If you used a one time pad you could skip the whole hack the election part and generate a key that reflects the actual totals after they've been published.
Hm... Is it a crime to write an email, not under oath, to a journalist accepting responsibility for a crime that one didn't commit (and had no idea was taking place)? I'd like to answer no but I'm sure a judge would use the "fire!" In a crowded movie theater analogy to answer in the affirmative.