Cryptanalysis of Several Conference Key Distribution Schemes. - Atsushi Shimbo; Shin-ichi Kawamura (ASIACRYPT, 1991)

File-Based Network Collaboration System. - Toshinari Takahashi; Atsushi Shimbo; Masao Murota (USENIX Security Symposium, 1995)

Cox-Rower Architecture for Fast Parallel Montgomery Multiplication. - Shin-ichi Kawamura; Masanobu Koike; Fumihiko Sano; Atsushi Shimbo (EUROCRYPT, 2000)

Implementation of RSA Algorithm Based on RNS Montgomery Multiplication. - Hanae Nozaki; Masahiko Motoyama; Atsushi Shimbo; Shin-ichi Kawamura (CHES, 2001)

RNS Montgomery Multiplication Algorithm for Duplicate Processing of Base Transformations. - Hanae Nozaki; Atsushi Shimbo; Shinichi Kawamura (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

On the Security of Probabilistic Multisignature Schemes and Their Optimality. - Yuichi Komano; Kazuo Ohta; Atsushi Shimbo; Shin-ichi Kawamura (Mycrypt, 2005)

An SPA-Based Extension of Schindler's Timing Attack against RSA Using CRT. - Yuuki Tomoeda; Hideyuki Miyake; Atsushi Shimbo; Shin-ichi Kawamura (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Formal Security Model of Multisignatures. - Yuichi Komano; Kazuo Ohta; Atsushi Shimbo; Shin-ichi Kawamura (ISC, 2006)

Toward the Fair Anonymous Signatures: Deniable Ring Signatures. - Yuichi Komano; Kazuo Ohta; Atsushi Shimbo; Shin-ichi Kawamura (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Provably Secure Multisignatures in Formal Security Model and Their Optimality. - Yuichi Komano; Kazuo Ohta; Atsushi Shimbo; Shin-ichi Kawamura (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

Algorithmic Tamper Proof (ATP) Counter Units for Authentication Devices Using PIN. - Yuichi Komano; Kazuo Ohta; Hideyuki Miyake; Atsushi Shimbo (ACNS, 2009)