次世代暗号に向けたセキュリティ危殆化回避数理モデリング
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  • 独立行政法人 科学技術振興機構

Major Activities

 
2017
8/1 Prof. Masato Wakayama delivered a keynote talk on "Mathematics for Industry in Japan" at International Seminar on Mathematics in Industry 2017 held in Malaysia.
7/28 A book on CryptoMathCREST was published by Springer.
Mathematical Modelling for Next-Generation Cryptography, Mathematics for Industry, Vol.29, Springer, 2017. http://www.springer.com/in/book/9789811050640
7/12 Prof. Masato Wakayama delivered an invited talk on "Spectral degeneracies in asymmetric quantum Rabi models and representations" at Integrability in Low-Dimensional Quantum Systems held at University of Melbourne.
6/1 Dr. Katsuyuki Takashima (Kunihiro group) received the IEICE Best Paper Award in 2016. pdf(in Japanese)
4/1 Prof. Takagi moved to Graduate School of Information Science and Technology, University of Tokyo.
He also has a cross appointment with Institute of Mathematics for Industry, Kyushu University.
3/22-23 3rd Asian Post-Quantum Cryptography Forum was held at Tokyo Institute of Technology.
http://www.is.c.titech.ac.jp/3rd-asia-pqc-forum/
3/16 Prof. Fumio Hiroshima (Wakayama group) delivered an invited talk on "Feynman-Kac formula and its application to quantum physics" at Journée Thématique EDP: Mathematical Analysis of Interacting Quantum Systems held at Université de Rennes.
3/14 Prof. Noboru Kunihiro delivered an invited talk on "Recovering RSA Secret Keys from Noisy Keys" at UTokyo-IIT Madras Workshop on Theoretical Computer Science held in Madras.
3/10 Dr. Katsuyuki Takashima (Kunihiro group) delivered an invited talk on "Elliptic Curve Cryptography in Industry and Society" at International Seminar for Applied and Industrial Mathematics held at Waseda University.
3/10 Prof. Hideyuki Miura (Tanaka group) delivered an invited talk on "On uniqueness for the harmonic map heat flow in supercritical dimensions" at Waseda University.
2/28 Prof. Masato Wakayama delivered an invited talk on "Symmetry of asymmetric quantum Rabi models" at University of Bologna.
2/20 Prof. Shinya Nishibata (Tanaka group) delivered an invited talk on "Asymptotic stability of rarefaction waves for symmetric hyperbolic-parabolic systems" at PDE Seminar held at University of Konstanz.
2/16 Prof. Masato Wakayama delivered an invited talk on "Endeavors for Mathematics for Industry in Japan" at 9th Ludwig Boltzmann Symposium Tokyo 2017 held at Austrian Embassy in Tokyo.
2016
12/7 Prof. Tsuyoshi Takagi served as Program Co-Chairs at Asiacrypt 2016 held in Hanoi.
http://www.asiacrypt2016.org/
11/29 Prof. Tsuyoshi Takagi delivered an invited talk on "Computational Problems in Post-Quantum Cryptography" at PQC Asia Forum in Seoul held at Seoul National University.
11/22 Shinya Okumura, Koichiro Akiyama and Tsuyoshi Takagi, "An Estimate of the Complexity of the Section Finding Problem on Algebraic Surfaces"
The Fourth International Symposium on Computing and Networking (CANDAR'16) http://is-candar.org/
10/29 Prof. Masato Wakayama delivered an invited talk on "Symmetry of asymmetric quantum Rabi models" at Zeta Functions in Okinawa 2016 held at Okinawa Convention Center.
10/26 Prof. Sadayoshi Kojima (Tanaka group) delivered an invited talk on "Normalized entropy versus volume for pseudo-Anosovs" at Kyoto University.
10/1 A new member joined CREST team: Masahiro Ishii in Tanaka group (Adjunct Assistant Professor, Graduate School of Information Science and Engineering, Tokyo Institute of Technology)
9/22 Prof. Takagi delivered a Keynote lecture on "Security Evaluation of Post-Quantum Cryptography" at Chinacrypt 2016, the biggest conference in China. http://cacr2016.cacrnet.org.cn/
9/19 Prof. Masato Wakayama delivered an invited talk on "Generalized quantum Rabi models and representations theory" at "International Workshop on Ultra-Strong Light-Matter Interactions: theory and applications to quantum information" held at University of the Basque Country.
9/14 Atsushi Takayasu delivered an invited talk on "Parameter Selections for Approximate GCD Problems" at IWSEC 2016 held in Akihabara, Tokyo.
9/13 Dr. Katsuyuki Takashima (Kunihiro group) received the Best Paper Award in 2016 of the Japan Society for Industrial and Applied Mathematics (JSIAM). http://www2.jsiam.org/ronbun-bestauthor2016
9/10 Prof. Masato Wakayama delivered an invited talk on "Generalized Quantum Rabi models and Finite Dimensional Representations of sl_2" in Okinawa.
7/5 Atsushi Takayasu (Kunihiro group) has received the Best Student Paper at 21st Australasian Conference on Information Security and Privacy, ACISP 2016.
Atsushi Takayasu, Noboru Kunihiro, "Partial Key Exposure Attacks on RSA with Multiple Exponent Pairs".
Homepage of ACISP 2016 http://nsclab.org/acisp2016/index.html
7/1 A new member joined CREST team: Yasuhiko Ikematsu in Takagi group (Postdoctoral Research Fellow, IMI, Kyushu University)
6/10 Prof. Tsuyoshi Takagi delivered an invited talk on "State of the Art of Lattice Reduction Algorithms" at First Post-Quantum Cryptography Asia Forum held in Chengdu, China.
6/9-10 Prof. Tsuyoshi Takagi and Associate Prof. Kirill Morozov delivered invited talks at the Workshop "First Post-Quantum Cryptography Asia Forum" ,held in Chengdu. http://cps.cqu.edu.cn/
6/6 Prof. Masato Wakayama delivered an invited talk on "Representation theoretic approach to the spectrum of quantum Rabi or its generalized models" at "Mathematical quantum field theory and related topics" held at Kyushu University.
6/2 Dr. Katsuyuki Takashima (Kunihiro group) received the IEICE Best Paper Award in 2015. pdf(in Japanese)
5/29 Prof. Shinya Nishibata (Tanaka group) delivered an invited talk on "Microlocal Analysis and Related Topic" at Workshop on the Boltzmann Equation held at Kyoto University.
5/1 Dr. Shinya Okumura, Postdoctoral Research Fellow, moved to Institute of Systems, Information Technologies and Nanotechnologies (ISIT) as a researcher
4/27 CALL FOR PAPERS : CREST BOOK  "Mathematical Modelling for Next-Generation Cryptography", Mathematics for Industry, Springer.
Submission Deadline: December 2nd, 2016
4/22 Prof. D.Braak delivered an invited talk on " Exact Methods in Theoretical Quantum Optics " , held in Kyushu University. http://www.imi.kyushu-u.ac.jp/eng/seminars/view/1058
4/1 Prof. Ishikawa (Wakayama group) moved to Graduate School of Natural Science and Technology, Okayama University from University of the Ryukyus.
Prof. Morozov moved to School of Computing, Tokyo Institute of Technology from Kyushu University.
3/23 Yao Lu (Kunihiro group) delivered an invited talk on "Solving Linear Equations Modulo Unknown Divisors: Revisited" at a workshop held at National Institute of Advanced Industrial Science and Technology.
3/14 Prof. Tsyoshi Takagi delivered an invited talk on "Lattice Reduction and Lattice Cryptography" at Taft Research Center held at University of Cinccinati.
3/9 Prof. Kazufumi Kimoto (Wakayama group) delivered an invited talk on "Alpha-determinants and the Alon-Tarsi conjecture" at Tutorials and Workshop on New Developments in Representation Theory held at National University of Singapore.
2/24-26 Post-Quantum Cryptography 2016 was held at Nishijin Plaza, Kyushu University.

https://pqcrypto2016.jp

NIST’s Plan for the Future was introduced at the conference. (pdf)

2/3 NIST published a draft of the report on post-quantum cryptography NISTIR 8105.

http://csrc.nist.gov/publications/drafts/nistir-8105/nistir_8105_draft.pdf

CREST Crypto-Math project was introduced in this report.

1/14 Prof. Tsuyoshi Takagi delivered a keynote talk on "Recent Developments of Post-Quantum Cryptography" at Future Cryptographic Technology Symposium: Cryptographic Technologies in the Era of Quantum Computation held at Seoul National University.
2015
12/15 CryptoMathCREST Workshop was held at IMI, Kyushu University
12/12 Prof. Tsuyoshi Takagi delivered an invited talk at CMMA joint seminar at Meiji University, Tokyo http://cmma.mims.meiji.ac.jp/events/another/4center20151212.html (in Japanese)
12/10 Ye Yuan, Chen-Mou Cheng, Shinsaku Kiyomoto, Yutaka Miyake and Tsuyoshi Takagi, "Portable Implementation of Lattice-based Cryptography using JavaScript," received the Outstanding Paper Award at The Third International Symposium on Computing and Networking, CANDAR 2015.
11/25 Prof. Tsuyoshi Takagi delivered an invited talk at JST CREST Optimum Modeling seminar at Tokyo University
11/12 Prof. Masaaki Umehara (Tanaka group) delivered an invited talk on "Indices of isolated umbilics on surfaces" at Geometric Analysis in Geometery and Topology 2015 held at Tokyo University of Science.
11/12 Prof. Tsuyoshi Takagi delivered an invited talk at Netherlands-Japan Collaborative Cyber Security Conference in Tokyo http://www.iperc.uec.ac.jp/staging/en/cyber-security-coference-and-reception-in-uec.html
11/9 Prof. Yoshinori Yamasaki (Wakayama group) delivered an invited talk on "Ramanujan Cayley graphs and the Hardy-Littlewood conjecture" at Nagoya University.
10/31 Prof. Shinya Nishibata (Tanaka group) delivered an invited talk on "Stationary waves to symmetric hyperbolic-parabolic systems in half line" at International Conference on Nonlinear Analysis held at Institute of Mathematics, Academia Sinica in Taiwan.
10/26-30 Forum "Math-for-Industry" 2015 - The Role and Importance of Mathematics in Innovation was held at IMI, Kyushu University
10/7 Prof. Tsuyoshi Takagi delivered an invited talk on "Security analysis of quantum safe cryptography" at ETSI 3rd Quantum-Safe Crypto Workshop held in Seoul, Korea.
ETSI 3rd Quantum-Safe Crypto Workshop
9/25 Prof. Hideyuki Miura (Tanaka group) delivered an invited talk "On Ukai-type solution formula for the Stokes system in a domain with boundary" at 4th International Conference on Mathematical Theory of Turbulence via Harmonic Analysis and Computational Fluid Dynamics in 2015 held at Hotel Nikko Nara.
9/8 Prof. Yoshinori Yamasaki (Wakayama group) delivered an invited talk on "格Ramanujan Cayley graphs and the Hardy-Littlewood conjecture" at "Group actions and metric embeddings" held at Kyoto University.
9/6-9/11 Prof. Tsuyoshi Takagi and Prof. Kirill Morozov delivered invited talks at Dagstuhl Seminar "Quantum Cryptanalysis" held in Germany. http://www.dagstuhl.de/15371
Prof. Tsuyoshi Takagi: "Improvement on BKZ Lattice Reduction Algorithm"
Prof. Kirill Morozov: "On security of the Courtois-Finiasz-Sendrier signature"
9/4 CryptoMathCREST Workshop "Geometry and Cryptography" was held at the Ookayama Campus of Tokyo Institute of Technology
8/6 Prof. Sadayoshi Kojima (Tanaka group) delivered an invited talk on "Normalized Entropy versus Volume for pseudo-Anosovs" at Nagoya Institute of Technology.
8/4 Prof. Hideyuki Miura (Tanaka group) delivered an invited talk on "Growth of the vorticity gradient for the two dimensional Euler flows around a corne" at ISSAC 2015 held at University of Macau.
7/28 A special lecture "Progress in elliptic curve cryptography" (in Japanese) by Dr. Katsuyuki Takashima at the 2014 Annual Meeting of The Mathematical Society of Japan appeared in the video archive: http://www.mathsoc.jp/videos/2014spring/02-0004.html
7/24 Prof. Yuji Terashima (Tanaka group) delivered an invited talk on "Partition q-series" at Keio University.
7/16 Prof. Shinya Nishibata (Tanaka group) delivered an invited talk on "Stationary waves to hyperbolic-parabolic systems in half line" at UNIST Workshop on Nonlinear Partial Differential Equations held at Ulsan National Institute of Science and Technology.
6/25 Prof. Shinya Nishibata (Tanaka group) delivered an invited talk on "Stationary waves to symmetric hyperbolic-parabolic systems in half line" at Workshop on Hyperbolic Conservation Laws and Related Topics held at Seoul National University.
6/25 A survey on elliptic curve cryptography (in Japanese) by Dr. Katsuyuki Takashima was published in the Journal of the Japan Society for Industrial and Applied Mathematics, vol. 25, no. 2, pp. 117-133, June 2015. http://www.jsiam.org/modules/xfsection/article.php?articleid=22
6/23-26 Invited Lecture by Prof. Masato Wakayama "Representation Theory, the Related Harmonic Analysis and Differential Equations" took place at the RIMS Workshop "Quantum Rabi Model, Non-Commutative Harmonic Oscillators, Number Theory, and Representation Theory" held at RIMS, Kyoto University
6/12 Commentary articles (in Japanese) "Post-quantum cryptography" by Prof. Tsuyoshi Takagi (PI), "Elliptic curves suitable for cryptography" by Dr. Katsuyuki Takashima, and "Mathematics of side-channel attacks" by Prof. Noboru Kunihiro were published in a special issue of the Mathematics Seminar Magazine, June 2015. http://www.nippyo.co.jp/magazine/6850.html
6/5 Prof. Hideyuki Miura (Tanaka group) delivered an invited talk "On Ukai-type solution formula for the Stokes system in a domain with boundary" at Asymptotic Problems: Elliptic and Parabolic Issues held in Vilnius, Lithuania.
5/25 A site visit by Prof. Takashi Tsuboi to the Institute of Mathematics for Industry, Kyushu University
5/8 The FY2015 1st All-Member Meeting of CryptoMathCREST Members and Tutorial Workshop was held at the Ookayama Campus of Tokyo Institute of Technology
4/30 Invited talk by Prof. Masato Wakayama "Spectrum of the quantum Rabi model and representation theory" at Workshop on "Probabilistic models with determinantal structure", Kyushu University
http://imi.kyushu-u.ac.jp/~shirai/ws/probmodel2015/index-eng.html
4/24 Press release from Kyushu University PR office: Laboratory of Mathematical Design for Advanced Cryptography (In Japanese)
4/1 New members joined CREST team:
Takagi group: Masaya Yasuda (Associate Professor, IMI, Kyushu University), Shinya Okumura (Postdoctoral Research Fellow, IMI, Kyushu University)
Wakayama group: Shingo Sugiyama (Postdoctoral Research Fellow, IMI, Kyushu University)
Kunihiro group: Yao Lu (Research Fellow, Tokyo University)
4/1 Laboratory of Mathematical Design for Advanced Cryptography has been established at the Institute of Mathematics for Industry, Kyushu University as one of its research divisions.
http://www.imi.kyushu-u.ac.jp/eng/academic_staffs/department/38
3/27 Workshop "Ramanujan graphs and cryptography" at IMI, Kyushu University
2/25 Prof. Masato Wakayama delivered an invited talk on "Quantum Rabi’s model and representation theory" at Universit of Bologna.
2/24 Professor Tsuyoshi Takagi (PI) was awarded the JSPS Prize for "Security Analysis and Efficient Implementation of Public-key Cryptography"
2/20 CryptoMathCREST Website is now online
1/21-22 The 4th international conference on Mathematical Analysis on Fluid Dynamics and Conservation Laws was held.
1/19-20 CryptoMathCREST Kick-Off meeting was held at IMI, Kyushu University
1/13 Professor Tsuyoshi Takagi was invited to give a talk, "MQ Challenge: hardness evaluation of solving multivariate quadratic problems" at DIMACS Workshop on The Mathematics of Post-Quantum Cryptography" at Rutgers University
http://dimacs.rutgers.edu/Workshops/Post-Quantum/
2014
11/30 The CREST/PRESTO joint meeting was held at JST Tokyo Headquarters
11/18 Prof. Hideyuki Miura (Tanaka group) delivered an invited talk "On isomorphism for the space of solenoidal vector fields and its application to the Stokes problem" at Kyoto University.
11/6 Prof. Yuji Terashima (Tanaka group) delivered an invited talk on "Mutation loops and geometry" in Sugadaira, Nagao.
10/24 Kenichiro Hayasaka, a member of Professor Takagi's CREST team has been awarded the CSS 2014 Best Student Paper Award at Computer Security Symposium 2014 in Sapporo.
10/23-24 Mathematics and Physics of Interacting Quantum Systems (MPIQS) was held.
10/16 Prof. Shinya Nishibata (Tanaka group)delivered an invited talk on "Stability of stationary solutions to hyperbolic-parabolic systems in half space and the convergence rate" at Kyoto University.
10/7 Prof. Masato Wakayama delivered an invited talk on "Quantum Rabi's model and non-commutative harmonic oscillators" at Kyoto University.