Des And 3des Вђ“ Azmath -

Developed in the early 1970s by IBM and adopted as a federal standard in 1977, DES was the first widely used encryption algorithm. It is a symmetric-key block cipher that operates on 64-bit blocks of data using a 56-bit key. Its structure is based on a Feistel network, which involves 16 rounds of substitution and permutation. At the time, DES was a breakthrough, offering a standardized way for government agencies and financial institutions to secure digital communications.

Despite its architectural brilliance, DES had a fundamental flaw: its key length. A 56-bit key offers 2562 to the 56th power DES and 3DES – AZMATH

Ultimately, both DES and 3DES have been largely superseded by the Advanced Encryption Standard (AES), which is faster, more secure, and designed for modern hardware. However, understanding DES and 3DES remains essential for cryptographers, as they provide the conceptual foundation upon which contemporary data protection is built. Developed in the early 1970s by IBM and