Provide API to check if integrity algorithm is enabled for the session.

Change-Id: I6d57b5d964c9cbcf361ab97667fb43ae7fe03b6f
Signed-off-by: Tom Joseph <tomjoseph@in.ibm.com>
diff --git a/session.hpp b/session.hpp
index 99bb81d..553f992 100644
--- a/session.hpp
+++ b/session.hpp
@@ -173,6 +173,15 @@
             integrityAlgoInterface = std::move(integrityAlgo);
         }
 
+        /** @brief Check if integrity algorithm is enabled for this session.
+         *
+         *  @return true if integrity algorithm is enabled else false.
+         */
+        auto isIntegrityAlgoEnabled()
+        {
+            return integrityAlgoInterface ? true : false;
+        }
+
         /*
          * @brief Get Session's Confidentiality Algorithm
          *