This is the first of a number of patches to enhance SSL functionality,
particularly w.r.t. passphrases.
This patch provides a hook for a function that can supply an SSL
passphrase. The hook can be filled in by a shared preloadable module. In
order for that to be effective, the startup order is modified slightly.
There is a test attached that builds and uses one trivial
implementation, which just takes a configuration setting and rot13's it
before supplying the result as the passphrase.
cheers
andrew
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Andrew Dunstan https://www.2ndQuadrant.com
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