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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>xmlsec: XML Security Library Reference Manual</title>
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<div class="refentry">
<a name="xmlsec-xmlsec"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="xmlsec-xmlsec.top_of_page"></a>xmlsec</span></h2>
<p>xmlsec — Utility functions.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="xmlsec-xmlsec.stability-level"></a><h2>Stability Level</h2>
<a href="http://foldoc.org/Stable"><span class="acronym">Stable</span></a>, unless otherwise indicated
</div>
<div class="refsect1">
<a name="xmlsec-xmlsec.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-xmlsec.html#xmlSecInit" title="xmlSecInit ()">xmlSecInit</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-xmlsec.html#xmlSecShutdown" title="xmlSecShutdown ()">xmlSecShutdown</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <font><span class="returnvalue">xmlChar</span></font> *
</td>
<td class="function_name">
<a class="link" href="xmlsec-xmlsec.html#xmlSecGetDefaultCrypto" title="xmlSecGetDefaultCrypto ()">xmlSecGetDefaultCrypto</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">void</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-xmlsec.html#xmlSecSetExternalEntityLoader" title="xmlSecSetExternalEntityLoader ()">xmlSecSetExternalEntityLoader</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="xmlsec-xmlsec.html#xmlSecSize" title="xmlSecSize"><span class="returnvalue">xmlSecSize</span></a>
</td>
<td class="function_name">
<a class="link" href="xmlsec-xmlsec.html#xmlSecStrlen" title="xmlSecStrlen ()">xmlSecStrlen</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="xmlsec-xmlsec.html#xmlSecCheckVersionExact" title="xmlSecCheckVersionExact">xmlSecCheckVersionExact</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="xmlsec-xmlsec.html#xmlSecCheckVersion" title="xmlSecCheckVersion">xmlSecCheckVersion</a></td>
</tr>
<tr>
<td class="function_type">
<font><span class="returnvalue">int</span></font>
</td>
<td class="function_name">
<a class="link" href="xmlsec-xmlsec.html#xmlSecCheckVersionExt" title="xmlSecCheckVersionExt ()">xmlSecCheckVersionExt</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="xmlsec-xmlsec.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="xmlsec-xmlsec.html#XMLSEC-DEPRECATED:CAPS" title="XMLSEC_DEPRECATED">XMLSEC_DEPRECATED</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><font>xmlSecPtr</font></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="xmlsec-xmlsec.html#XMLSEC-SIZE-T-FMT:CAPS" title="XMLSEC_SIZE_T_FMT">XMLSEC_SIZE_T_FMT</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="xmlsec-xmlsec.html#xmlSecSize" title="xmlSecSize">xmlSecSize</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="xmlsec-xmlsec.html#XMLSEC-SIZE-MIN:CAPS" title="XMLSEC_SIZE_MIN">XMLSEC_SIZE_MIN</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="xmlsec-xmlsec.html#XMLSEC-SIZE-MAX:CAPS" title="XMLSEC_SIZE_MAX">XMLSEC_SIZE_MAX</a></td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="xmlsec-xmlsec.html#XMLSEC-SIZE-FMT:CAPS" title="XMLSEC_SIZE_FMT">XMLSEC_SIZE_FMT</a></td>
</tr>
<tr>
<td class="typedef_keyword">typedef</td>
<td class="function_name"><a class="link" href="xmlsec-xmlsec.html#xmlSecByte" title="xmlSecByte">xmlSecByte</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="xmlsec-xmlsec.html#xmlSecCheckVersionMode" title="enum xmlSecCheckVersionMode">xmlSecCheckVersionMode</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="xmlsec-xmlsec.description"></a><h2>Description</h2>
<p>Various utility functions.</p>
</div>
<div class="refsect1">
<a name="xmlsec-xmlsec.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="xmlSecInit"></a><h3>xmlSecInit ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecInit (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Initializes XML Security Library. The depended libraries
(LibXML and LibXSLT) must be initialized before.</p>
<div class="refsect3">
<a name="xmlSecInit.returns"></a><h4>Returns</h4>
<p> 0 on success or a negative value otherwise.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecShutdown"></a><h3>xmlSecShutdown ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecShutdown (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Clean ups the XML Security Library.</p>
<div class="refsect3">
<a name="xmlSecShutdown.returns"></a><h4>Returns</h4>
<p> 0 on success or a negative value otherwise.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecGetDefaultCrypto"></a><h3>xmlSecGetDefaultCrypto ()</h3>
<pre class="programlisting">const <font><span class="returnvalue">xmlChar</span></font> *
xmlSecGetDefaultCrypto (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Gets the default crypto engine ("openssl", "nss", etc.) for the XML Security Library.</p>
<div class="refsect3">
<a name="xmlSecGetDefaultCrypto.returns"></a><h4>Returns</h4>
<p> the default crypto engine ("openssl", "nss", etc.).</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecSetExternalEntityLoader"></a><h3>xmlSecSetExternalEntityLoader ()</h3>
<pre class="programlisting"><font><span class="returnvalue">void</span></font>
xmlSecSetExternalEntityLoader (<em class="parameter"><code><font><span class="type">xmlExternalEntityLoader</span></font> entityLoader</code></em>);</pre>
<p>Wrapper for xmlSetExternalEntityLoader.</p>
<div class="refsect3">
<a name="xmlSecSetExternalEntityLoader.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>entityLoader</p></td>
<td class="parameter_description"><p>the new entity resolver function, or NULL to restore libxml2's default handler</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecStrlen"></a><h3>xmlSecStrlen ()</h3>
<pre class="programlisting"><a class="link" href="xmlsec-xmlsec.html#xmlSecSize" title="xmlSecSize"><span class="returnvalue">xmlSecSize</span></a>
xmlSecStrlen (<em class="parameter"><code>const <font><span class="type">xmlChar</span></font> *str</code></em>);</pre>
<p>Calcaulates the lenght of the string.</p>
<div class="refsect3">
<a name="xmlSecStrlen.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>str</p></td>
<td class="parameter_description"><p>the string.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecStrlen.returns"></a><h4>Returns</h4>
<p> the length of the string.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecCheckVersionExact"></a><h3>xmlSecCheckVersionExact</h3>
<pre class="programlisting">#define xmlSecCheckVersionExact()</pre>
<p>Macro. Returns 1 if the loaded xmlsec library version exactly matches
the one used to compile the caller, 0 if it does not or a negative
value if an error occurs.</p>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecCheckVersion"></a><h3>xmlSecCheckVersion</h3>
<pre class="programlisting">#define xmlSecCheckVersion()</pre>
<p>Macro. Returns 1 if the loaded xmlsec library version ABI compatible with
the one used to compile the caller, 0 if it does not or a negative
value if an error occurs.</p>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecCheckVersionExt"></a><h3>xmlSecCheckVersionExt ()</h3>
<pre class="programlisting"><font><span class="returnvalue">int</span></font>
xmlSecCheckVersionExt (<em class="parameter"><code><font><span class="type">int</span></font> major</code></em>,
<em class="parameter"><code><font><span class="type">int</span></font> minor</code></em>,
<em class="parameter"><code><font><span class="type">int</span></font> subminor</code></em>,
<em class="parameter"><code><a class="link" href="xmlsec-xmlsec.html#xmlSecCheckVersionMode" title="enum xmlSecCheckVersionMode"><span class="type">xmlSecCheckVersionMode</span></a> mode</code></em>);</pre>
<p>Checks if the loaded version of xmlsec library could be used.</p>
<div class="refsect3">
<a name="xmlSecCheckVersionExt.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>major</p></td>
<td class="parameter_description"><p>the major version number.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>minor</p></td>
<td class="parameter_description"><p>the minor version number.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>subminor</p></td>
<td class="parameter_description"><p>the subminor version number.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>mode</p></td>
<td class="parameter_description"><p>the version check mode.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xmlSecCheckVersionExt.returns"></a><h4>Returns</h4>
<p> 1 if the loaded xmlsec library version is OK to use
0 if it is not or a negative value if an error occurs.</p>
</div>
</div>
</div>
<div class="refsect1">
<a name="xmlsec-xmlsec.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="XMLSEC-DEPRECATED:CAPS"></a><h3>XMLSEC_DEPRECATED</h3>
<pre class="programlisting">#define XMLSEC_DEPRECATED __attribute__((deprecated))
</pre>
<p>Marks function as deprecated.</p>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecPtr"></a><h3>xmlSecPtr</h3>
<pre class="programlisting">typedef void* xmlSecPtr;
</pre>
<p>Void pointer.</p>
</div>
<hr>
<div class="refsect2">
<a name="XMLSEC-SIZE-T-FMT:CAPS"></a><h3>XMLSEC_SIZE_T_FMT</h3>
<pre class="programlisting">#define XMLSEC_SIZE_T_FMT "%llu"
</pre>
<p>The only reason we need this is that MinGW doesn't recognize "<font><code class="literal">zu</code></font>"
despite the fact that MSVC runtime supports it for 10+ years.</p>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecSize"></a><h3>xmlSecSize</h3>
<pre class="programlisting">typedef size_t xmlSecSize;
</pre>
<p>Size of something.</p>
</div>
<hr>
<div class="refsect2">
<a name="XMLSEC-SIZE-MIN:CAPS"></a><h3>XMLSEC_SIZE_MIN</h3>
<pre class="programlisting">#define XMLSEC_SIZE_MIN ((xmlSecSize)0)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="XMLSEC-SIZE-MAX:CAPS"></a><h3>XMLSEC_SIZE_MAX</h3>
<pre class="programlisting">#define XMLSEC_SIZE_MAX SIZE_MAX
</pre>
</div>
<hr>
<div class="refsect2">
<a name="XMLSEC-SIZE-FMT:CAPS"></a><h3>XMLSEC_SIZE_FMT</h3>
<pre class="programlisting">#define XMLSEC_SIZE_FMT XMLSEC_SIZE_T_FMT
</pre>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecByte"></a><h3>xmlSecByte</h3>
<pre class="programlisting">typedef unsigned char xmlSecByte;
</pre>
<p>One byte.</p>
</div>
<hr>
<div class="refsect2">
<a name="xmlSecCheckVersionMode"></a><h3>enum xmlSecCheckVersionMode</h3>
<p>The xmlsec library version mode.</p>
<div class="refsect3">
<a name="xmlSecCheckVersionMode.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="xmlSecCheckVersionExactMatch"></a>xmlSecCheckVersionExactMatch</p></td>
<td class="enum_member_description"><p>the version should match exactly.</p></td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="xmlSecCheckVersionABICompatible"></a>xmlSecCheckVersionABICompatible</p></td>
<td class="enum_member_description"><p>the version should be ABI compatible.</p></td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
</div>
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