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1. EP3664396 - SECURELY TRANSMITTING DATA IN A DATA STREAM

Office European Patent Office
Application Number 18209942
Application Date 03.12.2018
Publication Number 3664396
Publication Date 10.06.2020
Publication Kind A1
IPC
H04L 29/06
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
29Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/-H04L27/136
02Communication control; Communication processing
06characterised by a protocol
CPC
H04L 63/0471
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
63Network architectures or network communication protocols for network security
04for providing a confidential data exchange among entities communicating through data packet networks
0428wherein the data content is protected, e.g. by encrypting or encapsulating the payload
0471applying encryption by an intermediary, e.g. receiving clear information at the intermediary and encrypting the received information at the intermediary before forwarding
H04L 63/0478
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
63Network architectures or network communication protocols for network security
04for providing a confidential data exchange among entities communicating through data packet networks
0428wherein the data content is protected, e.g. by encrypting or encapsulating the payload
0478applying multiple layers of encryption, e.g. nested tunnels or encrypting the content with a first key and then with at least a second key
Applicants NAGRAVISION SA
Inventors FISCHER JEAN-BERNARD
THOMAS FREDERIC
GREMAUD FABIEN
Designated States
Priority Data 18209942 03.12.2018 EP
Title
(DE) SICHERE ÜBERTRAGUNG VON DATEN IN EINEM DATENSTREAM
(EN) SECURELY TRANSMITTING DATA IN A DATA STREAM
(FR) TRANSMISSION SÉCURISÉE DES DONNÉES DANS UN FLUX DE DONNÉES
Abstract
(EN)
In overview, a computer-implemented method of transmitting data in a data stream from a first device to a second device is disclosed. The data stream is encrypted before transmission from the first device to the second device, and a location of the data in the data stream is indicated to the second device. The location may be a pre-shared location between the first and second devices, or the first device may transmit the location of the data to the second device. The second device decrypts the encrypted data stream, identifies the data in the data stream based on the location, and encrypts the identified data in the data stream

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