A Method for Rapid RSA Key Generation. - Yasuko Gotoh; Kazuo Takaragi; Ryôichi Sasaki (Syst. Comput. Jpn., 1990)

Secure Fingerprinting Using Public-Key Cryptography (Position Paper). - Hiroshi Yoshiura; Ryôichi Sasaki; Kazuo Takaragi (Security Protocols Workshop, 1998)

A Multi-OS Approach to Trusted Computer Systems. - Hiroshi Yoshiura; Kunihiko Miyazaki; Shinji Itoh; Kazuo Takaragi; Ryôichi Sasaki (Security Protocols Workshop, 2001)

An Ultra Small Individual Recognition Security Chip. - Kazuo Takaragi; Mitsuo Usami; Ryo Imura; Rei Itsuki; Tsuneo Satoh (IEEE Micro, 2001)

Legally Authorized and Unauthorized Digital Evidence. - Hiroshi Yoshiura; Kunihiko Miyazaki; Shinji Itoh; Kazuo Takaragi; Ryôichi Sasaki (Security Protocols Workshop, 2002)

Integrity-Aware Mode of Stream Cipher. - Soichi Furuya; Dai Watanabe; Yoichi Seto; Kazuo Takaragi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

A Formal Analysis of a Digital Signature Architecture. - David A. Basin; Kunihiko Miyazaki; Kazuo Takaragi (IICIS, 2003)

A New Keystream Generator MUGI. - Dai Watanabe; Soichi Furuya; Hirotaka Yoshida; Kazuo Takaragi; Bart Preneel (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2004)

Verification of a Signature Architecture with HOL-Z. - David A. Basin; Hironobu Kuruma; Kazuo Takaragi; Burkhart Wolff (FM, 2005)

Generalized Powering Functions and Their Application to Digital Signatures. - Hisayoshi Sato; Tsuyoshi Takagi; Satoru Tezuka; Kazuo Takaragi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Verifying a signature architecture: a comparative case study. - David A. Basin; Hironobu Kuruma; Kunihiko Miyazaki; Kazuo Takaragi; Burkhart Wolff (Formal Aspects Comput., 2007)

Foreword. - Kazuo Takaragi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

Privacy-Enhancing Trust Infrastructure for Process Mining. - Sven Wohlgemuth; Kazuo Takaragi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

Competitive Compliance with Blockchain. - Sven Wohlgemuth; Katsuyuki Umezawa; Yusuke Mishina; Kazuo Takaragi (PerCom Workshops, 2019)

Safety and Security Analysis using LDA based on Case Reports: Case Study and Trust Evaluation Method. - Katsuyuki Umezawa; Hiroki Koyanagi; Sven Wohlgemuth; Yusuke Mishina; Kazuo Takaragi (ARES, 2022)

Evaluation of Applying LDA to Redacted Documents in Security and Safety Analysis. - Katsuyuki Umezawa; Sven Wohlgemuth; Keisuke Hasegawa; Kazuo Takaragi (CSR, 2023)

Secure Revocation Features in eKYC - Privacy Protection in Central Bank Digital Currency. - Kazuo Takaragi; Takashi Kubota; Sven Wohlgemuth; Katsuyuki Umezawa; Hiroki Koyanagi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)

Contextual Coherence Evaluation of Perfectly Secure Steganography in Text Documents. - Katsuyuki Umezawa; Toshikatsu Kashima; Sven Wohlgemuth; Kazuo Takaragi (ARES (Workshops 3), 2025)