Integrated avionics system is a highly integrated and modularized system.It strongly requires the reliability of platform
the confidentiality and integrity of information.Software alone does not provide an adequate foundation for building a high-assurance trusted platform.The access control policies based on trusted hardware and trusted computing technologies were focused.By using BLP model and BIBA model
an access control model was brought for ensuring the confidentiality and integrity of information
which greatly improved integrated avionics system’s security.