Section: 10.5.1.10 Group Cipher Key Number
Content: The purpose of the Group Cipher Key Number is to provide information on the group cipher key to be used for ciphering and deciphering by the mobile station. The Group Cipher Key Number information element is coded as shown in figure 10.5.9/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ]  and Table10.5.9/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ]  The Group Cipher Key Number is a type 1 information element with 1 octet length. Figure 10.5.9/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ]  Group Cipher Key Number Table 10.5.9/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ]  Group Cipher Key Number