Secure and Privacy Preserving Proxy Biometrics Identities

• URL: http://arxiv.org/abs/2212.10812v1
• Date: Wed, 21 Dec 2022 07:02:11 GMT
• Title: Secure and Privacy Preserving Proxy Biometrics Identities
• Authors: Harkeerat Kaur, Rishabh Shukla, Isao Echizen and Pritee Khanna
• Abstract summary: This work proposes a novel approach for generating new artificial fingerprints also called proxy fingerprints. These proxy biometrics can be generated from original ones only with the help of a user-specific key. Using the proposed approach a proxy dataset is generated from samples belonging to Anguli fingerprint database. Matching experiments were performed on the new set which is 5 times larger than the original, and it was found that their performance is at par with 0 FAR and 0 FRR in the stolen key, safe key scenarios.
• Score: 25.272389610447856
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: With large-scale adaption to biometric based applications, security and privacy of biometrics is utmost important especially when operating in unsupervised online mode. This work proposes a novel approach for generating new artificial fingerprints also called proxy fingerprints that are natural looking, non-invertible, revocable and privacy preserving. These proxy biometrics can be generated from original ones only with the help of a user-specific key. Instead of using the original fingerprint, these proxy templates can be used anywhere with same convenience. The manuscripts walks through an interesting way in which proxy fingerprints of different types can be generated and how they can be combined with use-specific keys to provide revocability and cancelability in case of compromise. Using the proposed approach a proxy dataset is generated from samples belonging to Anguli fingerprint database. Matching experiments were performed on the new set which is 5 times larger than the original, and it was found that their performance is at par with 0 FAR and 0 FRR in the stolen key, safe key scenarios. Other parameters on revocability and diversity are also analyzed for protection performance.

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