Seung Geol Choi Javier Herranz Dennis Hofheinz Jung Yeon Hwang Eike Kiltz Dong Hoon Lee Moti Yung The Kurosawa-Desmedt key encapsulation is not chosen-ciphertext secure. 897-901 2009 109 Inf. Process. Lett. 16 http://dx.doi.org/10.1016/j.ipl.2009.04.007 db/journals/ipl/ipl109.html#ChoiHHHKLY09