| 2026 | ICISSP | Emergency Traffic Control with Capability-Based Access Control for the V2X Communication Environment. | Ryu Watanabe, Jun Kurihara, Toshiaki Tanaka, Kouichi Sakurai |
| 2024 | AINA | Experimental Exploration of the Power of Conditional GAN in Image Reconstruction-Based Adversarial Attack Defense Strategies. | Haibo Zhang, Kouichi Sakurai |
| 2024 | AINA | Enhancing Security and Efficiency: A Lightweight Federated Learning Approach. | Chunlu Chen, Kevin I-Kai Wang, Peng Li, Kouichi Sakurai |
| 2024 | AINA | Design and Performance Evaluation of a Two-Stage Detection of DDoS Attacks Using a Trigger with a Feature on Riemannian Manifolds. | Yang Lyu, Yaokai Feng, Kouichi Sakurai |
| 2024 | AINA | SoK: Directions and Issues in Formal Verification of Payment Protocols. | Hideki Sakurada, Kouichi Sakurai |
| 2024 | AINA | Extension of Resource Authorization Method with SSI in Edge Computing. | Ryu Watanabe, Ayumu Kubota, Jun Kurihara, Kouichi Sakurai |
| 2024 | WISA | Investigating the Transferability of Evasion Attacks in Network Intrusion Detection Systems Considering Domain-Specific Constraints. | Mariama Mbow, Rodrigo Roman, Ayan Seal, Kevin I-Kai Wang, Sraban Kumar Mohanty, Kouichi Sakurai |
| 2023 | ACNS | POSTER: Advancing Federated Edge Computing with Continual Learning for Secure and Efficient Performance. | Chunlu Chen, Kevin I-Kai Wang, Peng Li, Kouichi Sakurai |
| 2023 | ACNS | Eliminating Adversarial Perturbations Using Image-to-Image Translation Method. | Haibo Zhang, Zhihua Yao, Kouichi Sakurai |
| 2023 | ACNS | POSTER: A Fine-Grained Metric for Evaluating the Performance of Adversarial Attacks and Defenses. | Haibo Zhang, Zhihua Yao, Kouichi Sakurai |
| 2023 | NSS | Group Oriented Attribute-Based Encryption Scheme from Lattices with the Employment of Shamir's Secret Sharing Scheme. | Maharage Nisansala Sevwandi Perera, Toru Nakamura, Takashi Matsunaka, Hiroyuki Yokoyama, Kouichi Sakurai |
| 2022 | AsiaCCS | Decentralized and Collaborative Tracing for Group Signatures. | Maharage Nisansala Sevwandi Perera, Toru Nakamura, Masayuki Hashimoto, Hiroyuki Yokoyama, Chen-Mou Cheng, Kouichi Sakurai |
| 2022 | AsiaCCS | A Systematic Study of Bulletin Board and Its Application. | Misni Harjo Suwito, Bayu Adhi Tama, Bagus Santoso, Sabyasachi Dutta, Haowen Tan, Yoshifumi Ueshige, Kouichi Sakurai |
| 2022 | ISIT | On the Security Properties of Combinatorial All-or-nothing Transforms. | Yujie Gu, Sonata Akao, Navid Nasr Esfahani, Ying Miao, Kouichi Sakurai |
| 2022 | ISPEC | Attribute Based Tracing for Securing Group Signatures Against Centralized Authorities. | Maharage Nisansala Sevwandi Perera, Toru Nakamura, Takashi Matsunaka, Hiroyuki Yokoyama, Kouichi Sakurai |
| 2022 | WAIFI | Explicit Non-malleable Codes from Bipartite Graphs. | Shohei Satake, Yujie Gu, Kouichi Sakurai |
| 2022 | WISA | Towards Evaluating the Security of Human Computable Passwords Using Neural Networks. | Issei Murata, Pengju He, Yujie Gu, Kouichi Sakurai |
| 2021 | COMSNETS | Securely Computing Clustering Coefficient for Outsourced Dynamic Encrypted Graph Data. | Laltu Sardar, Gaurav Bansal, Sushmita Ruj, Kouichi Sakurai |
| 2021 | DASC | Sequential Detection of Cyber-attacks Using a Classification Filter. | Xiaojuan Cai, Yaokai Feng, Kouichi Sakurai |
| 2020 | CISIS | Simulation System of Autonomous Vehicles for Overtaking Service Using Smart Contract. | Kosuke Kaneko, Ke Yan, Kouichi Sakurai |
| 2020 | ICISS | Color Visual Cryptography Schemes Using Linear Algebraic Techniques over Rings. | Sabyasachi Dutta, Md Kutubuddin Sardar, Avishek Adhikari, Sushmita Ruj, Kouichi Sakurai |
| 2020 | NSS | AC | Shion Samadder Chaudhury, Sabyasachi Dutta, Kouichi Sakurai |
| 2020 | WISA | 3-Party Adversarial Steganography. | Ishak Meraouche, Sabyasachi Dutta, Kouichi Sakurai |
| 2019 | AINA | Deniable Secret Handshake Protocol - Revisited. | Somnath Panja, Sabyasachi Dutta, Kouichi Sakurai |
| 2019 | AINA | Simulation of Secure Volunteer Computing by Using Blockchain. | Johjima Shota, Kosuke Kaneko, Subodh Sharma, Kouichi Sakurai |
| 2019 | AINA | Implementing Lightweight IoT-IDS on Raspberry Pi Using Correlation-Based Feature Selection and Its Performance Evaluation. | Yan Naung Soe, Yaokai Feng, Paulus Insap Santosa, Rudy Hartanto, Kouichi Sakurai |
| 2019 | CEC | Universal Rules for Fooling Deep Neural Networks based Text Classification. | Di Li, Danilo Vasconcellos Vargas, Kouichi Sakurai |
| 2019 | DASC | A Sequential Scheme for Detecting Cyber Attacks in IoT Environment. | Yan Naung Soe, Yaokai Feng, Paulus Insap Santosa, Rudy Hartanto, Kouichi Sakurai |
| 2019 | DASC | Security and Trust Issues on Digital Supply Chain. | Haibo Zhang, Toru Nakamura, Kouichi Sakurai |
| 2019 | WEBIST | Efficient Shortest Path Routing Algorithms for Distributed XML Processing. | Longjian Ye, Hiroshi Koide, Dirceu Cavendish, Kouichi Sakurai |
| 2019 | SIGITE | Proposal and Evaluation of a Security Incident Response Training Method using Programming. | Katsumi Nagai, Hiroshi Koide, Kouichi Sakurai |
| 2019 | WISA | Secret Sharing on Evolving Multi-level Access Structure. | Sabyasachi Dutta, Partha Sarathi Roy, Kazuhide Fukushima, Shinsaku Kiyomoto, Kouichi Sakurai |
| 2018 | AINA | Active Attack Against Oblivious RAM. | Yuto Nakano, Seira Hidano, Shinsaku Kiyomoto, Kouichi Sakurai |
| 2018 | COMPSAC | Lightweight Classification of IoT Malware Based on Image Recognition. | Jiawei Su, Danilo Vasconcellos Vargas, Sanjiva Prasad, Daniele Sgandurra, Yaokai Feng, Kouichi Sakurai |
| 2018 | DASC | Feature Selection for Machine Learning-Based Early Detection of Distributed Cyber Attacks. | Yaokai Feng, Hitoshi Akiyama, Liang Lu, Kouichi Sakurai |
| 2018 | ICISS | Secret Sharing Schemes on Compartmental Access Structure in Presence of Cheaters. | Jyotirmoy Pramanik, Partha Sarathi Roy, Sabyasachi Dutta, Avishek Adhikari, Kouichi Sakurai |
| 2018 | ISPEC | Hierarchical Secret Sharing Schemes Secure Against Rushing Adversary: Cheater Identification and Robustness. | Partha Sarathi Roy, Sabyasachi Dutta, Kirill Morozov, Avishek Adhikari, Kazuhide Fukushima, Shinsaku Kiyomoto, Kouichi Sakurai |
| 2018 | UIC | Proof of Disease: A Blockchain Consensus Protocol for Accurate Medical Decisions and Reducing the Disease Burden. | Asoke K. Talukder, Manish Chaitanya, David Arnold, Kouichi Sakurai |
| 2017 | ICIN | Comments and improvements of "HOTA: Handover optimized ticket-based authentication in network-based mobility management". | Mojtaba Alizadeh, Mohammad Hesam Tadayon, Kouichi Sakurai, Sabariah Baharun, Hiroaki Anada, Mazdak Zamani, Akram M. Zeki, Shehzad Ashraf Chaudhry, Muhammad Khurram Khan |
| 2017 | IWSEC | Evasion Attacks Against Statistical Code Obfuscation Detectors. | Jiawei Su, Danilo Vasconcellos Vargas, Kouichi Sakurai |
| 2017 | TrustCom | Secure and Light Weight Fine-grained Access Mechanism for Outsourced Data. | Mosarrat Jahan, Partha Sarathi Roy, Kouichi Sakurai, Aruna Seneviratne, Sanjay Jha |
| 2016 | AINA | Analysis of "Receipt-Freeness" and "Coercion-Resistance" in Biometric Authentication Protocols. | Yoshifumi Ueshige, Kouichi Sakurai |
| 2016 | ICDCN | Retricoin: Bitcoin based on compact proofs of retrievability. | Binanda Sengupta, Samiran Bag, Sushmita Ruj, Kouichi Sakurai |
| 2016 | IIWAS | Cyberbullying detection using parent-child relationship between comments. | Ziyi Li, Junpei Kawamoto, Yaokai Feng, Kouichi Sakurai |
| 2016 | IWDW | On the Robustness of Visual Cryptographic Schemes. | Sabyasachi Dutta, Partha Sarathi Roy, Avishek Adhikari, Kouichi Sakurai |
| 2016 | NSS | Expressive Rating Scheme by Signatures with Predications on Ratees. | Hiroaki Anada, Sushmita Ruj, Kouichi Sakurai |
| 2016 | PKC | CCA-Secure Keyed-Fully Homomorphic Encryption. | Junzuo Lai, Robert H. Deng, Changshe Ma, Kouichi Sakurai, Jian Weng |
| 2016 | WISA | A Behavior-Based Online Engine for Detecting Distributed Cyber-Attacks. | Yaokai Feng, Yoshiaki Hori, Kouichi Sakurai |
| 2015 | AINA | Detection of Illegal Players in Massively Multiplayer Online Role Playing Game by Classification Algorithms. | Zhongqqiang Zhang, Hiroaki Anada, Junpei Kawamoto, Kouichi Sakurai |
| 2015 | ICICS | A Multivariate Encryption Scheme with Rainbow. | Takanori Yasuda, Kouichi Sakurai |
| 2015 | ICISC | Attribute-Based Two-Tier Signatures: Definition and Construction. | Hiroaki Anada, Seiko Arita, Kouichi Sakurai |
| 2014 | CCS | Attribute-based signatures without pairings via the fiat-shamir paradigm. | Hiroaki Anada, Seiko Arita, Kouichi Sakurai |
| 2014 | IWDW | Evaluation of a Zero-Watermarking-Type Steganography. | Hirokazu Ishizuka, Isao Echizen, Keiichi Iwamura, Kouichi Sakurai |
| 2014 | ProvSec | Fine-Grained Conditional Proxy Re-Encryption and Application. | Yanjiang Yang, Haibing Lu, Jian Weng, Youcheng Zhang, Kouichi Sakurai |
| 2014 | SecureComm | Securing Sensor Networks by Moderating Frequencies. | Pinaki Sarkar, Priyatosh Mahish, Morshed Uddin Chowdhury, Kouichi Sakurai |
| 2014 | WISA | Reconstructing and Visualizing Evidence of Artifact from Firefox SessionStorage. | Shinichi Matsumoto, Yuya Onitsuka, Junpei Kawamoto, Kouichi Sakurai |
| 2013 | CCS | Upper bound of the length of information embedd in RSA public key efficiently. | Motoki Kitahara, Takanori Yasuda, Takashi Nishide, Kouichi Sakurai |
| 2013 | CCS | A variant of rainbow with shorter secret key and faster signature generation. | Takanori Yasuda, Jintai Ding, Tsuyoshi Takagi, Kouichi Sakurai |
| 2013 | PQCrypto | Multivariate Signature Scheme Using Quadratic Forms. | Takanori Yasuda, Tsuyoshi Takagi, Kouichi Sakurai |
| 2013 | SecureComm | Detection of Android API Call Using Logging Mechanism within Android Framework. | Yuuki Nishimoto, Naoya Kajiwara, Shinichi Matsumoto, Yoshiaki Hori, Kouichi Sakurai |
| 2012 | AINA | A Differential Game Approach to Mitigating Primary User Emulation Attacks in Cognitive Radio Networks. | Dong Hao, Kouichi Sakurai |
| 2012 | AINA | Communication-Efficient Anonymous Routing Protocol for Wireless Sensor Networks Using Single Path Tree Topology. | Shogo Nakamura, Yoshiaki Hori, Kouichi Sakurai |
| 2012 | CLOSER | On Revenue Driven Server Management in Cloud. | Laiping Zhao, Kouichi Sakurai |
| 2012 | CLOSER | Improving Cost-Efficiency through Failure-Aware Server Management and Scheduling in Cloud. | Laiping Zhao, Kouichi Sakurai |
| 2012 | ISPA | Information Hiding of Two-dimensional Code by Multi-layer Optical. | Nobuyuki Teraura, Kouichi Sakurai |
| 2012 | IWDW | Image Splicing Verification Based on Pixel-Based Alignment Method. | Rimba Whidiana Ciptasari, Kyung Hyune Rhee, Kouichi Sakurai |
| 2012 | IWSEC | Application of Scalar Multiplication of Edwards Curves to Pairing-Based Cryptography. | Takanori Yasuda, Tsuyoshi Takagi, Kouichi Sakurai |
| 2012 | ProvSec | Secure Keyword Search Using Bloom Filter with Specified Character Positions. | Takanori Suga, Takashi Nishide, Kouichi Sakurai |
| 2012 | SAC | Barrier: a lightweight hypervisor for protecting kernel integrity via memory isolation. | Jingyu Hua, Kouichi Sakurai |
| 2012 | TrustCom | Analysis and Improvement of Privacy-Preserving Frequent Item Protocol for Accountable Computation Framework. | Chunhua Su, Guilin Wang, Kouichi Sakurai |
| 2012 | WISA | Efficient Parallel Evaluation of Multivariate Quadratic Polynomials on GPUs. | Satoshi Tanaka, Tung Chou, Bo-Yin Yang, Chen-Mou Cheng, Kouichi Sakurai |
| 2011 | AINA | A Resource Minimizing Scheduling Algorithm with Ensuring the Deadline and Reliability in Heterogeneous Systems. | Laiping Zhao, Yizhi Ren, Kouichi Sakurai |
| 2011 | APCC | Achieving cooperative detection against Sybil attack in wireless ad hoc networks: A game theoretic approach. | Xiaojuan Liao, Dong Hao, Kouichi Sakurai |
| 2011 | ICISC | Multi-User Keyword Search Scheme for Secure Data Sharing with Fine-Grained Access Control. | Fangming Zhao, Takashi Nishide, Kouichi Sakurai |
| 2011 | ISPEC | Realizing Fine-Grained and Flexible Access Control to Outsourced Data with Attribute-Based Cryptosystems. | Fangming Zhao, Takashi Nishide, Kouichi Sakurai |
| 2011 | PQCrypto | General Fault Attacks on Multivariate Public Key Cryptosystems. | Yasufumi Hashimoto, Tsuyoshi Takagi, Kouichi Sakurai |
| 2011 | PQCrypto | A Security Analysis of Uniformly-Layered Rainbow - Revisiting Sato-Araki's Non-commutative Approach to Ong-Schnorr-Shamir Signature towards PostQuantum Paradigm. | Takanori Yasuda, Kouichi Sakurai |
| 2011 | TrustCom | Proactive Blacklisting for Malicious Web Sites by Reputation Evaluation Based on Domain and IP Address Registration. | Yoshiro Fukushima, Yoshiaki Hori, Kouichi Sakurai |
| 2011 | TrustCom | Performance Analysis of Key Management Schemes in Wireless Sensor Network Using Analytic Hierarchy Process. | Na Ruan, Yizhi Ren, Yoshiaki Hori, Kouichi Sakurai |
| 2011 | SECRYPT | Towards Optimal Revocation and Tracing Schemes - The Power of the Ternary Tree. | Kazuhide Fukushima, Shinsaku Kiyomoto, Yutaka Miyake, Kouichi Sakurai |
| 2011 | WISTP | A SMS-Based Mobile Botnet Using Flooding Algorithm. | Jingyu Hua, Kouichi Sakurai |
| 2010 | ACISP | Adaptive and Composable Non-committing Encryptions. | Huafei Zhu, Tadashi Araragi, Takashi Nishide, Kouichi Sakurai |
| 2010 | DBSEC | Preserving Integrity and Confidentiality of a Directed Acyclic Graph Model of Provenance. | Amril Syalim, Takashi Nishide, Kouichi Sakurai |
| 2010 | DIMVA | Modeling and Containment of Search Worms Targeting Web Applications. | Jingyu Hua, Kouichi Sakurai |
| 2010 | HPCC | Fault tolerant scheduling with dynamic number of replicas in heterogeneous system. | Laiping Zhao, Yizhi Ren, Yang Xiang, Kouichi Sakurai |
| 2010 | IWDW | A New Scrambling Evaluation Scheme Based on Spatial Distribution Entropy and Centroid Difference of Bit-Plane. | Liang Zhao, Avishek Adhikari, Kouichi Sakurai |
| 2010 | IWDW | Cryptanalysis on an Image Scrambling Encryption Scheme Based on Pixel Bit. | Liang Zhao, Avishek Adhikari, Di Xiao, Kouichi Sakurai |
| 2010 | SECRYPT | Adaptive and Composable Non-interactive String-commitment Protocols. | Huafei Zhu, Tadashi Araragi, Takashi Nishide, Kouichi Sakurai |
| 2010 | SECRYPT | Universally Composable Non-committing Encryptions in the Presence of Adaptive Adversaries. | Huafei Zhu, Tadashi Araragi, Takashi Nishide, Kouichi Sakurai |
| 2010 | WISA | Distributed Paillier Cryptosystem without Trusted Dealer. | Takashi Nishide, Kouichi Sakurai |
| 2009 | DASFAA | Importance of Data Standardization in Privacy-Preserving K-Means Clustering. | Chunhua Su, Justin Zhan, Kouichi Sakurai |
| 2009 | IWSEC | Efficient Intrusion Detection Based on Static Analysis and Stack Walks. | Jingyu Hua, Mingchu Li, Kouichi Sakurai, Yizhi Ren |
| 2008 | ADMA | A Distributed Privacy-Preserving Association Rules Mining Scheme Using Frequent-Pattern Tree. | Chunhua Su, Kouichi Sakurai |
| 2008 | AINA | Granularity Considering in a Trust Model for P2P Networks. | Mingchu Li, Yizhi Ren, Kouichi Sakurai, Yongrui Cui, Zhi-Hui Wang |
| 2008 | AINA | Key Distribution Scheme Using Matched Filter Resistant against DoS Attack. | Ryuzou Nishi, Yoshiaki Hori, Kouichi Sakurai |
| 2008 | AINA | Thoughts on Multi-Disciplinary Inspired Research on Open Network and Information System. | Yufeng Wang, Yoshiaki Hori, Kouichi Sakurai |
| 2008 | APSCC | Invalidation of Mailing List Address to Block Spam Mails. | Kenichi Takahashi, Akihiro Sakai, Kouichi Sakurai |
| 2008 | EUC | Trust Similarity Measure in Trust Model for P2P Networks. | Yizhi Ren, Mingchu Li, Cheng Guo, Yongrui Cui, Kouichi Sakurai |
| 2008 | SECRYPT | FPGA-Targeted Hardware Implementations of K2. | Shinsaku Kiyomoto, Toshiaki Tanaka, Kouichi Sakurai |
| 2008 | WISA | Ternary Subset Difference Method and Its Quantitative Analysis. | Kazuhide Fukushima, Shinsaku Kiyomoto, Toshiaki Tanaka, Kouichi Sakurai |
| 2007 | AINA | Privacy-Preserving Two-Party K-Means Clustering via Secure Approximation. | Chunhua Su, Feng Bao, Jianying Zhou, Tsuyoshi Takagi, Kouichi Sakurai |
| 2007 | APWEB | On Studying Front-Peer Attack-Resistant Trust and Reputation Mechanisms Based on Enhanced Spreading Activation Model in P2P Environments. | Yufeng Wang, Yoshiaki Hori, Kouichi Sakurai |
| 2007 | ATC | An Adaptive Spreading Activation Approach to Combating the Front-Peer Attack in Trust and Reputation System. | Yufeng Wang, Yoshiaki Hori, Kouichi Sakurai |
| 2007 | ISPA | Forward Secure Privacy Protection Scheme for RFID System Using Advanced Encryption Standard. | Sang-Soo Yeo, Kouichi Sakurai, Sung-Eon Cho, KiSung Yang, Sung Kwon Kim |
| 2007 | ISPEC | Two-Party Privacy-Preserving Agglomerative Document Clustering. | Chunhua Su, Jianying Zhou, Feng Bao, Tsuyoshi Takagi, Kouichi Sakurai |
| 2007 | IWSEC | A Note on the (Im)possibility of Using Obfuscators to Transform Private-Key Encryption into Public-Key Encryption. | Satoshi Hada, Kouichi Sakurai |
| 2007 | IWSEC | Enforcement of Integrated Security Policy in Trusted Operating Systems. | Hyung Chan Kim, Rudrapatna S. Ramakrishna, Wook Shin, Kouichi Sakurai |
| 2007 | MMM | Induction and Implementation of Security Requirements in Each System Block. | Tai-Hoon Kim, Kouichi Sakurai, Sun-Myung Hwang |
| 2007 | PAKDD | Study on Trust Inference and Emergence of Economical Small-World Phenomena in P2P Environment. | Yufeng Wang, Yoshiaki Hori, Kouichi Sakurai |
| 2007 | PRIMA | Design and Implementation of Security Mechanisms for a Hierarchical Community-Based Multi-Agent System. | Kenichi Takahashi, Yoshiki Mitsuyuki, Tsunenori Mine, Kouichi Sakurai, Makoto Amamiya |
| 2007 | UIC | An Approach of Trusted Program Generation for User-Responsible Privacy. | Kenichi Takahashi, Zhaoyu Liu, Kouichi Sakurai, Makoto Amamiya |
| 2007 | UIC | On Characterizing Economic-Based Incentive-Compatible Mechanisms to Solving Hidden Information and Hidden Action in Ad Hoc Network. | Yufeng Wang, Yoshiaki Hori, Kouichi Sakurai |
| 2007 | SECRYPT | K2: A Stream Cipher Algorithm using Dynamic Feedback Control. | Shinsaku Kiyomoto, Toshiaki Tanaka, Kouichi Sakurai |
| 2007 | TAMC | Studying on Economic-Inspired Mechanisms for Routing and Forwarding in Wireless Ad Hoc Network. | Yufeng Wang, Yoshiaki Hori, Kouichi Sakurai |
| 2006 | AINA | An Intrusion Detection System using Alteration of Data. | Fumiaki Nagano, Kohei Tatara, Kouichi Sakurai, Toshihiro Tabata |
| 2006 | EUC | An RFID System Based MCLT System with Improved Privacy. | Jin Kwak, Keunwoo Rhee, Namje Park, Howon Kim, Seungjoo Kim, Kouichi Sakurai, Dongho Won |
| 2006 | HPCC | A Proactive Secret Sharing for Server Assisted Threshold Signatures. | Jong-Phil Yang, Kyung Hyune Rhee, Kouichi Sakurai |
| 2006 | ICCS | Efficient Password-Authenticated Key Exchange for Three-Party Secure Against Undetectable On-Line Dictionary Attacks. | Jeong Ok Kwon, Kouichi Sakurai, Dong Hoon Lee |
| 2006 | ISPEC | Design and Implementation of an Extended Reference Monitor for Trusted Operating Systems. | Hyung Chan Kim, Wook Shin, Rudrapatna S. Ramakrishna, Kouichi Sakurai |
| 2006 | IWSEC | Ciphertext-Auditable Public Key Encryption. | Satoshi Hada, Kouichi Sakurai |
| 2006 | KES | Actively Modifying Control Flow of Program for Efficient Anormaly Detection. | Kohei Tatara, Toshihiro Tabata, Kouichi Sakurai |
| 2006 | PST | Off-line verification of one-time ID in distributed environment. | Kenji Imamoto, Kouichi Sakurai |
| 2006 | UIC | On Studying P2P Topology Construction Based on Virtual Regions and Its Effect on Search Performance. | Yufeng Wang, Wendong Wang, Kouichi Sakurai, Yoshiaki Hori |
| 2006 | VizSec | Interactively combining 2D and 3D visualization for network traffic monitoring. | Erwan Le Malcot, Masayoshi Kohara, Yoshiaki Hori, Kouichi Sakurai |
| 2005 | AINA | Trends and Issues for Security of Home-Network Based on Power Line Communication. | Ryuzou Nishi, Hitoshi Morioka, Kouichi Sakurai |
| 2005 | AINA | Grouping Proof for RFID Tags. | Junichiro Saito, Kouichi Sakurai |
| 2005 | EUC | Reassignment Scheme of an RFID Tag's Key for Owner Transfer. | Junichiro Saito, Kenji Imamoto, Kouichi Sakurai |
| 2005 | EUC | A Framework for Protecting Private Information Through User-Trusted-Program and Its Realizability. | Kenichi Takahashi, Kouichi Sakurai, Makoto Amamiya |
| 2005 | EUC | Program Obfuscation Scheme Using Random Numbers to Complicate Control Flow. | Tatsuya Toyofuku, Toshihiro Tabata, Kouichi Sakurai |
| 2005 | FSE | Security Analysis of a 2/3-Rate Double Length Compression Function in the Black-Box Model. | Mridul Nandi, Wonil Lee, Kouichi Sakurai, Sangjin Lee |
| 2005 | ICICS | An Evenhanded Certified Email System for Contract Signing. | Kenji Imamoto, Jianying Zhou, Kouichi Sakurai |
| 2005 | ICICS | Simple Power Analysis on Fast Modular Reduction with NIST Recommended Elliptic Curves. | Yasuyuki Sakai, Kouichi Sakurai |
| 2005 | ICICS | Generic, Optimistic, and Efficient Schemes for Fair Certified Email Delivery. | Guilin Wang, Feng Bao, Kenji Imamoto, Kouichi Sakurai |
| 2005 | ICITA | Some Remarks on Security of Receipt-Free E-auction. | Yong-Sork Her, Kenji Imamoto, Kouichi Sakurai |
| 2005 | ICPADS | Group key distribution scheme for reducing required rekey message size. | Ryuzou Nishi, Kouichi Sakurai |
| 2005 | ICPADS | Query Forwarding Algorithm Supporting Initiator Anonymity in GNUnet. | Kohei Tatara, Yoshiaki Hori, Kouichi Sakurai |
| 2004 | ACISP | On Security of XTR Public Key Cryptosystems Against Side Channel Attacks. | Dong-Guk Han, Jongin Lim, Kouichi Sakurai |
| 2004 | ACISP | Pseudorandomness of SPN-Type Transformations. | Wonil Lee, Mridul Nandi, Palash Sarkar, Donghoon Chang, Sangjin Lee, Kouichi Sakurai |
| 2004 | AINA | A Design of Diffie-Hellman Based Key Exchange Using One-time ID in Pre-shared Key Model. | Kenji Imamoto, Kouichi Sakurai |
| 2004 | AINA | A Merging Method of Certification Authorities Without Using Cross-Certifications. | Satoshi Koga, Kouichi Sakurai |
| 2004 | CHES | A New Attack with Side Channel Leakage During Exponent Recoding Computations. | Yasuyuki Sakai, Kouichi Sakurai |
| 2004 | EUC | Enhancing Privacy of Universal Re-encryption Scheme for RFID Tags. | Junichiro Saito, Jae-Cheol Ryou, Kouichi Sakurai |
| 2004 | ICICS | Modified Power-Analysis Attacks on XTR and an Efficient Countermeasure. | Dong-Guk Han, Tetsuya Izu, Jongin Lim, Kouichi Sakurai |
| 2004 | ICISC | On the Pseudorandomness of a Modification of KASUMI Type Permutations. | Wonil Lee, Kouichi Sakurai, Seokhie Hong, Sangjin Lee |
| 2004 | PKC | A Distributed Online Certificate Status Protocol with a Single Public Key. | Satoshi Koga, Kouichi Sakurai |
| 2004 | WISA | Key-Exchange Protocol Using Pre-agreed Session-ID. | Kenji Imamoto, Kouichi Sakurai |
| 2004 | WISA | Some Fitting of Naive Bayesian Spam Filtering for Japanese Environment. | Manabu Iwanaga, Toshihiro Tabata, Kouichi Sakurai |
| 2004 | WISA | A Probabilistic Method for Detecting Anomalous Program Behavior. | Kohei Tatara, Toshihiro Tabata, Kouichi Sakurai |
| 2003 | ACNS | Does It Need Trusted Third Party? Design of Buyer-Seller Watermarking Protocol without Trusted Third Party. | Jae-Gwi Choi, Kouichi Sakurai, Ji-Hwan Park |
| 2003 | ACNS | Timing Attack against Implementation of a Parallel Algorithm for Modular Exponentiation. | Yasuyuki Sakai, Kouichi Sakurai |
| 2003 | AINA | Combating Cyber Terrorism: Countering Cyber Terrorist Advantages of Surprise and Anonymity. | Michael W. David, Kouichi Sakurai |
| 2003 | ITW | A multiple power analysis breaks the advanced version of the randomized addition-subtraction chains countermeasure against side channel attacks. | Katsuyuki Okeya, Kouichi Sakurai |
| 2003 | WWW | An Approach to Materialize Digital Fingerprinting Based on Proxy Signature Scheme. | Jae-Gwi Choi, Kouichi Sakurai, Ji-Hwan Park |
| 2003 | WISA | A Software Fingerprinting Scheme for Java Using Classfiles Obfuscation. | Kazuhide Fukushima, Kouichi Sakurai |
| 2002 | ACISP | On Insecurity of the Side Channel Attack Countermeasure Using Addition-Subtraction Chains under Distinguishability between Addition and Doubling. | Katsuyuki Okeya, Kouichi Sakurai |
| 2002 | ACISP | On the Security of a Modified Paillier Public-Key Primitive. | Kouichi Sakurai, Tsuyoshi Takagi |
| 2002 | CHES | Fast Multi-scalar Multiplication Methods on Elliptic Curves with Precomputation Strategy Using Montgomery Trick. | Katsuyuki Okeya, Kouichi Sakurai |
| 2002 | ICICS | Risks with Raw-Key Masking - The Security Evaluation of 2-Key XCBC. | Soichi Furuya, Kouichi Sakurai |
| 2002 | ICISC | A Reject Timing Attackon an IND-CCA2 Public-Key Cryptosystem. | Kouichi Sakurai, Tsuyoshi Takagi |
| 2002 | INDOCRYPT | A Certified E-mail System with Receiver's Selective Usage of Delivery Authority. | Kenji Imamoto, Kouichi Sakurai |
| 2002 | PKC | New Semantically Secure Public-Key Cryptosystems from the RSA-Primitive. | Kouichi Sakurai, Tsuyoshi Takagi |
| 2001 | CHES | Efficient Elliptic Curve Cryptosystems from a Scalar Multiplication Algorithm with Recovery of the y-Coordinate on a Montgomery-Form Elliptic Curve. | Katsuyuki Okeya, Kouichi Sakurai |
| 2001 | ICISC | An IND-CCA2 Public-Key Cryptosystem with Fast Decryption. | Johannes Buchmann, Kouichi Sakurai, Tsuyoshi Takagi |
| 2001 | ICISC | Design and Analysis of Fast Provably Secure Public-Key Cryptosystems Based on a Modular Squaring. | Mototsugu Nishioka, Hisayoshi Satoh, Kouichi Sakurai |
| 2001 | ICISC | A Fast Scalar Multiplication Method with Randomized Projective Coordinates on a Montgomery-Form Elliptic Curve Secure against Side Channel Attacks. | Katsuyuki Okeya, Kunihiko Miyazaki, Kouichi Sakurai |
| 2001 | WETICE | English vs. Sealed Bid in Anonymous Electronic Auction Protocols. | Daisuke Hirakiuchi, Kouichi Sakurai |
| 2000 | ACISP | Efficient Scalar Multiplications on Elliptic Curves without Repeated Doublings and Their Practical Performance. | Yasuyuki Sakai, Kouichi Sakurai |
| 2000 | ACISP | An Anonymous Electronic Bidding Protocol Based on a New Convertible Group Signature Scheme. | Kouichi Sakurai, Shingo Miyazaki |
| 2000 | INDOCRYPT | Power Analysis Breaks Elliptic Curve Cryptosystems even Secure against the Timing Attack. | Katsuyuki Okeya, Kouichi Sakurai |
| 2000 | PKC | Making Hash Functions From Block Ciphers Secure and Efficient by Using Convolutional Codes. | Toro Inoue, Kouichi Sakurai |
| 2000 | PKC | Elliptic Curves with the Montgomery-Form and Their Cryptographic Applications. | Katsuyuki Okeya, Hiroyuki Kurumatani, Kouichi Sakurai |
| 2000 | STOC | On zero-knowledge proofs (extended abstract): "from membership to decision". | Giovanni Di Crescenzo, Kouichi Sakurai, Moti Yung |
| 1999 | ICISC | On Threshold RSA-Signing with no Dealer. | Shingo Miyazaki, Kouichi Sakurai, Moti Yung |
| 1999 | ICISC | A Hardware-Oriented Algorithm for Computing in Jacobians and Its Implementation for Hyperelliptic Curve Cryptosystems. | Tetsuya Tamura, Kouichi Sakurai, Tsutomu Matsumoto |
| 1999 | PKC | Toward Fair International Key Escrow. | Shingo Miyazaki, Ikuko Kuroda, Kouichi Sakurai |
| 1998 | ASIACRYPT | Design of Hyperelliptic Cryptosystems in Small Characteristic and a Software Implementation over F | Yasuyuki Sakai, Kouichi Sakurai |
| 1998 | FC | A More Efficient Untraceable E-Cash System with Partially Blind Signatures Based on the Discrete Logarithm Problem. | Shingo Miyazaki, Kouichi Sakurai |
| 1998 | ISAAC | Checking Programs Discreetly: Demonstrating Result-Correctness Efficiently while Concealing it. | Giovanni Di Crescenzo, Kouichi Sakurai, Moti Yung |
| 1998 | PKC | Security Issues for Contactless Smart Cards. | Michael W. David, Kouichi Sakurai |
| 1998 | PKC | Secure Hyperelliptic Cryptosystems and Their Performances. | Yasuyuki Sakai, Kouichi Sakurai, Hirokazu Ishizuka |
| 1998 | STACS | Result-Indistinguishable Zero-Knowledge Proofs: Increased Power and Constant-Round Protocols. | Giovanni Di Crescenzo, Kouichi Sakurai, Moti Yung |
| 1997 | ACISP | Protection of Data and Delegated Keys in Digital Distribution. | Masahiro Mambo, Eiji Okamoto, Kouichi Sakurai |
| 1997 | FSE | Improving Linear Cryptanalysis of LOKI91 by Probabilistic Counting Method. | Kouichi Sakurai, Souichi Furuya |
| 1997 | ICICS | Zero-knowledge proofs of decision power: new protocols and optimal round-complexity. | Giovanni Di Crescenzo, Kouichi Sakurai, Moti Yung |
| 1997 | ICICS | On weak RSA-keys produced from Pretty Good Privacy. | Yasuyuki Sakai, Kouichi Sakurai, Hirokazu Ishizuka |
| 1997 | ISAAC | On-Line Versus Off-Line in Money-Making Strategies with BROKERAGE. | Eisuke Dannoura, Kouichi Sakurai |
| 1996 | ASIACRYPT | How to Utilize the Transformability of Digital Signatures for Solving the Oracle Problem. | Masahiro Mambo, Kouichi Sakurai, Eiji Okamoto |
| 1996 | ASIACRYPT | A Hidden Cryptographic Assunmption in No-Transferable Indentification Schemes. | Kouichi Sakurai |
| 1996 | COCOON | On the Complexity of Computational Problems Associated with Simple Stochastic Games (Extended Abstract). | Akio Yanbe, Kouichi Sakurai |
| 1996 | ISAAC | Cryptographic Weaknesses in the Round Transformation Used in a Block Cipher with Provable Immunity Against Linear Cryptanalysis (Extended Abstract). | Kouichi Sakurai, Yuliang Zheng |
| 1995 | COCOON | On Separating Proofs of Knowledge from Proofs of Membership of Languages and Its Application to Secure Identification Schemes (Extended Abstract). | Kouichi Sakurai |
| 1995 | EuroCrypt | Relationships Among the Computational Powers of Breaking Discrete Log Cryptosystems. | Kouichi Sakurai, Hiroki Shizuya |
| 1992 | ASIACRYPT | Subliminal Channels for Signature Transfer and Their Application to Signature Distribution Schemes. | Kouichi Sakurai, Toshiya Itoh |
| 1992 | ASIACRYPT | On Bit Correlations Among Preimages of "Many to One" One-Way Functions. | Kouichi Sakurai, Toshiya Itoh |
| 1992 | CRYPTO | On the Discrepancy between Serial and Parallel of Zero-Knowledge Protocols (Extended Abstract). | Kouichi Sakurai, Toshiya Itoh |
| 1992 | EuroCrypt | How Intractable Is the Discrete Logarithm for a General Finite Group? | Tatsuaki Okamoto, Kouichi Sakurai, Hiroki Shizuya |
| 1991 | ASIACRYPT | On the Complexity of Constant Round ZKIP of Possession of Knowledge. | Toshiya Itoh, Kouichi Sakurai |
| 1991 | ASIACRYPT | Any Language in IP Has a Divertable ZKIP. | Toshiya Itoh, Kouichi Sakurai, Hiroki Shizuya |
| 1991 | ASIACRYPT | 4 Move Perfect ZKIP of Knowledge with No Assumption. | Takeshi Saito, Kaoru Kurosawa, Kouichi Sakurai |
| 1991 | CRYPTO | Efficient Algorithms for the Construction of Hyperelliptic Cryptosystems. | Tatsuaki Okamoto, Kouichi Sakurai |
| 1991 | EuroCrypt | On the Complexity of Hyperelliptic Discrete Logarithm Problem. | Hiroki Shizuya, Toshiya Itoh, Kouichi Sakurai |