Many authorization system models include some notion of obligation. Little attention has been given to user obligations that depend on and affect authorizations. However, to be u...
Murillo Pontual, Omar Chowdhury, William H. Winsbo...
BGP prefix hijacking is a serious security threat on the Internet. In this paper we propose a region-based BGP announcement filtering scheme (RBF) to improve the BGP security. I...
In this paper, we propose a new practical identity-based encryption scheme which is suitable for wireless sensor network (WSN). We call it Receiver-Bounded Online/Offline Identity...
Cheng-Kang Chu, Joseph K. Liu, Jianying Zhou, Feng...
In distributed environments, statements from a number of principals, besides the central trusted party, may influence the derivations of authorization decisions. However, existin...
Digital identity and trust management mechanisms play an important role on the Internet. They help users make decisions on trustworthiness of digital identities in online communit...
In this paper, we introduce a framework for secure two-party (S2P) computations, which we call bureaucratic computing, and we demonstrate its efficiency by designing practical S2P...
Guan Wang, Tongbo Luo, Michael T. Goodrich, Wenlia...
In an attribute-based signature (ABS), users sign messages with any predicate of their attributes issued from an attribute authority. Under this notion, a signature attests not to...
Jin Li, Man Ho Au, Willy Susilo, Dongqing Xie, Kui...