coolkey or pkcs variant with acrobat reader?

[Howy Dood]

I wanted to be able to sign PDFs instead of having to use windows to do so.
I use coolkey with firefox and chrome in Linux, but I installed the 686
version for acrobat reader in Fedora 20.

I tried to follow the instructions here, albeit a little different:

http://lists.apple.com/archives/fed-talk/2007//Jul/msg00047.html

But when I try to load /usr/lib/libcoolkeypk11.so
it won't load it and gives an unclear error.

Any ideas?