int add_oid_section(BIO *err, CONF *conf);
X509 *load_cert(BIO *err, const char *file, int format,
const char *pass, ENGINE *e, const char *cert_descrip);
+X509_CRL *load_crl(char *infile, int format);
int load_cert_crl_http(const char *url, BIO *err,
X509 **pcert, X509_CRL **pcrl);
EVP_PKEY *load_key(BIO *err, const char *file, int format, int maybe_stdin,