Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SITE, ISEC, HWS, EMM, BioX, IPSJ-CSEC, IPSJ-SPT, ICSS [detail] |
2020-07-20 16:10 |
Online |
Online (Online) |
Short Lattice Signatures in the Standard Model with Efficient Tag Generation and Its Implementation Kaisei Kajita, Go Ohtake, Kazuto Ogawa (NHK), Koji Nuida, Tsuyoshi Takagi (Univ. of Tokyo) ISEC2020-22 SITE2020-19 BioX2020-25 HWS2020-15 ICSS2020-9 EMM2020-19 |
We propose new short signature schemes under the Ring-SIS assumption in the standard model by revisiting an existing con... [more] |
ISEC2020-22 SITE2020-19 BioX2020-25 HWS2020-15 ICSS2020-9 EMM2020-19 pp.53-60 |
ISEC |
2020-05-20 10:45 |
Online |
Online (Online) |
Improved Quantum Information Set Decoding Algorithm with Low Memory Naoto Kimura (Univ. Tokyo), Atsushi Takayasu (NICT), Tsuyoshi Takagi (Univ. Tokyo) ISEC2020-3 |
The security of code-based cryptoststems relates to the hardness of the syndrome decoding problem. The best decoding alg... [more] |
ISEC2020-3 pp.15-22 |
ISEC |
2020-05-20 14:10 |
Online |
Online (Online) |
[Invited Talk]
How to Construct CSIDH on Edwards Curves (from CT-RSA 2020) Tomoki Moriya, Hiroshi Onuki, Tsuyoshi Takagi (UTokyo) ISEC2020-8 |
CSIDH is an isogeny-based key-exchange protocol, that is one of the candidates for post-quantum cryptography. It is base... [more] |
ISEC2020-8 p.31 |
SITE, ISEC, LOIS |
2018-11-04 14:10 |
Fukuoka |
(Fukuoka) |
Time Complexity of Syndrome Decoding Problem and Security Analysis of Code-based Signature Scheme Partha Sarathi Roy (KDDI Research), Kirill Morozov (Univ. of North Texas), Kazuhide Fukushima, Shinsaku Kiyomoto (KDDI Research), Tsuyoshi Takagi (Univ. of Tokyo) ISEC2018-77 SITE2018-55 LOIS2018-37 |
[more] |
ISEC2018-77 SITE2018-55 LOIS2018-37 pp.73-78 |
HWS, ISEC, SITE, ICSS, EMM, IPSJ-CSEC, IPSJ-SPT [detail] |
2018-07-25 10:45 |
Hokkaido |
Sapporo Convention Center (Hokkaido) |
Code-Based Signature Scheme without Trapdoors Partha Sarathi Roy (KDDI Research), Kirill Morozov (Univ. of North Texas), Kazuhide Fukushima, Shinsaku Kiyomoto (KDDI Research), Tsuyoshi Takagi (Univ. of Tokyo) ISEC2018-15 SITE2018-7 HWS2018-12 ICSS2018-18 EMM2018-14 |
[more] |
ISEC2018-15 SITE2018-7 HWS2018-12 ICSS2018-18 EMM2018-14 pp.17-22 |
HWS, ISEC, SITE, ICSS, EMM, IPSJ-CSEC, IPSJ-SPT [detail] |
2018-07-26 14:10 |
Hokkaido |
Sapporo Convention Center (Hokkaido) |
A New Embedding Method for Generalized LWE Weiyao Wang, Yuntao Wang, Atsushi Takayasu, Tsuyoshi Takagi (Univ. Tokyo) ISEC2018-46 SITE2018-38 HWS2018-43 ICSS2018-49 EMM2018-45 |
Estimating the computational cost for solving learning with errors (LWE) problem is an indispensable research topic to u... [more] |
ISEC2018-46 SITE2018-38 HWS2018-43 ICSS2018-49 EMM2018-45 pp.363-370 |
ISEC |
2016-09-02 13:25 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Tokyo) |
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 |
ISEC |
2016-09-02 15:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Tokyo) |
[Invited Talk]
Security estimation for lattice based cryptosystems by progressive BKZ algorithm (From Eurocrypt 2016) Yoshinori Aono (NICT), Yuntao Wang (Kyushu Univ.), Takuya Hayashi (NICT), Tsuyoshi Takagi (Kyushu Univ.) ISEC2016-47 |
We introduce the paper “Improved Progressive BKZ Algorithms and their Precise Cost Estimation by Sharp Simulator” in Eur... [more] |
ISEC2016-47 p.57 |
EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] |
2016-07-15 13:50 |
Yamaguchi |
(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. (Tokyo) |
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 |
IPSJ-CSEC, ISEC, SITE, ICSS, EMM, IPSJ-SPT [detail] |
2015-07-03 10:40 |
Aichi |
NAGOYA TRADE & INDUSTRY CENTER (Aichi) |
Report on Workshop on Cybersecurity in a Post-Quantum World Takanori Yasuda (ISIT), Tsuyoshi Takagi (Kyushu Univ.) ISEC2015-22 SITE2015-20 ICSS2015-32 EMM2015-30 |
[more] |
ISEC2015-22 SITE2015-20 ICSS2015-32 EMM2015-30 pp.135-136 |
QIT (2nd) |
2015-05-25 17:00 |
Osaka |
Osaka University (Osaka) |
MQ Challenge: Solving Problems for Post-Quantum Cryptography and Their Hardness Evaluation Takanori Yasuda (ISIT), Xavier Dahan (Ochanomizu Univ.), Yun-Ju Huang (ISIT), Tsuyoshi Takagi (Kyushu Univ.), Kouichi Sakurai (ISIT) |
[more] |
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