Abstract: A smartcard (1) includes: a first and a second microprocessor (110, 210), elements for receiving (14) commands each coming from a first or a second communications channel external to the card (1) and for transmitting the received commands to the first microprocessor, characterized in that the first microprocessor includes elements for determining (706) whether a received command has been received on the second communications channel so as to transmit (708) the received command to the second microprocessor (210) in the case of a positive determination. Notably, the determination can be carried out by detecting an electrical contact of the communications interface of the card, over which the command is received. Application of the invention to a card having a second microprocessor for executing a highly securitized application, of the banking transaction type, and a first less securitized application, of the mobile telephony application type.

Abstract: The electronic component comprises: reference-obtaining means for obtaining a physical magnitude referred to as a reference magnitude, which magnitude is dynamically adjustable and representative of the expected activity of said component; comparator means suitable for comparing said reference magnitude with a magnitude of the same type representative of the real activity of said component; and detector means suitable for detecting an attack as a function of the result of said comparison.

Abstract: A dual communication fob assembly provided with an attachment area for a ring or a chain and including in combination: an insert including a first contactless communication device; and a base with a pocket in the base for holding at least a part of the insert when inserted therein and being provided with a second contactless communication device which is electrically separate from the first contactless communication device.

Abstract: Method for mounting an electronic component, such as a silicon chip, on a support which consists in: providing an electronic component (40) having connection pads, whereof one predetermined pad (41A) is provided with a bump (42); providing a support having (30) to the predetermined pad via the bump; aligning the predetermined pad provided with the bump with the terminal; contacting the bump and the terminal and assembling them in specific temperature and pressure conditions. Prior to contacting and fixing the bump and the terminal, the surface of the terminal is covered with an insulating layer (32), the insulating layer being a material selected so as to be traversed by the bump in the temperature and pressure conditions.

Abstract: The light-emitting diode is provided with a lid and is capable of emitting a first predefined color. The card further comprises a near field communications antenna circuit, the circuit and the diode being configured so that the diode emits light when a current of predefined intensity flows in the circuit. More particularly, the lid of the diode is coated with a mass of material forming means for selecting a set of wavelengths from those making up the first color so that the light transmitted through the mass has a second predefined color different from the first color.

Abstract: A microcircuit card (31) comprising a microcircuit and a card body, characterized in that this card body is formed of a base (10) in which is formed a cavity provided with a bottom and an internal part fixed in the cavity and to which the microcircuit is joined, the internal part and the microcircuit (12) together constituting at least a part of a second microcircuit card (11) including at least a part of the body of said second card.

Abstract: One component is provided with an electrical connection wire and the other component is provided with an electrical connection pad. The process includes a wire routing step along at least one out-and-back path so as to form at least first and second rectilinear portions on the outward and return paths while running through at least one loop connecting the two portions. In addition, the process includes a step for attaching the wire to the pad at at least one electrical conduction point in such a way that each of the rectilinear portions is connected to the pad.

Abstract: The invention relates to a flexible data support, comprising a support with at least first and second sheets (11, 12A, 12B, 12C) which can pivot relative to each other about an axis (P) along the edges of said sheets and a contactless chip housed in said support and comprising an electronic circuit (IC) and coupling elements (A1, A2) connected to said electronic circuit distributed about the first and second sheets which may be electromagnetically coupled to an external reading station. The electronic circuit comprises an information exchange section for exchange of information with the exterior, characterised in that said support is provided with a test device for verification by means of signals emitted by the coupling elements of a geometrical condition of the angular configuration of the first and second sheets and to generate, as function of the result of said test, a signal authorizing or preventing the activation of the exchange section of the electronic circuit.

Abstract: A secure electronic entity comprising a support and a microcircuit having an active surface which is at least partially covered by a resin, wherein at least one distinct element masks the active surface in an at least partial manner, characterized in that the element (13) is joined to the resin (16) in a more resistant manner than to the support (11).

Abstract: An electronic entity includes an electronic circuit (21) having at least one first terminal (22) and a second terminal (24) to which an antenna is connected. The antenna includes a conducting element (26) electrically connected to the first terminal (22) of the electronic circuit (21) and includes a resonator (28) insulated from the conducting element (26) at the antenna, electrically connected to the second terminal (24) of the electronic circuit (21) and coupled to the conducting element (26).

Abstract: The microprocessor card includes a first microprocessor and a second microprocessor, the first microprocessor including elements for commanding the second microprocessor. In embodiments, the card includes electrical contacts adapted to carry command signals, these electrical contacts being connected exclusively to the first microprocessor. In embodiments, the first microprocessor includes elements for commanding the second microprocessor via commands conforming to the ISO 7816 standard. The first microprocessor uses a lower level of security than the second microprocessor.

Abstract: A method for protecting an electronic entity with encrypted access, against DFA (Differential Fault Analysis) attacks which includes: storing the result of a selected step (Rm, Kn) of an iterative process forming part of the cryptographic algorithm and in performing once more at least part of the steps of the iterative process up to a new computation of a result corresponding to the one which has been stored, comparing the two results and denying distribution of an encrypted message (MC) if they are different.

Abstract: Techniques for providing cost effective and tamper evident prepaid card packaging are described. By forming a cutout in a panel of the prepaid card packaging, covering the cutout with a material such as red glassine, and aligning an activation bar code or other indicia on the card with the cutout when mounting the card within the packaging, the security of the activation indicia can be better maintained. After purchase, the bar code can be scanned through the red glassine but prior to purchase, the red glassine prevents photocopying.

Abstract: Techniques for providing cost effective and tamper evident prepaid card packaging are described. By forming a tear strip in a panel of the prepaid card packaging and aligning an activation bar code or other indicia on the card with the tear strip when mounting the card within the packaging, the security of the activation indicia can be maintained until after purchase. After purchase, access can be achieved by tearing away the tear strip and the card can be activated in a secure manner. Because the activation indicia is maintained secure until after purchase, if desired a single number, for example, a card account number can be used to identify both the card account and to activate the card.

Abstract: The invention concerns a microcircuit card comprising means (RX) for receiving a command and means for modifying at least one performance of the card capable of being implemented after a step of personalization of the card.

Abstract: A method for production of a microcircuit card, includes the production of a card with electronic component connector pins for an electronic component within the thickness thereof and provided with a cavity with a base and defined by a slope on which the connector pins are arranged and production of a module including a support film with external contacts on an external face thereof and internal contacts on an internal face thereof. An anisotropic flexible conducting adhesive is then applied to the periphery of the internal face of the film, a resin more rigid than the adhesive is introduced into the cavity of the body, the module is inserted into the cavity such that the anisotropic adhesive is located opposite the periphery of the slope of the cavity, the anisotropic adhesive is thermally activated under pressure and the resin polymerized.

Abstract: A portable electronic device with a USB connector comprises a card body obtained according to the chip card technology, with at least one slender hinge (2) going from one edge to another of the card body allowing a 180° folding, and a contour of the card body such that, in the closed folded state, a zone f supporting the USB sticker has the standard thickness eu and width wu of a male USB connector. Preferably the card body is an ISO 7816 standard card body, incorporating a corresponding connection sticker v2, and it comprises two slender hinges 2 and 3 dividing the card body into a central portion A and two lateral portions B and C. The hinges may advantageously be positioned so as to incorporate an antenna and/or a magnetic strip.

Abstract: A portable electronic device comprises an antenna ANT connected to an integrated circuit CI, allowing the establishment by the integrated circuit of near-field contactless communications with an external system. The antenna comprises several windings E1, E2 linked together by current-conducting means. Each winding has its ends connected to connection terminals of a circuit. The antenna then comprises, at the minimum, a winding E1 connected to the terminals for connection to the integrated circuit CI able to establish contactless communications with an external system, and a winding E2 connected to the terminals for connection to a peripheral component CP1, which can comprise one or more circuits connected in series, and which is powered remotely by the antenna.

Abstract: Techniques for providing cost effective and tamper evident prepaid card packaging are described. By containing a relatively wide glued area by gluing two relatively tin side panels together, the resulting package is highly resistant to being slit open on an edge without the effort to open the package being highly evident. A foldover magnetic stripe panel provides additional thickness to a portion of the package typically read by a magnetic strip reader while allowing very thin side panels.

Abstract: A calculation unit in which the inverse of an integer modulo a large number is determined provides a series of binary numbers prime with the large number, divides those numbers into two groups at random, and effects the products of the numbers of each group.