EVP_PKEY_get1_EC_KEY
if ((ec = EVP_PKEY_get1_EC_KEY(pk)) == NULL) {
if ((ec = EVP_PKEY_get1_EC_KEY(key->pkey)) == NULL) {
if ((ec = EVP_PKEY_get1_EC_KEY(k)) == NULL ||
(ecdsa = EVP_PKEY_get1_EC_KEY(pk)) == NULL) {
dtmp = EVP_PKEY_get1_EC_KEY(key);
key = EVP_PKEY_get1_EC_KEY(pkey);
struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);