Abstract
Biometrics is a universally used automatic identification of persons, depending on their behavioral and biological quality. Biometric authentication represents a significant role in the identity management system. Protection of biometric authentication systems demands to be discussed as there are still some points related to the integrity and public receiving of biometric systems. Feature extraction module of biometric authentication systems, during the period of enrolment, scan the biometric information to determine a set of distinctive features. This set of totally distinct features is recognized as a biometric template. This biometric template is effective in distinguishing between different users. These templates are normally stored during the time of enrolment in a database arranged by the user’s identification data. For the templates of biometrics, protection from attackers is an essential issue, since the compromised template will not be canceled and reissued like a password or token. Template security is not an obvious task because of variations present within the extracted biometric features of users. This paper surveys about different existing approaches for designing a protection scheme for biometric templates with their strengths and boundaries existing in the literature. Some prospect information in designing template protection schemes have been elaborately explained in this paper.
Keywords: Biometrics, template protection, schemes, biometric authentication systems, FRR, FAR.
Graphical Abstract
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