X509_certificate_type
LCRYPTO_USED(X509_certificate_type);
int X509_certificate_type(const X509 *x, const EVP_PKEY *pubkey);
LCRYPTO_ALIAS(X509_certificate_type);
i = X509_certificate_type(s->session->peer_cert, NULL);
type = X509_certificate_type(peer_cert, pkey);