/*

 * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.

 * Copyright 2017 Ribose Inc. All Rights Reserved.

 *

 * Licensed under the OpenSSL license (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

#include "internal/cryptlib.h"

#ifndef OPENSSL_NO_SM3

# include <openssl/evp.h>

# include "internal/evp_int.h"

# include "internal/sm3.h"

static int init(EVP_MD_CTX *ctx)

{

    return sm3_init(EVP_MD_CTX_md_data(ctx));

}

static int update(EVP_MD_CTX *ctx, const void *data, size_t count)

{

    return sm3_update(EVP_MD_CTX_md_data(ctx), data, count);

}

static int final(EVP_MD_CTX *ctx, unsigned char *md)

{

    return sm3_final(md, EVP_MD_CTX_md_data(ctx));

}

static const EVP_MD sm3_md = {

    NID_sm3,

    NID_sm3WithRSAEncryption,

    SM3_DIGEST_LENGTH,

    0,

    init,

    update,

    final,

    NULL,

    NULL,

    SM3_CBLOCK,

    sizeof(EVP_MD *) + sizeof(SM3_CTX),

};

const EVP_MD *EVP_sm3(void)

{

    return &sm3_md;

}

#endif