| 
<?
include "xmlsec.class.php";
 
 $xmlsec = new xmlsec( 'deskey.xml');
 
 if ( !file_exists('deskey.xml') ){
 if ( !$xmlsec->addkey('deskey.bin', 'DES', XMLSEC_DES)  )
 die( $xmlsec->errorMsg );
 }
 
 
 // read input xml file
 $f =  fopen( "data.xml" , 'r') ;
 if ( !$f ){
 echo 'Error open file ';
 exit;
 }
 
 $xmlstr = fread($f, filesize("data.xml"));
 fclose($f);
 
 $doc = domxml_open_mem( $xmlstr );
 
 if ( !$doc )
 {
 echo "Error while parsing the input xml document\n";
 exit;
 }
 
 
 // encrypt data
 $encryptxml = $xmlsec->encrypt($doc , XMLSEC_3DES );
 if ( !$encryptxml  )
 die( $xmlsec->errorMsg  .'<br>'.$xmlsec->cmd);
 
 unset( $doc );
 $doc = domxml_open_mem( $encryptxml );
 if ( !$doc )
 {
 echo "Error while parsing the decrypt document \n";
 exit;
 }
 
 // decrypt data
 $outxml = $xmlsec->decrypt( $doc );
 if ( !$outxml  )
 die( $xmlsec->errorMsg  .'<br>'.$xmlsec->cmd);
 else
 header('Content-type: text/xml');
 
 PRINT  $outxml;
 
 ?>
 |