private void CalculateInformation(bool isvsfe)
{
SetWindowStatus("Getting File Information");
string information = null;
long size = new FileInfo(readypath).Length;
string sizetext;
if (size < 1024)
{
sizetext = size.ToString() + " bytes";
}
else if (size < 1048576)
{
sizetext = (size / 1024).ToString() + " KB";
}
else
{
sizetext = (size / 1048576).ToString() + " MB";
}
if (isvsfe)
{
vsfeFile vsfeFile = new vsfeFile();
vsfeFile = ReadvsfeFile(readypath);
information = "VSFE Description:\n" + vsfeFile.description + "\n";
}
information = information + "File Name:\n" + Path.GetFileName(readypath) +
"\nMD5:\n" + CalculateMD5(readypath) +
"\nSize:\n" + sizetext +
"\nModified:\n" + File.GetLastWriteTime(readypath) +
"\nPath:\n" + readypath;
FileInformation.Text = information;
SetWindowStatus();
}
public void SavevsfeFile(string filepath, vsfeFile vsfeFile)
{
FileStream fstream = File.Open(filepath, FileMode.Create);
BinaryFormatter binaryFormatter = new BinaryFormatter();
binaryFormatter.Serialize(fstream, vsfeFile);
fstream.Close();
}
public vsfeFile ReadvsfeFile(string filepath)
{
vsfeFile vsfeFile = new vsfeFile();
FileStream fstream = File.Open(filepath, FileMode.Open);
BinaryFormatter binaryFormatter = new BinaryFormatter();
try
{
vsfeFile = (vsfeFile)binaryFormatter.Deserialize(fstream);
} catch {
vsfeFile.bytes = null;
}
fstream.Close();
return(vsfeFile);
}
private void SaveFileButton_Click(object sender, EventArgs e)
{
GC.Collect();
byte[] passwordBytes = Encoding.UTF8.GetBytes(PasswordTextBox.Text);
SaveFileDialog saveFileDialog1 = new SaveFileDialog();
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
if (radioEncrypt.Checked)
{
byte[] FileBytes = File.ReadAllBytes(readypath);
SetWindowStatus("Encrypting...");
vsfeFile vsfeFile = new vsfeFile();
vsfeFile.filename = Path.GetFileName(readypath);
if (FileDescriptionTextBox.Enabled == true)
{
vsfeFile.description = FileDescriptionTextBox.Text;
}
vsfeFile.bytes = AES_Encrypt(FileBytes, passwordBytes);
FileBytes = null; GC.Collect(); //clear memory
sw.Stop();
SetWindowStatus();
saveFileDialog1.Filter = "ViKTUK VSFE files (*.vsfe)|*.vsfe|All files (*.*)|*.*";
saveFileDialog1.ShowDialog();
if (saveFileDialog1.FileName != "")
{
SetWindowStatus("Saving file...");
sw.Start();
SavevsfeFile(saveFileDialog1.FileName, vsfeFile);
sw.Stop();
SetWindowStatus();
MessageBox.Show("Operation completed successfully.\nIt took " + GetTimeString(sw), "Done", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
vsfeFile.bytes = null;
}
else
{
vsfeFile vsfeFile = new vsfeFile();
vsfeFile = ReadvsfeFile(readypath);
if (vsfeFile.bytes != null)
{
SetWindowStatus("Decrypting...");
byte[] decrypted = AES_Decrypt(vsfeFile.bytes, passwordBytes);
sw.Stop();
SetWindowStatus();
if (decrypted != null)
{
string filename = vsfeFile.filename;
string fileext = Path.GetExtension(filename);
saveFileDialog1.FileName = Path.GetFileNameWithoutExtension(filename);
saveFileDialog1.Filter = fileext.Remove(0, 1).ToUpper() + " files (*" + fileext + ")|*" + fileext + "|All files (*.*)|*.*";
saveFileDialog1.ShowDialog();
if (saveFileDialog1.FileName != "")
{
SetWindowStatus("Saving file...");
sw.Start();
File.WriteAllBytes(saveFileDialog1.FileName, decrypted);
sw.Stop();
SetWindowStatus();
MessageBox.Show("Operation completed successfully.\nIt took " + GetTimeString(sw), "Done", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
else
{
MessageBox.Show("Decryption failed. Check your password.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show("It isn't VSFE file", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
GC.Collect();
}
