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Chapter 2. Technologies in XML 39
[03] <name>Jenny Smith</name>
[04] <cost>230.0</cost>
[05] <seats>4</seats>
[06] </passengers>
[07] <cardcard>
[08] <name>John Smith</name>
[09] <expirydate>02/2006</expirydate>
[10] <cardnumber>3760 234567 76547</cardnumber>
[11] </cardcard>
[12] <EncryptedData
Id="enc1"xmlns="http://www.w3.org/2001/04/xmlenc#">...</EncryptedData>
[13]</ticket>
After this user signs and encrypts this document, it would look like Example 2-13.
Example 2-13 The final XML document after encryption
[01] <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
[02] <SignedInfo>
[03] ...
[04] <Reference URI="#order">
[05] <Transforms>
[06] <Transform
Algorithm="http://www.w3.org/2001/04/xmlenc#decryption">
[07] <DataReference URI="#enc1"
xmlns="http://www.w3.org/2001/04/xmlenc#"/>
[08] </Transform>
[09] <Transform
Algorithm="http://www.w3.org/TR/2000/CR-xml-c14n-20001026"/>
[10] </Transforms>
[11] ...
[12] </Reference>
[13] </SignedInfo>
[14] <SignatureValue>...</SignatureValue>
[15] <Object>
[16] <ticket Id="EXTYGH">
[17] <passengers>
[18] <name>Jenny Smith</name>
[19] <cost>230.0</cost>
[20] <seats>4</seats>
[21] </passengers>
[22] <EncryptedData Id="enc2" xmlns="http://www.w3.org/2001/04/xmlenc#">
...</EncryptedData>
[23] <EncryptedData Id="enc1" xmlns="http://www.w3.org/2001/04/xmlenc#">
...</EncryptedData>
[24] </ticket>
[25] </Object>