METHOD, USER DEVICE, SERVER AND SYSTEM FOR UNLOCKING A USER DEVICE

摘要

The invention relates to a method for unlocking a user device comprising at least one motion sensor. The user is associated with a predetermined class of characteristics comprising at least one value of at least one characteristic of a signal generated previously by said sensor during a previous movement of the user device. The method comprises the steps of moving (S1) the device by the user, of generating (S2) at least one signal relating to said movement by the motion sensor, of determining (S3) at least one value of at least one characteristics of said generated signal, of comparing (S4) said determined value with at least one value of the same characteristic in at least one class of characteristics with the aim of identifying a class of characteristic corresponding to the class of characteristics which is associated with said user, and authorizing (S5) of the unlocking of the user device when a class of characteristics has been identified.