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quantum cryptography
-cL wrote: No, I want to try cracking it before I read about it :P
I don't think you have any clue on how hard it is to break algorithems (real ones, not the "look I made a vb.NET encoder").
You need pattern analyzers, mega-computers ("gibsons"), highly advanced mathematics (talk to mozzer about Math, if you don't understand him, you're toast) and much much more.
http://en.wikipedia.org/wiki/Quantum_cryptography
Not only math, but also chemistry/science is needed to "solve" this encryption. Trust me when I say you can't break it.