Method and system for generating a key record
First Claim
1. A method for generating a key record for a verification process from a person'"'"'s biometric data, comprising the steps of:
- capturing by sensor technology a biometric feature of the person for generating biometric raw data, deriving characteristic data from the biometric raw data, and generating a key record in dependence on the derived characteristic data, wherein only a selection of especially characteristic data is derived from the biometric raw data, and the key record, which is always uniquely reproducible and generated from said characteristic data.
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Abstract
It is proposed to combine the advantages of PIN-based protection systems and biometry-based protection systems and avoid the disadvantages of the respective systems by generating the PIN biometrically uniquely. For this purpose it is provided that only characteristic data that are uniquely reproducible are derived from the determined biometric raw data. On the basis of these uniquely reproducible characteristic data a key record is then generated that either constitutes the PIN code or is used to generate the PIN code. The PIN code is thus always reproducible uniquely on the basis of the biometric data. The user need no longer remember the PIN code, and the PIN code cannot be passed on to third parties.
45 Citations
26 Claims
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1. A method for generating a key record for a verification process from a person'"'"'s biometric data, comprising the steps of:
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capturing by sensor technology a biometric feature of the person for generating biometric raw data, deriving characteristic data from the biometric raw data, and generating a key record in dependence on the derived characteristic data, wherein only a selection of especially characteristic data is derived from the biometric raw data, and the key record, which is always uniquely reproducible and generated from said characteristic data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
generating a verification key record or PIN code according to claim 1, comparing the verification key record with a reference record likewise generated according to claim 1, and authenticating the person if the verification key record or PIN code identically matches the reference record.
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20. The method according to claim 19, wherein the key record or PIN code is stored as a reference record on a data carrier card.
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21. A system for generating a key record for a verification process from a person'"'"'s biometric data, comprising:
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sensors for capturing biometric raw data on the basis of a biometric feature of the person, a device for deriving characteristic data from the raw data, and a device for generating a key record on the basis of the characteristic data, said device for generating a key record always generating the same key record for differently derived characteristic data by evaluating only a selection of the biometric reference or verification data that have special characteristics. - View Dependent Claims (22, 23, 24, 25, 26)
a system according to claim 21, a comparison device for comparing a key record with a reference record, and an output device for effecting an authentication of the person if a complete match between key record and reference record is ascertained by the comparison device.
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Specification