Patent ID: 8484750
Filing Date: 2013-07-09
Classification: G06F

Abstract:
1. A method of verifying that a current system with which a second group of parameters is associated is authorized to execute software allowing implementation of a computer program and/or access to data, the computer program and/or the data having been previously coupled to a reference system with which a first group of parameters is associated, by protecting a value V 0 associated with the reference system and necessary for the execution of said software, in alliance with at least one parameter of the first group of parameters the method comprising: protecting the value V wherein the table comprises: for each element t of a set of subsets of said first group of parameters satisfying a predetermined criterion, a data pair (g_t(X); h_t(V retrieving by a processing device the value V in the event of agreement between g_t′(X) and a data item g_t(X) stored in the table: