Intel Corporation
MESSAGE AUTHENTICATION CODE (MAC) GENERATION FOR LIVE MIGRATION OF ENCRYPTED VIRTUAL MACHINESS

Abstract:

A system and method of MAC generation include receiving, by a destination computing system, an encrypted page from a source computing system; decrypting the encrypted page; adding version data for the decrypted page to a receiver message authentication code (MAC) for the decrypted page; receiving a sender MAC corresponding to the encrypted page received from the source computing system, the sender MAC including version data for the encrypted page; comparing the sender MAC to the receiver MAC; and indicating an error when the sender MAC does not match the receiver MAC and indicating a success when the sender MAC matches the receiver MAC.