Some of the downvotes may be from crypto-programmers' frustrations, too. I mean, obviously, someone has to code crypto, or else it wouldn't exist. But, whenev

Some of the downvotes may be from crypto-programmers' frustrations, too. I mean, obviously, someone has to code crypto, or else it wouldn't exist. But, whenever you try talking about the topic online -- whether you're doing it professionally or for self-education -- a probably well-meaning chorus of spam comments warn against doing anything. I suspect that some crypto-folks have given up rebutting the don't-roll-your-own stuff and just down-vote reflexively.