Hardware trojan detection method and system based on time delay
A hardware Trojan detection and hardware Trojan technology, applied in electronic circuit testing and other directions, can solve problems such as increasing workload and testing cost, and achieve high practical application value, improve testing efficiency, and reduce workload and testing costs.
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[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and do not limit the protection scope of the present invention.
[0023] In one embodiment, based on the time-delayed hardware Trojan detection method, such as figure 1 shown, including the following steps:
[0024] Step S101: Obtain bypass delay information of the chip under test, the bypass delay information including amplitude-frequency response curves and / or phase-frequency response curves of each signal path of the chip under test;
[0025] Step S102: Obtain the resonant valley frequency and resonant peak frequency of each signal path in the chip under test according to the bypass delay information;
[0026] Step S103: Comparing...
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