X509_PUBKEY_get
pkey = X509_PUBKEY_get(spki->spkac->pubkey);
EVP_PKEY *pkey = X509_PUBKEY_get(pubkey);
return X509_PUBKEY_get(x->cert_info.key);
return X509_PUBKEY_get(req->req_info.pubkey);
return X509_PUBKEY_get(x->spkac->pubkey);
pktmp = X509_PUBKEY_get(xpk);
EVP_PKEY *X509_PUBKEY_get(const X509_PUBKEY *key);