A method and apparatus for providing message authentication between a first device (such as a provisioning server) and a plurality of other devices (such as cable modems) without need to share a secret key between the first device and the plurality of second devices....http://www.google.fr/patents/US6408392?utm_source=gb-gplus-shareBrevet US6408392 - Method and apparatus for providing configuration information in a network
Method and apparatus for providing configuration information in a network
