Title:
MBS-KEY DISTRIBUTION AND TRAFFIC PROTECTION
Document Type and Number:
WIPO Patent Application WO/2022/087979
Kind Code:
A1
Abstract:
MBS key distribution includes processing group information associated with an MB session context received from an AF. At least a portion of the group information comprises a TMGI. A plurality of session join requests received from a plurality of UEs are processed. Each of the plurality of session join requests include the TMGI and are associated with the MB session context. A request associated with the MB session context for transmission to an MB-SMF is encoded. A response associated with the MB session context received from the MB-SMF is processed. The response includes a key derived for each of a portion of the plurality of UEs using a UE ID and the TMGI. A DL NAS message and an N2 message are encoded for the plurality of UEs and a base station, respectively. The DL NAS message and the N2 message include the derived key.
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Inventors:
GUO SHU (CN)
ZHANG DAWEI (US)
XU FANGLI (CN)
HU HAIJING (US)
LIANG HUARUI (CN)
VAMANAN SUDEEP MANITHARA (DE)
CHEN YUQIN (CN)
ZHANG DAWEI (US)
XU FANGLI (CN)
HU HAIJING (US)
LIANG HUARUI (CN)
VAMANAN SUDEEP MANITHARA (DE)
CHEN YUQIN (CN)
Application Number:
PCT/CN2020/124922
Publication Date:
May 05, 2022
Filing Date:
October 29, 2020
Export Citation:
Assignee:
APPLE INC (US)
International Classes:
H04W4/06
Foreign References:
| US20050026607A1 | 2005-02-03 | |||
| CN111406415A | 2020-07-10 |
Other References:
HUAWEI, HISILICON: "Editorial change to key issue 2", 3GPP DRAFT; S3-202476, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG3, no. e-meeting; 20201012 - 20201016, 2 October 2020 (2020-10-02), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051937778
"3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Study on Security Aspects of Enhancements for 5G Multicast- Broadcast Services (Release 17)", 3GPP DRAFT; S3-202137, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 31 August 2020 (2020-08-31), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051926078
JUNIPER NETWORKS, BBC: "Alignment on the use of terminologies for delivery methods", 3GPP DRAFT; S2-2004162, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. 20200601 - 20200612, 22 May 2020 (2020-05-22), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051890167
"3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Study on Security Aspects of Enhancements for 5G Multicast- Broadcast Services (Release 17)", 3GPP DRAFT; S3-202137, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, 31 August 2020 (2020-08-31), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051926078
JUNIPER NETWORKS, BBC: "Alignment on the use of terminologies for delivery methods", 3GPP DRAFT; S2-2004162, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. 20200601 - 20200612, 22 May 2020 (2020-05-22), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France , XP051890167
Attorney, Agent or Firm:
BEIJING HAN KUN LAW OFFICES (CN)
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