<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE test [
<!ATTLIST Info Id ID #IMPLIED>
]>
<Letter>
    Hello, World!    
    <Info Id="SomeData">
	<!-- Commentary -->
	<Data1> Some data </Data1>
	<Data2> More data </Data2>
    </Info>
<Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
<SignedInfo>
<CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/>
<SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#dsa-sha1"/>
<Reference Id="reference-1" URI="#xpointer(id('SomeData'))">
<Transforms>
<Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#WithComments"/>
</Transforms>
<DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/>
<DigestValue>x/tL8hKZQyExW6ba0pi5h8eWRCc=</DigestValue>
</Reference>
</SignedInfo>
<SignatureValue>sSXCVpcCRydyUIebOFA1xw2Yfgy+YP0Dd41jIz/57iGbowwqyODPfA==</SignatureValue>
<KeyInfo Id="">
<KeyValue>
<DSAKeyValue>
<P>
imW6KYBPYXAf6itSAuYs1aLPfs8/vBEiusv/pl1XMiuMvB7vyiJgSj8/NTkRci/U
X/rVXv8rbCRjvYFX3x5/53f4hc6HKz7JQI4qqB7Fl5N86zp+BsQxNQ4tzous9S2H
Td2/zdTwVsvO+H9l3FahmVp/m2IHE4W27JYoF49qP10=
</P>
<Q>
v/xzWqjRviekk2rMW3wpYspT9Us=
</Q>
<G>
UIyzUDlLe6uCCgF4Rh98fiKZvg64UJ4FM5L+WbCSMmVsFN06fTwxy3naPPOCzzou
fsHv/Bve2gvrDvd078oXWJJf9A44pIZnJkdjEhm2RsDFpXNq0tPKZFcjVsdmqg4M
X6YNuwpvZuTwSoDG5u1QMN0mmH9gmbIT3j9x4MO+7EY=
</G>
<Y>
On+KBJE3q1TRhG9RspNX01VI5C0VzSy4N/QyC4YzEENoq3GJkKHIYq+grq9ZqV9x
g2Geo/3mqhdcENOtYRmWEfOZJj18oukD6TNceYRZ4HjHjK3WY3wK2OV6QOly+k3f
xgEQpP/7IlCka5YICLuHXrbqjn5b0XcK9L2GDtWOyjs=
</Y>
</DSAKeyValue>
</KeyValue>
</KeyInfo>
</Signature></Letter>
