From 02b80488461f13c35fa258e33d0cbff9b6717329 Mon Sep 17 00:00:00 2001
From: "Christoph M. Wintersteiger" <cwinter@microsoft.com>
Date: Thu, 25 Oct 2018 12:41:04 +0100
Subject: [PATCH] ECDH: Add Everest Curve25519 config.h option

---
 include/mbedtls/config.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 877d52e3f9..5443dd2958 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -3576,6 +3576,17 @@
  */
 //#define MBEDTLS_PLATFORM_GMTIME_R_ALT
 
+/*
+ * \def MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED
+ *
+ * Enable the verified implementations of crypto primitives
+ * from Project Everest (currently only Curve25519).
+ * This feature breaks ECDH backward compatibility (see also
+ * MBEDTLS_ECDH_LEGACY_CONTEXT).
+ *
+ */
+#define MBEDTLS_ECDH_VARIANT_EVEREST_ENABLED
+
 /* \} name SECTION: Customisation configuration options */
 
 /* Target and application specific configurations