What is the purpose of the expansion box in the DES encryption process?
Thursday, 03 August 2023
by EITCA Academy
The expansion box, also known as the E-box, plays a important role in the Data Encryption Standard (DES) encryption process. It is a fundamental component of the DES block cipher cryptosystem, which is widely used in classical cryptography. The purpose of the expansion box is to expand the input data from 32 bits to 48
- Published in Cybersecurity, EITC/IS/CCF Classical Cryptography Fundamentals, DES block cipher cryptosystem, Data Encryption Standard (DES) - Encryption, Examination review
Tagged under:
Classical Cryptography, Cybersecurity, Data Encryption Standard, DES, E-box, Expansion Box