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Cryptanalysis library for breaking classical ciphers

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Not sure why, but this does not get decrypted properly N VVWJN ENB A PWINRG ITNNG WE VEEKRWAEG VW FRCQJL WICJN. GPR OUAKGROAA BO A AQASA VVPUUQMQ NSCQBWATM, QNCRXGROA, IAM...

This is a big job, it will be done piecewise.

There is an issue with chi_squared where by you can be penalised easily for silly mistakes. For instance trying to score the text "abc" against english.unigrams wont work because the...

quipquip.com puts whitespace in the resulting plaintext for you even if there are no whitespace hints. I'd like to add this feature.

enhancement
help wanted

The current hardcoded solution takes too long for examples which can be cracked with only 2 trials. I need to come up with a way to estimate what the best...

enhancement

Currently scoring functions get run in sequence, however for certain functions, this process will take too long. I would like to support an option to only run a subsequent function...

enhancement

Using ngram analysis simple substitution works well for ciphertexts of length 250 characters or more. Current thought is to try a corpus along side ngram to check for word existance...

enhancement