"..attackers aren't asked to release their designs, merely to provide the resulting C code."
Designs - haha, good one! :-)
Defender or attacker, it's less than a fortnight away from the WhibOx Challenge, a capture-the-flag (CTF) competition operated by the EU-supported ECRYPT. If you're on the defensive side, the CTF asks for white-box implementations of AES-128 (using keys of your own choice), to see how long you last against an attacker. The …