Install libqca2-doc by entering the following commands in the terminal:
sudo apt update sudo apt install libqca2-doc
API documentation 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 documentation for developers working with the Qt Cryptographic Architecture.