Re: Solving For Lat/Long
dsr_at_Florence.edu
Date: 03/07/04
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Date: Sun, 07 Mar 2004 14:15:39 GMT
On 5 Mar 2004 21:29:45 -0800, cache_x3@yahoo.com (cache) wrote:
>Hi,
>
>I'm working on a problem that has me stumped and am looking for some
>ways to approach it. First, the ciphertext is:
>
>75°66'53.22" 57°17'42.76"
>
>or C = "7566532257174276". A clue to the keytext is "The Illuminati"
>and the key can be found somewhere on the Washington Monument and, I
>am told, it can be solved just by researching online.
>
>The plaintext will be Lat/Long coordinates which, I believe, to be in
>the same format as the ciphertext. Based on some other research, I
>believe the plaintext to be
>
>P = "39 a? b? ?? 77 b? b? ??"
>
>where the ?'s are unknown (between 0-9), a is most likely 0, and the
>b's are between 0 - 5. Note--I used b's as placeholders here to
>represent the more restricted possibilities. One b does not
>necessarily equal another b. They just have to be some number < 6.
>
>Some things I've tried:
>
>1) I tried a 10x26 Vigenere cipher matrix to look for keytext among
>inscriptions on over 150 memorial stones located on the Washington
>Monument, looking for all possible keys 3-16 digits long.
>
>2) I did the same thing, but built in a shift parameter when
>developing the 10x26 matrix (i.e. suppose the creator didn't start the
>first line of their matrix with 0-9, but 1-9,0 or 2-9,0,1, etc.)
>
>At one point, during the trials in #1 above, I came across a possible
>keytext of ORGEWASHINGTONGE, but this plotted me a little to far into
>the Atlantic Ocean (this was when I was considering the 2nd digit
>(P(2)) of the plaintext to range from 6 - 9. Since then, I've found
>that it is most likely 9)
>
>But that got me thinking of the keytext "GEORGEWASHINGTON". Matching
>the keytext with the ciphertext, there are 3 immediately discernible
>relationships:
>
>G E O R G E W A S H I N G T O N
>7 5 6 6 5 3 2 2 5 7 1 7 4 2 7 6
>
>-The first G E is exactly equivalent to the traditional numerical
>representation of letters (A=1, B=2, etc.) G = 7, E = 5.
>-The 2nd G E is shifted by two from the numerical representation (5 3
>vs 7 5), and significantly (or maybe not) they maintain their proper
>relative "distance" relationship.
>-The O N maintains the proper relative distance relationship.
>-If I take the numerical representation of the letters and reduce them
>MOD 10, the T O N becomes 0 5 4, which has the same distance relation
>as the respective keytext, 2 7 6.
>
>But, I get stuck on the O R and the H I. I assume that by doing this
>numerical analysis, I can find someway to place the keytext (or its
>numerical equivalent) into some table and figure out the plaintext.
>
>I also maybe just over analyzing this particular keytext and forcing
>these coincidences to occur by judicious choice of MOD, etc.
>
Over analyzing a puzzle to fit your preconception is easy to do.
Sometimes clues that are near the "dew point" if I can misuse that
term will send you down the rabbit hole. For instance, did anyone
else see a log and a sign in the Kryptos puzzle besides me?
>So, what I'm looking for is ideas on how to approach this. Maybe it's
>not Vigenere at all. Any ideas to how I should go about this?
>
>-Cache
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