diff --git a/include/ossl_random.hpp b/include/ossl_random.hpp
index 0a92e37..70e5ed0 100644
--- a/include/ossl_random.hpp
+++ b/include/ossl_random.hpp
@@ -39,4 +39,10 @@
 
 std::string getRandomIdOfLength(size_t length);
 
+bool constantTimeStringCompare(std::string_view a, std::string_view b);
+struct ConstantTimeCompare
+{
+    bool operator()(std::string_view a, std::string_view b) const;
+};
+
 } // namespace bmcweb