METHOD AND APPARATUS FOR ISOLATING AN ENCRYPTED COMPUTER SYSTEM UPON DETECTION OF VIRUSES AND SIMILAR DATA

摘要

A method and apparatus for isolating a data receiving entity (30) from a data sending entity (20) include a first data channel (22), coupled to the data sending entity (20), and a second data channel (32), coupled to the data receiving entity. A data encryption chip decrypts data received from the data sending entity (20) and encrypts data sent to the data sending entity (20). A processor is programmed to compare a plurality of data words received from the first data channel to at least one data word characteristic of a data virus (40) and to assert a control signal (42) when a data word received from the first data channel corresponds to a data word characteristic of a data virus. An optical isolator (60) is capable of isolating the first data channel from the second data channel when the processor detects a data virus.