Hiraku Morita

According to our database, Hiraku Morita authored at least 19 papers between 2008 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Constant-Round Private Decision Tree Evaluation for Secret Shared Data.

Nan Cheng, Naman Gupta, Aikaterini Mitrokotsa, Hiraku Morita, Kazunari Tozawa

Proc. Priv. Enhancing Technol., January, 2024

2023

Single-Shuffle Card-Based Protocol with Eight Cards per Gate.

Kazunari Tozawa, Hiraku Morita, Takaaki Mizuki

Proceedings of the Unconventional Computation and Natural Computation, 2023

2022

Adam in Private: Secure and Fast Training of Deep Neural Networks with Adaptive Moment Estimation.

Nuttapong Attrapadung, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Takahiro Matsuda, Ibuki Mishina, Hiraku Morita, Jacob C. N. Schuldt

Proc. Priv. Enhancing Technol., 2022

Secure Parallel Computation on Privately Partitioned Data and Applications.

Nuttapong Attrapadung, Hiraku Morita, Kazuma Ohara, Jacob C. N. Schuldt, Tadanori Teruya, Kazunari Tozawa

Proceedings of the 2022 ACM SIGSAC Conference on Computer and Communications Security, 2022

Memory and Round-Efficient MPC Primitives in the Pre-Processing Model from Unit Vectorization.

Nuttapong Attrapadung, Hiraku Morita, Kazuma Ohara, Jacob C. N. Schuldt, Kazunari Tozawa

Proceedings of the ASIA CCS '22: ACM Asia Conference on Computer and Communications Security, Nagasaki, Japan, 30 May 2022, 2022

2021

Oblivious Linear Group Actions and Applications.

Nuttapong Attrapadung, Goichiro Hanaoka, Takahiro Matsuda, Hiraku Morita, Kazuma Ohara, Jacob C. N. Schuldt, Tadanori Teruya, Kazunari Tozawa

Proceedings of the CCS '21: 2021 ACM SIGSAC Conference on Computer and Communications Security, Virtual Event, Republic of Korea, November 15, 2021

2020

Constant-Round Client-Aided Two-Server Secure Comparison Protocol and Its Applications.

Hiraku Morita, Nuttapong Attrapadung, Tadanori Teruya, Satsuya Ohata, Koji Nuida, Goichiro Hanaoka

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2020

2019

Client-Aided Two-Party Secure Interval Test Protocol.

Hiraku Morita, Nuttapong Attrapadung

Proceedings of the Cryptology and Network Security - 18th International Conference, 2019

2018

Accuracy/Efficiency Trade-Off for Privacy-Preserving Division Protocol.

Satsuya Ohata, Hiraku Morita, Goichiro Hanaoka

Proceedings of the International Symposium on Information Theory and Its Applications, 2018

Secure Division Protocol and Applications to Privacy-preserving Chi-squared Tests.

Hiraku Morita, Nuttapong Attrapadung, Satsuya Ohata, Koji Nuida, Shota Yamada, Kana Shimizu, Goichiro Hanaoka, Kiyoshi Asai

Proceedings of the International Symposium on Information Theory and Its Applications, 2018

Tree-based Secure Comparison of Secret Shared Data.

Hiraku Morita, Nuttapong Attrapadung, Satsuya Ohata, Shota Yamada, Koji Nuida, Goichiro Hanaoka

Proceedings of the International Symposium on Information Theory and Its Applications, 2018

Constant-Round Client-Aided Secure Comparison Protocol.

Hiraku Morita, Nuttapong Attrapadung, Tadanori Teruya, Satsuya Ohata, Koji Nuida, Goichiro Hanaoka

Proceedings of the Computer Security, 2018

2017

On the Security of Schnorr Signatures, DSA, and ElGamal Signatures against Related-Key Attacks.

Hiraku Morita, Jacob C. N. Schuldt, Takahiro Matsuda, Goichiro Hanaoka, Tetsu Iwata

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017

On the Security of Non-Interactive Key Exchange against Related-Key Attacks.

Hiraku Morita, Jacob C. N. Schuldt, Takahiro Matsuda, Goichiro Hanaoka, Tetsu Iwata

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2017

2015

On the Security of the Schnorr Signature Scheme and DSA against Related-Key Attacks.

Hiraku Morita, Jacob C. N. Schuldt, Takahiro Matsuda, Goichiro Hanaoka, Tetsu Iwata

IACR Cryptol. ePrint Arch., 2015

2013

Attacks and Security Proofs of EAX-Prime.

Kazuhiko Minematsu, Stefan Lucks, Hiraku Morita, Tetsu Iwata

Proceedings of the Fast Software Encryption - 20th International Workshop, 2013

2012

Cryptanalysis of EAXprime.

Kazuhiko Minematsu, Hiraku Morita, Tetsu Iwata

IACR Cryptol. ePrint Arch., 2012

2011

Mining personal experiences and opinions from Web documents.

Shuya Abe, Kentaro Inui, Kazuo Hara, Hiraku Morita, Chitose Sao, Megumi Eguchi, Asuka Sumida, Koji Murakami, Suguru Matsuyoshi

Web Intell. Agent Syst., 2011

2008

Experience Mining: Building a Large-Scale Database of Personal Experiences and Opinions from Web Documents.

Kentaro Inui, Shuya Abe, Kazuo Hara, Hiraku Morita, Chitose Sao, Megumi Eguchi, Asuka Sumida, Koji Murakami, Suguru Matsuyoshi

Proceedings of the 2008 IEEE / WIC / ACM International Conference on Web Intelligence, 2008