+ // 3GPP TS 38.331 (RRC) version 15.3 + // Section 18.104.22.168 Reception of the SecurityModeCommand by the UE + // The UE needs to send the Security Mode Complete message. However, the message + // needs to be sent without being ciphered. + // However: + // 1- The Security Mode Command arrives to the UE with the cipher algo (e.g., nea2). + // 2- The UE is configured with the cipher algo. + // 3- The Security Mode Complete message is sent to the itti task queue. + // 4- The ITTI task, forwards the message ciphering (e.g., nea2) it. + // 5- The gNB cannot understand the ciphered Security Mode Complete message.