2125                                     mbedtls_x509_crt *parent,  in x509_crt_check_signature()  argument
2155     if (!mbedtls_pk_can_do(&parent->pk, child->sig_pk)) {  in x509_crt_check_signature()
2161         return mbedtls_pk_verify_restartable(&parent->pk,  in x509_crt_check_signature()
2169     return mbedtls_pk_verify_ext(child->sig_pk, child->sig_opts, &parent->pk,  in x509_crt_check_signature()
2181                                  const mbedtls_x509_crt *parent,  in x509_crt_check_parent()  argument
2187     if (x509_name_cmp(&child->issuer, &parent->subject) != 0) {  in x509_crt_check_parent()
2195     if (top && parent->version < 3) {  in x509_crt_check_parent()
2199     if (need_ca_bit && !parent->ca_istrue) {  in x509_crt_check_parent()
2204         mbedtls_x509_crt_check_key_usage(parent, MBEDTLS_X509_KU_KEY_CERT_SIGN) != 0) {  in x509_crt_check_parent()
2266     mbedtls_x509_crt *parent, *fallback_parent;  in x509_crt_find_parent_in()  local
2271     if (rs_ctx != NULL && rs_ctx->parent != NULL) {  in x509_crt_find_parent_in()
2273         parent = rs_ctx->parent;  in x509_crt_find_parent_in()
2278         rs_ctx->parent = NULL;  in x509_crt_find_parent_in()
2290     for (parent = candidates; parent != NULL; parent = parent->next) {  in x509_crt_find_parent_in()
2292         if (x509_crt_check_parent(child, parent, top) != 0) {  in x509_crt_find_parent_in()
2297         if (parent->max_pathlen > 0 &&  in x509_crt_find_parent_in()
2298             (size_t) parent->max_pathlen < 1 + path_cnt - self_cnt) {  in x509_crt_find_parent_in()
2306         ret = x509_crt_check_signature(child, parent, rs_ctx);  in x509_crt_find_parent_in()
2311             rs_ctx->parent = parent;  in x509_crt_find_parent_in()
2328         if (mbedtls_x509_time_cmp(&parent->valid_to, now) < 0 ||    /* past */  in x509_crt_find_parent_in()
2329             mbedtls_x509_time_cmp(&parent->valid_from, now) > 0) {  /* future */  in x509_crt_find_parent_in()
2331                 fallback_parent = parent;  in x509_crt_find_parent_in()
2341         *r_parent = parent;  in x509_crt_find_parent_in()
2347     if (parent == NULL) {  in x509_crt_find_parent_in()
2380     mbedtls_x509_crt **parent,  in x509_crt_find_parent()  argument
2405                                       parent, signature_is_good,  in x509_crt_find_parent()
2420         if (*parent != NULL || *parent_is_trusted == 0) {  in x509_crt_find_parent()
2429     if (*parent == NULL) {  in x509_crt_find_parent()
2522     mbedtls_x509_crt *parent;  in x509_crt_verify_chain()  local
2623         ret = x509_crt_find_parent(child, cur_trust_ca, &parent,  in x509_crt_verify_chain()
2642         if (parent == NULL) {  in x509_crt_verify_chain()
2669         if (x509_profile_check_key(profile, &parent->pk) != 0) {  in x509_crt_verify_chain()
2675         *flags |= x509_crt_verifycrl(child, parent, ca_crl, profile, &now);  in x509_crt_verify_chain()
2681         child = parent;  in x509_crt_verify_chain()
2682         parent = NULL;  in x509_crt_verify_chain()
3270     ctx->parent = NULL;  in mbedtls_x509_crt_restart_init()