Abstract: A method of authenticating a user of a terminal referred of as a first terminal, and suitable for communicating with a service provider via a first communications network, the provider requesting an authentication of the user of the first terminal before providing a service to the first terminal, wherein the authentication of the user is based on user authentication performed with regard to a second terminal.

Abstract: The disclosure relates to a method for communication between a secure information storage device and at least one third party with which information is exchanged. An entity ensures the management of a plurality of secure information storage devices to which said device pertains.

Abstract: A method of authenticating a user of a terminal referred of as a first terminal, and suitable for communicating with a service provider via a first communications network, the provider requesting an authentication of the user of the first terminal before providing a service to the first terminal, wherein the authentication of the user is based on user authentication performed with regard to a second terminal.

Abstract: A system secures a personal code for a user of a personal entity containing data and associated with a code processing entity. The personal entity establishes a graphical representation of characters that may be modified for each data request. The representation is associated with first coordinates of characters of the personal code and transmitted to the code processing entity. The code processing entity displays the representation so that the user selects therefrom characters representative of the personal code, determines second coordinates of selected characters and transmits the second coordinates to the personal entity. The personal entity compares the first and second coordinates so as to transmit requested data if said coordinates match.

Abstract: The disclosure relates to a method for communication between a secure information storage device and at least one third party with which information is exchanged. An entity ensures the management of a plurality of secure information storage devices to which said device pertains.

Abstract: A method is provided for composing an address for locating a resource on the Internet. The method includes a phase of conversion of a piece of data into a locator address. The phase of conversion includes a step for the entry by a user, into a browser software, of a piece of data representing a locator address; a step for comparing the piece of entered data with at least certain of the addresses of a plurality of preliminarily validated locator addresses indicating whether the entered data is present in the plurality of addresses; and a step for selecting a locating address from among the addresses of the plurality of addresses.