Implementing a WKS solution

[Ingo Klöcker]

On Montag, 22. Februar 2021 16:31:14 CET Dashamir Hoxha via Gnupg-devel wrote:
> By the way, using the header 'X-WKS-Loop' with 'gpg-wks-server' seems
> superfluous to me, since 'gpg-wks-server' already adds automatically
> the header 'Wks-Phase', which should be sufficient for detecting a
> loop. Am I missing something?

Well, X-WKS-Loop is a single purpose header. Wks-Phase is another header with 
specific purpose and semantics. It's usually not a good idea to (ab)use some 
header for a completely orthogonal second purpose. (Using one artifact for one 
purpose only is a general advice in software engineering.)

What if in a later version phase tracking is solved differently? Then you are 
stuck with a header that is only used for loop detection and has the then 
completely inappropriate and confusing name Wks-Phase.

Regards,
Ingo
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