报告人：穆怡 教授
澳大利亚卧龙岗大学教授
题目: Public Key Encryption with Keyword Search against Insider Attack
时间：2015年12月21日（星期一）上午10:00
地点：勤学楼 3307
Public Key Encryption with Keyword Search against Insider Attack
The ciphertext retrieval is of paramount importance for data confidentiality and utilization. Thanks to bilinear-pairing-based cryptography, searching in an encrypted data has become a reality. The most common application of searchable encryption is cloud storage systems, where an honest-but-curious server manages the storage system and is able to find correct text from an encryption without decrypting it. Although the security against outsiders can be achieved, the most challenging task is to resist the so-called insider attack from the untrusted cloud storage server, who can actively guess the encrypted text with high probability. In this talk, the security models of searchable encryption such as secure channel free and insider attack will be discussed. A novel framework to resist inside attacks will be introduced. In addition, a discussion will be presented to show how to reduce the computational cost of searchable encryption with pre-computation.
Presenter: Professor Yi Mu
Professor Yi Mu received his PhD from the Australian National University in 1994. He is currently a full professor and Director of Centre for Computer and Information Security Research at University of Wollongong, Australia. He was the Head of School of Computer Science and Software Engineering at University of Wollongong during 2011-2015. Prior to joining University of Wollongong, he was a senior lecturer in the Department of Computing, Macquarie University. He also worked in the Department of Computing and IT, University of Western Sydney as a lecturer. He has been with the University of Wollongong since 2003. His current research interest includes cryptography, information security and quantum cryptography. He has published over 370 research papers, including over 140 journal papers. His research has been funded by Australian Research Council and industry. He has served as program chair and member of program committee over 200 conferences including ACM CCS, ESORICS, ACISP, AisaCCS, etc. and is currently a member of the steering committees of AsiaCCS, CANS and ProvSec. Professor Yi Mu is the editor-in-chief of International Journal of Applied Cryptography and serves as associate editor for nine other international journals including Information Sciences, The Computer Journal, etc. He is a senior member of the IEEE. Further information about Professor Yi Mu can be found at http://www.uow.edu.au/~ymu
