Jeremy Lee Mohammad Tehranipoor Chintan Patel Jim Plusquellic Securing Designs against Scan-Based Side-Channel Attacks. 325-336 2007 4 IEEE Trans. Dependable Sec. Comput. 4 http://doi.ieeecomputersociety.org/10.1109/TDSC.2007.70215 db/journals/tdsc/tdsc4.html#LeeTPP07