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ORCIDHiraku Morita
Person information
- affiliation: University of St. Gallen (HSG), School of Computer Science, Switzerland
- affiliation (former): National Institute of Advanced Industrial Science and Technology (AIST), Information Technology Research Institute (ITRI), Tsukuba, Japan
- affiliation (former, PhD 2017): Nagoya University, Department of Computational Science and Engineering, Nagoya, Japan
- affiliation (former): Nara Institute of Science and Technology (NAIST), Ikoma, Japan
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2020 – today
- 2024
[j6]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): 397-412 (2024)- [i6]Hiraku Morita, Erik Pohle, Kunihiko Sadakane, Peter Scholl, Kazunari Tozawa, Daniel Tschudi:
MAESTRO: Multi-party AES using Lookup Tables. IACR Cryptol. ePrint Arch. 2024: 1317 (2024) - 2023
- [c12]Kazunari Tozawa, Hiraku Morita, Takaaki Mizuki:
Single-Shuffle Card-Based Protocol with Eight Cards per Gate. UCNC 2023: 171-185 - [i5]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: 1307 (2023) - 2022
- [j5]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): 746-767 (2022) - [c11]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: 858-872 - [c10]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: 151-164 - 2021
- [c9]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: 630-650 - [i4]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 abs/2106.02203 (2021) - [i3]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: 736 (2021) - 2020
- [j4]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. 103-A(1): 21-32 (2020)
2010 – 2019
- 2019
- [c8]Hiraku Morita, Nuttapong Attrapadung:
Client-Aided Two-Party Secure Interval Test Protocol. CANS 2019: 328-343 - 2018
- [c7]Hiraku Morita, Nuttapong Attrapadung, Tadanori Teruya, Satsuya Ohata, Koji Nuida, Goichiro Hanaoka:
Constant-Round Client-Aided Secure Comparison Protocol. ESORICS (2) 2018: 395-415 - [c6]Hiraku Morita, Nuttapong Attrapadung, Satsuya Ohata, Shota Yamada, Koji Nuida, Goichiro Hanaoka:
Tree-based Secure Comparison of Secret Shared Data. ISITA 2018: 525-529 - [c5]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: 530-534 - [c4]Satsuya Ohata, Hiraku Morita, Goichiro Hanaoka:
Accuracy/Efficiency Trade-Off for Privacy-Preserving Division Protocol. ISITA 2018: 535-539 - 2017
- [j3]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. 100-A(1): 73-90 (2017) - [j2]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. 100-A(9): 1910-1923 (2017) - 2015
- [c3]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: 20-35 - [i2]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: 1135 (2015) - 2013
- [c2]Kazuhiko Minematsu, Stefan Lucks, Hiraku Morita, Tetsu Iwata:
Attacks and Security Proofs of EAX-Prime. FSE 2013: 327-347 - 2012
- [i1]Kazuhiko Minematsu, Hiraku Morita, Tetsu Iwata:
Cryptanalysis of EAXprime. IACR Cryptol. ePrint Arch. 2012: 18 (2012) - 2011
- [j1]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): 109-121 (2011)
2000 – 2009
- 2008
- [c1]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: 314-321
Coauthor Index
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