On the Complexity of Constant Round ZKIP of Possession of Knowledge. - Toshiya Itoh; Kouichi Sakurai (ASIACRYPT, 1991)

Any Language in IP Has a Divertable ZKIP. - Toshiya Itoh; Kouichi Sakurai; Hiroki Shizuya (ASIACRYPT, 1991)

4 Move Perfect ZKIP of Knowledge with No Assumption. - Takeshi Saito; Kaoru Kurosawa; Kouichi Sakurai (ASIACRYPT, 1991)

Efficient Algorithms for the Construction of Hyperelliptic Cryptosystems. - Tatsuaki Okamoto; Kouichi Sakurai (CRYPTO, 1991)

On the Complexity of Hyperelliptic Discrete Logarithm Problem. - Hiroki Shizuya; Toshiya Itoh; Kouichi Sakurai (EUROCRYPT, 1991)

Subliminal Channels for Signature Transfer and Their Application to Signature Distribution Schemes. - Kouichi Sakurai; Toshiya Itoh (AUSCRYPT, 1992)

On Bit Correlations Among Preimages of "Many to One" One-Way Functions. - Kouichi Sakurai; Toshiya Itoh (AUSCRYPT, 1992)

On the Discrepancy between Serial and Parallel of Zero-Knowledge Protocols (Extended Abstract). - Kouichi Sakurai; Toshiya Itoh (CRYPTO, 1992)

How Intractable Is the Discrete Logarithm for a General Finite Group? - Tatsuaki Okamoto; Kouichi Sakurai; Hiroki Shizuya (EUROCRYPT, 1992)

On Separating Proofs of Knowledge from Proofs of Membership of Languages and Its Application to Secure Identification Schemes (Extended Abstract). - Kouichi Sakurai (COCOON, 1995)

Relationships Among the Computational Powers of Breaking Discrete Log Cryptosystems. - Kouichi Sakurai; Hiroki Shizuya (EUROCRYPT, 1995)

How to Utilize the Transformability of Digital Signatures for Solving the Oracle Problem. - Masahiro Mambo; Kouichi Sakurai; Eiji Okamoto (ASIACRYPT, 1996)

A Hidden Cryptographic Assunmption in No-Transferable Indentification Schemes. - Kouichi Sakurai (ASIACRYPT, 1996)

On the Complexity of Computational Problems Associated with Simple Stochastic Games (Extended Abstract). - Akio Yanbe; Kouichi Sakurai (COCOON, 1996)

A Progress Report on Subliminal-Free Channels. - Mike Burmester; Yvo Desmedt; Toshiya Itoh; Kouichi Sakurai; Hiroki Shizuya; Moti Yung (Information Hiding, 1996)

Blind Decoding, Blind Undeniable Signatures, and Their Applications to Privacy Protection. - Kouichi Sakurai; Yoshinori Yamane (Information Hiding, 1996)

Cryptographic Weaknesses in the Round Transformation Used in a Block Cipher with Provable Immunity Against Linear Cryptanalysis (Extended Abstract). - Kouichi Sakurai; Yuliang Zheng 001 (ISAAC, 1996)

A Short Certificate of the Number of Universal Optimal Strategies for Stopping Simple Stochastic Games. - Akio Yanbe; Kouichi Sakurai (Inf. Process. Lett., 1996)

Protection of Data and Delegated Keys in Digital Distribution. - Masahiro Mambo; Eiji Okamoto; Kouichi Sakurai (ACISP, 1997)

Improving Linear Cryptanalysis of LOKI91 by Probabilistic Counting Method. - Kouichi Sakurai; Souichi Furuya (FSE, 1997)

Zero-knowledge proofs of decision power: new protocols and optimal round-complexity. - Giovanni Di Crescenzo; Kouichi Sakurai; Moti Yung (ICICS, 1997)

On weak RSA-keys produced from Pretty Good Privacy. - Yasuyuki Sakai; Kouichi Sakurai; Hirokazu Ishizuka (ICICS, 1997)

On-Line Versus Off-Line in Money-Making Strategies with BROKERAGE. - Eisuke Dannoura; Kouichi Sakurai (ISAAC, 1997)

A Key Escrow System with Protecting User's Privacy by Blind Decoding. - Kouichi Sakurai; Yoshinori Yamani; Shingo Miyazaki; Tohru Inoue (ISW, 1997)

Practical Proofs of Knowledge without Relying on Theoretical Proofs of Membership on Languages. - Kouichi Sakurai (Theor. Comput. Sci., 1997)

Design of Hyperelliptic Cryptosystems in Small Characteristic and a Software Implementation over F2n. - Yasuyuki Sakai; Kouichi Sakurai (ASIACRYPT, 1998)

A More Efficient Untraceable E-Cash System with Partially Blind Signatures Based on the Discrete Logarithm Problem. - Shingo Miyazaki; Kouichi Sakurai (Financial Cryptography, 1998)

Checking Programs Discreetly: Demonstrating Result-Correctness Efficiently while Concealing it. - Giovanni Di Crescenzo; Kouichi Sakurai; Moti Yung (ISAAC, 1998)

Security Issues for Contactless Smart Cards. - Michael W. David; Kouichi Sakurai (Public Key Cryptography, 1998)

Secure Hyperelliptic Cryptosystems and Their Performances. - Yasuyuki Sakai; Kouichi Sakurai; Hirokazu Ishizuka (Public Key Cryptography, 1998)

Result-Indistinguishable Zero-Knowledge Proofs: Increased Power and Constant-Round Protocols. - Giovanni Di Crescenzo; Kouichi Sakurai; Moti Yung (STACS, 1998)

An Improvement on El-Yaniv-Fiat-Karp-Turpin's Money-Making Bi-Directional Trading Strategy. - Eisuke Dannoura; Kouichi Sakurai (Inf. Process. Lett., 1998)

A Structural Comparison of the Computational Difficulty of Breaking Discrete Log Cryptosystems. - Kouichi Sakurai; Hiroki Shizuya (J. Cryptol., 1998)

On Threshold RSA-Signing with no Dealer. - Shingo Miyazaki; Kouichi Sakurai; Moti Yung (ICISC, 1999)

A Hardware-Oriented Algorithm for Computing in Jacobians and Its Implementation for Hyperelliptic Curve Cryptosystems. - Tetsuya Tamura; Kouichi Sakurai; Tsutomu Matsumoto (ICISC, 1999)

Toward Fair International Key Escrow. - Shingo Miyazaki; Ikuko Kuroda; Kouichi Sakurai (Public Key Cryptography, 1999)

Divertible and Subliminal-Free Zero-Knowledge Proofs for Languages. - Mike Burmester; Yvo Desmedt; Toshiya Itoh; Kouichi Sakurai; Hiroki Shizuya (J. Cryptol., 1999)

Efficient Scalar Multiplications on Elliptic Curves without Repeated Doublings and Their Practical Performance. - Yasuyuki Sakai; Kouichi Sakurai (ACISP, 2000)

An Anonymous Electronic Bidding Protocol Based on a New Convertible Group Signature Scheme. - Kouichi Sakurai; Shingo Miyazaki (ACISP, 2000)

Power Analysis Breaks Elliptic Curve Cryptosystems even Secure against the Timing Attack. - Katsuyuki Okeya; Kouichi Sakurai (INDOCRYPT, 2000)

Making Hash Functions From Block Ciphers Secure and Efficient by Using Convolutional Codes. - Toro Inoue; Kouichi Sakurai (Public Key Cryptography, 2000)

Elliptic Curves with the Montgomery-Form and Their Cryptographic Applications. - Katsuyuki Okeya; Hiroyuki Kurumatani; Kouichi Sakurai (Public Key Cryptography, 2000)

On zero-knowledge proofs (extended abstract): "from membership to decision". - Giovanni Di Crescenzo; Kouichi Sakurai; Moti Yung (STOC, 2000)

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 (CHES, 2001)

An IND-CCA2 Public-Key Cryptosystem with Fast Decryption. - Johannes Buchmann 001; Kouichi Sakurai; Tsuyoshi Takagi (ICISC, 2001)

Design and Analysis of Fast Provably Secure Public-Key Cryptosystems Based on a Modular Squaring. - Mototsugu Nishioka; Hisayoshi Satoh; Kouichi Sakurai (ICISC, 2001)

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 (ICISC, 2001)

On the Power of Multidoubling in Speeding Up Elliptic Scalar Multiplication. - Yasuyuki Sakai; Kouichi Sakurai (Selected Areas in Cryptography, 2001)

English vs. Sealed Bid in Anonymous Electronic Auction Protocols. - Daisuke Hirakiuchi; Kouichi Sakurai (WETICE, 2001)

On Insecurity of the Side Channel Attack Countermeasure Using Addition-Subtraction Chains under Distinguishability between Addition and Doubling. - Katsuyuki Okeya; Kouichi Sakurai (ACISP, 2002)

On the Security of a Modified Paillier Public-Key Primitive. - Kouichi Sakurai; Tsuyoshi Takagi (ACISP, 2002)

Fast Multi-scalar Multiplication Methods on Elliptic Curves with Precomputation Strategy Using Montgomery Trick. - Katsuyuki Okeya; Kouichi Sakurai (CHES, 2002)

Risks with Raw-Key Masking - The Security Evaluation of 2-Key XCBC. - Soichi Furuya; Kouichi Sakurai (ICICS, 2002)

A Reject Timing Attackon an IND-CCA2 Public-Key Cryptosystem. - Kouichi Sakurai; Tsuyoshi Takagi (ICISC, 2002)

A Certified E-mail System with Receiver's Selective Usage of Delivery Authority. - Kenji Imamoto; Kouichi Sakurai (INDOCRYPT, 2002)

A Second-Order DPA Attack Breaks a Window-Method Based Countermeasure against Side Channel Attacks. - Katsuyuki Okeya; Kouichi Sakurai (ISC, 2002)

Algorithms for Efficient Simultaneous Elliptic Scalar Multiplication with Reduced Joint Hamming Weight Representation of Scalars. - Yasuyuki Sakai; Kouichi Sakurai (ISC, 2002)

New Semantically Secure Public-Key Cryptosystems from the RSA-Primitive. - Kouichi Sakurai; Tsuyoshi Takagi (Public Key Cryptography, 2002)

Single-Path Authenticated-Encryption Scheme Based on Universal Hashing. - Soichi Furuya; Kouichi Sakurai (Selected Areas in Cryptography, 2002)

A Scalar Multiplication Algorithm with Recovery of the y-Coordinate on the Montgomery Form and Analysis of Efficiency for Elliptic Curve Cryptosystems. - Katsuyuki Okeya; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Speeding Up Elliptic Scalar Multiplication Using Multidoubling. - Yasuyuki Sakai; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

Does It Need Trusted Third Party? Design of Buyer-Seller Watermarking Protocol without Trusted Third Party. - Jae-Gwi Choi; Kouichi Sakurai; Ji-Hwan Park (ACNS, 2003)

Timing Attack against Implementation of a Parallel Algorithm for Modular Exponentiation. - Yasuyuki Sakai; Kouichi Sakurai (ACNS, 2003)

Combating Cyber Terrorism: Countering Cyber Terrorist Advantages of Surprise and Anonymity. - Michael W. David; Kouichi Sakurai (AINA, 2003)

Certified E-mail Systems Using Public Notice Board. - Kenji Imamoto; Kouichi Sakurai (DEXA Workshops, 2003)

A multiple power analysis breaks the advanced version of the randomized addition-subtraction chains countermeasure against side channel attacks. - Katsuyuki Okeya; Kouichi Sakurai (ITW, 2003)

A Software Fingerprinting Scheme for Java Using Classfiles Obfuscation. - Kazuhide Fukushima; Kouichi Sakurai (WISA, 2003)

An Approach to Materialize Digital Fingerprinting Based on Proxy Signature Scheme. - Jae-Gwi Choi; Kouichi Sakurai; Ji-Hwan Park (WWW (Posters), 2003)

Use of Montgomery Trick in Precomputation of Multi-Scalar Multiplication in Elliptic Curve Cryptosystems. - Katsuyuki Okeya; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

A Simple Power Attack on a Randomized Addition-Subtraction Chains Method for Elliptic Curve Cryptosystems. - Katsuyuki Okeya; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

An Efficient Representation of Scalars for Simultaneous Elliptic Scalar Multiplication. - Yasuyuki Sakai; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2003)

Pseudorandomness of SPN-Type Transformations. - Wonil Lee; Mridul Nandi; Palash Sarkar 001; Donghoon Chang; Sangjin Lee 002; Kouichi Sakurai (ACISP, 2004)

A Design of Diffie-Hellman Based Key Exchange Using One-time ID in Pre-shared Key Model. - Kenji Imamoto; Kouichi Sakurai (AINA (1), 2004)

A Merging Method of Certification Authorities Without Using Cross-Certifications. - Satoshi Koga; Kouichi Sakurai (AINA (2), 2004)

A New Attack with Side Channel Leakage During Exponent Recoding Computations. - Yasuyuki Sakai; Kouichi Sakurai (CHES, 2004)

Enhancing Privacy of Universal Re-encryption Scheme for RFID Tags. - Junichiro Saito; Jae-Cheol Ryou 001; Kouichi Sakurai (EUC, 2004)

Pre-production Methods of a Response to Certificates with the Common Status - Design and Theoretical Evaluation. - Satoshi Koga; Jae-Cheol Ryou 001; Kouichi Sakurai (EuroPKI, 2004)

Design of Intrusion Detection System at User Level with System-Call Interposing. - Toshihiro Tabata; Kouichi Sakurai (ICETE (2), 2004)

Modified Power-Analysis Attacks on XTR and an Efficient Countermeasure. - Dong-Guk Han; Tetsuya Izu; Jongin Lim 001; Kouichi Sakurai (ICICS, 2004)

On the Pseudorandomness of a Modification of KASUMI Type Permutations. - Wonil Lee; Kouichi Sakurai; Seokhie Hong; Sangjin Lee 002 (ICISC, 2004)

A DRM Framework for Secure Distribution of Mobile Contents. - Kwon Il Lee; Kouichi Sakurai; Jun Seok Lee; Jae-Cheol Ryou 001 (ICOIN, 2004)

A Distributed Online Certificate Status Protocol with a Single Public Key. - Satoshi Koga; Kouichi Sakurai (Public Key Cryptography, 2004)

Key-Exchange Protocol Using Pre-agreed Session-ID. - Kenji Imamoto; Kouichi Sakurai (WISA, 2004)

Some Fitting of Naive Bayesian Spam Filtering for Japanese Environment. - Manabu Iwanaga; Toshihiro Tabata; Kouichi Sakurai (WISA, 2004)

A Probabilistic Method for Detecting Anomalous Program Behavior. - Kohei Tatara; Toshihiro Tabata; Kouichi Sakurai (WISA, 2004)

On security of XTR public key cryptosystems against Side Channel Attacks. - Dong-Guk Han; Jongin Lim 001; Kouichi Sakurai (IACR Cryptol. ePrint Arch., 2004)

A Generalization of PGV-Hash Functions and Security Analysis in Black-Box Model. - Wonil Lee; Mridul Nandi; Palash Sarkar 001; Donghoon Chang; Sangjin Lee 002; Kouichi Sakurai (IACR Cryptol. ePrint Arch., 2004)

Analysis and Design for Private Message Board Systems. - Kenji Imamoto; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2004)

Trends and Issues for Security of Home-Network Based on Power Line Communication. - Ryuzou Nishi; Hitoshi Morioka; Kouichi Sakurai (AINA, 2005)

Grouping Proof for RFID Tags. - Junichiro Saito; Kouichi Sakurai (AINA, 2005)

Reassignment Scheme of an RFID Tag's Key for Owner Transfer. - Junichiro Saito; Kenji Imamoto; Kouichi Sakurai (EUC Workshops, 2005)

A Framework for Protecting Private Information Through User-Trusted-Program and Its Realizability. - Kenichi Takahashi; Kouichi Sakurai; Makoto Amamiya (EUC Workshops, 2005)

Program Obfuscation Scheme Using Random Numbers to Complicate Control Flow. - Tatsuya Toyofuku; Toshihiro Tabata; Kouichi Sakurai (EUC Workshops, 2005)

Security Analysis of a 2/3-Rate Double Length Compression Function in the Black-Box Model. - Mridul Nandi; Wonil Lee; Kouichi Sakurai; Sangjin Lee 002 (FSE, 2005)

An Evenhanded Certified Email System for Contract Signing. - Kenji Imamoto; Jianying Zhou 001; Kouichi Sakurai (ICICS, 2005)

Simple Power Analysis on Fast Modular Reduction with NIST Recommended Elliptic Curves. - Yasuyuki Sakai; Kouichi Sakurai (ICICS, 2005)

Generic, Optimistic, and Efficient Schemes for Fair Certified Email Delivery. - Guilin Wang; Feng Bao 001; Kenji Imamoto; Kouichi Sakurai (ICICS, 2005)

Some Remarks on Security of Receipt-Free E-auction. - Yong-Sork Her; Kenji Imamoto; Kouichi Sakurai (ICITA (2), 2005)

The Improved Risk Analysis Mechanism in the Practical Risk Analysis System. - SangCheol Hwang; Namhoon Lee; Kouichi Sakurai; Joong Gil Park; Jaecheol Ryou 001 (ICOIN, 2005)

Group key distribution scheme for reducing required rekey message size. - Ryuzou Nishi; Kouichi Sakurai (ICPADS (2), 2005)

Query Forwarding Algorithm Supporting Initiator Anonymity in GNUnet. - Kohei Tatara; Yoshiaki Hori; Kouichi Sakurai (ICPADS (2), 2005)

A Study on a Framework of Online Biometric Authentication with Verification of Personal Repository. - Yoshifumi Ueshige; Kouichi Sakurai (IWAP, 2005)

Design and Analysis of Diffie-Hellman-Based Key Exchange Using One-time ID by SVO Logic. - Kenji Imamoto; Kouichi Sakurai (ARSPA@ICALP, 2005)

Side Channel Cryptanalysis on XTR Public Key Cryptosystem. - Dong-Guk Han; Tetsuya Izu; Jongin Lim 001; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

A Collaborative Role-Based Access Control for Trusted Operating Systems in Distributed Environment. - Hyung Chan Kim; Rudrapatna S. Ramakrishna; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Experimental Analysis of Guess-and-Determine Attacks on Clock-Controlled Stream Ciphers. - Shinsaku Kiyomoto; Toshiaki Tanaka; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Proposal and Analysis of a Distributed Online Certificate Status Protocol with Low Communication Cost. - Satoshi Koga; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

PGV-Style Block-Cipher-Based Hash Families and Black-Box Analysis. - Wonil Lee; Mridul Nandi; Palash Sarkar 001; Donghoon Chang; Sangjin Lee 002; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

On the Vulnerability of Exponent Recodings for the Exponentiation against Side Channel Attacks. - Yasuyuki Sakai; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Procedural Constraints in the Extended RBAC and the Coloured Petri Net Modeling. - Wook Shin; Jeong-Gun Lee; Hong Kook Kim; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

An Intrusion Detection System using Alteration of Data. - Fumiaki Nagano; Kohei Tatara; Kouichi Sakurai; Toshihiro Tabata (AINA (1), 2006)

Application and Evaluation of Bayesian Filter for Chinese Spam. - Zhan Wang; Yoshiaki Hori; Kouichi Sakurai (Inscrypt, 2006)

One-Round Protocol for Two-Party Verifier-Based Password-Authenticated Key Exchange. - Jeong Ok Kwon; Kouichi Sakurai; Dong Hoon Lee 001 (Communications and Multimedia Security, 2006)

A Framework for the User-Oriented Personal Information Protection. - Kenichi Takahashi; Kouichi Sakurai (Security and Management, 2006)

A Proposal of One-Time Biometric Authentication. - Yoshifumi Ueshige; Kouichi Sakurai (Security and Management, 2006)

An RFID System Based MCLT System with Improved Privacy. - Jin Kwak; Keunwoo Rhee; Namje Park; Howon Kim 001; Seungjoo Kim; Kouichi Sakurai; Dongho Won (EUC Workshops, 2006)

Distributing Security-Mediated PKI Revisited. - Jong-Phil Yang; Kouichi Sakurai; Kyung Hyune Rhee (EuroPKI, 2006)

A Proactive Secret Sharing for Server Assisted Threshold Signatures. - Jong-Phil Yang; Kyung Hyune Rhee; Kouichi Sakurai (HPCC, 2006)

Efficient Password-Authenticated Key Exchange for Three-Party Secure Against Undetectable On-Line Dictionary Attacks. - Jeong Ok Kwon; Kouichi Sakurai; Dong Hoon Lee 001 (International Conference on Computational Science (1), 2006)

Design and Implementation of an Extended Reference Monitor for Trusted Operating Systems. - Hyung Chan Kim; Wook Shin; Rudrapatna S. Ramakrishna; Kouichi Sakurai (ISPEC, 2006)

Ciphertext-Auditable Public Key Encryption. - Satoshi Hada; Kouichi Sakurai (IWSEC, 2006)

Actively Modifying Control Flow of Program for Efficient Anormaly Detection. - Kohei Tatara; Toshihiro Tabata; Kouichi Sakurai (KES (2), 2006)

Security analysis of MIS protocol on wireless LAN comparison with IEEE802.11i. - Yoshiaki Hori; Kouichi Sakurai (Mobility Conference, 2006)

Off-line verification of one-time ID in distributed environment. - Kenji Imamoto; Kouichi Sakurai (PST, 2006)

Enhanced Privacy in Key-Exchange Protocols by One-time ID. - Kenji Imamoto; Kouichi Sakurai (SecPerU, 2006)

On Studying P2P Topology Construction Based on Virtual Regions and Its Effect on Search Performance. - Yufeng Wang 001; Wendong Wang; Kouichi Sakurai; Yoshiaki Hori (UIC, 2006)

Interactively combining 2D and 3D visualization for network traffic monitoring. - Erwan Le Malécot; Masayoshi Kohara; Yoshiaki Hori; Kouichi Sakurai (VizSEC, 2006)

Password-Authenticated Multi-Party Key Exchange with Different Passwords. - Jeong Ok Kwon; Ik Rae Jeong; Kouichi Sakurai; Dong Hoon Lee 001 (IACR Cryptol. ePrint Arch., 2006)

Simple Power Analysis on Fast Modular Reduction with Generalized Mersenne Prime for Elliptic Curve Cryptosystems. - Yasuyuki Sakai; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Usage Control Model and Architecture for Data Confidentiality in a Database Service Provider. - Amril Syalim; Toshihiro Tabata; Kouichi Sakurai (Inf. Media Technol., 2006)

A Policy Language for the Extended Reference Monitor in Trusted Operating Systems. - Hyung Chan Kim; Rudrapatna S. Ramakrishna; Wook Shin; Kouichi Sakurai (ARES, 2007)

Privacy-Preserving Two-Party K-Means Clustering via Secure Approximation. - Chunhua Su; Feng Bao 001; Jianying Zhou 001; Tsuyoshi Takagi; Kouichi Sakurai (AINA Workshops (1), 2007)

On Studying Front-Peer Attack-Resistant Trust and Reputation Mechanisms Based on Enhanced Spreading Activation Model in P2P Environments. - Yufeng Wang 001; Yoshiaki Hori; Kouichi Sakurai (APWeb/WAIM Workshops, 2007)

An Adaptive Spreading Activation Approach to Combating the Front-Peer Attack in Trust and Reputation System. - Yufeng Wang 001; Yoshiaki Hori; Kouichi Sakurai (ATC, 2007)

A Practical Proxy Device for Protecting RFID Tag's Identifier. - Sang-Soo Yeo; Kouichi Sakurai; Jin Kwak (BLISS, 2007)

Economic-Inspired Truthful Reputation Feedback Mechanism in P2P Networks. - Yufeng Wang 001; Yoshiaki Hori; Kouichi Sakurai (FTDCS, 2007)

K2 Stream Cipher. - Shinsaku Kiyomoto; Toshiaki Tanaka; Kouichi Sakurai (ICETE (Selected Papers), 2007)

Bot Detection Based on Traffic Analysis. - Yuji Kugisaki; Yoshiaki Kasahara; Yoshiaki Hori; Kouichi Sakurai (IPC, 2007)

Two-Servers PIR Based DNS Query Scheme with Privacy-Preserving. - Fangming Zhao; Yoshiaki Hori; Kouichi Sakurai (IPC, 2007)

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 (ISPA Workshops, 2007)

Two-Party Privacy-Preserving Agglomerative Document Clustering. - Chunhua Su; Jianying Zhou 001; Feng Bao 001; Tsuyoshi Takagi; Kouichi Sakurai (ISPEC, 2007)

A Note on the (Im)possibility of Using Obfuscators to Transform Private-Key Encryption into Public-Key Encryption. - Satoshi Hada; Kouichi Sakurai (IWSEC, 2007)

Enforcement of Integrated Security Policy in Trusted Operating Systems. - Hyung Chan Kim; Rudrapatna S. Ramakrishna; Wook Shin; Kouichi Sakurai (IWSEC, 2007)

Induction and Implementation of Security Requirements in Each System Block. - Tai-Hoon Kim; Kouichi Sakurai; Sun-Myung Hwang (MMM (2), 2007)

An Approach of Program Analysis Prevention for Information Protection. - Kenichi Takahashi; Zhaoyu Liu; Kouichi Sakurai (MUE, 2007)

Analysis of Privacy Disclosure in DNS Query. - Fangming Zhao; Yoshiaki Hori; Kouichi Sakurai (MUE, 2007)

Study on Trust Inference and Emergence of Economical Small-World Phenomena in P2P Environment. - Yufeng Wang 001; Yoshiaki Hori; Kouichi Sakurai (PAKDD Workshops, 2007)

Design and Implementation of Security Mechanisms for a Hierarchical Community-Based Multi-Agent System. - Kenichi Takahashi; Yoshiki Mitsuyuki; Tsunenori Mine; Kouichi Sakurai; Makoto Amamiya (PRIMA, 2007)

K2: A Stream Cipher Algorithm using Dynamic Feedback Control. - Shinsaku Kiyomoto; Toshiaki Tanaka; Kouichi Sakurai (SECRYPT, 2007)

Studying on Economic-Inspired Mechanisms for Routing and Forwarding in Wireless Ad Hoc Network. - Yufeng Wang 001; Yoshiaki Hori; Kouichi Sakurai (TAMC, 2007)

An Approach of Trusted Program Generation for User-Responsible Privacy. - Kenichi Takahashi; Zhaoyu Liu; Kouichi Sakurai; Makoto Amamiya (UIC, 2007)

On Characterizing Economic-Based Incentive-Compatible Mechanisms to Solving Hidden Information and Hidden Action in Ad Hoc Network. - Yufeng Wang 001; Yoshiaki Hori; Kouichi Sakurai (UIC, 2007)

Efficient verifier-based password-authenticated key exchange in the three-party setting. - Jeong Ok Kwon; Ik Rae Jeong; Kouichi Sakurai; Dong Hoon Lee 001 (Comput. Stand. Interfaces, 2007)

On Effectiveness of Clock Control in Stream Ciphers. - Shinsaku Kiyomoto; Kazuhide Fukushima; Toshiaki Tanaka; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Actual Condition and Issues for Mobile Security System. - Kouichi Sakurai; Kazuhide Fukushima (J. Inf. Process. Syst., 2007)

A New Scheme for Distributed Density Estimation based Privacy-Preserving Clustering. - Chunhua Su; Feng Bao 001; Jianying Zhou 001; Tsuyoshi Takagi; Kouichi Sakurai (ARES, 2008)

A Distributed Privacy-Preserving Association Rules Mining Scheme Using Frequent-Pattern Tree. - Chunhua Su; Kouichi Sakurai (ADMA, 2008)

Granularity Considering in a Trust Model for P2P Networks. - Mingchu Li; Yizhi Ren; Kouichi Sakurai; Yongrui Cui; Zhi-Hui Wang 001 (AINA Workshops, 2008)

Key Distribution Scheme Using Matched Filter Resistant against DoS Attack. - Ryuzou Nishi; Yoshiaki Hori; Kouichi Sakurai (AINA Workshops, 2008)

Thoughts on Multi-Disciplinary Inspired Research on Open Network and Information System. - Yufeng Wang 001; Yoshiaki Hori; Kouichi Sakurai (AINA Workshops, 2008)

Invalidation of Mailing List Address to Block Spam Mails. - Kenichi Takahashi; Akihiro Sakai; Kouichi Sakurai (APSCC, 2008)

Trust Similarity Measure in Trust Model for P2P Networks. - Yizhi Ren; Mingchu Li; Cheng Guo 001; Yongrui Cui; Kouichi Sakurai (EUC (2), 2008)

Intrusion Detection Using Third-Parties Support. - Masakazu Fujii; Kenichi Takahashi; Yoshiaki Hori; Kouichi Sakurai (FTDCS, 2008)

Analyzing Maximum Length of Instruction Sequence in Network Packets for Polymorphic Worm Detection. - Kohei Tatara; Yoshiaki Hori; Kouichi Sakurai (MUE, 2008)

Monitoring Unused IP Addresses on Segments Managed by DHCP. - Seiichiro Mizoguchi; Yoshiaki Hori; Kouichi Sakurai (NCM (1), 2008)

FPGA-Targeted Hardware Implementations of K2. - Shinsaku Kiyomoto; Toshiaki Tanaka; Kouichi Sakurai (SECRYPT, 2008)

Ternary Subset Difference Method and Its Quantitative Analysis. - Kazuhide Fukushima; Shinsaku Kiyomoto; Toshiaki Tanaka; Kouichi Sakurai (WISA, 2008)

Analysis of Program Obfuscation Schemes with Variable Encoding Technique. - Kazuhide Fukushima; Shinsaku Kiyomoto; Toshiaki Tanaka; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

Toward a Scalable Visualization System for Network Traffic Monitoring. - Erwan Le Malécot; Masayoshi Kohara; Yoshiaki Hori; Kouichi Sakurai (IEICE Trans. Inf. Syst., 2008)

Reliable Key Distribution Scheme for Lossy Channels. - Ryuzou Nishi; Yoshiaki Hori; Kouichi Sakurai (IEICE Trans. Inf. Syst., 2008)

Achieving evenhandedness in certified email system for contract signing. - Kenji Imamoto; Jianying Zhou 001; Kouichi Sakurai (Int. J. Inf. Sec., 2008)

Characterizing Economic and Social Properties of Trust and Reputation Systems in P2P Environment. - Yufeng Wang 001; Yoshiaki Hori; Kouichi Sakurai (J. Comput. Sci. Technol., 2008)

Optimization of Group Key Management Structure with a Client Join-Leave Mechanism. - Kazuhide Fukushima; Shinsaku Kiyomoto; Toshiaki Tanaka; Kouichi Sakurai (J. Inf. Process., 2008)

Security Analysis for P2P Routing Protocols. - Tatsuro Fujii; Yizhi Ren; Yoshiaki Hori; Kouichi Sakurai (ARES, 2009)

Secrecy Capacity of Wireless LAN. - Ryuzou Nishi; Yoshiaki Hori; Kouichi Sakurai (ARES, 2009)

Comparison of Risk Analysis Methods: Mehari, Magerit, NIST800-30 and Microsoft's Security Management Guide. - Amril Syalim; Yoshiaki Hori; Kouichi Sakurai (ARES, 2009)

Polymorphic Worm Detection by Analyzing Maximum Length of Instruction Sequence in Network Packets. - Kohei Tatara; Yoshiaki Hori; Kouichi Sakurai (ARES, 2009)

A Signature Scheme Associated with Universal Re-signcryption. - Kohei Tatara; Kouichi Sakurai (ARES, 2009)

Importance of Data Standardization in Privacy-Preserving K-Means Clustering. - Chunhua Su; Justin Zhan; Kouichi Sakurai (DASFAA Workshops, 2009)

Comments on Kang-Park's Security Scheme for Fast Handover in Hierarchical Mobile IPv6. - Ilsun You; Kouichi Sakurai; Yoshiaki Hori (FCST, 2009)

Efficient Intrusion Detection Based on Static Analysis and Stack Walks. - Jingyu Hua; Mingchu Li; Kouichi Sakurai; Yizhi Ren (IWSEC, 2009)

Formal Verification for Access Control in Web Information Sharing System. - Akihiro Sakai; Yoshiaki Hori; Kouichi Sakurai (ISA, 2009)

Grouping Provenance Information to Improve Efficiency of Access Control. - Amril Syalim; Yoshiaki Hori; Kouichi Sakurai (ISA, 2009)

An Adaptive Reputation-Based Algorithm for Grid Virtual Organization Formation. - Yongrui Cui; Mingchu Li; Yizhi Ren; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

A New Secret Sharing Scheme Based on the Multi-Dealer. - Cheng Guo 001; Mingchu Li; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Modeling Security Bridge Certificate Authority Architecture. - Yizhi Ren; Mingchu Li; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Foreword. - Kouichi Sakurai (IEICE Trans. Inf. Syst., 2009)

Security and Correctness Analysis on Privacy-Preserving k-Means Clustering Schemes. - Chunhua Su; Feng Bao 001; Jianying Zhou 001; Tsuyoshi Takagi; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Distributed Noise Generation for Density Estimation Based Clustering without Trusted Third Party. - Chunhua Su; Feng Bao 001; Jianying Zhou 001; Tsuyoshi Takagi; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

A Security Analysis on Kempf-Koodli's Security Scheme for Fast Mobile IPv6. - Ilsun You; Kouichi Sakurai; Yoshiaki Hori (IEICE Trans. Commun., 2009)

An Enhanced Security Protocol for Fast Mobile IPv6. - Ilsun You; Kouichi Sakurai; Yoshiaki Hori (IEICE Trans. Inf. Syst., 2009)

Adaptive and Composable Non-committing Encryptions. - Huafei Zhu; Tadashi Araragi; Takashi Nishide; Kouichi Sakurai (ACISP, 2010)

Darknet Monitoring on Real-Operated Networks. - Seiichiro Mizoguchi; Yoshiro Fukushima; Yoshiaki Kasahara; Yoshiaki Hori; Kouichi Sakurai (BWCCA, 2010)

Preserving Integrity and Confidentiality of a Directed Acyclic Graph Model of Provenance. - Amril Syalim; Takashi Nishide; Kouichi Sakurai (DBSec, 2010)

Modeling and Containment of Search Worms Targeting Web Applications. - Jingyu Hua; Kouichi Sakurai (DIMVA, 2010)

Fault tolerant scheduling with dynamic number of replicas in heterogeneous system. - Laiping Zhao; Yizhi Ren; Yang Xiang 001; Kouichi Sakurai (HPCC, 2010)

Adaptive and Composable Non-interactive String-Commitment Protocols. - Huafei Zhu; Tadashi Araragi; Takashi Nishide; Kouichi Sakurai (ICETE (Selected Papers), 2010)

Universally Composable Non-committing Encryptions in the Presence of Adaptive Adversaries. - Huafei Zhu; Tadashi Araragi; Takashi Nishide; Kouichi Sakurai (ICETE (Selected Papers), 2010)

A Game Theory-Based Surveillance Mechanism against Suspicious Insiders in MANETs - (Work-in-Progress). - Dong Hao; Yizhi Ren; Kouichi Sakurai (INTRUST, 2010)

Design and Implementation of Document Access Control Model Based on Role and Security Policy. - Liangjian Mao; Shuzhen Yao; Kai Zhang; Kouichi Sakurai (INTRUST, 2010)

SPSE: A flexible QoS-based service scheduling algorithm for service-oriented Grid. - Laiping Zhao; Yizhi Ren; Mingchu Li; Kouichi Sakurai (IPDPS Workshops, 2010)

A New Scrambling Evaluation Scheme Based on Spatial Distribution Entropy and Centroid Difference of Bit-Plane. - Liang Zhao; Avishek Adhikari; Kouichi Sakurai (IWDW, 2010)

Cryptanalysis on an Image Scrambling Encryption Scheme Based on Pixel Bit. - Liang Zhao; Avishek Adhikari; Di Xiao 001; Kouichi Sakurai (IWDW, 2010)

Study of Log File Dispersion Management Method. - Fumiharu Etoh; Kenichi Takahashi; Yoshiaki Hori; Kouichi Sakurai (SAINT, 2010)

Model-Based Intrusion Detection by Abstract Interpretation. - Jingyu Hua; Takashi Nishide; Kouichi Sakurai (SAINT, 2010)

A Design of History Based Traffic Filtering with Probabilistic Packet Marking against DoS Attacks. - Tadashi Kiuchi; Yoshiaki Hori; Kouichi Sakurai (SAINT, 2010)

Behavior Control Based on Dynamic Code Translation. - Akihiro Sakai; Yoshiaki Hori; Kouichi Sakurai (SAINT, 2010)

Distributed Paillier Cryptosystem without Trusted Dealer. - Takashi Nishide; Kouichi Sakurai (WISA, 2010)

Improved Subset Difference Method with Ternary Tree. - Kazuhide Fukushima; Shinsaku Kiyomoto; Toshiaki Tanaka; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

Towards a Fairness Multimedia Transmission Using Layered-Based Multicast Protocol. - Heru Sukoco; Yoshiaki Hori; Hendrawan; Kouichi Sakurai (IEICE Trans. Inf. Syst., 2010)

Foreword. - Guojun Wang 001; Laurence Tianruo Yang; Kouichi Sakurai (IEICE Trans. Inf. Syst., 2010)

ESS-FH: Enhanced Security Scheme for Fast Handover in Hierarchical Mobile IPv6. - Ilsun You; Jong-Hyouk Lee; Kouichi Sakurai; Yoshiaki Hori (IEICE Trans. Inf. Syst., 2010)

Analysis of Existing Privacy-Preserving Protocols in Domain Name System. - Fangming Zhao; Yoshiaki Hori; Kouichi Sakurai (IEICE Trans. Inf. Syst., 2010)

Securing Location-Aware Services Based on Online/Offline Signatures in VANETs. - Chul Sur; Youngho Park 004; Takashi Nishide; Kouichi Sakurai; Kyung Hyune Rhee (ARES, 2011)

A Resource Minimizing Scheduling Algorithm with Ensuring the Deadline and Reliability in Heterogeneous Systems. - Laiping Zhao; Yizhi Ren; Kouichi Sakurai (AINA, 2011)

Achieving cooperative detection against Sybil attack in wireless ad hoc networks: A game theoretic approach. - Xiaojuan Liao; Dong Hao; Kouichi Sakurai (APCC, 2011)

Cryptanalysis of Randomized Arithmetic Codes Based on Markov Model. - Liang Zhao; Takashi Nishide; Avishek Adhikari; Kyung Hyune Rhee; Kouichi Sakurai (Inscrypt, 2011)

Revocation and Tracing Based on Ternary Tree: Towards Optimal Broadcast Encryption Scheme. - Kazuhide Fukushima; Shinsaku Kiyomoto; Yutaka Miyake; Kouichi Sakurai (ICETE (Selected Papers), 2011)

Multi-User Keyword Search Scheme for Secure Data Sharing with Fine-Grained Access Control. - Fangming Zhao; Takashi Nishide; Kouichi Sakurai (ICISC, 2011)

Integrity for the In-flight web page based on a fragile watermarking chain scheme. - Peng Gao; Takashi Nishide; Yoshiaki Hori; Kouichi Sakurai (ICUIMC, 2011)

A generic evaluation method for key management schemes in wireless sensor network. - Ruan Na; Yizhi Ren; Yoshiaki Hori; Kouichi Sakurai (ICUIMC, 2011)

An Efficient Key Generation Method in Audio Zero-Watermarking. - Rimba Whidiana Ciptasari; Aulia Fajar; Fazmah Arif Yulianto; Kouichi Sakurai (IIH-MSP, 2011)

A Robust and Compression-Combined Digital Image Encryption Method Based on Compressive Sensing. - Rong Huang 003; Kouichi Sakurai (IIH-MSP, 2011)

Design and Implementation of a Forced Encryption Kernel Module. - Jun Furukawa 002; Akihiro Sakai; Takashi Nishide; Yoshiaki Hori; Kouichi Sakurai (IMIS, 2011)

Traceback Framework against Botmaster by Sharing Network Communication Pattern Information. - Seiichiro Mizoguchi; Keisuke Takemori; Yutaka Miyake; Yoshiaki Hori; Kouichi Sakurai (IMIS, 2011)

Towards Countermeasure of Insider Threat in Network Security. - Yoshiaki Hori; Takashi Nishide; Kouichi Sakurai (INCoS, 2011)

Security of Offline Anonymous Electronic Cash Systems against Insider Attacks by Untrusted Authorities Revisited. - Takashi Nishide; Kouichi Sakurai (INCoS, 2011)

Mixed-Strategy Game Based Trust Management for Clustered Wireless Sensor Networks. - Dong Hao; Avishek Adhikari; Kouichi Sakurai (INTRUST, 2011)

Realizing Fine-Grained and Flexible Access Control to Outsourced Data with Attribute-Based Cryptosystems. - Fangming Zhao; Takashi Nishide; Kouichi Sakurai (ISPEC, 2011)

Improvement on Secrecy Capacity of Wireless LAN Using Matched Filter. - Ryuzou Nishi; Kirill Morozov; Yoshiaki Hori; Kouichi Sakurai (MSN, 2011)

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 (PQCrypto, 2011)

A Study of Communication Route Selection Considering Route Security. - Fumiharu Etoh; Yoshiaki Hori; Kouichi Sakurai (SAINT, 2011)

Towards Optimal Revocation and Tracing Schemes - The Power of the Ternary Tree. - Kazuhide Fukushima; Shinsaku Kiyomoto; Yutaka Miyake; Kouichi Sakurai (SECRYPT, 2011)

Proactive Blacklisting for Malicious Web Sites by Reputation Evaluation Based on Domain and IP Address Registration. - Yoshiro Fukushima; Yoshiaki Hori; Kouichi Sakurai (TrustCom, 2011)

Performance Analysis of Key Management Schemes in Wireless Sensor Network Using Analytic Hierarchy Process. - Na Ruan; Yizhi Ren; Yoshiaki Hori; Kouichi Sakurai (TrustCom, 2011)

A SMS-Based Mobile Botnet Using Flooding Algorithm. - Jingyu Hua; Kouichi Sakurai (WISTP, 2011)

Efficient Context-Sensitive Intrusion Detection Based on State Transition Table. - Jingyu Hua; Mingchu Li; Yizhi Ren; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Towards formal analysis of wireless LAN security with MIS protocol. - Ilsun You; Yoshiaki Hori; Kouichi Sakurai (Int. J. Ad Hoc Ubiquitous Comput., 2011)

Addressing Insider Threats and Information Leakage. - Christian W. Probst; Ilsun You; Dongwan Shin; Kouichi Sakurai (J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl., 2011)

Enhancing SVO Logic for Mobile IPv6 Security Protocols. - Ilsun You; Yoshiaki Hori; Kouichi Sakurai (J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl., 2011)

Enhancing MISP with Fast Mobile IPv6 Security. - Ilsun You; Jong-Hyouk Lee; Yoshiaki Hori; Kouichi Sakurai (Mob. Inf. Syst., 2011)

FineTrust: a fine-grained trust model for peer-to-peer networks. - Yizhi Ren; Mingchu Li; Kouichi Sakurai (Secur. Commun. Networks, 2011)

Guest editorial: Trusted computing and communications. - Guojun Wang 001; Laurence Tianruo Yang; Kouichi Sakurai (Secur. Commun. Networks, 2011)

A Differential Game Approach to Mitigating Primary User Emulation Attacks in Cognitive Radio Networks. - Dong Hao; Kouichi Sakurai (AINA, 2012)

Communication-Efficient Anonymous Routing Protocol for Wireless Sensor Networks Using Single Path Tree Topology. - Shogo Nakamura; Yoshiaki Hori; Kouichi Sakurai (AINA Workshops, 2012)

On Revenue Driven Server Management in Cloud. - Laiping Zhao; Kouichi Sakurai (CLOSER, 2012)

Improving Cost-Efficiency through Failure-Aware Server Management and Scheduling in Cloud. - Laiping Zhao; Kouichi Sakurai (CLOSER (Selected Papers), 2012)

Differential Fault Analysis of Full LBlock. - Liang Zhao; Takashi Nishide; Kouichi Sakurai (COSADE, 2012)

Collaborative Behavior Visualization and Its Detection by Observing Darknet Traffic. - Satoru Akimoto; Yoshiaki Hori; Kouichi Sakurai (CSS, 2012)

Reducing the Key Size of Rainbow Using Non-commutative Rings. - Takanori Yasuda; Kouichi Sakurai; Tsuyoshi Takagi (CT-RSA, 2012)

Analysis of Methods for Detecting Compromised Nodes and its Countermeasures. - Fangming Zhao; Takashi Nishide; Yoshiaki Hori; Kouichi Sakurai (ICITCS, 2012)

Cooperatively securing network coding against pollution attacks with incentive mechanism. - Yichao Xu; Kouichi Sakurai (ICUIMC, 2012)

A Method for Embedding Secret Key Information in RSA Public Key and Its Application. - Motoki Kitahara; Takashi Nishide; Kouichi Sakurai (IMIS, 2012)

Proposal of the Hierarchical File Server Groups for Implementing Mandatory Access Control. - Taketoshi Sakuraba; Kouichi Sakurai (IMIS, 2012)

Efficient Implementation of Evaluating Multivariate Quadratic System with GPUs. - Satoshi Tanaka; Takashi Nishide; Kouichi Sakurai (IMIS, 2012)

Preventing the Access of Fraudulent WEB Sites by Using a Special Two-Dimensional Code. - Nobuyuki Teraura; Kouichi Sakurai (IMIS, 2012)

Information Hiding of Two-dimensional Code by Multi-layer Optical. - Nobuyuki Teraura; Kouichi Sakurai (ISPA, 2012)

Image Splicing Verification Based on Pixel-Based Alignment Method. - Rimba Whidiana Ciptasari; Kyung Hyune Rhee; Kouichi Sakurai (IWDW, 2012)

Application of Scalar Multiplication of Edwards Curves to Pairing-Based Cryptography. - Takanori Yasuda; Tsuyoshi Takagi; Kouichi Sakurai (IWSEC, 2012)

An Image Splicing Detection Based on Interpolation Analysis. - Rimba Whidiana Ciptasari; Kyung Hyune Rhee; Kouichi Sakurai (PCM, 2012)

Secure Keyword Search Using Bloom Filter with Specified Character Positions. - Takanori Suga; Takashi Nishide; Kouichi Sakurai (ProvSec, 2012)

Barrier: a lightweight hypervisor for protecting kernel integrity via memory isolation. - Jingyu Hua; Kouichi Sakurai (SAC, 2012)

A Behavior-Based Detection Method for Outbreaks of Low-Rate Attacks. - Yaokai Feng; Yoshiaki Hori; Kouichi Sakurai; Jun'ichi Takeuchi (SAINT, 2012)

Analysis and Improvement of Privacy-Preserving Frequent Item Protocol for Accountable Computation Framework. - Chunhua Su; Guilin Wang; Kouichi Sakurai (TrustCom, 2012)

Efficient Parallel Evaluation of Multivariate Quadratic Polynomials on GPUs. - Satoshi Tanaka; Tung Chou; Bo-Yin Yang; Chen-Mou Cheng; Kouichi Sakurai (WISA, 2012)

A repeated game approach for analyzing the collusion on selective forwarding in multihop wireless networks. - Dong Hao; Xiaojuan Liao; Avishek Adhikari; Kouichi Sakurai; Makoto Yokoo (Comput. Commun., 2012)

DSSH: Digital signature based secure handover for network-based mobility management. - Ilsun You; Jong-Hyouk Lee; Kouichi Sakurai (Comput. Syst. Sci. Eng., 2012)

Securing Provenance of Distributed Processes in an Untrusted Environment. - Amril Syalim; Takashi Nishide; Kouichi Sakurai (IEICE Trans. Inf. Syst., 2012)

A Finite Equivalence of Verifiable Multi-secret Sharing. - Hui Zhao; Mingchu Li; Kouichi Sakurai; Yizhi Ren; Jonathan Z. Sun; Fengying Wang (Int. J. Comput. Intell. Syst., 2012)

Detecting Information Leakage via a HTTP Request Based on the Edit Distance. - Kazuki Chiba; Yoshiaki Hori; Kouichi Sakurai (J. Internet Serv. Inf. Secur., 2012)

Flexible service selection with user-specific QoS support in service-oriented architecture. - Laiping Zhao; Yizhi Ren; Mingchu Li; Kouichi Sakurai (J. Netw. Comput. Appl., 2012)

Analytic Hierarchy Process aided Key Management Schemes Evaluation in Wireless Sensor Network. - Ruan Na; Yizhi Ren; Yoshiaki Hori; Kouichi Sakurai (J. Networks, 2012)

Security Analysis of Offline E-cash Systems with Malicious Insider. - Takashi Nishide; Shingo Miyazaki; Kouichi Sakurai (J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl., 2012)

Managing Insider Security Threats (MIST 2012 Volume 1). - Kouichi Sakurai; Dieter Gollmann (J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl., 2012)

Detecting HTTP-Based Botnet Based on Characteristic of the C & C Session Using by SVM. - Kazumasa Yamauchi; Yoshiaki Hori; Kouichi Sakurai (AsiaJCIS, 2013)

Performance Evaluation of Information Theoretic Secure Multi-channel Transmission on Multihop Wireless Network. - Wataru Tsuda; Yoshiaki Hori; Kouichi Sakurai (BWCCA, 2013)

Upper bound of the length of information embedd in RSA public key efficiently. - Motoki Kitahara; Takanori Yasuda; Takashi Nishide; Kouichi Sakurai (AsiaPKC@AsiaCCS, 2013)

A variant of rainbow with shorter secret key and faster signature generation. - Takanori Yasuda; Jintai Ding; Tsuyoshi Takagi; Kouichi Sakurai (AsiaPKC@AsiaCCS, 2013)

Security Model and Analysis of FHMQV, Revisited. - Shengli Liu 001; Kouichi Sakurai; Jian Weng 001; Fangguo Zhang; Yunlei Zhao (Inscrypt, 2013)

Supporting Secure Provenance Update by Keeping "Provenance" of the Provenance. - Amril Syalim; Takashi Nishide; Kouichi Sakurai (ICT-EurAsia, 2013)

A proposal for the privacy leakage verification tool for Android application developers. - Shinichi Matsumoto; Kouichi Sakurai (ICUIMC, 2013)

Efficient Computing over GF(2^16) Using Graphics Processing Unit. - Satoshi Tanaka; Takanori Yasuda; Bo-Yin Yang; Chen-Mou Cheng; Kouichi Sakurai (IMIS, 2013)

Multivariate Signature Scheme Using Quadratic Forms. - Takanori Yasuda; Tsuyoshi Takagi; Kouichi Sakurai (PQCrypto, 2013)

Detection of Android API Call Using Logging Mechanism within Android Framework. - Yuuki Nishimoto; Naoya Kajiwara; Shinichi Matsumoto; Yoshiaki Hori; Kouichi Sakurai (SecureComm, 2013)

Botnet command and control based on Short Message Service and human mobility. - Jingyu Hua; Kouichi Sakurai (Comput. Networks, 2013)

Efficient implementation for QUAD stream cipher with GPUs. - Satoshi Tanaka; Takashi Nishide; Kouichi Sakurai (Comput. Sci. Inf. Syst., 2013)

Exploiting reference images for image splicing verification. - Rimba Whidiana Ciptasari; Kyung Hyune Rhee; Kouichi Sakurai (Digit. Investig., 2013)

General Fault Attacks on Multivariate Public Key Cryptosystems. - Yasufumi Hashimoto; Tsuyoshi Takagi; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)

Confidentiality of 2D Code using Infrared with Cell-level Error Correction. - Nobuyuki Teraura; Kouichi Sakurai (Int. J. Interact. Multim. Artif. Intell., 2013)

A Behavior-based Method for Detecting Distributed Scan Attacks in Darknets. - Yaokai Feng; Yoshiaki Hori; Kouichi Sakurai; Jun'ichi Takeuchi (J. Inf. Process., 2013)

Reliable workflow scheduling with less resource redundancy. - Laiping Zhao; Yizhi Ren; Kouichi Sakurai (Parallel Comput., 2013)

Evolution of cooperation in reputation system by group-based scheme. - Yizhi Ren; Mingchu Li; Yang Xiang 001; Yongrui Cui; Kouichi Sakurai (J. Supercomput., 2013)

Acquisition of Evidence of Web Storage in HTML5 Web Browsers from Memory Image. - Shinichi Matsumoto; Kouichi Sakurai (AsiaJCIS, 2014)

A Parameterless Learning Algorithm for Behavior-Based Detection. - Can Wang; Yaokai Feng; Junpei Kawamoto; Yoshiaki Hori; Kouichi Sakurai (AsiaJCIS, 2014)

Attribute-based signatures without pairings via the fiat-shamir paradigm. - Hiroaki Anada; Seiko Arita; Kouichi Sakurai (AsiaPKC@AsiaCCS, 2014)

Towards 'Receipt-Freeness' in Remote Biometric Authentication. - Yoshifumi Ueshige; Kouichi Sakurai (EST, 2014)

Parallelization of QUAD Stream Cipher Using Linear Recurring Sequences on Graphics Processing Units. - Satoshi Tanaka; Chen-Mou Cheng; Takanori Yasuda; Kouichi Sakurai (CANDAR, 2014)

Privacy-aware cloud-based input method editor. - Junpei Kawamoto; Kouichi Sakurai (ICCC, 2014)

Implementation of Efficient Operations over GF(232) Using Graphics Processing Units. - Satoshi Tanaka; Takanori Yasuda; Kouichi Sakurai (ICT-EurAsia, 2014)

Efficient Variant of Rainbow without Triangular Matrix Representation. - Takanori Yasuda; Tsuyoshi Takagi; Kouichi Sakurai (ICT-EurAsia, 2014)

A method of digital rights management based on Bitcoin protocol. - Motoki Kitahara; Junpei Kawamoto; Kouichi Sakurai (ICUIMC, 2014)

A Zero-Watermarking-Like Steganography and Potential Applications. - Hirokazu Ishizuka; Isao Echizen; Keiichi Iwamura; Kouichi Sakurai (IIH-MSP, 2014)

Identity-Embedding Method for Decentralized Public-Key Infrastructure. - Hiroaki Anada; Junpei Kawamoto; Jian Weng 001; Kouichi Sakurai (INTRUST, 2014)

Evaluation of a Zero-Watermarking-Type Steganography. - Hirokazu Ishizuka; Isao Echizen; Keiichi Iwamura; Kouichi Sakurai (IWDW, 2014)

Fine-Grained Conditional Proxy Re-Encryption and Application. - Yanjiang Yang; Haibing Lu; Jian Weng 001; Youcheng Zhang; Kouichi Sakurai (ProvSec, 2014)

Securing Sensor Networks by Moderating Frequencies. - Pinaki Sarkar; Priyatosh Mahish; Morshed Uddin Chowdhury; Kouichi Sakurai (SecureComm (2), 2014)

Evaluation of the Identity and Compatibility of Multi-valued Cells in Two-Dimensional Codes Using Smartphones. - Nobuyuki Teraura; Kouichi Sakurai (SOCA, 2014)

An Efficient Robust Secret Sharing Scheme with Optimal Cheater Resiliency. - Partha Sarathi Roy 001; Avishek Adhikari; Rui Xu 006; Kirill Morozov; Kouichi Sakurai (SPACE, 2014)

Reconstructing and Visualizing Evidence of Artifact from Firefox SessionStorage. - Shinichi Matsumoto; Yuya Onitsuka; Junpei Kawamoto; Kouichi Sakurai (WISA, 2014)

An enhanced audio ownership protection scheme based on visual cryptography. - Rimba Whidiana Ciptasari; Kyung Hyune Rhee; Kouichi Sakurai (EURASIP J. Inf. Secur., 2014)

An Efficient t-Cheater Identifiable Secret Sharing Scheme with Optimal Cheater Resiliency. - Partha Sarathi Roy 001; Avishek Adhikari; Rui Xu 006; Kirill Morozov; Kouichi Sakurai (IACR Cryptol. ePrint Arch., 2014)

Fast Implementation of KCipher-2 for Software and Hardware. - Yuto Nakano; Kazuhide Fukushima; Shinsaku Kiyomoto; Tsukasa Ishiguro; Yutaka Miyake; Toshiaki Tanaka; Kouichi Sakurai (IEICE Trans. Inf. Syst., 2014)

Comparison of Access Pattern Protection Schemes and Proposals for Efficient Implementation. - Yuto Nakano; Shinsaku Kiyomoto; Yutaka Miyake; Kouichi Sakurai (IEICE Trans. Inf. Syst., 2014)

Security of Multivariate Signature Scheme Using Non-commutative Rings. - Takanori Yasuda; Tsuyoshi Takagi; Kouichi Sakurai (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)

Fine-Grained Access Control Aware Multi-User Data Sharing with Secure Keyword Search. - Fangming Zhao; Takashi Nishide; Kouichi Sakurai (IEICE Trans. Inf. Syst., 2014)

Fast Evaluation of Multivariate Quadratic Polynomials over GF(2^32) using Grahpics Processing Units. - Satoshi Tanaka; Takanori Yasuda; Kouichi Sakurai (J. Internet Serv. Inf. Secur., 2014)

Detection of Privacy Sensitive Information Retrieval Using API Call Logging Mechanism within Android Framework. - Naoya Kajiwara; Shinichi Matsumoto; Yuuki Nishimoto; Yoshiaki Hori; Kouichi Sakurai (J. Networks, 2014)

Efficient variant of Rainbow using sparse secret keys. - Takanori Yasuda; Tsuyoshi Takagi; Kouichi Sakurai (J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl., 2014)

Collaborative agglomerative document clustering with limited information disclosure. - Chunhua Su; Jianying Zhou 001; Feng Bao 001; Tsuyoshi Takagi; Kouichi Sakurai (Secur. Commun. Networks, 2014)

Detection of Illegal Players in Massively Multiplayer Online Role Playing Game by Classification Algorithms. - Zhongqqiang Zhang; Hiroaki Anada; Junpei Kawamoto; Kouichi Sakurai (AINA, 2015)

A Proposal for Detecting Distributed Cyber-Attacks Using Automatic Thresholding. - Yaokai Feng; Yoshiaki Hori; Kouichi Sakurai (AsiaJCIS, 2015)

On the Application of Clique Problem for Proof-of-Work in Cryptocurrencies. - Samiran Bag; Sushmita Ruj; Kouichi Sakurai (Inscrypt, 2015)

Evaluation of Matching Accuracy of Template Matching Using a Steganography Algorithm. - Hirokazu Ishizuka; Kouichi Sakurai; Isao Echizen; Keiichi Iwamura (CANDAR, 2015)

Constructing Pairing-Friendly Elliptic Curves Using Global Number Fields. - Takanori Yasuda; Tsuyoshi Takagi; Kouichi Sakurai (CANDAR, 2015)

A Multivariate Encryption Scheme with Rainbow. - Takanori Yasuda; Kouichi Sakurai (ICICS, 2015)

Attribute-Based Two-Tier Signatures: Definition and Construction. - Hiroaki Anada; Seiko Arita; Kouichi Sakurai (ICISC, 2015)

Detection of Android ad library focusing on HTTP connections and view object redraw behaviors. - Naoya Kajiwara; Junpei Kawamoto; Shinichi Matsumoto; Yoshiaki Hori; Kouichi Sakurai (ICOIN, 2015)

Hybrid Encryption Scheme Using Terminal Fingerprint and Its Application to Attribute-Based Encryption Without Key Misuse. - Chunlu Chen; Hiroaki Anada; Junpei Kawamoto; Kouichi Sakurai (ICT-EurAsia/CONFENIS, 2015)

Application of NTRU Using Group Rings to Partial Decryption Technique. - Takanori Yasuda; Hiroaki Anada; Kouichi Sakurai (INTRUST, 2015)

Proposal of multi-value cell structure for high-density two-dimensional codes and evaluation of readability using smartphones. - Nobuyuki Teraura; Kouichi Sakurai (NTMS, 2015)

Evaluation of gamma ray durability of RF tag and application to the radiation environment. - Nobuyuki Teraura; Kunio Ito; Daisuke Kobayashi; Kouichi Sakurai (RFID-TA, 2015)

Plaintext checkable encryption with designated checker. - Angsuman Das; Avishek Adhikari; Kouichi Sakurai (Adv. Math. Commun., 2015)

A multivariate quadratic challenge toward post-quantum generation cryptography. - Takanori Yasuda; Xavier Dahan; Yun-Ju Huang; Tsuyoshi Takagi; Kouichi Sakurai (ACM Commun. Comput. Algebra, 2015)

Efficient Threshold Secret Sharing Schemes Secure against Rushing Cheaters. - Avishek Adhikari; Kirill Morozov; Satoshi Obana; Partha Sarathi Roy 001; Kouichi Sakurai; Rui Xu 006 (IACR Cryptol. ePrint Arch., 2015)

MQ Challenge: Hardness Evaluation of Solving Multivariate Quadratic Problems. - Takanori Yasuda; Xavier Dahan; Yun-Ju Huang; Tsuyoshi Takagi; Kouichi Sakurai (IACR Cryptol. ePrint Arch., 2015)

Characterizing NTRU-Variants Using Group Ring and Evaluating their Lattice Security. - Takanori Yasuda; Xavier Dahan; Kouichi Sakurai (IACR Cryptol. ePrint Arch., 2015)

Computational Soundness of Uniformity Properties for Multi-party Computation based on LSSS. - Hui Zhao; Kouichi Sakurai (IACR Cryptol. ePrint Arch., 2015)

Provably Secure Anonymous Authentication Scheme for Roaming Service in Global Mobility Networks. - Kuo-Yang Wu; Kuo-Yu Tsai; Tzong-Chen Wu; Kouichi Sakurai (J. Inf. Sci. Eng., 2015)

A note on the security of KHL scheme. - Jian Weng 001; Yunlei Zhao; Robert H. Deng; Shengli Liu 001; Yanjiang Yang; Kouichi Sakurai (Theor. Comput. Sci., 2015)

A Traceable Signcryption Scheme for Secure Sharing of Data in Cloud Storage. - Rohit Ahuja; Sraban Kumar Mohanty; Kouichi Sakurai (CIT, 2016)

Analysis of "Receipt-Freeness" and "Coercion-Resistance" in Biometric Authentication Protocols. - Yoshifumi Ueshige; Kouichi Sakurai (AINA, 2016)

An Identity Preserving Access Control Scheme with Flexible System Privilege Revocation in Cloud Computing. - Rohit Ahuja; Sraban Kumar Mohanty; Kouichi Sakurai (AsiaJCIS, 2016)

A Machine Learning Based Approach for Detecting DRDoS Attacks and Its Performance Evaluation. - Yuxuan Gao; Yaokai Feng; Junpei Kawamoto; Kouichi Sakurai (AsiaJCIS, 2016)

A Comprehensive Security Analysis Checksheet for OpenFlow Networks. - Yoshiaki Hori; Seiichiro Mizoguchi; Ryosuke Miyazaki; Akira Yamada 001; Yaokai Feng; Ayumu Kubota; Kouichi Sakurai (BWCCA, 2016)

SQL Injection Attack Detection Method Using Expectation Criterion. - Linghuan Xiao; Shinichi Matsumoto; Tomohisa Ishikawa; Kouichi Sakurai (CANDAR, 2016)

Retricoin: Bitcoin based on compact proofs of retrievability. - Binanda Sengupta; Samiran Bag; Sushmita Ruj; Kouichi Sakurai (ICDCN, 2016)

A Study of Security Management with Cyber Insurance. - Tomohisa Ishikawa; Kouichi Sakurai (IMCOM, 2016)

Cross-group Secret Sharing for Secure Cloud Storage Service. - Chenyutao Ke; Hiroaki Anada; Junpei Kawamoto; Kirill Morozov; Kouichi Sakurai (IMCOM, 2016)

Cyberbullying detection using parent-child relationship between comments. - Ziyi Li; Junpei Kawamoto; Yaokai Feng; Kouichi Sakurai (iiWAS, 2016)

A Behavior-Based Method for Detecting DNS Amplification Attacks. - Longzhu Cai; Yaokai Feng; Junpei Kawamoto; Kouichi Sakurai (IMIS, 2016)

A Proposal for Cyber-Attack Trace-Back Using Packet Marking and Logging. - Pengfei Li; Yaokai Feng; Junpei Kawamoto; Kouichi Sakurai (IMIS, 2016)

Yet Another Note on Block Withholding Attack on Bitcoin Mining Pools. - Samiran Bag; Kouichi Sakurai (ISC, 2016)

On the Robustness of Visual Cryptographic Schemes. - Sabyasachi Dutta; Partha Sarathi Roy 001; Avishek Adhikari; Kouichi Sakurai (IWDW, 2016)

Expressive Rating Scheme by Signatures with Predications on Ratees. - Hiroaki Anada; Sushmita Ruj; Kouichi Sakurai (NSS, 2016)

CCA-Secure Keyed-Fully Homomorphic Encryption. - Junzuo Lai; Robert H. Deng; Changshe Ma; Kouichi Sakurai; Jian Weng 001 (Public Key Cryptography (1), 2016)

A Behavior-Based Online Engine for Detecting Distributed Cyber-Attacks. - Yaokai Feng; Yoshiaki Hori; Kouichi Sakurai (WISA, 2016)

Proof of Knowledge on Monotone Predicates and its Application to Attribute-Based Identifications and Signatures. - Hiroaki Anada; Seiko Arita; Kouichi Sakurai (IACR Cryptol. ePrint Arch., 2016)

A Hybrid Encryption Scheme with Key-cloning Protection: User / Terminal Double Authentication via Attributes and Fingerprints. - Chunlu Chen; Hiroaki Anada; Junpei Kawamoto; Kouichi Sakurai (J. Internet Serv. Inf. Secur., 2016)

Authentication in mobile cloud computing: A survey. - Mojtaba Alizadeh; Saeid Abolfazli; Mazdak Zamani; Sabariah Baharun; Kouichi Sakurai (J. Netw. Comput. Appl., 2016)

Character-based symmetric searchable encryption and its implementation and experiment on mobile devices. - Takanori Suga; Takashi Nishide; Kouichi Sakurai (Secur. Commun. Networks, 2016)

Packet in Message Based DDoS Attack Detection in SDN Network Using OpenFlow. - Xiang You; Yaokai Feng; Kouichi Sakurai (CANDAR, 2017)

Effectively Protect Your Privacy: Enabling Flexible Privacy Control on Web Tracking. - Shiqian Yu; Danilo Vasconcellos Vargas; Kouichi Sakurai (CANDAR, 2017)

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 (ICIN, 2017)

Host independent and distributed detection system of the network attack by using OpenFlow. - Ryosuke Miyazaki; Junpei Kawamoto; Shinichi Matsumoto; Kouichi Sakurai (ICOIN, 2017)

A proposal of event study methodology with Twitter sentimental analysis for risk management. - Tomohisa Ishikawa; Kouichi Sakurai (IMCOM, 2017)

Parameter manipulation attack prevention and detection by using web application deception proxy. - Tomohisa Ishikawa; Kouichi Sakurai (IMCOM, 2017)

C&C session detection using random forest. - Liang Lu; Yaokai Feng; Kouichi Sakurai (IMCOM, 2017)

On unconditionally binding code-based commitment schemes. - Kirill Morozov; Partha Sarathi Roy 001; Kouichi Sakurai (IMCOM, 2017)

Improving the accuracy of signature authentication using the eight principles of Yong. - Taku Nishigori; Junpei Kawamoto; Kouichi Sakurai (IMCOM, 2017)

A new security middleware architecture based on fog computing and cloud to support IoT constrained devices. - Wissam Razouk; Daniele Sgandurra; Kouichi Sakurai (IML, 2017)

How to sign multiple versions of digital documents. - Amril Syalim; Kouichi Sakurai (IWBIS, 2017)

Evasion Attacks Against Statistical Code Obfuscation Detectors. - Jiawei Su; Danilo Vasconcellos Vargas; Kouichi Sakurai (IWSEC, 2017)

A Detection System for Distributed DoS Attacks Based on Automatic Extraction of Normal Mode and Its Performance Evaluation. - Yaokai Feng; Yoshiaki Hori; Kouichi Sakurai (SpaCCS, 2017)

Secure and Light Weight Fine-grained Access Mechanism for Outsourced Data. - Mosarrat Jahan; Partha Sarathi Roy 001; Kouichi Sakurai; Aruna Seneviratne; Sanjay Jha 001 (TrustCom/BigDataSE/ICESS, 2017)

A scalable attribute-set-based access control with both sharing and full-fledged delegation of access privileges in cloud computing. - Rohit Ahuja; Sraban Kumar Mohanty; Kouichi Sakurai (Comput. Electr. Eng., 2017)

Secure combinatorial key predistribution scheme for sensor networks by regulating frequencies: magneto optic sensors. - Pinaki Sarkar; Morshed Uddin Chowdhury; Kouichi Sakurai (Concurr. Comput. Pract. Exp., 2017)

Bitcoin Block Withholding Attack: Analysis and Mitigation. - Samiran Bag; Sushmita Ruj; Kouichi Sakurai (IEEE Trans. Inf. Forensics Secur., 2017)

Cross-group secret sharing scheme for secure usage of cloud storage over different providers and regions. - Hiroaki Anada; Junpei Kawamoto; Chenyutao Ke; Kirill Morozov; Kouichi Sakurai (J. Supercomput., 2017)

Active Attack Against Oblivious RAM. - Yuto Nakano; Seira Hidano; Shinsaku Kiyomoto; Kouichi Sakurai (AINA, 2018)

Analysis of Variance of Graph-Clique Mining for Scalable Proof of Work. - Hiroaki Anada; Tomohiro Matsushima; Chunhua Su; Weizhi Meng 001; Junpei Kawamoto; Samiran Bag; Kouichi Sakurai (Inscrypt, 2018)

Lightweight Classification of IoT Malware Based on Image Recognition. - Jiawei Su; Danilo Vasconcellos Vargas; Sanjiva Prasad; Daniele Sgandurra; Yaokai Feng; Kouichi Sakurai (COMPSAC (2), 2018)

Feature Selection for Machine Learning-Based Early Detection of Distributed Cyber Attacks. - Yaokai Feng; Hitoshi Akiyama; Liang Lu; Kouichi Sakurai (DASC/PiCom/DataCom/CyberSciTech, 2018)

Detecting Distributed Cyber Attacks in SDN Based on Automatic Thresholding. - Ryousuke Komiya; Yaokai Feng; Kouichi Sakurai (CANDAR Workshops, 2018)

Suppressing Chain Size of Blockchain-Based Information Sharing for Swarm Robotic Systems. - Yuki Nishida 004; Kosuke Kaneko; Subodh Sharma 001; Kouichi Sakurai (CANDAR Workshops, 2018)

A New Design for Evaluating Moving Target Defense System. - Wai Kyi Kyi Oo; Hiroshi Koide; Danilo Vasconcellos Vargas; Kouichi Sakurai (CANDAR Workshops, 2018)

Empirical Evaluation on Robustness of Deep Convolutional Neural Networks Activation Functions Against Adversarial Perturbation. - Jiawei Su; Danilo Vasconcellos Vargas; Kouichi Sakurai (CANDAR Workshops, 2018)

Tracing MIRAI Malware in Networked System. - Yao Xu; Hiroshi Koide; Danilo Vasconcellos Vargas; Kouichi Sakurai (CANDAR Workshops, 2018)

Neural Cryptography Based on the Topology Evolving Neural Networks. - Yuetong Zhu; Danilo Vasconcellos Vargas; Kouichi Sakurai (CANDAR Workshops, 2018)

Secret Sharing Schemes on Compartmental Access Structure in Presence of Cheaters. - Jyotirmoy Pramanik; Partha Sarathi Roy 001; Sabyasachi Dutta; Avishek Adhikari; Kouichi Sakurai (ICISS, 2018)

Hierarchical Secret Sharing Schemes Secure Against Rushing Adversary: Cheater Identification and Robustness. - Partha Sarathi Roy 001; Sabyasachi Dutta; Kirill Morozov; Avishek Adhikari; Kazuhide Fukushima; Shinsaku Kiyomoto; Kouichi Sakurai (ISPEC, 2018)

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 (SmartWorld/SCALCOM/UIC/ATC/CBDCom/IOP/SCI, 2018)

Light Weight Write Mechanism for Cloud Data. - Mosarrat Jahan; Mohsen Rezvani; Qianrui Zhao; Partha Sarathi Roy 001; Kouichi Sakurai; Aruna Seneviratne; Sanjay K. Jha (IEEE Trans. Parallel Distributed Syst., 2018)

Deniable Secret Handshake Protocol - Revisited. - Somnath Panja; Sabyasachi Dutta; Kouichi Sakurai (AINA, 2019)

Simulation of Secure Volunteer Computing by Using Blockchain. - Johjima Shota; Kosuke Kaneko; Subodh Sharma 001; Kouichi Sakurai (AINA, 2019)

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 (AINA, 2019)

Universal Rules for Fooling Deep Neural Networks based Text Classification. - Di Li; Danilo Vasconcellos Vargas; Kouichi Sakurai (CEC, 2019)

A Sequential Scheme for Detecting Cyber Attacks in IoT Environment. - Yan Naung Soe; Yaokai Feng; Paulus Insap Santosa; Rudy Hartanto; Kouichi Sakurai (DASC/PiCom/DataCom/CyberSciTech, 2019)

Security and Trust Issues on Digital Supply Chain. - Haibo Zhang 008; Toru Nakamura; Kouichi Sakurai (DASC/PiCom/DataCom/CyberSciTech, 2019)

Reliable Decentralized Oracle with Mechanisms for Verification and Disputation. - Limao Ma; Kosuke Kaneko; Subodh Sharma 001; Kouichi Sakurai (CANDAR Workshops, 2019)

Frame Difference Generative Adversarial Networks: Clearer Contour Video Generating. - Rui Qiu; Danilo Vasconcellos Vargas; Kouichi Sakurai (CANDAR Workshops, 2019)

An ANN Based Sequential Detection Method for Balancing Performance Indicators of IDS. - Hao Zhao 001; Yaokai Feng; Hiroshi Koide; Kouichi Sakurai (CANDAR, 2019)

Visual Secret Sharing Scheme with Distributed Levels of Importance of Shadows. - Sabyasachi Dutta; Tamal Bhore; Md Kutubuddin Sardar; Avishek Adhikari; Kouichi Sakurai (ICMC, 2019)

Proposal and Evaluation of a Security Incident Response Training Method using Programming. - Katsumi Nagai; Hiroshi Koide; Kouichi Sakurai (SIGITE, 2019)

Efficient Shortest Path Routing Algorithms for Distributed XML Processing. - Longjian Ye; Hiroshi Koide; Dirceu Cavendish; Kouichi Sakurai (WEBIST, 2019)

Secret Sharing on Evolving Multi-level Access Structure. - Sabyasachi Dutta; Partha Sarathi Roy 001; Kazuhide Fukushima; Shinsaku Kiyomoto; Kouichi Sakurai (WISA, 2019)

Light weight and fine-grained access mechanism for secure access to outsourced data. - Mosarrat Jahan; Suranga Seneviratne; Partha Sarathi Roy 001; Kouichi Sakurai; Aruna Seneviratne; Sanjay K. Jha (Concurr. Comput. Pract. Exp., 2019)

Theory and application of computationally independent one-way functions: Interactive proof of ability - Revisited. - Sabyasachi Dutta; Kouichi Sakurai (IACR Cryptol. ePrint Arch., 2019)

Analyzing the Effect of Moving Target Defense for a Web System. - Wai Kyi Kyi Oo; Hiroshi Koide; Kouichi Sakurai (Int. J. Netw. Comput., 2019)

Attacking convolutional neural network using differential evolution. - Jiawei Su; Danilo Vasconcellos Vargas; Kouichi Sakurai (IPSJ Trans. Comput. Vis. Appl., 2019)

RSA public keys with inside structure: Proofs of key generation and identities for web-of-trust. - Hiroaki Anada; Takanori Yasuda; Junpei Kawamoto; Jian Weng 001; Kouichi Sakurai (J. Inf. Secur. Appl., 2019)

One Pixel Attack for Fooling Deep Neural Networks. - Jiawei Su; Danilo Vasconcellos Vargas; Kouichi Sakurai (IEEE Trans. Evol. Comput., 2019)

Simulation System of Autonomous Vehicles for Overtaking Service Using Smart Contract. - Kosuke Kaneko; Ke Yan; Kouichi Sakurai (CISIS, 2020)

Classification of Malicious Domains by Their LIFETIME. - Daiji Hara; Kouichi Sakurai; Yasuo Musashi (EIDWT, 2020)

3-Party Adversarial Cryptography. - Ishak Meraouche; Sabyasachi Dutta; Kouichi Sakurai (EIDWT, 2020)

Blockchain for IoT-Based Digital Supply Chain: A Survey. - Haibo Zhang 008; Kouichi Sakurai (EIDWT, 2020)

Face completion with pyramid semantic attention and latent codes. - Shilei Cao 004; Kouichi Sakurai (CANDAR, 2020)

Color Visual Cryptography Schemes Using Linear Algebraic Techniques over Rings. - Sabyasachi Dutta; Md Kutubuddin Sardar; Avishek Adhikari; Sushmita Ruj; Kouichi Sakurai (ICISS, 2020)

AC0 Constructions of Secret Sharing Schemes - Accommodating New Parties. - Shion Samadder Chaudhury; Sabyasachi Dutta; Kouichi Sakurai (NSS, 2020)

3-Party Adversarial Steganography. - Ishak Meraouche; Sabyasachi Dutta; Kouichi Sakurai (WISA, 2020)

Hypercube and Cascading-based Algorithms for Secret Sharing Schemes. - Shion Samadder Chaudhury; Sabyasachi Dutta; Kouichi Sakurai (IACR Cryptol. ePrint Arch., 2020)

A Sequential Detection Method for Intrusion Detection System Based on Artificial Neural Networks. - Zhao Hao 001; Yaokai Feng; Hiroshi Koide; Kouichi Sakurai (Int. J. Netw. Comput., 2020)

Machine Learning-Based IoT-Botnet Attack Detection with Sequential Architecture. - Yan Naung Soe; Yaokai Feng; Paulus Insap Santosa; Rudy Hartanto; Kouichi Sakurai (Sensors, 2020)

Securely Computing Clustering Coefficient for Outsourced Dynamic Encrypted Graph Data. - Laltu Sardar; Gaurav Bansal; Sushmita Ruj; Kouichi Sakurai (COMSNETS, 2021)

Sequential Detection of Cyber-attacks Using a Classification Filter. - Xiaojuan Cai; Yaokai Feng; Kouichi Sakurai (DASC/PiCom/CBDCom/CyberSciTech, 2021)

Perpetual Secret Sharing from Dynamic Data Structures. - Shion Samadder Chaudhury; Sabyasachi Dutta; Kouichi Sakurai (DSC, 2021)

Secure Outsourced Private Set Intersection with Linear Complexity. - Sumit Kumar Debnath; Kouichi Sakurai; Kunal Dey; Nibedita Kundu (DSC, 2021)

A Distributed Ledger Management Mechanism for Storing and Selling Private Data. - Sabyasachi Dutta; Arinjita Paul; Rocki H. Ozaki; C. Pandu Rangan; Kouichi Sakurai (DSC, 2021)

An Intrusion Detection System for Imbalanced Dataset Based on Deep Learning. - Mariama Mbow; Hiroshi Koide; Kouichi Sakurai (CANDAR, 2021)

Design and Evaluation of Escrow Scheme on Autonomous Vehicles for Overtaking Service with Ethereum. - Siqi Zeng 004; Kosuke Kaneko; Ke Yan; Haowen Tan; Kouichi Sakurai (CANDAR (Workshops), 2021)

Improving the Two-stage Detection of Cyberattacks in SDN Environment Using Dynamic Thresholding. - Tao Wang; Yaokai Feng; Kouichi Sakurai (IMCOM, 2021)

A Survey of Software Clone Detection From Security Perspective. - Haibo Zhang 008; Kouichi Sakurai (IEEE Access, 2021)

Neural Networks-Based Cryptography: A Survey. - Ishak Meraouche; Sabyasachi Dutta; Haowen Tan; Kouichi Sakurai (IEEE Access, 2021)

Conditional Generative Adversarial Network-Based Image Denoising for Defending Against Adversarial Attack. - Haibo Zhang 008; Kouichi Sakurai (IEEE Access, 2021)

Graph-Based Construction for Non-Malleable Codes. - Shohei Satake; Yujie Gu; Kouichi Sakurai (IACR Cryptol. ePrint Arch., 2021)

Evolution of Bulletin Board & its application to E-Voting - A Survey. - Misni Harjo Suwito; Yoshifumi Ueshige; Kouichi Sakurai (IACR Cryptol. ePrint Arch., 2021)

Improved Proxy Re-encryption Scheme for Symmetric Key Cryptography. - Amril Syalim; Takashi Nishide; Kouichi Sakurai (IACR Cryptol. ePrint Arch., 2021)

Almost fully anonymous attribute-based group signatures with verifier-local revocation and member registration from lattice assumptions. - Maharage Nisansala Sevwandi Perera; Toru Nakamura; Masayuki Hashimoto; Hiroyuki Yokoyama; Kouichi Sakurai (Theor. Comput. Sci., 2021)

A Secure Ticket-Based Authentication Mechanism for Proxy Mobile IPv6 Networks in Volunteer Computing. - Mojtaba Alizadeh; Mohammad Hesam Tadayon; Kouichi Sakurai; Hiroaki Anada; Alireza Jolfaei (ACM Trans. Internet Techn., 2021)

Decentralized and Collaborative Tracing for Group Signatures. - Maharage Nisansala Sevwandi Perera; Toru Nakamura; Masayuki Hashimoto; Hiroyuki Yokoyama; Chen-Mou Cheng; Kouichi Sakurai (AsiaCCS, 2022)

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 (AsiaCCS, 2022)

Federated Learning with Clustering-Based Participant Selection for IoT Applications. - Kevin I-Kai Wang; Xiaozhou Ye; Kouichi Sakurai (IEEE Big Data, 2022)

Computational experimental evaluation of the time variance of cryptocurrency mining using cryptographic hash functions. - Kei Ikebe; Kouichi Sakurai (BIOTC, 2022)

Analysis of Variance of Searching Time for Serial Concatenation of Graph-Clique based Cryptocurrency Mining. - Kei Ikebe; Kouichi Sakurai (CANDARW, 2022)

Towards the Design of Locally Differential Private Hardware System for Edge Computing. - Kaito Taguchi; Kouichi Sakurai; Masahiro Iida (CANDAR, 2022)

On the Security Properties of Combinatorial All-or-nothing Transforms. - Yujie Gu; Sonata Akao; Navid Nasr Esfahani; Ying Miao 001; Kouichi Sakurai (ISIT, 2022)

Attribute Based Tracing for Securing Group Signatures Against Centralized Authorities. - Maharage Nisansala Sevwandi Perera; Toru Nakamura; Takashi Matsunaka; Hiroyuki Yokoyama; Kouichi Sakurai (ISPEC, 2022)

Explicit Non-malleable Codes from Bipartite Graphs. - Shohei Satake; Yujie Gu; Kouichi Sakurai (WAIFI, 2022)

Towards Evaluating the Security of Human Computable Passwords Using Neural Networks. - Issei Murata; Pengju He; Yujie Gu; Kouichi Sakurai (WISA, 2022)

Learning Multi-Party Adversarial Encryption and Its Application to Secret Sharing. - Ishak Meraouche; Sabyasachi Dutta; Sraban Kumar Mohanty; Isaac Agudo; Kouichi Sakurai (IEEE Access, 2022)

A Survey of Polynomial Multiplication With RSA-ECC Coprocessors and Implementations of NIST PQC Round3 KEM Algorithms in Exynos2100. - Jong-Yeon Park; Yong-Hyuk Moon; Won-Il Lee; Sung-Hyun Kim; Kouichi Sakurai (IEEE Access, 2022)

A Survey on Group Signatures and Ring Signatures: Traceability vs. Anonymity. - Maharage Nisansala Sevwandi Perera; Toru Nakamura; Masayuki Hashimoto; Hiroyuki Yokoyama; Chen-Mou Cheng; Kouichi Sakurai (Cryptogr., 2022)

Certificate Management Scheme for VANETs Using Blockchain Structure. - Maharage Nisansala Sevwandi Perera; Toru Nakamura; Masayuki Hashimoto; Hiroyuki Yokoyama; Chen-Mou Cheng; Kouichi Sakurai (Cryptogr., 2022)

A Privacy-Preserving Data Feed Scheme for Smart Contracts. - Hao Wang 007; Zhe Liu 001; Chunpeng Ge 001; Kouichi Sakurai; Chunhua Su (IEICE Trans. Inf. Syst., 2022)

Handling class Imbalance problem in Intrusion Detection System based on deep learning. - Mariama Mbow; Hiroshi Koide; Kouichi Sakurai (Int. J. Netw. Comput., 2022)

Quantum secure privacy preserving technique to obtain the intersection of two datasets for contact tracing. - Sumit Kumar Debnath; Vikas Srivastava; Tapaswini Mohanty; Nibedita Kundu; Kouichi Sakurai (J. Inf. Secur. Appl., 2022)

On the Information-Theoretic Security of Combinatorial All-or-Nothing Transforms. - Yujie Gu; Sonata Akao; Navid Nasr Esfahani; Ying Miao 001; Kouichi Sakurai (IEEE Trans. Inf. Theory, 2022)

POSTER: Advancing Federated Edge Computing with Continual Learning for Secure and Efficient Performance. - Chunlu Chen; Kevin I-Kai Wang; Peng Li 017; Kouichi Sakurai (ACNS Workshops, 2023)

Eliminating Adversarial Perturbations Using Image-to-Image Translation Method. - Haibo Zhang 008; Zhihua Yao; Kouichi Sakurai (ACNS Workshops, 2023)

POSTER: A Fine-Grained Metric for Evaluating the Performance of Adversarial Attacks and Defenses. - Haibo Zhang 008; Zhihua Yao; Kouichi Sakurai (ACNS Workshops, 2023)

Application and Limitations of Digital Signature Schemes for Implementing Non-Fungible Token (NFT). - Kei Ikebe; Yudai Hata; Toru Nakamura; Takamasa Isohara; Kouichi Sakurai (ASSE, 2023)

Flexibility and Privacy: A Multi-Head Federated Continual Learning Framework for Dynamic Edge Environments. - Chunlu Chen; Kevin I-Kai Wang; Peng Li 017; Kouichi Sakurai (candar, 2023)

A two-stage detection system of DDoS attacks in SDN using a trigger with multiple features and self-adaptive thresholds. - Muyuan Niu; Yaokai Feng; Kouichi Sakurai (IMCOM, 2023)

Research Directions in Formal Verification of Network Configurations Toward Verification of Mobile Networks. - Hideki Sakurada; Kouichi Sakurai (MobiSec, 2023)

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 (NSS, 2023)

A Design of Network Attack Detection Using Causal and Non-causal Temporal Convolutional Network. - Pengju He; Haibo Zhang 008; Yaokai Feng; Kouichi Sakurai (SciSec, 2023)

Learning asymmetric encryption using adversarial neural networks. - Ishak Meraouche; Sabyasachi Dutta; Haowen Tan; Kouichi Sakurai (Eng. Appl. Artif. Intell., 2023)

Fully Parallel, One-Cycle Random Shuffling for Efficient Countermeasure in Post-Quantum Cryptography. - Jong-Yeon Park; Dongsoo Lee; Seonggyeom Kim; Wonil Lee; Bo-Gyeong Kang; Kouichi Sakurai (IACR Cryptol. ePrint Arch., 2023)

Current Perspectives on Securing Critical Infrastructures' Supply Chains. - Rodrigo Roman; Cristina Alcaraz; Javier López 001; Kouichi Sakurai (IEEE Secur. Priv., 2023)

A Survey on Feature Selection Techniques Based on Filtering Methods for Cyber Attack Detection. - Yang Lyu; Yaokai Feng; Kouichi Sakurai (Inf., 2023)

Phoenix: A Live Upgradable Blockchain Client. - Chenmin Wang; Peng Li 017; Xuepeng Fan; Zaiyang Tang; Yulong Zeng; Kouichi Sakurai (IEEE Trans. Sustain. Comput., 2023)

A Review on Machine Unlearning. - Haibo Zhang 008; Toru Nakamura; Takamasa Isohara; Kouichi Sakurai (SN Comput. Sci., 2023)

Electroencephalography signals-based sparse networks integration using a fuzzy ensemble technique for depression detection. - Surbhi Soni; Ayan Seal; Sraban Kumar Mohanty; Kouichi Sakurai (Biomed. Signal Process. Control., 2023)

An Efficient Vehicle-Assisted Aggregate Authentication Scheme for Infrastructure-Less Vehicular Networks. - Haowen Tan; Wenying Zheng; Pandi Vijayakumar; Kouichi Sakurai; Neeraj Kumar 001 (IEEE Trans. Intell. Transp. Syst., 2023)

Experimental Exploration of the Power of Conditional GAN in Image Reconstruction-Based Adversarial Attack Defense Strategies. - Haibo Zhang 008; Kouichi Sakurai (AINA (3), 2024)

Enhancing Security and Efficiency: A Lightweight Federated Learning Approach. - Chunlu Chen; Kevin I-Kai Wang; Peng Li 017; Kouichi Sakurai (AINA (4), 2024)

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 (AINA (4), 2024)

SoK: Directions and Issues in Formal Verification of Payment Protocols. - Hideki Sakurada; Kouichi Sakurai (AINA (4), 2024)

Extension of Resource Authorization Method with SSI in Edge Computing. - Ryu Watanabe; Ayumu Kubota; Jun Kurihara; Kouichi Sakurai (AINA (6), 2024)

The Impact of Prompts on Zero-Shot Detection of AI-Generated Text. - Kouichi Sakurai; Kaito Taguchi; Yujie Gu (AISafety@IJCAI, 2024)

Evading IoT Intrusion Detection Systems with GAN. - Mariama Mbow; Rodrigo Roman; Takeshi Takahashi 001; Kouichi Sakurai (AsiaJCIS, 2024)

Evaluating Differential Privacy in Federated Continual Learning: A Catastrophic Forgetting-Performance Tradeoff Analysis. - Chunlu Chen; Zhuotao Lian; Chunhua Su; Kouichi Sakurai (CANDAR, 2024)

Poisoning Attacks on Federated-learning based NIDS. - Mariama Mbow; Takeshi Takahashi 001; Kouichi Sakurai (CANDARW, 2024)

Privacy-Preserving Parameter Aggregation Scheme Based on Two Leaders for Federated Learning. - Weiyu Wang; Zhuotao Lian; Tianhui Li; Kouichi Sakurai; Chunhua Su (CyberSciTech, 2024)

One Pixel Adversarial Attack for Fooling Deep Learning-Based Facial Expression Recognition Systems. - Pramod Kumar; Ayan Seal; Sraban Kumar Mohanty; Haibo Zhang 008; Kouichi Sakurai (DSC, 2024)

An Approach to Multi-Class Intrusion Detection Based on Feature Subspaces and Weighted Fusion. - Rui Liu; Yaokai Feng; Kouichi Sakurai (DSC, 2024)

The Framework of General Channel Key Generation Based on Physical Layer. - Hong Zhao; Enting Guo; Xiuheng Liao; Kouichi Sakurai; Chunhua Su (DSPP (2), 2024)

A Design of Internet of Vehicles System Incorporating Lightweight Roadside Units and Blockchain Strategy. - Yiluo Liu; Yaokai Feng; Kouichi Sakurai (IMCOM, 2024)

AggreMark: Efficient Watermarking in Federated Learning via Weighted Averaging. - Zhuotao Lian; Weiyu Wang; Chunhua Su; Kouichi Sakurai (iThings/GreenCom/CPSCom/SmartData/Cybermatics, 2024)

Integrating CP-ABE and Device Fingerprint Into Federated Learning. - Chunlu Chen; Rodrigo Roman; Kevin I-Kai Wang; Kouichi Sakurai (SciSec, 2024)

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 (WISA, 2024)

Versatile Defense Against Adversarial Attacks on Image Recognition. - Haibo Zhang 008; Zhihua Yao; Kouichi Sakurai (CoRR, 2024)

Machine Learning Techniques for Sensor-based Human Activity Recognition with Data Heterogeneity - A Review. - Xiaozhou Ye; Kouichi Sakurai; Nirmal-Kumar C. Nair; Kevin I-Kai Wang (CoRR, 2024)

An Experimentally Validated Feasible Quantum Protocol for Identity-Based Signature with Application to Secure Email Communication. - Tapaswini Mohanty; Vikas Srivastava; Sumit Kumar Debnath; Debasish Roy; Kouichi Sakurai; Sourav Mukhopadhyay (CoRR, 2024)

FreeMark: A Non-Invasive White-Box Watermarking for Deep Neural Networks. - Yuzhang Chen; Jiangnan Zhu; Yujie Gu; Minoru Kuribayashi; Kouichi Sakurai (CoRR, 2024)

PAD-FT: A Lightweight Defense for Backdoor Attacks via Data Purification and Fine-Tuning. - Yukai Xu; Yujie Gu; Kouichi Sakurai (CoRR, 2024)

A Compact and Parallel Swap-Based Shuffler based on butterfly Network and its complexity against Side Channel Analysis. - Jong-Yeon Park; Wonil Lee; Bo Gyeong Kang; Il-Jong Song; Jaekeun Oh; Kouichi Sakurai (IACR Cryptol. ePrint Arch., 2024)

Access Structure Hiding Verifiable Tensor Designs. - Anandarup Roy; Bimal Kumar Roy; Kouichi Sakurai; Suprita Talnikar (IACR Cryptol. ePrint Arch., 2024)

A Multi-Head Federated Continual Learning Approach for Improved Flexibility and Robustness in Edge Environments. - Chunlu Chen; Kevin I-Kai Wang; Peng Li 017; Kouichi Sakurai (Int. J. Netw. Comput., 2024)

A statistical verification method of random permutations for hiding countermeasure against side-channel attacks. - Jong-Yeon Park; Jang-Won Ju; Wonil Lee; Bo-Gyeong Kang; Yasuyuki Kachi; Kouichi Sakurai (J. Inf. Secur. Appl., 2024)

Secured tracing for group signatures from attribute-based encryption. - Maharage Nisansala Sevwandi Perera; Takashi Matsunaka; Hiroyuki Yokoyama; Kouichi Sakurai (Concurr. Comput. Pract. Exp., 2024)

An Efficient Detection Mechanism of Network Intrusions in IoT Environments Using Autoencoder and Data Partitioning. - Yiran Xiao; Yaokai Feng; Kouichi Sakurai (Comput., 2024)

An Efficient Sequential Aggregate Signature Scheme with Lazy Verification. - Arinjita Paul; Sabyasachi Dutta; Kouichi Sakurai; C. Pandu Rangan (IACR Cryptol. ePrint Arch., 2025)

A Combinatorial Approach to IoT Data Security. - Anandarup Roy; Bimal Kumar Roy; Kouichi Sakurai; Suprita Talnikar (IACR Cryptol. ePrint Arch., 2025)

Privacy-Enhanced Federated WiFi Sensing for Health Monitoring in Internet of Things. - Zhuotao Lian; Qingkui Zeng; Zhusen Liu; Haoda Wang; Chuan Ma; Weizhi Meng 001; Chunhua Su; Kouichi Sakurai (IEEE Internet Things J., 2025)

Trustworthy federated learning: privacy, security, and beyond. - Chunlu Chen; Ji Liu 003; Haowen Tan; Xingjian Li 002; Kevin I-Kai Wang; Peng Li 017; Kouichi Sakurai; Dejing Dou (Knowl. Inf. Syst., 2025)

A Compact and Parallel Swap-Based Shuffler Based on Butterfly Network and Its Complexity Against Side Channel Analysis. - Jong-Yeon Park; Seonggyeom Kim; Wonil Lee; Bo Gyeong Kang; Il-Jong Song; Jaekeun Oh; Kouichi Sakurai (ACM Trans. Embed. Comput. Syst., 2025)

Leveraging Generalizability of Image-to-Image Translation for Enhanced Adversarial Defense. - Haibo Zhang 008; Zhihua Yao; Kouichi Sakurai; Takeshi Saitoh (CoRR, 2025)