Authentication is a mechanism that verifies whether an entity is who it claims to be. On a Linux system, applications, such as su, passwd or login, are used to authenticate users before they are given ...

The Web application landscape is constantly evolving. What started off as a simple means of sharing documents and information has quickly evolved into a platform for conducting business.

Have you ever needed to create a login authentication mechanism for an application? Odds are, you have, and probably more than once, with each new implementation being close, but not identical, to the ...