Talk:Cryptanalysis of the Enigma
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Remark
Hello
I am very surprised after reading this article about Enigma. The authors cite the article of Gaj and Orlowski and the book of W. Kozaczuk, but there in the article is not written that polish mathematicians as first people in the world broke Enigma cipher ( I haven't found such sentence). There is only described their work, however without clear ascertaintion, that they broke this cipher. Only concerning Bletchley Park, the authors write about breaking the cipher of Enigma. The reader, who is not an expert in this matter may be desoriented.
I think it is not good.
Observer
- Thanks for taking the time to post your observations! It's certainly true that this article needs work, and that the nature and importance of the role of the Poles needs to be much more clearly stated — I'll try and get round to it soon, if noone else works on it (this being Wikipedia, you're very welcome to edit the page yourself, of course!).
- One note, though — the Polish were the first to break Enigma in the sense that they were the first to read live encrypted German military Enigma traffic, which they did after 1932. However, other codebreakers had "broken" some versions of Enigma earlier, in the sense of finding cryptanalytic weaknesses — GC&CS's Hugh Foss had found weaknesses in the commerical Enigma C as early as 1927 (and I suspect he wouldn't have been the only one). The Polish work was orders of magnitude more significant, but we just have to be careful and precise in how we phrase it. — Matt 06:55, 23 Sep 2004 (UTC)
sorry for direct language but the pole with wooden mockup enigam model is bs , no question. it comes from the time of around 1974 when Winterbothams "the ultra secret" book came out, archives were still secret and polish sources were ignored in the western world. that stuff should be deleted !
Key-size
Does anybody know how many different keys there are? It is hinted at in the Pre-World War II section:
- Finding the proper chains from the 105,456 possibilities was a tremendous task. The Poles, particularly Rejewski's classmates Jerzy Różycki and Henryk Zygalski, developed a number of methods. One technique used clear strips for each rotor showing which letters could be chained, with the letters that could not chain being blacked out. Users would pick up the strips and lay them over each other, looking for selections where the three letters were clear all the way through. The British had also developed such a technique when they succeeded in breaking the common commercial Enigma, though they failed to break the military versions of the Enigma.
But it isn't exactly clear whether 105,456 is, in fact, the right number. I think it would make sense to add, to the end of the Security section, something like "the XXXXXX Enigma had approximately 100000 possible keys" or whatever the correct number is. Ealex292 19:27, 10 Apr 2005 (UTC)
"Jeffreys sheets"
Not "Jefferson sheets." (And Zygalski invented them.) logologist 03:24, 11 Apr 2005 (UTC)
"Clear strips" technique
What is the source on the supposed Polish "technique [that] used clear strips for each rotor showing which letters could be chained..."? I don't recall seeing in the Polish documentation any mention of such a technique. I would be interested in reading about it. logologist 00:42, 12 Apr 2005 (UTC)