/// <summary>
/// creates new DB entry for contact and reloads contacts list. To get updated list of contacts use getContacts().
/// </summary>
/// <param name="name">Name of contact</param>
/// <param name="IPAddress">IP address of contact</param>
public void addContact(string name, string IPAddress)
{
//non-return query on database
//db.update($"INSERT INTO Users (username, IPAddress) VALUES (\"{name}\",\"{IPAddress}\")"); //ID incremented by DBMS
//loadContacts(); //reload list from DB
//create list of byte arrays to be encrypted with the same initialisation vector
List <byte[]> data = new List <byte[]>()
{
Encoding.UTF8.GetBytes(name), Encoding.UTF8.GetBytes(IPAddress)
};
Tuple <IEnumerable <byte[]>, byte[]> encResult = CryptoUtility.AESEncryptCollection(data, Globals.getMasterKey());
data = (List <byte[]>)encResult.Item1; //extracts list of encrypted bytes from result
byte[] encName = data[0];
byte[] encIPAddress = data[1];
byte[] IV = encResult.Item2; //initialisation vector used to encrypt both values
//non-return query on database
db.userInsert($"INSERT INTO Users (username, IPAddress, IV) VALUES (@username,@IPAddress,@IV)", encName, encIPAddress, IV);
loadContacts(); //reload list form DB
}