From bb7eed2730befd3605f7b26949b101ee1f793deb Mon Sep 17 00:00:00 2001
From: Uwe Steinmann <steinm@debian.org>
Date: Tue, 3 Sep 2013 08:23:23 +0200
Subject: [PATCH] add two function to encrypt and decrypt a string

not used yet
---
 inc/inc.Utils.php | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/inc/inc.Utils.php b/inc/inc.Utils.php
index fb7b337e9..deb9c4d16 100644
--- a/inc/inc.Utils.php
+++ b/inc/inc.Utils.php
@@ -443,4 +443,21 @@ function checkQuota() { /* {{{ */
 
 	return ($quota - $user->getUsedDiskSpace());
 } /* }}} */
+
+function encryptData($key, $value){
+  $text = $value;
+  $iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
+  $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
+  $crypttext = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $text, MCRYPT_MODE_ECB, $iv);
+  return $crypttext;
+}
+
+function decryptData($key, $value){
+  $crypttext = $value;
+  $iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
+  $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
+  $decrypttext = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, $crypttext, MCRYPT_MODE_ECB, $iv);
+  return trim($decrypttext);
+}
+
 ?>