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System for authenticating access to a network, storage medium, program and method for authenticating access to a network

  • US 20020026590A1
  • Filed: 03/13/2001
  • Published: 02/28/2002
  • Est. Priority Date: 03/13/2000
  • Status: Abandoned Application
First Claim
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1. An access authentication system for providing a client with a service of connection to a second terminal server via a first terminal server, characterized by comprising:

  • a first authentication server for determining whether or not the client should be connected to the first terminal server, on the basis of personal information input by the client to the first terminal server, the first authentication server creating first ticket data by encoding a client parameter, which includes part of the personal information, on the basis of a predetermined formula, and transferring the first ticket data to the second terminal server; and

    a second authentication server for detecting whether or not the client parameter is valid and whether or not the first ticket data has been used, creating second ticket data by encoding the client parameter on the basis of a predetermined formula, comparing the first and second ticket data, and supplying the second terminal server with data indicative of whether or not the second terminal server should be connected to the client.

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