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Chip safety protection method and integrated circuit chip

An integrated circuit and security protection technology, which is applied in the fields of electrical digital data processing, internal/peripheral computer component protection, instruments, etc., can solve the problems of high cost and poor effect of chip security protection methods

Pending Publication Date: 2018-10-16
NATIONZ TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that the existing chip security protection means are costly and ineffective. To solve this technical problem, a chip security protection method and an integrated circuit chip are provided.

Method used

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  • Chip safety protection method and integrated circuit chip
  • Chip safety protection method and integrated circuit chip

Examples

Experimental program
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Effect test

no. 1 example

[0031] figure 1 The basic flowchart of the chip security protection method provided in this embodiment is applied to an integrated circuit chip, and a ring circuit is arranged in the integrated circuit chip; the chip security protection method includes:

[0032] S101, detecting the current in the loop circuit;

[0033] S102. When the current fluctuation value of the loop circuit satisfies the preset condition, adjust the security configuration of the integrated circuit chip.

[0034] In this embodiment, the integrated circuit chip is provided with a ring circuit. The ring circuit refers to a ring-shaped wire in the integrated circuit chip, which can be a single-ring wire or a multi-ring wire. the coil.

[0035] In S101, the current in the loop circuit is detected. Due to the principle of Faraday's electromagnetic induction, when the integrated circuit chip is approached by an electromagnetic probe, the coil in the electromagnetic probe will generate an induced current. Corr...

no. 2 example

[0042] Please refer to figure 2 , figure 2 The integrated circuit chip composition structure diagram provided by the second embodiment of the present invention, the integrated circuit chip at least includes a detection module 22, a security module 23, and a ring circuit 21 is arranged in the integrated circuit chip; wherein, the detection module 22 is used to detect For the current in the loop circuit 21, the security module 23 is used to adjust the security configuration of the integrated circuit chip when the current fluctuation value of the loop circuit 21 satisfies a preset condition.

[0043] In this embodiment, the integrated circuit chip is provided with a ring circuit 21. The ring circuit 21 refers to a ring-shaped wire in the integrated circuit chip, which can be a single-ring wire or a Multi-loop coils.

[0044] In this embodiment, the detection module 22 is used to detect the current in the loop circuit 21 . Due to Faraday's electromagnetic induction principle,...

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Abstract

The invention provides a chip safety protection method and an integrated circuit chip in order to solve the problems that the cost of safety protection approaches for existing chips is high and the protection effect is not ideal. An annular circuit is arranged in the integrated circuit chip, current in the annular circuit is detected, and the safety configuration of the integrated circuit chip isadjusted when a current fluctuation value meets a preset condition. Therefore, through a coupling effect between the annular circuit and an electromagnetic probe, whether or not the electromagnetic probe comes closer is determined. Moreover, when the electromagnetic probe comes closer, the safety configuration of the chip is adjusted, so that stealing of chip information through the electromagnetic probe is effectively avoided, the safety of the chip is improved, the arrangement of the annular circuit is simple, and the cost of the safety configuration is greatly reduced.

Description

technical field [0001] The invention relates to the field of integrated circuits, and more specifically, to a chip security protection method and an integrated circuit chip. Background technique [0002] Cryptographic products are vulnerable to side-channel attacks during actual use. The basic idea of ​​​​this type of attack is to capture chip current (power consumption) changes, radiated electromagnetic signals, and execution time of the chip. sensitive information. Essentially this attack exploits two types of energy consumption dependencies (data dependencies and operation dependencies). The equipment required for side-channel attacks is low in cost and the attack effect is remarkable, which seriously threatens the security of cryptographic equipment. Among them, the electromagnetic radiation attack is more applicable. The attacker can easily use the electromagnetic probe to directly obtain the information leakage curve related to the operation of the chip, and further ...

Claims

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Application Information

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IPC IPC(8): G06F21/76G06F11/30
CPCG06F11/3058G06F21/76
Inventor 唐有
Owner NATIONZ TECH INC
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