| 2025 | HCI | Design and Evaluation of User Interface for Server-Aided In-Brain Signature - for Server-Aided In-Brain Signature. | Ryunosuke Harada, Wataru Hatakeyama, Sena Enomoto, Kakeru Hasegawa, Toi Tomita, Kenta Takahashi, Wakaha Ogata, Masakatsu Nishigaki |
| 2024 | SCN | Security Model for Authenticated Key Exchange, Reconsidered. | Xichen Zhang, Keitaro Hashimoto, Wakaha Ogata |
| 2019 | ACISP | Efficient Secure Multi-Party Protocols for Decision Tree Classification. | Atsunori Ichikawa, Wakaha Ogata, Koki Hamada, Ryo Kikuchi |
| 2019 | IWSEC | CCA-Secure Leakage-Resilient Identity-Based Key-Encapsulation from Simple (Not \mathtt q -type) Assumptions. | Toi Tomita, Wakaha Ogata, Kaoru Kurosawa |
| 2017 | FC | Efficient No-dictionary Verifiable Searchable Symmetric Encryption. | Wakaha Ogata, Kaoru Kurosawa |
| 2015 | IWSEC | Improvement of UC Secure Searchable Symmetric Encryption Scheme. | Shunsuke Taketani, Wakaha Ogata |
| 2013 | IWSEC | Toward Practical Searchable Symmetric Encryption. | Wakaha Ogata, Keita Koiwa, Akira Kanaoka, Shin'ichiro Matsuo |
| 2010 | ProvSec | A Framework for Constructing Convertible Undeniable Signatures. | Ryo Kikuchi, Le Trieu Phong, Wakaha Ogata |
| 2010 | SCN | Provably Secure Convertible Undeniable Signatures with Unambiguity. | Le Trieu Phong, Kaoru Kurosawa, Wakaha Ogata |
| 2009 | IWSEC | A Proposal of Efficient Remote Biometric Authentication Protocol. | Taiki Sakashita, Yoichi Shibata, Takumi Yamamoto, Kenta Takahashi, Wakaha Ogata, Hiroaki Kikuchi, Masakatsu Nishigaki |
| 2008 | ACISP | Relationship between Two Approaches for Defining the Standard Model PA-ness. | Isamu Teranishi, Wakaha Ogata |
| 2008 | CCS | Stateful identity-based encryption scheme: faster encryption and decryption. | Le Trieu Phong, Hiroto Matsuoka, Wakaha Ogata |
| 2008 | MDAI | Privacy-Preserving Similarity Evaluation and Application to Remote Biometrics Authentication. | Hiroaki Kikuchi, Kei Nagai, Wakaha Ogata, Masakatsu Nishigaki |
| 2008 | SCN | Cramer-Shoup Satisfies a Stronger Plaintext Awareness under a Weaker Assumption. | Isamu Teranishi, Wakaha Ogata |
| 2006 | ASIACRYPT | Relationship Between Standard Model Plaintext Awareness and Message Hiding. | Isamu Teranishi, Wakaha Ogata |
| 2006 | INDOCRYPT | General Conversion for Obtaining Strongly Existentially Unforgeable Signatures. | Isamu Teranishi, Takuro Oyama, Wakaha Ogata |
| 2005 | PKC | The Security of the FDH Variant of Chaum's Undeniable Signature Scheme. | Wakaha Ogata, Kaoru Kurosawa, Swee-Huay Heng |
| 2003 | PODC | Brief announcement: a method for exchanging valuable data: how to realize matching oblivious transfer. | Shin'ichiro Matsuo, Wakaha Ogata |
| 2002 | ASIACRYPT | Bounds for Robust Metering Schemes and Their Relationship with A-code. | Wakaha Ogata, Kaoru Kurosawa |
| 2002 | ESORICS | Bit-Slice Auction Circuit. | Kaoru Kurosawa, Wakaha Ogata |
| 2001 | PKC | IND-CCA Public Key Schemes Equivalent to Factoring n=pq. | Kaoru Kurosawa, Wakaha Ogata, Toshihiko Matsuo, Shuichi Makishima |
| 2000 | ASIACRYPT | Provably Secure Metering Scheme. | Wakaha Ogata, Kaoru Kurosawa |
| 1997 | ICICS | Fault tolerant anonymous channel. | Wakaha Ogata, Kaoru Kurosawa, Kazue Sako, Kazunori Takatani |
| 1996 | EuroCrypt | Optimum Secret Sharing Scheme Secure against Cheating. | Wakaha Ogata, Kaoru Kurosawa |
| 1995 | CRYPTO | t-Cheater Identifiable (k, n) Threshold Secret Sharing Schemes. | Kaoru Kurosawa, Satoshi Obana, Wakaha Ogata |
| 1993 | EuroCrypt | Nonperfect Secret Sharing Schemes and Matroids. | Kaoru Kurosawa, Koji Okada, Keiichi Sakano, Wakaha Ogata, Shigeo Tsujii |
| 1992 | ASIACRYPT | Nonperfect Secret Sharing Schemes. | Wakaha Ogata, Kaoru Kurosawa, Shigeo Tsujii |
| 1991 | ASIACRYPT | On Claw Free Families. | Wakaha Ogata, Kaoru Kurosawa |
| 1990 | EuroCrypt | General Public Key Residue Cryptosystems and Mental Poker Protocols. | Kaoru Kurosawa, Yutaka Katayama, Wakaha Ogata, Shigeo Tsujii |