998     struct ec_gen_ctx *gctx = NULL;  in ec_gen_init()  local
1003     if ((gctx = OPENSSL_zalloc(sizeof(*gctx))) != NULL) {  in ec_gen_init()
1004         gctx->libctx = libctx;  in ec_gen_init()
1005         gctx->selection = selection;  in ec_gen_init()
1006         gctx->ecdh_mode = 0;  in ec_gen_init()
1007         if (!ec_gen_set_params(gctx, params)) {  in ec_gen_init()
1008             OPENSSL_free(gctx);  in ec_gen_init()
1009             gctx = NULL;  in ec_gen_init()
1012     return gctx;  in ec_gen_init()
1020     struct ec_gen_ctx *gctx = ec_gen_init(provctx, selection, params);  in sm2_gen_init()  local
1022     if (gctx != NULL) {  in sm2_gen_init()
1023         if (gctx->group_name != NULL)  in sm2_gen_init()
1024             return gctx;  in sm2_gen_init()
1025         if ((gctx->group_name = OPENSSL_strdup("sm2")) != NULL)  in sm2_gen_init()
1026             return gctx;  in sm2_gen_init()
1028         ec_gen_cleanup(gctx);  in sm2_gen_init()
1037     struct ec_gen_ctx *gctx = genctx;  in ec_gen_set_group()  local
1045     EC_GROUP_free(gctx->gen_group);  in ec_gen_set_group()
1046     gctx->gen_group = group;  in ec_gen_set_group()
1052     struct ec_gen_ctx *gctx = genctx;  in ec_gen_set_template()  local
1056     if (!ossl_prov_is_running() || gctx == NULL || ec == NULL)  in ec_gen_set_template()
1060     return ec_gen_set_group(gctx, ec_group);  in ec_gen_set_template()
1103     struct ec_gen_ctx *gctx = genctx;  in ec_gen_set_params()  local
1107     COPY_INT_PARAM(params, OSSL_PKEY_PARAM_USE_COFACTOR_ECDH, gctx->ecdh_mode);  in ec_gen_set_params()
1109     COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_GROUP_NAME, gctx->group_name);  in ec_gen_set_params()
1110     COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_EC_FIELD_TYPE, gctx->field_type);  in ec_gen_set_params()
1111     COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_EC_ENCODING, gctx->encoding);  in ec_gen_set_params()
1112     COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT, gctx->pt_format);  in ec_gen_set_params()
1113     COPY_UTF8_PARAM(params, OSSL_PKEY_PARAM_EC_GROUP_CHECK_TYPE, gctx->group_check);  in ec_gen_set_params()
1115     COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_P, gctx->p);  in ec_gen_set_params()
1116     COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_A, gctx->a);  in ec_gen_set_params()
1117     COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_B, gctx->b);  in ec_gen_set_params()
1118     COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_ORDER, gctx->order);  in ec_gen_set_params()
1119     COPY_BN_PARAM(params, OSSL_PKEY_PARAM_EC_COFACTOR, gctx->cofactor);  in ec_gen_set_params()
1121     COPY_OCTET_PARAM(params, OSSL_PKEY_PARAM_EC_SEED, gctx->seed, gctx->seed_len);  in ec_gen_set_params()
1122     COPY_OCTET_PARAM(params, OSSL_PKEY_PARAM_EC_GENERATOR, gctx->gen,  in ec_gen_set_params()
1123                      gctx->gen_len);  in ec_gen_set_params()
1131 static int ec_gen_set_group_from_params(struct ec_gen_ctx *gctx)  in ec_gen_set_group_from_params()  argument
1142     if (gctx->encoding != NULL  in ec_gen_set_group_from_params()
1144                                             gctx->encoding, 0))  in ec_gen_set_group_from_params()
1147     if (gctx->pt_format != NULL  in ec_gen_set_group_from_params()
1150                                             gctx->pt_format, 0))  in ec_gen_set_group_from_params()
1153     if (gctx->group_name != NULL) {  in ec_gen_set_group_from_params()
1155                                              gctx->group_name, 0))  in ec_gen_set_group_from_params()
1159     } else if (gctx->field_type != NULL) {  in ec_gen_set_group_from_params()
1161                                              gctx->field_type, 0))  in ec_gen_set_group_from_params()
1166     if (gctx->p == NULL  in ec_gen_set_group_from_params()
1167         || gctx->a == NULL  in ec_gen_set_group_from_params()
1168         || gctx->b == NULL  in ec_gen_set_group_from_params()
1169         || gctx->order == NULL  in ec_gen_set_group_from_params()
1170         || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_P, gctx->p)  in ec_gen_set_group_from_params()
1171         || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_A, gctx->a)  in ec_gen_set_group_from_params()
1172         || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_B, gctx->b)  in ec_gen_set_group_from_params()
1173         || !OSSL_PARAM_BLD_push_BN(bld, OSSL_PKEY_PARAM_EC_ORDER, gctx->order))  in ec_gen_set_group_from_params()
1176     if (gctx->cofactor != NULL  in ec_gen_set_group_from_params()
1178                                    gctx->cofactor))  in ec_gen_set_group_from_params()
1181     if (gctx->seed != NULL  in ec_gen_set_group_from_params()
1183                                              gctx->seed, gctx->seed_len))  in ec_gen_set_group_from_params()
1186     if (gctx->gen == NULL  in ec_gen_set_group_from_params()
1188                                              gctx->gen, gctx->gen_len))  in ec_gen_set_group_from_params()
1194     group = EC_GROUP_new_from_params(params, gctx->libctx, NULL);  in ec_gen_set_group_from_params()
1198     EC_GROUP_free(gctx->gen_group);  in ec_gen_set_group_from_params()
1199     gctx->gen_group = group;  in ec_gen_set_group_from_params()
1244     struct ec_gen_ctx *gctx = genctx;  in ec_gen()  local
1249         || gctx == NULL  in ec_gen()
1250         || (ec = EC_KEY_new_ex(gctx->libctx, NULL)) == NULL)  in ec_gen()
1253     if (gctx->gen_group == NULL) {  in ec_gen()
1254         if (!ec_gen_set_group_from_params(gctx))  in ec_gen()
1257         if (gctx->encoding != NULL) {  in ec_gen()
1258             int flags = ossl_ec_encoding_name2id(gctx->encoding);  in ec_gen()
1262             EC_GROUP_set_asn1_flag(gctx->gen_group, flags);  in ec_gen()
1264         if (gctx->pt_format != NULL) {  in ec_gen()
1265             int format = ossl_ec_pt_format_name2id(gctx->pt_format);  in ec_gen()
1269             EC_GROUP_set_point_conversion_form(gctx->gen_group, format);  in ec_gen()
1274     ret = ec_gen_assign_group(ec, gctx->gen_group);  in ec_gen()
1277     if ((gctx->selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0)  in ec_gen()
1280     if (gctx->ecdh_mode != -1)  in ec_gen()
1281         ret = ret && ossl_ec_set_ecdh_cofactor_mode(ec, gctx->ecdh_mode);  in ec_gen()
1283     if (gctx->group_check != NULL)  in ec_gen()
1284         ret = ret && ossl_ec_set_check_group_type_from_name(ec, gctx->group_check);  in ec_gen()
1300     struct ec_gen_ctx *gctx = genctx;  in sm2_gen()  local
1304     if (gctx == NULL  in sm2_gen()
1305         || (ec = EC_KEY_new_ex(gctx->libctx, NULL)) == NULL)  in sm2_gen()
1308     if (gctx->gen_group == NULL) {  in sm2_gen()
1309         if (!ec_gen_set_group_from_params(gctx))  in sm2_gen()
1312         if (gctx->encoding) {  in sm2_gen()
1313             int flags = ossl_ec_encoding_name2id(gctx->encoding);  in sm2_gen()
1317             EC_GROUP_set_asn1_flag(gctx->gen_group, flags);  in sm2_gen()
1319         if (gctx->pt_format != NULL) {  in sm2_gen()
1320             int format = ossl_ec_pt_format_name2id(gctx->pt_format);  in sm2_gen()
1324             EC_GROUP_set_point_conversion_form(gctx->gen_group, format);  in sm2_gen()
1329     ret = ec_gen_assign_group(ec, gctx->gen_group);  in sm2_gen()
1332     if ((gctx->selection & OSSL_KEYMGMT_SELECT_KEYPAIR) != 0)  in sm2_gen()
1347     struct ec_gen_ctx *gctx = genctx;  in ec_gen_cleanup()  local
1349     if (gctx == NULL)  in ec_gen_cleanup()
1352     EC_GROUP_free(gctx->gen_group);  in ec_gen_cleanup()
1353     BN_free(gctx->p);  in ec_gen_cleanup()
1354     BN_free(gctx->a);  in ec_gen_cleanup()
1355     BN_free(gctx->b);  in ec_gen_cleanup()
1356     BN_free(gctx->order);  in ec_gen_cleanup()
1357     BN_free(gctx->cofactor);  in ec_gen_cleanup()
1358     OPENSSL_free(gctx->group_name);  in ec_gen_cleanup()
1359     OPENSSL_free(gctx->field_type);  in ec_gen_cleanup()
1360     OPENSSL_free(gctx->pt_format);  in ec_gen_cleanup()
1361     OPENSSL_free(gctx->encoding);  in ec_gen_cleanup()
1362     OPENSSL_free(gctx->seed);  in ec_gen_cleanup()
1363     OPENSSL_free(gctx->gen);  in ec_gen_cleanup()
1364     OPENSSL_free(gctx);  in ec_gen_cleanup()