1 /*
2 * Copyright 2025 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 <openssl/objects.h>
12 #include "internal/packet.h"
13 #include "prov/der_slh_dsa.h"
14
15 #define CASE_OID(nid, name) \
16 case nid: \
17 alg = ossl_der_oid_##name; \
18 len = sizeof(ossl_der_oid_##name); \
19 break
20
ossl_DER_w_algorithmIdentifier_SLH_DSA(WPACKET * pkt,int tag,SLH_DSA_KEY * key)21 int ossl_DER_w_algorithmIdentifier_SLH_DSA(WPACKET *pkt, int tag, SLH_DSA_KEY *key)
22 {
23 const uint8_t *alg;
24 size_t len;
25 int nid = ossl_slh_dsa_key_get_type(key);
26
27 switch (nid) {
28 CASE_OID(NID_SLH_DSA_SHA2_128s, id_slh_dsa_sha2_128s);
29 CASE_OID(NID_SLH_DSA_SHA2_128f, id_slh_dsa_sha2_128f);
30 CASE_OID(NID_SLH_DSA_SHA2_192s, id_slh_dsa_sha2_192s);
31 CASE_OID(NID_SLH_DSA_SHA2_192f, id_slh_dsa_sha2_192f);
32 CASE_OID(NID_SLH_DSA_SHA2_256s, id_slh_dsa_sha2_256s);
33 CASE_OID(NID_SLH_DSA_SHA2_256f, id_slh_dsa_sha2_256f);
34 CASE_OID(NID_SLH_DSA_SHAKE_128s, id_slh_dsa_shake_128s);
35 CASE_OID(NID_SLH_DSA_SHAKE_128f, id_slh_dsa_shake_128f);
36 CASE_OID(NID_SLH_DSA_SHAKE_192s, id_slh_dsa_shake_192s);
37 CASE_OID(NID_SLH_DSA_SHAKE_192f, id_slh_dsa_shake_192f);
38 CASE_OID(NID_SLH_DSA_SHAKE_256s, id_slh_dsa_shake_256s);
39 CASE_OID(NID_SLH_DSA_SHAKE_256f, id_slh_dsa_shake_256f);
40 default:
41 return 0;
42 }
43 return ossl_DER_w_begin_sequence(pkt, tag)
44 /* No parameters */
45 && ossl_DER_w_precompiled(pkt, -1, alg, len)
46 && ossl_DER_w_end_sequence(pkt, tag);
47 }
48