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Apparatus and method for dynamically verifying information in a distributed system

  • US 7,089,263 B2
  • Filed: 05/10/2002
  • Issued: 08/08/2006
  • Est. Priority Date: 02/26/1998
  • Status: Expired due to Term
First Claim
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1. A method for verifying data in a distributed system, comprising:

  • determining whether a need exists to verify data;

    transmitting a request for a verification object;

    receiving from a remote device a response to the request including at least one of executable code or a reference to executable code;

    determining whether the response includes a reference to executable code;

    based on a determination that the response includes a reference to executable code, downloading the referenced executable code from a second remote device;

    verifying the data by executing the executable code;

    determining whether a need exists to verify additional data and whether the additional data can be verified by the executable code; and

    based on the determination that a need exists to verify additional data and that the additional data can be verified by the executable code, verifying the additional data by executing the executable code without transmitting a new request for a verification object.

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