Unconditionally Secure Key Insulated Cryptosystems: Models, Bounds and Constructions. - Yumiko Hanaoka; Goichiro Hanaoka; Junji Shikata; Hideki Imai (ICICS, 2002)

The Role of Arbiters in Asymmetric Authentication Schemes. - Goichiro Hanaoka; Junji Shikata; Yumiko Hanaoka; Hideki Imai (ISC, 2003)

Identity-Based Hierarchical Strongly Key-Insulated Encryption and Its Application. - Yumiko Hanaoka; Goichiro Hanaoka; Junji Shikata; Hideki Imai (IACR Cryptol. ePrint Arch., 2004)

Unconditionally Secure Chaffing-and-Winnowing: A Relationship Between Encryption and Authentication. - Goichiro Hanaoka; Yumiko Hanaoka; Manabu Hagiwara; Hajime Watanabe; Hideki Imai (AAECC, 2006)

Parallel Key-Insulated Public Key Encryption. - Goichiro Hanaoka; Yumiko Hanaoka; Hideki Imai (Public Key Cryptography, 2006)

Reducing the Spread of Damage of Key Exposures in Key-Insulated Encryption. - Thi Lan Anh Phan; Yumiko Hanaoka; Goichiro Hanaoka; Kanta Matsuura; Hideki Imai (VIETCRYPT, 2006)

Unconditionally Secure Anonymous Encryption and Group Authentication. - Goichiro Hanaoka; Junji Shikata; Yumiko Hanaoka; Hideki Imai (Comput. J., 2006)