Electrical computers and digital processing systems: support – System access control based on user identification by... – Using record or token
Patent
1997-11-14
2000-03-07
Swann, Tod R.
Electrical computers and digital processing systems: support
System access control based on user identification by...
Using record or token
713185, H04L 932
Patent
active
060353988
ABSTRACT:
A method and apparatus for generating a cryptographic key using biometric data is provided. A fingerprint is received, and features are extracted from the fingerprint. These features may include one or more of the following: A message is created based on the features of the fingerprint. For one embodiment, the message is a template including the features. For another embodiment, the message is a subset of features not included in a template. For another embodiment, the message is ghost points not corresponding to the features in the template. A message digest function is applied to the message to create a cryptographic key.
Another embodiment of the present invention uses features of the fingerprint image to generate a digital certificate. The public key used for the digital certificate is based on a fingerprint image. In one embodiment, the digital certificate contains a template including the fingerprint image or the features extracted from the fingerprint image. Verification of this template provides additional security to the validity of the digital certificate.
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DigitalPersona, Inc.
Jack Todd
Swann Tod R.
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