On Sun, May 07, 2006, Dr. Stephen Henson wrote:

> On Sat, May 06, 2006, Victor Duchovni wrote:
> 
> > 
> > Can the work-around be made compatible with zlib?
> > 
> 
> It isn't just zlib AFAICS, it may be triggered in other cases too.
> 
> Well at this stage it isn't clear what the correct solution is, it needs a bit
> of further study...
> 

Well looking at this more closely it *is* just when compression is enabled
that this happens. The code assumes the first packet is of even length so that
if an odd length packet is found it can assume the bug is present. When
compression is enabled this assumption is no longer true.

Since the work around has existed since the SSLeay days I'd say that it is
very unlikely that a buggy implementation will also support compression. So
I'd say the simplest solution is to disable the check if compression is
negotiated.

Steve.
--
Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage
OpenSSL project core developer and freelance consultant.
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