Key management method

Key management method

  • CN 101,159,538 A
  • Filed: 11/16/2007
  • Published: 04/09/2008
  • Est. Priority Date: 11/16/2007
  • Status: Active Application
First Claim
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1. key management method, it is characterized in that:

  • this method is 4 way handshake protocols of a kind of RSNA of enhancing, and it may further comprise the steps;

    1), authenticator on the basis of the original definition content of message (1), add key agreement sign KNID and message integrity code MIC, constitute new message (1) after, send to the requestor;

    2), the requestor receives new message (1) afterwards, whether checking MIC field wherein correct, if incorrect, then directly abandons;

    Otherwise, carry out original checking, if be proved to be successful, then send message (2) to authenticator;

    3), authenticator receives message (2) afterwards, carries out original checking, if be proved to be successful, then sends message (3) to the requestor;

    4), the requestor receives message (3) afterwards, carries out original checking, if be proved to be successful, then sends message (4) to authenticator;

    5), authenticator receives message (4) afterwards, carries out original checking, if be proved to be successful, then 4 way handshake protocols complete successfully, authenticator negotiates consistent clean culture temporary key UTK with the requestor, and obtains the other side'"'"'s multicast master key GMK separately.

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