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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMM, BioX, ISEC, SITE, ICSS, HWS, IPSJ-CSEC, IPSJ-SPT [detail] | 2024-07-22 17:05 |
Hokkaido | Sapporo Convention Center | Frame fraud in secret sharing and its countermeasures
-- Current status and challenging issues -- Kouichi Sakurai (Kyushu Univ.) |
[more] | |
| RCC, ISEC, IT, WBS | 2024-03-13 - 2024-03-14 |
Osaka | Osaka Univ. (Suita Campus) | Research Directions in Formal Verification of Transport Layer Security Protocols Hideki Sakurada (NTT/Kyushu Univ.), Kouichi Sakurai (Kyushu Univ./ATR)  IT2023-121 ISEC2023-120 WBS2023-109 RCC2023-103 |
The TLS protocol is used to secure communications between web servers and clients, and is essential for security: it all... [more] | IT2023-121 ISEC2023-120 WBS2023-109 RCC2023-103 pp.287-293 |
| RCC, ISEC, IT, WBS | 2023-03-15 14:15 |
Yamaguchi | (Primary: On-site, Secondary: Online) |
Notes on applying cryptographic proof systems to implement the uniqueness of Non Fungible Token Kouichi Sakurai (Kyushu Univ.) IT2022-130 ISEC2022-109 WBS2022-127 RCC2022-127 |
[more] | IT2022-130 ISEC2022-109 WBS2022-127 RCC2022-127 pp.393-397 |
| ICSS | 2021-11-29 13:00 |
Kochi | KOCHIJYO HALL (Primary: On-site, Secondary: Online) |
Current status, issues, and research trends of user authentication in mobile networks Toshiaki Saisho (Advanced IT Corp.), Shigeo Tsujii (Chuo Univ.), Kouichi Sakurai (Kyushu Univ./ATR) ICSS2021-46 |
We will report on the current status of 5G, issues to be examined for Beyond 5G / 6G, research trends, etc. regarding se... [more] | ICSS2021-46 pp.1-6 |
| SITE, ISEC, LOIS | 2021-11-12 14:25 |
Online | Online | A theory of designing two factor authentications: Google’s FIDO/U2F as an example Kouichi Sakurai (Kyushu Univ.) ISEC2021-44 SITE2021-38 LOIS2021-27 |
[more] | ISEC2021-44 SITE2021-38 LOIS2021-27 pp.18-19 |
| BioX, ISEC, SITE, ICSS, EMM, HWS, IPSJ-CSEC, IPSJ-SPT [detail] | 2021-07-20 14:25 |
Online | Online | Computer experiment evaluation for time variance of virtual currency mining using cryptographic hash function Kei Ikebe, Kouichi Sakurai (Kyushu Univ.) ISEC2021-36 SITE2021-30 BioX2021-37 HWS2021-36 ICSS2021-41 EMM2021-41 |
Cryptocurrencies are searching for solutions to difficult-to-calculate problems called mining when conducting transactio... [more] | ISEC2021-36 SITE2021-30 BioX2021-37 HWS2021-36 ICSS2021-41 EMM2021-41 pp.161-166 |
| WBS, IT, ISEC | 2021-03-05 09:25 |
Online | Online | Construction of non-malleable codes based on graph theory Shohei Satake (Kumamoto Univ.), Yujie Gu, Kouichi Sakurai (Kyushu Univ.) IT2020-144 ISEC2020-74 WBS2020-63 |
Non-malleable codes protect communications against adversarial tampering of data, which can be seen as a relaxation of e... [more] | IT2020-144 ISEC2020-74 WBS2020-63 pp.195-200 |
| ICSS, IPSJ-SPT | 2021-03-02 10:25 |
Online | Online | Consideration on the mechanism of identifying and tracking Bitcoin users Toshiaki Saisho (Advanced IT Corp.), Shigeo Tsujii (Chuo Univ.), Kouichi Sakurai (Kyushu Univ./ATR) ICSS2020-44 |
The use of CryptoAssets for money laundering and settlement of fraudulent and illegal transactions due to strong anonymi... [more] | ICSS2020-44 pp.108-113 |
| IT | 2020-12-03 11:40 |
Online | Online | Introduction on Information Theory and Its Applications at Tel Aviv University
-- Class of "Codes and Sequences" for Graduate Students -- Kouichi Sakurai, YuJie GU (Kyushu Univ.) IT2020-51 |
[more] | IT2020-51 pp.146-147 |
| ISEC | 2020-05-20 14:40 |
Online | Online | Making Variance of Mining Time Smaller for Computational Problems Based on Hash Functions
-- Serial Concatenation and Parallel Concatenation -- Hiroaki Anada (Univ. Nagasaki), Kouichi Sakurai (Kyushu Univ.) ISEC2020-9 |
In Bitcoin, the computational problem which miners should solve is an equation described in the term of a hash functio... [more] |
ISEC2020-9 pp.33-40 |
| COMP, IPSJ-AL | 2020-05-09 09:30 |
Online | Online | On Power and limitation of adversarial example attacks Kouichi Sakurai (Kyushu Univ.) COMP2020-5 |
A risk of adversarial example attacks which cause deep learning to make wrong decisions is getting serious even from a c... [more] | COMP2020-5 pp.33-36 |
| ISEC, SITE, LOIS | 2019-11-02 10:00 |
Osaka | Osaka Univ. | Evolving Secret Sharing: Hierarchical Access Structure with Polynomial Share Size Sabyasachi Dutta (Univ. of Calgary), Partha Sarathi Roy, Kazuhide Fukushima, Shinsaku Kiyomoto (KDDI Research), Kouichi Sakurai (Kyushu Univ.) ISEC2019-76 SITE2019-70 LOIS2019-35 |
Secret sharing allows storing secret information in a distributed manner among several participants. The original setti... [more] |
ISEC2019-76 SITE2019-70 LOIS2019-35 pp.93-98 |
| SITE, ISEC, LOIS | 2018-11-03 12:00 |
Fukuoka | Computationally-independent pair of one-way functions in presence of leakage Sabyasachi Dutta, Kouichi Sakurai (Kyushu Univ.) ISEC2018-66 SITE2018-44 LOIS2018-26 |
[more] | ISEC2018-66 SITE2018-44 LOIS2018-26 pp.13-18 |
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| SITE, ISEC, LOIS | 2018-11-03 12:30 |
Fukuoka | Secret sharing of color images: An algebraic approach Sabyasachi Dutta (Kyushu Univ.), Avishek Adhikari (Univ. Calcutta), Sushmita Ruj (ISI,Kolkata), Kouichi Sakurai (Kyushu Univ.) ISEC2018-67 SITE2018-45 LOIS2018-27 |
[more] | ISEC2018-67 SITE2018-45 LOIS2018-27 pp.19-24 |
|
| SITE, EMM, ISEC, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] | 2017-07-15 13:50 |
Tokyo | Study of template matching application of steganography ANGO Hirokazu Ishizuka (Mitsubishi Electric), Isao Echizen (NII), Keiichi Iwamura (TUS), Koichi Sakurai (Kyushu Univ.) ISEC2017-33 SITE2017-25 ICSS2017-32 EMM2017-36 |
We propose a method ANGO(=Asymmetric Nondestractive steGanOgraphy) to extract different third information by two(o... [more] | ISEC2017-33 SITE2017-25 ICSS2017-32 EMM2017-36 pp.247-252 |
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| EMM, IT | 2017-05-23 11:55 |
Yamagata | Yamagata University(Yonezawa Campus) | Investigation on the Effect of Error Correction by RS Code on Pattern Masking of Double Encoded Two-dimensional Code Nobuyuki Teraura (TCRI), Keiichi Iwamura (TUS), Isao Echizen (NII), Kouichi Sakurai (kyushu Univ.) IT2017-12 EMM2017-12 |
The black cell of a two dimensional code is coded in normal black ink (infrared absorption) and special black ink (infra... [more] | IT2017-12 EMM2017-12 pp.67-72 |
| ICSS, IPSJ-SPT | 2017-03-13 14:50 |
Nagasaki | University of Nagasaki | A Brief Review on Anomaly Detection and its Applications to Cybersecurity Danilo Vasconcellos Vargas, Kouichi Sakurai (Kyudai) ICSS2016-50 |
[more] | ICSS2016-50 pp.37-42 |
| ICSS, IPSJ-SPT | 2017-03-14 12:20 |
Nagasaki | University of Nagasaki | Evaluation of Host Independent and Distributed Detection System of the Network Attack by Using OpenFlow Ryosuke Miyazaki (ISIT/Kyushu Univ.), Junpei Kawamoto (), Shinichi Matsumoto (Kyushu Univ.), Kouichi Sakurai (ISIT/Kyushu Univ.) ICSS2016-69 |
In recent years, cyber attacks are in various ways, and we must detect as many kinds of attacks as possible. Therefore, ... [more] | ICSS2016-69 pp.177-182 |
| PRMU | 2016-10-21 16:20 |
Miyazaki | Study of template matching application of a steganography (ANGO)
-- Interdisciplinary cryptography and image processing -- Hirokazu Ishizuka (Kyudai), Isao Echizen (NII), Keiichi Iwamura (TUS), Koichi Sakurai (Kyudai) PRMU2016-108 |
We propose a steganographic method called ANGO using Ango Sakaguchi's novel ``ANGOU'' as a hint. Go through the study ... [more] |
PRMU2016-108 pp.97-102 |
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| EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] | 2016-07-15 11:10 |
Yamaguchi | Fully Secure Secret-sharing Schemes Using Indistinguishability Obfuscation Hui Zhao, Kouichi Sakurai (Kyushu Univ.) ISEC2016-31 SITE2016-25 ICSS2016-31 EMM2016-39 |
We provide an cryptographic realization of secret-sharing scheme based on obfuscation, and prove that this model is UC s... [more] | ISEC2016-31 SITE2016-25 ICSS2016-31 EMM2016-39 pp.137-143 |
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