Takeshi Okamoto

According to our database, Takeshi Okamoto authored at least 72 papers between 1999 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2023

Xunpack: Cross-Architecture Unpacking for Linux IoT Malware.

Yuhei Kawakoya, Shu Akabane, Makoto Iwamura, Takeshi Okamoto

Proceedings of the 26th International Symposium on Research in Attacks, 2023

2022

Prevention of DoS Attacks on Use-After-Free Vulnerabilities in Mosquitto.

Takeshi Okamoto

Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 26th International Conference KES-2022, 2022

2021

Identification of toolchains used to build IoT malware with statically linked libraries.

Shu Akabane, Takeshi Okamoto

Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 25th International Conference KES-2021, 2021

2020

Identification of library functions statically linked to Linux malware without symbols.

Shu Akabane, Takeshi Okamoto

Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 24th International Conference KES-2020, 2020

2019

A Performance Evaluation of Resilient Server with a Self-Repair Network Model.

Idris Winarno, Yoshiteru Ishida, Takeshi Okamoto

Mob. Networks Appl., 2019

An EAF guard driver to prevent shellcode from removing guard pages.

Shu Akabane, Tomoya Miwa, Takeshi Okamoto

Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 23rd International Conference KES-2019, 2019

2018

A k-out-of-n Ring Signature with Flexible Participation for Signers.

Takeshi Okamoto, Raylin Tso, Michitomo Yamaguchi, Eiji Okamoto

IACR Cryptol. ePrint Arch., 2018

An artificial immunity-enhancing module for internet servers against cyberattacks.

Takeshi Okamoto, Mitsunobu Tarao

Artif. Life Robotics, 2018

Implementation and evaluation of an immunity-enhancing module for ISC BIND9.

Takeshi Okamoto, Mitsunobu Tarao

Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 22nd International Conference KES-2018, 2018

2017

400Gbit/s/ch Field Demonstration of Modulation Format Adaptation Based on Pilot-Aided OSNR Estimation Using Real-Time DSP.

Seiji Okamoto, Kazushige Yonenaga, Kengo Horikoshi, Mitsuteru Yoshida, Yutaka Miyamoto, Masahito Tomizawa, Takeshi Okamoto, Hidemi Noguchi, Jun-ichi Abe, Junichiro Matsui, Hisao Nakashima, Yuichi Akiyama, Takeshi Hoshida, Hiroshi Onaka, Kenya Sugihara, Soichiro Kametani, Kazuo Kubo, Takashi Sugihara

IEICE Trans. Commun., 2017

Performance evaluation of an immunity-enhancing module for server applications.

Mitsunobu Tarao, Takeshi Okamoto

Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 21st International Conference KES-2017, 2017

Design of a Lightweight Intrusion-Tolerant System for Highly Available Servers.

Takeshi Okamoto

Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 21st International Conference KES-2017, 2017

2016

A cyber attack-resilient server inspired by biological diversity.

Fumikazu Sano, Takeshi Okamoto, Idris Winarno, Yoshikazu Hata, Yoshiteru Ishida

Artif. Life Robotics, 2016

Toward an artificial immune server against cyber attacks.

Takeshi Okamoto, Mitsunobu Tarao

Artif. Life Robotics, 2016

Increasing the Diversity of Resilient Server Using Multiple Virtualization Engines.

Idris Winarno, Takeshi Okamoto, Yoshikazu Hata, Yoshiteru Ishida

Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 20th International Conference KES-2016, 2016

Toward an Artificial Immune Server against Cyber Attacks: Enhancement of Protection against DoS Attacks.

Mitsunobu Tarao, Takeshi Okamoto

Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 20th International Conference KES-2016, 2016

A Cyber Attack-Resilient Server Using Hybrid Virtualization.

Fumikazu Sano, Takeshi Okamoto, Idris Winarno, Yoshikazu Hata, Yoshiteru Ishida

Proceedings of the Knowledge-Based and Intelligent Information & Engineering Systems: Proceedings of the 20th International Conference KES-2016, 2016

2015

CAPTCHA System by Differentiating the Awkwardness of Objects.

Michitomo Yamaguchi, Takeshi Okamoto, Hiroaki Kikuchi

Proceedings of the 18th International Conference on Network-Based Information Systems, 2015

SecondDEP: Resilient Computing that Prevents Shellcode Execution in Cyber-Attacks.

Takeshi Okamoto

Proceedings of the 19th International Conference in Knowledge Based and Intelligent Information and Engineering Systems, 2015

2014

Vulnerability of the conventional accessible CAPTCHA used by the White House and an alternative approach for visually impaired people.

Michitomo Yamaguchi, Toru Nakata, Hajime Watanabe, Takeshi Okamoto, Hiroaki Kikuchi

Proceedings of the 2014 IEEE International Conference on Systems, Man, and Cybernetics, 2014

An Accessible CAPTCHA System for People with Visual Disability - Generation of Human/Computer Distinguish Test with Documents on the Net.

Michitomo Yamaguchi, Toru Nakata, Takeshi Okamoto, Hiroaki Kikuchi

Proceedings of the Universal Access in Human-Computer Interaction. Design for All and Accessibility Practice, 2014

2012

Transmission of a 127 Gb/s PM-QPSK Signal Over a 3350 km SMF-Only Line With Chromatic Dispersion Compensation Using Real-Time DSP [Invited].

Manabu Arikawa, Takeshi Okamoto, Mitsunori Muraki, Daisaku Ogasahara, Emmanuel Le Taillandier de Gabory, Toshiharu Ito, Kiyoshi Fukuchi

JOCN, 2012

2011

Immunity-Based Diagnosis for a Motherboard.

Haruki Shida, Takeshi Okamoto, Yoshiteru Ishida

Sensors, 2011

Towards an immunity-based anomaly detection system for network traffic.

Takeshi Okamoto, Yoshiteru Ishida

Int. J. Knowl. Based Intell. Eng. Syst., 2011

An artificial intelligence membrane to detect network intrusion.

Takeshi Okamoto

Artif. Life Robotics, 2011

A Vulnerability Remediation Support System Using a Peer-to-Peer Network.

Haruki Shida, Takeshi Okamoto

Proceedings of the Knowledge-Based and Intelligent Information and Engineering Systems, 2011

2010

Strongly unforgeable ID-based signatures without random oracles.

Chifumi Sato, Takeshi Okamoto, Eiji Okamoto

Int. J. Appl. Cryptogr., 2010

FPGA and ASIC implementations of the eta_T pairing in characteristic three.

Jean-Luc Beuchat, Hiroshi Doi, Kaoru Fujita, Atsuo Inomata, Piseth Ith, Akira Kanaoka, Masayoshi Katouno, Masahiro Mambo, Eiji Okamoto, Takeshi Okamoto, Takaaki Shiga, Masaaki Shirase, Ryuji Soga, Tsuyoshi Takagi, Ananda Vithanage, Hiroyasu Yamamoto

Comput. Electr. Eng., 2010

Evaluations for immunity-based anomaly detection with dynamic updating of profiles.

Takeshi Okamoto, Yoshiteru Ishida

Artif. Life Robotics, 2010

Evaluations of Immunity-Based Diagnosis for a Motherboard.

Haruki Shida, Takeshi Okamoto, Yoshiteru Ishida

Proceedings of the Knowledge-Based and Intelligent Information and Engineering Systems, 2010

Design and Analysis of "Flexible" <i>k</i>-out-of-<i>n</i> Signatures.

Raylin Tso, Xun Yi, Tadahiko Ito, Takeshi Okamoto, Eiji Okamoto

Proceedings of the Autonomic and Trusted Computing - 7th International Conference, 2010

2009

An Immunity-Based Anomaly Detection System with Sensor Agents.

Takeshi Okamoto, Yoshiteru Ishida

Sensors, 2009

Towards an immunity-based system for detecting masqueraders.

Takeshi Okamoto, Yoshiteru Ishida

Int. J. Knowl. Based Intell. Eng. Syst., 2009

Sender Authenticated Key Agreements without Random Oracles.

Chifumi Sato, Takeshi Okamoto, Eiji Okamoto

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009

Underlying Assumptions and Designated Verifier Signatures.

Chifumi Sato, Takeshi Okamoto, Eiji Okamoto

IACR Cryptol. ePrint Arch., 2009

Efficient Short Signatures from Pairing.

Raylin Tso, Takeshi Okamoto, Eiji Okamoto

Proceedings of the Sixth International Conference on Information Technology: New Generations, 2009

2008

Anonymous authentication and secure communication protocol for wireless mobile <i>ad hoc</i> networks.

Sk. Md. Mizanur Rahman, Nidal Nasser, Atsuo Inomata, Takeshi Okamoto, Masahiro Mambo, Eiji Okamoto

Secur. Commun. Networks, 2008

Dynamic Updating of Profiles for an Immunity-Based Anomaly Detection System.

Takeshi Okamoto, Yoshiteru Ishida

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2008

1-out-of-.

Raylin Tso, Takeshi Okamoto, Eiji Okamoto

Proceedings of the Information Security Practice and Experience, 2008

Efficient convertible Limited Verifier Signatures.

Raylin Tso, Xun Yi, Takeshi Okamoto, Eiji Okamoto

Proceedings of the 2008 IEEE International Symposium on Information Theory, 2008

Effects of Information Communication Technology on Urban and Rural Service Sectors: An Empirical Analysis of Japanese Economic Geography.

Hideyuki Tanaka, Takeshi Okamoto

Proceedings of the Towards Sustainable Society on Ubiquitous Networks, 2008

A Restricted Undeniable Designated Verifier Signature.

Atsushi Koide, Raylin Tso, Takeshi Okamoto, Eiji Okamoto

Proceedings of the 3rd IEEE Asia-Pacific Services Computing Conference, 2008

2007

An ID-SP-M4M Scheme and Its Security Analysis.

Lihua Wang, Eiji Okamoto, Ying Miao, Takeshi Okamoto, Hiroshi Doi

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007

Framework of an Immunity-Based Anomaly Detection System for User Behavior.

Takeshi Okamoto, Yoshiteru Ishida

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2007

An Improved Signcryption Scheme and Its Variation.

Raylin Tso, Takeshi Okamoto, Eiji Okamoto

Proceedings of the Fourth International Conference on Information Technology: New Generations (ITNG 2007), 2007

Verifier-Key-Flexible Universal Designated-Verifier Signatures.

Raylin Tso, Juan Manuel González Nieto, Takeshi Okamoto, Colin Boyd, Eiji Okamoto

Proceedings of the Cryptography and Coding, 2007

ECDSA-Verifiable Signcryption Scheme with Signature Verification on the Signcrypted Message.

Raylin Tso, Takeshi Okamoto, Eiji Okamoto

Proceedings of the Information Security and Cryptology, Third SKLOIS Conference, 2007

Efficient ID-Based Digital Signatures with Message Recovery.

Raylin Tso, Chunxiang Gu, Takeshi Okamoto, Eiji Okamoto

Proceedings of the Cryptology and Network Security, 6th International Conference, 2007

2006

Authorization-Limited Transformation-Free Proxy Cryptosystems and Their Security Analyses.

Lihua Wang, Zhenfu Cao, Takeshi Okamoto, Ying Miao, Eiji Okamoto

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006

A Subject-Delegated Decryption Scheme with "Tightly" Limited Authority.

Lihua Wang, Takeshi Okamoto, Masahiro Mambo, Eiji Okamoto

IACR Cryptol. ePrint Arch., 2006

An Efficient ID-based Digital Signature with Message Recovery Based on Pairing.

Raylin Tso, Chunxiang Gu, Takeshi Okamoto, Eiji Okamoto

IACR Cryptol. ePrint Arch., 2006

Anonymous Secure Communication in Wireless Mobile Ad-hoc Networks.

Sk. Md. Mizanur Rahman, Atsuo Inomata, Takeshi Okamoto, Masahiro Mambo, Eiji Okamoto

IACR Cryptol. ePrint Arch., 2006

2005

A Share-Correctable Protocol for the Shamir Threshold Scheme and Its Application to Participant Enrollment.

Raylin Tso, Ying Miao, Takeshi Okamoto, Eiji Okamoto

IACR Cryptol. ePrint Arch., 2005

On Designatedly Verified (Non-interactive) Watermarking Schemes.

Malapati Raja Sekhar, Takeshi Okamoto, Eiji Okamoto

IACR Cryptol. ePrint Arch., 2005

ID-Based Series-Parallel Multisignature Schemes for Multi-Messages from Bilinear Maps.

Lihua Wang, Eiji Okamoto, Ying Miao, Takeshi Okamoto, Hiroshi Doi

Proceedings of the Coding and Cryptography, International Workshop, 2005

One-Way and Two-Party Authenticated ID-Based Key Agreement Protocols Using Pairing.

Takeshi Okamoto, Raylin Tso, Eiji Okamoto

Proceedings of the Modeling Decisions for Artificial Intelligence, 2005

Cryptosystems Based on Elliptic Curve Pairing.

Eiji Okamoto, Takeshi Okamoto

Proceedings of the Modeling Decisions for Artificial Intelligence, 2005

A Worm Filter Based on the Number of Unacknowledged Requests.

Takeshi Okamoto

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2005

A Proposal of Short Proxy Signature using Pairing.

Takeshi Okamoto, Atsuo Inomata, Eiji Okamoto

Proceedings of the International Symposium on Information Technology: Coding and Computing (ITCC 2005), 2005

Practical Strong Designated Verifier Signature Schemes Based on Double Discrete Logarithms.

Raylin Tso, Takeshi Okamoto, Eiji Okamoto

Proceedings of the Information Security and Cryptology, First SKLOIS Conference, 2005

Insider Impersonation-MIM Attack to Tripartite Key Agreement Scheme and an Efficient Protocol for Multiple Keys.

Lihua Wang, Takeshi Okamoto, Tsuyoshi Takagi, Eiji Okamoto

Proceedings of the Computational Intelligence and Security, International Conference, 2005

An id-based non-interactive tripartite key agreement protocol with K-resilience.

Raylin Tso, Takeshi Okamoto, Tsuyoshi Takagi, Eiji Okamoto

Proceedings of the Third IASTED International Conference on Communications and Computer Networks, 2005

2004

Mechanism for Generating Immunity-Based Agents that Detect Masqueraders.

Takeshi Okamoto, Takayuki Watanabe, Yoshiteru Ishida

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2004

Anonymous traceable disclosure scheme using pairing over elliptic curve.

Tadahiko Ito, Takeshi Okamoto, Atsuo Inomata, Eiji Okamoto

Proceedings of the 3rd International Conference on Information Security, 2004

Transformation-free proxy cryptosystems and their applications to electronic commerce.

Lihua Wang, Zhenfu Cao, Eiji Okamoto, Ying Miao, Takeshi Okamoto

Proceedings of the 3rd International Conference on Information Security, 2004

2003

Towards an Immunity-Based System for Detecting Masqueraders.

Takeshi Okamoto, Takayuki Watanabe, Yoshiteru Ishida

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2003

A Fast Signature Scheme Based on New On-line Computation.

Takeshi Okamoto, Hirofumi Katsuno, Eiji Okamoto

Proceedings of the Information Security, 6th International Conference, 2003

2002

An analysis of a model of computer viruses spreading via electronic mail.

Takeshi Okamoto, Yoshiteru Ishida

Syst. Comput. Jpn., 2002

An Improved Fast Signature Scheme without Online Multiplication.

Takeshi Okamoto, Mitsuru Tada, Atsuko Miyaji

Proceedings of the Financial Cryptography, 6th International Conference, 2002

2001

Efficient "on the Fly" Signature Schemes Based on Integer Factoring.

Takeshi Okamoto, Mitsuru Tada, Atsuko Miyaji

Proceedings of the Progress in Cryptology, 2001

1999

Extended Proxy Signatures for Smart Cards.

Takeshi Okamoto, Mitsuru Tada, Eiji Okamoto

Proceedings of the Information Security, Second International Workshop, 1999

A Distributed Approach to Computer Virus Detection and Neutralization by Autonomous and Heterogeneous Agents.

Takeshi Okamoto, Yoshiteru Ishida

Proceedings of the Fourth International Symposium on Autonomous Decentralized Systems, 1999