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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 12 of 12  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCC, ISEC, IT, WBS 2024-03-13
- 2024-03-14
Osaka Osaka Univ. (Suita Campus) Consideration on Definition Field for Efficient Ring-LWE Problem
Rintaro Yamada, Shinya Okumura, Atsuko Miyaji (OU) IT2023-99 ISEC2023-98 WBS2023-87 RCC2023-81
Currently, as one of the candidates for the post-quantum cryptography, there are cryptosystems based on the difficulty o... [more] IT2023-99 ISEC2023-98 WBS2023-87 RCC2023-81
pp.158-165
ICSS 2023-11-16
16:00
Ishikawa IT Business Plaza Musashi and Online
(Primary: On-site, Secondary: Online)
Security Analysis of MP-LWE using Weighted Lattice Reduction
Yudai Tagawa, Shinya Okumura, Atsuko Miyaji (Osaka Univ.) ICSS2023-57
In 2017, Roşca et al. proposed the Middle-Product LWE (MP-LWE) problem, a new LWE problem variant. The MP-LWE problem mi... [more] ICSS2023-57
pp.42-48
RCC, ISEC, IT, WBS 2023-03-14
10:30
Yamaguchi
(Primary: On-site, Secondary: Online)
Security Analysis for Ring-LWE Problem over the Maximal Real and Complex Subfields in Cyclotomic Field
Satoshi Uesugi, Shinya Okumura, Miyaji Atsuko (Osaka Univ) IT2022-75 ISEC2022-54 WBS2022-72 RCC2022-72
The Learning With Errors problem (LWE) is a mathematical problem that supports the security of lattice based cryptograph... [more] IT2022-75 ISEC2022-54 WBS2022-72 RCC2022-72
pp.49-53
RCC, ISEC, IT, WBS 2023-03-14
10:55
Yamaguchi
(Primary: On-site, Secondary: Online)
Safety Analysis for The Post-quantum Module-LWE Problem on Subfield in Cyclotomic Field
Kosuke Tamura, Shinya Okumura, Atsuko Miyaji (OU) IT2022-76 ISEC2022-55 WBS2022-73 RCC2022-73
 [more] IT2022-76 ISEC2022-55 WBS2022-73 RCC2022-73
pp.54-60
RCC, ISEC, IT, WBS 2023-03-14
13:50
Yamaguchi
(Primary: On-site, Secondary: Online)
A Proposal of Defining Fields for Efficient Ring-LWE Based Cryptography
Yuya Okubo, Shinya Okumura (Osaka Univ.), Atsuko Miyaji (Osaka Univ./JAIST) IT2022-91 ISEC2022-70 WBS2022-88 RCC2022-88
Currently, as a post-quantum computer cryptography, cryptography based on the difficulty of solving a mathematical probl... [more] IT2022-91 ISEC2022-70 WBS2022-88 RCC2022-88
pp.142-148
ICSS, IPSJ-SPT 2023-03-13
17:30
Okinawa Okinawaken Seinenkaikan
(Primary: On-site, Secondary: Online)
Expanding Underlying Number Fields Reducing from Module-LWE to Ring-LWE
Sosuke Funatsu, Atsuko Miyaji, Shinya Okumura (OU) ICSS2022-71
We have researched Learning with Errors(LWE) problem and Ring-LWE problem. Module-LWE problem is a version of RLWE probl... [more] ICSS2022-71
pp.139-144
IT, ISEC, RCC, WBS 2022-03-10
14:15
Online Online Reconsideration of Attacks on the Search Ring-LWE Problem by Trace Map on Finite Field
Tomoka Takahashi, Shinya Okumura, Atsuko Miyaji (Osaka Univ.) IT2021-105 ISEC2021-70 WBS2021-73 RCC2021-80
Lattice-based cryptography has attracted a great deal of attention due to the standardization of Post-Quantum Cryptograp... [more] IT2021-105 ISEC2021-70 WBS2021-73 RCC2021-80
pp.130-137
IT, ISEC, RCC, WBS 2022-03-10
14:40
Online Online Crypto Analysis for Ring-LWE Problem on Subfield in Cyclotomic Field
Satoshi Uesugi, Shinya Okumura, Atsuko Miyaji (OU) IT2021-106 ISEC2021-71 WBS2021-74 RCC2021-81
Since the proposal of the quantum computer, steady progress has been made toward its practical use. It has been reported... [more] IT2021-106 ISEC2021-71 WBS2021-74 RCC2021-81
pp.138-144
WBS, IT, ISEC 2021-03-04
11:20
Online Online An Attack on Search Ring-LWE Problem for Even Relative Degree
Yasuhisa Okumura, Shinya Okumura, Atsuko Miyaji (Osaka Univ) IT2020-122 ISEC2020-52 WBS2020-41
The Ring-LWE problem is used to construct homomorphic encryption and has attracted much attention because of its quantum... [more] IT2020-122 ISEC2020-52 WBS2020-41
pp.66-72
ISEC 2016-09-02
13:25
Tokyo Kikai-Shinko-Kaikan Bldg. An Homomorphic Encryption based on some kind of Indeterminate Equations
Koichiro Akiyama (Toshiba), Yasuhiro Goto (HUE), Shinya Okumura (ISIT), Tsuyoshi Takagi (Kyushu Univ.), Koji Nuida, Goichiro Hanaoka (AIST) ISEC2016-43
Authors propose a homomorphic public-key encryption whose security is based on a LWE-like problem related to indetermina... [more] ISEC2016-43
pp.27-34
EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] 2016-07-15
13:50
Yamaguchi   On the Semi-regularity of Polynomial Systems Arising from the Section Finding Problem
Shinya Okumura (ISIT), Koichiro Akiyama (Toshiba), Tsuyoshi Takagi (Kyushu Univ.) ISEC2016-34 SITE2016-28 ICSS2016-34 EMM2016-42
There are no known quantum algorithms, performed in polynomial time, for solving the section finding problem on algebrai... [more] ISEC2016-34 SITE2016-28 ICSS2016-34 EMM2016-42
pp.185-191
ISEC 2016-05-19
13:25
Tokyo Kikai-Shinko-Kaikan Bldg. On the Possibility of Recovering Short Generators over Ideal Lattices for Cyclotomic Fields
Shinya Okumura, Masaya Yasuda, Tsuyoshi Takagi (Kyushu Univ.) ISEC2016-6
Recently, next-generation high-performance cryptography, e.g. post-quantum cryptography, fully homomorphic encryption sc... [more] ISEC2016-6
pp.25-32
 Results 1 - 12 of 12  /   
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