I decided to try out the new Java based version of Google Appengine. So i wrote a very simple web app that allows the user to generate one time passwords (OTP) using the HMAC-SHA1 algortihm (see OATH).
You can check it out at http://obovweb.appspot.com. As the name suggests its based on my obov library.
A new version of obov is available for download. Some nice new features were added:
Go get it!
obov stands for OATH Based OTP validator. It’s a 100% pure Java library that provides simple to use methods to validate (and related utilities) one time passwords generated by OATH compliant devices.