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METHODS AND SYSTEMS FOR END-TO-END SECURE SIP PAYLOADS

  • US 20110131414A1
  • Filed: 11/30/2009
  • Published: 06/02/2011
  • Est. Priority Date: 11/30/2009
  • Status: Active Grant
First Claim
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1. A method for protecting a Session Initiation Protocol (SIP) message payload transmitted between a target SIP application server toward a client application residing in one of a user equipment (UE) or in another SIP application server comprising:

  • determining whether said target SIP application server is associated with said client application'"'"'s domain or with another domain which is different than said client application'"'"'s domain;

    if said target SIP application server is associated with said client application'"'"'s domain and if said client application resides in said UE, then protecting said SIP message payload using a Generic Bootstrapping Architecture (GBA) key management protocol between said client application residing in said UE and said target SIP application server; and

    if said target SIP application server is associated with said another domain or if said client application resides in said another SIP application server, then protecting said SIP message payload using a hop-by-hop key management protocol between said client application and said target SIP application server.

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