Kaisei Kajita

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

Kazuto Ogawa, Eiichiro Fujisaki, Kaisei Kajita, 2020, IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences.

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

Kazuto Ogawa, Go Ohtake, Kaisei Kajita, 2019, HCI.

Privacy-Preserving System for Enriched-Integrated Service

Kazuto Ogawa, Go Ohtake, Kaisei Kajita, 2021, IEICE Trans. Inf. Syst..

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

Kazuto Ogawa, Eiichiro Fujisaki, Kaisei Kajita, 2020, IACR Cryptol. ePrint Arch..

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

K. Emura, G. Ohtake, Kaisei Kajita, 2023, IACR Cryptol. ePrint Arch..