add sm3 module

crypto/evp/build.info

@@ -12,7 +12,8 @@ SOURCE[../../libcrypto]=\
         evp_pkey.c evp_pbe.c p5_crpt.c p5_crpt2.c scrypt.c \
         e_old.c pmeth_lib.c pmeth_fn.c pmeth_gn.c m_sigver.c \
         e_aes_cbc_hmac_sha1.c e_aes_cbc_hmac_sha256.c e_rc4_hmac_md5.c \
-        e_chacha20_poly1305.c cmeth_lib.c
+        e_chacha20_poly1305.c cmeth_lib.c \
+	m_sm3.c
 
 INCLUDE[e_aes.o]=.. ../modes
 INCLUDE[e_aes_cbc_hmac_sha1.o]=../modes

crypto/evp/c_alld.c

@@ -46,4 +46,7 @@ void openssl_add_all_digests_int(void)
     EVP_add_digest(EVP_blake2b512());
     EVP_add_digest(EVP_blake2s256());
 #endif
+#ifndef OPENSSL_NO_SM3
+    EVP_add_digest(EVP_sm3());
+#endif
 }

crypto/evp/m_sm3.c

@@ -0,0 +1,105 @@
+/* ====================================================================
+ * Copyright (c) 2014 - 2016 The GmSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the GmSSL Project.
+ *    (http://gmssl.org/)"
+ *
+ * 4. The name "GmSSL Project" must not be used to endorse or promote
+ *    products derived from this software without prior written
+ *    permission. For written permission, please contact
+ *    guanzhi1980@gmail.com.
+ *
+ * 5. Products derived from this software may not be called "GmSSL"
+ *    nor may "GmSSL" appear in their names without prior written
+ *    permission of the GmSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the GmSSL Project
+ *    (http://gmssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE GmSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE GmSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ */
+
+#include <stdio.h>
+#include <openssl/evp.h>
+#include <openssl/x509.h>
+#include <openssl/objects.h>
+#include "internal/cryptlib.h"
+#include "internal/evp_int.h"
+
+#ifndef OPENSSL_NO_SM3
+# include <openssl/sm3.h>
+
+static int init(EVP_MD_CTX *ctx)
+{
+	if (!ctx || !EVP_MD_CTX_md_data(ctx)) {
+		return 0;
+	}
+	sm3_init(EVP_MD_CTX_md_data(ctx));
+	return 1;
+}
+
+static int update(EVP_MD_CTX *ctx, const void *in, size_t inlen)
+{
+	if (!ctx || !EVP_MD_CTX_md_data(ctx) || !in) {
+		return 0;
+	}
+	sm3_update(EVP_MD_CTX_md_data(ctx), in, inlen);
+	return 1;
+}
+
+static int final(EVP_MD_CTX *ctx, unsigned char *md)
+{
+	if (!ctx || !EVP_MD_CTX_md_data(ctx) || !md) {
+		return 0;
+	}
+	sm3_final(EVP_MD_CTX_md_data(ctx), md);
+	return 1;
+}
+
+static const EVP_MD sm3_md = {
+	NID_sm3,
+	NID_sm2sign_with_sm3,
+	SM3_DIGEST_LENGTH,
+	0, /* flags */
+	init,
+	update,
+	final,
+	NULL,
+	NULL,
+	SM3_BLOCK_SIZE,
+	sizeof(EVP_MD *) + sizeof(sm3_ctx_t),
+};
+
+const EVP_MD *EVP_sm3(void)
+{
+        return &sm3_md;
+}
+#endif /* OPENSSL_NO_SM3 */