$ sudo apt-get update
$ sudo apt-get install libpolarssl5 

libpolarssl5 is installed in your system.

Make ensure the libpolarssl5 package were installed using the commands given below,

$ sudo dpkg-query -l | grep libpolarssl5 *

You will get with libpolarssl5 package name, version, architecture and description in a table

libpolarssl5 package basic information: