/// <summary>
/// Helper method to sign members up. Writes information to XML.
/// Called upon correct user input of account creation.
/// </summary>
private void signup()
{
int i;
string[] data = new string[4];
byte[] encrypted;
string strEncrypted = "";
string key = "";
string iv = "";
data[0] = txt_username.Text;
Aes aesAlg = Aes.Create();
// store key for de-cryption
for (i = 0; i < aesAlg.Key.Length - 1; i++)
{
key += aesAlg.Key[i].ToString() + ",";
}
key += aesAlg.Key[i].ToString();
data[2] = key;
// store iv for de-cryption
for (i = 0; i < aesAlg.IV.Length - 1; i++)
{
iv += aesAlg.IV[i].ToString() + ",";
}
iv += aesAlg.IV[i].ToString();
data[3] = iv;
// Encrypt
using (aesAlg)
{
encrypted = EncryptDecypt.EncryptStringToBytes_Aes(txt_pass.Text, aesAlg.Key, aesAlg.IV);
}
// encrypted text - password
for (i = 0; i < encrypted.Length - 1; i++)
{
strEncrypted += encrypted[i].ToString() + ",";
}
strEncrypted += encrypted[i].ToString();
data[1] = strEncrypted;
EncryptDecypt.writeXml(data, false);
Session["username"] = data[0];
Session["staff"] = false;
Response.Redirect("~/stockPage.aspx");
}
/// <summary>
/// Event handler to add staff members to the staff.xml file.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btn_add_Click(object sender, EventArgs e)
{
int i;
string[] data = new string[4];
byte[] encrypted;
string strEncrypted = "";
string key = "";
string iv = "";
data[0] = txt_username.Text;
Aes aesAlg = Aes.Create();
// store key for de-cryption
for (i = 0; i < aesAlg.Key.Length - 1; i++)
{
key += aesAlg.Key[i].ToString() + ",";
}
key += aesAlg.Key[i].ToString();
data[2] = key;
// store iv for de-cryption
for (i = 0; i < aesAlg.IV.Length - 1; i++)
{
iv += aesAlg.IV[i].ToString() + ",";
}
iv += aesAlg.IV[i].ToString();
data[3] = iv;
using (aesAlg)
{
encrypted = EncryptDecypt.EncryptStringToBytes_Aes(txt_pass.Text, aesAlg.Key, aesAlg.IV);
}
//encrypted text - password
for (i = 0; i < encrypted.Length - 1; i++)
{
strEncrypted += encrypted[i].ToString() + ",";
}
strEncrypted += encrypted[i].ToString();
data[1] = strEncrypted;
EncryptDecypt.writeXml(data, true);
}