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Face-Based Authentication Using Computational Secure Sketch
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PRE
AI
DOI：10.1109/TMC.2022.3207830.png)
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Abstract
En 中文
Biometric features are quite suitable for identity authentication due to its inherent properties - universality, uniqueness and persistence. In fact, biometric authentication has been widely used in our daily life, especially in mobile devices. However, biometric features are quite sensitive, and once a feature is leaked to an evil adversary, it cannot be used in authentication any more. This leads to a push on research of biometric privacy protection. In this paper, we propose a face-based authentication system with the help of a computational secure sketch. The computational secure sketch takes charge of error tolerance on the face samplings. Then the face features of the same user are used to extract an authentication key, which is in turn used to do the identity authentication for the user. The computational security of the computational secure sketch makes sure that the public information obtained by the adversary does not affect the pseudorandomness of the authentication key, hence the privacy of face features is guaranteed. Moreover, the privacy protection technique in our face-based authentication system can be extended to other biometric-based authentication.
Keywords:
Feature extraction
Authentication
Faces
Mobile computing
Cryptography
Hamming distances
Biometrics (access control)
Face-based authentication
computational secure sketch
DMSP assumption
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