Transitioning to a new more secure GnuPG key

I am transitioning GnuPG keys from an old 1024-bit key to a new 4096-bit key, because 1024 bit are uncomfortably close to what can be cracked. The old key will continue to be valid for some time, but I prefer all new correspondence to be encrypted in the new key, and will be making all signatures going forward with the new key. If you have signed my old key, I would appreciate signatures on my new key as well, provided that your signing policy permits that without re-authenticating me. The old key, which I am transitional away from, is: pub … Continue reading

Dark Mail as Next-Generation Email to Stop Spying

The people from Lavabit and SilentCircle announced their Dark Mail Alliance which is going to develop a new end-to-end encrypted protocol to better secure email. Since, the media reports about this were scarce on details, I watched the recording of their presentation and will summarize what is interesting to me below,  in case it might also be interesting to you. They call their new Dark Mail system peer to peer. The end-to-end encryption should be integrated into the protocol and keys should be generated on the users device without any interaction by the users so it will be as easy … Continue reading

First Experiences Installing the New Kolab 3.0

The Kolab Groupware Solution lets you synchronize your contacts and calenders over multiple devices and easily share them selectively with other users. It is a 100% Free Software and historically close to the KDE community, but you can also use it with a multitude of different clients such as Thunderbird. Ever since the first alpha version of the brand new Kolab 3.0 Groupware Solution was released, I wanted to give it a try. The new features and especially the freshly skinned webclient based on Roundcube got me excited. I’m still running an old Kolab 2.2 server on Debian for personal … Continue reading