From d56d9c6b281c09cd37c8fd489d3092d0dc2e1984 Mon Sep 17 00:00:00 2001
From: Dmitry Belyavskiy <beldmit@gmail.com>
Date: Thu, 30 Aug 2018 12:06:25 +0300
Subject: [PATCH] Dealing with new KeyExchange

---
 gost_lcl.h   | 2 ++
 gost_pmeth.c | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/gost_lcl.h b/gost_lcl.h
index f63f23c..7871eb8 100644
--- a/gost_lcl.h
+++ b/gost_lcl.h
@@ -69,7 +69,9 @@ struct gost_pmeth_data {
                                  * filled */
     EVP_MD *md;
     unsigned char *shared_ukm;
+    size_t shared_ukm_size; /* XXX temporary use shared_ukm and hash for 2018 CKE*/
     int peer_key_used;
+    int cipher_nid; /* KExp15/KImp15 algs*/
 };
 
 struct gost_mac_pmeth_data {
diff --git a/gost_pmeth.c b/gost_pmeth.c
index 69080bd..92c7bca 100644
--- a/gost_pmeth.c
+++ b/gost_pmeth.c
@@ -151,6 +151,10 @@ static int pkey_gost_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
             return 0;
         }
         memcpy(pctx->shared_ukm, p2, (int)p1);
+        pctx->shared_ukm_size = p1;
+        return 1;
+    case EVP_PKEY_CTRL_CIPHER:
+        pctx->cipher_nid = p1;
         return 1;
     case EVP_PKEY_CTRL_PEER_KEY:
         if (p1 == 0 || p1 == 1) /* call from EVP_PKEY_derive_set_peer */
-- 
2.39.5