Security on Hybrid Encryption with the Tag-KEM/DEM Framework. - Toshihide Matsuda; Ryo Nishimaki; Akira Numayama; Keisuke Tanaka (ACISP, 2009)

CCA Proxy Re-Encryption without Bilinear Maps in the Standard Model. - Toshihide Matsuda; Ryo Nishimaki; Keisuke Tanaka (Public Key Cryptography, 2010)