Ran across this which may help in allegories/examples: < http://www.mul-t-lockusa.com/res/USA/Keying_Options/OneWayCylinder_Concept_Sheet.pdf>. It can handle keys which only lock, only unlock, or both.
Avi ---- User:Avraham pub 3072D/F80E29F9 1/30/2009 Avi (Wikimedia-related key) <avi.w...@gmail.com > Primary key fingerprint: 167C 063F 7981 A1F6 71EC ABAA 0D62 B019 F80E 29F9 On Wed, Jun 17, 2015 at 7:24 PM, Brian Minton <br...@minton.name> wrote: > I've never heard of a spring lock, but I looked it up. It is a lock that > anyone can momentarily be unlocked by a key, but when it is not being held > open, shuts and locks itself. > > On Wed, Jun 17, 2015, 5:00 PM Charles Spitzer <cspit...@godaddy.com> > wrote: > >> >> >> Regards, >> Charlie >> 602.420.4123 >> >> > -----Original Message----- >> > From: Gnupg-users [mailto:gnupg-users-boun...@gnupg.org] On Behalf Of >> > Robert J. Hansen >> > Sent: Wednesday, June 17, 2015 7:15 AM >> > To: A.T. Leibson; gnupg-users@gnupg.org >> > Subject: Re: Teaching GnuPG to noobs >> > >> > > What has your experience been teaching inexperienced users how to >> > > use GnuPG properly? >> >> ..snip.. >> > It's absurd. Who in the class has ever seen a lock with two keys, one >> > that locks it and one that unlocks? The metaphor's ridiculous: the >> > locks the students are familiar with require *no* keys to lock and >> > only one key to unlock >> >> ..snip.. >> >> There are locks in common use that require a key on both sides, and need >> a single key to lock and unlock. They can also be changed such that the >> inside and outside keys are different. >> >> For example: >> >> http://www.sears.com/schlage-b62n625-deadbolt-keyed-2-sides-bright-chrome/p-SPM7705846522?prdNo=11&blockNo=11&blockType=G11 >> >> However, your analogy of a lock and unlock key for the same lock still >> holds. I'm not sure I've ever heard about one of those. >> >> Regards, >> Charlie >> >> _______________________________________________ >> Gnupg-users mailing list >> Gnupg-users@gnupg.org >> http://lists.gnupg.org/mailman/listinfo/gnupg-users >> > > _______________________________________________ > Gnupg-users mailing list > Gnupg-users@gnupg.org > http://lists.gnupg.org/mailman/listinfo/gnupg-users > >
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