Method for securing authencity of digital image or sound recording, involves generating recording file by digitally signed private key that is assigned to recording device

摘要

The method involves generating a recording file by a digitally signed private key (41) that is assigned to a recording device (1). The recording file is generated during capturing an image or sound recording. The private key is stored exclusively in a protected storage area of the recording device. An access to the private key is granted only during capturing the image or sound sequence. Independent claims are included for the following: (1) a digital recording device, which has signature device (2) a control program of a computer.