Thanks. I think we'll change the url to this from [1].
Hacker News is an English-language site. Obviously, content in other languages is often just as good or better. But it is what this site is. Machine translation is surprisingly not bad these days, but I don't think it's a general solution here.
1. http://blog.zeit.de/mathe/allgemein/daten-verschluesselung-m...