Sharing life-log information in a social community has many advantages, both for the user and society. But sharing any type of personal information is a threat to privacy. In parti...
Secret sharing in user hierarchy represents a challenging area for research. Although a lot of work has already been done in this direction, this paper presents a novel approach t...
It is essential for security to be able to isolate mistrusting programs from one another, and to protect the host platform from programs. Isolation is difficult in object-oriented...