Watermarking Apparatus, Software Enabling an Implementation of an Electronic Circuit Comprising a Watermark, Method for Detecting a Watermark and Apparatus for Detecting a Watermark

摘要

A watermarking apparatus for an electronic circuit is described, which comprises the following features: a watermark memory operative to store a watermark characterizing said electronic circuit, and a watermarking signal generator operative to generate based on said watermark a watermarking signal on a power supply line of said electronic circuit, wherein said watermarking signal is detectable for a recognition of said watermark.