bouncycastle + JBoss AS7: JCE cannot authenticate the provider BC

Question

I use BouncyCastle for encryption in my application. When I run it standalone, everything works fine. However, if I put it in the webapp and deploy on JBoss server, I get a

Answer 1

Do not deploy the bouncy-castle jar as a part of your your webapp (WEB-INF/lib). You need this file in compiliation time of course, but on JBOSS it should be here:

$JBOSS_HOME/server/default/lib/

instead of

yourapp/WEB-INF/lib