private void btnPlay_Click(object sender, EventArgs e)
{
if (!this._initialized)
{
if (!this.Initialize())
{
return;
}
this._initialized = true;
}
if (this._initialized && !this._isPlaying)
{
if (this._message != null)
{
this._message.Dispose();
}
RC4 rc4 = new RC4(this.txt_keyLive.Text, this.rtxt_liveMessage.Text);
this._message = new HideIt.Stego.Message(this.txt_keyLive.Text, rc4.ApplyRC4());
this._liveProcessor.StartCapturing(this._message, this.cb_stopAutomatically.Checked);
this._isPlaying = true;
}
///data inserrtion to maintain log table
string _stego_file_name = txt_saveCapturedPath.Text;
string _key = txt_keyLive.Text;
string _time = DateTime.Now.ToLongTimeString();
string _date = DateTime.Now.ToShortDateString();
SqlConnection conn = new SqlConnection(DB.DbConnectionStr.conect());
SqlCommand query = new SqlCommand("insert into Log_Table values('" + _stego_file_name + "','" + _key + "', '" + _date + "', '" + _time + "')", conn);
try
{
conn.Open();
query.ExecuteNonQuery();
///MessageBox.Show("Record entered successfully.");
conn.Close();
}
catch (SqlException ex)
{
MessageBox.Show("Exception Accured" + ex, "Window Warning");
}
}
/// <summary>
/// Called when new task is registered with background worker
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void backgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorkerArgs args = e.Argument as BackgroundWorkerArgs;
///Set the result to args that will be used when operations completes
e.Result = args;
if (args != null)
{
switch (args.Action)
{
case ActionType.Hide:
//User has entered a save path for stego object, start hiding
using (Status status = new Status(this, this.lbl_status, "Hidding..."))
{
RC4 encrypt = new RC4(args.Message.Key, args.Message.SecertMessage);
HideIt.Stego.Message message = new HideIt.Stego.Message(
args.Message.Key, encrypt.ApplyRC4());
using (LockUI lockUi = new LockUI(this))
{
this._processor.Hide(message, args.SinkPath);
//"hide" tab selected
}
}
break;
case ActionType.Extract:
using (Status status = new Status(this, this.lbl_status, "Extracting..."))
{
using (LockUI lockUi = new LockUI(this))
{
args.Message = this._processor.Extract(args.Key);
//"extract" tab selected
}
}
if (args.Message == null)
{
UIMessage.Info("Cannot extract message from stego object because of one of the following reasons:\r\n" +
"-Stego object do no contain any message\r\n" +
"-Key provided do not match with the key used to hide message",
"Extract Message");
return;
}
RC4 decrypt = new RC4(args.Key, args.Message.SecertMessage);
if (this.rtxt_hiddenMsg.InvokeRequired)
{
this.rtxt_hiddenMsg.Invoke((MethodInvoker)(() => { this.rtxt_hiddenMsg.Text = decrypt.ApplyRC4(); }));
}
else
{
this.rtxt_hiddenMsg.Text = decrypt.ApplyRC4();
}
break;
}
}
}
