Setting this object to invalidateAuth(2) causes the CMTS to invalidate the current CM authorization key(s), but not to transmit an Authorization Invalid message nor to invalidate the primary SAID's TEKs. Setting this object to sendAuthInvalid(3) causes the CMTS to invalidate the current CM authorization key(s), and to transmit an Authorization Invalid message to the CM, but not to invalidate the primary SAID's TEKs. Setting this object to invalidateTeks(4) causes the CMTS to invalidate the current CM authorization key(s), to transmit an Authorization Invalid message to the CM, and to invalidate the TEKs associated with this CM's primary SAID. For BPI mode, substitute all of the CM's unicast TEKs for the primary SAID's TEKs in the previous paragraph. Reading this object returns the most recently set value of this object or, if the object has not been set since entry creation, returns noResetRequested(1).