A.1 General

3GPP44.064Logical Link Control (LLC) Layer SpecificationMobile Station - Serving GPRS Support Node (MS-SGSN)Release 17TS

This annex specifies how LLC shall interface with the GPRS ciphering algorithm. The requirements for the GPRS ciphering algorithm are contained in 3GPP TS 41.061 [2] (for GEA algorithms which require 64-bit ciphering key or Kc), and in 3GPP TS 43.020 [27] (for GEA algorithms which require 128-bit ciphering key or Kc128).