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Crypto-biometric systems, which combine biometrics with cryptographic systems, are gaining more and more attention. Person verification with high degree of assurance offered by biometrics can greatly improve the security of a cryptographic system. In such systems, a stable crypto-biometric key (to be used for cryptography) is derived from biometrics and a strong link between the user identity and...
In this paper, we describe a new primitive for error-tolerant searchable encryption and a security model for it. This generic scheme permits to make searches on encrypted data with only an approximation of some keyword. It enables to efficiently query secure databases in order to get the exact data with a close estimation of it. An application to biometric identification arises from this construction...
In traditional Public Key Infrastructure (PKI) system, Private Key could be stored in central database or store distributed in smart-card and delivered to the users. The Private Key is usually protected by passwords that are easily guessed or stolen and thus lead to the collapse of the whole system. Current trend for PKI system is based on physiological and behavioral characteristics of persons, known...
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