My First C-Sharp Project


You can find its Github homepage here

What I want to say

  • C# with .Net is actually the best language for developing Windows apps
  • Haven't used C# before, I heard it's a Java-like language (dunno Java, either) for Windows
  • I'm learning a lot from developing this... (thanks to Visual …

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Cryptography - Week 1


  • Sym. encryption
  • One Time Pad
  • Shannon: Perfect secrecy
  • History - Badly broken algorithms
  • Stream cipher - OTP in real life
  • Probability basics
  • Pseudo random gen - predictable
  • Negligible / Non-negligible


Sym. encryption definition


  • Sender and receiver use the same secret key for encryption and decryption,
  • or the same encryption scheme …

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