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    METHOD FOR IMPROVING DATA TRANSMISSION SECURITY
    2.
    发明公开
    METHOD FOR IMPROVING DATA TRANSMISSION SECURITY 审中-公开

    公开(公告)号：EP4210371A1

    公开(公告)日：2023-07-12

    申请号：EP23159792.3

    申请日：2019-02-14

    申请人： Telefonaktiebolaget LM Ericsson (publ)

    发明人： STATTIN, Magnus ,  LEHTOVIRTA, Vesa ,  NAKARMI, Prajwol Kumar ,  PHAM VAN, Dung

    IPC分类号： H04W12/10 ,  H04W4/70 ,  H04L9/32 ,  H04W12/00 ,  H04L9/40 ,  H04W12/03 ,  H04W12/108

    摘要： A method for improving data transmission security at a user equipment comprises receiving, from a source network node, a connection release message including instructions for computing a hash value for data to be included in a connection request message; computing the hash value based on the instructions included in the connection release message; calculating a token based on the hash value, and sending, to a target network node, the connection request message including the token. The method may further forward the data from the target network node directly to a gateway after the token has been verified. The method may reduce a signaling overhead by having a fixed-size hash value for data. Furthermore, the method may improve a transmission security by including the token in an RRC message, in which the token is calculated based on the hash value representing the data.