Irrlicht Engine

Set up in netbeans :

create a key as describe with keytool

download the JWS pluggin for netbeans

Put the dll in a jar

add this to build.xml
<target name="jar" description="Sign JAR file">
<signjar jar="dist/dll_bind.jar" alias="xxx" storepass="xxx" signedjar="dist/dll_bind.jar"/>
<signjar jar ...