Archive for category HowTo

Date: November 17th, 2012
Cate: Frontpage, HowTo

Full disk encryption with Ubuntu Linux

Ubuntu is one of the most popular Linux distributions and a good start for a secure and yet easy-to-use computing environment. In order to install it go to Ubuntu’s website to download the current release for your desktop or laptop computer and follow the installation guidelines there.

Setting up full disk encryption in Ubuntu

During the installation of Ubuntu check the “Encrypt the new Ubuntu installation for security” box in the graphical installer to activate full disk encryption (dm-crypt with the symmetric AES encryption algorithm  is then used for that purpose):

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Date: November 11th, 2012
Cate: Frontpage, HowTo

How to choose a secure password

This article explains how to choose a secure password. For example, this is necessary to secure encrypted data or private keys against brute-force attacks. An introduction to encryption algorithms is given in the corresponding primer (brute-force attacks are also explained there).

You should never use the same password for multiple purposes. It is fine to use the build-in password manger of the Firefox web browser to store your website passwords, but only if they are secured properly (by using hard disk encryption with a strong password as described below and the master-password feature).

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Date: November 8th, 2012
Cate: Frontpage, HowTo

Secure and professional Bitcoin OTC exchanges

The article Necessary conditions for the long-term success of Bitcoin has shown why widespread availability of over-the-counter (OTC) Bitcoin exchangers is crucial for Bitcoin to succeed in the long-run and give us more freedom. This article will explain how to exchange Bitcoin OTC securely and professionally. It should be of interest for Bitcoin users who want to get their coins anonymously from OTC exchangers and for people who want to earn a second income as Bitcoin OTC exchangers in the counter-economy.

If you are dealing Bitcoin on the OTC market you have to consider two kinds of enemies: the state and evil customers (for example, fraudsters). To deal securely you have to mitigate the corresponding risks. That is, you have to drive up the cost of a successful attack and make it unlikely.

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Date: November 5th, 2012
Cate: Frontpage, HowTo

Libertopia Conference 2012 – Digital Tradecraft

The slides of Frank Braun’s talk “Digital Tradecraft” can be found here: Digital Tradecraft