1/*
2 * Copyright 2020 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/*
11 * DSA low level APIs are deprecated for public use, but still ok for
12 * internal use.
13 */
14#include "internal/deprecated.h"
15
16#include <openssl/obj_mac.h>
17#include "internal/packet.h"
18#include "prov/der_dsa.h"
19
20#define MD_CASE(name)                                                   \
21    case NID_##name:                                                    \
22        precompiled = ossl_der_oid_id_dsa_with_##name;                  \
23        precompiled_sz = sizeof(ossl_der_oid_id_dsa_with_##name);       \
24        break;
25
26int ossl_DER_w_algorithmIdentifier_DSA_with_MD(WPACKET *pkt, int tag,
27                                               DSA *dsa, int mdnid)
28{
29    const unsigned char *precompiled = NULL;
30    size_t precompiled_sz = 0;
31
32    switch (mdnid) {
33        MD_CASE(sha1);
34        MD_CASE(sha224);
35        MD_CASE(sha256);
36        MD_CASE(sha384);
37        MD_CASE(sha512);
38        MD_CASE(sha3_224);
39        MD_CASE(sha3_256);
40        MD_CASE(sha3_384);
41        MD_CASE(sha3_512);
42    default:
43        return 0;
44    }
45
46    return ossl_DER_w_begin_sequence(pkt, tag)
47        /* No parameters (yet?) */
48        && ossl_DER_w_precompiled(pkt, -1, precompiled, precompiled_sz)
49        && ossl_DER_w_end_sequence(pkt, tag);
50}
51