Merge pull request #293 from Lastique/patch-1

Fix incorrect result of rdb_increment on overflow
cisco · May 2, 2017 · fffad9f · fffad9f
2 parents 6cae683 + f2ae5c3
commit fffad9f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/crypto/replay/rdb.c b/crypto/replay/rdb.c
@@ -130,8 +130,9 @@ rdb_add_index(rdb_t *rdb, uint32_t p_index) {
 err_status_t
 rdb_increment(rdb_t *rdb) {
 
-  if (rdb->window_start++ > 0x7fffffff)
+  if (rdb->window_start >= 0x7fffffff)
     return err_status_key_expired;
+  ++rdb->window_start;
   return err_status_ok;
 }