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The National Cipher Challenge

Part 10B trigram analysis

The mystery of the silver bullet Forums The Intelligence Room Part 10B trigram analysis

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    9KNo1
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    Hi – I have worked on 10B and have found some interesting things when analysing part B with Kasiski rule of three. There is a very blatant GCD when analysing trigrams. However, I am yet to make sense of how to decode the columns. ANy help and am I on the right track Harry? Is it a viginere?

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