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1. WO2018130935 - SIGNALING CONDITIONAL ACCESS SYSTEM SWITCHING AND KEY DERIVATION

Publication Number WO/2018/130935
Publication Date 19.07.2018
International Application No. PCT/IB2018/050124
International Filing Date 09.01.2018
IPC
G06F 21/10 2013.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
10Protecting distributed programs or content, e.g. vending or licensing of copyrighted material
G06F 21/74 2013.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
70Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
71to assure secure computing or processing of information
74operating in dual or compartmented mode, i.e. at least one secure mode
CPC
G06F 21/10
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
10Protecting distributed programs or content, e.g. vending or licensing of copyrighted material
G06F 21/74
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
70Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
71to assure secure computing or processing of information
74operating in dual or compartmented mode, i.e. at least one secure mode
G06F 2221/0706
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
2221Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
07Indexing scheme relating to G06F21/10, protecting distributed programs or content
0702Binding
0704Device
0706Domain
G06F 2221/0797
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
2221Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
07Indexing scheme relating to G06F21/10, protecting distributed programs or content
0797using dedicated hardware at the client
G06F 2221/2105
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
2221Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
2105Dual mode as a secondary aspect
G06F 2221/2107
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
2221Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
21Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
2107File encryption
Applicants
  • INSIDE SECURE [FR]/[FR]
Inventors
  • CARSON, Jacob T.
  • GORMAN, Michael A.
  • COCCHI, Ronald P.
Agents
  • DE JONG, Jean Jacques
  • DE ROQUEMAUREL, Bruno
  • MARCHAND, André
Priority Data
15/791,26023.10.2017US
62/446,19613.01.2017US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SIGNALING CONDITIONAL ACCESS SYSTEM SWITCHING AND KEY DERIVATION
(FR) SIGNALISATION DE COMMUTATION DE SYSTÈME D'ACCÈS CONDITIONNEL ET DE DÉRIVATION DE CLÉ
Abstract
(EN)
A method and apparatus for controlling a group of the client devices to switch at least one client device of the group of client devices from a first conditional access system to a second conditional access system is disclosed. In one embodiment, the method comprises generating a group identifier identifying the group of the client devices, transmitting a first client device signaling message having the group identifier only to each client device of the identified group of client devices, the group identifier for storage in each client device of the identified group of client devices in non-volatile memory, and transmitting a second client device signaling message to plurality of client devices, the second client device message comprising the group identifier and signaling a switch of each of the identified group of client devices from the first conditional access system to the second conditional access system.
(FR)
L'invention concerne un procédé et un appareil de commande d'un groupe des dispositifs clients pour commuter au moins un dispositif client du groupe de dispositifs clients d'un premier système d'accès conditionnel à un second système d'accès conditionnel. Dans un mode de réalisation, le procédé comprend la génération d'un identifiant de groupe identifiant le groupe des dispositifs clients, la transmission d'un premier message de signalisation de dispositif client ayant l'identifiant de groupe uniquement à chaque dispositif client du groupe identifié de dispositifs clients, l'identifiant de groupe étant destiné à être mémorisé dans chaque dispositif client du groupe identifié de dispositifs clients, dans une mémoire non volatile, et la transmission d'un second message de signalisation de dispositif client à une pluralité de dispositifs clients, le second message de dispositif client comprenant l'identifiant de groupe, et la signalisation d'un commutateur de chacun des dispositifs clients du groupe identifié du premier système d'accès conditionnel au second système d'accès conditionnel.
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