Distributed Secure Service Composition with Declassification in Mobile Clouds

The regional and dynamic characteristics of mobile clouds pose a great challenge on information flow security during service composition. Although secure verification approaches based on standard noninterference provide a solid assurance on information flow security of composite service, too strict constraints on service components may cause the failure of composition procedure. In order to ensure the availability of composite service, we specify the declassification policies based on cryptographic operations to allow data to be legally declassified. And we propose the improved distributed secure service composition framework and approach, which can realize different cloud platforms in multiple domains, cooperate with each other to complete the declassification, and secure composition procedure. Through the experiment and evaluation, it is indicated that our approach provides a more reliable and efficient way for secure service composition in mobile clouds.

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