Self-synchronizing authentication and key agreement protocol

Self-synchronizing authentication and key agreement protocol

  • CN 1,708,178 B
  • Filed: 06/03/2005
  • Issued: 10/14/2015
  • Est. Priority Date: 06/04/2004
  • Status: Active Grant
First Claim
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1. carry out a method for radio communication with at least one mobile unit and at least one authentication center, the method comprises:

  • At least one access request is produced based at least one First ray be associated with described mobile unit number by described mobile unit;

    AndAt least one the 3rd message was received by described mobile unit before the certification of described mobile unit, 3rd message by Visited Location Registor according to the second message generation, this second message is received from described authentication center by Visited Location Registor, this second message comprises the second sequence number be associated with described authentication center, and described second sequence number is selected based on described First ray number and is that described mobile unit is acceptable.

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