Index: fivestar.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/fivestar/fivestar.module,v
retrieving revision 1.13.2.57
diff -u -r1.13.2.57 fivestar.module
--- fivestar.module	10 May 2009 20:20:57 -0000	1.13.2.57
+++ fivestar.module	30 Jun 2009 22:56:37 -0000
@@ -992,17 +992,22 @@
 }
 
 /**
- * Get a private token used to protect links from spoofing - CSRF.
+ * Get a private token used to protect links from CSRF attacks.
  */
-function fivestar_get_token($seed) {
-  return drupal_get_token($seed);
+function fivestar_get_token($value) {
+  global $user;
+
+  // Anonymous users don't get a session ID, which breaks page caching.
+  $session_id = $user->uid ? session_id() : '';
+  $private_key = drupal_get_private_key();
+  return md5($session_id . $value . $private_key);
 }
 
 /**
  * Check to see if a token value matches the specified node.
  */
-function fivestar_check_token($token, $seed) {
-  return drupal_get_token($seed) == $token;
+function fivestar_check_token($token, $value) {
+  return fivestar_get_token($value) == $token;
 }
 
 /**