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ORCIDHiroki Okada 0001
Person information
- affiliation: KDDI Research, Saitama, Japan
- affiliation (former): Kyoto University, Department of Applied Mathematics and Physics, Kyoto, Japan
Other persons with the same name
- Hiroki Okada — disambiguation page
- Hiroki Okada 0002 — University of Electro-Communications, Chōfu, Tokyo, Japan (and 1 more)
- Hiroki Okada 0003 — Osaka University, Department of Information Networking, Suita, Osaka, Japan
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Journal Articles
- 2024
[j7]Toru Nakamura
, Hiroki Okada, Kazuhide Fukushima, Takamasa Isohara:
Private Verification in Multi-stakeholder Environment and its Application to Stable Matching. SN Comput. Sci. 5(3): 309 (2024)- 2022
- [j6]Hiroki Okada, Atsushi Takayasu, Kazuhide Fukushima, Shinsaku Kiyomoto, Tsuyoshi Takagi:
Erratum: A Compact Digital Signature Scheme Based on the Module-LWR Problem [IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences Vol. E104.A (2021), No. 9 pp.1219-1234]. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 105-A(2): 130 (2022) - 2021
- [j5]Shintaro Narisada, Hiroki Okada, Kazuhide Fukushima, Shinsaku Kiyomoto:
Faster Rotation-Based Gauss Sieve for Solving the SVP on General Ideal Lattices. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 104-A(1): 79-88 (2021) - [j4]Hiroki Okada, Atsushi Takayasu, Kazuhide Fukushima, Shinsaku Kiyomoto, Tsuyoshi Takagi:
A Compact Digital Signature Scheme Based on the Module-LWR Problem. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 104-A(9): 1219-1234 (2021) - [j3]Hiroki Okada, Shinsaku Kiyomoto, Carlos Cid:
Integer-Wise Functional Bootstrapping on TFHE: Applications in Secure Integer Arithmetics. Inf. 12(8): 297 (2021) - 2020
- [j2]Hiroki Okada, Atsushi Takayasu, Kazuhide Fukushima, Shinsaku Kiyomoto, Tsuyoshi Takagi:
On the Complexity of the LWR-Solving BKW Algorithm. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 103-A(1): 173-182 (2020) - 2017
- [j1]Hiroki Okada, Ken Umeno:
Randomness Evaluation With the Discrete Fourier Transform Test Based on Exact Analysis of the Reference Distribution. IEEE Trans. Inf. Forensics Secur. 12(5): 1218-1226 (2017)
Conference and Workshop Papers
- 2024
- [c13]Shintaro Narisada, Shusaku Uemura, Hiroki Okada, Hiroki Furue, Yusuke Aikawa, Kazuhide Fukushima:
Solving McEliece-1409 in One Day - Cryptanalysis with the Improved BJMM Algorithm. ISC (2) 2024: 3-23 - 2023
- [c12]Hiroki Okada, Kazuhide Fukushima, Shinsaku Kiyomoto, Tsuyoshi Takagi:
Spherical Gaussian Leftover Hash Lemma via the Rényi Divergence. ACNS (1) 2023: 695-724 - [c11]Hiroki Okada, Rachel Player, Simon Pohmann:
Homomorphic Polynomial Evaluation Using Galois Structure and Applications to BFV Bootstrapping. ASIACRYPT (6) 2023: 69-100 - [c10]Toru Nakamura, Hiroki Okada, Kazuhide Fukushima, Takamasa Isohara:
Achieving Private Verification in Multi-stakeholder Environment and Application to Stable Matching. ICEIS (1) 2023: 768-775 - [c9]Hiroki Okada, Kazuhide Fukushima:
Revisiting the DFT Test in the NIST SP 800-22 Randomness Test Suite. ICISSP 2023: 366-372 - [c8]Hiroki Okada, Kazuhide Fukushima:
SoK: Towards CCA Secure Fully Homomorphic Encryption. SECRYPT 2023: 793-798 - [c7]Shintaro Narisada, Hiroki Okada, Kazuhide Fukushima, Shinsaku Kiyomoto, Takashi Nishide:
GPU Acceleration of High-Precision Homomorphic Computation Utilizing Redundant Representation. WAHC@CCS 2023: 1-9 - 2022
- [c6]Kazuhide Fukushima, Hiroki Okada, Sofiane Takarabt, Amina Korchi, Meziane Hamoud, Khaled Karray, Youssef Souissy, Sylvain Guilley:
Side-channel Analysis and Countermeasure for Implementation of Lattice-based Signature. SECRYPT 2022: 701-706 - 2021
- [c5]Hiroki Okada, Shinsaku Kiyomoto, Carlos Cid:
A Comparison of GKE Protocols based on SIDH. SECRYPT 2021: 507-514 - 2020
- [c4]Hiroki Okada, Atsushi Takayasu, Kazuhide Fukushima, Shinsaku Kiyomoto, Tsuyoshi Takagi:
A Compact Digital Signature Scheme Based on the Module-LWR Problem. ICICS 2020: 73-90 - [c3]Hiroki Okada, Shinsaku Kiyomoto, Carlos Cid:
Integerwise Functional Bootstrapping on TFHE. ISC 2020: 107-125 - 2018
- [c2]Hiroki Okada, Atsushi Takayasu, Kazuhide Fukushima, Shinsaku Kiyomoto, Tsuyoshi Takagi:
On the Complexity of the LWR-Solving BKW Algorithm. ICISC 2018: 196-214 - [c1]Hiroki Okada, Carlos Cid, Seira Hidano, Shinsaku Kiyomoto:
Linear Depth Integer-Wise Homomorphic Division. WISTP 2018: 91-106
Informal and Other Publications
- 2024
- [i10]Hiroki Okada, Tsuyoshi Takagi:
Simulation-Secure Threshold PKE from Standard (Ring-)LWE. IACR Cryptol. ePrint Arch. 2024: 239 (2024) - [i9]Shintaro Narisada, Shusaku Uemura, Hiroki Okada, Hiroki Furue, Yusuke Aikawa, Kazuhide Fukushima:
Revisiting the May-Meurer-Thomae Algorithm - Solving McEliece-1409 in One Day. IACR Cryptol. ePrint Arch. 2024: 393 (2024) - [i8]Shintaro Narisada, Hiroki Okada, Kazuhide Fukushima, Takashi Nishide:
Time-Memory Trade-off Algorithms for Homomorphically Evaluating Look-up Table in TFHE. IACR Cryptol. ePrint Arch. 2024: 1114 (2024) - [i7]Hiroki Okada, Rachel Player, Simon Pohmann, Christian Weinert:
On Algebraic Homomorphic Encryption and its Applications to Doubly-Efficient PIR. IACR Cryptol. ePrint Arch. 2024: 1307 (2024) - 2023
- [i6]Hiroki Okada, Kazuhide Fukushima, Shinsaku Kiyomoto, Tsuyoshi Takagi:
Spherical Gaussian Leftover Hash Lemma via the Rényi Divergence. IACR Cryptol. ePrint Arch. 2023: 479 (2023) - [i5]Hiroki Okada, Rachel Player, Simon Pohmann:
Homomorphic polynomial evaluation using Galois structure and applications to BFV bootstrapping. IACR Cryptol. ePrint Arch. 2023: 1304 (2023) - [i4]Shintaro Narisada, Hiroki Okada, Kazuhide Fukushima, Shinsaku Kiyomoto, Takashi Nishide:
GPU Acceleration of High-Precision Homomorphic Computation Utilizing Redundant Representation. IACR Cryptol. ePrint Arch. 2023: 1467 (2023) - [i3]Hiroki Okada, Rachel Player, Simon Pohmann, Christian Weinert:
Towards Practical Doubly-Efficient Private Information Retrieval. IACR Cryptol. ePrint Arch. 2023: 1510 (2023) - 2021
- [i2]Hiroki Okada, Atsushi Takayasu, Kazuhide Fukushima, Shinsaku Kiyomoto, Tsuyoshi Takagi:
A Compact Digital Signature Scheme Based on the Module-LWR problem. IACR Cryptol. ePrint Arch. 2021: 1699 (2021) - 2017
- [i1]Hiroki Okada, Ken Umeno:
Randomness Evaluation with the Discrete Fourier Transform Test Based on Exact Analysis of the Reference Distribution. CoRR abs/1701.01960 (2017)
Coauthor Index
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