attributes.append_string("Server-Cert", id_card.trust_anchor.server_cert);
attributes.append_string("Subject", id_card.trust_anchor.subject);
attributes.append_string("Subject-Alt", id_card.trust_anchor.subject_alt);
attributes.append_string("Server-Cert", id_card.trust_anchor.server_cert);
attributes.append_string("Subject", id_card.trust_anchor.subject);
attributes.append_string("Subject-Alt", id_card.trust_anchor.subject_alt);