Re: calculating an md4 and a signature at the same time?

On Mon, Jan 19, 2004 at 08:35:15AM +0100, David Helgason wrote:
[...]
> >As this is a fairly useful bit of functionality, it might make sense to
> >add this to the rs_job object so you get an overall md4sum as well as
> >the signature.
> 
> I had the feeling that perhaps it would be possible to do it in one 
> pass though, thus save processing the data twice. But I don't really 
> know the definitions of these sums (looking at the code only helps me a 
> little here).
[...]

you can feed it the same data buffers as you go through it, avoiding
re-reading the data again.

In theory you might be able do an optimization that shared the
rs_mdfour64 calculation results between the signature and an overall
md4sum, but the coupling would be ugly for minimal gain.

> >I'm happy to give you CVS commit permissions if you like. Just send me
> >your SF user details and I will add you. Alternatively you can submit
> >patches on SF and someone (probably me) will commit them to CVS for 
> >you.
> 
> I'll see what I can do. The cvs seems to be changed very little. Are 
> there btw any bugs in librsync that I should be aware of?

All the known bugs are in the SF bugtracker. Currently, bugs fixed in
a release are closed, bugs fixed in CVS are open with resolution
"fixed".

If you find any more bugs, please report them on SF.


-- 
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Donovan Baarda                http://minkirri.apana.org.au/~abo/
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