Releasing a classical digital signature faces to privacy issues. Indeed, there are cases where the prover needs to authenticate some data without making it possible for any malicio...
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...
Access control can be used to ensure that database queries pertaining to sensitive information are not answered. This is not enough to prevent users from learning sensitive inform...
Routing mechanisms for inter-autonomousregion communication require distribution of policy-sensitive information as well as algorithms that operate on such information. Without su...
Online social networks have become very popular in recent years and their number of users is already measured in many hundreds of millions. For various commercial and sociological...