- the IV wasn't resetting when mcrypt was being used

git-svn-id: http://phpseclib.svn.sourceforge.net/svnroot/phpseclib/trunk@186 21d32557-59b3-4da0-833f-c5933fad653e

phpseclib/Crypt/AES.php

@@ -258,6 +258,24 @@ class Crypt_AES extends Crypt_Rijndael {
         return;
     }
 
+
+    /**
+     * Sets the initialization vector. (optional)
+     *
+     * SetIV is not required when CRYPT_RIJNDAEL_MODE_ECB is being used.  If not explictly set, it'll be assumed
+     * to be all zero's.
+     *
+     * @access public
+     * @param String $iv
+     */
+    function setIV($iv)
+    {
+        parent::setIV($iv);
+        if ( CRYPT_AES_MODE == CRYPT_AES_MODE_MCRYPT ) {
+            $this->changed = true;
+        }
+    }
+
     /**
      * Encrypts a message.
      *

phpseclib/Crypt/Rijndael.php

@@ -550,7 +550,7 @@ class Crypt_Rijndael {
      */
     function setIV($iv)
     {
-        $this->encryptIV = $this->decryptIV = $this->iv = str_pad(substr($iv, 0, $this->block_size), $this->block_size, chr(0));;
+        $this->encryptIV = $this->decryptIV = $this->iv = str_pad(substr($iv, 0, $this->block_size), $this->block_size, chr(0));
     }
 
     /**