Abstract: The present invention relates to a method for obtaining a PIN validation signal in a data processing unit, the method including the steps of receiving a PIN in the data processing unit, submitting it to a first portable object for verifying it and obtaining a validation signal. The method further includes the steps of catching or receiving an entered PIN directly in said first portable object for verifying it; transmitting a fake PIN to the data processing unit, the fake PIN being seen by the data processing unit as a PIN to submit to the first portable object for verifying it, and returning a validation signal in case the entered PIN is verified successfully in the first portable object. The invention relates also to corresponding system and secure portable object.

Abstract: A method and system for detecting change to a record in a file stored on an electronic token involves storing a change detection code (CDC) so that a change detection applet can calculate a current CDC for corresponding record(s), and compare the current CDC with the stored CDC to determine if data has changed. Any changes to records are registered by a registering element that provides a service feature, back-up of the file and/or synchronizes the file with other files stored remotely. One use of the method is to back-up phonebook records on USIM/SIM cards.

Abstract: The invention is a method of managing communication between an electronic token and a remote web server. The token and the server are connected to a same host machine. The token comprises first and second token servers and a memory comprising HTML data. The host machine has an Internet web browser. Said method comprises the steps of: sending a first request from the Internet web browser to the first token server, returning a first answer to the Internet browser, said first answer comprising HTML data including a connection information associated to a script, on the Internet web browser, executing the script associated to the connection information. Script execution establishes a connection to the remote server allowing a two-way communication between the second token server and the remote server through the Internet browser acting as a gateway.

Abstract: A countermeasure method for a microcontroller that executes sequences of instructions. The instructions are executed according to a pipeline method. At least one waiting time is randomly introduced between two consecutive instructions and/or within at least one instruction. The method is implemented by the electronics of the microcontroller rather than by software addition.

Abstract: The invention is a method of managing application (AP) execution in an electronic token (ET) comprising at least a first and a second microprocessors (MP1, MP2). One of the microprocessor is the master microprocessor when it has responsibility for application (AP) execution. Said method comprises the step of: selecting (E1) the first microprocessor as master microprocessor, then the step of starting (E2) application (AP) execution by the first microprocessor, then the step of transferring (E4, E12) the responsibility for application (AP) execution to the second microprocessor during the application (AP) execution.

Abstract: The invention relates to a method for generating masks in a communicating object, the masks being intended to mask data to be stored in the communicating object. At least one master mask is stored in the communicating object. According to the invention, the method involves applying at least one diversifier to the master mask so as to generate a diversified mask; masking the datum to be stored in the communicating object by a reversible function using the diversified mask, the mask generating a masked datum; and storing the masked datum in the communicating object with the diversifier used to generate the diversified mask for obtaining the masked datum. The invention also relates to a communicating object including components for implementing such a method.

Abstract: The invention relates to a portable authentication token comprising connection means for connecting to a computer, browser communication means for communicating with a browser running on the computer, and user authentication means for authenticating a user of the token to a server. The user authentication means are triggered via the browser communication means when the user connects to the server from the browser of the computer. The user authentication means are set to authenticate the user by communicating with the server through the browser. The token comprises out-of-band token communication means set to validate user authentication by establishing a communication channel between the token and the server, the communication channel bypassing the browser. The invention also relates to an authentication method and to a system comprising a token, a computer and a server to which the user authenticates with the token.

Abstract: An intelligent portable object has a dual interface and is equipped with a chip and is suitable for communicating with at least one electronic data transmission terminal via a contact interface according to standard ISO7816.3 and likewise without contact via a contactless interface and according to another contactless standard; a transition causing a variation of at least one status for the object. At least one information step, for example in real time, of the chip restituting variations in status, with at least a logical phase forming a supply controller, which ensure a configuration/information allowing a fully simultaneous functioning of applications resorting to the contact and/or contactless interface.

Abstract: A portable object (1) of the smart card type comprises a main circuit (3, 8, 9, 10) for internal processing and storage of data. The main circuit comprises several integrated circuits (3, 10). The portable object comprises a supply voltage circuit (7) for applying a first supply voltage (3 to 5V) to one of the integrated circuits (3) of the main circuit and for applying a second, different supply voltage (1.2 to 1.8 V) to another integrated circuit (10) of the main circuit.

Abstract: The invention relates to a device and methods for the customised delivery of targeted advertisements from a local server. In particular, the invention relates to the advertising server embedded in an electronic device and to the delivery and updating methods necessary for the operation thereof. According to the invention, the impact of the delivered advertising is optimised since the advertising content presented to the public matches each individual's requirements and centres of interest. Age, sex and geographical location are examples of criteria employed according to the invention.

Abstract: The invention relates to a method and a device for preventing the establishment of a radiofrequency communication between a contactless portable object and another contactless object. If the bearer of the contactless portable object does not modify the state of at least one on-board sensor of the contactless portable object in a specified manner and in specified proportions, the communication is prevented. One purpose of the invention is to prevent the use of the contactless portable object without the bearer's authorization.

Abstract: The invention relates to a method for accessing a portable device, the portable device being connected to a host device. According to the invention, the host device, as a client, opens a communication channel to the portable device, as a server, according to a first network communication protocol, and the portable device, as a client, uses the communication channel to transport data to the host device, as a server, according to a second network communication protocol, without the implementation of any complex infrastructure. The invention relates also to a corresponding system for accessing a portable device, a corresponding portable device accessible from outside and a corresponding host device for accessing a portable device.

Abstract: The invention relates to a method for producing a device comprising a radio frequency transponder antenna, said method comprising a step of producing the antenna with two terminal sections (15, 17) on a support by means of a wiring technique. The method is characterised in that it comprises a step of producing an end point (9) on an antenna wire at the end of at least one of said terminal sections (5, 15, 17). The invention further relates to the device thus produced.

Abstract: A non-volatile memory of a first type, having characteristics of high capacity and coarse granularity, is associated with a non-volatile memory of a second type, having characteristics of low capacity and fine granularity. These memories are managed such that a non-volatile memory resulting from this association has the characteristics of high capacity of the first type of non-volatile memory and fine granularity of the second type of non-volatile memory.

Abstract: The invention concerns an automatic method to secure an electronic calculation assembly against attacks by error introduction or by radiation. The following are used: 1) Static information generated by the automatic process; 2) A dynamic part of the memory of the electronic system allocated by the automatic process; 3) Beacons and check points to mark out the code, introduced by the automatic process; 4) Beacon functions storing information in the dynamic memory; 5) History verification functions using the static information and the dynamic memory to check that no errors have been introduced.

Abstract: The invention is a system of managing indexation of memory. Said system has a microprocessor, and a flash memory. Said flash memory has an indexed area comprising indexed items, and an index that is structured in a plurality of index areas comprising a plurality of entries. Said flash memory comprises an index summary comprising a plurality of elements. Each index summary element is linked to an index area of said index. Each index summary element is built from all entries belonging to said linked index area and is built using k hash functions, with 1?k.

Abstract: The invention is a method of managing flash memory-allocation in an electronic token. Said token has a memory comprising a list area and a managed area. Said managed area comprises allocated spaces and at least one free memory chunk. Said list area comprises at least one valid entry referencing a free memory chunk. Said valid entry comprises a state field. Said method comprises the step of selecting a free memory chunk further to an allocation request where said free memory chunk is referenced by an old entry, and the step of identifying a new allocated space in the selected free memory chunk. The state field of said valid entry is preset with a virgin state. Said method comprises the step of invalidating the old entry referencing the selected free memory chunk.

Abstract: A communication device comprises an RF interface (20) and a CPU (10). The RF interface (20) has a physical channel PhCh to exchange radio messages on a wireless network. The physical channel PhCh is coupled with at least two logical channels LCi. The CPU (10) is connected to the RF interface (20) to provide at least two services Si on the wireless network. Each service Si is associated with a logical channel LCi of the RF interface (20). The CPU (10) associates a transmission parameter Pi with each service Si and sends the said transmission parameter Pi to the logical channel LCi associated with the service Si. The RF interface (20) configures the physical channel PhCh on the basis of the transmission parameter Pi depending on the logical channel LCi under transmission.

Abstract: The invention relates to a portable mass storage device (1) comprising a security application. The security application is executable by a terminal (2) when the terminal (2) is connected with said device (1). The security application is arranged, when executed by the terminal (2), to secure at least a subset of the processes running on the terminal (2) by hooking said processes.

Abstract: The invention relates to a personal token for a mobile telecommunication network, hosting application software. The personal token is operable to receive an over-the-air SMS message encapsulating commands directed to the application, open the SMS and extract the commands from the SMS. The steps of opening the SMS and extracting the commands from the SMS are performed by a software entity in the personal token which is distinct from the application, so that the software entity initiates transmission of the extracted commands to the application.