A Tree Based One-Key Broadcast Encryption Scheme with Low Computational Overhead. - Tomoyuki Asano; Kazuya Kamio (ACISP, 2005)

A Lightweight Tree Based One-Key Broadcast Encryption Scheme. - Tomoyuki Asano; Kazuya Kamio (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)