System and Method for Decoupling Identification from Biometric Information in Biometric Access Systems
First Claim
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1. A method for storing biometric information received from an individual in a database, the method comprising:
- receiving a personal identification number from the individual;
obtaining biometric information associated with the individual;
applying a calculation on the personal identification number, wherein the result of the calculation serves as an encryption key;
encrypting the biometric information using the encryption key; and
storing the encrypted biometric information in the database.
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Abstract
A system and method are provided for providing increased security when storing biometric information and personal information in a biometric access system. A personal information number or personal search code that is known only to the individual and not stored by the biometric access system may be used to generate encryption keys, bin numbers and addresses in the biometric access system that make it difficult to access biometric information or relate biometric information to personal information that may be stored in a segregated database.
32 Citations
28 Claims
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1. A method for storing biometric information received from an individual in a database, the method comprising:
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receiving a personal identification number from the individual;
obtaining biometric information associated with the individual;
applying a calculation on the personal identification number, wherein the result of the calculation serves as an encryption key;
encrypting the biometric information using the encryption key; and
storing the encrypted biometric information in the database. - View Dependent Claims (2, 3, 4, 5)
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6. A method for storing personal information received from an individual in a database, the method comprising:
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receiving a personal identification number from the individual;
receiving personal information from the individual;
applying a calculation on the personal identification number, wherein the result of the calculation serves as a link to a unique address in the database for storing personal information; and
storing the received personal information at the unique address. - View Dependent Claims (7, 8, 9, 10, 11)
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12. A method for accessing an individual'"'"'s stored personal information in a biometric access system, the method comprising:
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receiving a personal identification number from an individual;
obtaining sample biometric information associated with the individual;
applying a calculation on the personal identification number, wherein a result of the calculation serves as a decryption key;
decrypting encrypted registered biometric information stored in a database of the biometric access system with the result of the calculation;
upon successful decryption of such encrypted registered biometric information, comparing the sample biometric information with the decrypted registered biometric information to determine a match; and
upon successful determination of a match, accessing stored personal information relating to the individual in the biometric access system. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A system form securely storing biometric information and personal information relating to and individual, the system comprising:
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a biometric database, wherein registered biometric information of the individual is stored, wherein the stored registered biometric information is encrypted using the result of a calculation on a personal identification number known only to the individual; and
a personal information database segregated from the biometric database, wherein the personal information database contains one or more records, wherein personal information relating to the individual is stored in a record. - View Dependent Claims (24, 25, 26)
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- 22. The system of 21 wherein the individual'"'"'s registered biometric information is stored in a bin in the biometric database, wherein the bin number associated with the bin is derived from a second calculation of the personal identification number.
- 27. The system of 21 wherein the calculation comprises an encryption algorithm and a one-way hash function applied to the personal identification number.
Specification