DO_PRIVATE_KEY_selection_mask
if ((selection & DO_PRIVATE_KEY_selection_mask) != 0) \
#define DO_PrivateKeyInfo_selection_mask DO_PRIVATE_KEY_selection_mask
#define DO_EncryptedPrivateKeyInfo_selection_mask DO_PRIVATE_KEY_selection_mask
(DO_PRIVATE_KEY_selection_mask | DO_PUBLIC_KEY_selection_mask)
(DO_PRIVATE_KEY_selection_mask | DO_PARAMETERS_selection_mask)