Abstract: The invention concerns a method for establishing a bidirectional communication channel between a server and a secure element cooperating with a terminal in a cellular telecommunication network for exchanging data and commands, the method comprising: a—Sending a first attachment request signaling message from the terminal to the server, the first message comprising a MCC and a MNC of the server, and at least a part of a unique identifier of the secure element, the server being provisioned with the unique identifier; b—Sending from the server to the secure element, in at least a first signaling message: At least a command; A correlation identifier if further messages have to be sent from the secure element to the server; A first payload comprising data; c—Executing at the secure element the command.

Abstract: A buoy includes a surface unit comprising a sealed tank comprising an inflatable bag, a tubular wall of axis z and a bottom, the tubular wall and the bottom delimiting a volume referred to as the inner volume, the surface unit comprising at least one cartridge enclosing a compressed gas that can be released in such a way as to inflate the inflatable bag such that it functions as a float in an operational configuration of the buoy, and the sealed tank comprises a projecting container protruding from the bottom and extending out from the inner volume, from the bottom.

Abstract: A ground based content server transfers content to an aircraft based content server via courier devices that are transported by aircraft passengers. Content files to be delivered to a target aircraft are identified. Courier devices associated with persons scheduled to become passengers on the target aircraft are identified. Each of the content files are divided into content fragments, where the content fragments collectively contain all data necessary for reassembling the content files. The content fragments are distributed from the ground based content server across the courier devices, so that each courier device is distributed one of the content fragments containing data that is at least partially redundant with data contained in one of the content fragments that is distributed to at least one other one of the courier devices and that is not redundant to data contained in other content fragments distributed to still other ones of the courier devices.

Abstract: An underwater vehicle includes a propeller able to propel the vehicle, the vehicle comprising a synthetic aperture sonar comprising a set of at least one physical antenna for receiving acoustic waves, the underwater vehicle comprising a connector able to mechanically couple removably a cable to the vehicle so as to allow the underwater vehicle to be towed by a surface vehicle. The physical receiving antenna comprises a plurality of acoustic sensors, the underwater vehicle comprising an electrical network able to convey electrical power to the receiving antenna, the electrical network being configured so as to have a plurality of states wherein it conveys electrical power to different sets of acoustic sensors containing different respective numbers of acoustic sensors.

Abstract: A method for processing a signal arising from coherent lidar includes a coherent source that is periodically frequency-modulated; a beat signal being generated by photodetector on the basis of the interference between an optical signal that is referred to as the local oscillator having a local oscillator frequency (fOL(t)) and an optical signal that is backscattered by a target illuminated by the lidar, said beat signal being digitized; the local oscillator frequency (fOL(t)) being made up of the sum of a mean value (f0) and of a modulation frequency (fmod(t)) arising from the modulation of the source, the modulation frequency being periodic according to a modulation period (TFO), each period comprising n linear portions having n frequency slopes (?i), respectively, where n is greater than or equal to 2, the method comprising the steps consisting in: complexly modulating the beat signal; complexly demodulating the modulated signal (Smod) by n demodulation frequencies (fdemod(i)) each having a single slope tha

Abstract: A decision aid method for determining an action to be implemented by a given competitive entity in a competitive system comprises the competitive entity and at least one other adverse competitive entity, the competitive entity being able to implement an action from among a set of predefined actions, each action providing a different expected gain as a function of the actions implemented by the adverse competitive entities.

Abstract: The present invention relates to a method to intrinsically protect a computer program having a driving value dedicated to handle sensitive data, said driving value comprising a plurality of N computation units to perform computations using sensitive data and susceptible to let sensitive data leak, each unit having V possible values, said method comprising a step of unrolling k parts of P units, with P>1 and P<N and N?P*k, by rewriting them in an equivalent sequence of computations protecting the sensitive data, said unrolling step resulting in a plurality of V{circumflex over (?)}P possible parts of P units, said method further comprising the step of introducing, in the finally executed computer program, instructions to dynamically execute the driving value by selecting, at end of each executed part, the next part to be executed among the possible parts.

Abstract: Disclosed is a method for generating, from a first electric current having a first frequency, a plurality of second currents each having a second respective frequency component, the method including the following steps: supplying a frequency distributor including a first set of pillars including a layer made from a first magnetic material and having a resonance frequency; exciting each pillar of the first set with an electromagnetic field having the first frequency, the ratio between twice the resonance frequency of each pillar of the first set and the first frequency being equal, to within ten percent, to a first natural integer; and generating, by each pillar of the first set, a second frequency component in the second respective current.

Abstract: An AC/DC converter comprising a set of two rectifying bridges, each rectifying bridge comprising a first output connected to an output terminal of the AC/DC converter by an interphase inductor. The interphase inductor may comprise a magnetic circuit comprising two branches that are substantially parallel and two windings, each winding being wound about one branch selected from the two branches. Each winding may be held away from the magnetic circuit, at every point of the winding, by means of a set of at least one holding block made of a material having an A-scale Shore hardness lower than or equal to 50 and being distant at every point from the branches.

Abstract: In one embodiment, a crypto cloudlet is provided that includes a security wrapper to a virtual machine to guarantee secure Input/Output exchange between a client and one or more cryptographic adaptive services powered by a set of virtual CPUs through a single well defined channel, an adaptive service running in the virtual machine that identifies hardware resources necessary to satisfy a cryptographic demand or request, and an Ethernet interface communicatively coupled to the security wrapper providing network channel services for exchange of cryptographic data and commands. The security wrapper presents to the adaptive services the hardware accelerators exposed by the virtual machine. Other embodiments are disclosed.

Abstract: A synthetic aperture sonar moving along a first axis comprises an emitting device configured to emit, in each ping, at least one acoustic pulse toward an observed zone in a set of sectors comprising at least one sector. The sonar comprises a first physical receiving antenna extending along the first axis allowing measurements of backscattered signals to be acquired and a processing device configured to form, over R pings, for each sector, synthetic aperture beams from measurements of signals backscattered by the observed zone and generated by acoustic pulses emitted in the sector. The sonar comprises at least one gyrometer. The processing device is configured to correct for variations in the movement of the first receiving antenna during the formation of the synthetic aperture beams of the set of sectors by carrying out an autocalibration by intercorrelation of the successive pings.

Abstract: A dual-drive device for sequential scanning includes a moving part comprising a frame and an optical instrument that is positioned on the frame and is rotatable about a first axis with respect to the frame so as to be slowed down or immobilized in a plurality of successive positions about the first axis, a motor configured to set the moving part in rotation about the first axis in a first direction of rotation at a constant speed, the moving part comprising a first actuator positioned on the frame and configured to actuate the rotation of the optical instrument about the first axis with respect to the frame in the first direction of rotation in order to pass from a first position to a successive position from the plurality of successive positions, and in a second direction of rotation, opposite to the first direction of rotation, in order to slow down or immobilize the optical instrument in the successive position.

Abstract: The invention proposes an authentication server of a cellular telecommunication network, the authentication server being arranged for generating an authentication token to be transmitted to a telecommunication terminal, the authentication token comprising a message authentication code and a sequence number, wherein the message authentication code is equal to: MACx=KIdx XOR f1(AMF,SQNx,RAND,K) with KIdx being a key index information in the form of a bias of a MAC equal to: MAC=f1(K,AMF,SQNx,RAND) with f1 being a function, K a key, RAND a random number and SQNx a sequence counter relative to a corresponding key Kx derived from the key K and KIdx, and AMF the content of an authentication management field as defined in 3GPP TS 33.102.

Abstract: The present invention relates to a method to create a trusted NDEF record in an NFC device, comprising the steps of: providing an NDEF application in said NFC device, having a first NDEF record contained in an NFC device, wherein said NDEF application is configured to generate a second NDEF record different from a previous first one, based on data collected, as a result of a detection or upon a receipt of a request of an NFC reader or after collection of new data. The invention also relates to the use of above method to make secure mobile application activations or for realizing a strong customer authentication.

Abstract: A pressure measuring probe, in particular for use in an aircraft is disclosed. In one aspect, the pressure measuring probe includes at least one acquisition tube, including a capability for discharging water and captured crystals contained in the atmosphere, where the discharge capability includes a drainage hole arranged in a rear partition of the tube, in the axis of symmetry thereof and in the flow direction of the flow of air.

Abstract: The invention is a method for handling data in a secure container comprising first and second private keys uniquely allocated to the secure container. The secure container is configured to use the first private key to handle said data in a first operating mode and to use the second private key to handle said data in a second operating mode. The secure container is configured to prevent the update of the first private key after its clearing. The method comprises the step of automatically clearing the first private key in response to a request for enabling a software module in the second operating mode and a step of automatically using the first operating mode by the secure container if the first private key has not been cleared and of automatically using the second operating mode by the secure container if the first private key has been cleared.

Abstract: The present invention relates to a guiding set for radio-electric waves comprising a pair of waveguides made up of a first waveguide and a second waveguide forming successive segments of a same transmission way for the radio-electric waves. The set is characterized in that it further comprises a connecting piece comprising two plates arranged opposite one another while defining an inner space between them, and delimiting means delimiting, in the inner space, a radio-electric wave transmission channel, the transmission channel emerging on the one hand on the first waveguide and on the other hand on the second waveguide.

Abstract: A source for generating ionizing radiation and in particular x-rays, to an assembly includes a plurality of sources and to a process for producing the source. The source comprises: a vacuum chamber; a cathode that is able to emit an electron beam into the chamber; an anode that receives the electron beam and that comprises a target that is able to generate ionizing radiation from the energy received from the electron beam; an electrode that is placed in the vicinity of the cathode and that allows the electron beam to be focused; a stopper ensuring the seal tightness of the vacuum chamber; and a mechanical part that is made of dielectric and that forms a portion of the vacuum chamber; and the stopper is fastened to the mechanical part by means of a conductive brazing film that is used to electrically connect the electrode.

Abstract: The invention relates to a method for verifying a character to be displayed on a screen, compared to a reference character. The character to be displayed and the reference character each comprise at least several characteristic points. The method comprises: a) determining a barycenter of the characteristic points of the character to be displayed, b) computing geometric coordinates of each characteristic point of the character to be displayed in a coordinate system centered on the determined barycenter, and c) computing a deviation between the character to be displayed and the reference character, as a function of the geometric coordinates computed for the character to be displayed and predetermined geometric coordinates for the reference character. The character to be displayed is considered correct only if the computed deviation is below the predetermined threshold.

Abstract: The present invention relates to a method for amending the firmware of a device with limited resources, the device comprises a memory unit, and a firmware amending software, and the firmware comprises: at least two functional components, wherein the first functional component comprises at least one public function, configured to be called by at least one second functional component different from the first functional component, a functional component table, wherein at least one of the functional components is registered, a call dispatch unit, where each call addressing one of the public functions is dispatched, wherein the firmware amendment comprises the steps for the firmware amending software of: storing a new functional component at a memory location of the memory unit, updating the functional component table with the memory location of said new functional component, and handing over control to the firmware.