Encrypted zip files on Linux with PeaZip

Posted by & filed under Linux, Security.

I recently had the need to encrypt zip files. Ubuntu’s default archive manager, File Roller, has a password option. However, I was not able to find documentation on what is its encryption algorithm. To be on the safe side, I opted for PeaZip per this post. It works natively with KDE, but I’m using Gnome…. Read more »

Backup, re-install Ubuntu with full disk encryption, and restore all files and settings

Posted by & filed under Linux, Security.

When doing serious work like surfing the internet, writing, or programming, I like to do so from a single user interface regardless of whether I’m at work or home. Currently, this takes the form of a Linux laptop (Ubuntu) due to portability (laptop), power (Linux/Ubuntu), and the availability of a keyboard and touchpad (fast input)…. Read more »

Strong (long) passwords

Posted by & filed under Internet, Linux, Networking, Security.

REMINDER: PASSHPHRASE SHOULD BE 24+ (42+) CHARACTERS LONG TO BE EQUIVALENT TO A 128 (256) BIT KEY. This xkcd comic brought forth a lot of discussion on the internet regarding how to choose your password. What I took away from it: it’s better to have really long passwords than to have short, complicated passwords. This… Read more »

Full disk encryption on Ubuntu with dm-crypt + luks

Posted by & filed under Linux, Security.

REMINDER: PASSHPHRASE SHOULD BE 42+ CHARACTERS LONG TO BE EQUIVALENT TO A 256 BIT KEY. In this post, I will outline my experience doing a full disk encryption on an Ubuntu computer. Note that this option is available through the installer only on the server edition or the alternate CD of ubuntu (not desktop). Why… Read more »