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<html>
<head>
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<title>bn</title>
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<h1>
<a name="XMLSEC-BN"></a>bn</h1>
<div class="REFNAMEDIV">
<a name="AEN2852"></a><h2>Name</h2>bn -- Big numbers support functions.</div>
<div class="REFSYNOPSISDIV">
<a name="XMLSEC-BN.SYNOPSIS"></a><h2>Synopsis</h2>
<pre class="SYNOPSIS">enum <a href="xmlsec-bn.html#XMLSECBNFORMAT">xmlSecBnFormat</a>;
<font>xmlSecBnPtr</font> <a href="xmlsec-bn.html#XMLSECBNCREATE">xmlSecBnCreate</a> (<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> size);
<font>void</font> <a href="xmlsec-bn.html#XMLSECBNDESTROY">xmlSecBnDestroy</a> (<font>xmlSecBnPtr</font> bn);
<font>int</font> <a href="xmlsec-bn.html#XMLSECBNINITIALIZE">xmlSecBnInitialize</a> (<font>xmlSecBnPtr</font> bn,
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> size);
<font>void</font> <a href="xmlsec-bn.html#XMLSECBNFINALIZE">xmlSecBnFinalize</a> (<font>xmlSecBnPtr</font> bn);
<a href="xmlsec-xmlsec.html#XMLSECBYTE">xmlSecByte</a>* <a href="xmlsec-bn.html#XMLSECBNGETDATA">xmlSecBnGetData</a> (<font>xmlSecBnPtr</font> bn);
<font>int</font> <a href="xmlsec-bn.html#XMLSECBNSETDATA">xmlSecBnSetData</a> (<font>xmlSecBnPtr</font> bn,
const <a href="xmlsec-xmlsec.html#XMLSECBYTE">xmlSecByte</a> *data,
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> size);
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> <a href="xmlsec-bn.html#XMLSECBNGETSIZE">xmlSecBnGetSize</a> (<font>xmlSecBnPtr</font> bn);
<font>void</font> <a href="xmlsec-bn.html#XMLSECBNZERO">xmlSecBnZero</a> (<font>xmlSecBnPtr</font> bn);
<font>int</font> <a href="xmlsec-bn.html#XMLSECBNFROMSTRING">xmlSecBnFromString</a> (<font>xmlSecBnPtr</font> bn,
const <font>xmlChar</font> *str,
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> base);
<font>xmlChar</font>* <a href="xmlsec-bn.html#XMLSECBNTOSTRING">xmlSecBnToString</a> (<font>xmlSecBnPtr</font> bn,
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> base);
<font>int</font> <a href="xmlsec-bn.html#XMLSECBNFROMHEXSTRING">xmlSecBnFromHexString</a> (<font>xmlSecBnPtr</font> bn,
const <font>xmlChar</font> *str);
<font>xmlChar</font>* <a href="xmlsec-bn.html#XMLSECBNTOHEXSTRING">xmlSecBnToHexString</a> (<font>xmlSecBnPtr</font> bn);
<font>int</font> <a href="xmlsec-bn.html#XMLSECBNFROMDECSTRING">xmlSecBnFromDecString</a> (<font>xmlSecBnPtr</font> bn,
const <font>xmlChar</font> *str);
<font>xmlChar</font>* <a href="xmlsec-bn.html#XMLSECBNTODECSTRING">xmlSecBnToDecString</a> (<font>xmlSecBnPtr</font> bn);
<font>int</font> <a href="xmlsec-bn.html#XMLSECBNMUL">xmlSecBnMul</a> (<font>xmlSecBnPtr</font> bn,
<font>int</font> multiplier);
<font>int</font> <a href="xmlsec-bn.html#XMLSECBNDIV">xmlSecBnDiv</a> (<font>xmlSecBnPtr</font> bn,
<font>int</font> divider,
<font>int</font> *mod);
<font>int</font> <a href="xmlsec-bn.html#XMLSECBNADD">xmlSecBnAdd</a> (<font>xmlSecBnPtr</font> bn,
<font>int</font> delta);
<font>int</font> <a href="xmlsec-bn.html#XMLSECBNREVERSE">xmlSecBnReverse</a> (<font>xmlSecBnPtr</font> bn);
<font>int</font> <a href="xmlsec-bn.html#XMLSECBNCOMPARE">xmlSecBnCompare</a> (<font>xmlSecBnPtr</font> bn,
const <a href="xmlsec-xmlsec.html#XMLSECBYTE">xmlSecByte</a> *data,
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> dataSize);
<font>int</font> <a href="xmlsec-bn.html#XMLSECBNCOMPAREREVERSE">xmlSecBnCompareReverse</a> (<font>xmlSecBnPtr</font> bn,
const <a href="xmlsec-xmlsec.html#XMLSECBYTE">xmlSecByte</a> *data,
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> dataSize);
<font>int</font> <a href="xmlsec-bn.html#XMLSECBNGETNODEVALUE">xmlSecBnGetNodeValue</a> (<font>xmlSecBnPtr</font> bn,
<font>xmlNodePtr</font> cur,
<a href="xmlsec-bn.html#XMLSECBNFORMAT">xmlSecBnFormat</a> format,
<font>int</font> reverse);
<font>int</font> <a href="xmlsec-bn.html#XMLSECBNSETNODEVALUE">xmlSecBnSetNodeValue</a> (<font>xmlSecBnPtr</font> bn,
<font>xmlNodePtr</font> cur,
<a href="xmlsec-bn.html#XMLSECBNFORMAT">xmlSecBnFormat</a> format,
<font>int</font> reverse,
<font>int</font> addLineBreaks);
<font>int</font> <a href="xmlsec-bn.html#XMLSECBNBLOBSETNODEVALUE">xmlSecBnBlobSetNodeValue</a> (const <a href="xmlsec-xmlsec.html#XMLSECBYTE">xmlSecByte</a> *data,
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> dataSize,
<font>xmlNodePtr</font> cur,
<a href="xmlsec-bn.html#XMLSECBNFORMAT">xmlSecBnFormat</a> format,
<font>int</font> reverse,
<font>int</font> addLineBreaks);</pre>
</div>
<div class="REFSECT1">
<a name="XMLSEC-BN.DESCRIPTION"></a><h2>Description</h2>
<p>Big numbers support functions.</p>
</div>
<div class="REFSECT1">
<a name="XMLSEC-BN.DETAILS"></a><h2>Details</h2>
<div class="REFSECT2">
<a name="XMLSECBNFORMAT"></a><h3>enum xmlSecBnFormat</h3>
<pre class="PROGRAMLISTING">typedef enum {
xmlSecBnBase64,
xmlSecBnHex,
xmlSecBnDec
} xmlSecBnFormat;</pre>
<p>The big numbers formats.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="XMLSECBNBASE64"><span style="white-space: nowrap"><tt class="LITERAL">xmlSecBnBase64</tt></span></a></td>
<td align="LEFT" valign="TOP"><p> the base64 decoded binary blob.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="XMLSECBNHEX"><span style="white-space: nowrap"><tt class="LITERAL">xmlSecBnHex</tt></span></a></td>
<td align="LEFT" valign="TOP"><p> the hex number.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="XMLSECBNDEC"><span style="white-space: nowrap"><tt class="LITERAL">xmlSecBnDec</tt></span></a></td>
<td align="LEFT" valign="TOP"><p> the decimal number.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNCREATE"></a><h3>xmlSecBnCreate ()</h3>
<pre class="PROGRAMLISTING"><font>xmlSecBnPtr</font> xmlSecBnCreate (<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> size);</pre>
<p>Creates a new BN object. Caller is responsible for destroying it
by calling <code class="PARAMETER">xmlSecBnDestroy</code> function.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN2995"><span style="white-space: nowrap"><code class="PARAMETER">size</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the initial allocated BN size.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3000"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the newly BN or a NULL if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNDESTROY"></a><h3>xmlSecBnDestroy ()</h3>
<pre class="PROGRAMLISTING"><font>void</font> xmlSecBnDestroy (<font>xmlSecBnPtr</font> bn);</pre>
<p>Destroys <code class="PARAMETER">bn</code> object created with <code class="PARAMETER">xmlSecBnCreate</code> function.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody><tr>
<td align="LEFT" valign="TOP"><a name="AEN3017"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr></tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNINITIALIZE"></a><h3>xmlSecBnInitialize ()</h3>
<pre class="PROGRAMLISTING"><font>int</font> xmlSecBnInitialize (<font>xmlSecBnPtr</font> bn,
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> size);</pre>
<p>Initializes a BN object. Caller is responsible for destroying it
by calling <code class="PARAMETER">xmlSecBnFinalize</code> function.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3034"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3039"><span style="white-space: nowrap"><code class="PARAMETER">size</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the initial allocated BN size.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3044"><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 if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNFINALIZE"></a><h3>xmlSecBnFinalize ()</h3>
<pre class="PROGRAMLISTING"><font>void</font> xmlSecBnFinalize (<font>xmlSecBnPtr</font> bn);</pre>
<p>Destroys <code class="PARAMETER">bn</code> object created with <code class="PARAMETER">xmlSecBnInitialize</code> function.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody><tr>
<td align="LEFT" valign="TOP"><a name="AEN3061"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr></tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNGETDATA"></a><h3>xmlSecBnGetData ()</h3>
<pre class="PROGRAMLISTING"><a href="xmlsec-xmlsec.html#XMLSECBYTE">xmlSecByte</a>* xmlSecBnGetData (<font>xmlSecBnPtr</font> bn);</pre>
<p>Gets pointer to the binary <code class="PARAMETER">bn</code> representation.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3077"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3082"><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 binary BN data or NULL if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNSETDATA"></a><h3>xmlSecBnSetData ()</h3>
<pre class="PROGRAMLISTING"><font>int</font> xmlSecBnSetData (<font>xmlSecBnPtr</font> bn,
const <a href="xmlsec-xmlsec.html#XMLSECBYTE">xmlSecByte</a> *data,
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> size);</pre>
<p>Sets the value of <code class="PARAMETER">bn</code> to <code class="PARAMETER">data</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3101"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3106"><span style="white-space: nowrap"><code class="PARAMETER">data</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to new BN binary data.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3111"><span style="white-space: nowrap"><code class="PARAMETER">size</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the size of new BN data.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3116"><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 if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNGETSIZE"></a><h3>xmlSecBnGetSize ()</h3>
<pre class="PROGRAMLISTING"><a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> xmlSecBnGetSize (<font>xmlSecBnPtr</font> bn);</pre>
<p>Gets the size of binary data in <code class="PARAMETER">bn</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3132"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3137"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the size of binary data.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNZERO"></a><h3>xmlSecBnZero ()</h3>
<pre class="PROGRAMLISTING"><font>void</font> xmlSecBnZero (<font>xmlSecBnPtr</font> bn);</pre>
<p>Sets the value of <code class="PARAMETER">bn</code> to zero.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody><tr>
<td align="LEFT" valign="TOP"><a name="AEN3153"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr></tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNFROMSTRING"></a><h3>xmlSecBnFromString ()</h3>
<pre class="PROGRAMLISTING"><font>int</font> xmlSecBnFromString (<font>xmlSecBnPtr</font> bn,
const <font>xmlChar</font> *str,
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> base);</pre>
<p>Reads <code class="PARAMETER">bn</code> from string <code class="PARAMETER">str</code> assuming it has base <code class="PARAMETER">base</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3173"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3178"><span style="white-space: nowrap"><code class="PARAMETER">str</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the string with BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3183"><span style="white-space: nowrap"><code class="PARAMETER">base</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the base for <code class="PARAMETER">str</code>.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3189"><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 if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNTOSTRING"></a><h3>xmlSecBnToString ()</h3>
<pre class="PROGRAMLISTING"><font>xmlChar</font>* xmlSecBnToString (<font>xmlSecBnPtr</font> bn,
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> base);</pre>
<p>Writes <code class="PARAMETER">bn</code> to string with base <code class="PARAMETER">base</code>. Caller is responsible for
freeing returned string with <code class="PARAMETER">xmlFree</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3208"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3213"><span style="white-space: nowrap"><code class="PARAMETER">base</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the base for returned string.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3218"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the string represenataion if BN or a NULL if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNFROMHEXSTRING"></a><h3>xmlSecBnFromHexString ()</h3>
<pre class="PROGRAMLISTING"><font>int</font> xmlSecBnFromHexString (<font>xmlSecBnPtr</font> bn,
const <font>xmlChar</font> *str);</pre>
<p>Reads <code class="PARAMETER">bn</code> from hex string <code class="PARAMETER">str</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3236"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3241"><span style="white-space: nowrap"><code class="PARAMETER">str</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the string with BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3246"><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 if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNTOHEXSTRING"></a><h3>xmlSecBnToHexString ()</h3>
<pre class="PROGRAMLISTING"><font>xmlChar</font>* xmlSecBnToHexString (<font>xmlSecBnPtr</font> bn);</pre>
<p>Writes <code class="PARAMETER">bn</code> to hex string. Caller is responsible for
freeing returned string with <code class="PARAMETER">xmlFree</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3263"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3268"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the string represenataion if BN or a NULL if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNFROMDECSTRING"></a><h3>xmlSecBnFromDecString ()</h3>
<pre class="PROGRAMLISTING"><font>int</font> xmlSecBnFromDecString (<font>xmlSecBnPtr</font> bn,
const <font>xmlChar</font> *str);</pre>
<p>Reads <code class="PARAMETER">bn</code> from decimal string <code class="PARAMETER">str</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3286"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3291"><span style="white-space: nowrap"><code class="PARAMETER">str</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the string with BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3296"><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 if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNTODECSTRING"></a><h3>xmlSecBnToDecString ()</h3>
<pre class="PROGRAMLISTING"><font>xmlChar</font>* xmlSecBnToDecString (<font>xmlSecBnPtr</font> bn);</pre>
<p>Writes <code class="PARAMETER">bn</code> to decimal string. Caller is responsible for
freeing returned string with <code class="PARAMETER">xmlFree</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3313"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3318"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the string represenataion if BN or a NULL if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNMUL"></a><h3>xmlSecBnMul ()</h3>
<pre class="PROGRAMLISTING"><font>int</font> xmlSecBnMul (<font>xmlSecBnPtr</font> bn,
<font>int</font> multiplier);</pre>
<p>Multiplies <code class="PARAMETER">bn</code> with <code class="PARAMETER">multiplier</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3336"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3341"><span style="white-space: nowrap"><code class="PARAMETER">multiplier</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the multiplier.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3346"><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 if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNDIV"></a><h3>xmlSecBnDiv ()</h3>
<pre class="PROGRAMLISTING"><font>int</font> xmlSecBnDiv (<font>xmlSecBnPtr</font> bn,
<font>int</font> divider,
<font>int</font> *mod);</pre>
<p>Divides <code class="PARAMETER">bn</code> by <code class="PARAMETER">divider</code> and places modulus into <code class="PARAMETER">mod</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3366"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3371"><span style="white-space: nowrap"><code class="PARAMETER">divider</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the divider</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3376"><span style="white-space: nowrap"><code class="PARAMETER">mod</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer for modulus result.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3381"><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 if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNADD"></a><h3>xmlSecBnAdd ()</h3>
<pre class="PROGRAMLISTING"><font>int</font> xmlSecBnAdd (<font>xmlSecBnPtr</font> bn,
<font>int</font> delta);</pre>
<p>Adds <code class="PARAMETER">delta</code> to <code class="PARAMETER">bn</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3399"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3404"><span style="white-space: nowrap"><code class="PARAMETER">delta</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the delta.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3409"><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 if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNREVERSE"></a><h3>xmlSecBnReverse ()</h3>
<pre class="PROGRAMLISTING"><font>int</font> xmlSecBnReverse (<font>xmlSecBnPtr</font> bn);</pre>
<p>Reverses bytes order in <code class="PARAMETER">bn</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3425"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3430"><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 if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNCOMPARE"></a><h3>xmlSecBnCompare ()</h3>
<pre class="PROGRAMLISTING"><font>int</font> xmlSecBnCompare (<font>xmlSecBnPtr</font> bn,
const <a href="xmlsec-xmlsec.html#XMLSECBYTE">xmlSecByte</a> *data,
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> dataSize);</pre>
<p>Compares the <code class="PARAMETER">bn</code> with <code class="PARAMETER">data</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3449"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3454"><span style="white-space: nowrap"><code class="PARAMETER">data</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the data to compare BN to.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3459"><span style="white-space: nowrap"><code class="PARAMETER">dataSize</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the <code class="PARAMETER">data</code> size.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3465"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> 0 if data is equal, negative value if <code class="PARAMETER">bn</code> is less or positive value if <code class="PARAMETER">bn</code>
is greater than <code class="PARAMETER">data</code>.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNCOMPAREREVERSE"></a><h3>xmlSecBnCompareReverse ()</h3>
<pre class="PROGRAMLISTING"><font>int</font> xmlSecBnCompareReverse (<font>xmlSecBnPtr</font> bn,
const <a href="xmlsec-xmlsec.html#XMLSECBYTE">xmlSecByte</a> *data,
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> dataSize);</pre>
<p>Compares the <code class="PARAMETER">bn</code> with reverse <code class="PARAMETER">data</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3487"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3492"><span style="white-space: nowrap"><code class="PARAMETER">data</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the data to compare BN to.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3497"><span style="white-space: nowrap"><code class="PARAMETER">dataSize</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the <code class="PARAMETER">data</code> size.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3503"><span style="white-space: nowrap"><span class="emphasis"><i class="EMPHASIS">Returns</i></span> :</span></a></td>
<td align="LEFT" valign="TOP"><p> 0 if data is equal, negative value if <code class="PARAMETER">bn</code> is less or positive value if <code class="PARAMETER">bn</code>
is greater than <code class="PARAMETER">data</code>.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNGETNODEVALUE"></a><h3>xmlSecBnGetNodeValue ()</h3>
<pre class="PROGRAMLISTING"><font>int</font> xmlSecBnGetNodeValue (<font>xmlSecBnPtr</font> bn,
<font>xmlNodePtr</font> cur,
<a href="xmlsec-bn.html#XMLSECBNFORMAT">xmlSecBnFormat</a> format,
<font>int</font> reverse);</pre>
<p>Converts the node content from <code class="PARAMETER">format</code> to <code class="PARAMETER">bn</code>.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3526"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3531"><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="AEN3536"><span style="white-space: nowrap"><code class="PARAMETER">format</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the BN format.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3541"><span style="white-space: nowrap"><code class="PARAMETER">reverse</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> if set then reverse read buffer after reading.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3546"><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 and a negative values if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNSETNODEVALUE"></a><h3>xmlSecBnSetNodeValue ()</h3>
<pre class="PROGRAMLISTING"><font>int</font> xmlSecBnSetNodeValue (<font>xmlSecBnPtr</font> bn,
<font>xmlNodePtr</font> cur,
<a href="xmlsec-bn.html#XMLSECBNFORMAT">xmlSecBnFormat</a> format,
<font>int</font> reverse,
<font>int</font> addLineBreaks);</pre>
<p>Converts the <code class="PARAMETER">bn</code> and sets it to node content.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3566"><span style="white-space: nowrap"><code class="PARAMETER">bn</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3571"><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="AEN3576"><span style="white-space: nowrap"><code class="PARAMETER">format</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the BN format.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3581"><span style="white-space: nowrap"><code class="PARAMETER">reverse</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the flag that indicates whether to reverse the buffer before writing.</p></td>
</tr>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3586"><span style="white-space: nowrap"><code class="PARAMETER">addLineBreaks</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the flag; it 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="AEN3591"><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 and a negative values if an error occurs.</p></td>
</tr>
</tbody></table>
</div>
<hr>
<div class="REFSECT2">
<a name="XMLSECBNBLOBSETNODEVALUE"></a><h3>xmlSecBnBlobSetNodeValue ()</h3>
<pre class="PROGRAMLISTING"><font>int</font> xmlSecBnBlobSetNodeValue (const <a href="xmlsec-xmlsec.html#XMLSECBYTE">xmlSecByte</a> *data,
<a href="xmlsec-xmlsec.html#XMLSECSIZE">xmlSecSize</a> dataSize,
<font>xmlNodePtr</font> cur,
<a href="xmlsec-bn.html#XMLSECBNFORMAT">xmlSecBnFormat</a> format,
<font>int</font> reverse,
<font>int</font> addLineBreaks);</pre>
<p>Converts the <code class="PARAMETER">blob</code> and sets it to node content.</p>
<p></p>
<p></p>
<table class="variablelist" border="0" cellspacing="0" cellpadding="4"><tbody>
<tr>
<td align="LEFT" valign="TOP"><a name="AEN3612"><span style="white-space: nowrap"><code class="PARAMETER">data</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the pointer to BN blob.</p></td>
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<td align="LEFT" valign="TOP"><a name="AEN3617"><span style="white-space: nowrap"><code class="PARAMETER">dataSize</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the size of BN blob.</p></td>
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<td align="LEFT" valign="TOP"><a name="AEN3622"><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>
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<td align="LEFT" valign="TOP"><a name="AEN3627"><span style="white-space: nowrap"><code class="PARAMETER">format</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the BN format.</p></td>
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<td align="LEFT" valign="TOP"><a name="AEN3632"><span style="white-space: nowrap"><code class="PARAMETER">reverse</code> :</span></a></td>
<td align="LEFT" valign="TOP"><p> the flag that indicates whether to reverse the buffer before writing.</p></td>
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<td align="LEFT" valign="TOP"><a name="AEN3637"><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>
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<td align="LEFT" valign="TOP"><a name="AEN3642"><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 and a negative values if an error occurs.</p></td>
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</tbody></table>
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