Junichi Tomida

According to our database, Junichi Tomida authored at least 24 papers between 2016 and 2025.

Collaborative distances:

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

2025

Fully Adaptive Decentralized MA-ABE: Simplified, Optimized, ASP Supported.

Pratish Datta, Junichi Tomida, Nikhil Vanjani

IACR Cryptol. ePrint Arch., 2025

2024

Secure Statistical Analysis on Multiple Datasets: Join and Group-By.

Gilad Asharov, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Ariel Nof, Benny Pinkas, Junichi Tomida

IACR Cryptol. ePrint Arch., 2024

A Modular Approach to Registered ABE for Unbounded Predicates.

Nuttapong Attrapadung, Junichi Tomida

Proceedings of the Advances in Cryptology - CRYPTO 2024, 2024

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

Unbounded Quadratic Functional Encryption and More from Pairings.

Junichi Tomida

Proceedings of the Advances in Cryptology - EUROCRYPT 2023, 2023

Attribute-Based Multi-input FE (and More) for Attribute-Weighted Sums.

Shweta Agrawal, Junichi Tomida, Anshu Yadav

Proceedings of the Advances in Cryptology - CRYPTO 2023, 2023

Secure Statistical Analysis on Multiple Datasets: Join and Group-By.

Gilad Asharov, Koki Hamada, Ryo Kikuchi, Ariel Nof, Benny Pinkas, Junichi Tomida

Proceedings of the 2023 ACM SIGSAC Conference on Computer and Communications Security, 2023

Communication-Efficient Inner Product Private Join and Compute with Cardinality.

Koji Chida, Koki Hamada, Atsunori Ichikawa, Masanobu Kii, Junichi Tomida

Proceedings of the 2023 ACM Asia Conference on Computer and Communications Security, 2023

2022

Private Intersection-Weighted-Sum.

Koji Chida, Koki Hamada, Atsunori Ichikawa, Masanobu Kii, Junichi Tomida

IACR Cryptol. ePrint Arch., 2022

Multi-Input Quadratic Functional Encryption: Stronger Security, Broader Functionality.

Shweta Agrawal, Rishab Goyal, Junichi Tomida

Proceedings of the Theory of Cryptography - 20th International Conference, 2022

Efficient Secure Three-Party Sorting with Applications to Data Analysis and Heavy Hitters.

Gilad Asharov, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Ariel Nof, Benny Pinkas, Katsumi Takahashi, Junichi Tomida

Proceedings of the 2022 ACM SIGSAC Conference on Computer and Communications Security, 2022

2021

Towards Practical Inner Product Functional Encryption.

Junichi Tomida

PhD thesis, 2021

Multi-Party Functional Encryption.

Shweta Agrawal, Rishab Goyal, Junichi Tomida

Proceedings of the Theory of Cryptography - 19th International Conference, 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

Multi-input Quadratic Functional Encryption from Pairings.

Shweta Agrawal, Rishab Goyal, Junichi Tomida

Proceedings of the Advances in Cryptology - CRYPTO 2021, 2021

2020

Efficient Inner Product Functional Encryption with Full-Hiding Security.

Junichi Tomida, Masayuki Abe, Tatsuaki Okamoto

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

Multi-Input Quadratic Functional Encryption from Pairings.

Junichi Tomida

IACR Cryptol. ePrint Arch., 2020

Fast, Compact, and Expressive Attribute-Based Encryption.

Junichi Tomida, Yuto Kawahara, Ryo Nishimaki

Proceedings of the Public-Key Cryptography - PKC 2020, 2020

Unbounded Dynamic Predicate Compositions in ABE from Standard Assumptions.

Nuttapong Attrapadung, Junichi Tomida

Proceedings of the Advances in Cryptology - ASIACRYPT 2020, 2020

2019

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

Junichi Tomida, Atsushi Fujioka, Akira Nagai, Koutarou Suzuki

Proceedings of the Computer Security - ESORICS 2019, 2019

Tightly Secure Inner Product Functional Encryption: Multi-input and Function-Hiding Constructions.

Junichi Tomida

Proceedings of the Advances in Cryptology - ASIACRYPT 2019, 2019

2018

Full-Hiding (Unbounded) Multi-input Inner Product Functional Encryption from the k-Linear Assumption.

Pratish Datta, Tatsuaki Okamoto, Junichi Tomida

Proceedings of the Public-Key Cryptography - PKC 2018, 2018

Unbounded Inner Product Functional Encryption from Bilinear Maps.

Junichi Tomida, Katsuyuki Takashima

Proceedings of the Advances in Cryptology - ASIACRYPT 2018, 2018

2016

Efficient Functional Encryption for Inner-Product Values with Full-Hiding Security.

Junichi Tomida, Masayuki Abe, Tatsuaki Okamoto

Proceedings of the Information Security - 19th International Conference, 2016