| Oct 01, 2024 | Our new paper titled “A Generic Construction of Deletable Registered Attribute-Based Encryption from Slotted Registered Attribute-Based Encryption” will be presented in a domestic conference CSS 2024. |
| Jul 02, 2024 | Our new paper titled “Security Model for Authenticated Key Exchange, Reconsidered” has been accepted at SCN 2024. |
| Jul 01, 2024 | Our new paper titled “Towards a Tightly Secure Signature in Multi-User Setting with Corruptions Based on Search Assumptions” has been accepted at CFAIL 2024. |
| Jun 19, 2024 | Our new paper titled “How to Apply Fujisaki-Okamoto Transformation to Registration-Based Encryption” has been accepted at CANS 2024. |
| Mar 16, 2024 | I received Seiichi Tejima Ph.D. dissertation award in 2024! |
| Feb 28, 2024 | Our journal article titled “Chosen-Ciphertext Secure Code-Based Threshold Public Key Encryptions with Short Ciphertext” has been published by Designs, Codes and Cryptography. |
| Jan 19, 2024 | I presented four technical reports in SCIS 2024. Especially, I talked about “組み込み機器向けファームウェア更新における脅威抽出と課題提起” and “On the Security of Multi-Designated Verifier Signature”. |
| Jul 20, 2023 | I finally received Grand prize of Tsujii Shigeo Security Award 2023! Thanks for my co-researchers! |
| Mar 31, 2023 | I joined Security Assurance Scheme Research Team in Cyber Physical Security Research Center, National Institute of Advanced Industrial Science and Technology (AIST) as a researcher. |