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This forum is meant for discussing and sharing ideas of the Level I challenges. Do not post any complete solutions or codewords for any of the challenges. In case of posting solutions your post will be deleted and your account will be banned immediately.



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 Post subject: Challenge "Enigma Messages with Repeated Letters — Part 1"
PostPosted: Thu Sep 26, 2013 15:05 
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Joined: Wed Sep 30, 2009 14:10
Posts: 246
In this part of this series of Enigma challenges, a plaintext message consisting of one letter which is repeated several times has been encrypted by the Enigma I. What is the letter we are looking for?
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Last edited by admin on Fri Mar 14, 2014 10:02, edited 1 time in total.

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 Post subject: Re: Challenge
PostPosted: Thu Sep 26, 2013 23:32 

Joined: Wed Jul 27, 2011 17:13
Posts: 243
I solved this challenge (and the letter I submitted was correct) but I was not able to determine the precise setting of the enigma. I only found the letter that gave me the longest ciphertext which was same as part of ciphertext in the challenge.

So either I have made a mistake or this challenge has no solution.
It is likely that my algorithm could have some minute error and that is why this happened.
I would like if somebody, who has already solved this challenge and thinks that she/he has the correct setting, could send me the precise settings of enigma in PM to me. Thanks!


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 Post subject: Re: Challenge
PostPosted: Fri Sep 27, 2013 16:57 

Joined: Wed Jul 27, 2011 17:13
Posts: 243
Finally I found the error in my algorithm. There were some problems with stepping of two rotors.
Thanks to those who replied me.


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