How is user identity protected 5G?

In 5G, a subscriber long-term identity is always transmitted over the radio interfaces in an encrypted form. More specifically, a public key-based encryption is used to protect the SUPI . Therefore, only the SIDF has access to the private key associated with a public key distributed to UEs for encrypting their SUPIs.

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Which 3GPP releases cover 5G?

After initial delivery in late 2017 of ‘Non-Stand-Alone’ (NSA) NR new radio specifications for 5G, much effort focused in 2018 on timely completion of 3GPP Release 15 – the first full set of 5G standards – and on work to pass the first milestones for the 3GPP submission towards IMT-2020.

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