Recent advances in cryptanalysis, brought in particular by the quantum computation and the physical attacks on the cryptographic devices (such as the side-channel analysis or the power analysis), introduced the growing security risks for the state-of-the-art cryptographic schemes. This project will focus on developing foundations for the mathematical modeling of the next-generation cryptographic systems, hereby addressing the above mentioned risks.
In order to achieve this goal, a new mathematical approach will be used that will draw ideas from beyond the number theory and the theory of computation, which historically proven to provide a good interchange with cryptography. Specifically, the focus will be made on the areas that have not yet been fully exploited for the cryptographic applications such as the representation theory, the mathematical physics and others. In particular, this project will create a platform for involving mathematicians into the research focused on promotion of the safe society, while at the same time stimulating a development of the respective branches of mathematics.
| 2018/12/25 | CALL FOR PAPERS : CREST BOOK
"Mathematics, Quantum Theory, and Cryptography", Mathematics for Industry, Springer. Submission Deadline: June 10th, 2019 |
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| 2018/11/29 | Dr. Katsuyuki Takashima (Kunihiro group) delivered an invited talk
on "New Assumptions on Isogenous Pairing Groups with
Applications to Attribute-Based Encryption"
at ICISC 2018 held in Seoul, Korea. ICISC 2018 |
| 2018/11/19-21 | Prof. Tsuyoshi Takagi, Dr. Katsuyuki Takashima (Kunihiro group)
and Dr. Goichiro Hanaoka (Kunihiro group) delivered invited talks
at ECC 2018 held at Osaka University. ECC 2018 |
| 2018/5/25 | Dr. Katsuyuki Takashima (Kunihiro group) delivered an invited talk on "Efficient Algorithms for Isogeny Sequences and Their Cryptographic Applications" at KSIAM 2018 Spring Conference held at KAIST, Korea. |
| 2018/4/1 | A new member joined CREST team: Koji Nuida in Takagi group |
| 2018/4/1 | Prof. Sadayoshi Kojima moved to Faculty of Science and Engineering, Waseda University. Dr. Shingo Sugiyama moved to College of Science and Technology, Nihon University. |
| 2018/3/16 | Prof. Hideyuki Miura delivered an invited talk on "Local energy weak solutions for the Navier-Stokes equationsin the half-space" at a research meeting held at Nagoya University. |
| 2018/3/5 | Prof. Shinya Nishibata delivered an invited talk on "Asymptotic stability of a rarefaction wave for a symmetric hyperbolic-parabolic system arising in compressible fluid dynamics" at Workshop on Compressible Navier-Stokes Systems and Related Problems (I) held at the Chinese University of Hong Kong. |
| 2018/1/22 | Prof. Shinya Nishibata delivered an invited talk on "Asymptotic stability of a rarefaction wave for a symmetric hyperbolic-parabolic system of conservation laws" at Nonlinear PDEs in Continuum Mechanics and Related Topics Workshop held at Tsinghua Sanya International Mathematics Forum (TSIMF) in China. |
| 2017/12/19 | Prof. Shinya Nishibata delivered an invited talk on "Asymptotic stability of a rarefaction wave for symmetric hyperbolic-parabolic systems" at Workshop on Hyperbolic and Parabolic Systems held at Waseda University. |
| 2017/12/17 | Prof. Tsuyoshi Takagi delivered an invited talk on "Recent Developments in Post-Quantum Cryptography" at a research meeting of the Japan Society for Industrial and Applied Mathematics held at Tokyo Campus, University of Tsukuba. |
| 2017/12/11 | Prof. Masato Wakayama delivered an invited talk on "Activities on Mathematics for Industry in Japan and Asia-Pacific Region" at Future and Emerging Mathematical Technologies in Europe held at Lorentz Center, Leiden in the Netherlands. |
| 2017/12/3-7 | Prof. Tsuyoshi Takagi served as Program Chair at Asiacrypt 2017
held in Hong Kong. Asiacrypt 2017 |
| 2017/11/22 | Prof. Noboru Kunihiro delivered an invited talk on "Recovering RSA Secret Keys from Noisy Keys" at WICS2017: 4th International Workshop on Information and Communication Security held in Aomori. |
| 2017/11/18 | Prof. Masato Wakayama delivered an invited talk on "Spectral determinants of the asymmetric quantum Rabi models" at Zeta Functions in Okinawa 2017 held at Okinawa Convention Center. |
| 2017/11/18 | Prof. Kazufumi Kimoto delivered an invited talk on "Limit of alpha determinants of certain correlation matrices" at Zeta Functions in Okinawa 2017 held at Okinawa Convention Center. |
| 2017/11/8 | Prof. Tsuyoshi Takagi delivered a keynote talk on
"Recent Developments in Post-Quantum Cryptography"
at the 17th Brazilian Symposium in Information Security and
Computational Systems (SBSeg 2017) held in Brasilia. SBSeg 2017 |
| 2017/10/12 | Prof. Masato Wakayama delivered an invited talk on "Spectrum of the asymmetric quantum Rabi models and zeta regularized product" at Zeta functions and trace formulas in Fukuoka held at Kyushu University. |
| 2017/10/7 | Prof. Shinya Nishibata delivered an invited talk on "The asymptotic stability of a rarefaction wave for symmetric hyperbolic-parabolic systems" at a research meeting held at Hiroshima University. |
| 2017/9/26 | Prof. Masao Ishikawa delivered an invited talk on "Leaf poset and multi-colored hook length property" at Séminaire de Combinatoire et Theorie des Nombres held at Institut Camille Jordan, Université Claude Bernard Lyon I in France. |
| 2017/8/9 | Prof. Hideyuki Miura delivered an invited talk "On uniqueness for the supercritical harmonic map heat flow" at a symposium held at Hokkaido University. |
| 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. |
| 2017/7/28 | 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 |
| 2017/7/12 | 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. |
| 2017/6/1 | Dr. Katsuyuki Takashima (Kunihiro group) received the IEICE Best Paper Award in 2016. pdf(in Japanese) |
| 2017/5/5 | Prof. Sadayoshi Kojima delivered an invited talk "On the moduli space of equilateral plane pentagons" at IMS Workshop, Geometric Structures and Representation Varieties, held at National University in Singapore. |
| 2017/4/1 | Prof. Tsuyoshi Takagi moved to Graduate School of Information Science and
Technology, the University of Tokyo. He also has a cross appointment with Institute of Mathematics for Industry, Kyushu University. |
| 2017/3/22-23 | 3rd Asian Post-Quantum Cryptography Forum was held at Tokyo Institute of Technology. http://www.is.c.titech.ac.jp/3rd-asia-pqc-forum/ |
| 2017/3/16 | 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. |
| 2017/3/14 | 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. |
| 2017/3/10 | 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. |
| 2017/3/10 | Prof. Hideyuki Miura (Tanaka group) delivered an invited talk "On uniqueness for the harmonic map heat flow in supercritical dimensions" at Waseda University. |
| 2017/2/28 | Prof. Masato Wakayama delivered an invited talk on "Symmetry of asymmetric quantum Rabi models" at University of Bologna. |
| 2017/2/20 | 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. |
| 2017/2/16 | 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/ |
| 2016/11/29 | 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. |
| 2016/11/22 | Shinya Okumura, Koichiro Akiyama and Tsuyoshi Takagi received the Outstanding Paper Award in the Fourth International Symposium on Computing and Networking (CANDAR'16) "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/ |
| 2016/10/29 | 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. |
| 2016/10/26 | Prof. Sadayoshi Kojima (Tanaka group) delivered an invited talk on "Normalized entropy versus volume for pseudo-Anosovs" at Kyoto University. |
| 2016/10/1 | 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) |
| 2016/9/22 | Prof. Tsuyoshi 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/ |
| 2016/9/19 | 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. |
| 2016/9/14 | Atsushi Takayasu delivered an invited talk on "Parameter Selections for Approximate GCD Problems" at IWSEC 2016 held in Akihabara, Tokyo. |
| 2016/9/13 | 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 |
| 2016/9/10 | Prof. Masato Wakayama delivered an invited talk on "Generalized Quantum Rabi models and Finite Dimensional Representations of sl_2" in Okinawa. |
| 2016/7/5 | 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 |
| 2016/7/1 | A new member joined CREST team: Yasuhiko Ikematsu in Takagi group (Postdoctoral Research Fellow, IMI, Kyushu University) |
| 2016/6/10 | 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. |
| 2016/6/9-10 | Prof. Tsuyoshi Takagi and Prof. Kirill Morozov delivered invited talks at the Workshop "First Post-Quantum Cryptography Asia Forum" ,held in Chengdu. http://cps.cqu.edu.cn/ |
| 2016/6/6 | 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. |
| 2016/6/2 | Dr. Katsuyuki Takashima (Kunihiro group) received the IEICE Best Paper Award in 2015. pdf(in Japanese) |
| 2016/5/29 | 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. |
| 2016/5/1 | Dr. Shinya Okumura, Postdoctoral Research Fellow, moved to Institute of Systems, Information Technologies and Nanotechnologies (ISIT) as a researcher |
| 2016/4/27 | CALL FOR PAPERS : CREST BOOK
"Mathematical Modelling for Next-Generation Cryptography", Mathematics for Industry, Springer. Submission Deadline: December 2nd, 2016 |
| 2016/4/22 | Prof. D.Braak delivered an invited talk on "Exact Methods in Theoretical Quantum Optics " , held at Kyushu University. http://www.imi.kyushu-u.ac.jp/eng/seminars/view/1058 |
| 2016/4/1 | 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. |
| 2016/3/23 | 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. |
| 2016/3/14 | Prof. Tsyoshi Takagi delivered an invited talk on "Lattice Reduction and Lattice Cryptography" at Taft Research Center held at University of Cinccinati. |
| 2016/3/9 | 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. |
| 2016/2/24-26 | Post-Quantum Cryptography 2016 was held at Nishijin Plaza, Kyushu University. NIST’s Plan for the Future was introduced at the conference. (pdf) |
| 2016/2/3 | 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. |
| 2016/1/14 | 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 |
| 2015/12/12 | 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) |
| 2015/12/10 | Ye Yuan, Chen-Mou Cheng, Shinsaku Kiyomoto, Yutaka Miyake ane 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. |
| 2015/11/25 | Prof. Tsuyoshi Takagi delivered an invited talk at JST CREST Optimum Modeling seminar at the University of Tokyo. |
| 2015/11/12 | 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. |
| 2015/11/12 | 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 |
| 2015/11/9 | Prof. Yoshinori Yamasaki (Wakayama group) delivered an invited talk on "Ramanujan Cayley graphs and the Hardy-Littlewood conjecture" at Nagoya University. |
| 2015/10/31 | 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. |
| 2015/10/26-30 | Forum "Math-for-Industry" 2015 - The Role and Importance of Mathematics in Innovation was held at IMI, Kyushu University |
| 2015/10/7 | 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 |
| 2015/9/25 | 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. |
| 2015/9/8 | 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. |
| 2015/9/6-11 | Prof. Tsuyoshi Takagi and Prof. Kirill Morozov delivered invited talks
at Dagstuhl Seminar "Quantum Cryptanalysis" held in Germany. Prof. Tsuyoshi Takagi: "Improvement on BKZ Lattice Reduction Algorithm" Prof. Kirill Morozov: "On security of the Courtois-Finiasz-Sendrier signature" |
| 2015/8/6 | Prof. Sadayoshi Kojima (Tanaka group) delivered an invited talk on "Normalized Entropy versus Volume for pseudo-Anosovs" at Nagoya Institute of Technology. |
| 2015/8/4 | 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. |
| 2015/7/24 | Prof. Yuji Terashima (Tanaka group) delivered an invited talk on "Partition q-series" at Keio University. |
| 2015/7/16 | 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. |
| 2015/6/25 | 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. |
| 2015/6/5 | 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. |
| 2015/4/30 | Prof. Masato Wakayama delivered an invited talk on "Spectrum of the quantum Rabi model and representation theory" at Workshop on "Probabilistic models with determinantal structure" held at Kyushu University. |
| 2015/4/1 | New members joined CREST team: Masaya Yasuda and Shinya Okumura in Takagi group Shingo Sugiyama in Wakayama group Yao Lu in Kunihiro group |
| 2015/2/25 | Prof. Masato Wakayama delivered an invited talk on "Quantum Rabi’s model and representation theory" at Universit of Bologna. |
| 2015/1/21-22 | The 4th international conference on Mathematical Analysis on Fluid Dynamics and Conservation Laws was held. |
| 2015/1/13 | Prof. Tsuyoshi Takagi delivered an invited talk on "MQ Challange:hardness evaluation of solving multivariate quadratic problems"
at DIMACS Workshop on The Mathematics of Post-Quantum Cryptography held at Rutgers University. DIMACS Workshop on The Mathematics of Post-Quantum Cryptography |
| 2014/11/18 | 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. |
| 2014/11/6 | Prof. Yuji Terashima (Tanaka group) delivered an invited talk on "Mutation loops and geometry" in Sugadaira, Nagao. |
| 2014/10/23-24 | Mathematics and Physics of Interacting Quantum Systems (MPIQS)
was held. |
| 2014/10/16 | 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. |
| 2014/10/7 | Prof. Masato Wakayama delivered an invited talk on "Quantum Rabi's model and non-commutative harmonic oscillators" at Kyoto University. |
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