Teaching GnuPG to noobs

[Werner Koch]

On Wed, 17 Jun 2015 16:15, rjh at sixdemonbag.org said:

> 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

Much better is a spring lock.  Bob stores several identical copies of a
spring lock at a public place, Alice takes Bob's (open) spring lock from
the public place, locks a chest with it, sends the chest to Bob, and Bob
uses his key to open the lock and thus the chest.

Now add seals to the spring lock so that Alice is able to verify that a
lock really belongs to Bob. (With PKIX she would take it from a trusted
place instead.)


Salam-Shalom,

   Werner

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