Patents Assigned to Nagravision S.A.
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Patent number: 10476924Abstract: An embodiment of the present invention may be deployed in a system comprising a media player and a remote server operably connected to communicate with one another. The invention allows for a settings file to be stored on the remote server, the settings file comprising parameters useful for adjusting different settings on the media player such that rendering of a particular content to be made possible on the media player according to a user's predetermined taste by downloading the settings from the server onto the media player.Type: GrantFiled: May 7, 2014Date of Patent: November 12, 2019Assignee: NAGRAVISION S.A.Inventors: Aditee Anil Pathak, Philippe Stransky, Gyanveer Singh
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Patent number: 10462503Abstract: A method for transmitting services information in a broadcasting network by at least one managing center towards a plurality of receivers includes exploring streams broadcasted by a DVB network and streams broadcasted by an IP network and extracting services information from these streams, completing an information table, situated at the highest level in a hierarchy of services information tables, included in the service information DVB-SI transmitted by the DVB network by services information related to the IP network, and transmitting the completed information table in the streams broadcasted by the DVB network towards the receivers having two switchable receiving modules, connected respectively to a DVB and an IP services broadcasting network. The receivers are able to activate the reception of digital data of a service, equivalent to the service currently received, with a second receiving module when receiving conditions of a first receiving module are degraded.Type: GrantFiled: September 18, 2017Date of Patent: October 29, 2019Assignee: Nagravision S.A.Inventor: Antoine Burckard
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Publication number: 20190318136Abstract: A method and a device for detecting an attack on an integrated circuit. Attacks which are detectable using an active shield as described herein include physical and electrical contacting using a probe and modification of interconnect routing, including modification through the use of focused ion beam technology.Type: ApplicationFiled: October 3, 2017Publication date: October 17, 2019Applicant: NAGRAVISION S.A.Inventor: Jean-Marie MARTIN
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Patent number: 10419800Abstract: A method to identify the origin of a security module in a pay-tv system comprising: receiving by the pay-tv decoder system at least a first stream, a second stream and a control word stream, the first and second streams being encrypted by a first and a second control word, respectively, extracting from the control word stream, entitlement messages containing a main control word allowing retrieval of the first and second control words and access conditions, transferring the control word stream to the security module and checking the access conditions, selecting a current control word from the first or second control word based on part of the internal parameter, transmitting the current control word to the pay-tv decoder, selecting a current stream from the first or second stream in accordance with the selection of the first or second control word, and decrypting the current stream with the current control word.Type: GrantFiled: April 2, 2012Date of Patent: September 17, 2019Assignee: NAGRAVISION S.A.Inventor: Henri Kudelski
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Publication number: 20190280853Abstract: A method to protect a device key in a device comprising at least one secure element locally connected to at least one time programmable memory storing a global value in form of a bit string comprising locked bits and unlocked bits. The locked bits are irreversibly pre-programmed in the one-time-programmable memory during an initialization phase of the device while the un-locked bits remaining in an initial state may be programmable by the secure element. The secure element is configured to generate, at initialization of the device, a device specific value by using the global value, program the device specific value previously obtained in the one time programmable memory, and erase the global value by programming the unlocked bits of the corresponding bit string. A further object of the disclosure includes a device configured to carry out the method.Type: ApplicationFiled: January 2, 2019Publication date: September 12, 2019Applicant: NAGRAVISION S.A.Inventors: Didier HUNACEK, Marco MACCHETTI, Nicolas FISCHER
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Patent number: 10411786Abstract: A method of acquiring access rights to conditional access content. The method comprises receiving an access right on a first terminal through a first communication channel; storing said access right in said first terminal; sending a request for said conditional access content to a content provider, said request containing at least an identifier of an account to which said first terminal is associated, an identifier of the requested content and a piece of information concerning said access right; verifying, by said content provider, the authenticity of said access right using said piece of information concerning the access right; and when there has been a successful verification, marking said access right as used, and sending said conditional access content to at least one terminal linked to said account. The first terminal using near field communication technology (NFC) during at least one transfer of said access rights.Type: GrantFiled: March 10, 2014Date of Patent: September 10, 2019Assignee: NAGRAVISION S.A.Inventors: Pierre Sarda, Philippe Stransky, Bertrand Wendling
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Publication number: 20190268663Abstract: The disclosure generally relates to a method for accessing media content, said method being used in a receiver (10). The method comprises a preparation phase and a use phase. The preparation phase comprises the steps of obtaining, by said receiver (10), a catalog of media content items, each media content item corresponding to a media content and comprising at least an item description and an item identification data and storing said catalog of media content items in a local database in a memory (13) of the receiver (10).Type: ApplicationFiled: November 3, 2017Publication date: August 29, 2019Applicant: NAGRAVISION S.A.Inventor: Jean-Bernard FISCHER
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Publication number: 20190260765Abstract: 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: February 21, 2019Publication date: August 22, 2019Applicant: Nagravision S.A.Inventor: Philippe Stransky-Heilkron
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Patent number: 10375040Abstract: A utility meter and method for metering consumption of at least one utility including: a metering unit, a communication unit for sending/receiving messages to/from a management center, a memory to store a unique identifier pertaining to the utility meter and a first key, an encryption unit for encrypting the utility consumption as a first cryptogram, a message generator for generating a utility message containing the first cryptogram, a key generator for generating a payload key to be used by the encryption unit for encrypting the utility consumption, a second cryptogram generated by the encryption unit by encrypting the payload key with the first key, the second cryptogram being intended to be included, by the message generator, at least once into the utility message to be sent to the remote management center.Type: GrantFiled: January 24, 2019Date of Patent: August 6, 2019Assignee: NAGRAVISION S.A.Inventors: Corinne Le Buhan, Christophe Nicolas, Joel Conus
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Publication number: 20190236245Abstract: A system for rendering a content, the rendering of which is subject to conditional access security conditions. The system includes a host device and a detachable security device, the security device configured to decrypt the encrypted content, re-encrypt it under a local key and to deliver the re-encrypted content to the host device while ensuring that the host device applies or otherwise enforces any conditions associated with the rendering of the content.Type: ApplicationFiled: September 8, 2017Publication date: August 1, 2019Applicant: NAGRAVISION S.A.Inventors: Philippe DESARZENS, Fabien GREMAUD, Jean-Luc BUSSY
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Patent number: 10356059Abstract: In an embodiment, a communication device receives a request to establish a media session with a remote endpoint. In response to receiving the request, the communication device exchanges media-session control data with the remote endpoint on behalf of a local endpoint to establish the requested media session between the local endpoint and the remote endpoint. The communication device is communicatively connected to the local endpoint via a Personal Area Network (PAN) communication link. The communication device relays media-session payload data between the local and remote endpoints. The media-session payload data (i) is associated with the media session and (ii) is encrypted based on at least one payload-data cryptographic key that is not accessible to the communication device.Type: GrantFiled: June 4, 2015Date of Patent: July 16, 2019Assignee: NAGRAVISION S.A.Inventors: Jerome Perrine, Bernard Benoit, Maurice Van Riek, Osen Karl
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Patent number: 10348698Abstract: Disclosed herein are methods and systems for link-based enforcement of routing of communication sessions via authorized media relays. In an embodiment, a media relay receives encrypted first payloads from a first endpoint and encrypted second payloads from a second endpoint as part of a session. The encrypted first payloads require a first key for decryption and the encrypted second payloads requite a second key for decryption. The media relay is preconfigured prior to the session with secrets useable for identifying the first and second keys. The media relay decrypts the first payloads using the first key and decrypts the second payloads using the second key, and transmits the first payloads to the second endpoint and the second payloads to the first endpoint as part of the session.Type: GrantFiled: September 15, 2016Date of Patent: July 9, 2019Assignee: Nagravision S.A.Inventors: Jean-Baptiste Fouet, Laurent Gauteron
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Patent number: 10334308Abstract: Example embodiments provide systems and methods for dynamically creating intuitive favorites for a user. The system and methods include monitoring actions performed, by the user at a digital receiver, with respect to a plurality of content programs. The actions performed with respect to the plurality of content programs are analyzed. The analysis includes comparing a level of the actions with respect to a first content program of the plurality of content programs with a threshold. Based on the comparing indicating that the first content program is a favorites, an indication that the first content program is a favorites content program is stored to a data store.Type: GrantFiled: February 13, 2018Date of Patent: June 25, 2019Assignee: NAGRAVISION S.A.Inventors: Amudha Kaliamoorthi, Dharmveer Lakshmi Sharan Lal
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Publication number: 20190191358Abstract: In order to validate the location of a user, it is proposed a method to validate a location of a user using an Internet service of a service provider, said user having a mobile device registered with a mobile service provider, said method comprising: requesting by the Internet service provider, the location of the user, receiving, via the Internet, from the user, an indicated location of the user, requesting the user to send a message to the Internet service provider with the mobile device, said message comprising data identifying the user, receiving the message by the Internet service provider and determining the mobile service provider of the mobile device, requesting, by the Internet service provider, the mobile service provider to confirm the indicated location for said mobile device using the data of the message, determining, by the mobile service provider the actual location of the mobile device, comparing the actual location with the indicated location, transmitting the result of the comparison to tType: ApplicationFiled: December 19, 2018Publication date: June 20, 2019Applicant: NAGRAVISION S.A.Inventor: Bertrand Wendling
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Publication number: 20190182244Abstract: 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: ApplicationFiled: December 12, 2017Publication date: June 13, 2019Applicants: NAGRAVISION S.A., OpenTV, Inc.Inventors: Pierre SARDA, Didier HUNACEK, John TINSMAN, Philippe STRANSKY-HEILKRON
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Publication number: 20190171468Abstract: 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: ApplicationFiled: August 3, 2017Publication date: June 6, 2019Applicant: NAGRAVISION S.A.Inventors: Alain LE PERLERIN, Pierre SARDA
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Publication number: 20190174180Abstract: A content handling device comprises a plurality of content transformation modules that can define one or more paths from a content source module to a content sink module. The content is associated with one or more usage rules requiring one or more transformations to be applied to the content. To enforce usage rules, each content transformation module is configured to receive the content, apply a transformation to the content in accordance with the usage rules and apply a tagging operation corresponding to the transformation to the content. In some embodiments output of the content by the content sink module is prevented if all tagging operations corresponding to the usage rules have not been applied. While in some embodiments usage rule tags corresponding to the usage rules are embedded locally at the content handling device, the disclosure also extends to a content distribution system with a usage rule tag embedding functionality.Type: ApplicationFiled: May 19, 2017Publication date: June 6, 2019Applicant: NAGRAVISION S.A.Inventor: Christian SCHWARZ
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Publication number: 20190173857Abstract: A utility meter and method for metering consumption of at least one utility including: a metering unit, a communication unit for sending/receiving messages to/from a management center, a memory to store a unique identifier pertaining to the utility meter and a first key, an encryption unit for encrypting the utility consumption as a first cryptogram, a message generator for generating a utility message containing the first cryptogram, a key generator for generating a payload key to be used by the encryption unit for encrypting the utility consumption, a second cryptogram generated by the encryption unit by encrypting the payload key with the first key, the second cryptogram being intended to be included, by the message generator, at least once into the utility message to be sent to the remote management center.Type: ApplicationFiled: January 24, 2019Publication date: June 6, 2019Applicant: NAGRAVISION S.A.Inventors: Corinne Le Buhan, Christophe Nicolas, Joel Conus
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Patent number: 10314216Abstract: The invention relates to a method for fabricating electronic cards by A) forming a plurality of card bodies in the form of a thick sheet with a plurality of electronic units or modules embedded in the sheet; B) printing a plurality of first patterns on a first face of the thick sheet in a printing station where ink is applied on the first face; C) applying a first at least partially transparent coating on each printed first pattern, that adheres to the card body. The method can also include printing a plurality of second patterns on the inner surface of a film forming the first coating. Preferably, the printing of the first patterns is carried out in an offset type station for printing high definition patterns, essentially of the security type. The second patterns define personal data. The printed thick sheet defines an intermediate product according to the invention.Type: GrantFiled: July 6, 2015Date of Patent: June 4, 2019Assignee: Nagravision S.A.Inventor: François Droz
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Patent number: 10303256Abstract: A smart device capable of switching between at least two applications based on the position of the smart device and a method of doing the same is provided.Type: GrantFiled: September 1, 2016Date of Patent: May 28, 2019Assignee: NAGRAVISION S.A.Inventor: Antoine Burckard