FIELD: method and system for checking authenticity of object.
SUBSTANCE: method for checking authenticity of object 200, which has unique identification number ID, includes generation of changing secret key, first code AC1 of authentication on basis of changing secret key and second code AC2 of authentication on basis of unique identification number ID of object 200 and changing secret key and generation of checking code, which is based on two of first and second codes AC1, AC2 for authentication and unique identification number ID of object 200, and for which match may be checked with remaining one of first and second codes AC1, AC2 of authentication and unique identification number ID of object 200 for checking authenticity of object 200. System 100, meant for checking authenticity of object, contains device 1 for generating authentication code, meant for being held on object 200, and user interface.
EFFECT: possible checking of authenticity of object by consumer.
2 cl, 3 dwg
