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Electronic data vault providing biometrically protected electronic signatures

  • US 7,941,380 B2
  • Filed: 05/21/2009
  • Issued: 05/10/2011
  • Est. Priority Date: 06/18/2001
  • Status: Expired due to Fees
First Claim
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1. A method of associating at least one cryptographic key with a specific user and storing an associated key in a datastore specific to the specific user, the method comprising:

  • storing a set of personal identifiers, including at least one personal identifier, associated with the specific user in a datastore specific to the specific user;

    linking the set of personal identifiers with at least one cryptographic key generated for the specific user;

    signing, with a certificate authority, one of the at least one cryptographic keys;

    communicating a success code from an e-signature application to an authentication engine after successfully completing said signing operation; and

    registering the specific user for the e-signature application upon receiving the success code at the authentication engine, whereinthe set of personal identifiers includes at least one biometric identifier, andanother of the at least one cryptographic keys is subsequently accessed bycapturing the at least one biometric identifier from a user at a client system, the client system being configured to communicate with at least the authentication engine,comparing the captured at least one biometric identifier against a datastore of previously stored personal identifiers with the authentication engine, andon matching a personal identifier with the captured at least one biometric identifier, providing the other cryptographic key for use.

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