fix mask

2 files changed, 4 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 3537d9bd..b58a988f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+Thu Feb  1 08:39:50 CET 2018
+        Fix masking operation. -CG/silvioprog
+
 Mon Jan 29 17:33:54 CET 2018
         Fix deadlock when failing to prepare chunked response
         (#5260). -CG/ghaderer
diff --git a/src/microhttpd/digestauth.c b/src/microhttpd/digestauth.c
index 7226becf..f95f4d62 100644
--- a/src/microhttpd/digestauth.c
+++ b/src/microhttpd/digestauth.c
@@ -428,7 +428,7 @@ check_nonce_nc (struct MHD_Connection *connection,
        (0 == ((1LLU << (nn->nc - nc - 1)) & nn->nmask)) )
     {
       /* Out-of-order nonce, but within 64-bit bitmask, set bit */
-      nn->nmask |= (1LLU < (nn->nc - nc - 1));
+      nn->nmask |= (1LLU << (nn->nc - nc - 1));
       MHD_mutex_unlock_chk_ (&daemon->nnc_lock);
       return MHD_YES;
     }