Patent ID: 8788807
Filing Date: 2014-07-22
Classification: H04L

Abstract:
1. A method for protecting user privacy comprising: receiving, from a user, at a key server, a first derived identity generated from a key stored at a user's device and at least one first session parameter comprising an application identity and a first session variable associated with a first session, wherein the at least one first session parameter is not received by the key server; identifying said key based upon said first derived identity at the key server, wherein said key and said first derived identity are pre-stored at the key server with a plurality of different keys, different first derived identifiers, and possible values of the at least one first session parameter; generating a first traffic key based upon said first derived identity at the key server if the application identity and the key have the same value as a corresponding application identity and key stored at the key server; and sending the first traffic key to an application to enable encrypted communication.