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- <h1>E:/E/GEAMP/www/openbiz/openbiz/bin/service/cryptService.php</h1> </div>
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- <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <?php
- <a name="l00018"></a><a class="code" href="classcrypt_service.html">00018</a> <span class="keyword">class </span><a class="code" href="classcrypt_service.html">cryptService</a>
- <a name="l00019"></a>00019 {
- <a name="l00020"></a>00020 <span class="keyword">protected</span> $m_DefaultKey ;
- <a name="l00021"></a>00021 <span class="keyword">public</span> $m_Algorithm;
- <a name="l00022"></a>00022 <span class="keyword">public</span> $m_OperationMode;
- <a name="l00023"></a>00023
- <a name="l00030"></a><a class="code" href="classcrypt_service.html#a847d8d60f037d0a016aca7006cf9dec6">00030</a> function <a class="code" href="classcrypt_service.html#a847d8d60f037d0a016aca7006cf9dec6">__construct</a>(&$xmlArr)
- <a name="l00031"></a>00031 {
- <a name="l00032"></a>00032 $this-><a class="code" href="classcrypt_service.html#a1db802d93a9f0badf186a646e1cdb161">readMetadata</a>($xmlArr);
- <a name="l00033"></a>00033 }
- <a name="l00034"></a>00034
- <a name="l00041"></a><a class="code" href="classcrypt_service.html#a1db802d93a9f0badf186a646e1cdb161">00041</a> <span class="keyword">protected</span> function <a class="code" href="classcrypt_service.html#a1db802d93a9f0badf186a646e1cdb161">readMetadata</a>(&$xmlArr)
- <a name="l00042"></a>00042 {
- <a name="l00043"></a>00043 $this->m_DefaultKey = strtolower($xmlArr[<span class="stringliteral">"PLUGINSERVICE"</span>][<span class="stringliteral">"ATTRIBUTES"</span>][<span class="stringliteral">"DEFAULTKEY"</span>]);
- <a name="l00044"></a>00044 $this->m_Algorithm = strtolower($xmlArr[<span class="stringliteral">"PLUGINSERVICE"</span>][<span class="stringliteral">"ATTRIBUTES"</span>][<span class="stringliteral">"ALGORITHM"</span>]);
- <a name="l00045"></a>00045 $this->m_OperationMode = strtolower($xmlArr[<span class="stringliteral">"PLUGINSERVICE"</span>][<span class="stringliteral">"ATTRIBUTES"</span>][<span class="stringliteral">"OPERATIONMODE"</span>]);
- <a name="l00046"></a>00046 }
- <a name="l00047"></a>00047
- <a name="l00048"></a>00048 <span class="keyword">public</span> function encrypt($data, $key=null)
- <a name="l00049"></a>00049 {
- <a name="l00050"></a>00050 <span class="keywordflow">if</span>(!function_exists(<span class="stringliteral">"mcrypt_module_open"</span>))
- <a name="l00051"></a>00051 {
- <a name="l00052"></a>00052 <span class="keywordflow">return</span> $data;
- <a name="l00053"></a>00053 }
- <a name="l00054"></a>00054 <span class="keywordflow">if</span>($key==null){
- <a name="l00055"></a>00055 $key = $this->m_DefaultKey;
- <a name="l00056"></a>00056 }
- <a name="l00057"></a>00057 <span class="keywordflow">if</span>($data==null)
- <a name="l00058"></a>00058 <span class="keywordflow">return</span>;
- <a name="l00059"></a>00059 $td = mcrypt_module_open($this->m_Algorithm, <span class="stringliteral">''</span>, $this->m_OperationMode, <span class="stringliteral">''</span>);
- <a name="l00060"></a>00060 $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
- <a name="l00061"></a>00061 <span class="comment">// $iv ="jixian";</span>
- <a name="l00062"></a>00062 $ks = mcrypt_enc_get_key_size($td);
- <a name="l00063"></a>00063 $keystr = substr(md5($key), 0, $ks);
- <a name="l00064"></a>00064 mcrypt_generic_init($td, $keystr, $iv);
- <a name="l00065"></a>00065 $encrypted = mcrypt_generic($td, $data);
- <a name="l00066"></a>00066 mcrypt_module_close($td);
- <a name="l00067"></a>00067 $hexdata = bin2hex($encrypted);
- <a name="l00068"></a>00068 <span class="keywordflow">return</span> $hexdata;
- <a name="l00069"></a>00069 }
- <a name="l00070"></a>00070
- <a name="l00071"></a>00071 <span class="keyword">public</span> function decrypt($data, $key=null)
- <a name="l00072"></a>00072 {
- <a name="l00073"></a>00073 <span class="keywordflow">if</span>(!function_exists(<span class="stringliteral">"mcrypt_module_open"</span>))
- <a name="l00074"></a>00074 {
- <a name="l00075"></a>00075 <span class="keywordflow">return</span> $data;
- <a name="l00076"></a>00076 }
- <a name="l00077"></a>00077 <span class="keywordflow">if</span>($key==null){
- <a name="l00078"></a>00078 $key = $this->m_DefaultKey;
- <a name="l00079"></a>00079 }
- <a name="l00080"></a>00080 <span class="keywordflow">if</span>($data==null)
- <a name="l00081"></a>00081 <span class="keywordflow">return</span>;
- <a name="l00082"></a>00082 $td = mcrypt_module_open($this->m_Algorithm, <span class="stringliteral">''</span>, $this->m_OperationMode, <span class="stringliteral">''</span>);
- <a name="l00083"></a>00083 $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
- <a name="l00084"></a>00084 $ks = mcrypt_enc_get_key_size($td);
- <a name="l00085"></a>00085 $keystr = substr(md5($key), 0, $ks);
- <a name="l00086"></a>00086 mcrypt_generic_init($td, $keystr, $iv);
- <a name="l00087"></a>00087 $encrypted = pack( <span class="stringliteral">"H*"</span>, $data);
- <a name="l00088"></a>00088 $decrypted = mdecrypt_generic($td, $encrypted);
- <a name="l00089"></a>00089 mcrypt_generic_deinit($td);
- <a name="l00090"></a>00090 mcrypt_module_close($td);
- <a name="l00091"></a>00091 <span class="keywordflow">return</span> trim($decrypted);
- <a name="l00092"></a>00092 }
- <a name="l00093"></a>00093
- <a name="l00094"></a>00094 }
- <a name="l00095"></a>00095
- <a name="l00096"></a>00096 ?>
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