xref: /freebsd-src/crypto/openssl/providers/common/der/der_sm2_sig.c (revision b077aed33b7b6aefca7b17ddb250cf521f938613)
1*b077aed3SPierre Pronchery /*
2*b077aed3SPierre Pronchery  * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
3*b077aed3SPierre Pronchery  *
4*b077aed3SPierre Pronchery  * Licensed under the Apache License 2.0 (the "License").  You may not use
5*b077aed3SPierre Pronchery  * this file except in compliance with the License.  You can obtain a copy
6*b077aed3SPierre Pronchery  * in the file LICENSE in the source distribution or at
7*b077aed3SPierre Pronchery  * https://www.openssl.org/source/license.html
8*b077aed3SPierre Pronchery  */
9*b077aed3SPierre Pronchery 
10*b077aed3SPierre Pronchery #include <openssl/obj_mac.h>
11*b077aed3SPierre Pronchery #include "internal/packet.h"
12*b077aed3SPierre Pronchery #include "prov/der_sm2.h"
13*b077aed3SPierre Pronchery 
14*b077aed3SPierre Pronchery /* Aliases so we can have a uniform MD_CASE */
15*b077aed3SPierre Pronchery #define ossl_der_oid_id_sm2_with_sm3   ossl_der_oid_sm2_with_SM3
16*b077aed3SPierre Pronchery 
17*b077aed3SPierre Pronchery #define MD_CASE(name)                                                   \
18*b077aed3SPierre Pronchery     case NID_##name:                                                    \
19*b077aed3SPierre Pronchery         precompiled = ossl_der_oid_id_sm2_with_##name;                  \
20*b077aed3SPierre Pronchery         precompiled_sz = sizeof(ossl_der_oid_id_sm2_with_##name);       \
21*b077aed3SPierre Pronchery         break;
22*b077aed3SPierre Pronchery 
ossl_DER_w_algorithmIdentifier_SM2_with_MD(WPACKET * pkt,int cont,EC_KEY * ec,int mdnid)23*b077aed3SPierre Pronchery int ossl_DER_w_algorithmIdentifier_SM2_with_MD(WPACKET *pkt, int cont,
24*b077aed3SPierre Pronchery                                                EC_KEY *ec, int mdnid)
25*b077aed3SPierre Pronchery {
26*b077aed3SPierre Pronchery     const unsigned char *precompiled = NULL;
27*b077aed3SPierre Pronchery     size_t precompiled_sz = 0;
28*b077aed3SPierre Pronchery 
29*b077aed3SPierre Pronchery     switch (mdnid) {
30*b077aed3SPierre Pronchery         MD_CASE(sm3);
31*b077aed3SPierre Pronchery     default:
32*b077aed3SPierre Pronchery         return 0;
33*b077aed3SPierre Pronchery     }
34*b077aed3SPierre Pronchery 
35*b077aed3SPierre Pronchery     return ossl_DER_w_begin_sequence(pkt, cont)
36*b077aed3SPierre Pronchery         /* No parameters (yet?) */
37*b077aed3SPierre Pronchery         && ossl_DER_w_precompiled(pkt, -1, precompiled, precompiled_sz)
38*b077aed3SPierre Pronchery         && ossl_DER_w_end_sequence(pkt, cont);
39*b077aed3SPierre Pronchery }
40