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 /* 11 * DSA low level APIs are deprecated for public use, but still ok for 12 * internal use. 13 */ 14 #include "internal/deprecated.h" 15 16 #include "internal/packet.h" 17 #include "prov/der_ml_dsa.h" 18 19 int ossl_DER_w_algorithmIdentifier_ML_DSA(WPACKET *pkt, int tag, ML_DSA_KEY *key) 20 { 21 const uint8_t *alg; 22 size_t len; 23 const char *name = ossl_ml_dsa_key_get_name(key); 24 25 if (OPENSSL_strcasecmp(name, "ML-DSA-44") == 0) { 26 alg = ossl_der_oid_id_ml_dsa_44; 27 len = sizeof(ossl_der_oid_id_ml_dsa_44); 28 } else if (OPENSSL_strcasecmp(name, "ML-DSA-65") == 0) { 29 alg = ossl_der_oid_id_ml_dsa_65; 30 len = sizeof(ossl_der_oid_id_ml_dsa_65); 31 } else if (OPENSSL_strcasecmp(name, "ML-DSA-87") == 0) { 32 alg = ossl_der_oid_id_ml_dsa_87; 33 len = sizeof(ossl_der_oid_id_ml_dsa_87); 34 } else { 35 return 0; 36 } 37 return ossl_DER_w_begin_sequence(pkt, tag) 38 /* No parameters */ 39 && ossl_DER_w_precompiled(pkt, -1, alg, len) 40 && ossl_DER_w_end_sequence(pkt, tag); 41 } 42