Qca-2.3.9

#### Beyond Linux® From Scratch (systemd Edition) - Version 12.2

### Chapter 9. General Libraries

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# Qca-2.3.9

## Introduction to Qca

Qca aims to provide a straightforward and cross-platform crypto API, using Qt datatypes and conventions. Qca separates the API from the implementation, using plugins known as Providers.

This package is known to build and work properly using an LFS 12.2 platform.

### Package Information

- Download (HTTP): https://download.kde.org/stable/qca/2.3.9/qca-2.3.9.tar.xz

- Download MD5 sum: d8aaa46356a322464f65b04d00d2bac6

- Download size: 748 KB

- Estimated disk space required: 57 MB (with tests)

- Estimated build time: 1.0 SBU (using parallelism=4; with tests)

### Qca Dependencies

#### Required

make-ca-1.14, CMake-3.30.2, Qt-6.7.2, and Which-2.21

#### Optional

Cyrus SASL-2.1.28, GnuPG-2.4.5, libgcrypt-1.11.0, libgpg-error-1.50, nss-3.103, NSPR-4.35, p11-kit-0.25.5, Doxygen-1.12.0, and Botan

## Installation of Qca

Fix the location of the CA certificates:

    sed -i 's@cert.pem@certs/ca-bundle.crt@' CMakeLists.txt

Install Qca by running the following commands:

    mkdir build &&
    cd    build &&

    cmake -D CMAKE_INSTALL_PREFIX=$QT6DIR            \
          -D CMAKE_BUILD_TYPE=Release                \
          -D QT6=ON                                  \
          -D QCA_INSTALL_IN_QT_PREFIX=ON             \
          -D QCA_MAN_INSTALL_DIR:PATH=/usr/share/man \
          .. &&
    make

To test the results, issue make test.

Now, as the `root` user:

    make install

## Command Explanations

`-D CMAKE_BUILD_TYPE=Release`: This switch is used to apply a higher level of compiler optimizations.

`-D QT6=ON`: Ensure the packages is built with Qt-6.7.2.

`-D QCA_MAN_INSTALL_DIR:PATH=/usr/share/man`: Install the qca man page in the normal location.

## Contents

Installed Programs: mozcerts-qt6 and qcatool-qt6
Installed Libraries: libqca-qt6.so, libqca-cyrus-sasl.so, libqca-gcrypt.so, libqca-gnupg.so, libqca-logger.so, libqca-nss.so, libqca-ossl.so, and libqca-softstore.so
Installed Directories: $QT6DIR/include/Qca-qt6, $QT6DIR/lib/cmake/Qca-qt6, and $QT6DIR/lib/qca-qt6

### Short Descriptions

mozcerts-qt6 | is a command line tool for converting certdata.txt into outfile.pem files
qcatool-qt6 | is a command line tool for performing various cryptographic operations with Qca
`libqca-qt6.so` | is the Qt Cryptography Architecture (Qca) library

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