Secure infromation transmission and data storage in distibuted systems

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Deployment of large numbers of ubiquitous wireless communication devices, and distributed databases offers new opportunities and challenges. In this paradigm, users may use their cellphones or PDAs to form impromptu networks. They will authenticate themselves to each other using their biometric traits, and access information gathered by a network of sensors and stored on distributed databases across conventional and new types of networks. The proposed research will address security issues in such a paradigm. It is comprised of the study of problems in three main areas of secure, distributed database and information systems. First, we are interested in security issues related to how information is gathered in distributed systems such as sensor and ad hoc networks. Second, we will examine how information is stored and retrieved securely over distributed databases.  Third, we will study the use of biometric cryptosystems and resource constraint devices for secure information access.