[xmlsec] namespace definition significant ?

[Aleksey Sanin]

You are correct - it is hard to say something w/o having a big picture :)

One these two links should help you to figure out what exactly should be 
produced

http://www.w3.org/TR/xml-c14n
http://www.w3.org/TR/xml-c14n11/


Aleksey


On 4/13/11 7:20 AM, Roland Hedberg wrote:
> Hmm, looking at the XML again I'm not so sure anymore.
> Sorry, I might have misled you, not giving you the whole picture.
>
> The fact is that what I'm verifying is a SAML Response where the Assertion is signed.
> The whole document contains a xmlns:xsi specification, namely at the top, in the Response element.
>
> But if you only look at the Assertion element by itself there is none.
>
> The Assertion element is a child to the Response element, hence it doesn't have to have the xmlns:xsi specification since a parent has it.
> The same goes for the Attributes elements that exist below the Assertion element.
> But this is only if you look at the Reponse as a XML document.
>
> Does the fact that the Assertion element is a signed element force the inclusion of a xmlns:xsi specification in the Assertion tree ?
> Ignoring what is defined in unsigned parent elements ?
>
> Phrased differently *MUST* the Assertion element be self contained ?
>
> On Apr 13, 2011, at 15:42, Aleksey Sanin wrote:
>
>> Yes.
>>
>> http://www.w3.org/TR/xml-c14n
>>
>> Aleksey
>>
>>
>> On 4/13/11 6:41 AM, Roland Hedberg wrote:
>>> Hi!
>>>
>>> Trying to find out why a signature verification failed.
>>> So, I compared what I got and what xmlsec1 has as predigest data.
>>>
>>> Nothing that I could see except for the fact that xmlsec1 in the predigest data has add xmlns specifications for xsi.
>>>
>>> <ns1:Attribute FriendlyName="eduPersonEntitlement" Name="urn:oid:1.3.6.1.4.1.5923.1.1.1.7" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri"><ns1:AttributeValue xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="xs:string">foo</ns1:AttributeValue></ns1:Attribute>
>>>
>>> The original was:
>>>
>>> <ns1:Attribute FriendlyName="eduPersonEntitlement" Name="urn:oid:1.3.6.1.4.1.5923.1.1.1.7" NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri"><ns1:AttributeValue xsi:type="xs:string">foo</ns1:AttributeValue></ns1:Attribute>
>>>
>>> Is this significant ??
>>>
>>> --Roland
>>>
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> --Roland
>