Julien Bringer Hervé Chabanne Thomas Icart Improved Privacy of the Tree-Based Hash Protocols Using Physically Unclonable Function. 77-91 2008 SCN http://dx.doi.org/10.1007/978-3-540-85855-3_6 conf/scn/2008 db/conf/scn/scn2008.html#BringerCI08