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Locking folders effectively protects data from malicious programs, such as viruses, worms, and Trojans. Biometric template protection is a hot topic of research recently. Fuzzy vault is a recently developed construct which binds secret key (Password) and biometric information to provide template protection. In this paper, the authors propose a biometric folder locking system using fuzzy vault for face. At the user's side, biometric template (face) and the password are accepted from the user. At the locking stage, fuzzy vault encoding is implemented by transforming the biometric template and the password. Then, at the unlocking stage, for the biometric template claimed by the user, corresponding fuzzy vault will be checked. If it has been changed then folder unlocking will be failed.
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