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<h1>
<a name="XMLSEC-OPENSSL-EVP"></a>evp</h1>
<div class="REFNAMEDIV">
<a name="AEN28984"></a><h2>Name</h2>evp -- EVP keys data implementation.</div>
<div class="REFSYNOPSISDIV">
<a name="XMLSEC-OPENSSL-EVP.SYNOPSIS"></a><h2>Synopsis</h2>
<pre class="SYNOPSIS"><gtkdoclink href="INT"><span class="RETURNVALUE">int</span></gtkdoclink><a href="xmlsec-openssl-evp.html#XMLSECOPENSSLEVPKEYDATAADOPTEVP">xmlSecOpenSSLEvpKeyDataAdoptEvp</a> (<code class="PARAMETER"><a href="xmlsec-keysdata.html#XMLSECKEYDATA"><span class="TYPE">xmlSecKeyDataPtr</span></a> data</code>,
<code class="PARAMETER"><gtkdoclink href="EVP-PKEY:CAPS"><span class="TYPE">EVP_PKEY</span></gtkdoclink> *pKey</code>);
<gtkdoclink href="EVP-PKEY:CAPS"><span class="RETURNVALUE">EVP_PKEY</span></gtkdoclink>* <a href="xmlsec-openssl-evp.html#XMLSECOPENSSLEVPKEYDATAGETEVP">xmlSecOpenSSLEvpKeyDataGetEvp</a> (<code class="PARAMETER"><a href="xmlsec-keysdata.html#XMLSECKEYDATA"><span class="TYPE">xmlSecKeyDataPtr</span></a> data</code>);
<gtkdoclink href="EVP-PKEY:CAPS"><span class="RETURNVALUE">EVP_PKEY</span></gtkdoclink>* <a href="xmlsec-openssl-evp.html#XMLSECOPENSSLEVPKEYDUP">xmlSecOpenSSLEvpKeyDup</a> (<code class="PARAMETER"><gtkdoclink href="EVP-PKEY:CAPS"><span class="TYPE">EVP_PKEY</span></gtkdoclink> *pKey</code>);
<a href="xmlsec-keysdata.html#XMLSECKEYDATA"><span class="RETURNVALUE">xmlSecKeyDataPtr</span></a> <a href="xmlsec-openssl-evp.html#XMLSECOPENSSLEVPKEYADOPT">xmlSecOpenSSLEvpKeyAdopt</a> (<code class="PARAMETER"><gtkdoclink href="EVP-PKEY:CAPS"><span class="TYPE">EVP_PKEY</span></gtkdoclink> *pKey</code>);</pre>
</div>
<div class="REFSECT1">
<a name="XMLSEC-OPENSSL-EVP.DESCRIPTION"></a><h2>Description</h2>
<p>EVP keys data implementation.</p>
</div>
<div class="REFSECT1">
<a name="XMLSEC-OPENSSL-EVP.DETAILS"></a><h2>Details</h2>
<div class="REFSECT2">
<a name="XMLSECOPENSSLEVPKEYDATAADOPTEVP"></a><h3>xmlSecOpenSSLEvpKeyDataAdoptEvp ()</h3>
<pre class="PROGRAMLISTING"><gtkdoclink href="INT"><span class="RETURNVALUE">int</span></gtkdoclink> xmlSecOpenSSLEvpKeyDataAdoptEvp (<code class="PARAMETER"><a href="xmlsec-keysdata.html#XMLSECKEYDATA"><span class="TYPE">xmlSecKeyDataPtr</span></a> data</code>,
<code class="PARAMETER"><gtkdoclink href="EVP-PKEY:CAPS"><span class="TYPE">EVP_PKEY</span></gtkdoclink> *pKey</code>);</pre>
<p>Sets the value of key data.</p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN29037"><span style="white-space: nowrap"><code class="PARAMETER">data</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>the pointer to OpenSSL EVP key data.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN29042"><span style="white-space: nowrap"><code class="PARAMETER">pKey</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>the pointer to EVP key.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN29047"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> 0 on success or a negative value otherwise.</p></td>
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<hr>
<div class="REFSECT2">
<a name="XMLSECOPENSSLEVPKEYDATAGETEVP"></a><h3>xmlSecOpenSSLEvpKeyDataGetEvp ()</h3>
<pre class="PROGRAMLISTING"><gtkdoclink href="EVP-PKEY:CAPS"><span class="RETURNVALUE">EVP_PKEY</span></gtkdoclink>* xmlSecOpenSSLEvpKeyDataGetEvp (<code class="PARAMETER"><a href="xmlsec-keysdata.html#XMLSECKEYDATA"><span class="TYPE">xmlSecKeyDataPtr</span></a> data</code>);</pre>
<p>Gets the EVP_PKEY from the key data.</p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN29064"><span style="white-space: nowrap"><code class="PARAMETER">data</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>the pointer to OpenSSL EVP data.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN29069"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> pointer to EVP_PKEY or NULL if an error occurs.</p></td>
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<hr>
<div class="REFSECT2">
<a name="XMLSECOPENSSLEVPKEYDUP"></a><h3>xmlSecOpenSSLEvpKeyDup ()</h3>
<pre class="PROGRAMLISTING"><gtkdoclink href="EVP-PKEY:CAPS"><span class="RETURNVALUE">EVP_PKEY</span></gtkdoclink>* xmlSecOpenSSLEvpKeyDup (<code class="PARAMETER"><gtkdoclink href="EVP-PKEY:CAPS"><span class="TYPE">EVP_PKEY</span></gtkdoclink> *pKey</code>);</pre>
<p>Duplicates <code class="PARAMETER">pKey</code>.</p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN29087"><span style="white-space: nowrap"><code class="PARAMETER">pKey</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>the pointer to EVP_PKEY.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN29092"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> pointer to newly created EVP_PKEY object or NULL if an error occurs.</p></td>
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</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECOPENSSLEVPKEYADOPT"></a><h3>xmlSecOpenSSLEvpKeyAdopt ()</h3>
<pre class="PROGRAMLISTING"><a href="xmlsec-keysdata.html#XMLSECKEYDATA"><span class="RETURNVALUE">xmlSecKeyDataPtr</span></a> xmlSecOpenSSLEvpKeyAdopt (<code class="PARAMETER"><gtkdoclink href="EVP-PKEY:CAPS"><span class="TYPE">EVP_PKEY</span></gtkdoclink> *pKey</code>);</pre>
<p>Creates xmlsec key object from OpenSSL key object.</p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN29109"><span style="white-space: nowrap"><code class="PARAMETER">pKey</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>the pointer to EVP_PKEY.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN29114"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> pointer to newly created xmlsec key or NULL if an error occurs.</p></td>
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