http://watserv1.uwaterloo.ca/~brobinso/cryptan.html also http://watserv1.uwaterloo.ca/~brobinso/rqmts.html Suggested courses CA-105 - Introduction to Cryptography and Exploitation of Manual Cryptosystems CA-107 - Exploitation of Manual Cryptosystems CA-123 - Shift-Register Cryptology CA-223 - Advanced Shift-Register Cryptology CA-247 - Vocoders for Cryptanalysts MA-213 - PTAH MA-246 - Cryptomathematics for Mathematicians MA-256 - Signal Processing Mathematics[24] Knowledge of the following areas of Mathematics is required: Probability and Statistics including Stochastic and Markov Processes, Linear Algebra and Abstract Algebra including Finite Field Theory, Shift Register and Polynomial Theory, Communications, Information and Coding Theory, Sampling Theory, Digital Filtering, Numerical Methods, and Fast Transformation Algorithms.