The Devil’s Cipher revived
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 This topic has 17 replies, 6 voices, and was last updated 1 week, 4 days ago by Mattyrat2027.

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7th January 2022 at 6:50 pm #68764TheLetterWrigglerParticipant
But @Mattyrat2027 sinkrad says he has solved it and way back on the 22nd November too!
It seems like Awesomeness is not here to answer.
@sinkrad you could put up a MD5 of the plaintext for now as your proof, and a check for if anyone else gets it, and you could take over as the hint giver.Hope you will give solution and plaintext at a later date.
10th January 2022 at 10:13 am #68769TheLetterWrigglerParticipant@sinkrad do you mean like this?
From the 320 unique numbers
172 of the numbers are divisible by 2
110 of the numbers are divisible by 3
91 of the numbers are divisible by 4
69 of the numbers are divisible by 5
52 of the numbers are divisible by 6
45 of the numbers are divisible by 7
41 of the numbers are divisible by 8
36 of the numbers are divisible by 9
41 of the numbers are divisible by 10
32 of the numbers are divisible by 11
31 of the numbers are divisible by 12
16 of the numbers are divisible by 13
26 of the numbers are divisible by 14
27 of the numbers are divisible by 15
0 of the numbers are divisible by 16
20 of the numbers are divisible by 17
16 of the numbers are divisible by 18
21 of the numbers are divisible by 19
19 of the numbers are divisible by 20
15 of the numbers are divisible by 21
20 of the numbers are divisible by 22
19 of the numbers are divisible by 23
14 of the numbers are divisible by 24
17 of the numbers are divisible by 25
7 of the numbers are divisible by 26
12 of the numbers are divisible by 27
13 of the numbers are divisible by 28
6 of the numbers are divisible by 29
13 of the numbers are divisible by 30
10 of the numbers are divisible by 31
0 of the numbers are divisible by 32
11 of the numbers are divisible by 33
9 of the numbers are divisible by 34
10 of the numbers are divisible by 35
10 of the numbers are divisible by 36
6 of the numbers are divisible by 37
8 of the numbers are divisible by 38
4 of the numbers are divisible by 39
10 of the numbers are divisible by 40
11 of the numbers are divisible by 41
9 of the numbers are divisible by 42
5 of the numbers are divisible by 43
9 of the numbers are divisible by 44
11 of the numbers are divisible by 45
12 of the numbers are divisible by 46
9 of the numbers are divisible by 47
0 of the numbers are divisible by 48
7 of the numbers are divisible by 49
8 of the numbers are divisible by 5010th January 2022 at 11:34 am #68776CosmicCatParticipantWow, fantastic work @sinkrad.
I somehow missed that you solved this back in September (I think the forum stats are a bit wonky).
I originally attempted this over a year ago and was resigned to the thought that I’d never know the answer.
Based on your hint I also performed the same calculations posted by @TLW above.
The thing that stood out to me is that none of the 320 distinct values are divisible by 16.
In binary terms this means that every value has at least 1 bit set in the bottom 4 bits.
The range of values is 183986, which needs 5 bits min and 12 bits max to represent.I still haven’t figured out anything that fits though.
(Incidentally my efforts with this cipher have not all been for nothing, one of my failed ideas turned out to be the method used in madness20211!)
10th January 2022 at 12:35 pm #68778madnessParticipant@CosmicCat, I said no hints!
11th January 2022 at 6:13 pm #68791Mattyrat2027Participant17th January 2022 at 9:24 am #68796CosmicCatParticipantIt’s only taken a year but I finally got it.
I was in the process of writing a response to @Mattyrat2027 to say it’s not necessarily binary when I realised I hadn’t actually tried the most obvious conversion based on the observation above.
Thank you @sinkrad for that little nudge in the right direction.
@madness, sorry – I wasn’t thinking. 
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