A biometric template anti-theft discrimination method
A biometric and discrimination method technology, applied in character and pattern recognition, digital data authentication, transmission systems, etc., can solve the problems of inability to "cancel, unavoidable, biometric forgery attacking biometric templates, identity information risks, etc." The effect of simple and efficient identification and processing
Active Publication Date: 2017-04-19
BEIJING IRISKING
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Problems solved by technology
Due to the "uniqueness" of biometric identification, once a person's biometric template is acquired, it cannot be "cancelled" or "changed", biometric identification will be completely exposed, and identity information will face huge risks
[0004] The traditional biometric identification encryption system (such as the Chinese invention patent with the publication number CN200710199631) adopts an encryption method to encrypt and store the biometric data, and it is difficult to avoid the attack of the biometric forgery or directly steal the encrypted biometric template. attack
Biometric living body detection technology (such as the Chinese invention patent with publication number CN200910079803.X) uses data analysis to determine whether the currently collected biometric data comes from a specific forgery, making the biometric recognition system have strong anti-counterfeiting capabilities, but Still not immune to all forgery attacks, let alone stolen biometric templates
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[0032] The objects and functions of the present invention and methods for achieving the objects and functions will be clarified by referring to the exemplary embodiments. However, the present invention is not limited to the exemplary embodiments disclosed below; it can be implemented in various forms. The essence of the description is only to help those skilled in the relevant art comprehensively understand the specific details of the present invention.
[0033] Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals represent the same or similar components, or the same or similar steps.
[0034] figure 1 It schematically shows the flowchart of the biometric template anti-theft discrimination method of the present invention.
[0035] Such as figure 1 Shown:
[0036] Step 110: Compare the similarity between the biometric template to be identified (hereinafter referred to a...
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The invention provides a biological feature template anti-theft discriminating method. The method comprises the steps of (a) carrying out similarity comparison of a biological feature template to be identified with at least one existing template in a user template database to obtain a comparison score, (b) calculating the probability of being a stolen template of the biological feature template to be identified based on the comparison score, (c) judging whether probability exceeds a threshold or not, if not, entering into a step (d), and if so, entering into a step (e), (d) judging the biological feature template to be identified as a normal biological feature template and judging that the identification is successful, (e) judging the biological feature template to be identified as the stolen biological feature template, and judging that the identification is abnormal. By using the biological feature template anti-theft discriminating method, the forged or stolen biological feature data and template of a biological feature identification system can be simply and efficiently identified and processed.
Description
technical field [0001] The invention relates to the technical field of biometric feature identification, in particular to a biometric feature template anti-theft discrimination method. Background technique [0002] Biometric identification technology refers to the technology of using the inherent and unique physiological characteristics or behavioral characteristics of the human body to conduct identity authentication through computers. Typical biometric recognition technologies include: iris recognition, fingerprint recognition, face recognition, palmprint recognition, voice recognition, etc. Compared with traditional identity authentication methods, biometric technology gets rid of the dependence on specific markers (such as keys, ID cards, etc.) and specific knowledge (such as passwords, passwords), and is more universal, unique, secure, Convenience and non-repudiation are considered to be the development trend of identity authentication in the future, and have been wide...
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IPC IPC(8): H04L9/32G06F21/32H04L9/28H04L29/06G06K9/00
Inventor 何召锋李星光马力
Owner BEIJING IRISKING