SUCI – Subscription Concealed Identifier
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SUCI – Subscription Concealed Identifier

The SUCI is a partially encrypted SUPI (Subscription Permanent Identifier), used during procedures associated with the 5G System when the device has not been assigned a 5G-GUTI (5G Globally Unique Temporary Identity). The SUCI is created by encrypting the MSIN (Mobile Subscriber Identification Number) component of the subscriber’s IMSI.

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