| 2025 | CANS | Group Signatures with Message-Dependent Opening Directly Imply Timed-Release Encryption. | Yuto Imura, Keita Emura |
| 2025 | CANS | On the Relations Between Matchmaking Public Key Encryption and Public Key Authenticated Encryption with Keyword Search. | Takeshi Yoshida, Keita Emura |
| 2024 | ACISP | On the Feasibility of Identity-Based Encryption with Equality Test Against Insider Attacks. | Keita Emura |
| 2024 | ACNS | Generic Construction of Forward Secure Public Key Authenticated Encryption with Keyword Search. | Keita Emura |
| 2024 | SCN | Attribute-Based Keyed Fully Homomorphic Encryption. | Keita Emura, Shingo Sato, Atsushi Takayasu |
| 2023 | ICISSP | An End-to-End Encrypted Cache System with Time-Dependent Access Control. | Keita Emura, Masato Yoshimi |
| 2022 | ACNS | Output Prediction Attacks on Block Ciphers Using Deep Learning. | Hayato Kimura, Keita Emura, Takanori Isobe, Ryoma Ito, Kazuto Ogawa, Toshihiro Ohigashi |
| 2022 | ACNS | Keyed-Fully Homomorphic Encryption Without Indistinguishability Obfuscation. | Shingo Sato, Keita Emura, Atsushi Takayasu |
| 2022 | ProvSec | A Generic Construction of CCA-Secure Attribute-Based Encryption with Equality Test. | Kyoichi Asano, Keita Emura, Atsushi Takayasu, Yohei Watanabe |
| 2022 | WISA | Membership Privacy for Asynchronous Group Messaging. | Keita Emura, Kaisei Kajita, Ryo Nojima, Kazuto Ogawa, Go Ohtake |
| 2021 | ProvSec | Verifiable Functional Encryption Using Intel SGX. | Tatsuya Suzuki, Keita Emura, Toshihiro Ohigashi, Kazumasa Omote |
| 2020 | ISITA | Cache-22: A Highly Deployable Encrypted Cache System. | Keita Emura, Shiho Moriai, Takuma Nakajima, Masato Yoshimi |
| 2019 | CCS | Session details: Invited Talk. | Keita Emura |
| 2019 | CCS | Proper Usage of the Group Signature Scheme in ISO/IEC 20008-2. | Ai Ishida, Yusuke Sakai, Keita Emura, Goichiro Hanaoka, Keisuke Tanaka |
| 2019 | ESORICS | Identity-Based Encryption with Security Against the KGC: A Formal Model and Its Instantiation from Lattices. | Keita Emura, Shuichi Katsumata, Yohei Watanabe |
| 2018 | ISPEC | A Generic Construction of Integrated Secure-Channel Free PEKS and PKE. | Tatsuya Suzuki, Keita Emura, Toshihiro Ohigashi |
| 2018 | SCN | Fully Anonymous Group Signature with Verifier-Local Revocation. | Ai Ishida, Yusuke Sakai, Keita Emura, Goichiro Hanaoka, Keisuke Tanaka |
| 2017 | ACISP | Privacy-Preserving Aggregation of Time-Series Data with Public Verifiability from Simple Assumptions. | Keita Emura |
| 2017 | CCS | Group Signatures with Time-bound Keys Revisited: A New Model and an Efficient Construction. | Keita Emura, Takuya Hayashi, Ai Ishida |
| 2017 | CCS | Mis-operation Resistant Searchable Homomorphic Encryption. | Keita Emura, Takuya Hayashi, Noboru Kunihiro, Jun Sakuma |
| 2017 | ESORICS | Generic Constructions for Fully Secure Revocable Attribute-Based Encryption. | Kotoko Yamada, Nuttapong Attrapadung, Keita Emura, Goichiro Hanaoka, Keisuke Tanaka |
| 2017 | NSS | A Generic Construction of Secure-Channel Free Searchable Encryption with Multiple Keywords. | Keita Emura |
| 2016 | CANS | Group Signature with Deniability: How to Disavow a Signature. | Ai Ishida, Keita Emura, Goichiro Hanaoka, Yusuke Sakai, Keisuke Tanaka |
| 2016 | ISITA | Toward securing tire pressure monitoring systems: A case of PRESENT-based implementation. | Keita Emura, Takuya Hayashi, Shiho Moriai |
| 2016 | TrustCom | On the Leakage Resilient Cryptography in Game-Theoretic Settings. | Mohammad Shahriar Rahman, Keita Emura, Shinsaku Kiyomoto |
| 2015 | ACISP | Dynamic Threshold Public-Key Encryption with Decryption Consistency from Static Assumptions. | Yusuke Sakai, Keita Emura, Jacob C. N. Schuldt, Goichiro Hanaoka, Kazuo Ohta |
| 2015 | ACNS | Accumulable Optimistic Fair Exchange from Verifiably Encrypted Homomorphic Signatures. | Jae Hong Seo, Keita Emura, Keita Xagawa, Kazuki Yoneyama |
| 2015 | CCS | Disavowable Public Key Encryption with Non-interactive Opening. | Ai Ishida, Keita Emura, Goichiro Hanaoka, Yusuke Sakai, Keisuke Tanaka |
| 2015 | COMPSAC | A KEM/DEM-Based Construction for Secure and Anonymous Communication. | Keita Emura, Akira Kanaoka, Satoshi Ohta, Takeshi Takahashi |
| 2015 | IWSEC | Adaptive-ID Secure Revocable Hierarchical Identity-Based Encryption. | Jae Hong Seo, Keita Emura |
| 2015 | TrustCom | Keyword Revocable Searchable Encryption with Trapdoor Exposure Resistance and Re-generateability. | Keita Emura, Le Trieu Phong, Yohei Watanabe |
| 2014 | ACNS | A Revocable Group Signature Scheme from Identity-Based Revocation Techniques: Achieving Constant-Size Revocation List. | Nuttapong Attrapadung, Keita Emura, Goichiro Hanaoka, Yusuke Sakai |
| 2014 | SAC | Building secure and anonymous communication channel: formal model and its prototype implementation. | Keita Emura, Akira Kanaoka, Satoshi Ohta, Takeshi Takahashi |
| 2014 | TrustCom | A Privacy-Enhanced Access Log Management Mechanism in SSO Systems from Nominative Signatures. | Sanami Nakagawa, Keita Emura, Goichiro Hanaoka, Akihisa Kodate, Takashi Nishide, Eiji Okamoto, Yusuke Sakai |
| 2014 | WISTP | A Secure Genetic Algorithm for the Subset Cover Problem and Its Application to Privacy Protection. | Dan Bogdanov, Keita Emura, Roman Jagomgis, Akira Kanaoka, Shin'ichiro Matsuo, Jan Willemson |
| 2013 | CCS | A group signature scheme with unbounded message-dependent opening. | Kazuma Ohara, Yusuke Sakai, Keita Emura, Goichiro Hanaoka |
| 2013 | CCS | Risk visualization and alerting system: architecture and proof-of-concept implementation. | Takeshi Takahashi, Keita Emura, Akira Kanaoka, Shin'ichiro Matsuo, Tadashi Minowa |
| 2013 | COMPSAC | Privacy-Preserving Two-Party k-Means Clustering in Malicious Model. | Rahena Akhter, Rownak Jahan Chowdhury, Keita Emura, Tamzida Islam, Mohammad Shahriar Rahman, Nusrat Rubaiyat |
| 2013 | PKC | Chosen Ciphertext Secure Keyed-Homomorphic Public-Key Encryption. | Keita Emura, Goichiro Hanaoka, Go Ohtake, Takahiro Matsuda, Shota Yamada |
| 2013 | PKC | Revocable Identity-Based Encryption Revisited: Security Model and Construction. | Jae Hong Seo, Keita Emura |
| 2013 | TrustCom | Private Multiparty Set Intersection Protocol in Rational Model. | Keita Emura, Atsuko Miyaji, Mohammad Shahriar Rahman |
| 2012 | AINA | An Intrusion and Random-Number-Leakage Resilient Scheme in Mobile Unattended WSNs. | Tatsuro Iida, Keita Emura, Atsuko Miyaji, Kazumasa Omote |
| 2012 | Pairing | Group Signatures with Message-Dependent Opening. | Yusuke Sakai, Keita Emura, Goichiro Hanaoka, Yutaka Kawai, Takahiro Matsuda, Kazumasa Omote |
| 2012 | PKC | On the Security of Dynamic Group Signatures: Preventing Signature Hijacking. | Yusuke Sakai, Jacob C. N. Schuldt, Keita Emura, Goichiro Hanaoka, Kazuo Ohta |
| 2012 | SCN | Time-Specific Encryption from Forward-Secure Encryption. | Kohei Kasamatsu, Takahiro Matsuda, Keita Emura, Nuttapong Attrapadung, Goichiro Hanaoka, Hideki Imai |
| 2012 | SECRYPT | Constructing Secure-channel Free Searchable Encryption from Anonymous IBE with Partitioned Ciphertext Structure. | Keita Emura, Mohammad Shahriar Rahman |
| 2012 | SECRYPT | Flexible Group Key Exchange with On-demand Computation of Subgroup Keys Supporting Subgroup Key Randomization. | Keita Emura, Takashi Sato |
| 2011 | ACISP | Toward Dynamic Attribute-Based Signcryption (Poster). | Keita Emura, Atsuko Miyaji, Mohammad Shahriar Rahman |
| 2011 | ICICS | Non-interactive Opening for Ciphertexts Encrypted by Shared Keys. | Jiageng Chen, Keita Emura, Atsuko Miyaji |
| 2011 | ICICS | Ideal Secret Sharing Schemes with Share Selectability. | Keita Emura, Atsuko Miyaji, Akito Nomura, Mohammad Shahriar Rahman, Masakazu Soshi |
| 2011 | ICISC | A Revocable Group Signature Scheme with the Property of Hiding the Number of Revoked Users. | Keita Emura, Atsuko Miyaji, Kazumasa Omote |
| 2011 | IWSEC | Towards Restricting Plaintext Space in Public Key Encryption. | Yusuke Sakai, Keita Emura, Goichiro Hanaoka, Yutaka Kawai, Kazumasa Omote |
| 2010 | ADMA | Efficient Privacy-Preserving Data Mining in Malicious Model. | Keita Emura, Atsuko Miyaji, Mohammad Shahriar Rahman |
| 2010 | IWSEC | Group Signature Implies PKE with Non-interactive Opening and Threshold PKE. | Keita Emura, Goichiro Hanaoka, Yusuke Sakai |
| 2010 | ProvSec | An Anonymous Designated Verifier Signature Scheme with Revocation: How to Protect a Company's Reputation. | Keita Emura, Atsuko Miyaji, Kazumasa Omote |
| 2010 | ProvSec | A Timed-Release Proxy Re-encryption Scheme and Its Application to Fairly-Opened Multicast Communication. | Keita Emura, Atsuko Miyaji, Kazumasa Omote |
| 2009 | ISPEC | A Ciphertext-Policy Attribute-Based Encryption Scheme with Constant Ciphertext Length. | Keita Emura, Atsuko Miyaji, Akito Nomura, Kazumasa Omote, Masakazu Soshi |
| 2009 | WISA | A Selectable | Keita Emura, Atsuko Miyaji, Kazumasa Omote |