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Authentication service

  • US 8,713,661 B2
  • Filed: 07/18/2011
  • Issued: 04/29/2014
  • Est. Priority Date: 02/05/2009
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • authenticating an authentication service and a user based on presentation of a token by the user by;

    receiving, at the authentication service, a token identifier from the token;

    based on the received token identifier, accessing, by the authentication service, a user identifier known only by the authentication service and by the token;

    completing a mutual authentication of the authentication service and the user based on the user identifier;

    receiving, at the authentication service and from the token, in response to completion of mutual authentication, the user identifier, the user identifier being different from the token identifier and absent from any memory or storage associated with the authentication service prior to the receipt of the user identifier from the token;

    authenticating, by the authentication service, a service provider; and

    subsequent to authenticating the authentication service, the user and the service provider, providing the service provider with access to data comprising;

    generating an access code by generating a one way permutation using the user identifier and a service provider identifier, the access code providing information for locating multiple data storage locations;

    using the access code to access at least some of the multiple data storage locations; and

    retrieving and assembling the data from the accessed data storage locations.

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