Kaisei Kajita

According to our database, Kaisei Kajita authored at least 15 papers between 2017 and 2024.

Collaborative distances:

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

2024

Generalized Adaptor Signature Scheme: From Two-Party to N-Party Settings.

Kaisei Kajita, Go Ohtake, Tsuyoshi Takagi

IACR Cryptol. ePrint Arch., 2024

EncPDS: Encrypted Personal Data Stores via Key-Aggregate ID-Based Proxy Re-Encryption.

Kaisei Kajita, Go Ohtake

Proceedings of the 17th International Conference on Security of Information and Networks, 2024

Consecutive Adaptor Signature Scheme: From Two-Party to N-Party Settings.

Kaisei Kajita, Go Ohtake, Tsuyoshi Takagi

Proceedings of the Provable and Practical Security, 2024

2023

Outsider-Anonymous Broadcast Encryption with Keyword Search: Generic Construction, CCA Security, and with Sublinear Ciphertexts.

Keita Emura, Kaisei Kajita, Go Ohtake

IACR Cryptol. ePrint Arch., 2023

Privacy-Preserving Data Management and Provision System for Personal Data Store.

Kaisei Kajita, Kinji Matsumura, Go Ohtake

Proceedings of the HCI International 2023 Posters, 2023

Continuous Group Key Agreement with Flexible Authorization and Its Applications.

Kaisei Kajita, Keita Emura, Kazuto Ogawa, Ryo Nojima, Go Ohtake

Proceedings of the 9th ACM International Workshop on Security and Privacy Analytics, 2023

2022

Providing Membership Privacy to the Asynchronous Ratcheting Trees Protocol without losing Scalability.

Keita Emura, Kaisei Kajita, Ryo Nojima, Kazuto Ogawa, Go Ohtake

J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl., 2022

Short Lattice Signature Scheme with Tighter Reduction under Ring-SIS Assumption.

Kaisei Kajita, Go Ohtake, Kazuto Ogawa, Koji Nuida, Tsuyoshi Takagi

IACR Cryptol. ePrint Arch., 2022

Membership Privacy for Asynchronous Group Messaging.

Keita Emura, Kaisei Kajita, Ryo Nojima, Kazuto Ogawa, Go Ohtake

Proceedings of the Information Security Applications - 23rd International Conference, 2022

Private Set Intersection for Viewing History with Efficient Data Matching.

Kaisei Kajita, Go Ohtake

Proceedings of the HCI International 2022 Posters, 2022

2021

Privacy-Preserving System for Enriched-Integrated Service.

Kaisei Kajita, Go Ohtake, Kazuto Ogawa

IEICE Trans. Inf. Syst., 2021

2020

Sharing Same Elements in User Viewing History Data Securely Through Private Set Intersection Under User-centric Data Control.

Shuhei Taguchi, Chigusa Yamamura, Hisayuki Ohmata, Daisuke Sekine, Kaisei Kajita, Arisa Fujii

Proceedings of the ACM International Conference on Interactive Media Experiences. IMX 2020, 2020

Short Lattice Signatures in the Standard Model with Efficient Tag Generation.

Kaisei Kajita, Kazuto Ogawa, Koji Nuida, Tsuyoshi Takagi

Proceedings of the Provable and Practical Security - 14th International Conference, ProvSec 2020, Singapore, November 29, 2020

2019

Privacy Preserving System for Real-Time Enriched-Integrated Service with Feedback to Providers.

Kaisei Kajita, Kazuto Ogawa, Go Ohtake

Proceedings of the HCI for Cybersecurity, Privacy and Trust, 2019

2017

A Constant-Size Signature Scheme with Tighter Reduction from CDH Assumption.

Kaisei Kajita, Kazuto Ogawa, Eiichiro Fujisaki

Proceedings of the Information Security - 20th International Conference, 2017