Hide symbols in sm3

ok tb@ jsing@

3 files changed, 39 insertions, 1 deletions

diff --git a/src/lib/libcrypto/Symbols.namespace b/src/lib/libcrypto/Symbols.namespace
index fbd8757bb0..b62f9db02b 100644
--- a/src/lib/libcrypto/Symbols.namespace
+++ b/src/lib/libcrypto/Symbols.namespace
@@ -1792,3 +1792,6 @@ _libre_lh_node_usage_stats
 _libre_lh_stats_bio
 _libre_lh_node_stats_bio
 _libre_lh_node_usage_stats_bio
+_libre_SM3_Init
+_libre_SM3_Update
+_libre_SM3_Final
diff --git a/src/lib/libcrypto/hidden/openssl/sm3.h b/src/lib/libcrypto/hidden/openssl/sm3.h
new file mode 100644
index 0000000000..12a0e1ad1a
--- /dev/null
+++ b/src/lib/libcrypto/hidden/openssl/sm3.h
@@ -0,0 +1,32 @@
+/* $OpenBSD: sm3.h,v 1.3 2023/07/08 06:13:08 beck Exp $ */
+/*
+ * Copyright (c) 2023 Bob Beck <beck@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _LIBCRYPTO_SM3_H
+#define _LIBCRYPTO_SM3_H
+
+#ifndef _MSC_VER
+#include_next <openssl/sm3.h>
+#else
+#include "../include/openssl/sm3.h"
+#endif
+#include "crypto_namespace.h"
+
+LCRYPTO_USED(SM3_Init);
+LCRYPTO_USED(SM3_Update);
+LCRYPTO_USED(SM3_Final);
+
+#endif /* _LIBCRYPTO_SM3_H */
diff --git a/src/lib/libcrypto/sm3/sm3.c b/src/lib/libcrypto/sm3/sm3.c
index df4a4e8229..a787006434 100644
--- a/src/lib/libcrypto/sm3/sm3.c
+++ b/src/lib/libcrypto/sm3/sm3.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: sm3.c,v 1.4 2023/07/07 19:37:54 beck Exp $    */
+/*      $OpenBSD: sm3.c,v 1.5 2023/07/08 06:13:08 beck Exp $    */
 /*
  * Copyright (c) 2018, Ribose Inc
  *
@@ -20,6 +20,8 @@
 #include <openssl/sm3.h>
 
 #include "sm3_local.h"
+LCRYPTO_ALIAS(SM3_Update);
+LCRYPTO_ALIAS(SM3_Final);
 
 int
 SM3_Init(SM3_CTX *c)
@@ -35,6 +37,7 @@ SM3_Init(SM3_CTX *c)
         c->H = SM3_H;
         return 1;
 }
+LCRYPTO_ALIAS(SM3_Init);
 
 void
 SM3_block_data_order(SM3_CTX *ctx, const void *p, size_t num)