Jinseop-Sim / PNU-Computer-Security

Computer Security

It's Computer Security Class with PNU CSE

• Definition of Computer Security
• Cryptography Algorithm
  • Symmetric Key Algorithm(DES)
  • Asymmetric(Public) Key Algorithm(RSA)
• Authentication
  • Message Authentication
  • User Authentication
• Access Control
• Database Security
• OS Security
• Malware(Malicious Software)
  • Viruses
  • Worms
• Buffer Overflow
  • Stack Buffer Overflow
  • Heap Buffer Overflow
• Classic Encryption Algorithm
  • Substitution Cipher
    • Single Key : Caesar Cipher
    • Multiple key : Vigenere Cipher, Gronsfeld Cipher
  • Transition Cipher
    • Keyless : Rail Fence Cipher
    • Keyed : Simple keyed Cipher
• Modern Encryption Algorithm
  • DES(Data Encryption Standard)
    • DES Operation
  • AES(Advaced Encryption Standard)
• Number Thoery
  • Modular Arithmetic
  • Galois Field
  • Primes
  • Euler-Phi Function
  • Fermat's Little Theorem
  • Euler's Theorem
  • Chinese Reminder Theorem
  • Exponentation and Logarithm