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What is Permutation in DES Algorithm about?
This document summarizes a cryptography practice involving permutations and inverse permutations. The practice involves: 1) Permuting an input text using a permutation matrix to manipulate the text. 2) Performing the inverse permutation on the permuted text to recover the original input. 3) Implementing the process in C using bit manipulation to permute and inverse permute 8-byte strings as a demonstration of the encryption and decryption process.
- Author
- Luis Rodríguez
- Language
- EN