Re: Using certificates and keys from a list

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Am 09.04.26 um 00:24 schrieb Doug Hardie:
> once I set the keys to 0600, it no longer worked.  The reason is
> that the startup code that runs as root is quite small.  It
> doesn't know which keys will be required.  In fact, those keys
> might not even exist yet.

I think that y'all are overdesigning this a bit ... if there's a need 
for the process to read secrets from files after startup (read: after 
potential malicious influence), then the content of those files is, by 
definition, unprotected vis-a-vis the running, possibly subverted, 
application. Create a dedicated UID or GID for the process to run as and 
let bog-standard permissions do their thing with access attempts from 
*else*where (short of local root).

Yes, this means that you might want to look into revocation mechanisms, 
shorter lifetimes etc. as tools to get the damage threatened by leaked 
secrets reduced again.

Kind regards,
-- 
Jochen Bern
Systemingenieur
Binect GmbH

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