International Journal of Recent Technology and Engineering (IJRTE)
In the world of information technology, information security is an important factor. For information security, authentication plays a vital role. And for secure authentication now-a-days, biometric based authentication ('Who you are', e.g. fingerprint) replace the knowledge based ('What you know', e.g. password) and object based authentication ('What you have', e.g. token). Biometric authentication is the method which identifies or verifies the person based on the users' physiological or behavioral characteristics. The fingerprint is most widely used in biometric world.