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FBI needs our help

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Oskar45

Post subject: FBI needs our help

Posted: Thu Mar 31, 2011 10:10 am

Joined: Mon Dec 05, 2005 2:35 am
Posts: 2000
Location: Vienna, Austria

http://www.fbi.gov/news/stories/2011/ma ... sis_032911

Let's try together. Maybe we achieve something (with all these brilliant minds on here).

While I noticed a few interesting patterns, I didn't get far yet. Sure, I solved Pickover's "Cryptorunes" including "Prowl cove open" [which he claimed no reader ever solved - but it took me just about 5 minutes to crack]. And I also was the first to solve two other of his puzzles - earning me two of his books as rewards :-)

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GL1zdA

Post subject: Re: FBI needs our help

Posted: Thu Mar 31, 2011 1:40 pm

Joined: Thu Dec 31, 2009 3:18 pm
Posts: 222
Location: Warsaw, PL

If I had time I would start with some statistical analysis. This would at least tell us if it uses simple letter substitution (or rather prove that it doesn't, since FBI probably tried this already). Maybe he enhanced substitution with an escape mechanism, or changed the key every word/paragraph? The cipher can't be complicated, otherwise taking notes would take hours.

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PymbleSoftware

Post subject: Re: FBI needs our help

Posted: Thu Mar 31, 2011 3:08 pm

Joined: Tue Jul 15, 2008 4:48 pm
Posts: 1885
Location: P.O. Box 121, Pymble, Sydney, NSW 2073, Australia.

I did some undergrad linguistics at university. I suspect that I see a few morphemes in the code..
_ing
__ncbe

Perhaps "ing" meant something like +"ed" and __ncbe meant +ing or something like that.

The code standing up to that much crypt analysis probably means that it not something that plays by traditional rules...

R.

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maaarcooose

Post subject: Re: FBI needs our help

Posted: Fri Apr 01, 2011 4:22 am

Joined: Wed Apr 22, 2009 6:12 am
Posts: 228
Location: Bedford, UK

Damn it....

You had to put that in my brain.

Anyone got a text file of the notes?

!m!

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maaarcooose

Post subject: Re: FBI needs our help

Posted: Fri Apr 01, 2011 5:21 am

Joined: Wed Apr 22, 2009 6:12 am
Posts: 228
Location: Bedford, UK

My first pass at the notes.

The scan of the document doesn't help with reading some of the text. A colour scan would be preferable and I also suspect that what looks like mistakes in the writing are actually intentional.

Also there are a few occasions where there appear to be some non alpha characters.

I've also attempted to represent the indenting of the lines.

I would say it's a LISP program but there aren't enough brackets.

Code:

Note 1
--------------------------------------------------

(MND MKNEA RSE.N.STAKNARE)     ((ALsm)))
OTFRNENPINSENPBSERSBBNSENPRSEINC
PRSE N MRSE BPREHLDENLDNCBE(TFXLF TCXLNSBE)
AL-PRPPIT XLYPPIY NCBE MCKSE IN CD RCBRNSEPRSE
WLDRCBRNSE NT OBNENTKSE-CPSLE-CITRSEWLDNCDE
ALWLP N CBETSMELRSE RLSE URGLSNEAS N WLDNCBE
(NOPFSE NLSRE NCBE) NTE GDDMNSEN CURERCBRNE
     (TENE TFRNE N CBRTSE NCBE ING)
        (FIRSE PRSEONDE 71 NCBE)
       (CDNSE PRSEONSE 74 NCBE)
       (PRTSE PRSEONREDE 75 NCBE)
(TF NRCMSP SOLE MRDELUSE TOTE WLDN IHLD NCBE)
                    (194 WLD'S NCBE) (TRFXL)

               



               
Note 2
---------------------------------------------------

ALPNTE GLSE-SE ERTE
VLSE MTSE-CTSE-WSE-FRTSE
PURTRSEONPRSEWLD NCBE
NWLDXLRCNSP NEWLD STS MEXL
   DULMT 6 TUNSE NCBEXE

     (MUNSARSTENMUNARSE)
RLSE-LKSTE-TRSE-TRSE-MKSEN-MRSE
     (FAEGNSE SE NMBFE)

NMNRCBRNSEPTE 2PTEWSRC BEEE
36 MLSE 74 SPRKSE 29KSNOSOLE 173 RTRSE
35 SLE CLGSE OUNUTXEDKRSE PSESHLE
651 MTLSE HTLSE N CUTCTRS NMRE
99.84,5 2UNE PLSE NCBSE AOLTSE N SLSENBSE
  NSREONSE PUTSEWLD NCBE (3XORL)

ANMSE NRSE IN2 NTRLERCBANSE N TSRCR BNE
LSPNSE N GSPSE MKSERBSENCBEAV XLR
  HW CRENMRE NCBE   1/2 MUND PLSE
    D-W-N.4 MPL XDRLX

!m!

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Pontus

Post subject: Re: FBI needs our help

Posted: Sat Apr 02, 2011 12:52 pm

Joined: Thu May 08, 2008 11:12 am
Posts: 518
Location: Uppsala, Sweden

I saw this to, it will be interesting to see if it is cracked. I wonder if the guy invented his own language? In that case we would need a "windtalker", so to speak.

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[[C|-|E]]

Post subject: Re: FBI needs our help

Posted: Sat Apr 02, 2011 5:50 pm

Joined: Wed Mar 02, 2011 1:37 am
Posts: 408
Location: London - UK

Pontus wrote:

I saw this to, it will be interesting to see if it is cracked. I wonder if the guy invented his own language? In that case we would need a "windtalker", so to speak.

I think that this last point can be the major problem here. Maybe the guy just invented new random words, words he had in his memory. In this case, it would be really difficult to decrypt the message...

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porter

Post subject: Re: FBI needs our help

Posted: Sun Apr 03, 2011 9:07 am

Joined: Wed Nov 01, 2006 10:37 pm
Posts: 2912
Location: NZ

Perhaps it contains runcible spoonerisms.

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