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People sensing occurs everywhere, in the Internet of Things (IoT). Cameras are being increasingly used because they provide inexpensive and effective sensing devices. However, the camera acquires the information that identifies an individual, there is a problem that the privacy of the person is invaded. Furthermore, since home appliances are increasingly being connected to the Internet via the IoT,...
The study of the knapsack PKC is important from both practical and theoretical standpoints. We proposed a double-sequence knapsack PKC on the basis of MH PKC. We also proposed a single-sequence knapsack PKC using the Chinese remainder theorem on the basis of this scheme. In this paper, we explain the double-sequence knapsack PKC and the single-sequence knapsack PKC. We describe examples of trapdoors...
FPGAs are widely used recently, and security on configuration bitstreams is of concern to both users and suppliers of configuration bitstreams (e.g., intellectual property vendors). In order to protect configuration bitstreams against the threats such as FPGA viruses, piracy and reverse engineering, configuration bitstreams need to be encrypted and authenticated before loaded into FPGAs. We previously...
In this paper we propose a new trapdoor in knapsack public-key cryptosystem, where two independent sequences is used as the public key. We show that the proposed scheme is secure against the low-density attack, because the density can be made as large as one desires. We also discuss the security of the secret key of the proposed scheme.
In this paper we describe the KMN PKC and the special class of it. KMN PKC has the feature that, two sequences are used as the public keys. We discuss on the security of KMN PKC against the low-density attack with computer experiments.
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