'jgrahamc posted a Perl implementation of Alan Turing's method which made HN a couple of times [0], [1]. This is much better than brute force. For something a l

'jgrahamc posted a Perl implementation of Alan Turing's method which made HN a couple of times [0], [1]. This is much better than brute force. For something a little more accessible on mobile, I made this [2] at the time based on his Perl implementation. [0]: https://blog.jgc.org/2015/05/the-effectiveness-of-turings-vigenere.html https://blog.jgc.org/2015/05/the-effectiveness-of-turings-vi... [1]: https://hn.algolia.com/?query=The%20effectiveness%20of%20Turing%27s%20Vigen%C3%A8re%20cipher%20breaking%20technique&sort=byDate&dateRange=all&type=story&storyText=false&prefix&page=0 https://hn.algolia.com/?query=The%20effectiveness%20of%20Tur... [2]: https://github.com/cipherboy/vCAT https://github.com/cipherboy/vCAT