Unconditionally Secure Chaffing-and-Winnowing for Multiple Use. - Wataru Kitada; Goichiro Hanaoka; Kanta Matsuura; Hideki Imai (ICITS, 2007)

A Generic Construction of Timed-Release Encryption with Pre-open Capability. - Yasumasa Nakai; Takahiro Matsuda 002; Wataru Kitada; Kanta Matsuura (IWSEC, 2009)