CPSC 3730

Classical ciphers, substitution ciphers, permutation ciphers. Shannon's information theory, entropy, Huffman codes, perfect secrecy and the one-time pad. Symmetric-key ciphers: block and stream ciphers. Public-key cryptosystems. Key distribution. Message authentication and digital signatures. Prerequisite(s): One of Computer Science 2620 or admission to the Post-Diploma B.Sc. in Computer Science AND Mathematics 2000