spec: intro: mention 5G SUCI
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@ -18,6 +18,12 @@ their IMSI by imitating a Base Transceiver Station (BTS). IMSI catchers have
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become small and affordable, even criminals actors without much budget can use
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them to track anybody with a mobile phone.
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5G addresses this problem with the Subscriber Concealed Identifier (SUCI),
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which uses public-key cryptography to ensure that the permanent subscriber
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identity can only be read by the home network (3GPP TS 33.501, Section 6.12.2).
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A comparable, but different approach to conceal the IMSI for 2G, 3G and 4G is
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provided in this specification.
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=== Summary of Proposed Solution
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The solution presented in this document is to periodically change the IMSI of
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