Tetsutaro Kobayashi Eiichiro Fujisaki Security of ESIGN-PSS. 1395-1405 2007 90-A IEICE Transactions 7 http://dx.doi.org/10.1093/ietfec/e90-a.7.1395 db/journals/ieicet/ieicet90a.html#KobayashiF07