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 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