FUNCTION FOR THE CHALLENGE DERIVATION FOR PROTECTING COMPONENTS IN A CHALLENGE RESPONSE AUTHENTICATION PROTOCOL

摘要

The invention relates to a device for authenticating a product with respect to at least one authenticator. Said device comprises a capturing unit, a test unit and a transmitting unit. Said capturing unit is designed to capture a challenge emitted by the authenticator. Said test unit is designed to test an authorization from the authenticator for capturing a response to the emitted challenge. Said transmitter unit is designed to transmit a predetermined response to the authenticator in accordance with the tested authorization and the captured challenge. As a result, increased security during the authentication is ensured. The invention also relates to a system comprising said type of device and an authenticator, and to a method and a computer program product for authenticating a product.