.Position = 0; //Rewind the memory stream.
cwActivation = (CWActivation)binaryFormatter.Deserialize(objectStream);
//Clean Up;
cryptostreamDecr.Close();
objectStream.Close();
//Clear Input Stream.
//inputStream.Flush();
//objectStream.Close();
retValue = true;
PersistStegan();
}
catch (Exception exe)
{
String temp = exe.Message;
}
finally
{
}
return(retValue);
}
static CWProductProtection()
{
gcHandleenck = GCHandle.Alloc(m_enck, GCHandleType.Pinned);
gcHandleenckiv = GCHandle.Alloc(m_enckiv, GCHandleType.Pinned);
cwStegan = new CWSteganography();
m_FileName = "";
//m_enck = "7#;t^:SY]-k VFV=1t/;6LjCa*D'H";
m_enck = "X<cK%3 &"; //A:'H4$~U"; //"X<cK%3 &A:'H4$~U]^";
//m_enckiv = "7#;t^:SY"; //]-k VFV=1t/;6LjC";
cwActivation = new CWActivation();
m_IsStegan = false;
m_ControlsLocked = false;
}