Mathematics and Cryptographic Research in Company
 Hold Date
 20150617 16:45～20150617 17:45
 Place
 Lecture Room L1 (3F, IMI, Kyushu University)
 Object person

 Speaker

Masaya YASUDA (IMI, Kyushu University)
The IMI Colloquium in June  Date：Wednesday, 17 June 2015 16:4517:45 lecture  Place：Lecture Room L1 (3F, IMI, Kyushu University)  Speaker：Masaya YASUDA (IMI, Kyushu University)   Title：Mathematics and Cryptographic Research in Company   Abstract: In this talk, I introduce my cryptographic research in company, and present the connection with mathematics. Specifically, I present the two topics:  Research on security evaluation of elliptic curve cryptography  Research and development of homomorphic encryption and its applications Firstly, elliptic curve cryptography was proposed independently by Koblitz and Miller in 2015. It makes use of mathematical properties of elliptic curves. In this talk, I present the mathematical problem assuring the security of elliptic curve cryptography, and also introduce efficient methods for solving the problem and their complexity. Secondly, homomorphic encryption is encryption supporting additions and multiplications on encrypted data. This encryption can operate data while preserving the confidentiality or the privacy, and hence it has been expected to be applied to various area such as cloud computing. In this talk, I introduce latticebased homomorphic encryption, and also give practical applications such as privacypreserving biometrics and secure text searching.   IMI Colloquium Report  