You are Bad at Entropy.

Presenting a very old game, entitled: Man vs. Machine. Or, why Man is not a Particularly Good Source of Entropy.

Phuctor: Fun with Public-key Cryptography.

All of my readers are invited to test the security of their GPG public keys using a new and very simple online tool: “Phuctor” (part of a long-term collaborative project with Mircea Popescu.)
Phuctor is based on cutting-edge Ancient Greek technology.

Engine now re-written, using GMP. Roughly 100-fold speed boost! The service is now essentially “real-time.”
Edit: Feel [...]

A Country of Which Nothing is Known but the Name.

If you came here via a search engine, you were probably looking for Pierre Cartier’s wonderful mini-biography of the mathematician Alexander Grothendieck – from which I shamelessly stole the title. Please go straight there. Otherwise…

“And so no one, except for two people, enters the top floor of the Aedificium. …”
The abbot smiled. “No one should. [...]