Method for transferring data, a computer program product, a data provision and a data receiving device and a communication system

Abstract

A method for transferring data from a data provision device to a data receiving device includes: (a) an initializing operation, comprising: providing an initial authenticity-indicator; providing at the data provision device an initial variable number as a current data-provision-device-variable-number; providing at the data provision device a current data-provision-device-authenticity-indicator, as a function of the current data-provision-device-variable-number and the initial authenticity-indicator, particularly using a one-way-function; setting at the data receiving device the initial authenticity-indicator as a foregoing data-receiving-device-authenticity-indicator; providing at the data receiving device a current data-receiving-device-authenticity-indicator; (b) a provision data provision operation, comprising Determining at the data provision device a data-authenticity-indicator as a function of the provision data, particularly using a one-way-function; Providing at the data receiving device the data-authenticity-indicator and the provision data, as well as a computer program product, data provision device, a data receiving device a communication system.

Dependencies are inferred from the claim text.