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Method and apparatus for securely handling data in a database of biometrics and associated data

  • US 5,790,668 A
  • Filed: 12/19/1995
  • Issued: 08/04/1998
  • Est. Priority Date: 12/19/1995
  • Status: Expired due to Term
First Claim
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1. A method for the secure handling of data, comprising the steps of:

  • (a) acquiring a database of personal identifiers and data comprising, repetitively;

    (i) acquiring a person identifier;

    (ii) acquiring data;

    (iii) encrypting said data with an encryption key such that said encrypted data has a decryption key;

    (iv) associating said encrypted data with said personal identifier in said database;

    (v) encrypting said decryption key utilising a personal identifier;

    (b) comparing a personal identifier of a given individual with the database and, on a match with a personal identifier in said database, obtaining encrypted data associated with said matching personal identifier;

    (c) obtaining a decryption key for the encrypted data with the following steps;

    (i) obtaining an encrypted version of said decryption key from storage;

    (ii) performing a decryption operation on said encrypted decryption key utilising said personal identifier of step (a)(v);

    (d) performing a decryption operation on the encrypted data with the key obtained in step (c)(ii).

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