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 <span id="projectnumber">4.2.1</span>
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<div class="title">base64.h File Reference</div> </div>
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<p>Base64 encoding and decoding, headers.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include "<a class="el" href="beecrypt_8h_source.html">beecrypt/beecrypt.h</a>"</code><br/>
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Include dependency graph for base64.h:</div>
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<div class="center"><img src="base64_8h__incl.png" border="0" usemap="#include_2beecrypt_2base64_8h" alt=""/></div>
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<p><a href="base64_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
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Macros</h2></td></tr>
<tr class="memitem:a03c07933ddc4e5433298971545e0cc25"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="base64_8h.html#a03c07933ddc4e5433298971545e0cc25">B64DECODE_WHITESPACE</a>   " \f\n\r\t\v"</td></tr>
<tr class="separator:a03c07933ddc4e5433298971545e0cc25"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af253d2a2aa49c121308c9673b6ad40d3"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="base64_8h.html#af253d2a2aa49c121308c9673b6ad40d3">B64ENCODE_CHARS_PER_LINE</a>   72</td></tr>
<tr class="separator:af253d2a2aa49c121308c9673b6ad40d3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa0f9a215933ac9e105b3e62117736b7d"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="base64_8h.html#aa0f9a215933ac9e105b3e62117736b7d">B64ENCODE_EOLSTR</a>   "\n"</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a6492c5e1dc7b8a53ce420d92f6ad6e67"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="base64_8h.html#a6492c5e1dc7b8a53ce420d92f6ad6e67">b64encode</a> (const void *data, size_t ns)</td></tr>
<tr class="separator:a6492c5e1dc7b8a53ce420d92f6ad6e67"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8420855d61134f07a28a1cf53dc7cafa"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="base64_8h.html#a8420855d61134f07a28a1cf53dc7cafa">b64crc</a> (const unsigned char *data, size_t ns)</td></tr>
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<tr class="memitem:a0b3128126ca31a7187c998e81af1ff52"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="base64_8h.html#a0b3128126ca31a7187c998e81af1ff52">b64decode</a> (const char *s, void **datap, size_t *lenp)</td></tr>
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<tr class="memitem:ab0aa5a4c2d4d8d0321ac167397cac66f"><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="base64_8h.html#ab0aa5a4c2d4d8d0321ac167397cac66f">b64enc</a> (const <a class="el" href="structmemchunk.html">memchunk</a> *)</td></tr>
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<tr class="memitem:a57a00a44d1f660a73edb5ceab221c091"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structmemchunk.html">memchunk</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="base64_8h.html#a57a00a44d1f660a73edb5ceab221c091">b64dec</a> (const char *)</td></tr>
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Variables</h2></td></tr>
<tr class="memitem:aa6cc813df62a79a36d49ccc79283933b"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="base64_8h.html#aa6cc813df62a79a36d49ccc79283933b">b64decode_whitespace</a></td></tr>
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<tr class="memitem:a2a178e7716aa573ae431466be5d88b29"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="base64_8h.html#a2a178e7716aa573ae431466be5d88b29">b64encode_chars_per_line</a></td></tr>
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<tr class="memitem:a4a1b983f10ce83151b0ef69e433f4b62"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="base64_8h.html#a4a1b983f10ce83151b0ef69e433f4b62">b64encode_eolstr</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Base64 encoding and decoding, headers. </p>
<dl class="section author"><dt>Author</dt><dd>Bob Deblier <a href="#" onclick="location.href='mai'+'lto:'+'bob'+'.d'+'ebl'+'ie'+'r@t'+'el'+'ene'+'t.'+'be'; return false;">bob.d<span style="display: none;">.nosp@m.</span>ebli<span style="display: none;">.nosp@m.</span>er@te<span style="display: none;">.nosp@m.</span>lene<span style="display: none;">.nosp@m.</span>t.be</a> </dd></dl>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define B64DECODE_WHITESPACE   " \f\n\r\t\v"</td>
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<td class="memname">#define B64ENCODE_CHARS_PER_LINE   72</td>
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<td class="memname">#define B64ENCODE_EOLSTR   "\n"</td>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">char* b64crc </td>
<td>(</td>
<td class="paramtype">const unsigned char * </td>
<td class="paramname"><em>data</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>ns</em> </td>
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<td></td>
<td>)</td>
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<p>Encode crc of binary input data into 5 bytes of base64 output. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">data</td><td>binary data </td></tr>
<tr><td class="paramname">ns</td><td>no. bytes of binary data </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>(malloc'd) base64 string </dd></dl>
</div>
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<td class="memname"><a class="el" href="structmemchunk.html">memchunk</a>* b64dec </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"></td><td>)</td>
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<td class="memname">int b64decode </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>s</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void ** </td>
<td class="paramname"><em>datap</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t * </td>
<td class="paramname"><em>lenp</em> </td>
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<td>)</td>
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<p>Decode chunks of 4 bytes of base64 input into 3 bytes of binary output. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">s</td><td>base64 string </td></tr>
</table>
</dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
<table class="retval">
<tr><td class="paramname">datap</td><td>address of (malloc'd) binary data </td></tr>
<tr><td class="paramname">lenp</td><td>address of no. bytes of binary data </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, 1: s == NULL, 2: bad length, 3: bad char </dd></dl>
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<td class="memname">char* b64enc </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structmemchunk.html">memchunk</a> * </td>
<td class="paramname"></td><td>)</td>
<td></td>
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<td class="memname">char* b64encode </td>
<td>(</td>
<td class="paramtype">const void * </td>
<td class="paramname"><em>data</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>ns</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
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</div><div class="memdoc">
<p>Encode chunks of 3 bytes of binary input into 4 bytes of base64 output. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">data</td><td>binary data </td></tr>
<tr><td class="paramname">ns</td><td>no. bytes of data (0 uses strlen(data)) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>(malloc'd) base64 string </dd></dl>
</div>
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<h2 class="groupheader">Variable Documentation</h2>
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<td class="memname">const char* b64decode_whitespace</td>
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<p>\ Decode white space character set (default). </p>
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<td class="memname">int b64encode_chars_per_line</td>
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<p>\ Encode 72 characters per line (default). </p>
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<td class="memname">const char* b64encode_eolstr</td>
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<p>\ Encode end-of-line string (default). </p>
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