Challenges are fun, and they help us to understand how effective some protection techniques are. On this page, we aim to list challenges related to key hiding in software.

    White-box DES

    A GNU/Linux binary [wbDES] or Windows executable [wbDES.exe] can be downloaded. Both containt the same white-box DES encryption operation with fixed embbeded secret key:

    The challenge was put online in 2007. Two attacks surfaced almost at the same time, independently from each other

Don't hesitate to contact me if you are aware of other challenges of which I can include a pointer here.