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<p class="MsoPlainText"><span lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">I would like to sign specific parts of my SOAP message.<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">Therefore for example I added an Id attribute to my message body<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><ns0:Body ns4:Id="id-d27b22e6-7bf5-46de-9d3c-66d04a209827"><o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">I also create a reference element containing the xpointer as an URI.<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">xmlNodePtr refNode = xmlSecTmplSignatureAddReference(signNode,<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">xmlSecTransformSha256Id, NULL, reinterpret_cast<const
<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">unsigned char *>("#id-d27b22e6-7bf5-46de-9d3c-66d04a209827"), NULL);<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">But I get this error:<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">func=xmlSecXPathDataExecute:file=xpath.c:line=247:obj=unknown:subj=xml<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">XPtrEval:error=5:libxml2<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">library function<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">failed:expr=xpointer(id('id-d27b22e6-7bf5-46de-9d3c-66d04a209827'));
<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">xml<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">error: 0: NULL<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">Unfortunately I couldn’t find any example for doing such a thing.<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">I also started debugging into libxmlsec1 and libxml2 to know a bit
<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">more about that but coming into libxml2 it gets quite complicated.<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">I guess I’m doing something wrong with the xpointer because I also
<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">tried a simple xpointer example in libxml2 and couldn’t get a proper result.<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">Maybe you have some advice for me what I’m doing wrong or at least
<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">what I should try next.<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">Thanks in advance!<o:p></o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoPlainText"><span lang="EN-US">Best regards,<o:p></o:p></span></p>
<p class="MsoPlainText"><o:p> </o:p></p>
<p class="MsoPlainText">Stefan<o:p></o:p></p>
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<font face="Calibri"><span style="FONT-SIZE: 11pt">Mit freundlichen Grüßen / Best regards,</span><br>
</font><span style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri; COLOR: #000000"><strong><br>
<font style="font-family:Calibri;font-size:11pt;color:#000000;">Stefan</font><font color="#000000"> </font><font style="font-family:Calibri;font-size:11pt;color:#000000;">Grünwald</font><br>
</strong><font style="font-family:Calibri;font-size:11pt;color:#000000;">Teamleader Development Bold</font><br>
<font size="1"><br>
</font><font style="font-family:Calibri;font-size:11pt;color:#000000;font-weight:bold;">CASHPOINT Agentur & IT-Service GmbH</font><br>
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</font><font style="font-family:Calibri;font-size:11pt;color:Black;">2201</font><font color="black"> </font><font style="font-family:Calibri;font-size:11pt;color:Black;">Gerasdorf</font><font color="black">,
</font><font style="font-family:Calibri;font-size:11pt;color:Black;">AUSTRIA</font><br>
<font size="1"><br>
<font color="windowtext"></font></font><span style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri; COLOR: #000000">Phone
</span><font style="font-family:Calibri;font-size:11pt;color:windowtext;">+43 1 21772 1312</font><br>
<span style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri; COLOR: #000000">Fax </span><font style="font-family:Calibri;font-size:11pt;color:windowtext;">+43 (1) 7347330</font><br>
<span style="font-family:Calibri;font-size:11pt;color:#0070C0;"><a href="mailto:s.gruenwald@cashpoint.com" title="Click to send email to Grünwald, Stefan" target="" style="font-family:Calibri;font-size:11pt;color:#0070C0;"><span style="font-family:Calibri; font-size:11pt; color:#0070C0;">s.gruenwald@cashpoint.com</span></a></span><br>
<span style="font-family:Calibri;font-size:12pt;color:#0070C0;"><a href="https://www.cashpoint.com" title="" target="" style="font-family:Calibri;font-size:12pt;color:#0070C0;"><span style="font-family:Calibri; font-size:12pt; color:#0070C0;">www.cashpoint.com</span></a></span><br>
<font size="1"><br>
</font><span style="FONT-SIZE: 11pt; FONT-FAMILY: Calibri; COLOR: #000000">FN: 146190k, FB-Gericht: Landesgericht Korneuburg</span><br>
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