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<!-- doxytag: class="KMD4" -->
<p>An adapted C++ implementation of the MD4 Message-Digest algorithm.
<a href="classKMD4.html#details">More...</a></p>
<p><code>#include <<a class="el" href="kmdcodec_8h_source.html">kmdcodec.h</a>></code></p>
<p><a href="classKMD4-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a44b0e8ed7d61366e608ddaf85c8022f5"></a><!-- doxytag: member="KMD4::Digest" ref="a44b0e8ed7d61366e608ddaf85c8022f5" args="[16]" -->
typedef unsigned char </td><td class="memItemRight" valign="bottom"><b>Digest</b> [16]</td></tr>
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#a447bbeb0aa678bae78eced2f35eca832">KMD4</a> (const char *in, int len=-1)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#a0c3d55770ab8526d92de05043ebf2469">KMD4</a> (const <a class="elRef" href="qbytearray.html">QByteArray</a> &a)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#ac772e9736ae63d7f8745157abd38ee2b">KMD4</a> (const <a class="elRef" href="qcstring.html">QCString</a> &a)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#adb09817a740c4093b18c88168c0c766c">update</a> (const char *in, int len=-1)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#a51e5f3dc0950e8a0608a8ca0e5990b9f">update</a> (const unsigned char *in, int len=-1)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#aee2ff8dce328c643031c44503b0b2232">update</a> (const <a class="elRef" href="qbytearray.html">QByteArray</a> &in)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#ad1279c01faa8e9abf52d2c1ca9e73dde">update</a> (const <a class="elRef" href="qcstring.html">QCString</a> &in)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#ae23df3297c982598c93bd3d5453c8335">update</a> (<a class="elRef" href="qiodevice.html">QIODevice</a> &file)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#a70913a6b6dc6a65cc296869eccc7dda6">reset</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const Digest & </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#a4df7699eba4964b3c28e5f95aa526588">rawDigest</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#aeb4b8b41ca8596e3195a08a422fd15d3">rawDigest</a> (KMD4::Digest &bin)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="qcstring.html">QCString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#ad74df6017e683d75b7eb1536f8666dbb">hexDigest</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#a40be2515f651b3859883d6d7ab451a53">hexDigest</a> (<a class="elRef" href="qcstring.html">QCString</a> &)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="elRef" href="qcstring.html">QCString</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#acc2ee6544c820d91f52ac6d1fcba594f">base64Digest</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#a73cf0bf616f70ab3c6c7d0564c811930">verify</a> (const KMD4::Digest &digest)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#a8a39a86b6ef0111a1dd0f6fbae332fcd">verify</a> (const <a class="elRef" href="qcstring.html">QCString</a> &)</td></tr>
<tr><td colspan="2"><h2><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#a6449ac0b8c49b0d3957d1213d5d137a5">transform</a> (Q_UINT32 buf[4], Q_UINT32 const in[16])</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classKMD4.html#a16fcd720a804e8c78becf12c37a709e6">finalize</a> ()</td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>An adapted C++ implementation of the MD4 Message-Digest algorithm. </p>
<dl class="since"><dt><b>Since:</b></dt><dd>3.4</dd></dl>
<p>The class usage is the same as <a class="el" href="classKMD5.html" title="An adapted C++ implementation of RSA Data Securities MD5 algorithm.">KMD5</a>. </p>
<p>Definition at line <a class="el" href="kmdcodec_8h_source.html#l00577">577</a> of file <a class="el" href="kmdcodec_8h_source.html">kmdcodec.h</a>.</p>
</div><hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a447bbeb0aa678bae78eced2f35eca832"></a><!-- doxytag: member="KMD4::KMD4" ref="a447bbeb0aa678bae78eced2f35eca832" args="(const char *in, int len=-1)" -->
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<td class="memname">KMD4::KMD4 </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>in</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>len</em> = <code>-1</code> </td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Constructor that updates the digest for the given string. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">in</td><td>C string or binary data </td></tr>
<tr><td class="paramname">len</td><td>if negative, calculates the length by using strlen on the first parameter, otherwise it trusts the given length (does not stop on NUL byte). </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01148">1148</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
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<a class="anchor" id="a0c3d55770ab8526d92de05043ebf2469"></a><!-- doxytag: member="KMD4::KMD4" ref="a0c3d55770ab8526d92de05043ebf2469" args="(const QByteArray &a)" -->
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<td class="memname">KMD4::KMD4 </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" href="qbytearray.html">QByteArray</a> & </td>
<td class="paramname"><em>a</em></td><td>)</td>
<td></td>
</tr>
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<div class="memdoc">
<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. Same as above except it accepts a <a class="elRef" href="qbytearray.html">QByteArray</a> as its argument. </p>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01154">1154</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
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</div>
<a class="anchor" id="ac772e9736ae63d7f8745157abd38ee2b"></a><!-- doxytag: member="KMD4::KMD4" ref="ac772e9736ae63d7f8745157abd38ee2b" args="(const QCString &a)" -->
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<td class="memname">KMD4::KMD4 </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" href="qcstring.html">QCString</a> & </td>
<td class="paramname"><em>a</em></td><td>)</td>
<td></td>
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</div>
<div class="memdoc">
<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. Same as above except it accepts a <a class="elRef" href="qcstring.html">QCString</a> as its argument. </p>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01160">1160</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="acc2ee6544c820d91f52ac6d1fcba594f"></a><!-- doxytag: member="KMD4::base64Digest" ref="acc2ee6544c820d91f52ac6d1fcba594f" args="()" -->
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<td class="memname"><a class="elRef" href="qcstring.html">QCString</a> KMD4::base64Digest </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<div class="memdoc">
<p>Returns the value of the calculated message digest in a base64-encoded representation. </p>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01347">1347</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
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</div>
<a class="anchor" id="a16fcd720a804e8c78becf12c37a709e6"></a><!-- doxytag: member="KMD4::finalize" ref="a16fcd720a804e8c78becf12c37a709e6" args="()" -->
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<td class="memname">void KMD4::finalize </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [protected]</code></td>
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<div class="memdoc">
<p>finalizes the digest </p>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01253">1253</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
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</div>
<a class="anchor" id="ad74df6017e683d75b7eb1536f8666dbb"></a><!-- doxytag: member="KMD4::hexDigest" ref="ad74df6017e683d75b7eb1536f8666dbb" args="()" -->
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<td class="memname"><a class="elRef" href="qcstring.html">QCString</a> KMD4::hexDigest </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>Returns the value of the calculated message digest in a hexadecimal representation. </p>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01324">1324</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
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</div>
<a class="anchor" id="a40be2515f651b3859883d6d7ab451a53"></a><!-- doxytag: member="KMD4::hexDigest" ref="a40be2515f651b3859883d6d7ab451a53" args="(QCString &)" -->
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<td class="memname">void KMD4::hexDigest </td>
<td>(</td>
<td class="paramtype"><a class="elRef" href="qcstring.html">QCString</a> & </td>
<td class="paramname"><em>s</em></td><td>)</td>
<td></td>
</tr>
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<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01337">1337</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
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<a class="anchor" id="aeb4b8b41ca8596e3195a08a422fd15d3"></a><!-- doxytag: member="KMD4::rawDigest" ref="aeb4b8b41ca8596e3195a08a422fd15d3" args="(KMD4::Digest &bin)" -->
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<td class="memname">void KMD4::rawDigest </td>
<td>(</td>
<td class="paramtype">KMD4::Digest & </td>
<td class="paramname"><em>bin</em></td><td>)</td>
<td></td>
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<p>Fills the given array with the binary representation of the message digest. </p>
<p>Use this method if you do not want to worry about making copy of the digest once you obtain it.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">bin</td><td>an array of 16 characters ( char[16] ) </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01318">1318</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
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<a class="anchor" id="a4df7699eba4964b3c28e5f95aa526588"></a><!-- doxytag: member="KMD4::rawDigest" ref="a4df7699eba4964b3c28e5f95aa526588" args="()" -->
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<td class="memname">const KMD4::Digest & KMD4::rawDigest </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
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<dl class="return"><dt><b>Returns:</b></dt><dd>the raw representation of the digest </dd></dl>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01312">1312</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
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<a class="anchor" id="a70913a6b6dc6a65cc296869eccc7dda6"></a><!-- doxytag: member="KMD4::reset" ref="a70913a6b6dc6a65cc296869eccc7dda6" args="()" -->
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<td class="memname">void KMD4::reset </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<p>Calling this function will reset the calculated message digest. </p>
<p>Use this method to perform another message digest calculation without recreating the <a class="el" href="classKMD4.html" title="An adapted C++ implementation of the MD4 Message-Digest algorithm.">KMD4</a> object. </p>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01367">1367</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
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<a class="anchor" id="a6449ac0b8c49b0d3957d1213d5d137a5"></a><!-- doxytag: member="KMD4::transform" ref="a6449ac0b8c49b0d3957d1213d5d137a5" args="(Q_UINT32 buf[4], Q_UINT32 const in[16])" -->
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<td class="memname">void KMD4::transform </td>
<td>(</td>
<td class="paramtype">Q_UINT32 </td>
<td class="paramname"><em>buf</em>[4], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">Q_UINT32 const </td>
<td class="paramname"><em>in</em>[16] </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [protected]</code></td>
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<p>Performs the real update work. </p>
<p>Note that length is implied to be 64. </p>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01445">1445</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
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<a class="anchor" id="adb09817a740c4093b18c88168c0c766c"></a><!-- doxytag: member="KMD4::update" ref="adb09817a740c4093b18c88168c0c766c" args="(const char *in, int len=-1)" -->
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<td class="memname">void KMD4::update </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>in</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>len</em> = <code>-1</code> </td>
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<td></td>
<td>)</td>
<td></td><td><code> [inline]</code></td>
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<p>Updates the message to be digested. </p>
<p>Be sure to add all data before you read the digest. After reading the digest, you can <b>not</b> add more data!</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">in</td><td>message to be added to digest </td></tr>
<tr><td class="paramname">len</td><td>the length of the given message. </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="kmdcodec_8h_source.html#l00617">617</a> of file <a class="el" href="kmdcodec_8h_source.html">kmdcodec.h</a>.</p>
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<a class="anchor" id="ad1279c01faa8e9abf52d2c1ca9e73dde"></a><!-- doxytag: member="KMD4::update" ref="ad1279c01faa8e9abf52d2c1ca9e73dde" args="(const QCString &in)" -->
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<td class="memname">void KMD4::update </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" href="qcstring.html">QCString</a> & </td>
<td class="paramname"><em>in</em></td><td>)</td>
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<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">in</td><td>message to be added to the digest (<a class="elRef" href="qcstring.html">QCString</a>). </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01171">1171</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
</div>
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<a class="anchor" id="aee2ff8dce328c643031c44503b0b2232"></a><!-- doxytag: member="KMD4::update" ref="aee2ff8dce328c643031c44503b0b2232" args="(const QByteArray &in)" -->
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<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void KMD4::update </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" href="qbytearray.html">QByteArray</a> & </td>
<td class="paramname"><em>in</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">in</td><td>message to be added to the digest (<a class="elRef" href="qbytearray.html">QByteArray</a>). </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01166">1166</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
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<a class="anchor" id="ae23df3297c982598c93bd3d5453c8335"></a><!-- doxytag: member="KMD4::update" ref="ae23df3297c982598c93bd3d5453c8335" args="(QIODevice &file)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">bool KMD4::update </td>
<td>(</td>
<td class="paramtype"><a class="elRef" href="qiodevice.html">QIODevice</a> & </td>
<td class="paramname"><em>file</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. reads the data from an I/O device, i.e. </p>
<p>from a file (<a class="elRef" href="qfile.html">QFile</a>).</p>
<p>NOTE that the file must be open for reading.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">file</td><td>a pointer to FILE as returned by calls like f{d,re}open</td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>false if an error occurred during reading. </dd></dl>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01238">1238</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
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</div>
<a class="anchor" id="a51e5f3dc0950e8a0608a8ca0e5990b9f"></a><!-- doxytag: member="KMD4::update" ref="a51e5f3dc0950e8a0608a8ca0e5990b9f" args="(const unsigned char *in, int len=-1)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void KMD4::update </td>
<td>(</td>
<td class="paramtype">const unsigned char * </td>
<td class="paramname"><em>in</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>len</em> = <code>-1</code> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01180">1180</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a8a39a86b6ef0111a1dd0f6fbae332fcd"></a><!-- doxytag: member="KMD4::verify" ref="a8a39a86b6ef0111a1dd0f6fbae332fcd" args="(const QCString &)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">bool KMD4::verify </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" href="qcstring.html">QCString</a> & </td>
<td class="paramname"><em>hexdigest</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. </p>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01306">1306</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
</div>
</div>
<a class="anchor" id="a73cf0bf616f70ab3c6c7d0564c811930"></a><!-- doxytag: member="KMD4::verify" ref="a73cf0bf616f70ab3c6c7d0564c811930" args="(const KMD4::Digest &digest)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">bool KMD4::verify </td>
<td>(</td>
<td class="paramtype">const KMD4::Digest & </td>
<td class="paramname"><em>digest</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>returns true if the calculated digest for the given message matches the given one. </p>
<p>Definition at line <a class="el" href="kmdcodec_8cpp_source.html#l01300">1300</a> of file <a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="kmdcodec_8h_source.html">kmdcodec.h</a></li>
<li><a class="el" href="kmdcodec_8cpp_source.html">kmdcodec.cpp</a></li>
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