/*

 * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the Apache License 2.0 (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 <openssl/obj_mac.h>

#include "internal/packet.h"

#include "prov/der_sm2.h"

/* Aliases so we can have a uniform MD_CASE */

#define ossl_der_oid_id_sm2_with_sm3 ossl_der_oid_sm2_with_SM3

#define MD_CASE(name)                                             \

    case NID_##name:                                              \

        precompiled = ossl_der_oid_id_sm2_with_##name;            \

        precompiled_sz = sizeof(ossl_der_oid_id_sm2_with_##name); \

        break;

int ossl_DER_w_algorithmIdentifier_SM2_with_MD(WPACKET *pkt, int cont,

    EC_KEY *ec, int mdnid)

{

    const unsigned char *precompiled = NULL;

    size_t precompiled_sz = 0;

    switch (mdnid) {

        MD_CASE(sm3);

    default:

        return 0;

    }

    return ossl_DER_w_begin_sequence(pkt, cont)

        /* No parameters (yet?) */

        && ossl_DER_w_precompiled(pkt, -1, precompiled, precompiled_sz)

        && ossl_DER_w_end_sequence(pkt, cont);

}