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1. US20110075845 - Method and apparatus for dynamic, seamless security in communication protocols

Office
États-Unis d'Amérique
Numéro de la demande 12960304
Date de la demande 03.12.2010
Numéro de publication 20110075845
Date de publication 31.03.2011
Numéro de délivrance 08245028
Date de délivrance 14.08.2012
Type de publication B2
CIB
H04L 29/06
HÉLECTRICITÉ
04TECHNIQUE DE LA COMMUNICATION ÉLECTRIQUE
LTRANSMISSION D'INFORMATION NUMÉRIQUE, p.ex. COMMUNICATION TÉLÉGRAPHIQUE
29Dispositions, appareils, circuits ou systèmes non couverts par un seul des groupes H04L1/-H04L27/135
02Commande de la communication; Traitement de la communication
06caractérisés par un protocole
Déposants Motorola Solutions, Inc.
Inventeurs Calcev George
Carbunar Bogdan O
Nakhjiri Madjid F.
Mandataires Curtis Anthony P.
Bestor Daniel R.
Titre
(EN) Method and apparatus for dynamic, seamless security in communication protocols
Abrégé
(EN)

Communication nodes, acting as intermediate routers for communication packets transmitted between a source node and a destination node, are provided with different access rights to the fields of the routed communication packets. Routes of intermediate routers between the source node and the destination node are discovered and the identities of intermediate routers on the discovered routes are collected. The aggregate trust levels of the intermediate routers are computed allowing the most trusted route to be selected. Encryption keys are securely distributed to intermediate routers on the most trusted route based on the trust level of the intermediate routers and fields of the communication packets are encrypted with encryption keys corresponding to the assigned trust level. Intermediated nodes are thereby prevented from accessing selected fields of the communication packets.

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