The GrandCentral core library is incredibly easy to implement into any Java 6+ application and can be setup in minutes. You can use GrandCentral free of charge for any application. Currently only tokenAuth is included in the GrandCentral library. tokenAuth provides a powerful and secure class that creates password tokens based on the time of day. It uses SHA-512 with a randomly generated Salt. tokenAuth is used to create secure password tokens based on the time of day. This class is very simple to implement into your Java application. To generate a password token you have to send a plain text non-secured password to the generateToken method. In response you will receive a String containing a secured password token.
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grandcentral - a incredibly powerful user accounts utility for java applications - Google Project Hosting