private void store_Click(object sender, EventArgs e)
{
try
{
string s1, s2;
label4.Visible = true;
s1 = id.Text;
s2 = pwd.Text;
if (s1 == "" || s2 == "")
{
MessageBox.Show("Incorrect format. Empty values are not allowed!");
return;
}
string final = s1 + "%DELIMITER&" + s2;
//decrypt the privatekey.xml
Stream sm = new FileStream("privatekey.xml", FileMode.Open);
byte[] e_pvt = new byte[(int)sm.Length + 1];
sm.Read(e_pvt, 0, (int)sm.Length);
sm.Close();
char[] cp_pk = new char[e_pvt.Length + 1];
//convert byte array-e_pvt to char array and decrypt
i = 0;
while (i < e_pvt.Length)
{
cp_pk[i] = Convert.ToChar(e_pvt[i]);
i++;
}
encrypt_double ed = new encrypt_double();
char[] pt_pk = ed.decrypt(cp_pk, master_password.ToCharArray());
//convert pt_pk to byte array and write it
byte[] towrite = new byte[pt_pk.Length + 1];
i = 0;
while (i < pt_pk.Length)
{
towrite[i] = Convert.ToByte(pt_pk[i]);
i++;
}
Stream sm1 = new FileStream("privatekey.xml", FileMode.Create);
sm1.Write(towrite, 0, towrite.Length);
sm1.Close();
//code to encrypt and serialize the objects
cr = new Crypography();
string cipher = cr.crypt(final);
if (cipher.CompareTo("Illegal Values") != 0)
{
//code to deserialize the cipher class1
Stream stream = File.Open("string", FileMode.Open);
BinaryFormatter bformatter = new BinaryFormatter();
ob = (cipher)bformatter.Deserialize(stream);
stream.Close();
ob.assign(cipher);
//serialize the cipher object
Stream streamc = new FileStream("string", FileMode.Create);
BinaryFormatter bformatterc = new BinaryFormatter();
bformatterc.Serialize(streamc, ob);
streamc.Close();
id.Text = "";
pwd.Text = "";
}
else
{
MessageBox.Show("Illegal Values. Click 'Retrieve Passwords' to retrieve your old values.");
}
//again encrypt privatekey.xml
Stream sma = new FileStream("privatekey.xml", FileMode.Open);
byte[] pvt = new byte[(int)sma.Length + 1];
sma.Read(pvt, 0, (int)sma.Length);
sma.Close();
char[] plain_pka = new char[pvt.Length + 1];
//convert byte array-pvt to char array and encrypt
i = 0;
while (i < pvt.Length)
{
plain_pka[i] = Convert.ToChar(pvt[i]);
i++;
}
encrypt_double eda = new encrypt_double();
char[] cipher_pk = ed.encrypt(plain_pka, master_password.ToCharArray());
//convert cipher_pk to byte array and write it
byte[] towritea = new byte[cipher_pk.Length + 1];
i = 0;
while (i < cipher_pk.Length)
{
towritea[i] = Convert.ToByte(cipher_pk[i]);
i++;
}
Stream sm1a = new FileStream("privatekey.xml", FileMode.Create);
sm1a.Write(towritea, 0, towritea.Length);
sm1a.Close();
Stream sss = new FileStream("success", FileMode.Create);
sss.Close();
}
catch (Exception ed)
{
MessageBox.Show("An error occured while storing the passwords");
}
}
