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Re: key flag for authentication



On Friday 06 June 2003 10:39, Werner Koch wrote:

>  5.2.3.21. Key Flags
>
>      [...]
>
>      0x20 - This key may be used for authentication.
>
> Usage notes are not necessary and it should be left to an
> implementation on how to handle this key flag.

At least a note that handling of this flag should be implementation defined 
should go in. Somebody implementing OpenPGP software needs to know at least 
that he needn't worry what to do with such keys (or perhaps that he should 
ignore such [sub]keys in most cases?)

> authentication purposes.  As a workaround an implementation could use
> notation data but this would be implementation dependend and a kind of
> hack.

Hmm. Using a flag which is not documented (except in that it exists) seems 
kind of a hack, too. If the correct behaviour of openpgp software is to be 
left to implementors, why not use a notation - which is more flexible than a 
one-bit flag anyway?

greets
-- vbi

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