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1. EP3566167 - METHODS AND APPARATUS FOR PERFORMING SECURE BACK-UP AND RESTORE

Office
European Patent Office
Application Number 18700275
Application Date 09.01.2018
Publication Number 3566167
Publication Date 13.11.2019
Publication Kind A1
IPC
G06F 21/62
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
60Protecting data
62Protecting access to data via a platform, e.g. using keys or access control rules
G06F 11/14
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
14Error detection or correction of the data by redundancy in operation, e.g. by using different operation sequences leading to the same result
CPC
G06F 11/1458
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
14Error detection or correction of the data by redundancy in operation
1402Saving, restoring, recovering or retrying
1446Point-in-time backing up or restoration of persistent data
1458Management of the backup or restore process
G06F 21/62
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
60Protecting data
62Protecting access to data via a platform, e.g. using keys or access control rules
G06F 21/6209
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
60Protecting data
62Protecting access to data via a platform, e.g. using keys or access control rules
6209to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
G06F 21/602
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
60Protecting data
602Providing cryptographic facilities or services
G06F 11/1464
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
14Error detection or correction of the data by redundancy in operation
1402Saving, restoring, recovering or retrying
1446Point-in-time backing up or restoration of persistent data
1458Management of the backup or restore process
1464for networked environments
G06F 11/1469
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
14Error detection or correction of the data by redundancy in operation
1402Saving, restoring, recovering or retrying
1446Point-in-time backing up or restoration of persistent data
1458Management of the backup or restore process
1469Backup restoration techniques
Applicants INTERDIGITAL CE PATENT HOLDINGS
Inventors MARTENS DAVID
HARDOUIN OLIVIER
Designated States
Priority Data 17305020 09.01.2017 EP
Title
(DE) VERFAHREN UND VORRICHTUNG ZUR DURCHFÜHRUNG VON SICHEREM BACKUP UND WIEDERHERSTELLUNG
(EN) METHODS AND APPARATUS FOR PERFORMING SECURE BACK-UP AND RESTORE
(FR) PROCÉDÉS ET APPAREIL POUR EFFECTUER UNE SAUVEGARDE ET UNE RESTAURATION SÉCURISÉES
Abstract
(EN)
Back-up procedures for saving configuration data are provided, which enable the restoration of said configuration data on the device when it is reset to default, or on another device when the device is stolen or broken. Since configuration data are sensitive data, it is important to protect their confidentiality and their integrity throughout the back-up and restore process. Current solutions enable a secure back-up and restore process on the same device since the backed-up configuration data are encrypted using credentials that are only known to the device. In order to overcome these drawbacks, a solution is proposed for performing a secure back-up process which enables the restoration of the backed-up data to the same device or to a distinct device. This is made possible by using encryption keys that are common to a pool of devices. Those common encryption keys are provided during the manufacturing of the devices.

(FR)
L'invention concerne des procédures de sauvegarde pour sauvegarder des données de configuration, lesquelles permettent la restauration desdites données de configuration sur le dispositif lorsqu'il est réinitialisé par défaut, ou sur un autre dispositif lorsque le dispositif est volé ou cassé. Etant donné que les données de configuration sont des données sensibles, il est important de protéger leur confidentialité et leur intégrité tout au long du processus de sauvegarde et de restauration. Des solutions actuelles permettent un processus de sauvegarde et de restauration sécurisées sur le même dispositif puisque les données de configuration sauvegardées sont chiffrées à l'aide de justificatifs d'identité qui sont uniquement connus du dispositif. Afin de remédier à ces inconvénients, une solution est proposée pour réaliser un processus de sauvegarde sécurisée qui permet la restauration des données sauvegardées sur le même dispositif ou sur un dispositif distinct. Ceci est rendu possible en utilisant des clés de chiffrement qui sont communes à un groupe de dispositifs. Ces clés de chiffrement communes sont fournies pendant la fabrication des dispositifs.