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We consider the novel problem of oblivious retrieval of images from an outsourced database server. Due to the complexity of managing images, in modern enterprise networks, individual users and organizations are using the services of external servers to store the images. The problem is to query and retrieve images while simultaneously satisfying the criteria of both the user and the database privacy...
Trusted channels establish trust of endpoint by linking endpoint configuration information to secure channels. Many trusted channels for client-server applications are established based on Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols. Two existing solutions for building trusted channels are shown to be vulnerable to collusion attacks in this paper. Then we propose a protocol...
In secure message transmission (SMT) protocol a sender S can send a message m to a receiver R in a dasiaprivatepsila and dasiareliablepsila way. S and R are connected by n channels where at most t of them can be fully controlled by an adaptive adversary with unlimited computational power. In this paper, noting the similarity between the privacy goal of SMT and an encryption function, we introduce...
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