Section: 10.5.5.33 Message authentication code
Content: The purpose of the Message authentication code information element is to protect the integrity of a NAS message. The Message authentication code is a type 3 information element with 6 octets length. The Message authentication code information element is coded as shown in figure 10.5.5.33-1/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ]  and table 10.5.5.33-1/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ] . Figure 10.5.5.33-1/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ] : Message authentication code information element Table 10.5.5.33-1/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ] : Message authentication code information element