libqca2 software package provides libraries for the Qt Cryptographic Architecture, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libqca2
libqca2 is installed in your system.
Make ensure the libqca2 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libqca2 *
You will get with libqca2 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Libraries |
| Package | libqca2 |
| Version | 2.0.3-5 |
| Description | libraries for the Qt Cryptographic Architecture |
| Sub Section | libs |