--- a/src/c/openid.c	Sun Jun 12 18:12:47 2011 -0400
+++ b/src/c/openid.c	Sat Jul 02 20:34:26 2011 +0100
@@ -569,6 +569,14 @@
   return base64(ctx, bufO, len1);
 }
 
+uw_Basis_bool __attribute__((optimize(0))) uw_OpenidFfi_secCmp(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
+  int i, x = 0, len1 = strlen(s1);
+  if (len1 != strlen(s2)) return 0;
+  for (i = 0; i < len1; ++i)
+	  x |= s1[i] ^ s2[i];
+  return x == 0;
+}
+
 uw_OpenidFfi_inputs uw_OpenidFfi_remode(uw_context ctx, uw_OpenidFfi_outputs out, uw_Basis_string mode) {
   uw_OpenidFfi_inputs in = uw_OpenidFfi_createInputs(ctx);
   char *s;