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Jan Mosig

Jan Mosig arbeitet für die itemis AG am Standort Leipzig. Er beschäftigt sich mit Problemen im Projektalltag und setzt zu deren Lösung auf technische Softwarequalität, Agile und Mut zur Veränderung.
Jan Mosig

Recent Posts

OpenPGP, Cyber security, Software Development, english

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
Nov 30, 2018
Software Development, OpenPGP, english

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
Nov 22, 2018
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Software Development, english

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 show you how to set up and use these, to securely receive and send e-mails on and from your Android device.
by Jan Mosig
Nov 9, 2018
Software Development, english

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
Oct 31, 2018
Software Development, english

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
Oct 12, 2018
Software Development

OpenPGP im Berufsalltag – Teil 8: SSH mit OpenPGP und YubiKey

Als Angestellter in der IT muss ich häufig auf entfernte Rechner zugreifen. Meistens funktioniert das mit Hilfe von SSH und Public-Key-Kryptographie. Obwohl ich Mails und Daten bereits mit meinem OpenPGP-Schlüsselpaar verschlüssele, brauche ich für den SSH-Zugang ...
von Jan Mosig
Oct 4, 2018
Software Development, english

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
Sep 18, 2018
Software Development

OpenPGP im Berufsalltag – Teil 7: Mehr Sicherheit mit YubiKey

Ok, PGP-Basiswissen ist da, das Setup glänzt und wir signieren und verschlüsseln täglich E-Mails, wie die Weltmeister. Jedoch: Die Schlüssel sind nicht mobil und sicher abgelegt. Für den Gebrauch auf anderen Geräten, muss man sie umständlich und auf unsicherem Weg ...
von Jan Mosig
Sep 14, 2018
Software Development, english

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
Sep 10, 2018
Software Development, english

OpenPGP On The Job – Part 1: What is OpenPGP?

Thanks to #efail, email encryption with OpenPGP (and S/MIME) did get quite some attention recently. I do want to take up the opportunity to write a series of round-up articles on OpenPGP usage in my daily work, especially how to set it up and how to use it for ...
by Jan Mosig
Aug 23, 2018
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