I created a PGP Key using Seahorse in Ubuntu's Passwords and Keys (13.04). To my understanding, creating a revocation certificate for the PGP key is important for a couple of reasons. I don't see any ...
There are parties, e.g. enterprises, that uses S/MIME certificates for e-mail encryption. To my understanding Thunderbird has support by default for S/MIME. But I have not found a way to obtain a ...