Novel Shoulder-Surfing Resistant Authentication Schemes Using Text-Graphical Passwords

There are many applications which require the user to be authenticated before being permitted to perform certain tasks. Text password-based authentication is a popularly used authentication mechanism. Despite having greater security, text-passwords are characterized by selection of a weak and easy to remember passwords. Users also tend to write them down and share them with friends, family members and colleagues defeating the security provided by text-passwords. Graphical passwords offer an alternative to text passwords as the password space is typically higher, less prone to dictionary attacks and easier to remember visually.

Provided by: IAES Topic: Security Date Added: Aug 2012 Format: PDF

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