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Developed in the early 1970s at IBM and based on an earlier design by Horst Feistel, the algorithm was submitted to the National Bureau of Standards (NBS) following the agency's invitation to propose a candidate for the protection of sensitive, unclassified electronic government data.
Sep 20, 2023 · Learn about DES, a historic block cipher with a 56-bit key length and 16 rounds of encryption. See how DES performs initial permutation, key transformation, expansion permutation, and S-Box substitution.
Dec 15, 2021 · DES is a symmetric algorithm, meaning that it uses a single key both to encrypt and decrypt communications and other data. This is different from asymmetric encryption, which uses two unique keys to encrypt (public key) and decrypt (private key) data and communications.
Data Encryption Standard (DES), an early data encryption standard endorsed by the U.S. National Bureau of Standards (NBS; now the National Institute of Standards and Technology). It was phased out at the start of the 21st century by a more secure encryption standard, known as the Advanced.
