[xmlsec] Thoughts on a new mscng backend

Dmitry Belyavsky beldmit at gmail.com
Mon May 7 00:23:43 PDT 2018


I'll ask whether there is any CNG-based GOST implementation.

On Sat, May 5, 2018 at 5:08 AM, Aleksey Sanin <aleksey at aleksey.com> wrote:

> Thanks for all the code you've wrote!
>
> I think the only area missing is GOST algorithms support. It
> requires special configs/dlls on Windows so I don't know if
> it is even available for MSCNG. May be someone on the list
> has direct knowledge and can chime in?
>
> I was planning to ask you what would be the right time to do
> an xmlsec release. Sounds like in a couple weeks is the right
> timeline. I think it would be great to have others play with
> mscng to find out any issues. But otherwise, it looks great!
>
> Aleksey
>
> On 5/4/18 8:33 AM, Miklos Vajna wrote:
> > Hi,
> >
> > On Thu, Jan 04, 2018 at 03:24:51PM -0800, Aleksey Sanin <
> aleksey at aleksey.com> wrote:
> >> That sounds like a great plan! I would recommend to use the
> >> skeleton folder to start.
> >
> > Thanks for all the reviews, current master looks reasonable to me when I
> > compare 'make check' output of the mscrypto and mscng backends:
> >
> > - 0 tests pass only on mscrypto
> > - 126 tests pass on both mscrypto and mscng
> > - 3 tests pass only on mscng (ecdsa signing with sha1/256/512)
> >
> > I wonder what else is missing so it could be claimed that the mscng
> > backend is more or less a drop-in replacement for the mscrypto one.
> > There are two things I can think of:
> >
> > - mscrypto supports reading your OS-level certificates and use that
> >   during e.g. signing.
> >
> > - There are a few functions which are part of the mscrypto public API
> >   (e.g. xmlSecMSCryptoX509StoreAdoptKeyStore()) and there is no mscng
> >   equivalent yet. Those are probably interesting as e.g. LibreOffice
> >   uses those functions.
> >
> > I plan to get to these two in the next few weeks. But is there anything
> > else larger missing?
> >
> > Thanks,
> >
> > Miklos
> >
> >
> >
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> > xmlsec at aleksey.com
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> >
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-- 
SY, Dmitry Belyavsky
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