Re: Clarification needed on compressed messages

[David Shaw <dshaw@xxxxxxxxxxxxxxx>]

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On Wed, Jul 30, 2003 at 03:45:23PM -0400, Derek Atkins wrote:

> David Shaw <dshaw@xxxxxxxxxxxxxxx> writes:

> > Is this the intent?  And if so, in a SIG+COMPRESSED(LITERAL) message,
> > is the SIG issued over COMPRESSED(LITERAL) or LITERAL ?
> 
> I believe it is the intent, and in the SIG+(COMPRESSED(LITERAL) the
> SIG should be issued over the COMPRESSED(LITERAL).  The only special
> case that I know of is SIG+LITERAL, where the SIG is over the data
> inside the literal and doesn't include the literal packet itself.

ONEPASS+LITERAL+SIG is another case.

> However, all other constructions should build the SIG over the
> underlying PGP message object.

This sounds very reasonable to me.  I think a word or two to make that
clear in the draft would be helpful: something that indicates that
"bare" literal packets should have their contents hashed, but anything
else should be hashed whole.

David
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