Abstract: The present invention relates to a driverless vehicle comprising at least two compartments, two opening elements, at least one retractable compartment partition, and an unlocking device comprising an electronic lock for each opening element, which is able to be locked or unlocked depending on the value of an instruction. The vehicle also comprises a control module comprising a sensor for receiving a digital key and an electronic component for authenticating the digital key and generating an instruction signal. The electronic lock comprises means for detecting closure of the opening elements, and the control module comprises digital key generation means able to generate a unique digital key upon each closure of the opening elements, the electronic component being able to authenticate the received digital key through comparison with the generated unique digital key.

Abstract: The invention relates to a locker comprising compartments; one/more compartment separator(s) which could take a first position, so as to separate the compartments, or a second position, so as to assemble the compartments; doors forming access to the compartments, and electronic locks which can lock or unlock the doors according to the value of an instruction; a control module linked to the electronic locks; means for receiving and authenticating a digital key and for generating an instruction signal; means for determining the positions of the separator(s); when it is determined that the compartment separator(s) is/are positioned in the second position, following the authentication of the digital key, the instruction signal is transmitted to all the electronic locks associated with the doors which form access to the compartments arranged on either side of the compartment separator(s), for the locking or unlocking of said doors.

Abstract: A method of matching identification data comprising: acquisition of a data record comprising a plurality of fields; selection of matched records stored in a database, the data records having fields of type corresponding to the fields of the record acquired, the selection comprising for each record of the database: comparison of at least one field with the corresponding field of the record acquired, the comparison defining a discrete metric with at least three states of which a first state corresponds to an identity; and search for the match by traversal of a finite automaton in which each transition corresponds to at least one state of the comparison metric for at least one field, the finite automaton having at least two final states: matched and unmatched.

Abstract: A method of matching identification data comprising: acquisition of a data record comprising a plurality of fields; selection of matched records stored in a database, the data records having fields of type corresponding to the fields of the record acquired, the selection comprising for each record of the database: comparison of at least one field with the corresponding field of the record acquired, the comparison defining a discrete metric with at least three states of which a first state corresponds to an identity; and search for the match by traversal of a finite automaton in which each transition corresponds to at least one state of the comparison metric for at least one field, the finite automaton having at least two final states: matched and unmatched.

Abstract: Method for carrying out an electronic transaction using several signatures. In the present invention, entities (or actors) are spread over a communication network and share keys. A message is encapsulated inside several cryptograms, and intermediate entities progressively decapsulate the cryptograms that they receive. The invention is applicable to all electronic transactions, in particular to “electronic wallet” applications.

Abstract: A secured system of access checking using a portable storage carrier (C) on which there is recorded an electronic key (CL), a digital data processing instrument (LE) for the production of keys, and an electronic lock (L) function capable of authorizing access should the storage carrier have the requisite electronic key. To transfer an entitlement to produce keys (CL) from one production digital data processing instrument (LE) to another, it is loaded with a new public key (K′) and the signature (CER′) of this key.

Abstract: A method for performing electronic transactions between a card, a service provider having at least one terminal configured to accept the card and a centralized system configured to be connected to the terminal. The terminal transmits to the card a parameter M including the sum of the transaction and its identity. The card produces two signatures, a first signature (z) depending on a secret debit key (k) and on the parameter (M), this first signature being a proof that the card balance has been debited; and a second signature (y) depending on the first signature (z), the second signature being produced either by an RSA algorithm or by an interactive algorithm. The terminal checks the second signature (y) but not the first one because it is unable to recover the secret debit key (k). The terminal stores the different first signatures (proofs) (z) and the parameters (M) for the different transactions. The centralized system can collect the first signatures and the parameters.

Abstract: A system of payment by the transfer of electronic money and especially of electronic cheques with blind signatures comprises an interbank compensation unit, an interbank network, and a verification unit. The interbank compensation unit permits the transfer of electronic money between multiple bank units in payment of amounts owed therebetween arising from the electronic cheques. The interbank network links the interbank compensation unit to the multiple bank units, and enables the transfer of electronic cheques from a payment terminal to the interbank compensation unit. The verification unit is linked to the interbank compensation unit, and is capable of verifying the authenticity and the non-reutilization of electronic cheques which have already travelled through the interbank network after a first payment.

Abstract: An electronic fingerprint sensor works by the detection of pressure, the ridge lines of the finger exerting a greater pressure than the valleys. The sensor has a matrix of pressure microsensors and electronic control and signal-processing circuits. It is made in an entirely monolithic form, according to techniques for the making of electronic circuits (deposition of thin layers, photo-etching, doping and thermal processing), both for the pressure detection part and for the signal-processing and control part. The matrix-type pressure sensor uses either piezoelectric resistors lying on an insulator layer stretched above a cavity or a variable capacitor or a microcontactor.

Abstract: A component comprises a coil for the supply by induction of the component and for the inductive bidirectional transfer with the station of a signal representative of data. Means for processing said signal are supplied by the coil and are produced in integrated technology on the substrate of the component. The turns of the coil are produced in flat integrated technology by metallization on the surface of the component. The integral coil occupies at least 50% of the total surface of the component.

Abstract: Apparatus for the exchange of information by electromagnetic coupling between a passive portable object and a station comprising: first electromagnetic coupling means for the transmission of data between the portable object and the station, and second electromagnetic coupling means independent of the first means for the transfer of energy and a clock signal to the portable object. A filtering circuit is provided on the station side, which behaves as an inductance at the frequency associated with the data transmission and as a high value impedance at the frequency associated with the energy transfer.

Abstract: The demodulator is for processing a signal having a carrier modulated by (0, .pi.) phase shifts and sampled at a rate that is at least twice the frequency of the carrier co. It comprises, in cascade: a first multiplier for squaring successive samples e(t), a phase locked loop adjusted to the frequency of the carrier, thereby performing programmable digital filtering; a divider for dividing the frequency by two, reconstituting the carrier from the output of the phase locked loop; a second multiplier receiving the sampled input signal and the output signal from the divider and an output lowpass digital filter. A phase adjustment circuit is placed upstream of one of the inputs of the second multiplier.

Abstract: The invention relates to systems for checking access limited to authorized time slots renewable by means of a portable storage device.The system comprises, for this purpose, an element (LE) producing electronic keys formed by a data element pertaining to a time slot and by the signature of this data element. These keys are loaded into devices such as memory cards (C). Electronic locks (L) capable of verifying the signatures are implanted in the different (physical or logical) locations, the access to which has to be guarded.Application to the checking of access to buildings or computer systems.

Abstract: A system for interconneting local networks via a public transmission network, in which equipment items of the microcomputer type, connected to a local network A, are capable of being connected to the public network by a router X in order to communicate with one or more equipment items of the microcomputer type connected to at least one other local network B, which are capable of being linked to the public network by a router Y.The system includes security protection of the establishment of the communications between the local networks over the public network, implementing a certificate exchange mechanism and the software procedures for active authentication, of the "challenge-response" type being placed in the routers.

Abstract: A component comprises a coil for the supply by induction of the component and for the inductive bidirectional transfer with the station of a signal representative of data. Means for processing said signal are supplied by the coil and are produced in integrated technology on the substrate of the component. The turns of the coil are produced in flat integrated technology by metallization on the surface of the component. The integral coil occupies at least 50% of the total surface of the component.