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Secure system using images of only part of a body as the key where the part has continuously-changing features

  • US 20010004231A1
  • Filed: 01/26/2001
  • Published: 06/21/2001
  • Est. Priority Date: 12/08/1998
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • obtaining information indicative of a biometric;

    forming multiple separated samples indicative of said biometric, said separated samples representing separate portions of information from the biometric which separated samples are separated from one another by a specified amount;

    controlling said forming according to a value which is effectively random, such that forming at two different times will form two different samples; and

    sending said multiple separated samples indicative of said biometric, and not all of the information indicative of the biometric, at any of said different times.

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