Puzzle Time đŸ™‚
 

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One for the code breakers. Found it on the FBI site.

[img] http://www.fbi.gov/news/stories/2011/march/cryptanalysis_032911/image/cyphered-note [/img]

[img] http://www.fbi.gov/news/stories/2011/march/cryptanalysis_032911/image/encyphered-note [/img]

[url= http://www.fbi.gov/news/stories/2011/march/cryptanalysis_032911 ]More Info Here[/url]


 
Posted : 02/05/2011 11:05 am
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Oh ok, I'll just put down my work and spend a few weeks grappling with this...


 
Posted : 02/05/2011 11:10 am
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Something about next time it being a child's face?


 
Posted : 02/05/2011 11:11 am
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@molgrips.

Get on with it then đŸ˜‰

I bet it's just a shopping list or something.


 
Posted : 02/05/2011 11:11 am
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If it's confused code breakers for 12 years then seems a safe bet that they are all barking up the wrong tree.

Let's see. If I were a somewhat bright school dropout, how would I encrypt my messages...?

Oh, and anyone else notice that almost all the words end in E? Seems to suggest it's not a cipher.


 
Posted : 02/05/2011 11:18 am
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CnP from fbi site:

Breaking any code involves
four basic steps:

1. determining the language used;
2. determining the system used;
3. reconstructing the key; and
4. reconstructing the plaintext.

Consider this cipher: Nffu nf bu uif qbsl bu oppo.

Now apply the four steps:

1. Determining the language allows you to compare the cipher text to the suspected language. Our cryptanalysts usually start with English.

2. Determining the system: Is this cipher using rearranged words, replaced words, or perhaps letter substitution? In this case, it’s letter substitution.

3. Reconstructing the key: This step answers the question of how the code maker changed the letters. In our example, every character shifted one letter to the right in the alphabet.

4. Reconstructing the plaintext: By applying the key from the previous step, you now have a solution: Meet me at the park at noon.


 
Posted : 02/05/2011 11:50 am
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I reckon it's one of those codes made up from a personal library.

certain page, certain para, line and word.


 
Posted : 02/05/2011 11:59 am
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Yeah but that stuff assumes certain preconditions. That approach is aimed at things written in a known natural language and then encoded, which is necessary for dissemination of a coded message amongst speakers of that language.

This is most likely something he made up in isolation. It'd be like trying to translate Egyptian hieroglyphics which is was impossible until we got given a clue, so to speak.

certain page, certain para, line and word.

No cos almost all of the words end in E. It can't be based in any natural language therefore can it? What language has all the words ending in the same letter?

You need to find out as much as you can about the person concerned first, I think. They say he was doing this as a boy. Well, how do small boys come up with codes? What was he into at the time? Say he was reading superhero comics or spy novels - something there might give a clue as to what he was doing. Or it could've just been a movie he saw along with everyone else.

What was concerning him at the time? It looks like notes, given the indentation and circling of different paragraphs. Why do you or I take notes around the place with us? To help with our current projects and/or tasks. So what were they?


 
Posted : 02/05/2011 12:02 pm
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Is it the serial for a snide copy of Windows 8?


 
Posted : 02/05/2011 12:18 pm
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The gist of it is:

The testicles are in the suitcase don't forget the antimacassar.

The rest is just filler designed to confuse the amateurs.


 
Posted : 02/05/2011 1:32 pm
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What is intresting is how some of the letters are written differently each time, look at the differences in R's in the first page. Some look left handed ones others right. I think it's been written at different times of day, the thickness of the line varies with pressure, often this matches mood. It's almost like a conversation with himself.


 
Posted : 02/05/2011 2:04 pm
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Agreed. Plus, the format of it and the circling.


 
Posted : 02/05/2011 2:07 pm
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I'd suspect that the most likely translation would be "random bollocks to waste the time of the FBI's cryptologists."


 
Posted : 02/05/2011 3:14 pm

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