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All Technical Committee Conferences (Searched in: Recent 10 Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WBS, ISEC, IT, RCC | 2025-03-05 14:30 |
Osaka | Nakanoshima Center, Osaka University (Osaka) | [Invited Talk]
Security analysis for modern cryptography based on mathematical approach Noboru Kunihiro (Univ. of Tsukuba) |
[more] | |
| EMM, BioX, ISEC, SITE, ICSS, HWS, IPSJ-CSEC, IPSJ-SPT [detail] | 2024-07-22 14:15 |
Hokkaido | Sapporo Convention Center (Hokkaido) | Improving Ryan and Heninger's Attack on MEGA Naoki Shimoe, Noboru Kunihiro (Univ. of Tsukuba)  ISEC2024-11 SITE2024-8 BioX2024-21 HWS2024-11 ICSS2024-15 EMM2024-17 |
Backendal et al. (IEEE S&P 2023), Ryan and Heninger (PKC2023), and Albrecht et al. (Eurocrypt2023) showed that RSA priva... [more] | ISEC2024-11 SITE2024-8 BioX2024-21 HWS2024-11 ICSS2024-15 EMM2024-17 pp.23-30 |
| QIT (2nd) |
2023-12-17 17:30 |
Okinawa | OIST (Okinawa, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Improvement of Quantum Read-only Memory and its Application to Resource Evaluation for Factoring Small Integers on NISQ Devices Kiyonari Katsura, Noboru Kunihiro (Tsukuba Univ.) |
The discovery of Shor's algorithm for integer factorization has revealed the potential vulnerability of current cryptogr... [more] | |
| EMM, BioX, ISEC, SITE, ICSS, HWS, IPSJ-CSEC, IPSJ-SPT [detail] | 2023-07-24 18:20 |
Hokkaido | Hokkaido Jichiro Kaikan (Hokkaido) | Implementation of Shor's algorithm for the discrete logarithm problem and experiments using the quantum computer simulator Kaito Kishi, Junpei Yamaguchi, Tetsuya Izu (Fujitsu Research), Noboru Kunihiro (Univ. of Tsukuba) ISEC2023-32 SITE2023-26 BioX2023-35 HWS2023-32 ICSS2023-29 EMM2023-32 |
Classical polynomial-time algorithms for solving the discrete logarithm problem (DLP) over a prime field have not been f... [more] | ISEC2023-32 SITE2023-26 BioX2023-35 HWS2023-32 ICSS2023-29 EMM2023-32 pp.119-126 |
| QIT (2nd) |
2023-05-30 14:50 |
Kyoto | Katsura Campus, Kyoto University (Kyoto) | Efficient Fault-Tolerant Approximate Quantum Fourier Transform by Precomputed Quantum States Kento Oonishi (MELCO), Noboru Kunihiro (UTsukuba) |
This paper proposes efficient approximate quantum Fourier transformunder fault-tolerant setting. Quantum Fourier transfo... [more] | |
| RCC, ISEC, IT, WBS | 2023-03-14 09:50 |
Yamaguchi | (Yamaguchi, Online) (Primary: On-site, Secondary: Online) |
Full key recovery of RSA secret key from noisy binary GCD operation sequences Kenta Tani, Noboru Kunihiro (Univ. of Tsukuba) IT2022-74 ISEC2022-53 WBS2022-71 RCC2022-71 |
In CHES2019, Aldaya et al. reported a vulnerability of the binary GCD algorithm used in RSA key generation in OpenSSL.Fu... [more] | IT2022-74 ISEC2022-53 WBS2022-71 RCC2022-71 pp.41-48 |
| QIT (2nd) |
2022-12-09 17:45 |
Kanagawa | Keio Univ. (Kanagawa, Online) (Primary: On-site, Secondary: Online) |
Success probability of quantum phase estimation algorithms using approximate quantum Fourier transforms Kiyonari Katsura, Noboru Kunihiro (Tsukuba Univ.) |
It is known that the RSA can be solved in realistic time by Shor's algorithm with the large-scale quantum computer. In o... [more] | |
| QIT (2nd) |
2022-12-09 18:00 |
Kanagawa | Keio Univ. (Kanagawa, Online) (Primary: On-site, Secondary: Online) |
Shor's Algorithm Using Efficient Approximate Quantum Fourier Transform Kento Oonishi (MELCO), Noboru Kunihiro (UTsukuba) |
Shor's algorithm solves the integer factoring and the discrete logarithm problems in polynomial time. Therefore, the eva... [more] | |
| QIT (2nd) |
2019-11-19 16:00 |
Tokyo | Gakushuin University (Tokyo) | Proposal of Efficient Quantum Modular Addition Circuit and its Implementation Kento Oonishi (UTokyo/ Keio Univ.), Tomoki Tanaka (MUFG/ MUFG Bank/ Keio Univ.), Shumpei Uno (MHIR/ Keio Univ.), Naoki Yamamoto (Keio Univ.), Noboru Kunihiro (Tsukuba Univ.) |
In this paper, we propose more efficient quantum addition and modular addition circuits and estimate the number of quant... [more] | |
| ISEC, SITE, ICSS, EMM, HWS, BioX, IPSJ-CSEC, IPSJ-SPT [detail] | 2019-07-23 14:25 |
Kochi | Kochi University of Technology (Kochi) | New Quantum Algorithms for Modular Inverse and Their Application on the Elliptic Curve Discrete Logarithm Problem Ryo Kurama (Univ. of Tokyo), Noboru Kunihiro (Tsukuba Univ.) ISEC2019-24 SITE2019-18 BioX2019-16 HWS2019-19 ICSS2019-22 EMM2019-27 |
[more] | ISEC2019-24 SITE2019-18 BioX2019-16 HWS2019-19 ICSS2019-22 EMM2019-27 pp.119-124 |
| ISEC | 2019-05-17 10:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo) | [Invited Talk]
Attacking Noisy Secret CRT-RSA Exponents in Binary Method (from ICISC 2018) Kento Oonishi, Noboru Kunihiro (UTokyo) ISEC2019-2 |
In this presentation, we give a security evaluation on the RSA encryption scheme with the Chinese remainder theorem (CRT... [more] | ISEC2019-2 p.3 |
| IT, ISEC, WBS | 2019-03-08 15:20 |
Tokyo | University of Electro-Communications (Tokyo) | Key Reocvery Atttack on Ring-LWE Scheme Using Side-Channel Information in Number Theoretic Transform Kento Oonishi, Noboru Kunihiro (Tokyo Univ.) IT2018-112 ISEC2018-118 WBS2018-113 |
Recently, the researches of post-quantum cryptography are conducted because of the realization of quantum computers in t... [more] | IT2018-112 ISEC2018-118 WBS2018-113 pp.229-234 |
| QIT (2nd) |
2018-11-27 15:30 |
Tokyo | The University of Tokyo (Tokyo) | A Survey on Physical Experiments for Integer Factoring based on Shor's Algorithm Noboru Kunihiro (UTokyo) |
[more] | |
| HWS, ISEC, SITE, ICSS, EMM, IPSJ-CSEC, IPSJ-SPT [detail] | 2018-07-25 15:50 |
Hokkaido | Sapporo Convention Center (Hokkaido) | Extended Partial Key Exposure Attacks on RSA Kaichi Suzuki, Atsushi Takayasu, Noboru Kunihiro (Univ. of Tokyo) ISEC2018-29 SITE2018-21 HWS2018-26 ICSS2018-32 EMM2018-28 |
Thus far, emph{partial key exposure attacks} on RSA, i.e., attackers are given the most significant bits (MSBs) emph{or}... [more] | ISEC2018-29 SITE2018-21 HWS2018-26 ICSS2018-32 EMM2018-28 pp.155-162 |
| HWS, ISEC, SITE, ICSS, EMM, IPSJ-CSEC, IPSJ-SPT [detail] | 2018-07-26 14:35 |
Hokkaido | Sapporo Convention Center (Hokkaido) | The Precise Security Analysis of Block Ciphers Enhanced by FX-Construction against a Quantum Algorithm Syo Yasui, Noboru Kunihiro (UTokyo) ISEC2018-47 SITE2018-39 HWS2018-44 ICSS2018-50 EMM2018-46 |
[more] | ISEC2018-47 SITE2018-39 HWS2018-44 ICSS2018-50 EMM2018-46 pp.371-378 |
| LOIS, ISEC, SITE | 2017-11-10 15:10 |
Kyoto | (Kyoto) | Lattice Attacks on Elliptic Curve Diffie-Hellman key exchange Sota Onozawa (The Univ. of Tokyo), Atsushi Takayasu (The Univ. of Tokyo/AIST), Noboru Kunihiro (The Univ. of Tokyo) ISEC2017-69 SITE2017-51 LOIS2017-46 |
Boneh and Venkatesan (Crypto’96) introduced the hidden number problem (HNP) to study the security of Diffie-Hellman key... [more] | ISEC2017-69 SITE2017-51 LOIS2017-46 pp.115-122 |
| SITE, EMM, ISEC, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] | 2017-07-14 15:45 |
Tokyo | (Tokyo) | Recovering CRT-RSA Secret Keys Using the Information of the Operations Based on 2^m-ary Method. Kento Oonishi, Noboru Kunihiro (Univ. of Tokyo) ISEC2017-22 SITE2017-14 ICSS2017-21 EMM2017-25 |
In side channel attacks, the secret keys are obtained from physical data in the implementation of the cryptosystem. For ... [more] | ISEC2017-22 SITE2017-14 ICSS2017-21 EMM2017-25 pp.107-114 |
| ISEC, WBS, IT | 2017-03-09 14:00 |
Tokyo | TOKAI University (Tokyo) | Security Analysis of Ordinary Isogeny Diffie--Hellman Satoshi Furukawa, Atsushi Takayasu, Noboru Kunihiro (The Univ. of Tokyo) IT2016-104 ISEC2016-94 WBS2016-80 |
In this paper, we analyze the security of Ordinary Isogeny Diffie--Hellman (OIDH) key exchange proposed by Stolbunov (Ad... [more] | IT2016-104 ISEC2016-94 WBS2016-80 pp.33-40 |
| COMP, ISEC | 2016-12-22 12:30 |
Hiroshima | Hiroshima University (Hiroshima) | [Invited Talk]
Adversary-dependent Lossy Trapdoor Function from Hardness of Factoring Semi-smooth RSA Subgroup Takashi Yamakawa (UT), Shota Yamada, Goichiro Hanaoka (AIST), Noboru Kunihiro (UT) ISEC2016-83 COMP2016-44 |
[more] | ISEC2016-83 COMP2016-44 p.73 |
| EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] | 2016-07-15 13:25 |
Yamaguchi | (Yamaguchi) | Worst Case Short Lattice Point Enumeration on Block Reduced Bases Atsushi Takayasu, Noboru Kunihiro (Univ. Tokyo) ISEC2016-33 SITE2016-27 ICSS2016-33 EMM2016-41 |
(To be available after the conference date) [more] | ISEC2016-33 SITE2016-27 ICSS2016-33 EMM2016-41 pp.177-184 |
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