Encryption

9 Guides Available

Post Quantum Encryption with NGINX on Debian 11

The National Institute of Standards and Technology (NIST) recently released its first finalized Post-Quantum Encryption Standards to protect against quantum computer attacks. This includes the Module-Lattice-based Key-Encapsulation Mechanism standard (ML-KEM, defined in FIPS-203). It is already being implemented in the industry using an early pre-standardization draft for use with TLS.

Post Quantum Encryption with NGINX on Ubuntu 24.04

Creating a Self-Signed TLS Certificate on CentOS 8

What is a Self-Signed TLS Certificate?

Self-signed TLS certificates are suitable for personal use or for applications that are used internally within an organization. If you intend to use your SSL certificate on a website, see our guide on enabling TLS for NGINX once you’ve completed the process outlined in this guide.

Creating a Self-Signed TLS Certificate on Debian 10

What is a Self-Signed TLS Certificate?

How to Create a Self-Signed TLS Certificate on Ubuntu 18.04

What is a Self-Signed TLS Certificate?

Use GPG Keys to Send Encrypted Messages

What is GnuPG?

GNU Privacy Guard (GnuPG), also known as GPG, is a tool for secure communication that was created by Werner Koch as Free Software under the GNU Project. GnuPG follows the OpenPGP protocol, which defines and standardizes all the necessary components involved in sending encrypted messages–signatures, private keys, and public key certificates. This piece of free software is notably used by journalists around the world to ensure that their sensitive email communication is kept secure and private.

How to Encrypt Your Data with dm-crypt

dm-crypt is a transparent disk encryption subsystem. In this guide you will learn how to encrypt disks, partition, swap and even use files as encrypted, and portable containers for your sensitive data.

How to Use LUKS for Full Disk Encryption on Linux

Full Disk Encryption

Full disk encryption protects the information stored on your Linode’s disks by converting it into unreadable code that can only be deciphered by authorized individuals. Nearly everything on the disk is encrypted, including the swap space and temporary files. This guide will help you implement full disk encryption on a Linode running Debian 7 (Wheezy). You’ll learn how to:

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