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Access control system for information services based on a hardware and software signature of a requesting device

  • US 8,171,287 B2
  • Filed: 03/10/2005
  • Issued: 05/01/2012
  • Est. Priority Date: 03/10/2004
  • Status: Active Grant
First Claim
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1. A method for identifying devices and controlling access to a service, comprising the steps of:

  • collecting data related to software and hardware configurations from a device through a software agent installed on the device;

    generating a digital signature for the device by hashing the software and hardware configuration data, wherein the resulting hashes are used to generate the digital signature are changed with every attempt to access a service;

    sending the digital signature of the device to an authentication server, wherein the authentication server compares the digital signature sent with one or more previously-stored digital signatures; and

    determines whether the device has been excluded from accessing or enrolling in the service through the authentication server by determining whether the device is on a list or in a group of devices not allowed to access the service, or is included within a group of devices allowed to access the service.

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