1*e7be843bSPierre Pronchery /*
2*e7be843bSPierre Pronchery * Copyright 2025 The OpenSSL Project Authors. All Rights Reserved.
3*e7be843bSPierre Pronchery *
4*e7be843bSPierre Pronchery * Licensed under the Apache License 2.0 (the "License"). You may not use
5*e7be843bSPierre Pronchery * this file except in compliance with the License. You can obtain a copy
6*e7be843bSPierre Pronchery * in the file LICENSE in the source distribution or at
7*e7be843bSPierre Pronchery * https://www.openssl.org/source/license.html
8*e7be843bSPierre Pronchery */
9*e7be843bSPierre Pronchery
10*e7be843bSPierre Pronchery /*
11*e7be843bSPierre Pronchery * DSA low level APIs are deprecated for public use, but still ok for
12*e7be843bSPierre Pronchery * internal use.
13*e7be843bSPierre Pronchery */
14*e7be843bSPierre Pronchery #include "internal/deprecated.h"
15*e7be843bSPierre Pronchery
16*e7be843bSPierre Pronchery #include "internal/packet.h"
17*e7be843bSPierre Pronchery #include "prov/der_ml_dsa.h"
18*e7be843bSPierre Pronchery
ossl_DER_w_algorithmIdentifier_ML_DSA(WPACKET * pkt,int tag,ML_DSA_KEY * key)19*e7be843bSPierre Pronchery int ossl_DER_w_algorithmIdentifier_ML_DSA(WPACKET *pkt, int tag, ML_DSA_KEY *key)
20*e7be843bSPierre Pronchery {
21*e7be843bSPierre Pronchery const uint8_t *alg;
22*e7be843bSPierre Pronchery size_t len;
23*e7be843bSPierre Pronchery const char *name = ossl_ml_dsa_key_get_name(key);
24*e7be843bSPierre Pronchery
25*e7be843bSPierre Pronchery if (OPENSSL_strcasecmp(name, "ML-DSA-44") == 0) {
26*e7be843bSPierre Pronchery alg = ossl_der_oid_id_ml_dsa_44;
27*e7be843bSPierre Pronchery len = sizeof(ossl_der_oid_id_ml_dsa_44);
28*e7be843bSPierre Pronchery } else if (OPENSSL_strcasecmp(name, "ML-DSA-65") == 0) {
29*e7be843bSPierre Pronchery alg = ossl_der_oid_id_ml_dsa_65;
30*e7be843bSPierre Pronchery len = sizeof(ossl_der_oid_id_ml_dsa_65);
31*e7be843bSPierre Pronchery } else if (OPENSSL_strcasecmp(name, "ML-DSA-87") == 0) {
32*e7be843bSPierre Pronchery alg = ossl_der_oid_id_ml_dsa_87;
33*e7be843bSPierre Pronchery len = sizeof(ossl_der_oid_id_ml_dsa_87);
34*e7be843bSPierre Pronchery } else {
35*e7be843bSPierre Pronchery return 0;
36*e7be843bSPierre Pronchery }
37*e7be843bSPierre Pronchery return ossl_DER_w_begin_sequence(pkt, tag)
38*e7be843bSPierre Pronchery /* No parameters */
39*e7be843bSPierre Pronchery && ossl_DER_w_precompiled(pkt, -1, alg, len)
40*e7be843bSPierre Pronchery && ossl_DER_w_end_sequence(pkt, tag);
41*e7be843bSPierre Pronchery }
42