EVP_PKEY_set_type_by_keymgmt
|| !EVP_PKEY_set_type_by_keymgmt(pkey, ctx->keymgmt)
&& !EVP_PKEY_set_type_by_keymgmt(to, to_keymgmt)) {
|| !EVP_PKEY_set_type_by_keymgmt(pkey, keymgmt)) {
if (EVP_PKEY_set_type_by_keymgmt(to, from->keymgmt) == 0)
int EVP_PKEY_set_type_by_keymgmt(EVP_PKEY *pkey, EVP_KEYMGMT *keymgmt);