BTW
I believe you were meant to use Kasiski’s method to work out the key word length of the vernier cipher in question 13 of the mid term.
https://pages.mtu.edu/~shene/NSF-4/Tutorial/VIG/Vig-Kasiski.html

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BTW
I believe you were meant to use Kasiski’s method to work out the key word length of the vernier cipher in question 13 of the mid term.
https://pages.mtu.edu/~shene/NSF-4/Tutorial/VIG/Vig-Kasiski.html