The ogone payment plugin for K2 Store is based on the E-Commerce integration method. It comes with the ability to use in the test environment before taking your Ogone account to live.
The Plugin is built to worth with SHA-1 hashing method that provides enhanced security for transactions between your website and ogone payment server.
The ogone payment plugin also supports the post-sale feedback, which means Ogone will inform immediately after the payment about its status (in the background).
Check the demo at http://demo.k2store.org
Read more http://k2store.org/download/payment-plugins/ogone-payment-plugin.html