name: NIA
full_form: Integrity Algorithm for 5G
context: The use and mode of operation of the 128-bit NIA algorithms are specified in Annex D. The input parameters to the 128-bit NIA algorithms as described in Annex D are, the message packet, a 128-bit integrity key KUPint as KEY, a 5-bit bearer identity BEARER value of which is assigned as specified by TS 38.323 [23], the 1-bit direction of transmission DIRECTION, and a bearer specific, and direction dependent 32-bit input COUNT which corresponds to the 32-bit PDCP COUNT. If the gNB or the UE receives a PDCP PDU which fails integrity check with faulty or missing MAC-I after the start of integrity protection, the PDU shall be discarded.
description: NIA (Integrity Algorithm for 5G) is a parameter used in the context of UP integrity mechanisms between the UE and the gNB. It refers to the input parameters required for the 128-bit NIA algorithms, including the message packet, integrity key KUPint, bearer identity BEARER, direction of transmission DIRECTION, and bearer-specific and direction-dependent COUNT.
explanation: The context explicitly mentions 'input parameters' which justifies classifying NIA as a Parameter. The description provided in the context outlines specific details about these input parameters, further solidifying its classification under this category.
section_title: 6.6.4.2	UP integrity mechanisms between the UE and the gNB
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biotag_Description: B-Parameter,O,O,O,O,O,O,O,O,O,O,O,O,B-Protocol,O,O,O,O,B-Device,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Parameter,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O