[Mono-dev] Having a problem with signed XML files

[Numpsy]

Hi all,
I have a Windows product that uses signed XML files which I'm trying to get
running under Mono on OSX, and I'm running into a verification failure at
runtime.
I'm pretty hazy about how the internals of this stuff works, but debugging
through it, the issue seems to be occurring in
System.Security.Cryptography.Xml.SignedXml.GetReferenceHash(), due to the
call to FixupNamespaceNodes added @

https://github.com/mono/mono/commit/b2f49647aaa8a62b90c21db8211cbe15723dd132#diff-92a9806a06b3715be52b2894cb7546d6R326

Which takes the XML in the form

<Object Id="LICENCES">
    <ArrayOfString xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="">
      <string>1234</string>
      ...
    </ArrayOfString>
</Object>

And copies the xmlns attributes on the ArrayOfString node onto the Object
node. If I skip over the FixupNamespaceNodes call, it all appears to work.

Anyone have any thoughts on how to proceed with this? The 'I haven't solved
the puzzle on why it is needed though.' comment on the commit doesn't fill
me with confidence :-(

Thanks,
Richard Webb



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