name: SLPIK
full_form: NR PC5 Integrity Key
context: When calculating a SLPIK or SLPEK from SLPTK, the following parameters shall be used to form the input S to the KDF that is specified in Annex B of TS 33.220 [12]: - FC = To Be Defined - P0 = 0x00 if SLPEK is being derived or 0x01 if SLPIK is being derived - L0 = length of P0 (i.e. 0x00 0x01) - P1 = algorithm identity - L1 = length of algorithm identity (i.e. 0x00 0x01) The algorithm identity shall be set as described in TS 33.501 [11]. The input key shall be the 256-bit SLPTK. For an algorithm key of length n bits, where n is less or equal to 256, the n least significant bits of the 256 bits of the KDF output shall be used as the algorithm key.
description: SLPIK (NR PC5 Integrity Key) is a parameter used in the calculation of keys from SLPTK, specifically for deriving integrity keys in the 5G New Radio (NR) system. It is an essential component in ensuring secure communication within the network.
explanation: SLPIK is classified as a Security Parameter because it directly contributes to the security of the 5G NR system by being used in the derivation of integrity keys, which protect against unauthorized access and data manipulation.
section_title: A.4	Calculation of keys from SLPTK
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biotag_Description: B-Parameter,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Technology,B-Technology,I-Technology,O,O,O,O,O,O,O,O,O,O,O,O,O,O