fix(signing): Create usable PublicKeys for verification
fix(signing): Create usable PublicKeys for verification

bviswana101/fleet,dongsupark/fleet,giantswarm/fleet,coreos/fleet,jonboulle/fleet,dongsupark/fleet,webwlsong/fleet,paveltiunov/fleet,giantswarm/fleet,mwhooker/fleet,ecnahc515/fleet,flandr/fleet,improbable-io/fleet,paveltiunov/fleet,ecnahc515/fleet,improbable-io/fleet,mwitkow/fleet,bcwaldon/fleet,dalbani/fleet,giantswarm/fleet,wuqixuan/fleet,bcwaldon/fleet,thepwagner/fleet,dalbani/fleet,ecnahc515/fleet,dongsupark/fleet,WPMedia/fleet,bcwaldon/fleet,bviswana101/fleet,jonboulle/fleet,dalbani/fleet,mischief/fleet,mwitkow-io/fleet,webwlsong/fleet,coreos/fleet,esatterwhite/fleet,flandr/fleet,wuqixuan/fleet,thepwagner/fleet,octoblu/fleet,improbable-io/fleet,mischief/fleet,hhoover/fleet,WPMedia/fleet,mwitkow-io/fleet,endocode/fleet,endocode/fleet,endocode/fleet,hhoover/fleet,esatterwhite/fleet,mookjp/fleet,coreos/fleet,jonboulle/fleet,mookjp/fleet,mwitkow/fleet,mwhooker/fleet,octoblu/fleet