Index: l10n_client.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/l10n_client/l10n_client.module,v
retrieving revision 1.22
diff -u -r1.22 l10n_client.module
--- l10n_client.module	15 Apr 2009 19:10:13 -0000	1.22
+++ l10n_client.module	9 Jun 2009 16:22:04 -0000
@@ -577,7 +577,7 @@
  */
 function l10n_client_submit_translation($langcode, $source, $translation, $user_key, $user_token) {
   $server_uid = current(split(':', $user_key));
-  $signature = md5($user_key . $langcode . $source . $translation . $user_token);
+  $signature = md5(trim($user_key) . $langcode . $source . $translation . $user_token);
   
   $response = xmlrpc(
     variable_get('l10n_client_server', '') .'/xmlrpc.php',