We present the first hierarchical identity based encryption (HIBE) system that has full security for more than a constant number of levels. In all prior HIBE systems in the literat...
In this work, we design a method for creating public key broadcast encryption systems. Our main technical innovation is based on a new “two equation” technique for revoking us...
The security of content distribution is a critical issue that all the content providers have to treat seriously in order to guarantee their business. Emmanuel and Kankanhalli propo...
The prevalent nature of Internet makes it a well suitable medium for many new types of services such as location-based services and streaming content. Subscribers to such services ...
Multicast and broadcast are efficient ways to deliver messages to a group of recipients in a network. Due to the growing security concerns in various applications, messages are oft...
Zhi-Zhong Chen, Ze Feng, Minming Li, F. Frances Ya...