private void Button2_Click(object sender, EventArgs e)
{
WindowsFormsApp2.SignUp sg = new WindowsFormsApp2.SignUp();
this.Hide();
sg.ShowDialog();
this.Close();
}
private void button1_Click(object sender, EventArgs e)
{
//Form3 main = new Form3();
//this.Hide();
//main.ShowDialog(this);
WindowsFormsApp2.SignUp su = new WindowsFormsApp2.SignUp();
if (textBox1.Text == "")
{
MessageBox.Show("Username cannot be empty!");
}
else if (textBox2.Text == "")
{
MessageBox.Show("Password cannot be empty!");
}
else
{
int flag = 0;
String databasePass = "";
query = "select * from signup where username='******' ";
cmd = new OracleCommand(query, con);
con.Open();
rd = cmd.ExecuteReader();
while (rd.Read())
{
databasePass = rd["password"].ToString();
flag = 1;
}
rd.Close();
con.Close();
if (flag == 0)
{
MessageBox.Show("Username doesn't exist! Please try again!");
textBox1.Text = "";
textBox2.Text = "";
textBox1.Focus();
}
// change this to accomodate ith hashing
// textbox2.text should be hashed and matched with str
// 1. Find the username and his corresponding salt
// 2. concatenate the salt with textbox pass and hash
// 3. compare hash with signup hash
else if (su.GenerateSHA512Hash(textBox2.Text, getSalt(textBox1.Text)) == databasePass)
{
MessageBox.Show("Login Successfull!");
Form3 mm = new Form3();
this.Hide();
mm.ShowDialog();
this.Close();
}
else
{
MessageBox.Show("Username and Password doesn't match! Please enter correct username and password");
}
}
}
