Varying Password Based Scheme for User Authentication
Secure authentication scheme is required to protect businesses and clients against attacks. Passwords are used as private identity for an individual. The password has to be protected from several threats like stealing, shoulder surfing, eavesdropping and guessing. Several work has been done to improve the traditional password based authentication such as biometric password authentication, graphical password scheme, and dynamic password scheme etc. Graphical passwords are strong resistance towards brute force and dictionary attacks. But it suffers to eavesdropping and guessing attacks. However, these schemes have been proved ineffective. In this paper, we have designed a hybrid system by combing the features of three different schemes such as textual password, recognition based password and recall based password. The result shows that proposed model overcomes eavesdropping and guessing more effectively than its counterparts.
KeywordsUser Authentication Graphical Password Textual Password Stroke Based Passowrd Salting
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