Here are some nice puzzles for you. Before you spend too much time banging your head against the wall with these, the author should mention here that they are hard puzzles, however they are hard not because of mathematical reasons, rather because we are not accustomed to seeing the obvious. So, cryptography and brute force mathematical deciphering won't be of much use to you. The puzzles are ordered in order of difficulty, so the easier ones are first.
related to this page?
Your key is the following permutation:
Deciphering the first set of numbers and using the key will allow you to recover a password. After you do, use the user name "guest1" along with that password which you got from the deciphering above, to see the author's version of: The Meaning of Life.
Good luck!