1 /*
2 * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #include <openssl/obj_mac.h>
11 #include "internal/packet.h"
12 #include "prov/der_sm2.h"
13
14 /* Aliases so we can have a uniform MD_CASE */
15 #define ossl_der_oid_id_sm2_with_sm3 ossl_der_oid_sm2_with_SM3
16
17 #define MD_CASE(name) \
18 case NID_##name: \
19 precompiled = ossl_der_oid_id_sm2_with_##name; \
20 precompiled_sz = sizeof(ossl_der_oid_id_sm2_with_##name); \
21 break;
22
ossl_DER_w_algorithmIdentifier_SM2_with_MD(WPACKET * pkt,int cont,EC_KEY * ec,int mdnid)23 int ossl_DER_w_algorithmIdentifier_SM2_with_MD(WPACKET *pkt, int cont,
24 EC_KEY *ec, int mdnid)
25 {
26 const unsigned char *precompiled = NULL;
27 size_t precompiled_sz = 0;
28
29 switch (mdnid) {
30 MD_CASE(sm3);
31 default:
32 return 0;
33 }
34
35 return ossl_DER_w_begin_sequence(pkt, cont)
36 /* No parameters (yet?) */
37 && ossl_DER_w_precompiled(pkt, -1, precompiled, precompiled_sz)
38 && ossl_DER_w_end_sequence(pkt, cont);
39 }
40