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Explain working of DES detailing the Fiestel structure.
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written 9.0 years ago by
teamques10
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- DES is a symmetric-key block cipher published by National institute of Standards and technology (NIST)
- The encryption process is made up of two permutations (p-boxes) and 16 Feistel rounds.
- Initial permutation: Initially, we shuffle the bits as per as pre-defined table. This is a very basic level of encryption.
- Fiestal …
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