From: Dmitry Timoshkov <dmitry@baikal.ru>
Date: Wed, 4 Sep 2019 03:45:42 +0000 (+0800)
Subject: Make VKO_compute_key public.
X-Git-Tag: v3.0.0~271^2
X-Git-Url: http://wagner.pp.ru/gitweb/?a=commitdiff_plain;h=refs%2Fpull%2F170%2Fhead;p=openssl-gost%2Fengine.git

Make VKO_compute_key public.
---

diff --git a/gost_ec_keyx.c b/gost_ec_keyx.c
index cc94d67..b82c6f1 100644
--- a/gost_ec_keyx.c
+++ b/gost_ec_keyx.c
@@ -18,10 +18,10 @@
 #include "gost_lcl.h"
 
 /* Implementation of CryptoPro VKO 34.10-2001/2012 algorithm */
-static int VKO_compute_key(unsigned char *shared_key,
-                           const EC_POINT *pub_key, const EC_KEY *priv_key,
-                           const unsigned char *ukm, const size_t ukm_size,
-                           const int vko_dgst_nid)
+int VKO_compute_key(unsigned char *shared_key,
+                    const EC_POINT *pub_key, const EC_KEY *priv_key,
+                    const unsigned char *ukm, const size_t ukm_size,
+                    const int vko_dgst_nid)
 {
     unsigned char *databuf = NULL;
     BIGNUM *UKM = NULL, *p = NULL, *order = NULL, *X = NULL, *Y = NULL, *cofactor = NULL;
diff --git a/gost_lcl.h b/gost_lcl.h
index 15ff31e..bb25ce3 100644
--- a/gost_lcl.h
+++ b/gost_lcl.h
@@ -265,6 +265,12 @@ int gost_ec_verify(const unsigned char *dgst, int dgst_len,
                    ECDSA_SIG *sig, EC_KEY *ec);
 int gost_ec_compute_public(EC_KEY *ec);
 
+/* VKO */
+int VKO_compute_key(unsigned char *shared_key,
+                    const EC_POINT *pub_key, const EC_KEY *priv_key,
+                    const unsigned char *ukm, const size_t ukm_size,
+                    const int vko_dgst_nid);
+
 /* KDF TREE */
 int gost_kdftree2012_256(unsigned char *keyout, size_t keyout_len,
                          const unsigned char *key, size_t keylen,