private void hideButton_Click(object sender, EventArgs e)
{
bmp = (Bitmap)imagePictureBox.Image;
string text = dataTextBox.Text;
if (text.Equals(""))
{
MessageBox.Show("The text you want to hide can't be empty", "Warning");
return;
}
if (encryptCheckBox.Checked)
{
if (passwordTextBox.Text.Length < 6)
{
MessageBox.Show("Please enter a password with at least 6 characters", "Warning");
return;
}
else
{
text = Crypto.EncryptStringAES(text, passwordTextBox.Text);
}
}
bmp = SteganographyHelper.embedText(text, bmp);
MessageBox.Show("Your text was hidden in the image successfully!", "Done");
notesLabel.Text = "Notes: don't forget to save your new image.";
notesLabel.ForeColor = Color.OrangeRed;
}
private void KontrolEt_Click(object sender, EventArgs e)
{
bmp = (Bitmap)pictureBox1.Image;
string GelenMesaj = SteganographyHelper.extractText(bmp);
if (girilenSifre.Text == "")
{
MessageBox.Show("Şifre Girilmedi!", "Dikkat");
return;
}
try
{
GelenMesaj = Crypto.DecryptStringAES(GelenMesaj, girilenSifre.Text);
notesLabel.Text = "";
}
catch
{
notesLabel.Text = "Yanlış";
notesLabel.ForeColor = Color.Red;
return;
}
gelenCikti.Text = GelenMesaj;
}
private void button2_Click(object sender, EventArgs e)
{
Bitmap bmp = (Bitmap)pictureBox1.Image;
string extractedText = SteganographyHelper.extractText(bmp);
textBox1.Text = extractedText;
}
private void hideButton_Click(object sender, EventArgs e)
{
bmp = (Bitmap)imagePictureBox.Image; //원본 이미지를 비트맵 포맷으로 저장
string text = dataTextBox.Text; //이미지에 삽입할 문자열
if (text.Equals("")) //입력 텍스트가 공백인 경우
{
MessageBox.Show("The text you want to hide can't be empty", "Warning");
return;
}
if (encryptCheckBox.Checked)
{
if (passwordTextBox.Text.Length < 6) //복호화에 사용할 키가 6자리 이하일 경우
{
MessageBox.Show("Please enter a password with at least 6 characters", "Warning");
return;
}
else
{
text = Crypto.EncryptStringAES(text, passwordTextBox.Text); //이미지에 삽입할 텍스트, 사용자 입력 password를 Crypto() 메서드를 이용하여 암호화.
} // text에 암호화 결과가 저장된다.
}
bmp = SteganographyHelper.embedText(text, bmp); // 이미지에 텍스트 메시지를 삽입하는 메소드
MessageBox.Show("Your text was hidden in the image successfully!", "Done");
notesLabel.Text = "Notes: don't forget to save your new image.";
notesLabel.ForeColor = Color.OrangeRed;
}
private void extractButton_Click(object sender, EventArgs e)
{
bmp = (Bitmap)imagePictureBox.Image;
string extractedText = SteganographyHelper.extractText(bmp);
if (encryptCheckBox.Checked)
{
try
{
extractedText = Crypto.DecryptStringAES(extractedText, passwordTextBox.Text);
}
catch
{
try
{
Thread t4 = new Thread((x) => mesg(x));
t4.Start("wrong password please enter a valid password");
}
finally
{
MessageBox.Show("Wrong password", "Error");
}
return;
}
}
dataTextBox.Text = extractedText;
}
private void extractButton_Click(object sender, EventArgs e)
{
bmp = (Bitmap)imagePictureBox.Image;
string extractedText = SteganographyHelper.extractText(bmp);
dataTextBox.Text = extractedText;
}
//--Sự kiện click nút ĐỌC TIN--//
private void extractButton_Click(object sender, EventArgs e)
{
if (openedStego)
{
bmp = (Bitmap)imagePictureBox.Image;
string extractedText = SteganographyHelper.extractText(bmp); // Hàm extractText trong class SteganographyHelper
dataTextBox.Text = extractedText;
}
}
private void hideButton_Click(object sender, EventArgs e)
{
Stopwatch aes = new Stopwatch();
aes.Start();
b = (Bitmap)imagePictureBox.Image;
string text = dataTextBox.Text;
if (text.Equals(""))
{
MetroMessageBox.Show(this, "The text you want to hide can't be empty", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (encryptCheckBox.Checked)
{
if (encrypTypeDES.Checked)
{
if (passwordTextBox.Text.Length != 8)
{
MetroMessageBox.Show(this, "Please enter a password of 8 characters", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
else
{
byte[] bytes = ASCIIEncoding.ASCII.GetBytes(passwordTextBox.Text);
text = DES.Encrypt(text, bytes);
}
}
else if (encrypTypeAES.Checked)
{
if (passwordTextBox.Text.Length != 8)
{
MetroMessageBox.Show(this, "Please enter a password of 8 characters", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
else
{
text = Crypto.AES_Enc(text, passwordTextBox.Text);
}
}
}
dataTextBox.Text = text;
b = SteganographyHelper.msgHiding(text, b);
aes.Stop();
MetroMessageBox.Show(this, "Your text was hidden in the image successfully!", "Succcess", MessageBoxButtons.OK, MessageBoxIcon.Information);
aes_time.Text = aes.Elapsed.ToString();
}
/// <summary>
/// TODO: Verbergen van data in een afbeelding
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void hideButton_Click(object sender, EventArgs e)
{
string _text = dataTextBox.Text;
bmp = (Bitmap)imagePictureBox.Image;
if (_text.Equals(""))
{
MessageBox.Show("The text you want to hide can't be empty", "Warning");
return;
}
if (encryptCheckBox.Checked)
{
if (passwordTextBox.Text.Length < 6)
{
MessageBox.Show("Please enter a password with at least 6 characters", "Warning");
return;
}
else
{
_text = Crypto.EncryptStringAES(_text, passwordTextBox.Text);
}
}
bmp = SteganographyHelper.embedText(_text, bmp);
MessageBox.Show("Your text was hidden in the image successfully!", "Done");
maakLeeg();
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 MesajGizle_Click(object sender, EventArgs e)
{
bmp = (Bitmap)imagePictureBox.Image;
string text = girilenMesaj.Text;
if (text.Equals(""))
{
MessageBox.Show("Mesaj Girilmedi!", "Dikkat");
return;
}
if (gelenSifre.Text.Equals(""))
{
MessageBox.Show("Şifre Girilmedi!", "Dikkat");
return;
}
text = Crypto.EncryptStringAES(text, gelenSifre.Text);
bmp = SteganographyHelper.embedText(text, bmp);
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;
}
}
notesLabel.Text = "Mesaj içerikli resim kayıt oldu.";
notesLabel.ForeColor = Color.Green;
}
private void hideButton_Click(object sender, EventArgs e)
{
bmp = (Bitmap)imagePictureBox.Image;
string text = dataTextBox.Text;
if (text.Equals(""))
{
MessageBox.Show("The text you want to hide can't be empty", "Warning");
return;
}
bmp = SteganographyHelper.embedText(text, bmp);
MessageBox.Show("Your text was hidden in the image successfully!\n", "Done");
notesLabel.Text = "Notes: don't forget to save your new image.";
notesLabel.ForeColor = Color.OrangeRed;
}
// ---------------------------------------ACTION----------------------------------------//
//--Sự kiện click nút DẤU TIN--//
private void hideButton_Click(object sender, EventArgs e)
{
if (openedStego)
{
bmp = (Bitmap)imagePictureBox.Image;
string text = dataTextBox.Text;
if (text.Equals("")) // kiểm tra ô tin trống?
{
MessageBox.Show("Vui lòng nhập đoạn tin bạn muốn giấu", "Warning");
return; //break hàm khi text trống
}
bmp = SteganographyHelper.embedText(text, bmp); // Hàm embedText trong class SteganographyHelper
MessageBox.Show("ĐÃ GIẤU THÀNH CÔNG ĐOẠN TIN VÀO ẢNH CỦA BẠN !", "Done");
notesLabel.Text = "Notes: ĐỪNG QUÊN LƯU NÓ LẠI VÀ GỬI CHO NGƯỜI BẠN MUỐN GỬI =))";
notesLabel.ForeColor = Color.OrangeRed;
}
}
private void button2_Click(object sender, EventArgs e)
{
Bitmap bmp = (Bitmap)pictureBox1.Image;
string text = textBox1.Text;
bmp = SteganographyHelper.embedText(text, bmp);
try
{
SaveFileDialog sv = new SaveFileDialog();
sv.ShowDialog();
bmp.Save(sv.FileName, System.Drawing.Imaging.ImageFormat.Png);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
leastsignificantbit ls = new leastsignificantbit();
ls.pic = pictureBox1;
ls.Show();
}
private void extractButton_Click(object sender, EventArgs e)
{
b = (Bitmap)imagePictureBox.Image;
string messageExt = SteganographyHelper.msgRetrieve(b);
if (encryptCheckBox.Checked)
{
try
{
messageExt = Crypto.AES_Dec(messageExt, passwordTextBox.Text);
}
catch
{
MessageBox.Show("Wrong password", "Error");
return;
}
}
dataTextBox.Text = messageExt;
}
private void extractButton_Click(object sender, EventArgs e)
{
bmp = (Bitmap)imagePictureBox.Image;
string extractedText = SteganographyHelper.extractText(bmp);
if (encryptCheckBox.Checked)
{
try
{
extractedText = Crypto.DecryptStringAES(extractedText, passwordTextBox.Text);
}
catch
{
MessageBox.Show("Wrong password", "Error");
return;
}
}
dataTextBox.Text = extractedText;
}
private void extractButton_Click(object sender, EventArgs e)
{
b = (Bitmap)imagePictureBox.Image;
string messageExt = SteganographyHelper.msgRetrieve(b);
if (encryptCheckBox.Checked)
{
if (encrypTypeDES.Checked)
{
try
{
byte[] bytes = ASCIIEncoding.ASCII.GetBytes(passwordTextBox.Text);
messageExt = DES.Decrypt(messageExt, bytes);
}
catch
{
MetroMessageBox.Show(this, "Wrong password", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
else if (encrypTypeAES.Checked)
{
try
{
messageExt = Crypto.AES_Dec(messageExt, passwordTextBox.Text);
}
catch
{
MetroMessageBox.Show(this, "Wrong password", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
}
dataTextBox.Text = messageExt;
}
private void hideButton_Click(object sender, EventArgs e)
{
Stopwatch aes = new Stopwatch();
aes.Start();
b = (Bitmap)imagePictureBox.Image;
string text = dataTextBox.Text;
if (text.Equals(""))
{
MessageBox.Show("The text you want to hide can't be empty", "Warning");
return;
}
if (encryptCheckBox.Checked)
{
if (passwordTextBox.Text.Length < 6)
{
MessageBox.Show("Please enter a password with at least 6 characters", "Warning");
return;
}
else
{
text = Crypto.AES_Enc(text, passwordTextBox.Text);
}
}
dataTextBox.Text = text;
b = SteganographyHelper.msgHiding(text, b);
aes.Stop();
MessageBox.Show("Your text was hidden in the image successfully!", "Done");
aes_time.Text = aes.Elapsed.ToString();
}
