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

Development and Performance Evaluation of Point to Multipoint Communication Control Scheme Via Satellite. - Tsutomu Nakamura; Nobuyuki Fujikura; Ryôichi Sasaki; Hiroshi Morita; Masat Hayashi; Satoru Nishino; Hiroaki Takahashi; Akio Matsuura (Perform. Evaluation, 1991)

Secure Fingerprinting Using Public-Key Cryptography (Transcript of Discussion). - Ryôichi Sasaki (Security Protocols Workshop, 1998)

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

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 Workshop, 1999)

Seamless Object Authentication in Different Security Policy Domains. - Satoru Tezuka; Ryôichi Sasaki; Masanori Kataoka (HICSS, 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 (ICPADS Workshops, 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 Workshop, 2000)

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

Combinatorial Optimization of Countermeasures against Illegal Copying. - Ryôichi Sasaki; Hiroshi Yoshiura; Shinji Itoh (Security Protocols Workshop, 2002)

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

Development Concept for and Trial Application of a "Mulutiplex Risk Communicator". - Ryôichi Sasaki; Saneyuki Ishii; Yuu Hidaka; Hiroshi Yajima; Hiroshi Yoshiura; Yuko Murayama (I3E, 2005)

Development and Evaluation of a System for Checking for Improper Sending of Personal Information in Encrypted E-Mail. - Kenji Yasu; Yasuhiko Akahane; Masami Ozaki; Koji Semoto; Ryôichi Sasaki (I3E, 2005)

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)

Proposal of Risk Communications Supporting Method in Multiplex Risk Communicator. - Hiroshi Yajima; Shinichi Matsumoto; Ryôichi Sasaki (ETFA, 2006)

A Digital Document Flexible Sanitizing Scheme. - Takanobu Masubuchi; Mitsuyuki Takatsuka; Ryôichi Sasaki (IIH-MSP, 2006)

Proposal of the e-Discovery System for Sanitizing Disclosure Information and for Securing Evidence. - Mitsuyuki Takatsuka; Masataka Tada; Ryôichi Sasaki (FGCN (2), 2007)

Evaluation of the Participant-Support Method for Information Acquisition in the "Multiplex Risk Communicator". - Hiroshi Yajima; Tomohiro Watanabe; Ryôichi Sasaki (HCI (9), 2007)

Proposal of Digital Forensic System Using Security Device and Hysteresis Signature. - Yuki Ashino; Ryôichi Sasaki (IIH-MSP, 2007)

Development and Application of Digital Forensic Logging System for Data from a Keyboard and Camera. - Mariko Irisawa; Yuki Ashino; Keisuke Fujita; Ryôichi Sasaki (IIH-MSP, 2007)

A View Management Method for Mobile Mixed Reality Systems. - Fumihisa Shibata; Hiroyuki Nakamoto; Ryôichi Sasaki; Asako Kimura; Hideyuki Tamura (IPT/EGVE, 2008)

Using Boot Control to Preserve the Integrity of Evidence. - Keisuke Fujita; Yuki Ashino; Tetsutaro Uehara; Ryôichi Sasaki (IFIP Int. Conf. Digital Forensics, 2008)

A Proposal of Falsification Detection System in Structural Design. - Kenshi Uematsu; Ryôichi Sasaki (IIH-MSP, 2008)

Proposal and Implementation of SSH Client System Using Ajax. - Yusuke Kosuda; Ryôichi Sasaki (I3E, 2009)

Implementing Boot Control for Windows Vista. - Yuki Ashino; Keisuke Fujita; Maiko Furusawa; Tetsutaro Uehara; Ryôichi Sasaki (IFIP Int. Conf. Digital Forensics, 2009)

Security Evaluation of Biometrics Authentications for Cellular Phones. - Hirokazu Manabe; Yuta Yamakawa; Tomohiro Sasamoto; Ryôichi Sasaki (IIH-MSP, 2009)

A Security Measure Selection Scheme with Consideration of Potential Lawsuits. - Takumi Yamamoto; Yuma Usui; Fumihiko Magata; Yoshimi Teshigawara; Ryôichi Sasaki; Masakatsu Nishigaki (Security and Management, 2010)

A consensus support system for deciding a combination of risk-reducing plans under uncertain parameters. - Kota Itakura; Masaki Samejima; Masanori Akiyoshi; Ryôichi Sasaki (SMC, 2010)

Social consensus making support system by qualitative and quantitative hybrid simulation. - Masaki Samejima; Masanori Akiyoshi; Norihisa Komoda; Ryôichi Sasaki (SMC, 2010)

HiGate (High Grade Anti-Tamper Equipment) Prototype and Application to e-Discovery. - Yui Sakurai; Yuki Ashino; Tetsutaro Uehara; Hiroshi Yoshiura; Ryôichi Sasaki (J. Digit. Forensics Secur. Law, 2010)

Development and Trial Application of Prototype Program for "Social-MRC": Social Consensus Formation Support System Concerning IT Risk Countermeasures. - Ryôichi Sasaki; Kazushige Takakusaki; Masaru Ohkawara; Hiroshi Yajima; Hidetaka Masuda; Tetsuro Kobayashi (ARES, 2011)

A Proposed Web Access Control System Request Policy Framework for Cooperation of DNS and a Web Browser. - Takashi Uemura; Shota Takagi; Yusuke Kosuda; Ryôichi Sasaki (ARES, 2011)

Development and Evaluation of Defaced Sites Automatic Detection System DICE. - Tatsuya Tanaka; Toshifumi Kai; Yusuke Tamura; Ryôichi Sasaki (IIH-MSP, 2011)

Development of digital forensics practice and research in Japan. - Jigang Liu; Tetsutaro Uehara; Ryôichi Sasaki (Wirel. Commun. Mob. Comput., 2011)

Proposal and Evaluation of the Digital Certificate System with Sumi-coating Module for Privacy Protection. - Takashi Sakuma; Ryôichi Sasaki (COMPSAC Workshops, 2012)

Approximation method for chance-constrained programming of social consensus formation concerning IT risk countermeasure. - Masaki Samejima; Ryôichi Sasaki (SMC, 2012)

Message from the guest editors. - Irfan Ahmed 001; Martin Naedele; Bradley L. Schatz; Ryôichi Sasaki; Andrew West (Int. J. Inf. Sec., 2012)

Considerations on Risk Communication for IT Systems and Development of Support Systems. - Ryôichi Sasaki (J. Inf. Process., 2012)

Development and Evaluation of Guideline Total Support System for Evidence Preservation by Using an Android Phone. - Wataru Takahashi; Ryôichi Sasaki; Tetsutaro Uehara (COMPSAC Workshops, 2013)

Verifying Data Authenticity and Integrity in Server-Aided Confidential Forensic Investigation. - Shuhui Hou; Ryôichi Sasaki; Tetsutaro Uehara; Siu-Ming Yiu (ICT-EurAsia, 2013)

Chance-Constrained Programming Method by Constraints Aggregation for Social Consensus Making on IT Risk Countermeasure. - Katsunori Sato; Masaki Samejima; Ryôichi Sasaki (SMC, 2013)

Double Encryption for Data Authenticity and Integrity in Privacy- preserving Confidential Forensic Investigation. - Shuhui Hou; Ryôichi Sasaki; Tetsutaro Uehara; Siu-Ming Yiu (J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl., 2013)

Privacy by Transparency for Data-Centric Services (NII Shonan Meeting 2013-5). - Isao Echizen; Günter Müller; Ryôichi Sasaki; A Min Tjoa (NII Shonan Meet. Rep., 2013)

Proposal and Evaluation of Safe and Efficient Log Signature Scheme for the Preservation of Evidence. - Naoki Kobayashi 007; Ryôichi Sasaki (COMPSAC Workshops, 2014)

Proposal of Collaborative Learning Support Method in Risk Communications. - Hiroshi Yajima; Naohisa Tanabe; Ryôichi Sasaki (HCI (1), 2014)

Proposal and Evaluation of Methods Using the Quantification Theory and Machine Learning for Detecting C&C Server Used in a Botnet. - Shota Okayasu; Ryôichi Sasaki (COMPSAC Workshops, 2015)

Message from the CFSE 2015 Workshop Organizers. - Ryôichi Sasaki; Tetsutaro Uehara; Jigang Liu (COMPSAC Workshops, 2015)

Proposal for Combinatorial Optimization Technology in Consideration of the Dynamic Characteristic of IT Risks. - Yuhei Umehara; Hayai Ando; Ryôichi Sasaki (COMPSAC Workshops, 2015)

Fog Computing: Issues and Challenges in Security and Forensics. - Yifan Wang; Tetsutaro Uehara; Ryôichi Sasaki (COMPSAC Workshops, 2015)

Evaluation of a Risk-Based Management Method for Online Accounts. - Takumi Akiyama; Kazuya Otani; Yoshio Kakizaki; Ryôichi Sasaki (CyberSec, 2015)

Development of Intellectual Network Forensic System LIFT against Targeted Attacks. - Kazuki Hashimoto; Hiroyuki Hiruma; Takashi Matsumoto; Kosetus Kayama; Yoshio Kaikizaki; Hiroshi Yamaki; Tetsutaro Uehara; Ryôichi Sasaki (CyberSec, 2015)

Study on Countermeasures Using Mitigation Software against Vulnerability Attacks. - Ryohei Koizumi; Ryôichi Sasaki (CyberSec, 2015)

Development of a Detection and Responding System for Malware Communications by Using OpenFlow and Its Evaluation. - Naoto Nakagawa; Yoshimi Teshigawara; Ryôichi Sasaki (CyberSec, 2015)

Proposal of a Method for Identifying the Infection Route for Targeted Attacks Based on Malware Behavior in a Network. - Makoto Sato; Akihiko Sugimoto; Naoki Hayashi; Yoshiaki Isobe; Ryôichi Sasaki (CyberSec, 2015)

Chance-Constrained Programming Method of IT Risk Countermeasures for Social Consensus Making. - Masaki Samejima; Ryôichi Sasaki (IEEE Trans. Syst. Man Cybern. Syst., 2015)

Message from the CFSE Workshop Organizers. - Ryôichi Sasaki; Tetsutaro Uehara; Jigang Liu (COMPSAC Workshops, 2016)

Secure Communication Protocol Between a Human and a Bank Server for Preventing Man-in-the-Browser Attacks. - Takashi Tsuchiya; Masahiro Fujita; Kenta Takahashi; Takehisa Kato; Fumihiko Magata; Yoshimi Teshigawara; Ryôichi Sasaki; Masakatsu Nishigaki (HCI (20), 2016)

Autonomous and distributed internet security (AIS) infrastructure for safe internet. - Hiroyuki Kimiyama; Naoki Yonezaki; Tomoaki Tsutsumi; Kaori Sano; Hirofumi Yamaki; Yoichiro Ueno; Ryôichi Sasaki; Hiroshi Kobayashi (NOF, 2017)

Malware Behavior Ontology for Digital Evidence. - Jigang Liu; Rashmi Kammar; Ryôichi Sasaki; Tetsutaro Uehara (QRS Companion, 2017)

An Assurance Case Approach for Software Code Security. - Tomoko Kaneko; Yuji Takahashi; Takao Okubo; Ryôichi Sasaki (WESPr-iMLSE@APSEC, 2018)

Message from the CFSE 2018 Workshop Organizers. - Ryôichi Sasaki; Tetsutaro Uehara; Jigang Liu (COMPSAC (2), 2018)

Proposal and Application of Security/Safety Evaluation Method for Medical Device System that Includes IoT. - Takuo Hayakawa; Ryôichi Sasaki; Hiroshi Hayashi; Yuji Takahashi; Tomoko Kaneko; Takao Okubo (ICNCC, 2018)

A Mixed Content Awareness Tool for Safe Browsing. - Yoshio Kakizaki; Shiomi Nishibiro; Ryôichi Sasaki (J. Comput., 2018)

CySec: Cybersecurity Review Program for Professionals in Japan. - Yoshio Kakizaki; Ryôichi Sasaki; Tomohide Okochi; Hiroshi Yasuda (NBiS, 2020)

STAMP S&S: Safety & Security Scenario for Specification and Standard in the society of AI/IoT. - Tomoko Kaneko; Nobukazu Yoshioka; Ryôichi Sasaki (QRS Companion, 2020)

Trial Development of a Cyber Risk Visualization System with Function of k-Anonymity and Compatibility with Other Organizations. - Haruki Kobayashi; Taiichi Saito; Ryôichi Sasaki (QRS Companion, 2020)

Towards a Holistic Approach to Medical IoT Forensics. - Jigang Liu; Ryôichi Sasaki; Tetsutaro Uehara (QRS Companion, 2020)

Risk Assessment Method for Balancing Safety, Security, and Privacy in Medical IoT Systems with Remote Maintenance Function. - Ryôichi Sasaki (QRS Companion, 2020)

Cyber-Security Incident Analysis by Causal Analysis using System Theory (CAST). - Tomoko Kaneko; Nobukazu Yoshioka; Ryôichi Sasaki (QRS Companion, 2021)

Application of Risk Assessment Method to Local Government Security Models. - Ryôichi Sasaki (QRS Companion, 2021)

Analyzing Metadata in PDF Files Published by Police Agencies in Japan. - Taichi Hasegawa; Taiichi Saito; Ryôichi Sasaki (QRS Companion, 2022)

Trial Application of Risk Assessment Method for Metaverse. - Ryôichi Sasaki (QRS Companion, 2022)

Trial of Risk Assessment for Business Application of Metaverse. - Toshiya Seyama; Ryôichi Sasaki (MetaCom, 2023)

An Ontology-Based Framework for Medical IoT Forensic Evidence. - Jigang Liu; Ryôichi Sasaki; Tetsutaro Uehara (QRS Companion, 2023)

AI and Security - What Changes with Generative AI. - Ryôichi Sasaki (QRS Companion, 2023)

Reconsideration of Risk Communication and Risk Assessment Support Methods for Security. - Ryôichi Sasaki (QRS Companion, 2023)

Enhancement of a Company-Wide Information Security Management System Through Incident Learning. - Hiroshi Horikawa; Hisamichi Ohtani; Yuji Takahashi; Takehisa Kato; Fumihiko Magata; Yoshimi Teshigawara; Ryôichi Sasaki; Masakatsu Nishigaki (SN Comput. Sci., 2023)

Development and Trial Application of an Improved MRC-EDC Method for Risk Assessment of Attacks on Humans by Generative AI. - Ryôichi Sasaki; Kenta Onishi; Yoshihiro Mitsui; Masato Terada (J. Inf. Process., 2024)