Tuesday, January 9, 2007

Section 2.1 - 2.4

The first method for breaking the Vigenere cipher was slightly difficult to understand though the second method was much clearer. Just trying random letters for frequencies in the vector seemed very akward.

I thought the affine ciphers were pretty cool and it would be interesting to see what would happen if a gamma and delta were added to the function. Also the digram method seemed very cumbersome but it was interesting to see how the proximity of certain letters could be used to crack substitution ciphers.

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