14914

13424

كارشناسي ارشد

مخابرات-سيستم

اصفهان : دانشگاه صنعتي اصفهان

1398

هشت، 88ص. :مصور، جدول

1398/05/22

كتابنامه

برق

مهندسي برق و كامپيوتر

1398/05/22

2552417

Samaneh Keshavarz s keshavarz@ec iut ac ir January 12 2019 Department of Electrical and Computer Engineering Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language Farsi Supervisor Associate Prof Mohammad Dakhilalian mdalian@cc iut ac ir Abstract Authentication systems have been widely used in many security applications One challenge inthese systems is how to protect the private key Recently biometric based authentication systemshave been introduced for authentication systems due to the high level of security In these systems if biometrics are stolen they will be lost forever so preservation of biometric patterns is necessary Different systems are designed to protect the biometric pattern one of which is the fuzzy vault system Although the fuzzy vault system can protect biometric patterns it is vulnerable to a cross matchingattack To overcome this problem in this study firstly the information extracted from the biometricsis passed through a non invertible cancelable system then it is encrypted by the Fuzzy vault system With this the proposed system is also resistant to cross matching attacks and also increases its se curity level The cancelable system used in the proposed scheme is based on random distances andreduces the required memory by 50 Key Words Fuzzy vault Cancelable biometric Biometric Biometric cryptisystems Cryptography

محمد دخيل‌عليان

حسين سعيدي، فرامرز هندسي