Signature validation fails

[Nicolas Peifer]

Hello,

I'm totally lost as the signature validation fails after I have parsed my 
AuthnRequest. 

It is strange - the validation works if I parse the AuthnRequest, create the 
signature and validate it directly. 

I tried several things including printing the parsed AuthnRequest and the 
signed one - the <ds:SignatureValue> is the same so it is not understandable 
why the validation fails.

This is the AuthnRequest: http://paste.kde.org/127735/

This is the code which calculated the signature: http://paste.kde.org/127741/

This is the code which validates the signature: http://paste.kde.org/127747/

Has anyone an hint or idea what could be wrong?

Regards
Nicolas
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