Zodiac Discussion Forum

f.reichmann
@f-reichmann
Eminent Member
Joined: January 17, 2018 3:15 am
Last seen: February 1, 2022 6:28 pm
Topics: 4 / Replies: 26
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Re: Nick Pelling’s Challenge Cipher #1 [SOLVED]

I suggest you three sources to read. You may study the code from AZDecrypt from the source code that Jarlve kindly is publishing, see viewtopic.php?f…

5 years ago
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Re: AZdecrypt 1.16

According to , the average word length in 20th century American is slightly below 5, and British English slightly above. Hence, I would expect a n-gra…

5 years ago
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Re: Is there a need for an OpenSource solver?

Hi Jarlve, thank you for your summary. I saw that you released the AZD source code. My deep respect, and thankfulness to you. I still need to analyse…

6 years ago
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Re: Is there a need for an OpenSource solver?

A documentation of experiments on how to provide a better scoring algorithm for solving. Disclaimer at the beginning: None of them is superior to the…

6 years ago
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Re: Is there a need for an OpenSource solver?

Thank you for submitting your code. In particular, it has the comments exactly where needed. For the algorithm from reading the code, I understand: -…

6 years ago
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Re: Is there a need for an OpenSource solver?

I am interested, and am myself, with limited amount of time, on a Java implementation. I do not mind moving to c++. I began with basically redoing zk…

6 years ago
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Re: Route Transposition and Phenomenon

Thank you both. This level of detail is exactly what I need to understand why my own code does not converge on the posted ciphers. I’ll be back!

7 years ago
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Re: Route Transposition and Phenomenon

How is a "transposition period 20" defined? Are you taking the 1st, then the 21st, then the 41st etc until end to get a first line of 17 sy…

7 years ago
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Re: Code to solve a rotating chiffre disk

I want to say thank you to all comments that were given. I made significant progress. doranchak made me reflect if the rotating chiffre disk is equiv…

7 years ago
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Re: Code to solve a rotating chiffre disk

The 340 has no vigenère keyword length spike of 13 and/or 26 which should be there if it is a perfect example (no nulls etc) of a "rotating chiff…

7 years ago
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Re: Code to solve a rotating chiffre disk

I thought about that, and wondered how often "+" would show up if you advanced the disk one position for each letter of the plaintext during…

7 years ago
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Re: Code to solve a rotating chiffre disk

I think I now fully understood the analogy to Viginère: The rotating chiffre disk is the special case of Viginère with the table top be a-z in sequenc…

7 years ago
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Re: Code to solve a rotating chiffre disk

Many thanks for the responses, I am very happy for the thoughts and feed-back. @doranchak Very interesting and attractive thought. First, what I had …

7 years ago
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Re: Rearranging the 340 with the power of computing

I have as well implemented a hill climbing and scoring inspired from zkdecrypto, and am trying a chiffre disk (each letter turning the disks by one ag…

7 years ago
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