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The Data Encryption Standard (DES) has shown noticeable signs of aging during the last two decades. In this paper we develop a system that is a DES-variant with more resistance towards the possible(More)
This chapter starts by defining networks and their uses. The reasons behind using a computer network are also introduced in this chapter. This is followed by definitions of the most commonly used(More)
In this paper, a new cryptanalytic attack on DES is presented. The proposed attack is a known-plaintext attack based on neural networks. In this attack we trained a neural network to retrieve parts(More)