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标题：A Hybrid Graphical Password Based System – Balancing the Usability and Security
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作者：A.Petchiammal ; S.Venkateswari
期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2015
期号：ICETET
页码：7
出版社：S&S Publications
摘要：Wide-ranging people prefer the unforgettable passwords rather than the strong passwords which arecomplicated to keep in mind. Human mind can effortlessly memorize the image than textual character. Now a day, theonline guessing attacks such as dictionary attacks, brute force attacks and the botnet (Robotic Network) are dreadfullyconfronting to face. While keeping from happening such attacks, make available the expedient login for genuine usersis a complex problem. This project effort unites the Persuasive Pixel Click Points (PPCP) and Password GuessingResistant Protocol (PGRP) in graphical passwords. In this work, we confer the inadequacy of existing and proposedlogin protocols intended to address large scale online dictionary attacks. To recognize the malicious login attemptsAutomated Turing Tests (ATTs) e.g., Captcha is efficient and uncomplicated to organize technique other than it offersinconvenience to the users. The PGRP counts the number of failed login attempts per username. It confines the totalnumber of failed login attempts from the unknown seclude hosts at the same time it offers the genuine users to makeuse of several failed login attempts prior to deal with an ATT. As a result this work balances the usability and securityin the authentication schemes.
关键词：Graphical password; password; Captcha; dictionary attack; password guessing attack; Automated;Turing Test; botnet; Password Guessing Resistant Protocol