AR_KEYTABLE_KEY2
#define AR_KEYTABLE_KEY2(n) (AR_KEYTABLE(n) + 8) /* key bit 48-79 */
#define AR_KEYTABLE_KEY2(n) (AR_KEYTABLE(n) + 8) /* key bit 48-79 */
#define AR_KEYTABLE_KEY2(_n) (AR_KEYTABLE(_n) + 8) /* key bit 48-79 */