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Introducción al DES en Criptografía by Johanna Arias is a document available to read on EtoBox.

What is Introducción al DES en Criptografía about?

The document summarizes the Data Encryption Standard (DES) algorithm. It was invented in the 1970s by IBM and the U.S. government to encrypt 64-bit blocks using a 56-bit key. The algorithm involves an initial permutation of the plaintext block, followed by 16 rounds of processing that use subkeys generated from the original key, and finally a inverse permutation to obtain the ciphertext block. Each round includes an expansion permutation, XOR with a subkey, passing the result through 8 S-boxes to substitute

Author

Johanna Arias

Language

EN