Communication method and apparatus, storage medium, program product

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By generating a high-security key to update the shared key, the problem of reduced communication security under quantum attacks is solved, and resistance to quantum computing is enhanced.

WO2026153181A1PCT designated stage Publication Date: 2026-07-23HUAWEI TECH CO LTD

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Patent Information

Authority / Receiving Office: WO · WO
Patent Type: Applications
Current Assignee / Owner: HUAWEI TECH CO LTD
Filing Date: 2026-01-06
Publication Date: 2026-07-23

AI Technical Summary

Technical Problem

Under the threat of quantum computing, the security of shared keys between terminal devices and networks is reduced, which threatens communication security, and existing security algorithms are unable to effectively deal with quantum attacks.

Method used

By generating a first key corresponding to a first security algorithm with a high security level, obtaining a second shared key based on this key, updating or replacing the existing shared key, and using key protection for message interaction, communication security is improved.

Benefits of technology

This enhances the security of communication systems against quantum attacks, ensures the security of shared keys, and improves the communication systems' resistance to quantum computing attacks.

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Abstract

The present application provides a communication method and apparatus, a storage medium, and a program product. The method comprises: a first communication apparatus receives a first message, wherein the first message is used to instruct the first communication apparatus to use a first security algorithm; in response to the first message, the first communication apparatus generates a first key on the basis of a first shared key between the first communication apparatus and a network, wherein the first shared key corresponds to a second security algorithm currently used by the first communication apparatus; the first communication apparatus acquires a second shared key between the first communication apparatus and the network on the basis of the first key, wherein the second shared key corresponds to the first security algorithm. In this way, the first communication apparatus can communicate with the network on the basis of the second shared key, thereby improving the security of communication.

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