> SHA1DC detects attempts to spoof SHA1 in a way that leads to collisions This is the kind of detail I would have loved to see quoted directly in the article.

> SHA1DC detects attempts to spoof SHA1 in a way that leads to collisions This is the kind of detail I would have loved to see quoted directly in the article. Sure enough, it's prominently displayed on the project's README::about section, but your very succinct explanation here made it clear in immediate context. The idea of counter-cryptanalysis is eye-opening.