Brunet.Security.PeerSec.Symphony.SecureConnectionHandler.GetSecureSender C# (CSharp) Метод

    protected bool GetSecureSender(Connection con, out SecurityAssociation sa)
    {
      sa = _so.CreateSecurityAssociation(con.State.Edge);
      bool ready = false;
      lock(_address_to_sender) {
        if(!_registered.ContainsKey(sa)) {
          _registered[sa] = true;
          sa.StateChangeEvent += SAStateChange;
        }

        if(sa.State == SecurityAssociation.States.Active ||
            sa.State == SecurityAssociation.States.Updating)
        {
          Address addr = con.Address;
          if(_address_to_sender.ContainsKey(addr)) {
            SecurityAssociation to_fixup = _address_to_sender[addr] as SecurityAssociation;
            if(to_fixup != null && to_fixup != sa) {
              to_fixup.StateChangeEvent -= SAStateChange;
              _registered.Remove(to_fixup);
            }
          }
          AddConnection(con.Address, sa);
          ready = true;
        }
      }
      return ready;
    }