Brute Force and Sophistication

These are lecture notes from my Computer Science course.

Sources of power for brute force

  • Supercomputing
  • Dedicated crypto-hardware
  • Re-programmable hardware
  • The web

Special Purpose Hardware

  • Breaking enigma code
  • Expensive

Lots of stuff in this lecture that is just random background; stuff about cracking RC5 and DES using the web mass-computing stuff.

Quantum Computing

Forget Brute Force. Quantum Computing can do everything in parallel. However there’s a catch; you can only look at one result; the state ‘collapses’ in a manner consistent to the observation.

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