fixed decrypting

decryptFunc.php

@@ -1,30 +1,21 @@
 <?php
   require "enc.php";
-  $data = $_POST["words"];
+  $words = "<encrypted>".$_POST["words"]."</encrypted>";
+  $data = simplexml_load_string($words) or die("Couldn't make object");
   
   //Get the key
   $key = $_POST["key"];
-  echo "key is $key <br>";
   
   
   //Get the IV
-  preg_match('#(?<=(<iv>))(.*?)(<\/iv>)#', $data, $ivArr);
-  $iv = $ivArr[0];
-  $iv = substr($iv, 0, strlen("</content>"));
-  echo "iv is $iv <br>";
+  $iv = hex2bin($data->iv);
   
   //Get the tag
-  preg_match('#(?<=(<tag>))(.*?)(<\/tag>)#', $data, $tagArr);
-  $tag = bin2hex($tagArr[0]);
-  $tag = substr($tag, 0, strlen("</tag>"));
-  echo "tag is $tag <br>";
+  $tag = hex2bin($data->tag);
   
   //Get the ciphertext
-  preg_match('#(?<=(<content>))(.*?)(<\/content>)#', $data, $ctArr);
-  $ciphertext = $ctArr[0];
-  $ciphertext = substr($ciphertext, 0, strlen("</content>"));
-  echo "text is $ciphertext <br>";
+  $ciphertext = $data->content;
   
-  $content = decrypt($ciphertext, $key, $iv, $tag);
-  echo "content is:<br>"; var_dump($content);
+  echo "<pre>Your decrypted content:<br>";
+  echo decrypt($ciphertext, $key, $iv, $tag);;
 ?>