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
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