Install libqca-qt5-2-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libqca-qt5-2-dev
Description:
development files for the Qt Cryptographic Architecture
The Qt Cryptographic Architecture (QCA) provides a straightforward and cross- platform API for a range of cryptographic features, including SSL/TLS, X.509 certificates, SASL, OpenPGP, S/MIME CMS, and smart cards. . This package contains development files for building software that uses the Qt Cryptographic Architecture.
Homepage: http://delta.affinix.com/qca/
Version: 2.1.3-2ubuntu2
Section: universe/libdevel