Atsushi Fujioka

According to our database, Atsushi Fujioka authored at least 41 papers between 1988 and 2023.

Collaborative distances:

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

2023

Extended k^m-Anonymity for Randomization Applied to Binary Data.

Masaya Kobayashi, Atsushi Fujioka, Koji Chida

Proceedings of the 20th Annual International Conference on Privacy, Security and Trust, 2023

Making the Identity-Based Diffie-Hellman Key Exchange Efficiently Revocable.

Kohei Nakagawa, Atsushi Fujioka, Akira Nagai, Junichi Tomida, Keita Xagawa, Kan Yasuda

Proceedings of the Progress in Cryptology - LATINCRYPT 2023, 2023

2021

Strongly Secure Identity-Based Key Exchange with Single Pairing Operation.

Junichi Tomida, Atsushi Fujioka, Akira Nagai, Koutarou Suzuki

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021

Revocable Hierarchical Identity-Based Authenticated Key Exchange.

Yuki Okano, Junichi Tomida, Akira Nagai, Kazuki Yoneyama, Atsushi Fujioka, Koutarou Suzuki

Proceedings of the Information Security and Cryptology - ICISC 2021, 2021

2020

Foreword.

Atsushi Fujioka

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2020

2018

One-Round Authenticated Group Key Exchange from Isogenies.

Atsushi Fujioka, Katsuyuki Takashima, Kazuki Yoneyama

IACR Cryptol. ePrint Arch., 2018

Supersingular Isogeny Diffie-Hellman Authenticated Key Exchange.

Atsushi Fujioka, Katsuyuki Takashima, Shintaro Terada, Kazuki Yoneyama

IACR Cryptol. ePrint Arch., 2018

Single Private-Key Generator Security Implies Multiple Private-Key Generators Security.

Atsushi Fujioka, Kazuki Yoneyama

Proceedings of the Provable Security, 2018

2017

Adaptive Security in Identity-Based Authenticated Key Agreement with Multiple Private Key Generators.

Atsushi Fujioka

Proceedings of the Advances in Information and Computer Security, 2017

2016

One-Round Exposure-Resilient Identity-Based Authenticated Key Agreement with Multiple Private Key Generators.

Atsushi Fujioka

Proceedings of the Paradigms in Cryptology - Mycrypt 2016. Malicious and Exploratory Cryptology, 2016

2015

Strongly secure authenticated key exchange from factoring, codes, and lattices.

Atsushi Fujioka, Koutarou Suzuki, Keita Xagawa, Kazuki Yoneyama

Des. Codes Cryptogr., 2015

2014

Secure Hierarchical Identity-Based Identification without Random Oracles.

Atsushi Fujioka, Taiichi Saito, Keita Xagawa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014

Non-malleable Multiple Public-Key Encryption.

Atsushi Fujioka, Eiichiro Fujisaki, Keita Xagawa

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2014

2013

Generic Construction of Strongly Secure Timed-Release Public-Key Encryption.

Atsushi Fujioka, Yoshiaki Okamoto, Taiichi Saito

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013

id-eCK Secure ID-Based Authenticated Key Exchange on Symmetric and Asymmetric Pairing.

Atsushi Fujioka, Fumitaka Hoshino, Tetsutaro Kobayashi, Koutarou Suzuki, Berkant Ustaoglu, Kazuki Yoneyama

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013

Characterization of Strongly Secure Authenticated Key Exchanges without NAXOS Technique.

Atsushi Fujioka

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013

Practical and post-quantum authenticated key exchange from one-way secure key encapsulation mechanism.

Atsushi Fujioka, Koutarou Suzuki, Keita Xagawa, Kazuki Yoneyama

Proceedings of the 8th ACM Symposium on Information, Computer and Communications Security, 2013

2012

Strongly Secure Authenticated Key Exchange without NAXOS' Approach under Computational Diffie-Hellman Assumption.

Minkyu Kim, Atsushi Fujioka, Berkant Ustaoglu

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012

Strongly Secure Predicate-Based Authenticated Key Exchange: Definition and Constructions.

Atsushi Fujioka, Koutarou Suzuki, Kazuki Yoneyama

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012

Security of Sequential Multiple Encryption.

Atsushi Fujioka, Yoshiaki Okamoto, Taiichi Saito

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012

Security Enhancement of Identity-Based Identification with Reversibility.

Atsushi Fujioka, Taiichi Saito, Keita Xagawa

Proceedings of the Information and Communications Security - 14th International Conference, 2012

Applicability of OR-Proof Techniques to Hierarchical Identity-Based Identification.

Atsushi Fujioka, Taiichi Saito, Keita Xagawa

Proceedings of the Cryptology and Network Security, 11th International Conference, 2012

Security Enhancements by OR-Proof in Identity-Based Identification.

Atsushi Fujioka, Taiichi Saito, Keita Xagawa

Proceedings of the Applied Cryptography and Network Security, 2012

Sufficient Condition for Ephemeral Key-Leakage Resilient Tripartite Key Exchange.

Atsushi Fujioka, Mark Manulis, Koutarou Suzuki, Berkant Ustaoglu

Proceedings of the Information Security and Privacy - 17th Australasian Conference, 2012

2011

Hierarchical ID-Based Authenticated Key Exchange Resilient to Ephemeral Key Leakage.

Atsushi Fujioka, Koutarou Suzuki, Kazuki Yoneyama

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011

Strong Security Notions for Timed-Release Public-Key Encryption Revisited.

Ryo Kikuchi, Atsushi Fujioka, Yoshiaki Okamoto, Taiichi Saito

Proceedings of the Information Security and Cryptology - ICISC 2011 - 14th International Conference, Seoul, Korea, November 30, 2011

Sufficient Condition for Identity-Based Authenticated Key Exchange Resilient to Leakage of Secret Keys.

Atsushi Fujioka, Koutarou Suzuki

Proceedings of the Information Security and Cryptology - ICISC 2011 - 14th International Conference, Seoul, Korea, November 30, 2011

Designing Efficient Authenticated Key Exchange Resilient to Leakage of Ephemeral Secret Keys.

Atsushi Fujioka, Koutarou Suzuki

Proceedings of the Topics in Cryptology - CT-RSA 2011, 2011

2010

Predicate-Based Authenticated Key Exchange Resilient to Ephemeral Key Leakage.

Atsushi Fujioka, Koutarou Suzuki, Kazuki Yoneyama

Proceedings of the Information Security Applications - 11th International Workshop, 2010

Ephemeral Key Leakage Resilient and Efficient ID-AKEs That Can Share Identities, Private and Master Keys.

Atsushi Fujioka, Koutarou Suzuki, Berkant Ustaoglu

Proceedings of the Pairing-Based Cryptography - Pairing 2010, 2010

2009

Utilizing postponed ephemeral and pseudo-static keys in tripartite and identity-based key agreement protocols.

Atsushi Fujioka, Koutarou Suzuki, Berkant Ustaoglu

IACR Cryptol. ePrint Arch., 2009

Strongly Secure Authenticated Key Exchange without NAXOS' Approach.

Minkyu Kim, Atsushi Fujioka, Berkant Ustaoglu

Proceedings of the Advances in Information and Computer Security, 2009

2006

Forward-Secure Authenticated-Encryption in Multi-Receiver Setting.

Kan Yasuda, Kazumaro Aoki, Eiichiro Fujisaki, Atsushi Fujioka

Proceedings of the SECRYPT 2006, 2006

1999

An Improvement on a Practical Secret Voting Scheme.

Miyako Ohkubo, Fumiaki Miura, Masayuki Abe, Atsushi Fujioka, Tatsuaki Okamoto

Proceedings of the Information Security, Second International Workshop, 1999

1992

Secure Bit Commitment Function against Divertibility.

Kazuo Ohta, Tatsuaki Okamoto, Atsushi Fujioka

Proceedings of the Advances in Cryptology, 1992

An Efficient Digital Signature Scheme Based on an Elliptic Curve Over the Ring Z_n.

Tatsuaki Okamoto, Atsushi Fujioka, Eiichiro Fujisaki

Proceedings of the Advances in Cryptology, 1992

A Practical Secret Voting Scheme for Large Scale Elections.

Atsushi Fujioka, Tatsuaki Okamoto, Kazuo Ohta

Proceedings of the Advances in Cryptology, 1992

1991

Provably Secure Key-Updating Schemes in Identity-Based Systems.

Shinji Shinozaki, Atsushi Fujioka, Shigeo Tsujii, Toshiya Itoh

J. Circuits Syst. Comput., 1991

Interactive Bi-Proof Systems and Undeniable Signature Schemes.

Atsushi Fujioka, Tatsuaki Okamoto, Kazuo Ohta

Proceedings of the Advances in Cryptology, 1991

ESIGN: An Efficient Digital Signature Implementation for Smard Cards.

Atsushi Fujioka, Tatsuaki Okamoto, Shoji Miyaguchi

Proceedings of the Advances in Cryptology, 1991

1988

A public-key cryptosystem based on the difficulty of solving a system of nonlinear equations.

Shigeo Tsujii, Toshiya Itoh, Atsushi Fujioka, Kaoru Kurosawa, Tsutomu Matsumoto

Syst. Comput. Jpn., 1988