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Re: [Sks-devel] Oh, Jeeez...!


From: Robert J. Hansen
Subject: Re: [Sks-devel] Oh, Jeeez...!
Date: Thu, 26 May 2016 12:51:18 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.1.0

> The administrators of the SKS servers should be able to choose the level
> of complexity of the proof of work using a parameter in the SKS server
> configuration file.

No, they shouldn't.  Think about it.  If you're an attacker looking to
bypass this mechanism, what do you do?  You find the keyserver operator
with the lowest proof-of-work, upload there, and bam, they're propagated
to the high proof-of-work servers.

The proof-of-work required through the system is the *lowest* of all the
keyserver operators.



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