private void AcceptFriendAsync()
{
string invitingPublicDHKey = lastRecivedInvitation.publicKeySender;
string p = lastRecivedInvitation.p;
string g = lastRecivedInvitation.g;
string invitationID = lastRecivedInvitation.invitationId.ToString();
model.ReceivedInvitations.RemoveAt(model.ReceivedInvitations.Count - 1);
lastRecivedInvitation = null;
OnPropertyChanged(nameof(InvitationsBoxVisibility));
OnPropertyChanged(nameof(LastInvitationUsername));
(string publicDHKey, byte[] privateDHKey) = model.GenerateDHKeys(p, g);
byte[] conversationKey = model.GenerateConversationKey(invitingPublicDHKey, p, g, privateDHKey);
(string conversationID, byte[] conversationIV) = model.AcceptFriendInvitation(invitationID, publicDHKey);
byte[] encryptedConversationKey = Security.AESEncrypt(conversationKey, model.UserKey, conversationIV); //Using userKey to encrypt conversationKey
model.SendEncryptedConversationKey(conversationID, encryptedConversationKey);
if (model.ReceivedInvitations.Count > 0)
{
lastRecivedInvitation = model.ReceivedInvitations[^ 1];
