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[codes] They Cracked This 250-Year-Old Code, and Found a Secret Society Inside … fascinating story of how the code of a long-forgotten secret society was cracked … ‘There were at least 10 identifiable character clusters that repeated throughout the document. The only way groups of letters would look and act largely the same was if this was a genuine cipher—one he could break. “This is not a hoax; this is not random. I can solve this one,” he told himself. A particular cluster caught his eye: the cipher’s unaccented Roman letters used by English, Spanish, and other European languages. Knight did a separate frequency analysis to see which of those letters appeared most often. The results were typical for a Western language. It suggested that this document might be the most basic of ciphers, in which one letter is swapped for another—a kid’s decoder ring, basically. Maybe, Knight thought, the real code was in the Roman alphabet, and all the funny astronomical signs and accented letters were there just to throw the reader off the scent. Of course, a substitution cipher was only simple if you knew what language it was in.’

How to Crack a 250-Year-Old Code

This entry was posted on Thursday, February 11th, 2016 at 12:31 pm and is filed under History.

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