Add RSA SHA512 truncated digest support
[openssl.git] / providers / common / der / der_ec.c.in
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/bn.h>
11 #include <openssl/obj_mac.h>
12 #include "prov/der_ec.h"
13
14 /* Well known OIDs precompiled */
15 {-
16     $OUT = oids_to_c::process_leaves('providers/common/der/EC.asn1',
17                                      { dir => $config{sourcedir},
18                                        filter => \&oids_to_c::filter_to_C });
19 -}
20
21 int DER_w_algorithmIdentifier_EC(WPACKET *pkt, int cont, EC_KEY *ec)
22 {
23     return DER_w_begin_sequence(pkt, cont)
24         /* No parameters (yet?) */
25         && DER_w_precompiled(pkt, -1, der_oid_id_ecPublicKey,
26                              sizeof(der_oid_id_ecPublicKey))
27         && DER_w_end_sequence(pkt, cont);
28 }
29
30 /* Aliases so we can have a uniform MD_CASE */
31 #define der_oid_id_ecdsa_with_sha1   der_oid_ecdsa_with_SHA1
32 #define der_oid_id_ecdsa_with_sha224 der_oid_ecdsa_with_SHA224
33 #define der_oid_id_ecdsa_with_sha256 der_oid_ecdsa_with_SHA256
34 #define der_oid_id_ecdsa_with_sha384 der_oid_ecdsa_with_SHA384
35 #define der_oid_id_ecdsa_with_sha512 der_oid_ecdsa_with_SHA512
36
37 #define MD_CASE(name)                                                   \
38     case NID_##name:                                                    \
39         precompiled = der_oid_id_ecdsa_with_##name;                     \
40         precompiled_sz = sizeof(der_oid_id_ecdsa_with_##name);          \
41         break;
42
43 int DER_w_algorithmIdentifier_ECDSA_with(WPACKET *pkt, int cont,
44                                          EC_KEY *ec, int mdnid)
45 {
46     const unsigned char *precompiled = NULL;
47     size_t precompiled_sz = 0;
48
49     switch (mdnid) {
50         MD_CASE(sha1);
51         MD_CASE(sha224);
52         MD_CASE(sha256);
53         MD_CASE(sha384);
54         MD_CASE(sha512);
55         MD_CASE(sha3_224);
56         MD_CASE(sha3_256);
57         MD_CASE(sha3_384);
58         MD_CASE(sha3_512);
59     default:
60         return 0;
61     }
62
63     return DER_w_begin_sequence(pkt, cont)
64         /* No parameters (yet?) */
65         && DER_w_precompiled(pkt, -1, precompiled, precompiled_sz)
66         && DER_w_end_sequence(pkt, cont);
67 }