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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 55  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
IT 2021-07-08
15:35
Online Online Quantum noise analysis for quantum conputer-3 -- Application of quantum stochastic differential equation --
Osamu Hirota, Shigeo Tsujii (Chuo Univ.) IT2021-20
Recently, the possibility of realizing a large-scale quantum computer, which would be able to attack modern cryptography... [more] IT2021-20
pp.28-33
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
SITE, ISEC, HWS, EMM, BioX, IPSJ-CSEC, IPSJ-SPT, ICSS [detail] 2020-07-21
15:45
Online Online Key Holding System Without Exchanging Common Key between Users -- TS Key Holding System --
Nobuharu Suzuki, Kouji Sasaki (Adin), Takahiro Yoshimura, Ken-ya Yoshimura (Monolith), Toshio Tsuji (Vega), Masao Yamasawa, Masahito Gotaishi, Shigeo Tsujii (Chuo Univ.) ISEC2020-29 SITE2020-26 BioX2020-32 HWS2020-22 ICSS2020-16 EMM2020-26
 [more] ISEC2020-29 SITE2020-26 BioX2020-32 HWS2020-22 ICSS2020-16 EMM2020-26
pp.99-103
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 with Security of IND-CPA
Shigeo Tsujii (Chuo Univ./SIOTP), Ryo Fujita, Masahito Gotaishi (Chuo Univ.) ISEC2019-75 SITE2019-69 LOIS2019-34
 [more] ISEC2019-75 SITE2019-69 LOIS2019-34
pp.87-91
ISEC, SITE, ICSS, EMM, HWS, BioX, IPSJ-CSEC, IPSJ-SPT [detail] 2019-07-24
13:45
Kochi Kochi University of Technology 3 Layers Public Key Cryptosystem with a Short Tandem Repeat DNA for Ultimate Personal Identification -- Introduction of Short Tandem Repeat Coupled with Mai Nanbaa and its Application --
Shigeo Tsujii, Toshiaki Saisho, Masao Yamasawa, Ko Shikata (Chuo Univ.), Koji Sasaki, Nobuharu Suzuki (Ad.) ISEC2019-52 SITE2019-46 BioX2019-44 HWS2019-47 ICSS2019-50 EMM2019-55
Considering the current situation, where personal verification with digital authentication is becoming important in the ... [more] ISEC2019-52 SITE2019-46 BioX2019-44 HWS2019-47 ICSS2019-50 EMM2019-55
pp.341-346
SITE, ISEC, LOIS 2018-11-04
10:00
Fukuoka   Introduction of PKI Electronic Authentication for Important IoT Devices -- For Establishment of Secure IoT Platform --
Yoshikazu Matsumoto (SIOTP), Shigeo Tsujii (Chuo Univ.), Kimiyasu Shirouzu, Kohei Sese (SIOTP) ISEC2018-72 SITE2018-50 LOIS2018-32
In order to cope with ubiquitous threats in the internet, such as malwares and cyberattacks, security functions required... [more] ISEC2018-72 SITE2018-50 LOIS2018-32
pp.45-50
SITE, ISEC, LOIS 2018-11-04
10:30
Fukuoka   Secure BioSemantic Computing
Hiroshi Yamaguchi (Chuo Univ.), Phillip C. Y. Sheu (UCI), Shigeo Tsujii (Chuo Univ.) ISEC2018-73 SITE2018-51 LOIS2018-33
 [more] ISEC2018-73 SITE2018-51 LOIS2018-33
pp.51-56
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.) ISEC2018-45 SITE2018-37 HWS2018-42 ICSS2018-48 EMM2018-44
 [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.) ISEC2016-5
 [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.) ISEC2015-30
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.) ISEC2015-23 SITE2015-21 ICSS2015-33 EMM2015-31
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) 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
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.) ISEC2013-39 SITE2013-34 ICSS2013-44 EMM2013-41
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.) ISEC2013-40 SITE2013-35 ICSS2013-45 EMM2013-42
 [more] ISEC2013-40 SITE2013-35 ICSS2013-45 EMM2013-42
pp.281-288
ISEC, LOIS 2012-11-22
11:35
Shizuoka Shizuoka City Industry-University Exchange Center Proposal on Concept of Encrypted State Processing at Semantic Layerbased on Logic -- Toward Realization of Confidentiality Preserving Retrieval and Creation of Answer by Natural Language --
Shigeo Tsujii, Hiroshi Yamaguchi (Chuo- U), Tetsuya Morizumi (Nettsu) ISEC2012-65 LOIS2012-40
 [more] ISEC2012-65 LOIS2012-40
pp.53-60
EMM, ISEC, SITE, ICSS, IPSJ-CSEC, IPSJ-SPT [detail] 2012-07-20
13:30
Hokkaido   Privacy Preserving Data Processing with Collaboration of Paillier and RSA Public Key Cryptosystems -- For Overcoming Contradiction of Protection and Utilization of Personal Data --
Shigeo Tsujii, Hiroshi Yamaguchi (Chuo Univ.), Hiroshi Doi (IISEC), Yukiyasu Tsunoo (NEC), Ryo Fujita (Chuo Univ.), Takahiko Syouji (YDK) ISEC2012-33 SITE2012-29 ICSS2012-35 EMM2012-25
 [more] ISEC2012-33 SITE2012-29 ICSS2012-35 EMM2012-25
pp.175-179
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.) ISEC2012-39 SITE2012-35 ICSS2012-41 EMM2012-31
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.) 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
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) SITE2011-28
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
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