International Mutual Recognition: A Description of Trust Services in US, UK, EU and JP and the Testbed "Hakoniwa" - Satoshi Kai; Takao Kondo; Naghmeh Karimi; Konstantinos Mersinas; Marc Sel; Roberto Yus; Satoru Tezuka (Proceedings of the 20th International Conference on Security and Cryptography, SECRYPT 2023, Rome, Italy, July 10-12, 2023, 2023)

Development and Evaluation of FMC Authentication Technology with Cellular Phones - Katsuyuki Umezawa; Satoru Tezuka (IEICE Trans. Commun., 2011)

An authentication system using smart phones as secure storage - Katsuyuki Umezawa; Satoru Tezuka; Shigeichi Hirasawa (Proceedings of the IEEE International Conference on Systems, Man and Cybernetics, Anchorage, Alaska, USA, October 9-12, 2011, 2011)

A Proposal of TLS Implementation for Cross Certification Model - Tadashi Kaji; Takahiro Fujishiro; Satoru Tezuka (IEICE Trans. Inf. Syst., 2008)

A study on user authentication infrastructure for next generation telematics - Katsuyuki Umezawa; Seiichi Susaki; Masamori Kashiyama; Satoru Tezuka (IEEE International Conference on Vehicular Electronics and Safety, ICVES 2008, Columbus, OH, USA, 22-24 September, 2008, 2008)

Use of Gap-Filling Operation to Enhance Image Quality of Binary Image Watermarking - Ryu Ebisawa; Yasuhiro Fujii; Takaaki Yamada; Satoru Tezuka; Isao Echizen (3rd International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP 2007), Kaohsiung, Taiwan, 26-28 November 2007, Proceedings, 2007)

Adaptive Embedding and Detection for Improved Video Watermarking - Isao Echizen; Yasuhiro Fujii; Takaaki Yamada; Satoru Tezuka; Hiroshi Yoshiura (Intelligent Multimedia Data Hiding: New Directions, 2007)

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)

Use of Statistically Adaptive Accumulation to Improve Video Watermark Detection - Isao Echizen; Yasuhiro Fujii; Takaaki Yamada; Satoru Tezuka; Hiroshi Yoshiura (Inf. Media Technol., 2006)

Improved Video Verification Method Using Digital Watermarking - Isao Echizen; Takaaki Yamada; Satoru Tezuka; Stephan Singh; Hiroshi Yoshiura (Second International Conference on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP 2006), Pasadena, California, USA, December 18-20, 2006, Proceedings, 2006)

PC-based real-time watermark embedding system with standard video interface - Isao Echizen; Koichi Tanimoto; Takaaki Yamada; Masanori Dainaka; Satoru Tezuka; Hiroshi Yoshiura (Proceedings of the IEEE International Conference on Systems, Man and Cybernetics, Taipei, Taiwan, October 8-11, 2006, 2006)

Digitally Signed Document Sanitizing Scheme with Disclosure Condition Control - Kunihiko Miyazaki; Mitsuru Iwamura; Tsutomu Matsumoto; Ryôichi Sasaki; Hiroshi Yoshiura; Satoru Tezuka; Hideki Imai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Perceptually Adaptive Video Watermarking Using Motion Estimation - Isao Echizen; Yasuhiro Fujii; Takaaki Yamada; Satoru Tezuka; Hiroshi Yoshiura (Int. J. Image Graph., 2005)

Correlation-based model of color picture watermarking against random geometric distortion - Isao Echizen; Yasuhiro Fujii; Takaaki Yamada; Satoru Tezuka; Hiroshi Yoshiura (Proceedings of the 2005 IEEE International Conference on Multimedia and Expo, ICME 2005, July 6-9, 2005, Amsterdam, The Netherlands, 2005)

Speeding up X.509 Certificate Path Validation - Shingo Hane; Takahiro Fujishiro; Yoko Hashimoto; Tadashi Kaji; Kondo Katsuhiko; Satoru Tezuka (Applied Public Key Infrastructure - 4th International Workshop: IWAP 2005, Singapore, September 21-23, 2005, 2005)

Improved Video Watermark Detection Using Statistically-Adaptive Accumulation - Isao Echizen; Yasuhiro Fujii; Takaaki Yamada; Satoru Tezuka; Hiroshi Yoshiura (Knowledge-Based Intelligent Information and Engineering Systems, 9th International Conference, KES 2005, Melbourne, Australia, September 14-16, 2005, Proceedings, Part IV, 2005)

Real-time video watermark embedding system using software on personal computer - Isao Echizen; Takaaki Yamada; Yasuhiro Fujii; Satoru Tezuka; Hiroshi Yoshiura (Proceedings of the IEEE International Conference on Systems, Man and Cybernetics, Waikoloa, Hawaii, USA, October 10-12, 2005, 2005)

Use of inferential statistics to estimate error probability of video watermarks - Isao Echizen; Hiroshi Yoshiura; Yasuhiro Fujii; Takaaki Yamada; Satoru Tezuka (Security, Steganography, and Watermarking of Multimedia Contents VII, San Jose, California, USA, January 17-20, 2005, Proceedings, 2005)

Print traceability systems framework using digital watermarks for binary images - Takaaki Yamada; Yasuhiro Fujii; Isao Echizen; Koichi Tanimoto; Satoru Tezuka (Proceedings of the IEEE International Conference on Systems, Man & Cybernetics: The Hague, Netherlands, 10-13 October 2004, 2004)

Generalized Powering Functions and Their Application to Digital Signatures - Hisayoshi Sato; Tsuyoshi Takagi; Satoru Tezuka; Kazuo Takaragi (Advances in Cryptology - ASIACRYPT 2003, 9th International Conference on the Theory and Application of Cryptology and Information Security, Taipei, Taiwan, November 30 - December 4, 2003, Proceedings, 2003)

Use of Motion Estimation to Improve Video Watermarking for MPEG Encoders - Isao Echizen; Hiroshi Yoshiura; Yasuhiro Fujii; Satoru Tezuka (Digital Watermarking, Second International Workshop, IWDW 2003, Seoul, Korea, October 20-22, 2003, Revised Papers, 2003)

Seamless Object Authentication in Different Security Policy Domains - Satoru Tezuka; Ryôichi Sasaki; Masanori Kataoka (33rd Annual Hawaii International Conference on System Sciences (HICSS-33), 4-7 January, 2000, Maui, Hawaii, USA, 2000)

Internet-Marks: the secure seal for WWW site authentication - Shinsuke Honjo; Seiichi Susaki; Hiroshi Yoshiura; Hirokazu Aoshima; Satoru Tezuka; Ryôichi Sasaki; Tsukasa Saitoh; Hisashi Toyoshima (Seventh International Conference on Parallel and Distributed Systems Workshops, ICPADS 2000 Workshops, Iwate, Japan, July 4-7, 2000, 2000)

Authenticating Web-Based Virtual Shops Using Signature-Embedded Marks - A Practical Analysis - Hiroshi Yoshiura; Takaaki Shigematsu; Seiichi Susaki; Tsukasa Saitoh; Hisashi Toyoshima; Chikako Kurita; Satoru Tezuka; Ryôichi Sasaki (Security Protocols, 8th International Workshop, Cambridge, UK, April 3-5, 2000, Revised Papers, 2000)

INTERNET-MARKs: Clear, Secure, and Portable Visual Marks for the Cyber Worlds - Hiroshi Yoshiura; Seiichi Susaki; Yasuhiko Nagai; Tsukasa Saitoh; Hisashi Toyoshima; Ryôichi Sasaki; Satoru Tezuka (Security Protocols, 7th International Workshop, Cambridge, UK, April 19-21, 1999, Proceedings, 1999)