Patent ID: 8751802

Claim:
A method for storage device recovery, the method comprising: performing the following in a storage device: commencing an authentication process to authenticate a host device, wherein the authentication process comprises a plurality of phases; storing a state of the authentication process, wherein the state indicates the phase(s) of the authentication process that have been successfully completed; after a power loss, receiving a recovery command from the host device; determining if the recovery command indicates that the host device is a pre-authenticated entity; if the storage device determines that the recovery command indicates that the host device is a pre-authenticated entity: retrieving the state of the authentication process; and resuming an operation with the host device without re-performing the phase(s) of the authentication process that have been completed; and if the storage device determines that the recovery command does not indicate that the host device is a pre-authenticated entity, operating in a blocked state that indicates a failure to log in.