A Key Escrow System with Protecting User's Privacy by Blind Decoding. - Kouichi Sakurai; Yoshinori Yamani; Shingo Miyazaki; Tohru Inoue (ISW, 1997)

A More Efficient Untraceable E-Cash System with Partially Blind Signatures Based on the Discrete Logarithm Problem. - Shingo Miyazaki; Kouichi Sakurai (Financial Cryptography, 1998)

On Threshold RSA-Signing with no Dealer. - Shingo Miyazaki; Kouichi Sakurai; Moti Yung (ICISC, 1999)

Toward Fair International Key Escrow. - Shingo Miyazaki; Ikuko Kuroda; Kouichi Sakurai (Public Key Cryptography, 1999)

An Anonymous Electronic Bidding Protocol Based on a New Convertible Group Signature Scheme. - Kouichi Sakurai; Shingo Miyazaki (ACISP, 2000)

Security Analysis of Offline E-cash Systems with Malicious Insider. - Takashi Nishide; Shingo Miyazaki; Kouichi Sakurai (J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl., 2012)