User Identification System Based on Biometrics for Keystroke. - Kazumasa Omote; Eiji Okamoto (ICICS, 1999)

An Anonymous Aution Protocol with a Single Non-trusted Center Using Binary Trees. - Kazumasa Omote; Atsuko Miyaji (ISW, 2000)

A Practical English Auction with One-Time Registration. - Kazumasa Omote; Atsuko Miyaji (ACISP, 2001)

A Second-price Sealed-bid Auction with the Discriminant of the p0-th Root. - Kazumasa Omote; Atsuko Miyaji (Financial Cryptography, 2002)

A Practical English Auction with Simple Revocation. - Kazumasa Omote; Atsuko Miyaji (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Timing to Block Scanning Malwares by Using Combinatorics Proliferation Model. - Kazumasa Omote; Takeshi Shimoyama; Satoru Torii (ICETE (Selected Papers), 2007)

A Combinatorics Proliferation Model to Determine the Timing for Blocking Scanning Malware. - Kazumasa Omote; Takeshi Shimoyama; Satoru Torii (SECRYPT, 2007)

Introducing Role-Based Access Control to a Secure Virtual Machine Monitor: Security Policy Enforcement Mechanism for Distributed Computers. - Manabu Hirano; Takahiro Shinagawa; Hideki Eiraku; Shoichi Hasegawa; Kazumasa Omote; Kouichi Tanimoto; Takashi Horie; Kazuhiko Kato; Takeshi Okuda; Eiji Kawai; Suguru Yamaguchi (APSCC, 2008)

Simple Certificateless Signature with Smart Cards. - Kazumasa Omote; Atsuko Miyaji; Kazuhiko Kato (EUC (2), 2008)

Protection and Recovery of Disk Encryption Key Using Smart Cards. - Kazumasa Omote; Kazuhiko Kato (ITNG, 2008)

A Certificate Revocable Anonymous Authentication Scheme with Designated Verifier. - Keita Emura; Atsuko Miyaji; Kazumasa Omote (ARES, 2009)

A Two-Step Execution Mechanism for Thin Secure Hypervisors. - Manabu Hirano; Takahiro Shinagawa; Hideki Eiraku; Shoichi Hasegawa; Kazumasa Omote; Kouichi Tanimoto; Takashi Horie; Seiji Mune; Kazuhiko Kato; Takeshi Okuda; Eiji Kawai; Suguru Yamaguchi (SECURWARE, 2009)

BitVisor: a thin hypervisor for enforcing i/o device security. - Takahiro Shinagawa; Hideki Eiraku; Kouichi Tanimoto; Kazumasa Omote; Shoichi Hasegawa; Takashi Horie; Manabu Hirano; Kenichi Kourai; Yoshihiro Oyama; Eiji Kawai; Kenji Kono; Shigeru Chiba; et al. (VEE, 2009)

A Selectable k-Times Relaxed Anonymous Authentication Scheme. - Keita Emura; Atsuko Miyaji; Kazumasa Omote (WISA, 2009)

A Dynamic Attribute-Based Group Signature Scheme and Its Application in an Anonymous Survey for the Collection of Attribute Statistics. - Keita Emura; Atsuko Miyaji; Kazumasa Omote (J. Inf. Process., 2009)

An Identity-Based Proxy Re-Encryption Scheme with Source Hiding Property, and its Application to a Mailing-List System. - Keita Emura; Atsuko Miyaji; Kazumasa Omote (EuroPKI, 2010)

RPoK: A Strongly Resilient Polynomial-Based Random Key Pre-Distribution Scheme for Multiphase Wireless Sensor Networks. - Hisashige Ito; Atsuko Miyaji; Kazumasa Omote (GLOBECOM, 2010)

An Anonymous Designated Verifier Signature Scheme with Revocation: How to Protect a Company's Reputation. - Keita Emura; Atsuko Miyaji; Kazumasa Omote (ProvSec, 2010)

A Timed-Release Proxy Re-encryption Scheme and Its Application to Fairly-Opened Multicast Communication. - Keita Emura; Atsuko Miyaji; Kazumasa Omote (ProvSec, 2010)

Efficient and Optimally Secure In-Network Aggregation in Wireless Sensor Networks. - Atsuko Miyaji; Kazumasa Omote (WISA, 2010)

Practical and Secure Recovery of Disk Encryption Key Using Smart Cards. - Kazumasa Omote; Kazuhiko Kato (IEICE Trans. Inf. Syst., 2010)

A ciphertext-policy attribute-based encryption scheme with constant ciphertext length. - Keita Emura; Atsuko Miyaji; Kazumasa Omote; Akito Nomura; Masakazu Soshi (Int. J. Appl. Cryptogr., 2010)

A Combinatorics Proliferation Model with Threshold for Malware Countermeasure. - Kazumasa Omote; Takeshi Shimoyama; Satoru Torii (J. Inf. Process., 2010)

A Revocable Group Signature Scheme with the Property of Hiding the Number of Revoked Users. - Keita Emura; Atsuko Miyaji; Kazumasa Omote (ICISC, 2011)

Adaptive Secure-Channel Free Public-Key Encryption with Keyword Search Implies Timed Release Encryption. - Keita Emura; Atsuko Miyaji; Kazumasa Omote (ISC, 2011)

Towards Restricting Plaintext Space in Public Key Encryption. - Yusuke Sakai 001; Keita Emura; Goichiro Hanaoka; Yutaka Kawai; Kazumasa Omote (IWSEC, 2011)

POLISH: Proactive Co-operative LInk Self-Healing for Wireless Sensor Networks. - Tatsuro Iida; Atsuko Miyaji; Kazumasa Omote (SSS, 2011)

A Timed-Release Proxy Re-Encryption Scheme. - Keita Emura; Atsuko Miyaji; Kazumasa Omote (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Efficient and Secure Aggregation of Sensor Data against Multiple Corrupted Nodes. - Atsuko Miyaji; Kazumasa Omote (IEICE Trans. Inf. Syst., 2011)

An Intrusion and Random-Number-Leakage Resilient Scheme in Mobile Unattended WSNs. - Tatsuro Iida; Keita Emura; Atsuko Miyaji; Kazumasa Omote (AINA Workshops, 2012)

Improvement of multi-user searchable encrypted data scheme. - Tran Thao Phuong; Kazumasa Omote; Nguyen Gia Luyen; Nguyen Dinh Thuc (ICITST, 2012)

Lightweight Integrity for XOR Network Coding in Wireless Sensor Networks. - Kazuya Izawa; Atsuko Miyaji; Kazumasa Omote (ISPEC, 2012)

Group Signatures with Message-Dependent Opening. - Yusuke Sakai 001; Keita Emura; Goichiro Hanaoka; Yutaka Kawai; Takahiro Matsuda 002; Kazumasa Omote (Pairing, 2012)

How to Build Random Key Pre-distribution Schemes with Self-Healing for Multiphase WSNs. - Atsuko Miyaji; Kazumasa Omote (AINA, 2013)

Self-healing Schemes Suitable for Various WSNs. - Atsuko Miyaji; Kazumasa Omote (IDCS, 2013)

Methods for Restricting Message Space in Public-Key Encryption. - Yusuke Sakai 001; Keita Emura; Goichiro Hanaoka; Yutaka Kawai; Kazumasa Omote (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)

A New Efficient and Secure POR Scheme Based on Network Coding. - Kazumasa Omote; Tran Thao Phuong (AINA, 2014)

An r-Hiding Revocable Group Signature Scheme: Group Signatures with the Property of Hiding the Number of Revoked Users. - Keita Emura; Atsuko Miyaji; Kazumasa Omote (J. Appl. Math., 2014)

An Approach to Detect Remote Access Trojan in the Early Stage of Communication. - Dan Jiang; Kazumasa Omote (AINA, 2015)

An Approach to Predict Drive-by-Download Attacks by Vulnerability Evaluation and Opcode. - Takashi Adachi; Kazumasa Omote (AsiaJCIS, 2015)

Malware Function Classification Using APIs in Initial Behavior. - Naoto Kawaguchi; Kazumasa Omote (AsiaJCIS, 2015)

SW-SSS: Slepian-Wolf Coding-Based Secret Sharing Scheme. - Kazumasa Omote; Tran Thao Phuong (CISIS-ICEUTE, 2015)

DD-POR: Dynamic Operations and Direct Repair in Network Coding-Based Proof of Retrievability. - Kazumasa Omote; Tran Thao Phuong (COCOON, 2015)

POR-2P: Network Coding-Based POR for Data Provision-Payment System. - Kazumasa Omote; Tran Phuong Thao (CRiSIS, 2015)

Self-healing wireless sensor networks. - Atsuko Miyaji; Kazumasa Omote (Concurr. Comput. Pract. Exp., 2015)

ND-POR: A POR Based on Network Coding and Dispersal Coding. - Kazumasa Omote; Tran Thao Phuong (IEICE Trans. Inf. Syst., 2015)

MD-POR: Multisource and Direct Repair for Network Coding-Based Proof of Retrievability. - Kazumasa Omote; Tran Phuong Thao (Int. J. Distributed Sens. Networks, 2015)

Generic constructions of secure-channel free searchable encryption with adaptive security. - Keita Emura; Atsuko Miyaji; Mohammad Shahriar Rahman; Kazumasa Omote (Secur. Commun. Networks, 2015)

ELAR: extremely lightweight auditing and repairing for cloud security. - Tran Phuong Thao; Kazumasa Omote (ACSAC, 2016)

A Host-Based Detection Method of Remote Access Trojan in the Early Stage. - Daichi Adachi; Kazumasa Omote (ISPEC, 2016)

Privacy-Preserving Profile Matching Protocol Considering Conditions. - Yosuke Ishikuro; Kazumasa Omote (NSS, 2016)

A RAT Detection Method Based on Network Behavior of the Communication's Early Stage. - Dan Jiang; Kazumasa Omote (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016)

D2-POR: Direct Repair and Dynamic Operations in Network Coding-Based Proof of Retrievability. - Kazumasa Omote; Tran Thao Phuong (IEICE Trans. Inf. Syst., 2016)

Secure and Anonymous Communication Technique: Formal Model and Its Prototype Implementation. - Keita Emura; Akira Kanaoka; Satoshi Ohta; Kazumasa Omote; Takeshi Takahashi 001 (IEEE Trans. Emerg. Top. Comput., 2016)

Network Intrusion Detection Based on Semi-supervised Variational Auto-Encoder. - Genki Osada; Kazumasa Omote; Takashi Nishide (ESORICS (2), 2017)

Malware Function Estimation Using API in Initial Behavior. - Naoto Kawaguchi; Kazumasa Omote (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017)

Early Detection of Remote Access Trojan by Software Network Behavior. - Masatsugu Oya; Kazumasa Omote (Inscrypt, 2018)

Network Deployments of Bitcoin Peers and Malicious Nodes Based on Darknet Sensor. - Mitsuyoshi Imamura; Kazumasa Omote (WISA, 2018)

Difficulty of Decentralized Structure Due to Rational User Behavior on Blockchain. - Mitsuyoshi Imamura; Kazumasa Omote (NSS, 2019)

Hunting Brand Domain Forgery: A Scalable Classification for Homograph Attack. - Tran Phuong Thao; Yukiko Sawaya; Hoang-Quoc Nguyen-Son; Akira Yamada 001; Kazumasa Omote; Ayumu Kubota (SEC, 2019)

Detecting Malicious Websites by Query Templates. - Satomi Kaneko; Akira Yamada 001; Yukiko Sawaya; Tran Phuong Thao; Ayumu Kubota; Kazumasa Omote (SECITC, 2019)

Threat Analysis of Poisoning Attack Against Ethereum Blockchain. - Teppei Sato; Mitsuyoshi Imamura; Kazumasa Omote (WISTP, 2019)

Group Signatures with Message-Dependent Opening: Formal Definitions and Constructions. - Keita Emura; Goichiro Hanaoka; Yutaka Kawai; Takahiro Matsuda 002; Kazuma Ohara; Kazumasa Omote; Yusuke Sakai 001 (Secur. Commun. Networks, 2019)

A New Method of Assigning Trust to User Addresses in Bitcoin. - Kazumasa Omote; Asuka Suzuki; Teppei Sato (BCCA, 2020)

Profiling of Malicious Users Targeting Ethereum's RPC Port Using Simple Honeypots. - Kazuki Hara; Teppei Sato; Mitsuyoshi Imamura; Kazumasa Omote (Blockchain, 2020)

Profiling of Malicious Users Using Simple Honeypots on the Ethereum Blockchain Network. - Kazuki Hara; Teppei Sato; Mitsuyoshi Imamura; Kazumasa Omote (IEEE ICBC, 2020)

A Decentralized Secure Email System based on Conventional RSA Signature. - Kazumasa Omote (ISITA, 2020)

Safety Analysis of High-Dimensional Anonymized Data from Multiple Perspectives. - Takaya Yamazoe; Kazumasa Omote (NSS, 2020)

Verifiable Functional Encryption using Intel SGX. - Tatsuya Suzuki 002; Keita Emura; Toshihiro Ohigashi; Kazumasa Omote (IACR Cryptol. ePrint Arch., 2020)

Empirical Study of Software Adoption Process in the Bitcoin Network. - Mitsuyoshi Imamura; Kazumasa Omote (AINA (1), 2021)

Investigation and Analysis of Features in Decentralized Network Management of Minor Cryptocurrencies. - Mitsuyoshi Imamura; Kazumasa Omote (AINA (1), 2021)

Risk Analysis for Worthless Crypto Asset Networks. - Wataru Taguchi; Kazumasa Omote (AINA (2), 2021)

A Privacy Preserving Scheme with Dimensionality Reduction for Distributed Machine Learning. - Zhaoheng Chen; Kazumasa Omote (AsiaJCIS, 2021)

A Privacy-Preserving Enforced Bill Collection System using Smart Contracts. - Tomoki Fujitani; Keita Emura; Kazumasa Omote (AsiaJCIS, 2021)

Analysis of Attack Activities for Honeypots Installation in Ethereum Network. - Kota Chin; Kazumasa Omote (Blockchain, 2021)

Risk Analysis for Abusing Blockchain Poisoning. - Keigo Kimura; Kazumasa Omote (BRAINS, 2021)

Efficient Blockchain-based IoT Firmware Update Considering Distribution Incentives. - Tatsuhiro Fukuda; Kazumasa Omote (DSC, 2021)

Robust Detection Model for Portable Execution Malware. - Wanjia Zheng; Kazumasa Omote (ICC, 2021)

Machine-learning Approach using Solidity Bytecode for Smart-contract Honeypot Detection in the Ethereum. - Kazuki Hara; Takeshi Takahashi 001; Motoya Ishimaki; Kazumasa Omote (QRS Companion, 2021)

Toward Achieving Unanimity for Implicit Closings in a Trustless System. - Mitsuyoshi Imamura; Kazumasa Omote (QSHINE, 2021)

An Anonymous Trust-Marking Scheme on Blockchain Systems. - Teppei Sato; Keita Emura; Tomoki Fujitani; Kazumasa Omote (IEEE Access, 2021)

Accuracy and Privacy Evaluations of Collaborative Data Analysis. - Akira Imakura; Anna Bogdanova; Takaya Yamazoe; Kazumasa Omote; Tetsuya Sakurai (CoRR, 2021)

IoT-Based Autonomous Pay-As-You-Go Payment System with the Contract Wallet. - Shinya Haga; Kazumasa Omote (Secur. Commun. Networks, 2021)

Optimizing Share Size in Efficient and Robust Secret Sharing Scheme for Big Data. - Tran Phuong Thao; Mohammad Shahriar Rahman; Md. Zakirul Alam Bhuiyan; Ayumu Kubota; Shinsaku Kiyomoto; Kazumasa Omote (IEEE Trans. Big Data, 2021)

Building a Blockchain-Based Social Network Identification System. - Zhanwen Chen; Kazumasa Omote (AINA (2), 2022)

Automatic Monitoring System for Security Using IoT Devices and Smart Contracts. - Kotono Iwata; Kazumasa Omote (AINA (1), 2022)

Information Security Fatigue in Visually Impaired University Students. - Masataka Kakinouchi; Kazumasa Omote (AINA (3), 2022)

Toward a Blockchain Healthcare Information Exchange. - Ryuji Ueno; Kazumasa Omote (AINA (2), 2022)

Proposal of a smart contract-based security token management system. - Shingo Fujimoto; Kazumasa Omote (Blockchain, 2022)

A study of the privacy perspective on principal component analysis via a realistic attack model. - Hiromi Yamashiro; Kazumasa Omote; Akira Imakura; Tetsuya Sakurai (CIS, 2022)

Ethereum Contract Honeypot Risk Analysis. - Motoya Ishimaki; Kazumasa Omote (FCS, 2022)

Does Blockchain Qualify as Secret-free Immutable Storage? - Kazumasa Omote (GCCE, 2022)

A Distributed Authenticity Verification Scheme Using Deep Learning for NFT Market. - Keigo Kimura; Mitsuyoshi Imamura; Kazumasa Omote (ICBTA, 2022)

A Simple and Flexible Global ID System for Authentication in Blockchain. - Kazumasa Omote (ICC, 2022)

Multifaceted Analysis of Malicious Ethereum Accounts and Corresponding Activities. - Jia Wang; Takayuki Sasaki; Kazumasa Omote; Katsunari Yoshioka; Tsutomu Matsumoto (CSP, 2022)

A Three-Step Framework for Detecting Malicious URLs. - Qisheng Chen; Kazumasa Omote (ISNCC, 2022)

Multi Pair Swap-Based Weather Derivative DeFi. - Shinya Haga; Taisei Takahashi; Kazumasa Omote (QRS Companion, 2022)

Clean-label Backdoor Attack on Machine Learning-based Malware Detection Models and Countermeasures. - Wanjia Zheng; Kazumasa Omote (TrustCom, 2022)

Toward Achieving Anonymous NFT Trading. - Zhanwen Chen; Kazumasa Omote (IEEE Access, 2022)

Blockchain-Based Autonomous Notarization System Using National eID Card. - Shinya Haga; Kazumasa Omote (IEEE Access, 2022)

Analysis of the Features and Structure Behind Availability in Blockchain Using Altcoin. - Mitsuyoshi Imamura; Kazumasa Omote (IEEE Access, 2022)

A study on robustness of malware detection model. - Wanjia Zheng; Kazumasa Omote (Ann. des Télécommunications, 2022)

VMI System with Smart Contracts for Demand Forecasting. - Kenta Hagiwara; Kazumasa Omote (AsiaJCIS, 2023)

Efficient Authentication System Based On Blockchain Using eID card. - Liang Liu; Kazumasa Omote (Blockchain, 2023)

The Validator's Dilemma in PoW Blockchain: An Evolutionary Game Perspective. - Liang Liu; Qiao Wang; Stephen John Turnbull; Kazumasa Omote (Blockchain, 2023)

Is the Blockchain Useful for Sharing Sensitive Data? - Kazumasa Omote (GCCE, 2023)

A Secure Contact Tracing Method Using Smart Contracts with Considering Privacy. - Kazumasa Omote; Tatsuhiro Fukuda (ICBC, 2023)

Cross-Referencing Scheme to Ensure NFT and Platform Linkage Unaffected by Forking. - Keigo Kimura; Mitsuyoshi Imamura; Kazumasa Omote (ICBC, 2023)

Toward Achieving Anonymous Non-Fungible Tokens in Trustless Environment. - Zhanwen Chen; Kazumasa Omote (ICBTA, 2023)

Does Private Blockchain Make Sense? - Kazumasa Omote (ICCE, 2023)

Towards Decentralized Autonomous Digital Signatures Using Smart Contracts. - Kazumasa Omote (ICOIN, 2023)

Toward the Establishment of Evaluating URL Embedding Methods Using Intrinsic Evaluator via Malicious URLs Detection. - Qisheng Chen; Kazumasa Omote (SEC, 2023)

Preventing SNS Impersonation: A Blockchain-Based Approach. - Zhanwen Chen; Kazumasa Omote (IEICE Trans. Inf. Syst., 2023)

Analysis of Papers and Patents in the Blockchain Field Using e-CSTI. - Kazumasa Omote; Torazo Ikeda; Eiko Kono; Naoki Mimura; Hiroaki Nagai; Naoaki Kashiwabara (BCCA, 2024)

Is a Blockchain-Based Ticket Without NFTs Useful? - Kazumasa Omote (ICCE-Taiwan, 2024)

A Token-Level Adversarial Example Attack Method for Machine Learning Based Malicious URL Detectors. - Qisheng Chen; Kazumasa Omote (SIN, 2024)

A Blockchain-Based System for Dynamic Redundancy in IoT Communications. - Liang Liu; Kazumasa Omote (SIN, 2024)

A Secure Contact Tracing Method Using Blockchain for Criminal Investigation. - Mizuki Tsuchida; Kazumasa Omote (SIN, 2024)

A Scientometrics Analysis of Cybersecurity Using e-CSTI. - Kazumasa Omote; Yoko Inoue; Yoshihide Terada; Naohiro Shichijo; Toshiyuki Shirai (IEEE Access, 2024)

Honeypot Method to Lure Attackers Without Holding Crypto-Assets. - Hironori Uchibori; Katsunari Yoshioka; Kazumasa Omote (IEEE Access, 2024)

Toward the Application of Differential Privacy to Data Collaboration. - Hiromi Yamashiro; Kazumasa Omote; Akira Imakura; Tetsuya Sakurai (IEEE Access, 2024)

A Sealed-Bid Auction with Fund Binding: Preventing Maximum Bidding Price Leakage. - Kota Chin; Keita Emura; Shingo Sato; Kazumasa Omote (IEICE Trans. Inf. Syst., 2024)

A Machine Learning Based Three-step Framework for Malicious URL Detection. - Qisheng Chen; Kazumasa Omote (J. Inf. Process., 2024)

Reducing Security Fatigue in Visually Impaired University Students through Problem Posing. - Masataka Kakinouchi; Kazumasa Omote (J. Inf. Process., 2024)

EtherWatch: A Framework for Detecting Suspicious Ethereum Accounts and Their Activities. - Takayuki Sasaki; Jia Wang; Kazumasa Omote; Katsunari Yoshioka; Tsutomu Matsumoto (J. Inf. Process., 2024)

Emergency Medical Access Control System Based on Public Blockchain. - Taisei Takahashi; Yan Zhihao; Kazumasa Omote (J. Medical Syst., 2024)

A Smart Contract-Based Non-Transferable Signature Verification System using Nominative Signatures. - Hinata Nishino; Kazumasa Omote; Keita Emura (AsiaJCIS, 2025)

An anonymous yet accountable contract wallet system using account abstraction. - Kota Chin; Keita Emura; Kazumasa Omote (J. Inf. Secur. Appl., 2025)

An intrinsic evaluator for embedding methods in malicious URL detection. - Qisheng Chen; Kazumasa Omote (Int. J. Inf. Sec., 2025)

Correction to: An intrinsic evaluator for embedding methods in malicious URL detection. - Qisheng Chen; Kazumasa Omote (Int. J. Inf. Sec., 2025)

On the Consideration of Vanity Address Generation via Identity-Based Signatures. - Shogo Murasaki; Kazumasa Omote; Keita Emura (CoRR, 2025)