Although I think I understand the Vigenere Cipher pretty well and how it works, I didn't' really understand how we could guess the key length. It did say that it was just a best guess. It seems by increasing the key length it would make the encryption that much harder to break. However, I guess you don't want the key length to be comparably sizable to the text itself.
Reflective:
We essentially used the Vigenere Cipher for our project. I just made up the algorithm before I read this chapter but I think it is funny how when I wanted to come up with a simple cipher it is so similar to another cipher that has already been done. I think that is partly why cryptography can be so difficult because it's difficult to create something that is completely new because cryptography has been around for so long.
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