check in v3.8.1 source

crypto/evp/m_sm3.c

@@ -0,0 +1,68 @@
+/*	$OpenBSD: m_sm3.c,v 1.6 2023/07/07 19:37:53 beck Exp $	*/
+/*
+ * Copyright (c) 2018, Ribose Inc
+ *
+ * Permission to use, copy, modify, and/or 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.
+ */
+
+#include <openssl/opensslconf.h>
+
+#ifndef OPENSSL_NO_SM3
+#include <openssl/evp.h>
+#include <openssl/sm3.h>
+
+#ifndef OPENSSL_NO_RSA
+#include <openssl/rsa.h>
+#endif
+
+#include "evp_local.h"
+
+static int
+sm3_init(EVP_MD_CTX *ctx)
+{
+	return SM3_Init(ctx->md_data);
+}
+
+static int
+sm3_update(EVP_MD_CTX *ctx, const void *data, size_t count)
+{
+	return SM3_Update(ctx->md_data, data, count);
+}
+
+static int
+sm3_final(EVP_MD_CTX *ctx, unsigned char *md)
+{
+	return SM3_Final(md, ctx->md_data);
+}
+
+static const EVP_MD sm3_md = {
+	.type = NID_sm3,
+	.pkey_type = NID_sm3WithRSAEncryption,
+	.md_size = SM3_DIGEST_LENGTH,
+	.flags = EVP_MD_FLAG_DIGALGID_ABSENT,
+	.init = sm3_init,
+	.update = sm3_update,
+	.final = sm3_final,
+	.copy = NULL,
+	.cleanup = NULL,
+	.block_size = SM3_CBLOCK,
+	.ctx_size = sizeof(EVP_MD *) + sizeof(SM3_CTX),
+};
+
+const EVP_MD *
+EVP_sm3(void)
+{
+	return &sm3_md;
+}
+
+#endif /* OPENSSL_NO_SM3 */