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Koji NUIDA

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Koji NUIDA

J-GLOBAL         Last updated: Oct 29, 2019 at 10:55
 
Avatar
Name
Koji NUIDA
E-mail
nuidamist.i.u-tokyo.ac.jp
URL
http://www2u.biglobe.ne.jp/~nuida/m/index_e.htm
Affiliation
The University of Tokyo
Section
The Graduate School of Information Science and Technology　Department of Mathematical Informatics
Job title
Senior Researcher
Degree
Ph.D. (Mathematical Science)(The University of Tokyo)
Research funding number
20435762
ORCID ID
0000-0001-8259-9958

Profile

My research interests are:
- mathematics
- information security based on mathematical insights
- mathematical objects emerging from studies on information security

JST PRESTO Researcher (2014.10 - 2018.3)

Research Areas

 
 

Academic & Professional Experience

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Apr 2018
 - 
Today
Associate Professor, Graduate School of Information Science and Technology, The Unversity of Tokyo
 
Apr 2015
 - 
Mar 2018
Senior Researcher, Advanced Cryptosystems Research Group (crypto), Information Technology Research Institute (ITRI), National Institute of Advanced Industrial Science and Technology (AIST)
 
Oct 2014
 - 
Mar 2018
PRESTO Researcher, Japan Science and Technology Agency (JST)
 
Apr 2014
 - 
Mar 2015
Senior Researcher, Computational Biology Research Center (CBRC), National Institute of Advanced Industrial Science and Technology (AIST)
 
Mar 2013
 - 
Mar 2015
Senior Researcher, Research Institute for Secure Systems (RISEC), National Institute of Advanced Industrial Science and Technology (AIST)
 

Awards & Honors

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Apr 2018
Research on advanced cryptosystems and their applications to secure database search, Prize for Science and Technology (Research Category) in the Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology in 2018, Ministry of Education, Culture, Sports, Science and Technology
Winner: Goichiro Hanaoka, Kana Shimizu, Koji Nuida
 

Published Papers

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Kazuto Ogawa, Koji Nuida
Proceedings of HCI International 2019   LNCS(11594) 417-428   Jul 2019   [Refereed]
Shizuo Kaji, Toshiaki Maeno, Koji Nuida, Yasuhide Numata
Journal of Mathematical Cryptology   13(2) 69-80   Jun 2019   [Refereed]
Hiroki Sudo, Koji Nuida, Kana Shimizu
Proceedings of ICISC 2018   LNCS(11396) 143-160   Jan 2019   [Refereed]
Yusuke Aikawa, Koji Nuida, Masaaki Shirase
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences   E102-A(1) 74-80   Jan 2019   [Refereed]
Hiraku Morita, Nuttapong Attrapadung, Satsuya Ohata, Koji Nuida, Shota Yamada, Kana Shimizu, Goichiro Hanaoka, Kiyoshi Asai
Proceedings of the 2018 International Symposium on Information Theory and Its Applications (ISITA 2018)   530-534   Oct 2018   [Refereed]

Misc

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Koji Nuida, Satsuya Ohata, Shigeo Mitsunari, Nuttapong Attrapadung
IACR Cryptology ePrint Archive   2019(1233)    Oct 2019
Satsuya Ohata, Koji Nuida
e-print arXiv   1907(03415)    Jul 2019
Kazumasa Shinagawa, Koji Nuida
IACR Cryptology ePrint Archive   2019(380)    Apr 2019
Koji Nuida
IACR Cryptology ePrint Archive   2018(718)    Aug 2018
Yuji Hashimoto, Kazumasa Shinagawa, Koji Nuida, Masaki Inamura, Goichiro Hanaoka
e-print arXiv   1709(07785)    Sep 2017

Books etc

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Groups of Exceptional Type, Coxeter Groups and Related Geometries (N.S. Narasimha Sastry (Ed.)), Springer Proceedings in Mathematics & Statistics vol.82
Koji NUIDA (Part:Contributor, On the Isomorphism Problem for Coxeter Groups and Related Topics)
Springer   Apr 2014   ISBN:978-81-322-1814-2

Conference Activities & Talks

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Towards Constructing Fully Homomorphic Encryption without Ciphertext Noise from Group Theory [Invited]
Koji Nuida
International Symposium on Mathematics, Quantum Theory, and Cryptography (MQC 2019)   25 Sep 2019   
Improvement of Integer Factorization with Elliptic Curve and Complex Multiplication Method
Yuan Mei, Koji Nuida
IWSEC 2019 (poster)   28 Aug 2019   
Privacy Preservation for Versatile Pay-TV Services
Kazuto Ogawa, Koji Nuida
HCI International 2019   30 Jul 2019   
An Efficient Private Evaluation of a Decision Graph
Hiroki Sudo, Koji Nuida, Kana Shimizu
ICISC 2018   28 Nov 2018   
Secure Division Protocol and Applications to Privacy-Preserving Chi-Squared Tests
Hiraku Morita, Nuttapong Attrapadung, Satsuya Ohata, Koji Nuida, Shota Yamada, Kana Shimizu, Goichiro Hanaoka, Kiyoshi Asai
The 2018 International Symposium on Information Theory and Its Applications (ISITA 2018)   31 Oct 2018   

Research Grants & Projects

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Project Year: Apr 2014 - Mar 2019    Investigator(s): Goichiro Hanaoka
Project Year: Feb 2019       Investigator(s): Koji NUIDA
Japan Science and Technology Agency (JST): PRESTO
Project Year: Oct 2014 - Mar 2018    Investigator(s): Koji NUIDA
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(若手研究(B))
Project Year: Apr 2008 - Mar 2012    Investigator(s): Koji NUIDA
In this research, I studied the fundamentals of quantum computers which are based on quantum physics and are expected as a candidate of powerful new-generation computers, especially from the viewpoint of quantum algorithms specialized to the quant...
the Science and Technology Foundation of Japan (JSTF): 2007 Research Grants of the Science and Technology Foundation of Japan (JSTF)
Project Year: Apr 2008 - Mar 2009    Investigator(s): Koji NUIDA

Education

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Apr 2001
 - 
Mar 2006
Graduate School of Mathematical Sciences, The University of Tokyo