MSG #553 2021-06-22 12:26:05.793
RRC

     DCCH: Security Mode Command
    {
      message c1: securityModeCommand: {
        rrc-TransactionIdentifier 0,
        criticalExtensions c1: securityModeCommand-r8: {
          securityConfigSMC {
            securityAlgorithmConfig {
              cipheringAlgorithm eea2,
              integrityProtAlgorithm eia2
            }
          }
        }
      }
    }