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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 23件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
ISEC, SITE, LOIS 2019-11-02
09:35
Osaka Osaka Univ. Proposal of Multivariate Public Key Cryptosystem Based on Modulus of Numerous Prime Numbers and CRT
Shigeo Tsujii (Chuo Univ./SIOTP), Ryo Fujita, Masahito Gotaishi (Chuo Univ.)
 [more] ISEC2019-75 SITE2019-69 LOIS2019-34
pp.87-91
HWS, ISEC, SITE, ICSS, EMM, IPSJ-CSEC, IPSJ-SPT [detail] 2018-07-26
13:45
Hokkaido Sapporo Convention Center Proposal of Multivariate Public Key Cryptosystem Based on Modulus of Numerous Prime Numbers and CRT
Shigeo Tsujii, Ryo Fujita, Masahito Gotaishi (Chuo Univ.)
 [more] ISEC2018-45 SITE2018-37 HWS2018-42 ICSS2018-48 EMM2018-44
pp.357-362
ISEC 2016-05-19
13:00
Tokyo Kikai-Shinko-Kaikan Bldg. Proposal of Multivariate Public Key CryptoSystem based on Numerous Prime Numbers and its Application to Organizational Communications -- For Quantum Proof MPKC and IoT Environment --
Shigeo Tsujii, Ryo Fujita, Masahito Gotaishi (Chuo-Univ.)
 [more] ISEC2016-5
pp.17-24
ISEC 2015-09-04
14:05
Tokyo Kikai-Shinko-Kaikan Bldg. Proposal of Multivariate Public Key Cryptosystem based on numerous prime numbers and Chinese Remainder Theorem -- For quantum proof MPKC --
Shigeo Tsujii, Ryo Fujita, Masahito Gotaishi (Chuo Univ.)
The studies of Multivariate Public Key Cryptosystem (MPKC) have been originated in Matsumoto-Imai cryptosystem and Tsuji... [more] ISEC2015-30
pp.35-41
IPSJ-CSEC, ISEC, SITE, ICSS, EMM, IPSJ-SPT [detail] 2015-07-03
11:05
Aichi NAGOYA TRADE & INDUSTRY CENTER Proposal of Accelerating XL algorithm by Assigning Constants to Variables
Masahito Gotaishi, Shigeo Tsujii (Chuo Univ.)
The Fixing strategy, which has been long used in XL algorithm is improved so that more variables can be fi xed. This imp... [more] ISEC2015-23 SITE2015-21 ICSS2015-33 EMM2015-31
pp.137-142
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)
 [more] ISEC2015-1
pp.1-7
EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] 2013-07-19
11:05
Hokkaido   Cryptanalysis of Rainbow Signature -- Enrico, you should have hacked further --
Masahito Gotaishi, Shigeo Tsujii (Chuo Univ.)
Thomae et al. have proposed cryptanalysis of Rainbow, a multivariate public key signature system.
The methodology of so... [more]
ISEC2013-39 SITE2013-34 ICSS2013-44 EMM2013-41
pp.275-279
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.)
 [more] ISEC2013-40 SITE2013-35 ICSS2013-45 EMM2013-42
pp.281-288
EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] 2012-07-20
16:15
Hokkaido   Construction of the Tsujii-Shamir-Kasahara (TSK) Multivariate Public Key Cryptosystem, which relies on the Difficulty of Prime Factorization
Shigeo Tsujii, Masahito Gotaishi (Chuo Univ.)
A new multivariate public-key cryptosystem (MPKC) is proposed. Unlike conventional MPKC system,
the polynomials in the ... [more]
ISEC2012-39 SITE2012-35 ICSS2012-41 EMM2012-31
pp.213-216
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.)
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
SITE, IPSJ-CE 2011-12-17
15:15
Shimane   On Electronic Government System for Overcoming Contradiction between Protection and Utilization of Personal Information and Privacy -- Part 1 --
Shigeo Tsujii, Hiroshi Yamaguchi, Masahito Gotaishi (Chuo University), Yukiyasu Tsunoo (NEC), Mikio Ihori (IOG), Takuma Yamamoto (Kanamic)
First the concept of 3 layers of electronic government is proposed. 3 layers are mental, social system, and technologica... [more] SITE2011-28
pp.19-24
ISEC, LOIS 2011-11-14
14:45
Osaka Osaka Electro-Communication University Hidden Pair of Bijection Signature system (2) -- Discussion of the Security --
Masahito Gotaishi, Shigeo Tsujii (Chuo Univ.)
The actual parameters as well as the possibility of attack are discussed on the new MPKC signature system "Hidden Pair o... [more] ISEC2011-42 LOIS2011-36
pp.55-60
ISEC, IPSJ-CSEC, SITE, ICSS, EMM, IPSJ-SPT [detail] 2011-07-13
09:00
Shizuoka Shizuoka University Matsumoto-Imai Signature by Dual Perturbation -- Two new Modifiers --
Masahito Gotaishi, Shigeo Tsujii (Chuo Univ.)
Abstract The most basic way to cryptanalyze Multivariate Public Key Cryptosystems (MPKC) is solving the equation system ... [more] ISEC2011-15 SITE2011-12 ICSS2011-20 EMM2011-14
pp.79-83
ISEC, IT, WBS 2011-03-04
14:15
Osaka Osaka University Proposal of Hidden Pair of Bijection Signature Scheme
Masahito Gotaishi, Shigeo Tsujii (Chuo Univ.)
 [more] IT2010-126 ISEC2010-130 WBS2010-105
pp.383-388
ISEC 2010-09-10
14:15
Tokyo Kikai-Shinko-Kaikan Bldg. On the Extension of Rank Attacks to MPKC
Masahito Gotaishi, Shigeo Tsujii (Chuo Univ.)
A variant of Rank Attack which is applicable to the Complementary STS is discussed. The Complementary
STS is a variant ... [more]
ISEC2010-44
pp.35-40
ISEC 2010-09-10
14:40
Tokyo Kikai-Shinko-Kaikan Bldg. Cryptanalysis of Double-Layer Square
Masahito Gotaishi (Chuo Univ.)
 [more] ISEC2010-45
pp.41-45
ISEC, IPSJ-CSEC, SITE, ICSS [detail] 2010-07-02
09:00
Aomori Hirosaki University Proposal on MPKC Signature Scheme with Check Equations
Shigeo Tsujii, Masahito Gotaishi (Chuo University)
A new signature system of multivariate public key cryptosystem (MPKC), which uses separate check equations in order to p... [more] ISEC2010-23 SITE2010-19 ICSS2010-29
pp.107-112
ISEC, IPSJ-CSEC, SITE, ICSS [detail] 2010-07-02
09:25
Aomori Hirosaki University Improvement of Rainbow MPKC Signature system
Masahito Gotaishi (Chuo Univ.)
Rainbow signature system is making effective use of the advantage of
multivariate public key cryptosystem (MPKC) and o... [more]
ISEC2010-24 SITE2010-20 ICSS2010-30
pp.113-117
ISEC 2009-12-16
16:10
Tokyo Kikai-Shinko-Kaikan Bldg. Improvement of the Internal Perturbation Modifier -- An example of Perturbed Matsumoto-Imai --
Masahito Gotaishi, Shigeo Tsujii (Chuo Univ.)
Internal Perturbation is among the modifiers of Multivariate Public Key Cryptosystems designed to reinforce the existing... [more] ISEC2009-78
pp.51-55
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.)
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
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