Q about (self-) signatures

David Shaw dshaw@jabberwocky.com
Thu May 30 13:53:02 2002


On Thu, May 30, 2002 at 01:32:35PM +0200, Adrian 'Dagurashibanipal' von Bidder wrote:
> Yo!
> 
> In my shiny new self-signature I see these entries:
> 
> :signature packet: algo 17, keyid C23E3DB25E4B731F
> 	version 4, created 1022752957, md5len 0, sigclass 13
> [...]
> 	hashed subpkt 30 len 2 (features: 01)
> 	hashed subpkt 23 len 2 (key server preferences: 80)
> [...]
> 
> 
> Coupla questions:
>  - is there any keyserver that respects the key server preference? Ok, I
> think I can safely answer this myself - no. Not even cks seems to care.
>  - I did not give any special flags about the keyserver prefs. Is there
> a possibility to influence if it's set or not.

Not currently, no.

>  - What is subptk 30? rfc2440 doesn't specify it, does it?

30 is "features" - various flags to show what your OpenPGP
implementation knows how to handle.  The feature that corresponds to
bit 1 (actually the only feature defined thus far) is MDC.

It's specified in 2440bis, the draft to replace 2440.

David

-- 
   David Shaw  |  dshaw@jabberwocky.com  |  WWW http://www.jabberwocky.com/
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