Day: April 25, 2022
Confusion and diffusion – Block Ciphers and Their Modes of Operation
14.2.2 Confusion and diffusion What makes a good block cipher? Claude Shannon was perhaps the first to try and answer this question in a systematic way [162]. He defined two methods for frustrating a statistical analysis: A good block cipher will contain both components. In order to not give any hints about the plaintext statistics,…
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