Anti-attack Internet of Things security chip, method and device integrated with national cryptographic algorithm

Abstract

The invention provides an anti-attack Internet of Things security chip, method and device integrated with a national cryptographic algorithm. According to the invention, the chip can adaptively select the data destruction method. In the chip, under the condition that a detection signal passing through a metal shielding layer is inconsistent with a standard detection signal, a low-power-consumption processor determines an attack type aiming at the metal shielding layer and a security protection level set for the chip, and when the attack type is a non-intrusive attack and the security protection level is lower than the set level, the low-power-consumption processor determines the attack type aiming at the metal shielding layer and the security protection level is lower than the set level. And controlling the data destruction circuit to delete power consumption and electromagnetic radiation information generated in the process of using the chip in a software destruction mode, and controlling the data destruction circuit to destroy the circuit structure in the chip in a physical destruction mode when the attack type is intrusive attack or the security protection level is higher than the set level.

Description

technical field [0001] The present application relates to the technical field of security chips, in particular to an anti-attack Internet of Things security chip integrated with national secret algorithms, an anti-attack method and device. Background technique [0002] In recent years, smart devices based on the Internet of Things technology have been more and more widely used in people's lives, but people's property safety and privacy are being threatened by the Internet of Things. In order to ensure the safety of people's property and privacy, firewalls and security chips are installed. Security chips have been widely used in access control systems, smart terminals, and financial systems. A series of commercial cryptographic algorithms corresponding to international cryptographic algorithms have been proposed, and security chips integrating national cryptographic algorithms are of great significance for establishing an independent data security barrier. [0003] As the ha...

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