Patents Assigned to Nagravision S.A.
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Publication number: 20230026652Abstract: The present disclosure relates generally to security solutions. More specifically, techniques (e.g., systems, methods, and devices) are provided to implement an incentivized-based intrusion detection system to detect malicious acts against an asset. The incentive may lure or facilitate the actor to provide information detecting malicious actions against an asset.Type: ApplicationFiled: September 29, 2022Publication date: January 26, 2023Applicant: NAGRAVISION S.A.Inventors: Pierre Dumont, Frederic Thabaret-Diebold, Cristian Ruiz, Riccardo Succa
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Publication number: 20230007010Abstract: A method of enabling a user to access recorded data associated with an event, the method comprising determining the location of a user's device at a control unit, confirming the location is within a predetermined vicinity and that the user's device was at the location within a predetermined period and the control unit enabling access for the user to the data if the location of the user's device in the predetermined period is confirmed.Type: ApplicationFiled: July 15, 2022Publication date: January 5, 2023Applicant: NAGRAVISION S.A.Inventors: Olivier Schaer, Sami Karoui, Florent Schlaeppi
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Patent number: 11543941Abstract: Example embodiments provide systems and methods for managing intelligent content queuing from a secondary device for content delivery to a primary device. A content queuing system on the secondary device generates and displays a playlist interface on the secondary device. A selection of a content item to be added to a playlist is received. The content queuing system determines that addition of the content item causes a live content item to overlap with an on-demand content item on the playlist. As a result, the content queuing system creates at least two segments for the on-demand content item. The live content item is positioned between the first and a second segment on the playlist. The first segment is scheduled to end at a start time of the live content item and the second segment is scheduled to begin at an ending time of the live content item.Type: GrantFiled: May 6, 2021Date of Patent: January 3, 2023Assignee: NAGRAVISION S.A.Inventor: David Rhys Edward Jenkins
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Patent number: 11546135Abstract: Methods, system and devices are provided that generate a sequence of sub-keys for cryptographic operations from a main key. The main key is operated on only once to generate the sub-keys of the sequence, with a transformation comprising one or more one-way functions. The respective bit values of the sub-keys of the sequence are set using respective bit values of the one or more one-way functions. Advantageously, deriving sub-key bits from respective output bits of one or more one-way functions removes or at least reduces correlations between the main key and the sub-keys, as well as between sub-keys, making it harder or even impossible to recover the main key or other sub-keys from a single sub-key, for example as found using a side-channel attack.Type: GrantFiled: July 1, 2020Date of Patent: January 3, 2023Assignee: NAGRAVISION S.A.Inventors: Karine Villegas, Brecht Wyseur
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Patent number: 11546151Abstract: Example embodiments provide systems and methods for securing a deployed camera. A security apparatus is coupled to the deployed camera and accesses video content from the coupled camera. The security apparatus accesses video content from the coupled camera, splits the video content within a plurality of RTP packets, encrypts payloads of the RTP packets, embeds in a header of the encrypted RTP packets, at least two key identifications for decryption of the encrypted RTP packets, and transmits the plurality of RTP packets over a network to a video management system.Type: GrantFiled: December 20, 2018Date of Patent: January 3, 2023Assignee: NAGRAVISION S.A.Inventors: Michel Angel, Philippe Le Berre, Herve Retaureau, Minh-Son Tran
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Patent number: 11544086Abstract: A computer implemented method for sending context information between programs, the method including: displaying a graphical user interface including a plurality of selectable application icons; receiving a simultaneous selection of a first icon and a second icon from the plurality of selectable application icons; launching a first program associated with the first icon; launching a second program associated with the second icon; and sending context information between the first program and the second program.Type: GrantFiled: December 29, 2020Date of Patent: January 3, 2023Assignee: NAGRAVISION S.A.Inventors: Alain Le Perlerin, Pierre Sarda
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Publication number: 20220407869Abstract: Malware detection logic executed by a secured device residing in a home network may receive a message from an unsecured device of a first unsecured network and intended for a destination device of the home network, the destination device comprising a security client. The malware detection logic may establish a secure communication channel between the malware detection logic of the secured device and the security client of the destination device. The malware detection logic may execute a validation test on the message to determine that the message includes malware. The malware detection logic may report an alarm to the security client of the destination device. The malware detection logic may transmit information related to the malware to a cloud computing server. The malware detection logic may prevent an application associated with the destination device from processing the message.Type: ApplicationFiled: August 24, 2022Publication date: December 22, 2022Applicant: NAGRAVISION S.A.Inventor: Philippe Stransky-Heilkron
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Patent number: 11528523Abstract: The present invention refers to the field of television experience in particular the simultaneous use of the portable computing device and a television to share a user's experience. The present disclosure proposes a method to create a snapshot from a video transmission received by a receiver, said receiver being connected with a portable computing device and having a screen output, said method comprising the steps of receiving a video transmission by the receiver, converting by the receiver, the video transmission into a lower-bandwidth video transmission, sending the lower-bandwidth video transmission to the portable computing device, receiving from the portable computing device to the receiver, a command to execute a snapshot, producing by the receiver a snapshot from the video transmission, sending the snapshot to the portable computing device.Type: GrantFiled: June 17, 2021Date of Patent: December 13, 2022Assignee: NAGRAVISION S.A.Inventors: Didier Hunacek, Olivier Schaer, Frederic Thomas
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Publication number: 20220358243Abstract: The present invention aims to improve data protection against illegal access by a strong differentiation of the security level specific on a type of data so that when the protection on a part of the data is violated, the remaining data are still inaccessible. A method for controlling access, via an open communication network, to user private data, comprising steps of: dividing the user private data into a plurality of categories, each category defining a privacy level of the data, encrypting the user private data of each category with a category key pertaining to the category of the data, attributing to a stakeholder an entity configured for accessing to at least one category of user private data, and authorizing the access to the at least one category of user private data for the entity of the stakeholder, by providing the stakeholder with the category keys required for decrypting the user private data of the corresponding category.Type: ApplicationFiled: July 14, 2022Publication date: November 10, 2022Applicant: Nagravision S.A.Inventor: Antoine BURCKARD
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Publication number: 20220360442Abstract: A system and a method for protecting code are provided. Extraction of code to be protected takes place during an object-to-object transformation and that code is replaced with fake binary code. The extracted code to be protected may then be encrypted or otherwise obscured and stored in a separate region of an object file. A prior source-to-source file transformation can be provided to isolate and mark the code to be protected, and to inject additional source code to handle later decryption.Type: ApplicationFiled: April 19, 2022Publication date: November 10, 2022Applicant: NAGRAVISION S.A.Inventors: Laurent DORE, Eric PIRET, Yasser BELAIDI, Brecht WYSEUR
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Patent number: 11496292Abstract: The present disclosure includes methods, devises and systems for preparing and installing one or more application keys owned by application owners in a remote device. The present disclosure further proposes methods, devices and systems for secure installation of subsequent application keys on a device utilising corresponding key derivation functions to associate an application with a respective policy and identifier using significantly low bandwidth for transfer of keys for execution of the respective application on the device.Type: GrantFiled: December 21, 2018Date of Patent: November 8, 2022Assignee: NAGRAVISION S.A.Inventors: Jean-Bernard Fischer, Nicolas Fischer, Fabien Gremaud, Karine Villegas
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Patent number: 11489854Abstract: The present disclosure relates generally to security solutions. More specifically, techniques (e.g., systems, methods, and devices) are provided to implement an incentivized-based intrusion detection system to detect malicious acts against an asset. The incentive may lure or facilitate the actor to provide information detecting malicious actions against an asset.Type: GrantFiled: July 22, 2020Date of Patent: November 1, 2022Assignee: NAGRAVISION S.A.Inventors: Pierre Dumont, Frederic Thabaret-Diebold, Cristian Ruiz, Riccardo Sueca
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Patent number: 11457039Abstract: Malware detection logic executed by a secured device residing in a home network may receive a message from an unsecured device of a first unsecured network and intended for a destination device of the home network, the destination device comprising a security client. The malware detection logic may establish a secure communication channel between the malware detection logic of the secured device and the security client of the destination device. The malware detection logic may execute a validation test on the message to determine that the message includes malware. The malware detection logic may report an alarm to the security client of the destination device. The malware detection logic may transmit information related to the malware to a cloud computing server. The malware detection logic may prevent an application associated with the destination device from processing the message.Type: GrantFiled: June 17, 2020Date of Patent: September 27, 2022Assignee: NAGRAVISION S.A.Inventor: Philippe Stransky-Heilkron
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Patent number: 11451543Abstract: A method for securing transmission of digital data in a communication network comprising a central station or a terminal and at least one device monitored by the central station via the communication network. The at least one device is configured to produce and to transmit a digital data stream to the central station or terminal. The at least one device further comprises a secure non-volatile memory for storing at least device specific information. The at least one device forms a data block based on at least the device specific information stored in the secure memory. The data block thus formed may compose additional data to be merged with the digital data stream produced by the at least one device. A modified digital data stream results from this merging operation and is transmitted by the at least one device to the central station or terminal.Type: GrantFiled: December 7, 2018Date of Patent: September 20, 2022Assignee: Nagravision S.A.Inventors: Pierre Sarda, Didier Hunacek, John Tinsman, Philippe Stransky-Heilkron
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Patent number: 11451846Abstract: A method of transmitting entitlement messages to content consumption devices in a access control system, the method comprising periodically transmitting entitlement messages to content consumption devices in a access control system and periodically extending an expiry time comprised in the entitlement messages. The entitlement messages comprise indicator data indicating to the content consumption devices that subsequent entitlement messages loaded into a content consumption device after a first entitlement message is loaded into the content consumption device shall not be used by the content consumption device to access protected media content.Type: GrantFiled: June 25, 2021Date of Patent: September 20, 2022Assignee: NAGRAVISION S.A.Inventors: Didier Hunacek, Jean-Bernard Fischer
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Publication number: 20220283759Abstract: A consumable can be used to securely send data to devices. A security platform can produce a consumable, for example an ink cartridge, with data to be uploaded onto a device, such as a printer. If the consumable and device can perform a successful authentication, broadcast data can be delivered to the device via the consumable. Such techniques can help ensure that authentic consumables are being used in authentic devise. Further, such techniques can enable a licensing model where different consumables can be configured with different data to enable or disable different features of the device.Type: ApplicationFiled: March 5, 2021Publication date: September 8, 2022Applicant: NAGRAVISION S.A.Inventor: Fabien GREMAUD
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Patent number: 11436350Abstract: Content source and sink devices and methods help to guard against compromising security of content transferred from a source device to a sink device, for example where a primary encryption mechanism protecting the content has been compromised. A content source device is configured to connect to a content sink device to transmit digital media content to the content sink device. The content source device includes a connection module configured to establish a connection to the sink device, encrypt a digital media content for transmission across the connection with a first cipher using a connection key, and transmit the encrypted digital media content to the sink device over the connection. The content source also includes a protection module configured to prevent the sink device from using the digital media content without authorisation.Type: GrantFiled: February 2, 2018Date of Patent: September 6, 2022Assignee: NAGRAVISION S.A.Inventors: Didier Hunacek, Herve Goupil
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Patent number: 11422183Abstract: A method for detecting at least one glitch in an electrical signal. This method comprises: generating, from said electrical signal, at least one digital oscillating signal which is sensitive to glitches; and—performing the following steps as a repeatable round: (a) assigning a time window to at least one digital oscillating signal; said time window being implemented on the basis of a clock signal substantially insensitive to said at least one glitch to be detected; (b) determining from said time window a sampling value of the digital oscillating signal, said sampling value being characteristic of said digital oscillating signal throughout its time window; (c) detecting any potential glitch in said electrical signal by comparing said sampling value with an expected reference value; and (d) outputting a response typifying a result of the comparison step. Also, a device for implementing said method is described.Type: GrantFiled: June 12, 2018Date of Patent: August 23, 2022Assignee: NAGRAVISION S.A.Inventor: Jean-Marie Martin
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Patent number: 11425142Abstract: A method of enabling a user to access recorded data associated with an event, the method comprising determining the location of a user's device at a control unit, confirming the location is within a predetermined vicinity and that the user's device was at the location within a predetermined period and the control unit enabling access for the user to the data if the location of the user's device in the predetermined period is confirmed.Type: GrantFiled: September 27, 2019Date of Patent: August 23, 2022Assignee: NAGRAVISION S.A.Inventors: Olivier Schaer, Sami Karoui, Florent Schlaeppi
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Publication number: 20220260391Abstract: A method for managing communications within a network comprising utility meters, each associated and connected to at least one utility management center through at least one intermediate data concentrator. A message is sent by a utility meter to the destination data concentrator. This message includes metering data measurement reported by said utility meter, its utility meter identifier, the destination data concentrator identifier and the management center identifier. Then, on the basis of several metering data measurements, a metering counter differential consumption value is calculated by difference of two metering counter consumption indexes measured by the utility meter within a time period interval. Then, a report containing at least the metering counter differential consumption value is sent from the destination data concentrator towards the utility management center to which said utility meter is associated.Type: ApplicationFiled: May 2, 2022Publication date: August 18, 2022Applicant: NAGRAVISION S.A.Inventors: Joel WENGER, Corinne LE BUHAN