Text passwords are the primary authentication method used for most online services. Many online users select weak passwords. Regrettably, most proposed methods of strengthening pa...
In commonplace textual password schemes, users choose passwords that are easy to recall. Since memorable passwords typically exhibit patterns, they are exploitable by brute-force ...
Graphical passwords have been proposed as an alternative to alphanumeric passwords with their advantages in usability and security. However, they still tend to follow predictable p...
Personal information and organizational information need to be protected, which requires that only authorized users gain access to the information. The most commonly used method f...
Kim-Phuong L. Vu, Robert W. Proctor, Abhilasha Bha...
In 2000, Sun proposed an efficient remote user authentication scheme using smart cards without requiring a password table. However, the password of a user is an un-human lengthy p...