873     KeyManager       &keyManager = Get<KeyManager>();  in ProcessTransmitSecurity()  local
884         aFrame.SetAesKey(keyManager.GetKek());  in ProcessTransmitSecurity()
889             aFrame.SetFrameCounter(keyManager.GetKekFrameCounter());  in ProcessTransmitSecurity()
890             keyManager.IncrementKekFrameCounter();  in ProcessTransmitSecurity()
920             aFrame.SetKeyId((keyManager.GetCurrentKeySequence() & 0x7f) + 1);  in ProcessTransmitSecurity()
933             BigEndian::WriteUint32(keyManager.GetCurrentKeySequence(), keySource);  in ProcessTransmitSecurity()
1569     KeyManager        &keyManager = Get<KeyManager>();  in ProcessReceiveSecurity()  local
1592         macKey     = &keyManager.GetKek();  in ProcessReceiveSecurity()
1602         if (keyid == (keyManager.GetCurrentKeySequence() & 0x7f))  in ProcessReceiveSecurity()
1604             keySequence = keyManager.GetCurrentKeySequence();  in ProcessReceiveSecurity()
1607         else if (keyid == ((keyManager.GetCurrentKeySequence() - 1) & 0x7f))  in ProcessReceiveSecurity()
1609             keySequence = keyManager.GetCurrentKeySequence() - 1;  in ProcessReceiveSecurity()
1612         else if (keyid == ((keyManager.GetCurrentKeySequence() + 1) & 0x7f))  in ProcessReceiveSecurity()
1614             keySequence = keyManager.GetCurrentKeySequence() + 1;  in ProcessReceiveSecurity()
1664 …    macKey     = (sequence == keyManager.GetCurrentKeySequence()) ? mLinks.GetCurrentMacKey(aFrame)  in ProcessReceiveSecurity()
1665 …                                                        : &keyManager.GetTemporaryMacKey(sequence);  in ProcessReceiveSecurity()
1709         if (keySequence > keyManager.GetCurrentKeySequence())  in ProcessReceiveSecurity()
1711 …keyManager.SetCurrentKeySequence(keySequence, KeyManager::kApplySwitchGuard | KeyManager::kResetGu…  in ProcessReceiveSecurity()
1733     KeyManager        &keyManager = Get<KeyManager>();  in ProcessEnhAckSecurity()  local
1781     if (ackKeyId == (keyManager.GetCurrentKeySequence() & 0x7f))  in ProcessEnhAckSecurity()
1785     else if (ackKeyId == ((keyManager.GetCurrentKeySequence() - 1) & 0x7f))  in ProcessEnhAckSecurity()
1789     else if (ackKeyId == ((keyManager.GetCurrentKeySequence() + 1) & 0x7f))  in ProcessEnhAckSecurity()