Schneier: "Cory Doctorow wanted a secret decoder wedding ring, and he asked me to help design it."

http://www.flickr.com/photos/doctorow/2817314740/http://www.schneier.com/

This is sort of a followon to yesterday's shell functions/dc post (the relevant tab was enqueued while trying to figure out the dc hex input thing). I'm sure some of you have seen RSA in 3 lines of perl before. Reading through the commented version is worthwhile, though, if you haven't previously spent the time. I don't think I understand the inner ( Read more... )