This lockmaker analogy fails to capture one critical aspect: the failure of one CA breaks the security of everyone, even if they did not use that CA's "locks".
This is why I went for a "wall with many gates" instead; any bypass makes all gates redundant.
All analogies break down at some level; the main goal is to clearly communicate the most important ideas.
This is why I went for a "wall with many gates" instead; any bypass makes all gates redundant.
All analogies break down at some level; the main goal is to clearly communicate the most important ideas.