Patent ID: 6823456
Filing Date: 2004-11-23
Classification: G06F,H04L

Abstract:
A method for providing trusted service in a client/server network, the method comprising the steps of:providing at least one client; providing at least one trusted server (TS); providing at least one trusted server agent (TSA) which executes either on or near the at least one client, and which provides a trusted service on behalf of the at least one TS; the at least one client requesting the at least one TSA to provide a trusted service, wherein the trusted service is providing a trusted timestamp; the at least one TSA communicating with at least one trusted entity in the network to request a trusted timestamp, wherein the at least one trusted entity is another TS or another TSA; in response to the request, the at least one trusted entity determining a reliable time, generating a trusted timestamp using the reliable time, and sending the trusted timestamp to the at least one TSA.