Lifetimes of Keys in Cryptographic Key Management Systems. - Eiji Okamoto; K. Nakamura (CRYPTO, 1985)

Key Distribution Systems Based on Identification Information. - Eiji Okamoto (CRYPTO, 1987)

Substantial Number of Cryptographic Keys and Its Application to Encryption Designs. - Eiji Okamoto (EUROCRYPT, 1988)

Identity-based information security management system for personal computer networks. - Eiji Okamoto; Kazue Tanaka (IEEE J. Sel. Areas Commun., 1989)

Key distribution system based on identification information. - Eiji Okamoto; Kazue Tanaka (IEEE J. Sel. Areas Commun., 1989)

Proposal for Cryptographic Key Distribution System Based on Identification Information. - Eiji Okamoto; Kazue Tanaka (Syst. Comput. Jpn., 1990)

Development of an implantable motor-driven assist pump system. - Yoyhinodi Mitamura; Eiji Okamoto; Atsushi Hirano; Tomohisa Mikami (IEEE Trans. Biomed. Eng., 1990)

Key distribution system for mail systems using ID-related information directory. - Kazue Tanaka; Eiji Okamoto (Comput. Secur., 1991)

Ciphertext Only Attack for One-way Function of the MAP Using One Ciphertext. - Yukiyasu Tsunoo; Eiji Okamoto; Tomohiko Uyematsu (CRYPTO, 1994)

Permutation Cipher Scheme Using Polynomials over a Field. - Eiji Okamoto; Tomohiko Uyematsu; Masahiro Mambo (IEICE Trans. Inf. Syst., 1995)

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

Proxy Signatures for Delegating Signing Operation. - Masahiro Mambo; Keisuke Usuda; Eiji Okamoto (CCS, 1996)

Rayleigh fading compensation for QAM by using FFT. - Eiji Okamoto; Huan-Bang Li; Tetsushi Ikegami (PIMRC, 1996)

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

Proposal of user identification scheme using mouse. - Kenichi Hayashi; Eiji Okamoto; Masahiro Mambo (ICICS, 1997)

The Application of ID-Based Key Distribution Systems to an Elliptic Curve. - Hisao Sakazaki; Eiji Okamoto; Masahiro Mambo (ISW, 1997)

A tentative approach to constructing tamper-resistant software. - Masahiro Mambo; Takanori Murayama; Eiji Okamoto (NSPW, 1997)

A construction of codes with exponential error bounds on arbitrary discrete memoryless channels. - Tomohiko Uyematsu; Eiji Okamoto (IEEE Trans. Inf. Theory, 1997)

A User Identification System Using Signature Written with Mouse. - Agus Fanar Syukri; Eiji Okamoto; Masahiro Mambo (ACISP, 1998)

Secure Information Gathering Agent for Internet Trading. - Xiao Feng Wang; Xun Yi; Kwok-Yan Lam; Eiji Okamoto (DAI, 1998)

A Security Auction-Like Negotiation Protocol for Agent-Based Internet Trading. - Xun Yi; Xiao Feng Wang; Kwok-Yan Lam; Eiji Okamoto; D. Frank Hsu (SRDS, 1998)

An optimized protocol for mobile network authentication and security. - Xun Yi; Eiji Okamoto; Kwok-Yan Lam (ACM SIGMOBILE Mob. Comput. Commun. Rev., 1998)

Secure Agent-Mediated Auctionlike Negotiation Protocol for Internet Retail Commerce. - Xiao Feng Wang; Kwok-Yan Lam; Xun Yi; C. Q. Zhang; Eiji Okamoto (CIA, 1999)

An agent-based architecture for securing mobile IP. - Xun Yi; Shigeki Kitazawa; Hisao Sakazaki; Eiji Okamoto; D. Frank Hsu (Mobile Networks and Computing, 1999)

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

Verfiable Secret Sharing and Time Capsules. - Josef Pieprzyk; Eiji Okamoto (ICISC, 1999)

Improvement of Secure Access Control Agent for Distributed Files. - Shigeki Kitazawa; Xun Yi; Eiji Okamoto; Masahiro Mambo (ICPP Workshops, 1999)

Extended Proxy Signatures for Smart Cards. - Takeshi Okamoto; Mitsuru Tada; Eiji Okamoto (ISW, 1999)

Agent-based copyright protection architecture for online electronic publishing. - Xun Yi; S. Kitazawa; Eiji Okamoto; Xiao Feng Wang; Kwok-Yan Lam; S. Tu (Security and Watermarking of Multimedia Contents, 1999)

A class-coded modulation method using orthogonal wavelets. - Eiji Okamoto; Huan-Bang Li; Masato Tanaka; Hiromitsu Wakana (WCNC, 1999)

On the Security of the RSA-Based Multisignature Scheme for Various Group Structures. - Hiroshi Doi; Masahiro Mambo; Eiji Okamoto (ACISP, 2000)

A Structured ElGamal-Type Multisignature Scheme. - Mike Burmester; Yvo Desmedt; Hiroshi Doi; Masahiro Mambo; Eiji Okamoto; Mitsuru Tada; Yuko Yoshifuji (Public Key Cryptography, 2000)

A Secure Agent-based Framework for Internet Trading in Mobile Computing Environments. - Xun Yi; Chee Kheong Siew; Xiao Feng Wang; Eiji Okamoto (Distributed Parallel Databases, 2000)

One-way multimode transmission using block-coded modulation for mobile communications. - Eiji Okamoto; Hiroyo Ogawa (VTC Fall, 2001)

Editorial. - Dieter Gollmann; Catherine A. Meadows; Eiji Okamoto (Int. J. Inf. Sec., 2001)

Modelling Trust Structures for Public Key Infrastructures. - Marie Henderson; Robert S. Coulter; Ed Dawson; Eiji Okamoto (ACISP, 2002)

Simple and Secure Mobile Access under the Flexible Organization Management. - Masahiro Mambo; Eiji Okamoto; Yasushi Sengoku; Takashi Tanaka (DEXA Workshops, 2002)

A New Design of Privilege Management Infrastructure for Organizations Using Outsourced PKI. - Ed Dawson; Javier López 001; José A. Montenegro; Eiji Okamoto (ISC, 2002)

Cryptosystems based on polynomials over finite fields. - Eiji Okamoto (ITW, 2002)

A Pilot-Symbol-Assisted Fading and Frequency-Offset Compensation Method Using FFT. - Eiji Okamoto; Huan-Bang Li; Tetsushi Ikegami (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

A block-coded modulation method for one-way multimode data transmission. - Eiji Okamoto; Hiroyo Ogawa (IEEE Trans. Commun., 2002)

Multivariate Statistical Analysis of Network Traffic for Intrusion Detection. - Akira Kanaoka; Eiji Okamoto (DEXA Workshops, 2003)

Privacy and Trusted Computing. - Juan Manuel González Nieto; Ed Dawson; Eiji Okamoto (DEXA Workshops, 2003)

A New Algorithm for Searching a Consistent Set of Shares in a Threshold Scheme with Cheaters. - Raylin Tso; Ying Miao 001; Eiji Okamoto (ICISC, 2003)

A Fast Signature Scheme Based on New On-line Computation. - Takeshi Okamoto; Hirofumi Katsuno; Eiji Okamoto (ISC, 2003)

Virtual certificates and synthetic certificates: new paradigms for improving public key validation. - Selwyn Russell; Ed Dawson; Eiji Okamoto; Javier López 001 (Comput. Commun., 2003)

SVD-based design of fractional-delay 2-D digital filters exploiting specification symmetries. - Tian-Bo Deng; Eiji Okamoto (IEEE Trans. Circuits Syst. II Express Briefs, 2003)

Transformation-free proxy cryptosystems and their applications to electronic commerce. - Lihua Wang 001; Zhenfu Cao; Eiji Okamoto; Ying Miao 001; Takeshi Okamoto (InfoSecu, 2004)

Anonymous traceable disclosure scheme using pairing over elliptic curve. - Tadahiko Ito; Takeshi Okamoto; Atsuo Inomata; Eiji Okamoto (InfoSecu, 2004)

The Dynamic-Typed Access Matrix Model and Decidability of the Safety Problem. - Masakazu Soshi; Mamoru Maekawa; Eiji Okamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2004)

A Novel Method to Maintain Privacy in Mobile Agent Applications. - Kun Peng; Ed Dawson; Juanma González Nieto; Eiji Okamoto; Javier López 001 (CANS, 2005)

An id-based non-interactive tripartite key agreement protocol with K-resilience. - Raylin Tso; Takeshi Okamoto; Tsuyoshi Takagi; Eiji Okamoto (Communications and Computer Networks, 2005)

Insider Impersonation-MIM Attack to Tripartite Key Agreement Scheme and an Efficient Protocol for Multiple Keys. - Lihua Wang 001; Takeshi Okamoto; Tsuyoshi Takagi; Eiji Okamoto (CIS (2), 2005)

Practical Strong Designated Verifier Signature Schemes Based on Double Discrete Logarithms. - Raylin Tso; Takeshi Okamoto; Eiji Okamoto (CISC, 2005)

A Proposal of Short Proxy Signature using Pairing. - Takeshi Okamoto; Atsuo Inomata; Eiji Okamoto (ITCC (1), 2005)

Cryptosystems Based on Elliptic Curve Pairing. - Eiji Okamoto; Takeshi Okamoto (MDAI, 2005)

One-Way and Two-Party Authenticated ID-Based Key Agreement Protocols Using Pairing. - Takeshi Okamoto; Raylin Tso; Eiji Okamoto (MDAI, 2005)

ID-Based Series-Parallel Multisignature Schemes for Multi-Messages from Bilinear Maps. - Lihua Wang 001; Eiji Okamoto; Ying Miao 001; Takeshi Okamoto; Hiroshi Doi (WCC, 2005)

Specification and design of advanced authentication and authorization services. - Javier López 001; José A. Montenegro; José Luis Vivas; Eiji Okamoto; Ed Dawson (Comput. Stand. Interfaces, 2005)

On Designatedly Verified (Non-interactive) Watermarking Schemes. - Malapati Raja Sekhar; Takeshi Okamoto; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2005)

A Novel Range Test. - Kun Peng; Colin Boyd; Ed Dawson; Eiji Okamoto (ACISP, 2006)

A trellis-coded chaotic modulation scheme. - Eiji Okamoto; Yasunori Iwanami (ICC, 2006)

An Anonymous On-Demand Position-Based Routing in Mobile Ad Hoc Networks. - Sk. Md. Mizanur Rahman; Masahiro Mambo; Atsuo Inomata; Eiji Okamoto (SAINT, 2006)

An Algorithm for the ηT Pairing Calculation in Characteristic Three and its Hardware Implementation. - Jean-Luc Beuchat; Masaaki Shirase; Tsuyoshi Takagi; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2006)

Efficient Implementation of Tate Pairing on a Mobile Phone using Java. - Yuto Kawahara; Tsuyoshi Takagi; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2006)

Anonymous Secure Communication in Wireless Mobile Ad-hoc Networks. - Sk. Md. Mizanur Rahman; Atsuo Inomata; Takeshi Okamoto; Masahiro Mambo; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2006)

Some Efficient Algorithms for the Final Exponentiation of ηT Pairing. - Masaaki Shirase; Tsuyoshi Takagi; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2006)

An Efficient ID-based Digital Signature with Message Recovery Based on Pairing. - Raylin Tso; Chunxiang Gu; Takeshi Okamoto; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2006)

A Subject-Delegated Decryption Scheme with "Tightly" Limited Authority. - Lihua Wang 001; Takeshi Okamoto; Masahiro Mambo; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2006)

Authorization-Limited Transformation-Free Proxy Cryptosystems and Their Security Analyses. - Lihua Wang 001; Zhenfu Cao; Takeshi Okamoto; Ying Miao 001; Eiji Okamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

Anonymous On-Demand Position-based Routing in Mobile Ad-hoc Networks. - Sk. Md. Mizanur Rahman; Atsuo Inomata; Masahiro Mambo; Eiji Okamoto (Inf. Media Technol., 2006)

How to Verify the Threshold t of Shamir's (t, n)-Threshold Scheme. - Raylin Tso; Ying Miao 001; Takeshi Okamoto; Eiji Okamoto (Inf. Media Technol., 2006)

A Share-Correctable Protocol for the Shamir Threshold Scheme and Its Application to Participant Enrollment. - Raylin Tso; Ying Miao 001; Takeshi Okamoto; Eiji Okamoto (Inf. Media Technol., 2006)

ID-Based Key Agreement for Dynamic Peer Groups in Mobile Computing Environments. - Raylin Tso; Xun Yi; Eiji Okamoto (APSCC, 2007)

Multiplication over Fpm on FPGA: A Survey. - Jean-Luc Beuchat; Takanori Miyoshi; Yoshihito Oyama; Eiji Okamoto (ARC, 2007)

An Algorithm for the nt Pairing Calculation in Characteristic Three and its Hardware Implementation. - Jean-Luc Beuchat; Masaaki Shirase; Tsuyoshi Takagi; Eiji Okamoto (IEEE Symposium on Computer Arithmetic, 2007)

Efficient ID-Based Digital Signatures with Message Recovery. - Raylin Tso; Chunxiang Gu; Takeshi Okamoto; Eiji Okamoto (CANS, 2007)

ECDSA-Verifiable Signcryption Scheme with Signature Verification on the Signcrypted Message. - Raylin Tso; Takeshi Okamoto; Eiji Okamoto (Inscrypt, 2007)

Verifier-Key-Flexible Universal Designated-Verifier Signatures. - Raylin Tso; Juan Manuel González Nieto; Takeshi Okamoto; Colin Boyd; Eiji Okamoto (IMACC, 2007)

Some Efficient Algorithms for the Final Exponentiation of eta T Pairing. - Masaaki Shirase; Tsuyoshi Takagi; Eiji Okamoto (ISPEC, 2007)

An Improved Signcryption Scheme and Its Variation. - Raylin Tso; Takeshi Okamoto; Eiji Okamoto (ITNG, 2007)

A Comparison of Time Domain Equalizers by Block Processing in SISO Single Carrier Transmission. - Yusuke Takahashi; Yasunori Iwanami; Eiji Okamoto (PIMRC, 2007)

A Coprocessor for the Final Exponentiation of the eta T Pairing in Characteristic Three. - Jean-Luc Beuchat; Nicolas Brisebarre; Masaaki Shirase; Tsuyoshi Takagi; Eiji Okamoto (WAIFI, 2007)

Universal etaT Pairing Algorithm over Arbitrary Extension Degree. - Masaaki Shirase; Yuto Kawahara; Tsuyoshi Takagi; Eiji Okamoto (WISA, 2007)

Arithmetic Operators for Pairing-Based Cryptography. - Jean-Luc Beuchat; Nicolas Brisebarre; Jérémie Detrey; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2007)

Algorithms and Arithmetic Operators for Computing the etaT Pairing in Characteristic Three. - Jean-Luc Beuchat; Nicolas Brisebarre; Jérémie Detrey; Eiji Okamoto; Masaaki Shirase; Tsuyoshi Takagi (IACR Cryptol. ePrint Arch., 2007)

A Coprocessor for the Final Exponentiation of the etaT Pairing in Characteristic Three. - Jean-Luc Beuchat; Nicolas Brisebarre; Masaaki Shirase; Tsuyoshi Takagi; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2007)

A Refined Algorithm for the etaT Pairing Calculation in Characteristic Three. - Jean-Luc Beuchat; Masaaki Shirase; Tsuyoshi Takagi; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2007)

ID-Based Group Password-Authenticated Key Exchange. - Xun Yi; Raylin Tso; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2007)

An ID-SP-M4M Scheme and Its Security Analysis. - Lihua Wang 001; Eiji Okamoto; Ying Miao 001; Takeshi Okamoto; Hiroshi Doi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007)

Secure Wireless Sensor Networks. - Xun Yi; Mike Faulkner; Eiji Okamoto (ARES, 2008)

A Restricted Undeniable Designated Verifier Signature. - Atsushi Koide; Raylin Tso; Takeshi Okamoto; Eiji Okamoto (APSCC, 2008)

A Sanitizing Signature Scheme with Indexing. - Atsushi Koide; Raylin Tso; Eiji Okamoto (EUC (2), 2008)

Convertible Undeniable Partially Blind Signature from Bilinear Pairings. - Atsushi Koide; Raylin Tso; Eiji Okamoto (EUC (2), 2008)

Efficient convertible Limited Verifier Signatures. - Raylin Tso; Xun Yi; Takeshi Okamoto; Eiji Okamoto (ISIT, 2008)

An Efficient Countermeasure against Side Channel Attacks for Pairing Computation. - Masaaki Shirase; Tsuyoshi Takagi; Eiji Okamoto (ISPEC, 2008)

1-out-of-. - Raylin Tso; Takeshi Okamoto; Eiji Okamoto (ISPEC, 2008)

A Comparison Between Hardware Accelerators for the Modified Tate Pairing over F2m and F3m. - Jean-Luc Beuchat; Nicolas Brisebarre; Jérémie Detrey; Eiji Okamoto; Francisco Rodríguez-Henríquez (IACR Cryptol. ePrint Arch., 2008)

A Pipelined Karatsuba-Ofman Multiplier over GF(397) Amenable for Pairing Computation. - Nidia Cortez-Duarte; Francisco Rodríguez-Henríquez; Jean-Luc Beuchat; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2008)

Some Efficient Algorithms for the Final Exponentiation of etaT Pairing. - Masaaki Shirase; Tsuyoshi Takagi; Eiji Okamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

Anonymous authentication and secure communication protocol for wireless mobile ad hoc networks. - Sk. Md. Mizanur Rahman; Nidal Nasser; Atsuo Inomata; Takeshi Okamoto; Masahiro Mambo; Eiji Okamoto (Secur. Commun. Networks, 2008)

Algorithms and Arithmetic Operators for Computing the etaT Pairing in Characteristic Three. - Jean-Luc Beuchat; Nicolas Brisebarre; Jérémie Detrey; Eiji Okamoto; Masaaki Shirase; Tsuyoshi Takagi (IEEE Trans. Computers, 2008)

A Pluggable Domain Management Approach for Building Practical Distributed Coalitions. - Yasuharu Katsuno; Yuji Watanabe; Michiharu Kudo; Eiji Okamoto (ARES, 2009)

A quantitative approach to assess information security related risks. - Anton Romanov; Eiji Okamoto (CRiSIS, 2009)

A Framework for Building and Managing Secured ERP Landscape. - Anton Romanov; Eiji Okamoto (Security and Management, 2009)

Efficient Short Signatures from Pairing. - Raylin Tso; Takeshi Okamoto; Eiji Okamoto (ITNG, 2009)

An Approach for Designing of Enterprise IT Landscapes to Perform Quantitave Information Security Risk Assessment. - Anton Romanov; Eiji Okamoto (SECRYPT, 2009)

Hardware Accelerator for the Tate Pairing in Characteristic Three Based on Karatsuba-Ofman Multipliers. - Jean-Luc Beuchat; Jérémie Detrey; Nicolas Estibals; Eiji Okamoto; Francisco Rodríguez-Henríquez (IACR Cryptol. ePrint Arch., 2009)

Fast Architectures for the etaT Pairing over Small-Characteristic Supersingular Elliptic Curves. - Jean-Luc Beuchat; Jérémie Detrey; Nicolas Estibals; Eiji Okamoto; Francisco Rodríguez-Henríquez (IACR Cryptol. ePrint Arch., 2009)

Underlying Assumptions and Designated Verifier Signatures. - Chifumi Sato; Takeshi Okamoto; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2009)

New Cryptosystems From CSP-Based Self-Distributive Systems. - Licheng Wang; Lihua Wang 001; Zhenfu Cao; Eiji Okamoto; Jun Shao 001 (IACR Cryptol. ePrint Arch., 2009)

Optimised Versions of the Ate and Twisted Ate Pairings. - Seiichi Matsuda; Naoki Kanayama; Florian Hess; Eiji Okamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Sender Authenticated Key Agreements without Random Oracles. - Chifumi Sato; Takeshi Okamoto; Eiji Okamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Design and Analysis of "Flexible" k-out-of-n Signatures. - Raylin Tso; Xun Yi; Tadahiko Ito; Takeshi Okamoto; Eiji Okamoto (ATC, 2010)

New Constructions of Public-Key Encryption Schemes from Conjugacy Search Problems. - Lihua Wang 001; Licheng Wang; Zhenfu Cao; Eiji Okamoto; Jun Shao 001 (Inscrypt, 2010)

An Efficient LDGM Coding Scheme for Optical Satellite-to-Ground Link Based on a New Channel Model. - Yoshitoshi Yamashita; Eiji Okamoto; Yasunori Iwanami; Yozo Shoji; Morio Toyoshima; Yoshihisa Takayama (GLOBECOM, 2010)

A real-time privacy-sensitive data hiding approach based on chaos cryptography. - Sk. Md. Mizanur Rahman; M. Anwar Hossain 001; Hussein T. Mouftah; Abdulmotaleb El-Saddik; Eiji Okamoto (ICME, 2010)

MIMO MFSK receivers using FDE and MLD on quasi-static frequency selective fading channels. - Kenji Nakayama; Yasunori Iwanami; Eiji Okamoto (ISITA, 2010)

New Identity-Based Proxy Re-encryption Schemes to Prevent Collusion Attacks. - Lihua Wang 001; Licheng Wang; Masahiro Mambo; Eiji Okamoto (Pairing, 2010)

Identifying Potentially-Impacted Area by Vulnerabilities in Networked Systems Using CVSS. - Toshiki Harada; Akira Kanaoka; Eiji Okamoto; Masahiko Kato (SAINT, 2010)

On the Improvement of Maximum Likelihood Detection in Multiple Relay Systems. - Azlan Abd Aziz; Yasunori Iwanami; Eiji Okamoto (WCNC, 2010)

FPGA and ASIC implementations of the etaT pairing in characteristic three. - Jean-Luc Beuchat; Hiroshi Doi; Kaoru Fujita; Atsuo Inomata; Piseth Ith; Akira Kanaoka; Masayoshi Katouno; Masahiro Mambo; Eiji Okamoto; Takeshi Okamoto; Takaaki Shiga; Masaaki Shirase; et al. (Comput. Electr. Eng., 2010)

High-Speed Software Implementation of the Optimal Ate Pairing over Barreto-Naehrig Curves. - Jean-Luc Beuchat; Jorge Enrique González-Díaz; Shigeo Mitsunari; Eiji Okamoto; Francisco Rodríguez-Henríquez; Tadanori Teruya (IACR Cryptol. ePrint Arch., 2010)

Compact Implementations of BLAKE-32 and BLAKE-64 on FPGA. - Jean-Luc Beuchat; Eiji Okamoto; Teppei Yamazaki (IACR Cryptol. ePrint Arch., 2010)

A Compact FPGA Implementation of the SHA-3 Candidate ECHO. - Jean-Luc Beuchat; Eiji Okamoto; Teppei Yamazaki (IACR Cryptol. ePrint Arch., 2010)

Cryptographic Pairings Based on Elliptic Nets. - Naoki Ogura; Naoki Kanayama; Shigenori Uchiyama; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2010)

Pair-wise Cryptographic Models for Secure Data Exchange in P2P Database Management Systems. - Sk. Md. Mizanur Rahman; Mehedi Masud; Carlisle Adams; Khalil El-Khatib; Hussein T. Mouftah; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2010)

An Evaluation on Throughput Performance for Type II Hybrid-ARQ Using Non-binary Rate-Compatible-Punctured LDPC Codes. - Takashi Kozawa; Yasunori Iwanami; Eiji Okamoto; Ryota Yamada; Naoki Okamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

A Comparative Study on Time Domain Sequential Equalizer with MLD and MLSE Equalizer on MIMO Frequency Selective Channels. - Satoshi Nakanobu; Yasunori Iwanami; Eiji Okamoto (IEICE Trans. Commun., 2010)

Forecasting of Information Security Related Incidents: Amount of Spam Messages as a Case Study. - Anton Romanov; Eiji Okamoto (IEICE Trans. Commun., 2010)

Strongly unforgeable ID-based signatures without random oracles. - Chifumi Sato; Takeshi Okamoto; Eiji Okamoto (Int. J. Appl. Cryptogr., 2010)

An Approach to Perform Quantitative Information Security Risk Assessment in IT Landscapes. - Anton Romanov; Hiroe Tsubaki; Eiji Okamoto (J. Inf. Process., 2010)

Formal definitions and complexity results for trust relations and trust domains fit for TTPs, the web of trust, PKIs, and ID-based cryptography. - Simon Kramer 001; Rajeev Goré; Eiji Okamoto (SIGACT News, 2010)

Practical Remote End-to-End Voting Scheme. - Xun Yi; Eiji Okamoto (EGOVIS, 2011)

32-bit as Number Based IP Traceback. - Masayuki Okada; Yasuharu Katsuno; Akira Kanaoka; Eiji Okamoto (IMIS, 2011)

Certificateless Ordered Sequential Aggregate Signature Scheme. - Naoto Yanai; Raylin Tso; Masahiro Mambo; Eiji Okamoto (INCoS, 2011)

BlueSnarf Revisited: OBEX FTP Service Directory Traversal. - Alberto Moreno; Eiji Okamoto (Networking Workshops, 2011)

Cryptographic security models for eHealth P2P database management systems network. - Sk. Md. Mizanur Rahman; Md. Mehedi Masud; Carlisle Adams; Khalil El-Khatib; Hussein T. Mouftah; Eiji Okamoto (PST, 2011)

Three-party Password-authenticated Key Exchange without Random Oracles. - Xun Yi; Raylin Tso; Eiji Okamoto (SECRYPT, 2011)

A Chaos MIMO Transmission Scheme for Secure Communications on Physical Layer. - Eiji Okamoto (VTC Spring, 2011)

Performance improvement of OFDMA cellular system using code division multiplexing in satellite/terrestrial integrated mobile communication system. - Eiji Okamoto; Hiroyuki Tsuji; Yoshiyuki Fujino (WPMC, 2011)

A comparative study on MIMO MLSE turbo equalizer on frequency selective channels. - Yuya Takahashi; Yasunori Iwanami; Eiji Okamoto (WPMC, 2011)

Computer-Aided Decision-Making for Formal Relations and Domains of Trust, Distrust, and Mistrust with Cryptographic Applications. - Simon Kramer 001; Rajeev Goré; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2011)

An Effective Downlink Resource Allocation Scheme Based on MIMO-OFDMA-CDM in Cellular System. - Yasuhiro Fuwa; Eiji Okamoto; Yasunori Iwanami (IEICE Trans. Commun., 2011)

Scalar Multiplication on Pairing Friendly Elliptic Curves. - Naoki Kanayama; Tadanori Teruya; Eiji Okamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

A low-area unified hardware architecture for the AES and the cryptographic hash function ECHO. - Jean-Luc Beuchat; Eiji Okamoto; Teppei Yamazaki (J. Cryptogr. Eng., 2011)

Fast Architectures for the eta_T Pairing over Small-Characteristic Supersingular Elliptic Curves. - Jean-Luc Beuchat; Jérémie Detrey; Nicolas Estibals; Eiji Okamoto; Francisco Rodríguez-Henríquez (IEEE Trans. Computers, 2011)

Performance improvement of TOA localization using IMR-based NLOS detection in sensor networks. - Kazutaka Fukuda; Eiji Okamoto (ICOIN, 2012)

A secure cooperative relay transmission using chaos MIMO scheme. - Eiji Okamoto (ICUFN, 2012)

Discovery of Unexpected Services and Communication Paths in Networked Systems. - Ichita Higurashi; Akira Kanaoka; Masahiko Kato; Eiji Okamoto (SafeConfig, 2012)

Tracing Advanced Persistent Threats in Networked Systems. - Masahiko Kato; Takumi Matsunami; Akira Kanaoka; Hiroshi Koide; Eiji Okamoto (SafeConfig, 2012)

Identity-based Password-Authenticated Key Exchange for Client/Server Model. - Xun Yi; Raylin Tso; Eiji Okamoto (SECRYPT, 2012)

An Effective Channel Estimation Scheme for Bi-Directional Two-Timeslot OFDM Relay Transmission Using Analog Network Coding. - Yuta Koshimizu; Eiji Okamoto (VTC Spring, 2012)

Performance Improvement of IMR-Based NLOS Detection in Indoor Ultra Wide-Band TOA Localization. - Kazutaka Fukuda; Eiji Okamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012)

A Note on the Pairing Computation Using Normalized Miller Functions. - Naoki Ogura; Shigenori Uchiyama; Naoki Kanayama; Eiji Okamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012)

A Chaos MIMO Transmission Scheme for Channel Coding and Physical-Layer Security. - Eiji Okamoto (IEICE Trans. Commun., 2012)

Identity-Based Proxy Cryptosystems with Revocability and Hierarchical Confidentialities. - Lihua Wang 001; Licheng Wang; Masahiro Mambo; Eiji Okamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012)

A Markov-Based Satellite-to-Ground Optical Channel Model and Its Effective Coding Scheme. - Yoshitoshi Yamashita; Eiji Okamoto; Yasunori Iwanami; Yozo Shoji; Morio Toyoshima; Yoshihisa Takayama (IEICE Trans. Commun., 2012)

A Certificateless Ordered Sequential Aggregate Signature Scheme Secure against Super Adverssaries. - Naoto Yanai; Raylin Tso; Masahiro Mambo; Eiji Okamoto (J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl., 2012)

Chaos-cryptography based privacy preservation technique for video surveillance. - Sk. Md. Mizanur Rahman; M. Anwar Hossain 001; Hussein T. Mouftah; Abdulmotaleb El-Saddik; Eiji Okamoto (Multim. Syst., 2012)

Approach to Pairing Inversions Without Solving Miller Inversion. - Naoki Kanayama; Eiji Okamoto (IEEE Trans. Inf. Theory, 2012)

A Device for Transparent Probabilistic Packet Marking. - Masayuki Okada; Nasato Goto; Akira Kanaoka; Eiji Okamoto (COMPSAC Workshops, 2013)

A magnetic fluid seal for rotary blood pumps: Image and computational analyses of behaviors of magnetic fluids. - Yoshinori Mitamura; Tetsuya Yano; Eiji Okamoto (EMBC, 2013)

Evaluation of titanium mesh electrode using for transcutaneous intrabody communication by tissue-electrode impedance. - Eiji Okamoto; Sakiko Kikuchi; Yoshinori Mitamura (EMBC, 2013)

An Ordered Multisignature Scheme Under the CDH Assumption Without Random Oracles. - Naoto Yanai; Masahiro Mambo; Eiji Okamoto (ISC, 2013)

Interference-aware weighting scheme for satellite/terrestrial integrated mobile communication system. - Akihisa Tanaka; Eiji Okamoto; Hiroyuki Tsuji; Yoshiyuki Fujino (IWCMC, 2013)

Construction of a Multi-domain Functional Encryption System on Functional Information Infrastructure. - Yusuke Niwa; Akira Kanaoka; Eiji Okamoto (NBiS, 2013)

Constructing Symmetric Pairings over Supersingular Elliptic Curves with Embedding Degree Three. - Tadanori Teruya; Kazutaka Saito; Naoki Kanayama; Yuto Kawahara; Tetsutaro Kobayashi; Eiji Okamoto (Pairing, 2013)

An Efficient Channel Estimation Scheme Using Walsh Pilots in Bi-directional Wireless OFDM Relay Systems with Analog Network Coding. - Yuta Koshimizu; Eiji Okamoto (IEICE Trans. Commun., 2013)

Detection of Unexpected Services and Communication Paths in Networked Systems. - Ichita Higurashi; Akira Kanaoka; Masahiko Kato; Eiji Okamoto (J. Inf. Process., 2013)

Practical Internet voting system. - Xun Yi; Eiji Okamoto (J. Netw. Comput. Appl., 2013)

Particle swarm optimization-based low-complexity three-dimensional UWB localization scheme. - Eiji Okamoto; Manato Horiba; Keita Nakashima; Toshiko Shinohara; Katsuhiko Matsumura (ICUFN, 2014)

A CDH-based ordered multisignature scheme in the standard model with better efficiency. - Naoto Yanai; Masahiro Mambo; Eiji Okamoto (ISITA, 2014)

A Short Fail-Stop Signature Scheme from Factoring. - Takashi Yamakawa; Nobuaki Kitajima; Takashi Nishide; Goichiro Hanaoka; Eiji Okamoto (ProvSec, 2014)

Implementation of an Elliptic Curve Scalar Multiplication Method Using Division Polynomials. - Naoki Kanayama; Yang Liu; Eiji Okamoto; Kazutaka Saito; Tadanori Teruya; Shigenori Uchiyama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014)

Transparent Probabilistic Packet Marking. - Masayuki Okada; Nasato Goto; Akira Kanaoka; Eiji Okamoto (J. Inf. Process., 2014)

A CDH-based Ordered Multisignature Scheme Provably Secure without Random Oracles. - Naoto Yanai; Eikoh Chida; Masahiro Mambo; Eiji Okamoto (J. Inf. Process., 2014)

Computing fixed argument pairings with the elliptic net algorithm. - Yang Liu; Naoki Kanayama; Kazutaka Saito; Tadanori Teruya; Shigenori Uchiyama; Eiji Okamoto (JSIAM Lett., 2014)

Computer-aided decision-making with trust relations and trust domains (cryptographic applications). - Simon Kramer 001; Rajeev Goré; Eiji Okamoto (J. Log. Comput., 2014)

Compact Hardware Implementations of ChaCha, BLAKE, Threefish, and Skein on FPGA. - Nuray At; Jean-Luc Beuchat; Eiji Okamoto; Ismail San; Teppei Yamazaki (IEEE Trans. Circuits Syst. I Regul. Pap., 2014)

R&D activities for 5G in IEICE technical committee on radio communication systems. - Hidekazu Murata; Eiji Okamoto; Manabu Mikami; Akihiro Okazaki; Satoshi Suyama; Takamichi Inoue; Jun Mashino; Tetsuya Yamamoto; Makoto Taromaru (APCC, 2015)

Constructions of Fail-Stop Signatures for Multi-signer Setting. - Nobuaki Kitajima; Naoto Yanai; Takashi Nishide; Goichiro Hanaoka; Eiji Okamoto (AsiaJCIS, 2015)

Privacy Preserved Rule-Based Risk Analysis through Secure Multi-party Computation. - Yu Liu; Nasato Goto; Akira Kanaoka; Eiji Okamoto (AsiaJCIS, 2015)

Software Implementation of Ciphertext-Policy Functional Encryption with Simple Usability. - Keisuke Hasegawa; Naoki Kanayama; Takashi Nishide; Eiji Okamoto (ICITCS, 2015)

Software Implementation of a Pairing Function for Public Key Cryptosystems. - Yusuke Kanbara; Tadanori Teruya; Naoki Kanayama; Takashi Nishide; Eiji Okamoto (ICITCS, 2015)

An improved NLOS detection scheme using stochastic characteristics for indoor localization. - Manato Horiba; Eiji Okamoto; Toshiko Shinohara; Katsuhiko Matsumura (ICOIN, 2015)

Another Look at Aggregate Signatures: Their Capability and Security on Network Graphs. - Naoto Yanai; Masahiro Mambo; Kazuma Tanaka; Takashi Nishide; Eiji Okamoto (INTRUST, 2015)

Secure Multi-Party Computation Using Polarizing Cards. - Kazumasa Shinagawa; Takaaki Mizuki; Jacob C. N. Schuldt; Koji Nuida; Naoki Kanayama; Takashi Nishide; Goichiro Hanaoka; Eiji Okamoto (IWSEC, 2015)

Multi-party Computation with Small Shuffle Complexity Using Regular Polygon Cards. - Kazumasa Shinagawa; Takaaki Mizuki; Jacob C. N. Schuldt; Koji Nuida; Naoki Kanayama; Takashi Nishide; Goichiro Hanaoka; Eiji Okamoto (ProvSec, 2015)

Gateway Threshold Password-based Authenticated Key Exchange Secure against Undetectable On-line Dictionary Attack. - Yukou Kobayashi; Naoto Yanai; Kazuki Yoneyama; Takashi Nishide; Goichiro Hanaoka; Kwangjo Kim; Eiji Okamoto (SECRYPT, 2015)

An Improved Proportional Fair Scheduling in Downlink Non-Orthogonal Multiple Access System. - Eiji Okamoto (VTC Fall, 2015)

An Accurate Indoor-Localization Scheme with NLOS Detection and Elimination Exploiting Stochastic Characteristics. - Manato Horiba; Eiji Okamoto; Toshiko Shinohara; Katsuhiko Matsumura (IEICE Trans. Commun., 2015)

A Chaos MIMO Transmission Scheme Using Turbo Principle for Secure Channel-Coded Transmission. - Eiji Okamoto; Yuma Inaba (IEICE Trans. Commun., 2015)

METRO: Measurement of End-to-End Route Trust. - Nasato Goto; Akira Kanaoka; Masayuki Okada; Eiji Okamoto (J. Inf. Process., 2015)

Size-Hiding Computation for Multiple Parties. - Kazumasa Shinagawa; Koji Nuida; Takashi Nishide; Goichiro Hanaoka; Eiji Okamoto (ASIACRYPT (2), 2016)

Revocable Decentralized Multi-Authority Functional Encryption. - Hikaru Tsuchida 001; Takashi Nishide; Eiji Okamoto; Kwangjo Kim (INDOCRYPT, 2016)

Committed AND protocol using three cards with more handy shuffle. - Kazumasa Shinagawa; Koji Nuida; Takashi Nishide; Goichiro Hanaoka; Eiji Okamoto (ISITA, 2016)

A Cooperative V2I Uplink Transmission Scheme Utilizing V2V Network Coding. - Eiji Okamoto; Keisuke Kunitomo; Hidenori Akita; Takuma Kyo (VTC Spring, 2016)

Radio Access Technologies for Fifth Generation Mobile Communications System: Review of Recent Research and Developments in Japan. - Hidekazu Murata; Eiji Okamoto; Manabu Mikami; Akihiro Okazaki; Satoshi Suyama; Takamichi Inoue; Jun Mashino; Tetsuya Yamamoto; Makoto Taromaru (IEICE Trans. Commun., 2016)

Application of Non-Orthogonal Multiple Access Scheme for Satellite Downlink in Satellite/Terrestrial Integrated Mobile Communication System with Dual Satellites. - Eiji Okamoto; Hiroyuki Tsuji (IEICE Trans. Commun., 2016)

Secure Computation Protocols Using Polarizing Cards. - Kazumasa Shinagawa; Takaaki Mizuki; Jacob C. N. Schuldt; Koji Nuida; Naoki Kanayama; Takashi Nishide; Goichiro Hanaoka; Eiji Okamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2016)

Software Library for Ciphertext/Key-Policy Functional Encryption with Simple Usability. - Keisuke Hasegawa; Naoki Kanayama; Takashi Nishide; Eiji Okamoto (J. Inf. Process., 2016)

Fail-Stop Signatures for Multiple-Signers: Definitions, Constructions, and Their Extensions. - Nobuaki Kitajima; Naoto Yanai; Takashi Nishide; Goichiro Hanaoka; Eiji Okamoto (J. Inf. Process., 2016)

Performance improvement of multi-user chaos MIMO transmission scheme using dirty paper coding. - Naoto Horiike; Eiji Okamoto; Tetsuya Yamamoto (APCC, 2017)

One-time Programs with Cloud Storage and Its Application to Electronic Money. - Takuya Kitamura; Kazumasa Shinagawa; Takashi Nishide; Eiji Okamoto (APKC@AsiaCCS, 2017)

Performance improvement of satellite/terrestrial integrated mobile communication system using unmanned aerial vehicle cooperative communications. - Tomohiro Akiyoshi; Eiji Okamoto; Hiroyuki Tsuji; Amane Miura (ICOIN, 2017)

Performance improvement of chaos MIMO transmission scheme by LDPC code concatenation using symbol MAP detection and STBC. - Naoto Horiike; Eiji Okamoto; Tetsuya Yamamoto (ICOIN, 2017)

Performance Improvement of Low-Latency V2I Uplink Using Superposed Cooperative V2V Transmission. - Eiji Okamoto; Hiraku Okada; Yoshinao Ishii; Satoshi Makido (VTC Fall, 2017)

Sparse chaos code multiple access scheme achieving larger capacity and physical layer security. - Eiji Okamoto; Naoto Horiike; Tetsuya Yamamoto (WPMC, 2017)

Provably Secure Gateway Threshold Password-Based Authenticated Key Exchange Secure against Undetectable On-Line Dictionary Attack. - Yukou Kobayashi; Naoto Yanai; Kazuki Yoneyama; Takashi Nishide; Goichiro Hanaoka; Kwangjo Kim; Eiji Okamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017)

Card-Based Protocols Using Regular Polygon Cards. - Kazumasa Shinagawa; Takaaki Mizuki; Jacob C. N. Schuldt; Koji Nuida; Naoki Kanayama; Takashi Nishide; Goichiro Hanaoka; Eiji Okamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017)

A privacy-enhanced access log management mechanism in SSO systems from nominative signatures. - Sanami Nakagawa; Takashi Nishide; Eiji Okamoto; Keita Emura; Goichiro Hanaoka; Yusuke Sakai 001; Akihisa Kodate (Int. J. Appl. Cryptogr., 2017)

Performance improvement of non-orthogonal multiple access scheme using code division multiplexing. - Hiroki Kitagawa; Eiji Okamoto (Int. J. Distributed Sens. Networks, 2017)

A low-area unified hardware architecture for the AES and the cryptographic hash function Grøstl. - Nuray At; Jean-Luc Beuchat; Eiji Okamoto; Ismail San; Teppei Yamazaki (J. Parallel Distributed Comput., 2017)

A Study on Indoor Dimming Method Utilizing Outside Light for Power Saving. - Kengo Sasaki; Eiji Okamoto (APSIPA, 2018)

Chaos MIMO-based downlink non-orthogonal multiple access scheme with physical layer security. - Naoto Horiike; Hiroki Kitagawa; Eiji Okamoto; Tetsuya Yamamoto (CCNC, 2018)

Large-Scale Grant-Free Sparse Chaos Code Multiple Access Scheme for 5G IoT. - Eiji Okamoto; Naoto Horiike; Tetsuya Yamamoto (VTC Fall, 2018)

A downlink non-orthogonal multiple access scheme having physical layer security. - Naoto Horiike; Eiji Okamoto; Tetsuya Yamamoto (EURASIP J. Wirel. Commun. Netw., 2018)

A k-out-of-n Ring Signature with Flexible Participation for Signers. - Takeshi Okamoto; Raylin Tso; Michitomo Yamaguchi; Eiji Okamoto (IACR Cryptol. ePrint Arch., 2018)

Expressive Ciphertext-Policy Attribute-Based Encryption with Fast Decryption. - Hikaru Tsuchida 001; Takashi Nishide; Eiji Okamoto (J. Internet Serv. Inf. Secur., 2018)

Performance Analysis of a Terrestrial/UAV Integrated Mobile Communications System Using Code Division Multiplexing in Natural Disasters. - Ryo Hasegawa; Eiji Okamoto; Hiroyuki Tsuji; Amane Miura (ICOIN, 2019)

Performance Analysis of Uplink V2I Cooperative Transmission Scheme in Practical Road Environments. - Hayato Ishikawa; Eiji Okamoto; Shouhei Okamoto; Hiraku Okada; Satoshi Makido (ICOIN, 2019)

A Chaos MIMO-Based Polar Concatenation Code for Secure Channel Coding. - Keita Ito; Yoshihiro Masuda; Eiji Okamoto (ICOIN, 2019)

An Uplink Non-Orthogonal Multiple Access Scheme Having Physical Layer Security Based on Chaos Modulation. - Yoshihiro Masuda; Eiji Okamoto; Keita Ito; Tetsuya Yamamoto (ICOIN, 2019)

Poster: Effective frame configuration of 5G URLLC using open-loop HARQ for autonomous driving. - Yusaku Shiomitsu; Eiji Okamoto; Manabu Mikami; Hitoshi Yoshino (VNC, 2019)

Performance Comparison of Multi-User Shared Multiple Access Scheme in Uplink Channels. - Eiji Okamoto; Manabu Mikami; Hitoshi Yoshino (IEICE Trans. Commun., 2019)

Performance improvement of V2I uplink transmission on far vehicles using frequency scheduling-based cooperative V2V relay transmission. - Hayato Ishikawa; Eiji Okamoto; Hiraku Okada; Satoshi Makido (CCNC, 2020)

Low Complexity Decoding of Downlink Chaos NOMA Scheme with Physical Layer Security. - Yoshihiro Masuda; Eiji Okamoto; Tetsuya Yamamoto (CCNC, 2020)

Poster: Performance analysis of early HARQ retransmission scheme in highway environments. - Yusaku Shiomitsu; Eiji Okamoto; Manabu Mikami; Hitoshi Yoshino (VNC, 2020)

Chaos-Based Interleave Division Multiple Access Scheme with Physical Layer Security. - Mamoru Okumura; Kaga Tomoki; Eiji Okamoto; Tetsuya Yamamoto (CCNC, 2021)

Artificially Time-Varying Differential MIMO for Achieving Practical Physical Layer Security. - Naoki Ishikawa; Jehad M. Hamamreh; Eiji Okamoto; Chao Xu 005; Lixia Xiao (IEEE Open J. Commun. Soc., 2021)

Multi-Level Encrypted Transmission Scheme Using Hybrid Chaos and Linear Modulation. - Kaga Tomoki; Mamoru Okumura; Eiji Okamoto; Tetsuya Yamamoto (IEICE Trans. Commun., 2022)

Performance Improvement of Radio-Wave Encrypted MIMO Communications Using Average LLR Clipping. - Mamoru Okumura; Keisuke Asano; Takumi Abe; Eiji Okamoto; Tetsuya Yamamoto (IEICE Trans. Commun., 2022)

Performance Comparison of Channel Coding Methods for Optical Satellite Data Relay System. - Eiji Okamoto; Yuma Yamashita; Yohei Satoh; Mitsuhiro Nakadai; Takamasa Itahashi; Shiro Yamakawa (PIMRC, 2023)

High-Quality Secure Wireless Transmission Scheme Using Polar Codes and Radio-Wave Encrypted Modulation. - Keisuke Asano; Mamoru Okumura; Takumi Abe; Eiji Okamoto; Tetsuya Yamamoto (IEICE Trans. Commun., 2023)

Demonstration of Chaos-Based Radio Encryption Modulation Scheme through Wired Transmission Experiments. - Kenya Tomita; Mamoru Okumura; Eiji Okamoto (IEICE Trans. Commun., 2023)

Foreword. - Eiji Okamoto (IEICE Trans. Commun., 2023)

High-Quality and Low-Complexity Polar-Coded Radio-Wave Encrypted Modulation Utilizing Multipurpose Frozen Bits. - Keisuke Asano; Takumi Abe; Kenta Kato; Eiji Okamoto; Tetsuya Yamamoto (IEICE Trans. Commun., 2023)