METHOD AND DEVICE FOR PROTECTING UNIVERSAL KEY Russian patent published in 2010 - IPC G07C9/00 

FIELD: information technology.

SUBSTANCE: disclosed is a method of ensuring safety in a game machine and a game machine which can be accessed through the following steps. Inserting a mechanical key into an electromechanical lock. Reading a first source of identification features from the key, where the said first source of identification features contains information or data which are specific for the said lock. Reading a second source of identification features, where the said second source of identification features contains information which is specific for one or more key users. Analysis of the second source of identification features relating to the stored file with biometric information in a location separate from the said mechanical key. Authorisation of using the key depending on the results from reading both identification features. Barring access to the said area with possibility of accessing the key selectively, based on one or more additional factors, and automatic granting or barring access to the said area with possibility of accessing the key in accordance with the permission at the authorisation step.

EFFECT: more secure operation of the game machine.

17 cl, 12 dwg