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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| QIT (2nd) |
2016-11-25 11:40 |
Ibaraki | KEK Kobayashi-hall | A Refinement of Quantum Mechanics by Algorithmic Randomness Kohtaro Tadaki (Chubu Univ.) |
The notion of probability plays a crucial role in quantum mechanics. It appears in quantum mechanics as the Born rule. I... [more] | |
| ISEC | 2015-05-15 13:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Proposal for Multivariate Public Key Cryptosystem Based on the Difficulty of 3 Prime Numbers Factorization Problem Shigeo Tsujii, Kohtaro Tadaki, Ryo Fujita, Masahito Gotaishi (Chuo-U)  ISEC2015-1 |
[more] | ISEC2015-1 pp.1-7 |
| ICSS, ISEC, SITE, EMM, IPSJ-CSEC, IPSJ-SPT [detail] | 2014-07-03 11:30 |
Hokkaido | San-Refure Hakodate | Privacy Preserving Conditional Disclosure II Kohtaro Tadaki, Shigeo Tsujii (Chuo Univ.) ISEC2014-13 SITE2014-8 ICSS2014-17 EMM2014-13 |
In SCIS2012, we proposed a privacy preserving and utilization scheme, called the privacy preserving conditional disclosu... [more] | ISEC2014-13 SITE2014-8 ICSS2014-17 EMM2014-13 pp.25-30 |
| QIT (2nd) |
2014-05-13 14:00 |
Aichi | Nagoya Univ. | A reformulation of quantum mechanics by algorithmic randomness Kohtaro Tadaki (Chuo Univ.) |
(To be available after the conference date) [more] | |
| EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] | 2013-07-19 11:30 |
Hokkaido | Cryptosystems for Social Organizations Managed by Receiving Administrator
-- TSK-MPKC for Hierarchical Organizations and ECC for Flat type Organizations -- Shigeo Tsujii, Hiroshi Yamaguchi, Kohtaro Tadaki, Masahito Gotaishi, Ryo Fujita (Chuo Univ.) ISEC2013-40 SITE2013-35 ICSS2013-45 EMM2013-42 |
[more] | ISEC2013-40 SITE2013-35 ICSS2013-45 EMM2013-42 pp.281-288 |
|
| IT, ISEC, WBS | 2012-03-02 10:50 |
Kanagawa | Construction of the Tsujii-Shamir-Kasahara (TSK) Multivariate Public Key Cryptosystem, which relies on the Difficulty of Prime Factorization Shigeo Tsujii, Kohtaro Tadaki, Masahito Gotaishi, Ryo Fujita (Chuo Univ.) IT2011-70 ISEC2011-97 WBS2011-71 |
A new multivariate public-key cryptosystem (MPKC) with the security assured by the difficulty of the prime factoring is ... [more] | IT2011-70 ISEC2011-97 WBS2011-71 pp.149-155 |
|
| IA, SITE, IPSJ-IOT [detail] | 2011-02-28 13:55 |
Kochi | Kochi City Culture-Plaza CUL-PORT (Kochi prefecture) | Realization of both Protection and Utilization of the Personal Information in the Medical/Care Network Hiroshi Yamaguchi, Kohtaro Tadaki, Shigeo Tsujii, Norihisa Doi (Chuo Univ.) SITE2010-52 IA2010-88 |
On consignment from the Ministry of Economy, Trade and Industry, our research group at Chuo University develops the tech... [more] | SITE2010-52 IA2010-88 pp.33-38 |
| ISEC, LOIS | 2009-11-13 09:00 |
Gifu | Gifu Univ. | Proposal on Multivariate Public Key Signature Scheme Applying the STS cryptosystem Shigeo Tsujii, Masahito Gotaishi, Kohtaro Tadaki (Chuo Univ.) ISEC2009-59 LOIS2009-48 |
New signature scheme based on Stepwise Triangular Scheme (STS), which is one of the basic trapdoors of Multivariate Publ... [more] | ISEC2009-59 LOIS2009-48 pp.55-60 |
| ISEC, LOIS | 2009-11-13 09:25 |
Gifu | Gifu Univ. | Matsumoto-Imai Signature by Dual Perturbation
-- Two new Modifiers -- Masahito Gotaishi, Kohtaro Tadaki, Ryo Fujita, Shigeo Tsujii (Chuo Univ.) ISEC2009-60 LOIS2009-49 |
A new signature scheme of MPKC is proposed. It is created by perturbing a traditional encryption scheme in two ways. ... [more] |
ISEC2009-60 LOIS2009-49 pp.61-68 |
| ISEC, IPSJ-CSEC, SITE, ICSS [detail] | 2009-07-03 10:20 |
Akita | Akita University | Proposal of Integrated MPKC: PPS
-- STS Enhanced by Perturbed Piece In Hand Method -- Shigeo Tsujii, Kohtaro Tadaki, Masahito Gotaishi, Ryo Fujita (Chuo Univ.), Masao Kasahara (OGU) ISEC2009-27 SITE2009-19 ICSS2009-41 |
In this paper, we propose a new MPKC, called PPS, based on (i) the 2-layer nonlinear piece in hand method, (ii) Internal... [more] | ISEC2009-27 SITE2009-19 ICSS2009-41 pp.139-146 |
| ISEC, SITE, IPSJ-CSEC | 2008-07-24 13:50 |
Fukuoka | Fukuoka Institute of System LSI Design Industry | Design Policy of MPKC based on Piece in Hand Concept Shigeo Tsujii (iisec), Toshinobu Kaneko (TUS), Kohtaro Tadaki, Masahito Gotaishi (Chuo Univ.) ISEC2008-18 SITE2008-12 |
Design policy of multivariate public key cryptosystem based on Piece In Hand concept is proposed with focus on quantum c... [more] | ISEC2008-18 SITE2008-12 pp.15-22 |
| ISEC, SITE, IPSJ-CSEC | 2007-07-20 13:25 |
Hokkaido | Future University-Hakodate | A Construction Method of Nonlinear Piece In Hand Matrix for Universally Enhancing the Security of Various Multivariate Public Key Cryptosystems Shigeo Tsujii (iisec), Kohtaro Tadaki (Chuo Univ.), Ryou Fujita (iisec) ISEC2007-56 |
Considering invulnerability for a quantum computer, many multivariate public key cryptosystems have been proposed in Jap... [more] | ISEC2007-56 pp.75-80 |
| ISEC | 2004-09-17 16:05 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Proposal of MOCHIGOMA(Piece in Hand) Concept for Multivariate Type Public Key Cryptosystem Shigeo Tsujii (iisec), Ryou Fujita (TUS), Kohtaro Tadaki (Chuo U) |
[more] | ISEC2004-74 pp.47-54 |
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