#### XML Performance Issues post patch

We have a web application making use of the SignedXML and X509Certificate2
classes. The server is running Windows Server 2008 Standard.

Since the December patches were installed - my guess is either KB973688
(Update for MSXML Core Services 4.0 SP2) or KB948465 (Windows Server 2008
SP2) - performance has plumeted. Digging into the cause, the
SignedXML.ComputeSignature() method and assigning a private key to the
SigningKey each take 10-15 seconds to execute, all other operations execute
in fractions of a second.

Google implies that I may be alone on this, but I'd like to know what's
going on. Before the patch these operations only required a second or so.


 0
Utf
1/27/2010 7:01:02 PM
dotnet.xml 7266 articles. 0 followers.

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Chad L wrote:
> We have a web application making use of the SignedXML and X509Certificate2
> classes. The server is running Windows Server 2008 Standard.
>
> Since the December patches were installed - my guess is either KB973688
> (Update for MSXML Core Services 4.0 SP2) or KB948465 (Windows Server 2008
> SP2) - performance has plumeted. Digging into the cause, the
> SignedXML.ComputeSignature() method and assigning a private key to the
> SigningKey each take 10-15 seconds to execute, all other operations execute
> in fractions of a second.

Aren't "SignedXML and X509Certificate2" .NET classes? I don't see how
changes to MSXML 4 (which is COM and not .NET) affect .NET classes.

You might want to post your question in the MSDN forums as there,
contrary to the newsgroups, some Microsoft employees answer questions so
you have a better chance finding expertise there.

about XML in the .NET framework but I am not sure SignedXml is
considered part of that. So asking first in
make sense.

--

Martin Honnen --- MVP XML
http://msmvps.com/blogs/martin_honnen/

 0
Martin
1/28/2010 11:14:37 AM

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