Privileged Communications

Privileged communications.

Dynamic Access Control for Multi-privileged Group Communications

Recently, there is an increase in the number of group communication applications which support multiple service groups of different access privileges. Traditional access control schemes for group applications assume that all the group members have the same access privilege and mostly focus on how to reduce rekeying messages upon user joining and leaving. Relatively little research effort has be...

Privileged communications: medical confidentiality in late Victorian Britain.

But at the turn of the century a number of court cases brought home to British doctors the fact that there were no hard and fast rules governing disclosure. Some in the profession argued that since medical colleagues in Europe and parts of North America had the legal right to defend the secrecy of their "privileged communications", British doctors' reputations would suffer if they did not win t...

Multiway Tree-Based Group Key Management Using Chinese Remainder Theorem for Multi-Privileged Group Communications

Key management becomes more difficult in multi-privileged communications due to the dynamic membership and the complex relations between users and resources. In this paper, we propose a novel key management scheme in which the key graph is based on multiway trees. Chinese remainder theorem is employed to combine some encrypted rekeying materials into a short message for rekeying. As a result, u...

Privileged Communications Between Husband and Wife: Extension of the Privilege to Acts in Criminal Cases