Kaisei Kajita

Publication Activity (10 Years)

Years Active: 2017-2024
Publications (10 Years): 18

Top Topics

Set Intersection

Privacy Preserving

Signature Scheme

Designated Verifier

Top Venues

IACR Cryptol. ePrint Arch.

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

IEICE Trans. Inf. Syst.

Publications

Kaisei Kajita, Go Ohtake, Tsuyoshi Takagi
Generalized Adaptor Signature Scheme: From Two-Party to N-Party Settings. IACR Cryptol. ePrint Arch. 2024 (2024)
Kaisei Kajita, Kinji Matsumura, Go Ohtake
Privacy-Preserving Data Management and Provision System for Personal Data Store. HCI (45) (2023)
Kaisei Kajita, Go Ohtake, Kazuto Ogawa, Koji Nuida, Tsuyoshi Takagi
Short Lattice Signature Scheme with Tighter Reduction under Ring-SIS Assumption. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 106 (3) (2023)
Kaisei Kajita, Keita Emura, Kazuto Ogawa, Ryo Nojima, Go Ohtake
Continuous Group Key Agreement with Flexible Authorization and Its Applications. IWSPA@CODASPY (2023)
Keita Emura, Kaisei Kajita, Go Ohtake
Outsider-Anonymous Broadcast Encryption with Keyword Search: Generic Construction, CCA Security, and with Sublinear Ciphertexts. IACR Cryptol. ePrint Arch. 2023 (2023)
Keita Emura, Kaisei Kajita, Ryo Nojima, Kazuto Ogawa, Go Ohtake
Membership Privacy for Asynchronous Group Messaging. IACR Cryptol. ePrint Arch. 2022 (2022)
Keita Emura, Kaisei Kajita, Ryo Nojima, Kazuto Ogawa, Go Ohtake
Membership Privacy for Asynchronous Group Messaging. WISA (2022)
Kaisei Kajita, Go Ohtake
Private Set Intersection for Viewing History with Efficient Data Matching. HCI (40) (2022)
Keita Emura, Kaisei Kajita, Ryo Nojima, Kazuto Ogawa, Go Ohtake
Providing Membership Privacy to the Asynchronous Ratcheting Trees Protocol without losing Scalability. J. Wirel. Mob. Networks Ubiquitous Comput. Dependable Appl. 13 (4) (2022)
Kaisei Kajita, Go Ohtake, Kazuto Ogawa, Koji Nuida, Tsuyoshi Takagi
Short Lattice Signature Scheme with Tighter Reduction under Ring-SIS Assumption. IACR Cryptol. ePrint Arch. 2022 (2022)
Kaisei Kajita, Keita Emura, Kazuto Ogawa, Ryo Nojima, Go Ohtake
Continuous Group Key Agreement with Flexible Authorization and Its Applications. IACR Cryptol. ePrint Arch. 2022 (2022)
Kaisei Kajita, Go Ohtake, Kazuto Ogawa
Privacy-Preserving System for Enriched-Integrated Service. IEICE Trans. Inf. Syst. (5) (2021)
Kaisei Kajita, Kazuto Ogawa, Koji Nuida, Tsuyoshi Takagi
Short Lattice Signatures in the Standard Model with Efficient Tag Generation. ProvSec (2020)
Kaisei Kajita, Kazuto Ogawa, Eiichiro Fujisaki
A Constant-Size Signature Scheme with a Tighter Reduction from the CDH Assumption. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2020)
Shuhei Taguchi, Chigusa Yamamura, Hisayuki Ohmata, Daisuke Sekine, Kaisei Kajita, Arisa Fujii
Sharing Same Elements in User Viewing History Data Securely Through Private Set Intersection Under User-centric Data Control. IMX (2020)
Kaisei Kajita, Kazuto Ogawa, Go Ohtake
Privacy Preserving System for Real-Time Enriched-Integrated Service with Feedback to Providers. HCI (29) (2019)
Kaisei Kajita, Kazuto Ogawa, Eiichiro Fujisaki
A Constant-Size Signature Scheme with a Tighter Reduction from the CDH Assumption. IACR Cryptol. ePrint Arch. 2017 (2017)
Kaisei Kajita, Kazuto Ogawa, Eiichiro Fujisaki
A Constant-Size Signature Scheme with Tighter Reduction from CDH Assumption. ISC (2017)