Improved Upper Bounds of Differential and Linear Characteristic Probability for Camellia. - Taizo Shirai; Shoji Kanamaru; George Abe (FSE, 2002)

On Feistel Ciphers Using Optimal Diffusion Mappings Across Multiple Rounds. - Taizo Shirai; Bart Preneel (ASIACRYPT, 2004)

Improving Immunity of Feistel Ciphers against Differential Cryptanalysis by Using Multiple MDS Matrices. - Taizo Shirai; Kyoji Shibutani (FSE, 2004)

On Feistel Structures Using a Diffusion Switching Mechanism. - Taizo Shirai; Kyoji Shibutani (FSE, 2006)

The 128-Bit Blockcipher CLEFIA (Extended Abstract). - Taizo Shirai; Kyoji Shibutani; Toru Akishita; Shiho Moriai; Tetsu Iwata (FSE, 2007)

On Generalized Feistel Structures Using the Diffusion Switching Mechanism. - Taizo Shirai; Kiyomichi Araki (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

Low-weight Pseudo Collision Attack on Shabal and Preimage Attack on Reduced Shabal-512. - Takanori Isobe 001; Taizo Shirai (IACR Cryptol. ePrint Arch., 2010)

Piccolo: An Ultra-Lightweight Blockcipher. - Kyoji Shibutani; Takanori Isobe 001; Harunaga Hiwatari; Atsushi Mitsuda; Toru Akishita; Taizo Shirai (CHES, 2011)

Public-Key Identification Schemes Based on Multivariate Quadratic Polynomials. - Koichi Sakumoto; Taizo Shirai; Harunaga Hiwatari (CRYPTO, 2011)

On Provable Security of UOV and HFE Signature Schemes against Chosen-Message Attack. - Koichi Sakumoto; Taizo Shirai; Harunaga Hiwatari (PQCrypto, 2011)