This white-box, made by Axel Tillequin, is one of several steps that constituted the SSTIC 2012 challenge.
Ref: http://communaute.sstic.org/ChallengeSSTIC2012
The white-box was taken directly from Jean Sigwald's write-up.
Ref: http://static.sstic.org/challenge2012/jean_sigwald.pdf
targetcontains the original white-box and instructions how to use it, as well as the solution (the key to recover).DCAcontains the DCA attack against this challenge.
See the projet wiki for the corresponding tutorial.