We can solve the more difficult of the two challenges with $2$ to $5$ power traces, which is much less than was available in the contest.
Our attack combines techniques from machine learning with classical techniques. The attack was superior to all classical and deep learning based attacks which we have tried. Moreover, it provides some insights on the implementation.
Category / Keywords: implementation / Machine learning, side channels, SAT solver Date: received 30 Jan 2019 Contact author: aron gohr at bsi bund de Available format(s): PDF | BibTeX Citation Version: 20190131:230649 (All versions of this report) Short URL: ia.cr/2019/094