private void gen_key_e_sign_Click(object sender, EventArgs e)
{
int keysize = Convert.ToInt32(key_size_e_sign.SelectedItem.ToString());
SK = generator.Get_Key(keysize);
p = generator.P;
PK = generator.PUBLIC_KEY;
G = generator.G;
p_e_sign.Text = p.ToString();
sk_e_sign.Text = SK.ToString();
pk_e_sign.Text = PK.ToString();
g_e_sign.Text = G.ToString();
e_signature = new ElgamalSignature(PK, p, G, SK, key_sign);
}
private void file_key_e_sign_Click(object sender, EventArgs e)
{
OpenFileDialog get_file = new OpenFileDialog();
string file_name = "";
if (get_file.ShowDialog() == DialogResult.OK)
{
file_name = get_file.FileName;
}
string[] keys = new string[4];
try
{
using (StreamReader sr = new StreamReader(file_name))
{
string line;
int count = 0;
while ((line = sr.ReadLine()) != null)
{
keys[count++] = line;
}
if (keys[0].Length <= 320)
{
key_size_e_sign.Text = 1024.ToString();
key_sign = 1024;
}
else
{
key_size_e_sign.Text = 2048.ToString();
key_sign = 2048;
}
p = BigInteger.Parse(keys[0]);
SK = BigInteger.Parse(keys[1]);
PK = BigInteger.Parse(keys[2]);
G = BigInteger.Parse(keys[3]);
}
p_e_sign.Text = p.ToString();
sk_e_sign.Text = SK.ToString();
pk_e_sign.Text = PK.ToString();
g_e_sign.Text = G.ToString();
e_signature = new ElgamalSignature(PK, p, G, SK, key_sign);
}
catch
{
return;
}
}