Reply to post: Re: Fingerprints, versus an effective "hash" code of the print created on-board

Clock blocker: Woman sues bosses over fingerprint clock-in tech

Anonymous Coward
Anonymous Coward

Re: Fingerprints, versus an effective "hash" code of the print created on-board

> ... creating a finger scan template, which is then stored in an encoded format.

Please don't confuse this with a hash as it's not.

They're likely using ISO 19794-2 and 19794-4, which are electronic representations specifically for fingerprint data.

They're widely used in the industry, with both Open Source and commercial programs and libraries available for working with them.

Relevant links:

  • OpenBR - Open Source Biometric Recognition project
  • SourceAFIS - Java & .Net library for fingerprint matching
  • NIST Standard (PDF)
  • MINEX - Minutiae Interoperability Exchange

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