> What do La Croix, octonions, and Second Life have in common?

This year for CSAW CTF, Trail of Bits contributed two cryptography problems. In the first problem, you could combine two bugs to break DSA much like the Playstation 3 firmware hackers. The other challenge–-weirder and mathier–-was split into two parts: one for the qualifiers, one in finals. This challenge, “Holywater,” was some of the most […]