private void downloadBtn_Click(object sender, EventArgs e)
{
//Hide Text
string text = DataAsGuard.CSClass.Logininfo.username;
string password = "******";
bmp = (Bitmap)showPic.Image;
text = Crypto.EncryptStringAES(text, password);
bmp = SteganographyHelper.embedText(text, bmp);
//Save image
SaveFileDialog save_dialog = new SaveFileDialog();
save_dialog.Filter = "Png Image|*.png|Bitmap Image|*.bmp";
if (save_dialog.ShowDialog() == DialogResult.OK)
{
switch (save_dialog.FilterIndex)
{
case 0:
{
bmp.Save(save_dialog.FileName, ImageFormat.Png);
}
break;
case 1:
{
bmp.Save(save_dialog.FileName, ImageFormat.Bmp);
}
break;
}
}
}
private void button2_Click(object sender, EventArgs e)
{
try
{
Application.DoEvents();
System.Threading.Thread.Sleep(1500);
string fpath = Application.StartupPath + "\\Image\\encryptedText.txt";
EncryptFile(pictureBox1.Image, fpath);
string fpath1 = Application.StartupPath + "\\Image\\encrypted.jpg";
EncryptFile(pictureBox1.Image, fpath1);
string text = File.ReadAllText(textBox1.Text);
bmp1 = new Bitmap(Bitmap.FromFile(Application.StartupPath + "\\input\\blank.jpg"));
bmp = SteganographyHelper.embedText(text, bmp1);
bmp.Save(Application.StartupPath + "\\Image\\EncryptedImage.jpg", ImageFormat.Jpeg); // Save the encrypted image
panelCanvas.Image = Image.FromFile(Application.StartupPath + "\\Image\\EncryptedImage.jpg");
Application.DoEvents();
System.Threading.Thread.Sleep(1500);
Cipher_text = Encrypt_text(txt_plain_text.Text, key);
con.Open();
cmd = new SqlCommand("insert into encryption values('" + txt_plain_text.Text + "','" + key + "','" + Cipher_text + "')", con);
cmd.ExecuteNonQuery();
con.Close();
MessageBox.Show("Input Image and Text Encrypted Successfully");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message.ToString());
}
}
private void button1_Click(object sender, EventArgs e)
{
string encrypted = StringCipher.Encrypt(textBox1.Text, ConfigurationManager.AppSettings["secret"]);
pictureBox2.Image = SteganographyHelper.embedText(encrypted, new Bitmap(pictureBox1.Image));
}
/// <summary>
/// Método responsável pela captura das imagens
/// O nome de imagem capturada é adiciona numa lista que, posteriormente, é percorrida para enviar as imagens para a pasta destino
/// </summary>
private void CreatePrintScreen()
{
Seq += 1;
// Sequência
ScreenCapturing.LegendData.FrameID = Seq;
// Captura a tela
Image[] imgList;
if (sysConfig.Data.OneImagePerScreen)
{
imgList = ScreenCapturing.GetDesktopWindowCaptureAsBitmaps();
}
else
{
// Captura uma única imagem para todos monitores
imgList = new Image[1];
imgList[0] = ScreenCapturing.GetDesktopWindowCaptureAsBitmap();
}
for (int i = 0; i < imgList.Length; i++)
{
Image tempImg = imgList[i];
try
{
// Nome do arquivo
string fileToSave = Environment.UserName + DATA_DELIMITER +
MACAddress + DATA_DELIMITER +
Util.GetLocalIpAddress() + DATA_DELIMITER +
string.Format("{0:yyyyMMdd_HH_mm_ss_fff}", internalClock) + DATA_DELIMITER +
i.ToString() +
sysConfig.Data.ExtImgFormat;
// No do arquivo temporário (com path)
string tempFullFileToSave = sysConfig.TempPath + fileToSave;
// Adiciona assinatura com dados de segurança na imagem quando a imagem for PNG
if ((sysConfig.Data.ImgFormat == ImageFormat.Png) && (sysConfig.Data.UseSignature))
{
// Pabavra chave de segurança e identificação que é embutida na imagem
string wordSecurity = UDYATSIGN + DATA_DELIMITER +
sysConfig.Data.CustomerID.ToString() + DATA_DELIMITER +
sysConfig.Data.CustomerMacNumber.ToString() + DATA_DELIMITER +
FnvHash.GetHash(sysConfig.Data.CustomerWord, 120).ToHexString() + DATA_DELIMITER +
sysConfig.MachineUniqueID + DATA_DELIMITER +
fileToSave;
// Esconde o texto na imagem (esteganografia)
SteganographyHelper.embedText(wordSecurity, (Bitmap)tempImg);
}
// Salva o arquivo no Temp
if (sysConfig.Data.ImgFormat == ImageFormat.Jpeg)
{
tempImg.Save(tempFullFileToSave, sysConfig.Data.ImageCodec, sysConfig.Data.EncoderParams);
}
else
{
tempImg.Save(tempFullFileToSave, sysConfig.Data.ImgFormat);
}
// Adiciona o arquivo na lista de arquivos que devem ser movidos
if (sysConfig.Data.MoveImagesToTarget)
{
lock (filesToSend.SyncRoot)
{
filesToSend.Add(fileToSave);
}
}
}
catch (Exception ex)
{
Log.AddLog("Captura", ex.Message);
}
}
}
private void hide_Click(object sender, EventArgs e)
{
if (container_size < this.image_max_info)
{
string finalText = ByteArrayToString(containerBytes);
string textTemp = null;
bool last = false;
int image_Totalsize = 0;
for (int x = 0; x < files.Count(); x++)
{
finalText = x.ToString() + " " + finalText;
image_Totalsize = image_size(files.ElementAt(x));
if (image_Totalsize > finalText.Length)
{
if (last)
{
finalText = x.ToString() + " ";
}
else
{
textTemp = finalText;
}
String name = "Photo" + x.ToString() + ".png";
image_final = SteganographyHelper.embedText(textTemp, files.ElementAt(x));
image_final.Save(@"C:\Users\Blotz\Desktop\" + name, ImageFormat.Png);
finalText = "";
last = true;
}
else
{
textTemp = finalText.Substring(0, image_Totalsize);
finalText = finalText.Substring(image_Totalsize);
String name = "Photo" + x.ToString() + ".png";
image_final = SteganographyHelper.embedText(textTemp, files.ElementAt(x));
image_final.Save(@"C:\Users\Blotz\Desktop\" + name, ImageFormat.Png);
}
}
this.files.Clear();
imageList1.Images.Clear();
//SaveFileDialog save_dialog = new SaveFileDialog();
//save_dialog.Filter = "Png Image|*.png|Bitmap Image|*.bmp";
//if (save_dialog.ShowDialog() == DialogResult.OK)
//{
// switch (save_dialog.FilterIndex)
// {
// case 0:
// {
// image_final.Save(save_dialog.FileName, ImageFormat.Png);
// }
// break;
// case 1:
// {
// image_final.Save(save_dialog.FileName, ImageFormat.Bmp);
// }
// break;
// }
//}
MessageBox.Show("DONE!");
}
else
{
MessageBox.Show("Error: Not enough images for the size of the container. Please add more images");
}
}
