Method and device for the authentication of at least two agricultural devices coupled via a data bus

A method for authenticating of at least two agricultural devices coupled via a data bus, comprising the steps of:

• coupling an authentication device and the at least two agricultural devices to the data bus;
• utilizing the authentication device to authenticate each of the at least two agricultural devices coupled to the data bus automatically and independently;
• upon successful authentication of the at least two agricultural devices, allowing direct data exchange or indirect data exchange between the successfully authenticated agricultural devices, automatically;
• and
• upon unsuccessful authentication, disallowing direct data exchange or indirect data exchange between the unsuccessfully authenticated agricultural devices.