CN112806041A - 一种密钥生成方法、设备及系统 - Google Patents

一种密钥生成方法、设备及系统 Download PDF

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Publication number
CN112806041A
CN112806041A CN201880098520.7A CN201880098520A CN112806041A CN 112806041 A CN112806041 A CN 112806041A CN 201880098520 A CN201880098520 A CN 201880098520A CN 112806041 A CN112806041 A CN 112806041A
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key
network function
user plane
upf
plane network
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CN201880098520.7A
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CN112806041B (zh
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雷中定
王海光
康鑫
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/061—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key exchange, e.g. in peer-to-peer networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/03—Protecting confidentiality, e.g. by encryption
    • H04W12/033—Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
    • H04W12/041—Key generation or derivation

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)

Abstract

本申请实施例公开了一种密钥生成方法、设备及系统，涉及通信技术领域，以解决保护密钥被窃取或泄露造成的数据泄露的问题。所述方法包括：用户面网络功能与终端设备相互获取对方发送的密钥更新信息，用户面网络功能利用获取到的密钥更新信息更新由长期密钥衍生的子密钥，得到新的保护密钥，终端设备利用获取到的密钥更新信息更新由长期密钥衍生的子密钥，得到新的保护密钥，利用新的保护密钥对终端设备与用户面网络功能之间传输的用户面数据进行安全保护。

Description

PCT国内申请，说明书已公开。

Claims (24)

  1. PCT国内申请，权利要求书已公开。
CN201880098520.7A 2018-10-30 2018-10-30 一种密钥生成方法、设备及系统 Active CN112806041B (zh)

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PCT/CN2018/112730 WO2020087286A1 (zh) 2018-10-30 2018-10-30 一种密钥生成方法、设备及系统

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EP (1) EP3843438A4 (zh)
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CN112788594B (zh) * 2020-06-03 2023-06-27 中兴通讯股份有限公司 数据传输方法、装置和系统、电子设备、存储介质
CN115086951A (zh) * 2022-06-29 2022-09-20 中国电信股份有限公司 一种报文传输系统、方法及装置
CN117812584A (zh) * 2022-09-30 2024-04-02 华为技术有限公司 一种通信的方法和装置

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US20210250762A1 (en) 2021-08-12
EP3843438A1 (en) 2021-06-30
WO2020087286A1 (zh) 2020-05-07
EP3843438A4 (en) 2021-09-22
US11863977B2 (en) 2024-01-02
CN112806041B (zh) 2022-12-13

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