Lecture: Data Encryption Standard

Background Material

• Maple programming
• Lecture on Substitution and Permutation Cyphers.

Reading

• Sections 2.5 and 10.2 of the text
• Handout from Mollin

Topics

• Permutations and Permutation Cyphers
• Simplified DES (S-DES) algorithm
• S-DES implementation
• Overview of DES algorithm
• Cryptanalysis of DES

Resources

• lab2.mw - Maple lab on S-DES algorithm.

Assignments

• lab2.mw - Maple lab on S-DES algorithm.