14PMT42 -Number Theory & Crytography Please Login to view this page Course Content Expand All | Collapse All Lessons Status 1 Introduction to Cryptography HILL CIPHER Polyalphabetic ciphers S-DES key Generation Transposition Terchniques Rotor Machine Working Model Principles of Rotor machines Conventional Encryption Simplified DES QuizzesStatus 1 14PMT42 -cryptography -Quiz By Malini Devi R | March 9, 2018 | PG Mathematics | Tags: pgmaths