Patents by Inventor Jean-Luc Grimault
Jean-Luc Grimault has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10382954Abstract: A system for providing a service to the user of a mobile terminal. The system includes: an entity capable of generating an electronic ticket including identification data of the service and a public key of the mobile terminal complementary to a private key of the mobile terminal stored in a secure element of the mobile terminal; a module for delivering the ticket to an application of the mobile terminal running outside the secure element; a module capable of receiving the electronic ticket from the mobile terminal via short-distance communication channel; and a module capable of authenticating the mobile terminal from the public key of the mobile terminal and a challenge implementing the private key of the mobile terminal.Type: GrantFiled: December 16, 2014Date of Patent: August 13, 2019Assignee: ORANGEInventors: Jean-Luc Grimault, Franck Grupeli
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Patent number: 10090997Abstract: The invention relates to a method for generating an authentication key in a security module which stores a first root key (K_root_A) shared with a first network entity, the method including the following steps: sending a transfer request to a second network entity, receiving a first secret (S_b1) from the second network entity, generating a secret generation key (Kb1) from the first root key and from the first secret, receiving from the second network entity a second secret (S_b2) and an authentication message of the second secret calculated by means of the secret generation key transmitted to the second network entity by the first network entity, verifying the authentication message by means of the secret generation key, generating a second root key (K_root_B) if the verification is positive, said second root key being generated from the second secret (S_b2) and from the secret generation key (Kb1), and used to generate an authentication key to access a network of the second network entity.Type: GrantFiled: June 27, 2014Date of Patent: October 2, 2018Assignee: ORANGEInventors: Jean Luc Grimault, Said Gharout
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Publication number: 20170286873Abstract: A method for providing an electronic ticket by a security element associated with a mobile terminal. The ticket is stored in the mobile terminal and designed to access a service via an access control device. The method includes the following acts by the security element: receiving the electronic ticket originating from the mobile terminal; temporarily storing the electronic ticket in the security element; providing the electronic ticket for the access control device; authenticating taking into account at least one item of data contained in the ticket and one item of data linked to the security element; and deleting the ticket from the memory of the security device.Type: ApplicationFiled: September 1, 2015Publication date: October 5, 2017Inventors: Jean-Luc Grimault, Jean Lemauviel, Franck Grupeli
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Patent number: 9602333Abstract: A DNS server (110) and to a method of managing a DNS request, the method comprising receiving (E2) a DNS request for accessing a remote application (104B) accessible via a gateway (106B) and sending (E3) a DNS response including the IP address of the gateway (106B), the method further comprising a verification for determining whether a port range identifier is stored in the DNS server (110) in association with the IP address of the gateway (106B), and if so, the identifier is inserted in the DNS response before sending the DNS response. The invention also provides a method of transmitting data from a first gateway (106A) to a second gateway (106B), a method of transmitting data from a gateway (106B) to a server (102B) of a local network (LAN_B), and the gateways (106A, 106B) for performing such methods.Type: GrantFiled: March 22, 2011Date of Patent: March 21, 2017Assignee: France TelecomInventors: Jean-Luc Grimault, Mohammed Kassi Lahlou
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Publication number: 20160309327Abstract: A system for providing a service to the user of a mobile terminal. The system includes: an entity capable of generating an electronic ticket including identification data of the service and a public key of the mobile terminal complementary to a private key of the mobile terminal stored in a secure element of the mobile terminal; a module for delivering the ticket to an application of the mobile terminal running outside the secure element; a module capable of receiving the electronic ticket from the mobile terminal via short-distance communication channel; and a module capable of authenticating the mobile terminal from the public key of the mobile terminal and a challenge implementing the private key of the mobile terminal.Type: ApplicationFiled: December 16, 2014Publication date: October 20, 2016Inventors: Jean-Luc Grimault, Franck Grupeli
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Publication number: 20160164673Abstract: The invention relates to a method for generating an authentication key in a security module (10) which stores a first root key (K_root_A) shared with a first network entity (MNOA), the method including the following steps: sending (E0, E0?) a transfer request to a second network entity (MNOB), receiving (E5, E10?) a first secret (S_b1) from the second entity, generating (E8, E11?) a secret generation key (Kb1) from the first root key and from the first secret, receiving (E13, E10?) from the second entity a second secret (S_b2) and an authentication message of the second secret calculated by means of the secret generation key transmitted to the second entity by the first entity, verifying (E14, E12?) the authentication message by means of the secret generation key, generating (E15, E13?) a second root key (K_root_B) if the verification is positive, said second root key being generated from the second secret (S_b2) and from the secret generation key (Kb1), and used to generate an authentication key to accessType: ApplicationFiled: June 27, 2014Publication date: June 9, 2016Inventors: Jean Luc Grimault, Said Gharout
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Patent number: 9019965Abstract: A data packet routing system is provided wherein: at least one terminal belonging to a private IPv4 network is connected to a gateway itself connected to an IPv6 network; at least one interface device at the interface between said IPv6 network and a public IPv4 network implements a translation function comprising exchanging a private IPv4 address with a public IPv4 address. The gateway allocates to the terminal an IPv6 address by providing an IPv6 prefix with the private IPv4 address of the terminal in its private IPv4 network; said gateway verifying whether IPv4 address conflict exists, and if IPv4 it does exist, for replacing said private IPv4 address locally with a substitute private IPv4 address. A method is provided that routes an IPv4 data packet sent by a source terminal belonging to a first IPv4 domain via an IPv6 domain to a destination terminal belonging to a second IPv4 domain.Type: GrantFiled: October 20, 2010Date of Patent: April 28, 2015Assignee: OrangeInventors: Mohammed Kassi Lahlou, Jean-Luc Grimault
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Patent number: 8451844Abstract: A method of receiving a data packet from an IPv4 domain in an IPv6 domain, the data packet comprising an IPv4 destination address and a destination port number. The method comprises the following steps: constructing an IPv6 destination address by concatenating an operator prefix, the IPv4 destination address, and the destination port number; generating an IPv6 data packet from the IPv6 constructed destination address and the received IPv4 data packet; and routing the generated IPv6 data packet in the IPv6 domain using the IPv6 constructed destination address, the constructed address belonging to a range of IPv6 addresses routable to an interconnection equipment of the IPv6 domain with the IPv4 destination address.Type: GrantFiled: June 16, 2009Date of Patent: May 28, 2013Assignee: France TelecomInventors: Mohamed Boucadair, Jean-Luc Grimault
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Patent number: 8451845Abstract: A method of receiving an IPv6 data packet in an IPv6 domain connected to an IPv4 domain, said packet comprising an IPv6 destination address and an IPv6 source address. The method comprises the following steps: identifying an IPv6 destination address constructed by concatenating an operator prefix, an IPv4 destination address, and a destination port number; if necessary, regularizing at least one address of the data packet and modifying the data packet; and routing the modified data packet to its destination.Type: GrantFiled: June 26, 2009Date of Patent: May 28, 2013Assignee: France TelecomInventors: Mohamed Boucadair, Jean-Luc Grimault
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Publication number: 20130013739Abstract: A DNS server (110) and to a method of managing a DNS request, the method comprising a step (E2) of receiving a DNS request for accessing a remote application (104B) accessible via a gateway (106B) and a step (E3) of sending a DNS response including the IP address of the gateway (106B), the method further comprising a verification step for determining whether a port range identifier is stored in the DNS server (110) in association with the IP address of the gateway (106B), and if so, a step of inserting the identifier in the DNS response before sending the DNS response. The invention also provides a method of transmitting data from a first gateway (106A) to a second gateway (106B), a method of transmitting data from a gateway (106B) to a server (102B) of a local network (LAN_B), and the gateways (106A, 106B) for performing such methods.Type: ApplicationFiled: March 22, 2011Publication date: January 10, 2013Inventors: Jean-Luc Grimault, Mohammed Kassi Lahlou
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Publication number: 20120207168Abstract: A data packet routing system is provided wherein: at least one terminal belonging to a private IPv4 network is connected to a gateway itself connected to an IPv6 network; at least one interface device at the interface between said IPv6 network and a public IPv4 network implements a translation function comprising exchanging a private IPv4 address with a public IPv4 address. The gateway allocates to the terminal an IPv6 address by providing an IPv6 prefix with the private IPv4 address of the terminal in its private IPv4 network; said gateway verifying whether IPv4 address conflict exists, and if IPv4 it does exist, for replacing said private IPv4 address locally with a substitute private IPv4 address. A method is provided that routes an IPv4 data packet sent by a source terminal belonging to a first IPv4 domain via an IPv6 domain to a destination terminal belonging to a second IPv4 domain.Type: ApplicationFiled: October 20, 2010Publication date: August 16, 2012Applicant: France TelecomInventors: Mohammed Kassi Lahlou, Jean-Luc Grimault
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Patent number: 8122103Abstract: A method is provided for controlling, via a mobile terminal, a multimedia device for playing back and/or storing multimedia contents, the mobile terminal and the multimedia device being connected to a communications network. The method includes the following steps: the mobile terminal sends to a remote server, via the communications network, at least one request for activating a functionality on the multimedia device; the remote server translates this at least one request made by the mobile terminal into at least one query and transmits this at least one query to the multimedia device via the communications network, and; the multimedia device receives and executes this at least one query.Type: GrantFiled: July 28, 2006Date of Patent: February 21, 2012Assignee: France TelecomInventors: Jean-Luc Grimault, Olivier Normand, Aline Vongphouthone
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Publication number: 20110110375Abstract: A method of receiving an IPv6 data packet in an IPv6 domain connected to an IPv4 domain, said packet comprising an IPv6 destination address and an IPv6 source address. The method comprises the following steps: identifying an IPv6 destination address constructed by concatenating an operator prefix, an IPv4 destination address, and a destination port number; if necessary, regularizing at least one address of the data packet and modifying the data packet; and routing the modified data packet to its destination.Type: ApplicationFiled: June 26, 2009Publication date: May 12, 2011Applicant: FRANCE TELECOMInventors: Mohamed Boucadair, Jean-Luc Grimault
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Publication number: 20110110374Abstract: A method of receiving a data packet from an IPv4 domain in an IPv6 domain, said data packet comprising an IPv4 destination address and a destination port number. The method comprises the following steps: constructing an IPv6 destination address by concatenating an operator prefix, said IPv4 address, and the destination port number; generating an IPv6 data packet from the IPv6 constructed destination address and the received IPv4 data packet; and routing the generated IPv6 data packet in the IPv6 domain using the IPv6 constructed destination address, said constructed address belonging to a range of IPv6 addresses routable to an interconnection equipment of the IPv6 domain with the IPv4 destination address.Type: ApplicationFiled: June 16, 2009Publication date: May 12, 2011Applicant: FRANCE TELECOMInventors: Mohamed Boucadair, JEAN-LUC GRIMAULT
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Patent number: 7567798Abstract: The system enables a user of mobile terminal (T1) to store and access to numerous multimedia files with no limit on size relative to the capacities of his mobile terminal. A sorting centre or a web server (CTM, SW) detects a multimedia file (FM) in a message (MT2) transmitted by a second terminal (T2) in order to extract therefrom an address (AT1) of the mobile terminal, a text block (BT) and a detected multimedia file (FM). A storing space (SSM) stores the extracted multimedia file in corresponding relationship with the extracted address (AT1). The sorting centre or a web server establishes a notification command (CN) including the address (AT1) and the text block (BT). A notification server (SN) transmits a storage notification (NSFM) including the text file (BT) to the terminal (T1).Type: GrantFiled: September 8, 2004Date of Patent: July 28, 2009Assignee: France TelecomInventors: Jerome Brunel, Jean-Luc Grimault, Olivier Magnon
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Publication number: 20080228854Abstract: A method is provided for controlling, via a mobile terminal, a multimedia device for playing back and/or storing multimedia contents, the mobile terminal and the multimedia device being connected to a communications network. The method includes the following steps: the mobile terminal sends to a remote server, via the communications network, at least one request for activating a functionality on the multimedia device; the remote server translates this at least one request made by the mobile terminal into at least one query and transmits this at least one query to the multimedia device via the communications network, and; the multimedia device receives and executes this at least one query.Type: ApplicationFiled: July 28, 2006Publication date: September 18, 2008Inventors: Jean-Luc Grimault, Olivier Normand, Aline Vongphouthone
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Patent number: 7194081Abstract: This invention relates to user access device to intelligent services of an intelligent network (IN) comprising a service control point (2) that communicates with at least one group of physical entities (4, 6, 8) designed to provide at least one initial service element, and with several auxiliary platforms (10i) designed to provide users with additional service elements for completing the initial service element. According to the invention, the device also comprises a communication interface (12) that allows an auxiliary platform (10i) to send the service control point (2) service element execution queries in real time, and receive the data for executing these additional services from this service control point (2) as a response.Type: GrantFiled: October 31, 2001Date of Patent: March 20, 2007Assignee: France TelecomInventors: Thierry Boussageon, Thibaut Feuillet, Jean-Luc Grimault, Dominique Kergutuil, Thierry Morel
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Publication number: 20070026849Abstract: The system enables a user of mobile terminal (T1) to store and access to numerous multimedia files with no limit on size relative to the capacities of his mobile terminal. A sorting centre or a web server (CTM, SW) detects a multimedia file (FM) in a message (MT2) transmitted by a second terminal (T2) in order to extract therefrom an address (AT1) of the mobile terminal, a text block (BT) and a detected multimedia file (FM). A storing space (SSM) stores the extracted multimedia file in corresponding relationship with the extracted address (AT1). The sorting centre or a web server establishes a notification command (CN) including the address (AT1) and the text block (BT). A notification server (SN) transmits a storage notification (NSFM) including the text file (BT) to the terminal (T1).Type: ApplicationFiled: September 8, 2004Publication date: February 1, 2007Applicant: FRANCE TELECOMInventors: Jerome Brunel, Jean-Luc Grimault, Olivier Magnon
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Patent number: 6973168Abstract: A method of identifying a caller with a telephone service operator. Of the invention, said method comprises the following steps: for the operator, drawing up a list of literal expressions and allocating the caller an identifier consisting of a combination of consecutive literal expressions taken from each of said lists, for the caller, connecting to said telephone service and speaking, in order, each literal expression of said combination, and for the operator, identifying the caller by using voice recognition to search for the combination of literal expressions allocated to the caller. Application to secure access to telephone services.Type: GrantFiled: July 25, 2001Date of Patent: December 6, 2005Assignee: France TelecomInventors: Delphine Charlet, Thibaut Feuillet, Jean-Luc Grimault, Thierry Morel
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Publication number: 20040022374Abstract: A method of identifying a caller with a telephone service operator. Of the invention, said method comprises the following steps: for the operator, drawing up a list of literal expressions and allocating the caller an identifier consisting of a combination of consecutive literal expressions taken from each of said lists, for the caller, connecting to said telephone service and speaking, in order, each literal expression of said combination, and for the operator, identifying the caller by using voice recognition to search for the combination of literal expressions allocated to the caller. Application to secure access to telephone services.Type: ApplicationFiled: July 24, 2003Publication date: February 5, 2004Inventors: Delphine Charlet, Thibaut Feuillet, Jean-Luc Grimault, Thierry Morel