void inviteUsersToChat(string chatName, string username)
{
string chatId = myChats[chatName].chatId;
string joinerId = otherUsers[username].user_id;
string joinerPubKey = otherUsers[username].pubKey;
string symKeyEncrypted = myChats[chatName].getSharableKey();
// User's pub key is used to encrypt symmetric key
AsymmetricKeyHelper asymKeyHelper = new AsymmetricKeyHelper("otherUserKey");
symKeyEncrypted = asymKeyHelper.EncryptWithAnotherPublicKey(symKeyEncrypted, joinerPubKey);
string message = "{\"access_id\": \"" + this.access_id + "\", \"chatId\": \"" + chatId + "\", \"symKey\": \"" + symKeyEncrypted + "\", \"joinerId\": \"" + joinerId + "\"}";
serverConnection.WriteMessage("allowUserToJoinChat", message);
}
