HARDWARE-ASSISTED CLIENT AUTHENTICATION FOR SECURITY ENHANCEMENT OF VIRTUAL DEVICE

A device can include a remote protocol communication (RPC) slot configured to receive a message package generated from an entity during an RPC process, a processing unit configured to process the message package and return a result via the RPC slot to the entity, a blocker configured to be enabled to block or disabled to allow communication between the RPC slot and the processing unit, a key slot corresponding to the RPC slot and configured to receive a key from the entity, a key pool configured to store key slot and key pairs, and a verifier configured to disable the blocker when the key matches a key contained in one of the key slot and key pairs that contains the key slot and enable the blocker when the key does not match the key contained in any one of the key slot and key pairs that contains the key slot.