CSCI361: Cryptography Online Exam Security concepts, Mathematics required, Secret key cryptography, Classical cryptography: Cryptography and Secure Applications Assignment, WUS, Singapore

University Woolong University Singapore(WUS)
Subject CSCI361: Cryptography and Secure Applications

Main topics

  • Security concepts
  • Mathematics required
  • Secret key cryptography
  • Classical cryptography
  • Block cipher
  • DES, AES
  • Modes
  • Message Authentication Code
  • Public key cryptography
  • Public key encryption
  • Knapsack
  • RSA, Rabin
  • ElGamal
  • Digital Signature
  • ElGamal
  • DSS
  • Hash function
  • Key management
  • Secret sharing
  • Applications

Security concepts

  •  What, why, and who
  • Assets & threats
  • Security goals
  • Security principles

Classical cryptography

  • Cryptography vs Cryptoanalysis
  • Kerkchoff’s Law
  • Possible attacks
  • Caesar cipher
  • Monoalphabetic ciphers
    – Additive, multiplicative, affine
    – Keyphrase
  • Statistical analysis
  • Polyalphabetic ciphers
    – Vigenère cipher
  • The Kasiski method
  • The index of coincidence

Secret key cryptography

  • One-time pad
    – Perfect secrecy
  • Unicity distance
  • Confusion and Diffusion
  • DES design
    – Iterated cipher
    – Block and key size
    – The Feistel structure
    – Involution functions
    – Encryption and Decryption
    – S-box

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