$ sudo apt-get update
$ sudo apt-get install libpam-p11 

libpam-p11 is installed in your system.

Make ensure the libpam-p11 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libpam-p11 *

You will get with libpam-p11 package name, version, architecture and description in a table

libpam-p11 package basic information: