Schneider Electric Industries Sas

Michel Moulin

Mathieu Falcy

Theo Deletang

Osman Kocoglu

A method for securely registering a removable electrical device includes steps consisting in: a) prior to the installation of a new removable electrical device within an electrical system in order to replace a faulty removable electrical device, acquiring a first security certificate for the new device, this first certificate being signed by an authority known to the system; b) verifying the authenticity of the first acquired security certificate, this verification being carried out by the electronic control module; c) generating a second security certificate for the new removable electrical device, including a key generated by the electronic computer of the new device; d) obtaining a signature for the second security certificate from a trusted certification authority, the new device then being registered within the system only if this signature is obtained.

Method for securely registering a removable electrical device when installing it within an electrical system

A system, method, and computer program product are disclosed for enabling software components on a device, and for providing selective access to the components. A computer system receives a download request for a software component and an identifier associated with the requesting device and determines whether the software component is pre-installed, but not enabled, on the device. In the event that the system determines, through a registration check, that the software component is pre-installed but not enabled on the device, the system enables the component on the device. In the event that the system determines that the software component is not pre-installed on the device, the system causes the component to be downloaded and enabled on the device. Selective access to software components is granted based on whether the component is accessed by a user or a service provider, with the service provider granted access to remotely install ancillary functionality.

Systems and methods for delivering and accessing software components

A method for verifying a target computer file with respect to a reference computer file, including defining a first area delimiting a portion of a reference file, and a second area delimiting a portion of a target file, the second area exhibiting the same size as the first area and being situated, inside the target file, at the same relative position with respect to the origin of this target file as the first area with respect to the origin of the reference file; calculating a first digital imprint, by applying a hash function solely to that portion of the reference file which is contained inside the first area to be tested; calculating a second digital imprint, by applying the same hash function solely to that portion of the target file which is contained inside the second area to be tested; comparing the first and second digital imprints.

Method for automatically verifying a target computer file with respect to a reference computer file

A method for managing the installation of an application on an electronic device is disclosed. In one aspect, the method includes seeking the authenticity of a second signature using the public authentication key of a certificate, the certificate being authenticated if at least one of the second sub-signatures is considered authentic during implementation of the search.

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Coublevie, France

Michel Moulin