--- DigestMD5.php.orig	Fri Feb 10 05:36:11 2006
+++ DigestMD5.php	Fri Feb 10 05:40:04 2006
@@ -174,11 +174,11 @@
     */
     function _getCnonce()
     {
-        if (file_exists('/dev/urandom')) {
-            return base64_encode(fread(fopen('/dev/urandom', 'r'), 32));
+        if (file_exists('/dev/urandom') && $fd = @fopen('/dev/urandom', 'r')) {
+            return base64_encode(fread($fd, 32));
 
-        } elseif (file_exists('/dev/random')) {
-            return base64_encode(fread(fopen('/dev/random', 'r'), 32));
+        } elseif (file_exists('/dev/random') && $fd = @fopen('/dev/random', 'r')) {
+            return base64_encode(fread($fd, 32));
 
         } else {
             $str = '';