About this document
Data Encryption Standard (DES) - Set 1 by iltse.f.valkery is a document available to read on EtoBox.
The Data Encryption Standard (DES) is a symmetric block cipher that encrypts data in 64-bit blocks using a 64-bit key, which is effectively reduced to 56 bits. DES operates through 16 rounds of encryption, utilizing a Feistel structure that involves substitution and transposition, and has been deemed vulnerable to attacks, leading to its replacement by the Advanced Encryption Standard (AES). The decryption process mirrors the encryption process, applying the same key in reverse order to retrieve the origina
- Author
- iltse.f.valkery
- Language
- EN