Abstract: An aim of this invention is to eliminate the risks of aggression “DPA of the n order” attacks, for all n values, of cryptography electronic assemblies or systems with a secret or private key. The process according to this invention concerns a securing process for an electronic system using a cryptographic calculation procedure using a secret key. The process consists of masking intermediate results in input or output of at least one critical function for the said procedure.

Abstract: The invention concerns an electronic component designed to implement a secret key cryptographic algorithm of the type comprising a microprocessor and storage units, characterized in that it comprises generating means for generating by themselves said secret key.

Abstract: A method for monitoring a number of terminals, particularly parking meters, in which at least first and second adjacent terminals are able to communicate with each other and with a monitoring center, comprises a monitoring protocol according to which the first and second terminals must call each other and, if no call and/or reply is received from the second terminal, the first terminal calls the monitoring center to inform it of an abnormal situation concerning the second terminal.

Abstract: The invention concerns a method for managing vehicle pay parking, using at least a time recording machine connected to a parking server. The invention is characterised in that since said time recording machine and mobile telephones are quipped with short-distance communication means: a user, provided with at least one of said mobile telephones, transmits to the time recording machine at least: data concerning the user's identity, data concerning parking time; the time recording machine supplies to means controlling parking authorisation, at least data concerning parking time; the time recording machine supplies to the parking server, said data concerning the user's identity and the specific parking fee to be paid, at least, based on data concerning parking time, to charge the user.

Abstract: An identity module is activated in the following manner. A customization center stores an initial identity code in the identity module and communicates the initial identity code to a network management system. A distributor assigns a communication address to the identity module and communicates the communication address together with the initial identity code to the network management system. The identity module contacts the network management system via a communication device, whereby the network management system receives the initial identity code together with the communication address. The network management system recognizes the initial identity code together with the communication address and, in response, assigns an effective identity code to the identity module. Subsequently, the network management system sends a message to the communication device. This message comprises the effective identity code.

Abstract: The invention concerns a method of manufacturing a module intended to create a portable object with chip and antenna. The portable object comprises an antenna and a chip placed on an insulating substrate. The antenna comprises a plurality of turns. The method comprises a first step in which an insulating substrate with at least one side is provided. The method is characterised in that it further comprises a second step in which an individual housing opening in the said side is made for each of the said turns and a third step in which said antenna comprising a plurality of turns is made by placing a conducting material in each individual housing.

Abstract: The invention concerns an anti-pirate method for the distribution of digital content by pro-active diversified transmission, associated transmitter device and portable receiving object. The method, designed to make the same information (Kc) available to several receivers (1) belonging to a group (G) of receivers, each receiver storing information (SAi) specific to it, is characterised in that it includes the following steps: define a relation Kc=f(K, bi, SAi) where (f) is a given function, (K) is information common to all the receivers, and (bi) is information different for each receiver and for each value of the information (K);- enable each receiver to access information (bi) before making (Kc) available; and transmit the information (K) to all receivers, just before making (Kc) available; so that each receiver can calculate information (Kc) using said relation.

Abstract: The solution concerns a method to query a relational database stored on a computer comprising a microcontroller, said database comprising at least a table composed of columns and rows including data accessible via a cursor. The method includes the following steps: Before executing the cursor, declare a cursor by systematically selecting all columns in the table concerned by the cursor, execute the cursor, after execution, select columns using a SEARCH command capable of selecting columns in the cursor result.

Abstract: A method of manufacturing an electrical device that is electrically and mechanically connectable to another electrical device, the electrical device having a face equipped with contact pads, wherein the method includes: a layer-application step in which an adhesive layer is applied on the face equipped with contact pads, the adhesive layer being composed of a substance with adhesive properties; an opening-creation step in which an opening is created through the adhesive layer at the level of a contact pad; an opening-filing step in which the opening is filled with a conductive material so that the opening is substantially filled with the conductive material so as to form a conductive path the volume of which is defined by the opening.

Abstract: The invention concerns a microcontroller (30) intended to be incorporated in a portable object (1) of type smartcard, including at least: a contact stud (VCC) to supply the said microcontroller (30) with current; a data input and/or output contact stud (I/O); an efficient data processing part (?CE); and confidential information. According to the invention, the microcontroller also includes: means (GEN, CAP, COM) to vary the supply voltage of the efficient data processing part (?CE), the said means being able to secure the said confidential data against current attacks.

Abstract: A portable article of the smart card type and a method of transmitting data to such an article. The article comprises an article body and an integrated circuit chip. The integrated circuit chip comprises a central processor unit (CPU) connected via a data and address bus to memories (ROM, RAM, EEPROM), and at least four contact pads (VCC, GND, RST, VPP, CLK, I/O, D+, D?) connected to four contact areas (C1, C5, C4, C8) of a set of at least six contact areas flush with the surface of the card body. Two of the contacts pads (D+, D?) are connected to an interface of the card and are suitable for providing data transmission handled by the central processor unit (CPU) such as for transmitting data using the universal serial bus (USB) protocols and formats.

Abstract: The invention involves a card, including a card body including at least three laminated plastic layers directly superimposed on each other, a second layer being a layer in polyethylene terephthalate glycol placed between a first layer and a third layer, the first layer and third layer being of a chemical nature different from that of said second layer, and an electronic module being incorporated in a cavity of the card body, the module including an integrated circuit, where the thickness of the second layer is of the same order of magnitude as that of the first and third layers, and wherein the cavity extends into the second layer from the first layer.

Abstract: An antenna for an integrated circuit card includes a conductive track (2) forming at least one turn and having ends (3) comprising conductive layers forming connection terminals (4), the connection terminals (4) being perforated. An integrated circuit card is provided that includes such an antenna.

Abstract: The invention concerns a method to authenticate the result of executing a command in a token connected to a terminal, the terminal including a communication device to send information to a user of the token, the token transmitting a result to the terminal following the execution. The invention is characterized in that the method includes the steps according to which: a check is carried out to find out whether the command has a sensitive nature, if the command has a sensitive nature, the following steps are carried out, according to which: for any sensitive potential results of the command, at least one item of digitizable information is input via an interface including an input device connected to the token, and the item of digitizable information is transmitted to the token.

Abstract: A system for protecting software that can be executed on a computer machine, the system being of the type in which the software is associated with a memory card for insertion in a reader connected to the computer machine. The software stores a public key, and periodically generates a pseudo-random number. A first algorithm is implemented by using the public key on information received from the reader. The result of implementing the first algorithm is compared with the pseudo-random number. Execution of the software is interrupted in response to such comparison. The card has protected storage means for storing an associated private key and means for implementing a second algorithm using the private key upon receiving information issued by the computer machine, thereby obtaining encoded information. The encoded information is transmitted from the card to the computer machine.

Abstract: Detecting fraud involving use of an asynchronous circuit in the place of a card having an electronic circuit that is synchronous. A given excitation signal is applied to the electronic circuit of the card on power-up, a response pattern supplied by the circuit is recorded, the response pattern is compared with a reference pattern corresponding to the response expected from the electronic circuit to said excitation signal, and fraud conducted by means of an asynchronous circuit is identified in the event of the comparison being negative.

Abstract: The invention concerns a method for producing a portable object having a card format and comprising:—an object body including a plastic support sheet (12), a plastic incorporation sheet (18), and a first (19) and second (20) external covering sheet; an antenna (11) provided with two antenna terminals (13); and an integrated circuit chip (14) incorporated in an incorporation sheet (18) and electrically connected to the antenna. The method of the invention is characterised in that it comprises stages according to which: the support sheet (12) on which the chip (14) has been mounted with the incorporation sheet (18) so as to obtain a first rolled unit; and in a subsequent stage the first rolled unit is covered with the first (19) and second (20) external covering sheets. The invention can be applied in particular to the production of contactless cards by means of hot rolling.

Abstract: An integrated circuit device has a memory area that includes a data memory. The data memory has a counter element and an indicator element. The counter element counts at least one number of occurrences of events within the device. When the counter element reaches a threshold value, which is indicative of a large maximum number of occurrences of the events, the indicator element goes from a first state to a second state.

Abstract: This invention concerns a card with a plastic card body (2) and a snap-off module (3) held to the said card body (2), by three ties (12, 13, 14), this snap-off module (3) including, firstly, a substantially rectangular thin plastic body (4) of which one edge (6) in the corner is cut so as to form a means of foolproofing and, secondly, a microcontroller electrically connected to contact pads (5) flush with the surface of the said module (3). The card (1) according this invention is characterized in that a first tie (12) connects the cut foolproofing edge (6) of the module (3) to the card body (2). The invention applies in particular to ISO format smartcards.

Abstract: The invention relates to a portable reader (1). The reader is characterized in that it comprises a part (2) for electric connection to the port of a computer, whereby said part (2) exhibits four conduction lines (8, 9, 10, 11) in addition to a part (4) for the insertion of a module (5) which is removable and which can store confidential information, comprising the body (27) of a plastic module which is substantially parallelepipedal and rectangular whereby the dimensions thereof are 25 mm long, 15 mm wide and 0.76 mm thick, further comprising an integrated circuit chip provided with contact pads which are electrically connected to contact pads (28) which are flush with one of the surfaces of said module, whereby the insertion part comprises a connector which has pins which are electrically connected to the electric connection lines of the reader and, when the module (5) is inserted into said reader (1), to the contact pads (28) of said module (5).