X509_PUBKEY_get0
LCRYPTO_ALIAS(X509_PUBKEY_get0);
if ((pkey = X509_PUBKEY_get0(key)) == NULL)
LCRYPTO_USED(X509_PUBKEY_get0);
EVP_PKEY * X509_PUBKEY_get0(X509_PUBKEY *key);
return (X509_PUBKEY_get0(x->cert_info->key));
return X509_PUBKEY_get0(req->req_info->pubkey);