private string EncryptPassword(string password)
{
SDES sdes = new SDES();
sdes.SetKeys(10);
byte[] password_encrypted = sdes.EncryptText(ConvertToByte(password));
return(ConvertToString(password_encrypted));
}
public MessageModel EncryptMessage(MessageModel message)
{
var usersDB = db.GetCollection <UserModel>("users");
int trasnmitter_key = usersDB.Find(x => x.UserName == message.Transmitter).ToList()[0].Key;
int receiver_key = usersDB.Find(x => x.UserName == message.Receiver).ToList()[0].Key;
DiffieHellman df = new DiffieHellman();
int publickey = df.GetPublicKey(trasnmitter_key);
int commonkey = df.GetCommonKey(publickey, receiver_key);
SDES sdes = new SDES();
sdes.SetKeys(commonkey);
message.Content = ConvertToString(sdes.EncryptText(ConvertToByte(message.Content)));
return(message);
}
