private void stegEncrypt(object sender, RoutedEventArgs e)
{
string fileName;
byte[] hideThis;
Bitmap bmp;
OpenFileDialog dlg = new OpenFileDialog();
if (dlg.ShowDialog() == DialogResult.OK)
{
fileName = dlg.FileName;
string fileExtention = fileName.Substring(fileName.Length - 3);
if (!fileExtention.Equals("bmp"))
{
bmp = Steganography.ConvertToBitmap(fileName);
}
else
{
byte[] imageData = System.IO.File.ReadAllBytes(@fileName);
using (var ms = new MemoryStream(imageData))
{
bmp = new Bitmap(ms);
}
}
OpenFileDialog dlg1 = new OpenFileDialog();
if (dlg1.ShowDialog() == DialogResult.OK)
{
stegPass = stegPassBox.Text;
hideThis = File.ReadAllBytes(dlg1.FileName);
byte[] stegByte = Convert.FromBase64String(stegPass);
while (stegByte.Length != 32)
{
stegByte = stegByte.Concat(Encoding.ASCII.GetBytes("0")).ToArray();
Console.WriteLine(stegByte);
}
byte[] IV = File.ReadAllBytes(@"C:\\Users\\SengokuMedaru\\Desktop\\keys\\IV.txt");
KeyController kc = new KeyController();
byte[] EncryptedStr = kc.symmetricEncryption(hideThis, stegByte, IV);
String hideThisStr = System.Text.Encoding.UTF8.GetString(EncryptedStr);
bmp = Steganography.embedText(hideThisStr, bmp);
fileName = System.IO.Path.GetFileNameWithoutExtension(fileName);
bmp.Save(@"C:\\Users\\SengokuMedaru\\Desktop\\EncryptedText\\Harmless " + fileName + ".bmp");
Console.WriteLine("A txt file has successfully been hidden in " + fileName + "!");
Console.WriteLine("");
}
}
}
private Bitmap stegEncrypt(object sender, RoutedEventArgs e)
{
string fileName;
byte[] hideThis;
Bitmap bmp = null;
while (bmp == null)
{
System.Windows.MessageBox.Show("Select an image carrier");
OpenFileDialog dlg = new OpenFileDialog();
if (dlg.ShowDialog() == DialogResult.OK)
{
fileName = dlg.FileName;
string fileExtention = fileName.Substring(fileName.Length - 3);
if (!fileExtention.Equals("bmp"))
{
bmp = Steganography.ConvertToBitmap(fileName);
}
else
{
byte[] imageData = System.IO.File.ReadAllBytes(@fileName);
using (var ms = new MemoryStream(imageData))
{
bmp = new Bitmap(ms);
}
}
System.Windows.MessageBox.Show("Select the txt file you wish to embed");
OpenFileDialog dlg1 = new OpenFileDialog();
if (dlg1.ShowDialog() == DialogResult.OK)
{
hideThis = File.ReadAllBytes(dlg1.FileName);
stegPass = Controllers.Prompt.ShowDialog3("Enter password", "Prompt");
if (stegPass.Length < 8)
{
System.Windows.MessageBox.Show("Please enter an 8-character password");
}
else
{
if (stegPass.Length >= 8)
{
stegPass = stegPass.Substring(0, 8);
}
byte[] stegByte = Convert.FromBase64String(stegPass);
while (stegByte.Length != 32)
{
stegByte = stegByte.Concat(Encoding.ASCII.GetBytes("0")).ToArray();
Console.WriteLine(stegByte);
}
byte[] IV = File.ReadAllBytes(@bigPath + "\\IV.txt");
KeyController kc = new KeyController();
byte[] EncryptedStr = kc.symmetricEncryption(hideThis, stegByte, IV);
String hideThisStr = Convert.ToBase64String(EncryptedStr);
bmp = Steganography.embedText(hideThisStr, bmp);
fileName = System.IO.Path.GetFileNameWithoutExtension(fileName);
}
}
}
}
return(bmp);
}