Title:
ENCRYPTION KEY TRANSFER METHOD AND DEVICE FOR ROAMING USERS IN COMMUNICATION NETWORKS
Document Type and Number:
WIPO Patent Application WO/2024/092624
Kind Code:
A1
Abstract:
This disclosure generally relates to transferring encryption key to a VPLMN in wireless communication. Performed by first network element, the method includes: transmitting a query message to a second network element, to request an identification of a NF entity, wherein the query message comprises an identifier of a wireless device, and wherein the network function is an entity in the VPLMN for storing encryption keys; receiving, from the second network element, a response to the query message, the response comprising the identification of the NF entity; and transmitting, to the NF entity based on the identification of the NF entity, a first message comprising an encryption key, wherein the AF entity is located in the HPLMN or a DN external to the HPLMN and the VPLMN.
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Inventors:
WANG JIGANG (CN)
YOU SHILIN (CN)
XING ZHEN (CN)
LIU YUZE (CN)
LIU PEILIN (CN)
YOU SHILIN (CN)
XING ZHEN (CN)
LIU YUZE (CN)
LIU PEILIN (CN)
Application Number:
PCT/CN2022/129575
Publication Date:
May 10, 2024
Filing Date:
November 03, 2022
Export Citation:
Assignee:
ZTE CORP (CN)
International Classes:
H04L27/00
Domestic Patent References:
| WO2021155758A1 | 2021-08-12 | |||
| WO2020249861A1 | 2020-12-17 |
Foreign References:
| US20220210636A1 | 2022-06-30 |
Other References:
"3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Study on Authentication and Key Management for Applications (AKMA) phase 2; (Release 18)", 3GPP STANDARD; TECHNICAL REPORT; 3GPP TR 33.737, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, no. V0.3.0, 20 October 2022 (2022-10-20), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, pages 1 - 35, XP052211615
ZTE: "update the Key issue of AKMA roaming", 3GPP DRAFT; S3-222640, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG3, no. e-meeting; 20221010 - 20221014, 2 October 2022 (2022-10-02), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052271552
ZTE: "update the Key issue of AKMA roaming", 3GPP DRAFT; S3-222640, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG3, no. e-meeting; 20221010 - 20221014, 2 October 2022 (2022-10-02), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP052271552
Attorney, Agent or Firm:
JIAQUAN IP LAW (CN)
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