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Physical items for holding data securely, and methods and apparatus for publishing and reading them

  • US 7,712,675 B2
  • Filed: 07/26/2006
  • Issued: 05/11/2010
  • Est. Priority Date: 01/15/2003
  • Status: Active Grant
First Claim
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1. A physical object, comprising one or more memory circuits attached to or incorporated within the physical object that are wirelessly readable by a reader device, wherein data in the memory circuit is protected from access by an unauthorized reader, wherein data in the memory circuit identifies an authorized bearer of the physical object, and wherein data in the memory circuit allows access to a specified asset or assets by the authorized bearer,wherein the memory circuit contains biometric data of the authorized bearer and further authorization data steganographically hidden in the biometric data of the authorized bearer,wherein the further authorization data comprises encrypted data and a part of a decryption key for the encrypted data,wherein the encrypted data includes information relating to the specified asset or assets and the authorized bearers entitlement to access to it or them, andwherein the part of the decryption key is combinable with a bearer provided part of the decryption key to form a decryption key for decryption of the encrypted data.

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