Zodiac Discussion Forum

Largo
@largo
Honorable Member
Joined: June 14, 2016 1:38 pm
Last seen: April 8, 2022 2:51 pm
Topics: 33 / Replies: 421
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Re: My thoughts on Pivots with an example.

Hi curiousben, another way to quickly detect pivots is my tool Peek-a-boo: viewtopic.php?f=81&t=3255 I also have a tool to automatically create…

6 years ago
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Re: AZdecrypt code speedup suggestions

Oops, I forgot to post the links: viewtopic.php?f=81&t=4040

6 years ago
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Re: AZdecrypt code speedup suggestions

Hi beijinghouse, I fully agree with you that AZDecrypt is a fantastic and very effective tool. Even though your post is mainly addressed to Jarlve, I…

6 years ago
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Re: Special bigram peaks

I’ve done some tests with different self-created ciphers. I used transpose P19 and some diagonal transpositions. From these ciphers I generated heat m…

6 years ago
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Re: Special bigram peaks

Here are the heatmaps: z340 unmodified z340 resized to 20×17 In the upper image you can see z340 unmodified. In the second image z340 was r…

6 years ago
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Re: Special bigram peaks

On this image you can see again what the shifting of the cipher to the left causes. In the unmodified z340, a P19 transposition causes the reversed D …

6 years ago
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Re: Special bigram peaks

Happy new year! This is once again one of those coincidences…I couldn’t sleep well a few days ago and promptly z340 haunted my head. (Not a good th…

6 years ago
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Re: My thoughts on Pivots with an example.

Hi curiousben, Very thoughtful and clean work in my opinion. Thank you very much for your contribution. I agree with smokie, thanks for your contr…

6 years ago
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Re: Route Transposition and Phenomenon

Mystery cipher: I only tried it for a quarter of an hour. Unfortunately I don’t have the time at the moment. My (few) tests suggest that a rotation …

6 years ago
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Re: Period 15 & 19 + nulls & skips hypothesis

Thank you both very much for this really remarkable work. Being able to exclude this theory is a really important aspect. I have followed the threads …

6 years ago
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Re: Period 101 and its 5gram

What are the average raw ioc for your test ciphers at 0, 25, 50, 75 and 100% cycle randomization? Here are the results: Only ciphers with Raw IOC &…

6 years ago
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Re: Period 101 and its 5gram

Abnormal distribution of data. Your mean is 0.0001716 while the minimum is 0. That creates an extremely left skewed distribution curve. To be honest …

6 years ago
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Re: Period 101 and its 5gram

Yep. Cycles increase the odds of having longer n-grams occur through period 1 to 170. Though the phenomena is still unlikely. That’s really interest…

6 years ago
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Re: Period 101 and its 5gram

I ran my own test that just returns the longest n-gram repeat found. About 1 in 5000 randomizations have a 5-gram or better closely matching your own …

6 years ago
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Re: Period 101 and its 5gram

And immediately the TODO has opened again. If I had read correctly, I would have seen that it is about the number of ngrams at different periods. I th…

6 years ago
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