From 83dcc1f4cfe9695bddec55379d3f877de68ef268 Mon Sep 17 00:00:00 2001
From: Tobias Brunner <tobias@strongswan.org>
Date: Thu, 26 Jul 2018 11:47:46 +0200
Subject: [PATCH] ike-sa: Add flag for PPK extension

---
 src/libcharon/sa/ike_sa.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/libcharon/sa/ike_sa.h b/src/libcharon/sa/ike_sa.h
index 316b713ee..ff1b7168c 100644
--- a/src/libcharon/sa/ike_sa.h
+++ b/src/libcharon/sa/ike_sa.h
@@ -156,6 +156,11 @@ enum ike_extension_t {
 	 * IKEv2 Message ID sync, RFC 6311
 	 */
 	EXT_IKE_MESSAGE_ID_SYNC = (1<<14),
+
+	/**
+	 * Postquantum Preshared Keys, draft-ietf-ipsecme-qr-ikev2
+	 */
+	EXT_PPK = (1<<15),
 };
 
 /**