The modifed Vigenere cipher will use a unique Caesar shift on a per-word basis corresponding to the wordnumber in the sentence

does this mean that we should look for dots?


The lower-case cipher block will only be used if lower-case characters are present in the plain, crypto, or cipher text. The numeric and upper-case block will always be used

in english, lower case is only used if lower-case letters are found in input.

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