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Increased communication security

  • US 9,876,643 B2
  • Filed: 07/21/2016
  • Issued: 01/23/2018
  • Est. Priority Date: 03/31/2014
  • Status: Active Grant
First Claim
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1. A method of increasing communication security, said method comprising:

  • responsive to receiving a first message from a first computer system, determining whether said first computer system is authorized to communicate with a second computer system, wherein said determining is performed at a third computer system;

    generating a first data portion associated with a security token, wherein said generating said first data portion includes accessing data, wherein said data includes a first instance of a session key, and wherein said generating said first data portion further includes encrypting, using a key associated with said second computer system, said data to generate said first data portion;

    if said first computer system is authorized to communicate with said second computer system, communicating a second message from said third computer system for delivery to said first computer system, wherein said second message includes said first data portion and a second data portion, and wherein said second data portion includes a second instance of said session key;

    communicating a third message from said first computer system for delivery to said second computer system, wherein said third message includes said first data portion.

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