Security Two in one I tried to send a mail today, but failed. Evolution was complaining about a certificate issue. It appeared my personal certificate was expired. Then I suddenly realized I had a new Yubikey laying around. Why not put the new certificate on the new Yubikey, so I have my old key
Security Certificate on Yubikey4 This instruction is primarily intended for my own documentation, but published here it can serve others as well. My personal (client) certificate was generated using the Mozilla Firefox browser. To move the certificate key combination to my Yubikey I had to make a backup of the certificate. In Mozilla you
