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Biometric key generation based on generated intervals and two-layer error correcting technique
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DOI：10.1016/j.patcog.2020.107733.png)
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Abstract
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As for a biometric key, key management and biometric data security are both important. Existing biokey generation methods are usually based on the biometric templates or features directly, it may expose user's biometric data and will further make the biometric data permanently unusable for his secure identification recognitions. In this paper, a fingerprint bio-key generation approach using the feature distance is proposed. We utilize the relative distances among user's fingerprint minutiae to generate a unique biokey. Such bio-key is determinable and recoverable via the generation interval scheme. In addition, we use a two-layer error correcting technique to guarantee a better reliability during the data transmission. The experimental results positively show that our approach can ensure higher security of the bio-key and guarantee a good key regeneration rate. Besides, the storage of the original bio-key or any fingerprint template is unnecessary. (C) 2020 Elsevier Ltd. All rights reserved.
Keywords:
Feature distance
Generated interval
Bio-key
Biometric
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