Electrical computers and digital processing systems: support – System access control based on user identification by... – Using record or token
Reexamination Certificate
2008-07-14
2011-12-13
Chea, Philip (Department: 2492)
Electrical computers and digital processing systems: support
System access control based on user identification by...
Using record or token
C713S159000, C713S185000
Reexamination Certificate
active
08078885
ABSTRACT:
Security tokens contain data that is each uniquely encrypted based on a unique biometric identifier of an authorized user of that token. Decoders receive the token and the user's biometric identifier, convert the biometric identifier to a biometric key, and apply the biometric key to decrypt the token. In this way, the decoders authenticate the users without performing a biometric identifier comparison. In some embodiments pieces or sets of the data are stored in designated data compartments, which are individually encrypted based on authority keys, and all of the encrypted data compartments are collectively encrypted based on the biometric key to create the token. The decoders store only the authority keys corresponding to the data compartments which they have authorization to open. In addition, in some embodiments the token and the biometric identifier are encrypted and sent to a remote authentication server for decryption of the token.
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Chea Philip
Gardner Groff Greenwald & Villanueva
Innovation Investments, LLC
LandOfFree
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