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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>MD5 Utility Functions</title>
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<th width="100%" align="center">Evolution API Reference: libedataserver, utility library</th>
<td> </td>
</tr>
<tr><td colspan="5" class="shortcuts"><nobr><a href="#id2571140" class="shortcut">Top</a>
 | 
<a href="#id2602180" class="shortcut">Description</a></nobr></td></tr>
</table>
<div class="refentry" lang="en">
<a name="libedataserver-md5-utils"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2>
<a name="id2571140"></a><span class="refentrytitle">MD5 Utility Functions</span>
</h2>
<p>MD5 Utility Functions — Functions for manipulating MD5 checksums.</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<pre class="synopsis">
<a href="libedataserver-md5-utils.html#MD5Context">MD5Context</a>;
void <a href="libedataserver-md5-utils.html#md5-get-digest">md5_get_digest</a> (const <a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"
>gchar</a> *buffer,
<a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> buffer_size,
<a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#guchar"
>guchar</a> digest[16]);
void <a href="libedataserver-md5-utils.html#md5-get-digest-from-file">md5_get_digest_from_file</a> (const <a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"
>gchar</a> *filename,
<a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#guchar"
>guchar</a> digest[16]);
void <a href="libedataserver-md5-utils.html#md5-init">md5_init</a> (<a href="libedataserver-md5-utils.html#MD5Context">MD5Context</a> *ctx);
void <a href="libedataserver-md5-utils.html#md5-update">md5_update</a> (<a href="libedataserver-md5-utils.html#MD5Context">MD5Context</a> *ctx,
const <a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#guchar"
>guchar</a> *buf,
<a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"
>guint32</a> len);
void <a href="libedataserver-md5-utils.html#md5-final">md5_final</a> (<a href="libedataserver-md5-utils.html#MD5Context">MD5Context</a> *ctx,
<a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#guchar"
>guchar</a> digest[16]);
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id2602180"></a><h2>Description</h2>
<p>
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2602196"></a><h2>Details</h2>
<div class="refsect2" lang="en">
<a name="id2602206"></a><h3>
<a name="MD5Context"></a>MD5Context</h3>
<a class="indexterm" name="id2602218"></a><pre class="programlisting">typedef struct {
} MD5Context;
</pre>
<p>
A buffer structure used for md5 calculation.</p>
<p>
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2606997"></a><h3>
<a name="md5-get-digest"></a>md5_get_digest ()</h3>
<a class="indexterm" name="id2607009"></a><pre class="programlisting">void md5_get_digest (const <a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"
>gchar</a> *buffer,
<a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"
>gint</a> buffer_size,
<a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#guchar"
>guchar</a> digest[16]);</pre>
<p>
Get the md5 hash of a buffer. The result is put in
the 16 bytes buffer <em class="parameter"><code>digest</code></em> .</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>buffer</code></em> :</span></td>
<td> byte buffer
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>buffer_size</code></em> :</span></td>
<td> buffer size (in bytes)
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>digest</code></em> :</span></td>
<td> 16 bytes buffer receiving the hash code.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2607108"></a><h3>
<a name="md5-get-digest-from-file"></a>md5_get_digest_from_file ()</h3>
<a class="indexterm" name="id2607119"></a><pre class="programlisting">void md5_get_digest_from_file (const <a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"
>gchar</a> *filename,
<a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#guchar"
>guchar</a> digest[16]);</pre>
<p>
Get the md5 hash of a file. The result is put in
the 16 bytes buffer <em class="parameter"><code>digest</code></em> .</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>filename</code></em> :</span></td>
<td> file name
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>digest</code></em> :</span></td>
<td> 16 bytes buffer receiving the hash code.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2607196"></a><h3>
<a name="md5-init"></a>md5_init ()</h3>
<a class="indexterm" name="id2607208"></a><pre class="programlisting">void md5_init (<a href="libedataserver-md5-utils.html#MD5Context">MD5Context</a> *ctx);</pre>
<p>
Initialise an md5 buffer.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><span class="term"><em class="parameter"><code>ctx</code></em> :</span></td>
<td> md5 context
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2603412"></a><h3>
<a name="md5-update"></a>md5_update ()</h3>
<a class="indexterm" name="id2603424"></a><pre class="programlisting">void md5_update (<a href="libedataserver-md5-utils.html#MD5Context">MD5Context</a> *ctx,
const <a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#guchar"
>guchar</a> *buf,
<a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"
>guint32</a> len);</pre>
<p>
Update context to reflect the concatenation of another buffer full
of bytes. Use this to progressively construct an md5 hash.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>ctx</code></em> :</span></td>
<td> context object used for md5 computaion
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>buf</code></em> :</span></td>
<td> buffer to add
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>len</code></em> :</span></td>
<td> buffer length
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2603518"></a><h3>
<a name="md5-final"></a>md5_final ()</h3>
<a class="indexterm" name="id2603530"></a><pre class="programlisting">void md5_final (<a href="libedataserver-md5-utils.html#MD5Context">MD5Context</a> *ctx,
<a
href="/opt/gnome/share/gtk-doc/html/glib/glib-Basic-Types.html#guchar"
>guchar</a> digest[16]);</pre>
<p>
copy the final md5 hash to a bufer</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>ctx</code></em> :</span></td>
<td> context containing the calculated md5
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>digest</code></em> :</span></td>
<td> 16 bytes buffer
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
</body>
</html>
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