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CITS3002 Computer Networks |
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Product and Substitution Cipher BoxesEach 'box' is parameterized by the pairings of input->output wires, and each input->output mapping in invertible. An algorithm is, then, further parameterized by the arrangement of P- and S-boxes, and is also invertible.
The Substitution Stages
CITS3002 Computer Networks, Lecture 12, Cryptography's role in networking, p8, 22nd May 2024.
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