private void button1_Click(object sender, EventArgs e)//sender
{
string appSign = "UrfaDiyarbakir";
if (listBox1.SelectedIndex >= 0)
{
char[] charsToTrim = { ' ', '"' };
int index = listBox1.SelectedIndex;
var dateTime = DateTime.Now;
string mailfrom = logformobj.getUsrName();
string mailpass = logformobj.getUsrPass();
try
{
string encryptedAESkey = friends[index, 0].Trim(charsToTrim);
string decryptedAESkey = RSAobj.Decrypt(encryptedAESkey);
string mailTo = friends[index, 2].Trim(charsToTrim);
var post = new MailMessage(mailfrom, mailTo);
string MailSign = textBox1.Text + "\n" + dateTime;
string cryptedMailSign = RSAobj.SignData(MailSign);
post.Subject = AesCrypt.EncryptParam(textBox2.Text, decryptedAESkey);
post.Body = AesCrypt.Encrypt(appSign) + "---AppSign---" + AesCrypt.Encrypt(EncryptedMailApp.LoginForm.user) + "---Username---" + AesCrypt.EncryptParam(textBox1.Text + "\n" + dateTime, decryptedAESkey) + "---Body---" + cryptedMailSign + "---Sign---";
;
using (SmtpClient smtp = new SmtpClient("smtp.gmail.com", 587))
{
smtp.Credentials = new NetworkCredential(mailfrom, mailpass);
smtp.EnableSsl = true;
if (!string.IsNullOrEmpty(textBox3.Text))
{
EncryptedMailApp.CryptoStuff.EncryptFile(password, textBox3.Text, textBox3.Text + "crp");
Attachment data = new Attachment(textBox3.Text + "crp");
post.Attachments.Add(data);
smtp.Send(post);
MessageBox.Show("Email Sent With Attachment");
}
else
{
smtp.Send(post);
MessageBox.Show("Email Sent");
}
}
}
catch
{
MessageBox.Show("ERROR");
}
}
else
{
MessageBox.Show("There is no selected friend!");
}
}
