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• Cryptography and its past, present applications, and the future
• History of cryptography including Caesar, Substitution, Vigenere, and Playfair ciphers, one-time pad and mechanical ciphers such as Enigma
• Current secret-key cryptography including DES and AES
• Public-key methods including RSA
• Hashing, digital signatures and digital certificates
• Public-key infrastructures (PKI)
• Linear Feedback Shift Registers
• Steganography and watermarking
• Basics of steganography, watermarking, and elliptic curve cryptography
• The idea behind cryptocurrency (e.g. Bitcoin)
• Future cryptography including quantum computing and quantum cryptography