Abstract: A method for generating a random number, comprising steps of receiving a data transmission binary signal subjected to phase jitter, generating several oscillator signals substantially of a same average frequency and having distinct respective phases, sampling a status of each of the oscillator signals upon the appearance of edges of the binary signal, and of generating a random number using the statuses of each of the oscillator signals. The method may be applied to an integrated circuit usable in a smart card.

Abstract: A secured identification document has at least two flexible layers embedding an electronic module. The electronic module includes a flexible substrate on which are positioned an antenna and a radiofrequency microcontroller storing identification data. The radiofrequency microcontroller is electrically connected to said antenna. The secured identification document has the at least two flexible layers locally joined together by means of a chemically and mechanically tamper proof material that is applied in cavities that are distributed in each of said at least two flexible layers that surround the electronic module in order to make the electronic module interdependent with the at least two flexible layers.

Abstract: A method for verifying execution of a program, wherein the program comprises a first code portion and a second code portion. The method includes entering the first code portion, where the first code portion includes a first plurality of instructions, executing the first code portion, calculating a first checksum during the execution of the first code portion, wherein the first checksum is calculated using information associated with at least one of the first plurality of instructions, comparing the first checksum to a first pre-calculated checksum prior to exiting the first code portion, and exiting the first code portion and entering the second code portion if the first checksum equals the first pre-calculated checksum.

Abstract: Method for monitoring the usage of a service by a communication device coupled to a tamper resistant module, in particular a smart card. A said service is transmitted from a resource able to communicate with said communication device by way of a network. The service comprises a plurality of encrypted data flow and its use comprises successive decryption steps of data flow by a respective first key EK, said first key EK being encrypted in the data flow and decrypted in the tamper resistant module by way of a second key KEK stored in said tamper resistant module or derived inside said module. The invention is characterized in that said method comprises the following steps: a. A counting step, in which a memory location stores a count of occurrences of decryption steps of said first key EK attached to a same service; b. A using step, in which said counter is used to prove the amount of data flow which has been decrypted.

Abstract: A secure portable electronic device for providing secure services when used in conjunction with a host computer. The secure portable device includes a read-only memory partition, a read/write memory partition, and a secure memory partition. The secure portable device includes instructions stored in the read-only partition including a host agent containing instructions executable by the host computer. The secure portable device also includes instructions stored in the secure memory partition. These instructions include a card agent containing instructions executable by central processing units secure portable electronic device, and includes a card agent communications module for communicating with the host agent; and a security module for accessing private information stored in the secure memory partition.

Abstract: A secure terminal comprises: primary means consisting of processing means, data and program storage means, security means and data input means, wherein the components of the primary means are interconnected by a first data bus; peripheral means consisting of printing means, means for reading from/writing to a card and means for accessing a telecommunications network, wherein the components of the peripheral means are interconnected by a second data bus; and power supply means connected to the primary and peripheral means. The primary means arc grouped in a main housing that cannot be dismantled without damaging at least one of the components of the primary means, and the peripheral means are grouped in at least one housing capable of being connected to the main housing.

Abstract: The invention relates to a system comprising a network device (NSC), a host computer (HOST) and a remote server remote (SRV). The host computer (HOST) and the network device (NSC) server are connectable through a network. The host computer (HOST) and the remote server (SRV) are connectable through the Internet. The smart network device (NSC) comprises a web server accessible from the host computer (HOST). The network device (NSC) is set to store a user's authentication credential. The host computer (HOST) is set to display a web page produced by the remote server (SRV) to the user. The remote server (SRV) is set to include a login link in said web page, the login link pointing to said web server. The web server is set to display a login page to the user on the host computer (HOST) when the user clicks on said login link, in order to authenticate the user.

Abstract: A document with a cover having a first cover part, a second cover part, at least one internal page located between the two cover parts when the document is closed, a radiofrequency microcontroller, an antenna electrically connected to the radiofrequency microcontroller, and an electromagnetic shield capable of disrupting, at least partially, the wireless communication with the radiofrequency microcontroller when the document is closed and not disrupting the wireless communication when the document is opened. The electromagnetic shield is a wire grid. The wire mesh distance between each two adjacent wires of the wire grid is smaller than a radio-frequency wavelength used for communicating with the radiofrequency microcontroller, and is at least 0.1 millimeters and at most 40 millimeters.

Abstract: A card body comprises a first card body (ID-1 card 1), a second card body (plug-in card 2) and a third card body (mini card 3). The first card body has a first shape (ID-1 shape). The second card body comprises a second shape (plug-in shape). The first card body encompasses the second card body. The third card body comprises a third shape (mini shape). The second card body encompasses the third card body. The third card body has a cavity for receiving an electronic module. A first boundary separates the first shape (ID-1 shape) from the second shape (plug-in shape), and comprises a first number of apertures (5, 6, 7, 17, 18) and a first number of notches (19 and 20) defining a first mechanical inter-card body coupling strength (link between ID-1 card 1 and plug-in card 2).

Abstract: A document which includes a cover, one or more internal pages, a radiofrequency microcontroller, an antenna electrically connected to the radiofrequency microcontroller, an electromagnetic shield capable of partially disrupting wireless communication with the radiofrequency microcontroller when the document is closed, and not disrupting the wireless communication when the document is opened is described. The electromagnetic shield included in the document is implemented using metal, conductive plastic, conductive ink or magnetic ink.

Abstract: For protecting a circuit (1) against a mechanical or electromagnetic attack, an active protection device attached to the circuit comprises: —at least one generator (13, 14) for generating a magnetic field, —at least one magnetic sensor S1, S2, S3, S4 for measuring a value of the magnetic field, —an integrity circuit connected to the at least one magnetic sensor S1, S2, S3, S4 and to the circuit (1). The integrity circuit activates a reaction procedure in the circuit if the measured value of the magnetic field made by the magnetic sensor is out of a values domain, the values domain being correlated to the generated magnetic field.

Abstract: The invention relates to an ink providing an optical effect, when it is applied on a main surface of a smart card. Said ink comprising a mixture of a base solution and a metallic pigment, said mixture containing between 2 and 4% per weight of the metallic pigment. The ink allows to obtain smart card having an improved appearance, and particularly smart cards having a printed surface with optical effect.

Abstract: The invention relates to a cryptographic mechanism and to a cryptographic device incorporating such cryptographic mechanism. The cryptographic mechanism offers a better resistance to side channel attacks than that of known cryptographic mechanisms by incorporating a new type of masking mechanism.

Abstract: A method for generating a random number, comprising steps of receiving a data transmission binary signal subjected to phase jitter, generating several oscillator signals substantially of a same average frequency and having distinct respective phases, sampling a status of each of the oscillator signals upon the appearance of edges of the binary signal, and of generating a random number using the statuses of each of the oscillator signals. The method may be applied to an integrated circuit usable in a smart card.

Abstract: A card body comprises a module-receiving part (3) having a cavity for receiving an electronic module ML. The card body comprises a first side part (4) coupled to the module-receiving part (3), the first side part being separated from the module-receiving part by a first separation line (6), and a second side part (5) coupled to the module-receiving part (3), the second side part being separated from the module-receiving part by a second separation line (7). The module-receiving part defines a third shape corresponding to a third card body (3) type when the first (4) and second (5) side parts are detached from the module-receiving part (3). The module-receiving part defines a second shape (2) corresponding to a second card body type when the first (4) and second (5) side parts are coupled to the module-receiving part (3).

Abstract: The invention concerns a method for the administration of a subscriber SIM card 3 inserted in the main smartcard reader of a mobile telephone of the type including a second smartcard reader, using an additional administrator smartcard temporarily inserted in this second reader. The administrator smartcard includes at least one specific loader (Ch) applet and one or more files (f1-fn) corresponding to the applets (A1-An) which can be loaded in the SIM card under the control of the loader (Ch). The administrator card complies with the Sim Toolkit standard. The method can also be used to carry out the deletion, modification and various operations on data or applets (A1-An) present in the SIM card: display, determination of the memory space, etc. The invention also concerns an embedded system, more particularly a smartcard, for the implementation of the method.

Abstract: A Method of managing a communication device (MP) being arranged to communicate with a server(SERV) via a first communication network (GSMNET) and a second communication network (IPNET) is characterized in that the method comprises the following step: an instruction step, in which the server (SERV) sends a management-request instruction to the communication device (MP) via the first communication network and; an executing step, in which the communication device (MP) executes the management-request instruction which causes the communication device (MP) to request the server (SERV) to effect an operation in the communication device (MP) via the second communication network (IPNET).

Abstract: The invention relates to a personal token (in particular a SIM card), a system comprising a personal token and a communication device (in particular a cellular phone), and a method for parental control of the services of the communication device. The personal token of the invention comprises connection means for connecting to a communication device and parental control means, the parental control means controlling access of a controlled entity to the services offered by the communication device according to a set of rules stored in the personal token. The personal token also comprises rules modification means enabling the modification of the set of rules (access to the rules modification means being restricted to a controlling entity), and a web server, the rules modification means being accessible through at least one web page on the web server.

Abstract: The invention relates to a portable device (in particular a SIM card), a communication device (in particular a cellular phone) and a system comprising a portable device and a communication device. The portable device of the invention comprises processing means, external communication means, message storage means, and a web server. It has no messaging user interface. The portable device further comprises a messaging client comprising web communication means for communicating with the web server, and comprising message management means for managing messages including at least one message stored in the portable device. The communication device of the invention may comprise a message proxy.

Abstract: The invention relates to a personal token (10) for authentication in a network comprising a piece of software for initiating an SSL connection by generating a message authenticating said token to a remote server (30) characterized in that the piece of software controls the processing of the message so as to use of a data (12) which is prestored in the token (10) and which is specifically associated with the remote server (30) so that the message can be interpreted only by the specific remote server (30).