How To Install libkcapi1 on Ubuntu 18.04

In this tutorial we learn how to install libkcapi1 on Ubuntu 18.04. libkcapi1 is Linux Kernel Crypto API User Space Interface Library

Introduction

In this tutorial we learn how to install libkcapi1 on Ubuntu 18.04.

What is libkcapi1

libkcapi1 is:

The Linux kernel exports a Netlink interface of type AF_ALG to allow user space to utilize the kernel crypto API. libkcapi uses this Netlink interface and exports easy to use APIs so that a developer does not need to consider the low-level Netlink interface handling.

The library does not implement any cipher algorithms. All consumer requests are sent to the kernel for processing. Results from the kernel crypto API are returned to the consumer via the library API.

The kernel interface and therefore this library can be used by unprivileged processes.

This package contains the libraries needed to run libkcapi applications.

There are three methods to install libkcapi1 on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libkcapi1 Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libkcapi1 using apt-get by running the following command:

sudo apt-get -y install libkcapi1

Install libkcapi1 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libkcapi1 using apt by running the following command:

sudo apt -y install libkcapi1

Install libkcapi1 Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libkcapi1 using aptitude by running the following command:

sudo aptitude -y install libkcapi1

How To Uninstall libkcapi1 on Ubuntu 18.04

To uninstall only the libkcapi1 package we can use the following command:

sudo apt-get remove libkcapi1

Uninstall libkcapi1 And Its Dependencies

To uninstall libkcapi1 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove libkcapi1

Remove libkcapi1 Configurations and Data

To remove libkcapi1 configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libkcapi1

Remove libkcapi1 configuration, data, and all of its dependencies

We can use the following command to remove libkcapi1 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libkcapi1

References

Summary

In this tutorial we learn how to install libkcapi1 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.