In order to check the certificate used to sign the Viafirma Applet and JNLP the following steps must be taken:
1.- When displayed on the screen ” Do you want to run this app? ” , we click on ” More Information ”
2.- In the ”More information” window we click on ”View Certificate Details”
3.- In the list of fields displayed we click on ”Validity” where we’ll also find its expiring date
