Dae Hyun Yum Jong Hoon Shin Pil Joong Lee Security Analysis of Yeh-Tsai Security Mechanism. 1477-1480 2008 91-D IEICE Transactions 5 http://dx.doi.org/10.1093/ietisy/e91-d.5.1477 db/journals/ieicet/ieicet91d.html#YumSL08