All pages tagged with cryptanalysis
S-Box Modifications and Their Effect in DES-like Encryption Systems
This paper presents the substitution boxes (s-boxes) found in many block ciphers, and more specifically in DES-like encryption systems. It begins with a brief history of the Data Encryption Standard ...
Written by: Joe Gargiulo and added on Feb. 1, 2011Basic Cryptanalysis Techniques
The only application referenced in this document is the CRyptoANalysis ToolKit (CRANK). A basic understanding of cryptanalysis is essential to appreciating the complexities of a good cryptographic algorithm. For example ...
Written by: Craig Smith and added on Feb. 1, 2011