From 3e3cc9d4a79b05501d47615683869dc9e0e685e0 Mon Sep 17 00:00:00 2001
From: Zhi Guan <guanzhi1980@gmail.com>
Date: Wed, 19 Dec 2018 12:09:23 +0800
Subject: [PATCH] Update ec lib

---
 crypto/ec/ec_ameth.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/crypto/ec/ec_ameth.c b/crypto/ec/ec_ameth.c
index 8aeaa21d..a225ee68 100644
--- a/crypto/ec/ec_ameth.c
+++ b/crypto/ec/ec_ameth.c
@@ -499,6 +499,12 @@ static int ec_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
 #endif
 
     case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
+#if !defined(OPENSSL_NO_SM2) && !defined(OPENSSL_NO_SM3)
+        if (EC_KEY_is_sm2p256v1(EVP_PKEY_get0_EC_KEY(pkey))) {
+            *(int *)arg2 = NID_sm3;
+            return 2;
+        }
+#endif
         *(int *)arg2 = NID_sha256;
         return 2;