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#include <openssl/obj_mac.h>
11#include "internal/packet.h"
12#include "prov/der_ec.h"
13
14/* Aliases so we can have a uniform MD_CASE */
15#define ossl_der_oid_id_ecdsa_with_sha1   ossl_der_oid_ecdsa_with_SHA1
16#define ossl_der_oid_id_ecdsa_with_sha224 ossl_der_oid_ecdsa_with_SHA224
17#define ossl_der_oid_id_ecdsa_with_sha256 ossl_der_oid_ecdsa_with_SHA256
18#define ossl_der_oid_id_ecdsa_with_sha384 ossl_der_oid_ecdsa_with_SHA384
19#define ossl_der_oid_id_ecdsa_with_sha512 ossl_der_oid_ecdsa_with_SHA512
20
21#define MD_CASE(name)                                                   \
22    case NID_##name:                                                    \
23        precompiled = ossl_der_oid_id_ecdsa_with_##name;                \
24        precompiled_sz = sizeof(ossl_der_oid_id_ecdsa_with_##name);     \
25        break;
26
27int ossl_DER_w_algorithmIdentifier_ECDSA_with_MD(WPACKET *pkt, int cont,
28                                                 EC_KEY *ec, int mdnid)
29{
30    const unsigned char *precompiled = NULL;
31    size_t precompiled_sz = 0;
32
33    switch (mdnid) {
34        MD_CASE(sha1);
35        MD_CASE(sha224);
36        MD_CASE(sha256);
37        MD_CASE(sha384);
38        MD_CASE(sha512);
39        MD_CASE(sha3_224);
40        MD_CASE(sha3_256);
41        MD_CASE(sha3_384);
42        MD_CASE(sha3_512);
43    default:
44        return 0;
45    }
46
47    return ossl_DER_w_begin_sequence(pkt, cont)
48        /* No parameters (yet?) */
49        && ossl_DER_w_precompiled(pkt, -1, precompiled, precompiled_sz)
50        && ossl_DER_w_end_sequence(pkt, cont);
51}
52