456         return NID_undef;  in tls1_group_id2nid()
468         return NID_undef;  in tls1_group_id2nid()
924     if (curve_nid == NID_undef)  in tls1_get_group_id()
1062      NID_undef, -1, EVP_PKEY_ED25519, SSL_PKEY_ED25519,
1063      NID_undef, NID_undef, 1},
1065      NID_undef, -1, EVP_PKEY_ED448, SSL_PKEY_ED448,
1066      NID_undef, NID_undef, 1},
1069      NID_ecdsa_with_SHA224, NID_undef, 1},
1072      NID_ecdsa_with_SHA1, NID_undef, 1},
1075      NID_undef, NID_undef, 1},
1078      NID_undef, NID_undef, 1},
1081      NID_undef, NID_undef, 1},
1084      NID_undef, NID_undef, 1},
1087      NID_undef, NID_undef, 1},
1090      NID_undef, NID_undef, 1},
1093      NID_sha256WithRSAEncryption, NID_undef, 1},
1096      NID_sha384WithRSAEncryption, NID_undef, 1},
1099      NID_sha512WithRSAEncryption, NID_undef, 1},
1102      NID_sha224WithRSAEncryption, NID_undef, 1},
1105      NID_sha1WithRSAEncryption, NID_undef, 1},
1108      NID_dsa_with_SHA256, NID_undef, 1},
1111      NID_undef, NID_undef, 1},
1114      NID_undef, NID_undef, 1},
1117      NID_undef, NID_undef, 1},
1120      NID_dsaWithSHA1, NID_undef, 1},
1125      NID_undef, NID_undef, 1},
1129      NID_undef, NID_undef, 1},
1133      NID_undef, NID_undef, 1},
1137      NID_undef, NID_undef, 1},
1141      NID_undef, NID_undef, 1}
1149      NID_undef, NID_undef, 1
1195         if (lu->hash != NID_undef  in ssl_setup_sig_algs()
1247     if (lu->hash == NID_undef) {  in tls1_lookup_md()
1430                 && lu->curve != NID_undef  in tls_check_sigalg_curve()
1542             if (lu->curve != NID_undef && curve != lu->curve) {  in tls12_check_peer_sigalg()
1593                       md != NULL ? EVP_MD_get_type(md) : NID_undef,  in tls12_check_peer_sigalg()
2377             *psign = lu != NULL ? lu->sig : NID_undef;  in SSL_get_sigalgs()
2379             *phash = lu != NULL ? lu->hash : NID_undef;  in SSL_get_sigalgs()
2381             *psignhash = lu != NULL ? lu->sigandhash : NID_undef;  in SSL_get_sigalgs()
2431         if (*phash == NID_undef)  in get_sigorhash()
2444     int sig_alg = NID_undef, hash_alg = NID_undef;  in sig_cb()
2480         if (sig_alg == NID_undef || hash_alg == NID_undef)  in sig_cb()
3009     if (nid == NID_undef)  in ssl_security_cert_sig()
3101     if (sig->hash != NID_undef)  in check_cert_usable()
3213             if (lu->curve != NID_undef && curve != lu->curve)  in find_sig_alg()
3513     return NID_undef;  in ssl_get_EC_curve_nid()