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User Identity Privacy Protection in Public Wireless Local Access Network, WLAN, Access
User Identity Privacy Protection in Public Wireless Local Access Network, WLAN, Access
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机译:公共无线本地访问网络,WLAN,访问中的用户身份隐私保护
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摘要
Systems and methods relating to providing identity privacy over a trusted or untrusted non-3GPP access network in a wireless communication system are disclosed. In some embodiments, a method of operation of a wireless device comprises sending a message to a gateway (ePDG, N3IWF or TWAG) where the message comprises an anonymous user identity; receiving a request for obfuscating the user identity wherein the request comprises a server certificate; and validating the server certificate and sending a response message back to the gateway, comprising the user identity obfuscated by a public key associated with the server certificate. Similar methods are provided on the gateway side and AAA server side. In this manner, the user identity is protected when establishing the connection to the core network and protects against a man in the middle attack.
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