In a computer network, each pair of host computers that need to exchange data packets establish a single host-to-host encryption/decryption key. Then, whenever one host computer sends a data packet to the other host computer, it first forms a predefined logical combination of the established host-to-host...http://www.google.es/patents/US5268962?utm_source=gb-gplus-sharePatente US5268962 - Computer network with modified host-to-host encryption keys
Computer network with modified host-to-host encryption keys
