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<title>bignum</title>
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<h1>
<a name="XMLSEC-NSS-BIGNUM"></a>bignum</h1>
<div class="REFNAMEDIV">
<a name="AEN35524"></a><h2>Name</h2>bignum -- Big numbers helper functions.</div>
<div class="REFSYNOPSISDIV">
<a name="XMLSEC-NSS-BIGNUM.SYNOPSIS"></a><h2>Synopsis</h2>
<pre class="SYNOPSIS"><gtkdoclink href="SECITEM"><span class="RETURNVALUE">SECItem</span></gtkdoclink>* <a href="xmlsec-nss-bignum.html#XMLSECNSSNODEGETBIGNUMVALUE">xmlSecNssNodeGetBigNumValue</a> (<code class="PARAMETER"><gtkdoclink href="PRARENAPOOL"><span class="TYPE">PRArenaPool</span></gtkdoclink> *arena</code>,
<code class="PARAMETER">const <gtkdoclink href="XMLNODE"><span class="TYPE">xmlNodePtr</span></gtkdoclink> cur</code>,
<code class="PARAMETER"><gtkdoclink href="SECITEM"><span class="TYPE">SECItem</span></gtkdoclink> *a</code>);
<gtkdoclink href="INT"><span class="RETURNVALUE">int</span></gtkdoclink><a href="xmlsec-nss-bignum.html#XMLSECNSSNODESETBIGNUMVALUE">xmlSecNssNodeSetBigNumValue</a> (<code class="PARAMETER"><gtkdoclink href="XMLNODE"><span class="TYPE">xmlNodePtr</span></gtkdoclink> cur</code>,
<code class="PARAMETER">const <gtkdoclink href="SECITEM"><span class="TYPE">SECItem</span></gtkdoclink> *a</code>,
<code class="PARAMETER"><gtkdoclink href="INT"><span class="TYPE">int</span></gtkdoclink> addLineBreaks</code>);</pre>
</div>
<div class="REFSECT1">
<a name="XMLSEC-NSS-BIGNUM.DESCRIPTION"></a><h2>Description</h2>
<p>Big numbers helper functions.</p>
</div>
<div class="REFSECT1">
<a name="XMLSEC-NSS-BIGNUM.DETAILS"></a><h2>Details</h2>
<div class="REFSECT2">
<a name="XMLSECNSSNODEGETBIGNUMVALUE"></a><h3>xmlSecNssNodeGetBigNumValue ()</h3>
<pre class="PROGRAMLISTING"><gtkdoclink href="SECITEM"><span class="RETURNVALUE">SECItem</span></gtkdoclink>* xmlSecNssNodeGetBigNumValue (<code class="PARAMETER"><gtkdoclink href="PRARENAPOOL"><span class="TYPE">PRArenaPool</span></gtkdoclink> *arena</code>,
<code class="PARAMETER">const <gtkdoclink href="XMLNODE"><span class="TYPE">xmlNodePtr</span></gtkdoclink> cur</code>,
<code class="PARAMETER"><gtkdoclink href="SECITEM"><span class="TYPE">SECItem</span></gtkdoclink> *a</code>);</pre>
<p>Converts the node content from CryptoBinary format
(http://www.w3.org/TR/xmldsig-core/<gtkdoclink href="SEC-CRYPTOBINARY"><span class="TYPE">sec-CryptoBinary</span></gtkdoclink>)
to a SECItem. If no SECItem object provided then a new
one is created (caller is responsible for freeing it).</p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN35579"><span style="white-space: nowrap"><code class="PARAMETER">arena</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>the arena from which to allocate memory</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN35584"><span style="white-space: nowrap"><code class="PARAMETER">cur</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>the poitner to an XML node.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN35589"><span style="white-space: nowrap"><code class="PARAMETER">a</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>a SECItem object to hold the BigNum value</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN35594"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> a pointer to SECItem produced from CryptoBinary string
or NULL if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECNSSNODESETBIGNUMVALUE"></a><h3>xmlSecNssNodeSetBigNumValue ()</h3>
<pre class="PROGRAMLISTING"><gtkdoclink href="INT"><span class="RETURNVALUE">int</span></gtkdoclink> xmlSecNssNodeSetBigNumValue (<code class="PARAMETER"><gtkdoclink href="XMLNODE"><span class="TYPE">xmlNodePtr</span></gtkdoclink> cur</code>,
<code class="PARAMETER">const <gtkdoclink href="SECITEM"><span class="TYPE">SECItem</span></gtkdoclink> *a</code>,
<code class="PARAMETER"><gtkdoclink href="INT"><span class="TYPE">int</span></gtkdoclink> addLineBreaks</code>);</pre>
<p>Converts SECItem to CryptoBinary string
(http://www.w3.org/TR/xmldsig-core/<gtkdoclink href="SEC-CRYPTOBINARY"><span class="TYPE">sec-CryptoBinary</span></gtkdoclink>)
and sets it as the content of the given node. If the
addLineBreaks is set then line breaks are added
before and after the CryptoBinary string.</p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN35619"><span style="white-space: nowrap"><code class="PARAMETER">cur</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>the pointer to an XML node.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN35624"><span style="white-space: nowrap"><code class="PARAMETER">a</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>a SECItem containing the BigNum value.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN35629"><span style="white-space: nowrap"><code class="PARAMETER">addLineBreaks</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p>if the flag is equal to 1 then
linebreaks will be added before and after
new buffer content.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN35634"><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 -1 otherwise.</p></td>
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