private void btn_modify_Click(object sender, EventArgs e)
{
byte[] data = UTF8Encoding.UTF8.GetBytes(txt_securityanswer.Text);
using (MD5CryptoServiceProvider mdS = new MD5CryptoServiceProvider())
{
byte[] keys = mdS.ComputeHash(UTF8Encoding.UTF8.GetBytes(hash));
using (TripleDESCryptoServiceProvider tripDes = new TripleDESCryptoServiceProvider()
{
Key = keys, Mode = CipherMode.ECB, Padding = PaddingMode.PKCS7
})
{
ICryptoTransform transform = tripDes.CreateEncryptor();
byte[] results = transform.TransformFinalBlock(data, 0, data.Length);
lbl_encrypttext.Text = Convert.ToBase64String(results, 0, results.Length);
}
}
if (cbox_securityquestion.Text == "")
{
cbox_securityquestion.Focus();
errorProvider1.SetError(cbox_securityquestion, "Please select the security question");
}
else if (txt_securityanswer.Text == "")
{
txt_securityanswer.Focus();
errorProvider2.SetError(txt_securityanswer, "Please enter the security answer");
}
else
{
int uuid;
int.TryParse(lbl_userid.Text, out uuid);
tbl_user_detailsTableAdapter1.UpdateQueryForModifySecurityQuestions(cbox_securityquestion.SelectedItem.ToString(), lbl_encrypttext.Text, uuid);
MessageBox.Show("The answer for your security question has been successfully modified!");
frm_modifysecurityquestions frm = new frm_modifysecurityquestions();
frm.Show();
this.Hide();
}
}
private void modifySecurityQuestionsToolStripMenuItem_Click(object sender, EventArgs e)
{
frm_modifysecurityquestions frm = new frm_modifysecurityquestions();
frm.Show();
}
