Hiraku Morita

Publication Activity (10 Years)

Years Active: 2008-2024
Publications (10 Years): 18

Top Topics

Homomorphic Encryption

Signature Scheme

Partitioned Data

Top Venues

IACR Cryptol. ePrint Arch.

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

Publications

Nan Cheng, Naman Gupta, Aikaterini Mitrokotsa, Hiraku Morita, Kazunari Tozawa
Constant-Round Private Decision Tree Evaluation for Secret Shared Data. Proc. Priv. Enhancing Technol. 2024 (1) (2024)
Hiraku Morita, Erik Pohle, Kunihiko Sadakane, Peter Scholl, Kazunari Tozawa, Daniel Tschudi
MAESTRO: Multi-party AES using Lookup Tables. IACR Cryptol. ePrint Arch. 2024 (2024)
Kazunari Tozawa, Hiraku Morita, Takaaki Mizuki
Single-Shuffle Card-Based Protocol with Eight Cards per Gate. UCNC (2023)
Nan Cheng, Naman Gupta, Aikaterini Mitrokotsa, Hiraku Morita, Kazunari Tozawa
Constant-Round Private Decision Tree Evaluation for Secret Shared Data. IACR Cryptol. ePrint Arch. 2023 (2023)
Nuttapong Attrapadung, Hiraku Morita, Kazuma Ohara, Jacob C. N. Schuldt, Tadanori Teruya, Kazunari Tozawa
Secure Parallel Computation on Privately Partitioned Data and Applications. CCS (2022)
Nuttapong Attrapadung, Hiraku Morita, Kazuma Ohara, Jacob C. N. Schuldt, Kazunari Tozawa
Memory and Round-Efficient MPC Primitives in the Pre-Processing Model from Unit Vectorization. AsiaCCS (2022)
Nuttapong Attrapadung, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Takahiro Matsuda, Ibuki Mishina, Hiraku Morita, Jacob C. N. Schuldt
Adam in Private: Secure and Fast Training of Deep Neural Networks with Adaptive Moment Estimation. Proc. Priv. Enhancing Technol. 2022 (4) (2022)
Nuttapong Attrapadung, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Takahiro Matsuda, Ibuki Mishina, Hiraku Morita, Jacob C. N. Schuldt
Adam in Private: Secure and Fast Training of Deep Neural Networks with Adaptive Moment Estimation. IACR Cryptol. ePrint Arch. 2021 (2021)
Nuttapong Attrapadung, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Takahiro Matsuda, Ibuki Mishina, Hiraku Morita, Jacob C. N. Schuldt
Adam in Private: Secure and Fast Training of Deep Neural Networks with Adaptive Moment Estimation. CoRR (2021)
Nuttapong Attrapadung, Goichiro Hanaoka, Takahiro Matsuda, Hiraku Morita, Kazuma Ohara, Jacob C. N. Schuldt, Tadanori Teruya, Kazunari Tozawa
Oblivious Linear Group Actions and Applications. CCS (2021)
Hiraku Morita, Nuttapong Attrapadung, Tadanori Teruya, Satsuya Ohata, Koji Nuida, Goichiro Hanaoka
Constant-Round Client-Aided Two-Server Secure Comparison Protocol and Its Applications. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2020)
Hiraku Morita, Nuttapong Attrapadung
Client-Aided Two-Party Secure Interval Test Protocol. CANS (2019)
Hiraku Morita, Nuttapong Attrapadung, Tadanori Teruya, Satsuya Ohata, Koji Nuida, Goichiro Hanaoka
Constant-Round Client-Aided Secure Comparison Protocol. ESORICS (2) (2018)
Hiraku Morita, Nuttapong Attrapadung, Satsuya Ohata, Shota Yamada, Koji Nuida, Goichiro Hanaoka
Tree-based Secure Comparison of Secret Shared Data. ISITA (2018)
Satsuya Ohata, Hiraku Morita, Goichiro Hanaoka
Accuracy/Efficiency Trade-Off for Privacy-Preserving Division Protocol. ISITA (2018)
Hiraku Morita, Nuttapong Attrapadung, Satsuya Ohata, Koji Nuida, Shota Yamada, Kana Shimizu, Goichiro Hanaoka, Kiyoshi Asai
Secure Division Protocol and Applications to Privacy-preserving Chi-squared Tests. ISITA (2018)
Hiraku Morita, Jacob C. N. Schuldt, Takahiro Matsuda, Goichiro Hanaoka, Tetsu Iwata
On the Security of Schnorr Signatures, DSA, and ElGamal Signatures against Related-Key Attacks. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2017)
Hiraku Morita, Jacob C. N. Schuldt, Takahiro Matsuda, Goichiro Hanaoka, Tetsu Iwata
On the Security of Non-Interactive Key Exchange against Related-Key Attacks. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (9) (2017)
Hiraku Morita, Jacob C. N. Schuldt, Takahiro Matsuda, Goichiro Hanaoka, Tetsu Iwata
On the Security of the Schnorr Signature Scheme and DSA Against Related-Key Attacks. ICISC (2015)
Hiraku Morita, Jacob C. N. Schuldt, Takahiro Matsuda, Goichiro Hanaoka, Tetsu Iwata
On the Security of the Schnorr Signature Scheme and DSA against Related-Key Attacks. IACR Cryptol. ePrint Arch. 2015 (2015)
Kazuhiko Minematsu, Stefan Lucks, Hiraku Morita, Tetsu Iwata
Attacks and Security Proofs of EAX-Prime. FSE (2013)
Kazuhiko Minematsu, Hiraku Morita, Tetsu Iwata
Cryptanalysis of EAXprime. IACR Cryptol. ePrint Arch. 2012 (2012)
Shuya Abe, Kentaro Inui, Kazuo Hara, Hiraku Morita, Chitose Sao, Megumi Eguchi, Asuka Sumida, Koji Murakami, Suguru Matsuyoshi
Mining personal experiences and opinions from Web documents. Web Intell. Agent Syst. 9 (2) (2011)
Kentaro Inui, Shuya Abe, Kazuo Hara, Hiraku Morita, Chitose Sao, Megumi Eguchi, Asuka Sumida, Koji Murakami, Suguru Matsuyoshi
Experience Mining: Building a Large-Scale Database of Personal Experiences and Opinions from Web Documents. Web Intelligence (2008)