Abstract: A method of pairing a first item of equipment, termed an initiating equipment desiring to transmit and receive data with a second item of equipment, termed an accepting equipment. The method includes: generating a pairing code; restoring, in the form of a first symbol, the paring code by the accepting equipment; acquiring the first symbol by the initiating equipment; and decoding the first symbol acquired delivering the pairing code.

Abstract: A power supply base for a payment terminal is provided with a housing having an opening for receiving a memory card. The power supply base includes a guide for guiding the payment terminal towards a position wherein it can receive the power supply, the guide including at least one guiding part shaped in such a way as to enable the insertion thereof into the opening of the payment terminal.

Abstract: A method and apparatus for obtaining an encryption key for an item of data transmitted from a client to a server. The method includes: determining a number R of registers available within the client for carrying out a plurality of calculations of encryption keys; determining a maximum number N of iterations necessary for obtaining at least one encryption key at the server; obtaining a structure of data representative of a key calculation state effected within the R available registers; calculating the at least one encryption key as a function: —of the number of available registers R, by performing at most N calls to a pseudo-random function F and —of the data structure; so that the at least one encryption key can be obtained from a combination of at most T=CR+NN?1 encryption keys based on a secret previously shared between the server and client.

Abstract: A cryptographic method is provided of a type with public key over a non-supersingular elliptic curve E, determined by the simplified Weirstrass equation y2=x3+a.x2+b over a finite field GF(3n), with n being an integer greater than or equal to 1. The method includes associating an element t of said finite field with a point P? of the elliptic field. The step of associating includes: obtaining a pre-determined quadratic non-residue ? on GF(3n); obtaining a pre-determined point P=(zP, yP) belonging to a conic C defined by the following equation: a.?.z2?y2+b=0; obtaining a point Q=(zQ, yQ), distinct from the point P belonging to the conic C and a straight line D defined by the following equation: y=t.z+yP?t.zP; obtaining the element ? of GF(3n) verifying the following linear equation over GF(3): ?3??.?=(?2.zQ)/a; and associating, with the element t of the finite field, the point P? of the elliptic curve, for which the coordinates are defined by the pair (?.zQ/?, yQ).

Abstract: A method is provided for multiplexing messages exchanged between a payment terminal and a communication terminal via a connection between the payment terminal and the communication terminal using the iPod Accessory Protocol, iAP. The method includes: an initialization step of initializing an external communication interface with the communication terminal, a first transmission step of transmitting, to the communication terminal, a request for creation of remote virtual channels via the external communication interface; a creation step of creating, within the payment terminal, local virtual channels corresponding to the remote virtual channels; and a second transmission step of transmitting data frames associated with the local virtual channels via the external communication interface.

Abstract: A cable strain relief device is provided, which includes a plate having at least two lateral notches. The lateral notches provide a gripping area for a cable to connect.

Abstract: A system for dynamic pairing between a first peripheral, which can dialogue with a memory card, and a second peripheral, which is connected to a computer. The first peripheral is configured to read the data contained in the memory card, to receive via a first communication channel a first item of information emitted by the second peripheral, and to emit via a second communication channel a second item of information. The second peripheral is configured to emit via the first communication channel the first item of information and to receive via the second communication channel the second item of information. The value of this second item of information conditions the authorization to open a bidirectional communication channel between the first and the second peripherals.

Abstract: A payment device is provided, which is to be paired with a communication device in order to form an electronic payment terminal. The payment device includes an upper half-shell and a lower half-shell, which includes a surface for attaching a modular interface for pairing the communication device and which includes a longitudinally extending slot. The lower half-shell further includes, within the slot, an opening which enables a magnetic reading head to pass therethrough. Beneath the attachment surface, an electronic circuit card is arranged laterally relative to the magnetic reading head such that the electronic circuit card prevents the insertion of a fraudulent device into the payment device.

Abstract: A device is provided for supporting a magnetic reading head. The device includes a guide for guiding and cushioning the reading head. The guide is mounted between a base of the reading head and a bearing surface parallel to the base, and includes at least one part made of a material, the Young's modulus of which is greater than 200 N/mm2.

Abstract: A device is provided for logging data in Braille. The device includes a touch-sensitive surface and is configured to detect a plurality of pressures on the touch-sensitive surface, wherein the plurality of pressures form a Braille character, construct an image formed from the points associated with the plurality of pressures; and recognize the Braille character based on an analysis of the image.

Abstract: A protection device is provided, which includes a detection circuit for detecting a short-circuit between at least two output branches of a magnetic reading head. Each of the output branches is able to convey a signal read by the reading head on a track of a magnetic card and the detection circuit is able to detect a short-circuit during the reading of at least one track of a magnetic card.

Abstract: An electronic payment device is provided, which includes a chip card reader. The device has a housing able to receive and hold a portable telephone, a connector for connection with the portable telephone, and a data processor able to receive information relating to a payment and to exchange data with a remote server via a telephone communication implemented by said portable telephone.

Abstract: A method for controlling a pointer having a position determined by the position of at least one end of a member on a touch screen. An offset is inserted between the position of the pointer and that of the end of the member for driving movements of the pointer such that the end does not have to cover an object displayed on the screen in order to effectively select the object.

Abstract: A device is provided for protecting an electronic printed circuit board. The device includes at least one zone of conductive contact between the printed circuit board and an element for securing the printed circuit board. The device also includes at least one elevating pad for elevating the at least one zone of conductive contact. The element for securing comes into contact with the zone of conductive contact of the printed circuit board by means of a zone of conductive contact of the elevating pad.

Abstract: A portable device is provided, which includes a touch screen and at least one area bearing reference information, referred to as a reference area, which can be identified by detecting a variation in the surface state on the device.

Abstract: A method and apparatus are provided for biometric authentication of a user to be authenticated, from among a plurality of users, with an authentication system storing a set of pieces of reference biometric data, each associated with one of the users. The method includes providing, by the user to be authenticated, a piece of biometric authentication data by a device for obtaining biometric data from a transactional terminal. A subset of the set of pieces of reference biometric data stored by the authentication system is searched for a piece of reference biometric data corresponding to the user to be authenticated as a function of the piece of biometric authentication data. The step of searching includes filtering the pieces of reference biometric data as a function of: a base station of a mobile communications network; and a set of mobile devices for which a connection indicator is activated for the base station. The transactional terminal is substantially near a zone of coverage of the base station.

Abstract: A method and apparatus are provided for electronically authenticating a handwritten signature of a user, entered on a writing surface via a writing instrument. The method includes acquiring, by the writing surface, at least one instant during the entering of the signature, of at least one piece of data representing the altitude z of the writing instrument relative to the writing surface, in an area of proximity to the writing surface; and authenticating the entered handwritten signature by taking account of at least the altitude z.

Abstract: A device is provided for protecting an electronic payment terminal that includes an electronic printed circuit board and a casing. The device includes at least one capacitive detector in a volume formed by a first ground plane of the printed circuit and a second ground plane positioned on an internal surface of the casing, the at least one capacitive detector being configured to deliver a reference capacitance. A capacitive measurement microprocessor detects a variation of capacitance of the at least one capacitive detector. A transmitter transmits the variation when an absolute value of a difference between the reference capacitance and the measured capacitance exceeds a predetermined threshold.

Abstract: A device is provided for protecting an electronic payment terminal. The device includes at least one capacitive detector placed between a lower mechanical supporting element of a keypad of the terminal and an upper mechanical supporting element of the keypad of the terminal. The at least one detector is configured to deliver a reference capacitance. A capacitive measurement microprocessor is electrically connected to the at least one capacitive detector and configured to detect a variation of capacitance of the at least one capacitive measurement support. A transmitter is configured for transmitting a piece of information representing the capacitive variation, when an absolute value of a difference between the measured capacitance and the reference capacitance exceeds a predetermined threshold. The capacitive detector is conformed so that it extends between holes of the lower mechanical supporting element.

Abstract: A device is provided for protecting an electronic payment terminal, which includes at least one printed circuit and one casing. The device includes at least one capacitive detector having a first part electrically connected to the printed circuit and a second part mounted within the casing of the electronic payment terminal without being electrically connected to the first part. The at least one capacitive detector is configured to deliver a reference capacitance when it is mounted in the electronic payment terminal. The device also includes a capacitive measurement microprocessor electrically connected to the at least one capacitive detector and configured to detect a variation in capacitance of the at least one capacitive detector. The device includes a transmitter for transmitting a piece of information representing the variation in capacitance when an absolute value of a difference between the measured capacitance and the reference capacitance exceeds a predetermined threshold.