Youwen ZHU

Security Analysis of Collusion-Resistant Nearest Neighbor Query Scheme on Encrypted Cloud Data
Youwen ZHU Tsuyoshi TAKAGI Rong HU 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/02/01
Vol. E97-D  No. 2  pp. 326-330
Type of Manuscript:  LETTER
Category: Data Engineering, Web Information Systems
cloud computingencrypted querynearest neighborattack
 Summary | Full Text:PDF(215KB)

Efficient Privacy-Preserving Reputation Evaluation in Decentralized Environments
Youwen ZHU Tsuyoshi TAKAGI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/01/01
Vol. E97-A  No. 1  pp. 409-412
Type of Manuscript:  LETTER
Category: Cryptography and Information Security
reputation evaluationdecentralized environmentprivacy-preservingcommunication delay
 Summary | Full Text:PDF(138.2KB)