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 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