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Computers and Technology, 30.03.2020 21:59 july00

A. The DES algorithm is based on the idea of the Feistel cipher. Explain how the Feistel cipher structure achieves substitution and permutation. b. A secure block cipher must be able to achieve strong confusion and diffusion in order to be able to viably resist cryptoanalysis. Explain what these concepts mean and why they are important.

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A. The DES algorithm is based on the idea of the Feistel cipher. Explain how the Feistel cipher stru...
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