If a right is authority, then that authority is given when a wolf demonstrates ability. When the wolf looses the ability, the authority is given to another.
When a candidate is duly elected for the office of the President, that person then has the right to take office. No one can step in and say "even though Congress certified your electoral victory, you can't take office". That candidate has the authority to assume office and has various tools at hand to enforce such if necessary.
If you fulfill the criteria to vote, meaning you can prove your citizenship and residency, then you have the right to vote. No one has the authority to step in and keep you from voting when you have demonstrated that you fulfill the criteria.