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System, method and apparatus for secure two-tier backup and retrieval of authentication information

  • US 20040117636A1
  • Filed: 09/24/2003
  • Published: 06/17/2004
  • Est. Priority Date: 09/25/2002
  • Status: Abandoned Application
First Claim
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1. A method for backing up a biometrics-based authentication device comprising the steps of:

  • obtaining a first encryption key;

    enciphering lower tier data with said first encryption key to generate an encrypted lower tier backup file;

    obtaining a second encryption key; and

    enciphering upper tier data with said second encryption key to generate an encrypted upper tier backup file, wherein said lower tier data contain encrypted identification of a user and authentication information associated therewith and wherein said upper tier data contain biometrics data of said user and said lower tier data encrypted with said first encryption key.

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