Camille Vuillaume Katsuyuki Okeya Erik Dahmen Johannes Buchmann Public Key Authentication with Memory Tokens. 84-98 2008 WISA http://dx.doi.org/10.1007/978-3-642-00306-6_7 conf/wisa/2008 db/conf/wisa/wisa2008.html#VuillaumeODB08