Patent ID: 6397270
Filing Date: 2002-05-28
Classification: G06F

Abstract:
A secure data transfer system comprising:a first computer; a second computer having no direct communication with the first computer; a dual-access disk drive connected to the first computer and the second computer, the disk drive having a dual-read portion read-accessible by the first computer and the second computer, a first write-accessible portion of the dual-read portion being write-accessible by the first computer and not by the second computer and a second write-accessible portion of the dual-read portion being write-accessible by the second computer and not by the first computer, the first write-accessible portion being different and segregated from the second write-accessible portion, the dual-access disk drive being operative to provide secure data transfer between the first computer and the second computer by receiving data written by the first computer and allowing the second computer to read the data written by the first computer and receiving data written by the first computer and allowing the first computer to read the data written by the second computer, the disk drive being operative to provide and coordinate data transfer between the first computer and the second computer on the basis of commands delivered to the disk drive by the first computer and the second computer without there being any direct communication between the first computer and the second computer.