1988 New Canaan CT Letter

Re: 1988 New Canaan CT Letter

Postby jroberson » Fri May 01, 2015 2:13 am

Quicktrader wrote:Any hint that it is from 1988?




FBI letter very clearly states a temporal provenance of 1988.
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Re: 1988 New Canaan CT Letter

Postby Mr lowe » Wed Jun 28, 2017 7:05 pm

ok Yes I know I'm dragging up an old chestnut. and yes I think this is a dead duck.
Just something that is in this writing that sticks me, where he mentions "multiple transposition"
I can not remember seeing "multiple transposition" in the yellow book. That is what we are searching through now.
So if its not in the yellow book (maybe it is) and not mentioned any where else what 17 or 19 year old would posses that knowledge. me thinks not many
can someone down load the book and run it through a search optimiser please
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Re: 1988 New Canaan CT Letter

Postby Jarlve » Sun Jul 16, 2017 2:24 am

I have taken a look at the 169 cipher and noticed that the homophones are repeated sequentially. It is the same style of homophonic substitution as used in the 408. I am wondering how well known this was in 1988, it must have been mentioned somewhere in Graysmith's book right?

Code: Select all
FMGYOS3J4XYAP
12Hw/^TAq4ufZ
DIk544dYA36BM
lcpLX-YHKwqW+
QJTtIP|5duL*X
OwHQkf*7oG^fJ
SrIl\TYD*2NtE
38Ge6YZS9/qPF
1YK5l4BdruQ8M
p\Wq+qVot9A2X
frGAFLMN14qVw
7H2E|4TYAk0BM
ScZqpRdX*7Ye/

1  2  3  4  5  6  7  8  9  10 4  11 12
13 14 15 16 17 18 19 11 20 9  21 22 23
24 25 26 27 9  9  28 4  11 7  29 30 2
31 32 33 34 10 35 4  15 36 16 20 37 38
39 8  19 40 25 12 41 27 28 21 34 42 10
5  16 15 39 26 22 42 43 44 3  18 22 8
6  45 25 31 46 19 4  24 42 14 47 40 48
7  49 3  50 29 4  23 6  51 17 20 12 1
13 4  36 27 31 9  30 28 45 21 39 49 2
33 46 37 20 38 20 52 44 40 51 11 14 10
22 45 3  11 1  34 2  47 13 9  20 52 16
43 15 14 48 41 9  19 4  11 26 53 30 2
6  32 23 20 33 54 28 10 42 43 4  50 17

Code: Select all
Input to output key:
--------------------------------------------------
S: F1K89F1K89F1
H: M2M2M2M2M
A: GSlGSlGSlGS
U: YYYYYYYYY
N: O^D|O^D|
I: 3Puk3Puk3Puk
F: JQJQJQ
Y: 4444444
O: XwTdXwTdXwTdXwTdX
W: AAAAAA
T: HI5LHI5LHI5LH
K: ///
M: qqqqqqq
D: f*f*f*f*
E: ZpW+oNEZpW+oNEZp
L: 6B76B70B7
V: cc
P: -
R: tr\tr\tr
C: ee
B: VV
G: R

Mr lowe,

In the letters is written "multiple substitution". Possibly other wording for homophonic substitution or even polyalphabetic substitution.
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Re: 1988 New Canaan CT Letter

Postby Mr lowe » Sun Jul 16, 2017 6:57 pm

Jarlve wrote.
In the letters is written "multiple substitution". Possibly other wording for homophonic substitution or even polyalphabetic substitution.
AZdecrypt

yes, thanks for correcting me Jarlvie . I will down load the yellow book and see what is mentioned.
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Re: 1988 New Canaan CT Letter

Postby Seagull » Mon Jul 17, 2017 9:36 am

You can go to Google books and use the search function there for each book to try to locate that phrase.

Zodiac-

https://books.google.com/books/about/Zo ... 7gAAAAMAAJ

Zodiac Unmasked-

https://books.google.com/books/about/Zo ... BQ9jvHU80C

I did it and did not find that phrase in either book but maybe you can try other similar wording.
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Re: 1988 New Canaan CT Letter

Postby Mr lowe » Mon Jul 17, 2017 11:04 pm

Seagull wrote:You can go to Google books and use the search function there for each book to try to locate that phrase.

Zodiac-

https://books.google.com/books/about/Zo ... 7gAAAAMAAJ

Zodiac Unmasked-

https://books.google.com/books/about/Zo ... BQ9jvHU80C

I did it and did not find that phrase in either book but maybe you can try other similar wording.


thanks Seagull.
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