PRUNES: an efficient and complete strategy for automated trust negotiation over the Internet

The Internet provides an environment where two parties, who are virtually strangers to each other, can make connections and do business together. Before any actual business starts, a certain level of trust should be established. Each party should make sure that the other one is quali ed and can be trusted for the ongoing business. Property-based digital credentials 1] make it possible to prove that a party satis es certain requirements imposed by the ongoing business. The problem is that digital credentials themselves also contain valuable information which a party does not want to show to just any strangers. Therefore, for each credential there is usually a disclosure policy associated with it, indicating under what circumstances this credential can be disclosed. An automated trust negotiation strategy needs to be adopted to establish trust between two parties based on their disclosure policies. Previously proposed negotiation strategies may either fail when in fact success is possib...

• Type: Conference
• Year: 2000
• Where: CCS
• Authors: Ting Yu, Xiaosong Ma, Marianne Winslett
• Keywords: CCS 2000, Credential, Security Privacy, Trust Negotiation Strategy, Trust Negotiations