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    5G KEY GENERATION/ECGPT KEY GENERATION AND SUCI CALCINATION
    1.
    发明公开
    5G KEY GENERATION/ECGPT KEY GENERATION AND SUCI CALCINATION 审中-公开

    公开(公告)号：EP4513925A1

    公开(公告)日：2025-02-26

    申请号：EP24195852.9

    申请日：2024-08-22

    Applicant: Giesecke+Devrient Mobile Security Germany GmbH

    Inventor： Pandey, Ankit ,  Mishra, Santosh Kumar

    IPC: H04W12/041 ,  H04L9/08 ,  H04L9/14 ,  H04L9/30 ,  H04L9/40

    Abstract: A method for generating, in a UICC, a 5G subscriber concealed identifier, SUCI, for a 5G mobile communication network, the method comprising the steps executed in a processing entity comprised in the UICC:
    (1) generation of a public/private key pair or an ECC public/private key pair;
    (2) DH or ECDH derivation of an Ephemeral shared key from the public/private key pair or ECC public/private key pair;
    (3) derivation of a symmetric encryption key from the Ephemeral shared key;
    (4) concealment of at least a partof a subscriber permanent identifier, SUPI, particularly MSIN or username, with the generated symmetric key to compute the SUCI,
    characterized by
    - steps (1), (2) being triggered by occurrence of a deterministic event at the UICC, and further comprising: storing the generated public/private key pair or ECC public/private key pair and Ephemeral shared key to a key memory provided in the UICC; and
    - steps (3), (4) being triggered by receipt of a the GET IDENTITY command at the UICC subsequent to steps (1), (2).

    PRIVACY INDICATORS FOR CONTROLLING AUTHENTICATION REQUESTS
    7.
    发明公开
    PRIVACY INDICATORS FOR CONTROLLING AUTHENTICATION REQUESTS 审中-公开

    公开(公告)号：EP4429295A3

    公开(公告)日：2024-11-20

    申请号：EP24191132.0

    申请日：2018-04-30

    Applicant: Nokia Technologies Oy

    Inventor： NAIR, Suresh ,  JERICHOW, Anja ,  SEEFELDT, Annett

    IPC: H04W12/02 ,  H04L9/40 ,  H04W12/033 ,  H04W12/041 ,  H04W12/069

    Abstract: For example, a method comprises: receiving, at an element or function in a communication network from a user equipment (102) of the communication network, a message comprising one or more privacy indicators and a request, wherein the request comprises a subscription identifier for a subscriber associated with the user equipment (102), the one or more privacy indicators comprising a field indicating whether the subscription identifier in the request is privacy-protected; determining one or more privacy features for processing the message based on the one or more privacy indicators; processing the message comprising the request to determine the subscription identifier; and identifying at least one of a Home Subscriber Server, HSS, or a User Data Management, UDM, function to which to provide the request.

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