How To Install ruby-ed25519 on Kali Linux

Introduction

In this tutorial we learn how to install ruby-ed25519 on Kali Linux.

What is ruby-ed25519

ruby-ed25519 is:

A Ruby binding to the Ed25519 elliptic curve public-key signature system described in RFC 8032.

Ed25519 is a modern implementation of a Schnorr signature system using elliptic curve groups.

Ed25519 provides a 128-bit security level, that is to say, all known attacks take at least 2^128 operations, providing the same security level as AES-128, NIST P-256, and RSA-3072.

There are three methods to install ruby-ed25519 on Kali Linux. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install ruby-ed25519 Using apt-get

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

sudo apt-get update

After updating apt database, We can install ruby-ed25519 using apt-get by running the following command:

sudo apt-get -y install ruby-ed25519

Install ruby-ed25519 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install ruby-ed25519 using apt by running the following command:

sudo apt -y install ruby-ed25519

Install ruby-ed25519 Using aptitude

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

sudo aptitude update

After updating apt database, We can install ruby-ed25519 using aptitude by running the following command:

sudo aptitude -y install ruby-ed25519

How To Uninstall ruby-ed25519 on Kali Linux

To uninstall only the ruby-ed25519 package we can use the following command:

sudo apt-get remove ruby-ed25519

Uninstall ruby-ed25519 And Its Dependencies

To uninstall ruby-ed25519 and its dependencies that are no longer needed by Kali Linux, we can use the command below:

sudo apt-get -y autoremove ruby-ed25519

Remove ruby-ed25519 Configurations and Data

To remove ruby-ed25519 configuration and data from Kali Linux we can use the following command:

sudo apt-get -y purge ruby-ed25519

Remove ruby-ed25519 configuration, data, and all of its dependencies

We can use the following command to remove ruby-ed25519 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge ruby-ed25519

Dependencies

ruby-ed25519 have the following dependencies:

• ruby

References

• ruby-ed25519 website

Summary

In this tutorial we learn how to install ruby-ed25519 package on Kali Linux using different package management tools: apt, apt-get and aptitude.