The itemis blog

Accumulated IT knowledge

Software Development, Cyber security, OpenPGP

OpenPGP on the Job – Part 8: SSH with OpenPGP and YubiKey

Being an employee in the IT myself, I often need to access remote machines. Most of the time, SSH and public key cryptography is used here. But although I do use OpenPGP for mail and data encryption, I still need an extra SSH key pair for this kind of remote ...

by Jan Mosig

15 min. reading time
Software Development, OpenPGP

OpenPGP On The Job – Part 7: Improved Security With YubiKey

Alright, you've got your PGP basic knowledge, your setup is all shiny and you sign and encrypt e-mails on a daily basis like a pro. However, the keys are neither mobile, nor stored in a secure place. In case you want to use them on other devices, you'll need to ...

by Jan Mosig

26 min. reading time
Software Development, OpenPGP

OpenPGP On The Job – Part 6: E-Mail Encryption on Android with K-9 Mail + OpenKeychain

You don't need to do without OpenPGP support on your tablet or mobile phone. There exists a great many Android apps that provide this. I have chosen K-9 Mail and OpenKeychain, because they have a good feature set and are widely spread. In this article I'm going to ...

by Jan Mosig

15 min. reading time
Software Development, OpenPGP

OpenPGP On The Job – Part 5: Thunderbird + Enigmail

Well, it's time to set up a useful mail client so that we may make the most use out of our new and shiny keys that we learned to generate in part 4 of this series. Of course, there exist quite a few clients for all those different platforms out there. Quality ...

by Jan Mosig

14 min. reading time
Software Development, OpenPGP

OpenPGP On The Job – Part 4: Generating Keys

Patience is key! Having survived theoretical basics, an excursus in verification and a secure setup guide, we now can finally dive into the real thing: Generating all new and shiny PGP keys! Unfortunately the devil is all in the details: Keys may be very ...

by Jan Mosig

20 min. reading time
Software Development, OpenPGP

OpenPGP On The Job – Part 3: Install And Configure

Install? Configure? Isn't that available as a web app? I am afraid, no! Privacy and security do not come for free. But don't panic: I'm going to show you how to easily setup OpenPGP on Windows. Work once, use indefinitely. Sounds nice? Let's go then.

by Jan Mosig

12 min. reading time
Software Development, OpenPGP

OpenPGP On The Job – Part 2: Before we start

Alright, the first part of the series was about some theoretical basics. But before we start, there are a couple of practical tools and phrases that I'd like you to know and understand, e. g. how to verify downloads? How to use the console? What does all of this ...

by Jan Mosig

13 min. reading time