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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
<title>XML-Security-C: OpenSSLCryptoBase64 Class Reference</title>
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<h1>OpenSSLCryptoBase64 Class Reference<br>
<small>
[<a class="el" href="group__opensslcrypto.html">OpenSSL Interface</a>]</small>
</h1><code>#include &lt;<a class="el" href="OpenSSLCryptoBase64_8hpp-source.html">OpenSSLCryptoBase64.hpp</a>&gt;</code>
<p>
Inheritance diagram for OpenSSLCryptoBase64:<p><center><img src="classOpenSSLCryptoBase64__inherit__graph.png" border="0" usemap="#OpenSSLCryptoBase64__inherit__map" alt="Inheritance graph"></center>
<map name="OpenSSLCryptoBase64__inherit__map">
<area href="classXSECCryptoBase64.html" shape="rect" coords="17,9,161,33" alt="">
</map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for OpenSSLCryptoBase64:<p><center><img src="classOpenSSLCryptoBase64__coll__graph.png" border="0" usemap="#OpenSSLCryptoBase64__coll__map" alt="Collaboration graph"></center>
<map name="OpenSSLCryptoBase64__coll__map">
<area href="classXSECCryptoBase64.html" shape="rect" coords="17,9,161,33" alt="">
</map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="classOpenSSLCryptoBase64-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
Base64 encode/decode handler interface class. 
<p>
The XSEC library will use implementations of this interface for translating bytes to/from base64 encoding.<p>
Uses the EVP decode/encode routines in OpenSSL to perform the work.<p>
<dl compact><dt><b>Note:</b></dt><dd>Requires implementation of OpenSSL &gt; 0.9.6e as there was a bug in the Base64 decoding routines in this version and prior. </dd></dl>

<p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenSSLCryptoBase64.html#a0">OpenSSLCryptoBase64</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenSSLCryptoBase64.html#a1">~OpenSSLCryptoBase64</a> ()</td></tr>

<tr><td colspan="2"><div class="groupHeader">Decoding Functions</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenSSLCryptoBase64.html#z77_0">decodeInit</a> (void)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Initialise the base64 object.  <a href="#z77_0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenSSLCryptoBase64.html#z77_1">decode</a> (const unsigned char *inData, unsigned int inLength, unsigned char *outData, unsigned int outLength)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Decode some passed in data.  <a href="#z77_1"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenSSLCryptoBase64.html#z77_2">decodeFinish</a> (unsigned char *outData, unsigned int outLength)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Finish off a decode.  <a href="#z77_2"></a><br></td></tr>
<tr><td colspan="2"><div class="groupHeader">Encoding Functions</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenSSLCryptoBase64.html#z78_0">encodeInit</a> (void)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Initialise the base64 object for encoding.  <a href="#z78_0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenSSLCryptoBase64.html#z78_1">encode</a> (const unsigned char *inData, unsigned int inLength, unsigned char *outData, unsigned int outLength)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Encode some passed in data.  <a href="#z78_1"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenSSLCryptoBase64.html#z78_2">encodeFinish</a> (unsigned char *outData, unsigned int outLength)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Finish off an encode.  <a href="#z78_2"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">Library Specific Functions</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static BIGNUM *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classOpenSSLCryptoBase64.html#z79_0">b642BN</a> (char *b64in, unsigned int len)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Translate a base64 encoded BN to a bignum.  <a href="#z79_0"></a><br></td></tr>
</table>
<hr><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" name="a0" doxytag="OpenSSLCryptoBase64::OpenSSLCryptoBase64"></a><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">OpenSSLCryptoBase64::OpenSSLCryptoBase64           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inline]</code></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
    </td>
  </tr>
</table>
<a class="anchor" name="a1" doxytag="OpenSSLCryptoBase64::~OpenSSLCryptoBase64"></a><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">virtual OpenSSLCryptoBase64::~OpenSSLCryptoBase64           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inline, virtual]</code></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
    </td>
  </tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="z79_0" doxytag="OpenSSLCryptoBase64::b642BN"></a><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">static BIGNUM* OpenSSLCryptoBase64::b642BN           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">char *&nbsp;</td>
          <td class="mdname" nowrap> <em>b64in</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>len</em></td>
        </tr>
        <tr>
          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [static]</code></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Translate a base64 encoded BN to a bignum. 
<p>
Take a ds:CryptoBinary number and translate to an OpenSSL representation of a "big number" BIGNUM.     </td>
  </tr>
</table>
<a class="anchor" name="z77_1" doxytag="OpenSSLCryptoBase64::decode"></a><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">virtual unsigned int OpenSSLCryptoBase64::decode           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const unsigned char *&nbsp;</td>
          <td class="mdname" nowrap> <em>inData</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>inLength</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>unsigned char *&nbsp;</td>
          <td class="mdname" nowrap> <em>outData</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>outLength</em></td>
        </tr>
        <tr>
          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [virtual]</code></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Decode some passed in data. 
<p>
Pass the encoded data through the OpenSSL base64 decode function and place the data in the outData buffer.<p>
<dl compact><dt><b>Note:</b></dt><dd>The OpenSSL library is very unkind if the output buffer is not large enough. It is the responsibility of the caller to ensure the buffer will take the data.</dd></dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>inData</em>&nbsp;</td><td>Pointer to the buffer holding encoded data. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>inLength</em>&nbsp;</td><td>Length of the encoded data in the buffer </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>outData</em>&nbsp;</td><td>Buffer to place decoded data into </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>outLength</em>&nbsp;</td><td>Maximum amount of data that can be placed in the buffer. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>The number of bytes placed in the outData buffer. </dd></dl>

<p>
Implements <a class="el" href="classXSECCryptoBase64.html#z149_1">XSECCryptoBase64</a>.    </td>
  </tr>
</table>
<a class="anchor" name="z77_2" doxytag="OpenSSLCryptoBase64::decodeFinish"></a><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">virtual unsigned int OpenSSLCryptoBase64::decodeFinish           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">unsigned char *&nbsp;</td>
          <td class="mdname" nowrap> <em>outData</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>outLength</em></td>
        </tr>
        <tr>
          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [virtual]</code></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Finish off a decode. 
<p>
Clean out any extra data in the OpenSSL decode context variable into the outData buffer.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>outData</em>&nbsp;</td><td>Buffer to place any remaining decoded data </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>outLength</em>&nbsp;</td><td>Max amount of data to be placed in the buffer. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>Amount of data placed in the outData buffer </dd></dl>

<p>
Implements <a class="el" href="classXSECCryptoBase64.html#z149_2">XSECCryptoBase64</a>.    </td>
  </tr>
</table>
<a class="anchor" name="z77_0" doxytag="OpenSSLCryptoBase64::decodeInit"></a><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">virtual void OpenSSLCryptoBase64::decodeInit           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">void&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [virtual]</code></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Initialise the base64 object. 
<p>
Initialises the OpenSSL decode context and gets ready for data to be decoded. 
<p>
Implements <a class="el" href="classXSECCryptoBase64.html#z149_0">XSECCryptoBase64</a>.    </td>
  </tr>
</table>
<a class="anchor" name="z78_1" doxytag="OpenSSLCryptoBase64::encode"></a><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">virtual unsigned int OpenSSLCryptoBase64::encode           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const unsigned char *&nbsp;</td>
          <td class="mdname" nowrap> <em>inData</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>inLength</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>unsigned char *&nbsp;</td>
          <td class="mdname" nowrap> <em>outData</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>outLength</em></td>
        </tr>
        <tr>
          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [virtual]</code></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Encode some passed in data. 
<p>
Pass the data through the OpenSSL Base64 encoder and place the output in the outData buffer. Will keep any "overhang" data in the context buffer ready for the next pass of input data.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>inData</em>&nbsp;</td><td>Pointer to the buffer holding data to be encoded. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>inLength</em>&nbsp;</td><td>Length of the data in the buffer </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>outData</em>&nbsp;</td><td>Buffer to place encoded data into </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>outLength</em>&nbsp;</td><td>Maximum amount of data that can be placed in the buffer. </td></tr>
  </table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>The number of bytes placed in the outData buffer. </dd></dl>

<p>
Implements <a class="el" href="classXSECCryptoBase64.html#z150_1">XSECCryptoBase64</a>.    </td>
  </tr>
</table>
<a class="anchor" name="z78_2" doxytag="OpenSSLCryptoBase64::encodeFinish"></a><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top">virtual unsigned int OpenSSLCryptoBase64::encodeFinish           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">unsigned char *&nbsp;</td>
          <td class="mdname" nowrap> <em>outData</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>outLength</em></td>
        </tr>
        <tr>
          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [virtual]</code></td>
        </tr>
      </table>
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<p>
Finish off an encode. 
<p>
Take any data left in the context variable, and create the tail of the base64 encoding.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>outData</em>&nbsp;</td><td>Buffer to place any remaining encoded data </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>outLength</em>&nbsp;</td><td>Max amount of data to be placed in the buffer. </td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd>Amount of data placed in the outData buffer </dd></dl>

<p>
Implements <a class="el" href="classXSECCryptoBase64.html#z150_2">XSECCryptoBase64</a>.    </td>
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<a class="anchor" name="z78_0" doxytag="OpenSSLCryptoBase64::encodeInit"></a><p>
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          <td class="md" nowrap valign="top">virtual void OpenSSLCryptoBase64::encodeInit           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">void&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [virtual]</code></td>
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<p>
Initialise the base64 object for encoding. 
<p>
Get the context variable ready for a base64 decode 
<p>
Implements <a class="el" href="classXSECCryptoBase64.html#z150_0">XSECCryptoBase64</a>.    </td>
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="OpenSSLCryptoBase64_8hpp-source.html">OpenSSLCryptoBase64.hpp</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Sun Jul 3 17:41:54 2005 for XML-Security-C by&nbsp;
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.2 </small></address>
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