nit(const X509 *signcert,
                                                 const STACK_OF(X509) *certs,
                                                 int set_issuer_serial);
ESS_SIGNING_CERT_V2 *OSSL_ESS_signing_cert_v2_new_init(const EVP_MD *hash_alg,
                                                       const X509 *signcert,
                                                       const
                                                       STACK_OF(X509) *certs,
                                        