Apparatus for detection of attacks on a circuit chip

摘要

The circuit has a generator (1) applying a random signal to an end terminal (V) of a conducting path (2) formed in a metallization level of a chip. A synchronization signal is applied to an input terminal of another path (3). The synchronization signal is delayed with respect to applying time of the random signal on the terminal (V), by duration (T) that is higher or equal to propagation delay of the path (2). An independent claim is also included for an integrated circuit chip including a detection circuit.