Patent ID: 7181616
Filing Date: 2007-02-20
Classification: H04L

Abstract:
1. A method of providing a data transmission between a sending node and a receiving node via a third node in a network, the method comprising the steps of: (1) providing an encrypted message including a message authentication; (2) fragmenting the encrypted massage into a plurality of sections; (3) forming a plurality of packets for transporting the plurality of the sections, each of the plurality of packets including a flag indicating a presence of the message authentication; (4) establishing the data transmission of the plurality of packets between the sending node and the receiving node; (5) decrypting a member of the plurality of sections at the third node; (6) authenticating the member at the third node; (7) sending an explicit notification to the receiving node; and (8) forwarding the decrypted and authenticated member of the plurality of sections to the receiving node.