xref: /openssl/providers/common/der/der_ec_sig.c (revision 01290306)
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 
ossl_DER_w_algorithmIdentifier_ECDSA_with_MD(WPACKET * pkt,int cont,EC_KEY * ec,int mdnid)27 int 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