Abstract: A security document may include a laserizable first layer including a grayscale image formed by laserizing; a color pattern that is in alignment with the grayscale image; and a second layer arranged between the first layer and the pattern, such that the first layer is above the second layer, and the pattern is below the second layer. The second layer may be more opaque than the first layer, such that when observing the security document from the top, the grayscale image appears to be colored by the color pattern only when the bottom of the security document is being illuminated.

Abstract: The invention proposes a method for the remote control of a locking equipment (2) for a vehicle (20) via a mobile terminal (1) comprising data processing means (11) configured to implement a given cryptographic function and biometric acquisition means (14), the mobile terminal (1) being connected to the locking equipment (2) and to a server (3) via a network (10), the method being characterized in that it comprises the implementation of steps of: (a) Issuing, from the terminal (1) to the server (3), an authentication request to the locking equipment (2); (b) Acquiring a candidate biometric datum by the acquisition means (14); (c) Verifying, by data processing means (31) of the server (3) or the data processing means (11) of the terminal (1), that the candidate biometric datum matches with a reference biometric datum; (d) Transmitting, to the mobile terminal (1) from the server (3), an encrypted form of a virtual key of the locking equipment (2); (e) Authenticating the mobile terminal (1) to the locking equ

Abstract: A method of recognizing individuals by means of at least one processor executing a recognition algorithm comprising the steps of: detecting biometric characteristics of a finger of a candidate for recognition while writing a signature by pressing the finger against a signature surface; encoding both the written signature and also the biometric characteristics in order to form signature data and biometric data of the candidate; and using the algorithm to compare the signature data and the biometric data of the candidate with signature data and fingerprint biometric data belonging to at least one individual and stored on a data medium.

Abstract: A method for producing a security device (1) comprising a first colour pattern (A) visible along an associated viewing axis (??) and at least one second colour pattern (B) visible along an associated viewing axis (??), comprising the following steps:—assembling an image layer (4) suitable for forming at least one colour pattern (A, B) by laser etching, on a support (3),—laser etching the first colour pattern (A) in the image layer (4), along the associated viewing axis (??) of same, in such a way that it can be seen through a lens array (7),—for each of said at least one second colour pattern (B), laser etching said at least one second colour pattern (A) in the image layer (4), along the associated viewing axis (??) of same, in such a way that it can be seen through a lens array (7). A security device (1) obtained by said method.

Abstract: A method identifies a non-identified baggage item based on: acquisition of at least two images of the non-identified baggage of different types, the type of one image of a baggage item dependant on a point-of-view on the baggage in the image and/or on the nature of the data representing the baggage in the image taken among different natures of data comprising data representing the visible range and/or infrared data and/or data representing three-dimensional information; and, for each image type, on use of a neural network suited to the type for classifying the baggage represented by the image in a class of baggage classes defined for the type. Once obtained, the classes allow seeking of baggage corresponding to each class identified in a baggage database. Each baggage item in the database is associated with the baggage addressee. Each corresponding baggage item is compared with the non-identified baggage to identify the addressee.

Abstract: The present invention relates to a method for generating an electronic signature of a document associated with a condensate obtained by a given hash function comprising performing by data-processing means (11b) of a server (10b) of steps of: (a) Receiving said condensate and a zero-knowledge proof of the fact that said condensate is indeed the result of application of said given hash function to said document; (b) Verifying that said zero-knowledge proof is valid; (c) Generating an electronic signature of the document from said condensate.

Abstract: A method of detecting a counterfeit item using a contactless scanner includes contactlessly scanning at least a portion of an item to generate a scanned image of the at least a portion of the item, wherein the at least a portion of the item comprises a graphic, identifying elements in the scanned image that correspond to elements in the graphic, measuring the identified elements to generate a plurality of element measurements, determining whether the item is counterfeit based on a comparison between at least one element measurement of the plurality of element measurements and at least one reference element measurement that is associated with an authentic version of the item, and in response to determining that the item is counterfeit, generating an alert indicating a detection of a counterfeit item.

Abstract: The invention relates to a method for obtaining a program intended to be executed by an electronic device (1), such as a smart card, comprising a non-volatile memory, the process comprising the insertion (E12, E14), in a source code, of a first function at the start of a source code instruction block, and a second function at the end of the source code instruction block, then generation (E16) of the executable program from the source code, wherein the first function is configured to disable a wear-reduction mechanism of the non-volatile memory, when the program is executed by the electronic device, and the second function is configured to enable the wear-reduction mechanism of the non-volatile memory, when the program is executed by the electronic device.

Abstract: The invention relates to a flexible electronic card comprising: a card body (1) comprising an upper surface (11) and a lower surface (12); at least one cavity (13, 13?) formed in the card body emerging from the upper surface; a fingerprint module (2) configured to acquire a fingerprint of a user, the fingerprint module being housed in the cavity (13) and flush with the upper surface of the card body; the fingerprint module (2) comprising a flexible substrate (22) comprising an active part (21), designated capture part, flush with the upper surface of the card body and a microcontroller (23) arranged below the substrate.

Abstract: A method and device for producing a target image having pixels (2) juxtaposed in a substrate (1) presenting thickness and producing an image presenting thickness such that each pixel (2) produces a shadowing effect on its neighboring pixels. The method includes: determining a production setpoint from the target image; and producing an image made by the device using the production setpoint. The determining operation replaces the production setpoint with an improved production setpoint that is determined by modeling the image production device using a transfer function for transforming a production setpoint into a predicted image; and determining an improved production setpoint in which the image produced by the transfer function is as close as possible to the target image, so as to reduce the consequences of the shadowing effect in the resulting image. Also included is the image produced by such a method.

Abstract: Disclosed is a method for managing the connections between a secure element and a server of a communication network, the secure element being incorporated in a host device. The method includes the following steps: —determination of a theoretical time period between two consecutive instants of connection, —determination of a real time period between two consecutive instants of connection between the secure element and the server, —comparison of the determined theoretical time period with the determined real time period, and if the determined theoretical time period is different from the determined real time period: —determination of a new theoretical time period.

Abstract: A method and device for verifying the validity of an electronic document is provided. A device for capturing images and capturing a sequence of images displayed by a device for presenting the electronic document is activated. The sequence of images may include different two-dimensional barcodes displayed successively one after the other, where the two-dimensional barcodes represent a signature of the electronic document and parts of the electronic document. The two-dimensional barcodes are decoded, and the validity of the signature is verified by means of a public key. A message representing the result of the verification is generated.

Abstract: A method for protecting an electronic device executing a program against fault injection and type confusion attacks likely to affect a variable (Z) intended to be used by the program. The method includes calculating integrity check data (X, Y) of variable (Z), dependent on a type (T) of the variable (Z), and a value (V) of the variable (Z) stored in an execution stack (P1) and/or of a first addressing datum (A) stored in a first index register (ind1). The first addressing datum (A) adapted to locate the value (V) stored in the execution stack (storing the integrity check data (X, Y) on the variable (Z) in at least one control stack (P2, P3) different to the execution stack (P1). Storing in a second index register (ind2), a unique second addressing datum (A2) adapted to locate the integrity check data (X, Y) in the or each control stack (P2, P3).

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for obtaining, in real-time from an image capture device, a video stream comprising images of a document by a computing device. The computing device provides, for display in an image preview window, the video stream overlaid with a graphical capture guide. In response to detecting a lighting artifact in at least one image of the video stream, the computing device modifies the graphical capture guide within the image preview window. The computing device captures one or more of the images of the document from the video stream.

Abstract: Disclosed is a method for writing in a non-volatile memory of an electronic entity, the method including the following steps: determining an operational state of the electronic entity; writing a first datum in a first area of the non-volatile memory in case of abnormal operation; writing a second datum in a second area of the non-volatile memory in case of normal operation. The method includes a step for randomly determining a location for the second area from among a plurality of locations for the second area, the writing of the datum in the second area being carried out in the determined location. Also disclosed is a related electronic entity.

Abstract: An authentication method is performed between a first party and a second party. The method includes: i) determining a challenge; ii) sending the challenge to the second party; receiving a response from the second party including a second cryptogram; computing a first cryptogram using the challenge and the key of the first party; determining if the first cryptogram matches the second cryptogram received from the second party. If the first cryptogram does not match the second cryptogram, the method further includes performing a computation using the first cryptogram and the second cryptogram; and comparing a result of the computation with a stored set of results to recover a first data element carried by the second cryptogram.

Abstract: Disclosed is an electronic document, a body of which includes an inlay, a part of which forms a spotface of a cavity, and which includes a connection land formed on the part forming the spotface, and a module of which includes an electrical circuit that includes both a first subcircuit configured to electrically connect a port of a chip to the connection land and a second subcircuit configured to electrically connect the connection land to an external electrical contact land of a carrier of the module.

Abstract: A papillary print sensor comprising in superposition a contact surface to which the print to be imaged is intended to be applied, an array optical sensor and illuminating device. The illuminating device is arranged between the contact surface and a detecting surface of the array optical sensor, and consists of a plurality of organic light-emitting diodes, referred to as OLEDs. Each OLED extends uninterruptedly over more than a third of a width (L1) of the detecting surface, and the OLEDs extend together along one or two series of patterns that are parallel to one another and distributed along the length (L2) of the detecting surface. This configuration of the OLEDs allows in particular the transistors for controlling the OLEDs to be placed off the detecting surface (125).

Abstract: A method of managing profiles in a secure element where the secure element includes an active first profile associated with a first communication network and a second profile associated with a second communication network. The method includes deactivating the first profile and activating the second profile, where the deactivation and the activation are implemented following detection of a failure during a local verification pertaining to the first profile for the use of this the first profile. A local verification may be a verification in the secure element of the authorization of access of a user to the first profile, for example three failures of PIN or PUK code or of biometric authentication data, the local verification being performed in the secure element, and the failure being relative to a security failure of the first profile or to an operating failure of the first profile.

Abstract: Method for detecting attempted fraud by using an artificial material during a biometric acquisition, including: illuminating, with lighting, a surface of an object having a texture, acquiring a first image of the surface; illuminating, with non-uniform lighting, the surface and acquiring a second image of the surface, the non-uniform lighting causing light to diffuse within the illuminated material at an intensity that varies according to a law that is a function of a first position parameter and is invariable along a second position parameter; computing a correction, varying along the first position parameter, that is to be locally applied to the first image to bring the amplitude of the texture on the first image substantially to the level of that on the second image; generating, on the basis of the correction, information relating to the artificial or non-artificial nature of the material.