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Method and apparatus for synchronizing an adaptable security level in an electronic communication

  • US 9,253,161 B2
  • Filed: 01/10/2014
  • Issued: 02/02/2016
  • Est. Priority Date: 08/19/2003
  • Status: Active Grant
First Claim
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1. A method of communicating in a secure communication network, comprising:

  • receiving expected security level data for a plurality of correspondents, wherein the expected security level data indicate that two or more of the plurality of correspondents have different expected security levels;

    determining a group security level that is acceptable to all of the plurality of correspondents based on the expected security level data;

    sending a group security level data to a sender, the group security level data indicating the group security level; and

    receiving, from the sender, a frame for transmission to the plurality of correspondents, the frame includes data and a header indicating a security level for the frame, wherein the security level for the frame meets the group security level.

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