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 Post subject: Home-made cipher challenge!
PostPosted: 23 Nov 2009, 06:31 
Shoulder Surfer

Joined: 23 Nov 2009, 06:21
Posts: 1
Hi geniuses,

Here's a challenge to decrypt a home-made hidden message.

]nhklbsObmeh]JMPXWKCKRFE9C;3FKC6IEML@)<C;B7]T#6;3_rxtkgnogzlje]_rih% ul}oE;0&t*K_F?4A6+2,+!(+>?A.$$|npkj~(z}5Vj,=n"(<B;42kkgfjx++!#*&~/-76<DHe`TUM^EEX`[Qau(%**(]pexqpQH\f`dynthg[6IPDLhWKQHL\]U\TeW@SVO`dU79LLJ%'01&D|t 1"_W^quyZ[Vvj[fy}qe`{s}uxiTZnpgw`sik]_abZmrj:MU__o9701B;<21D790)=1BB2-"{ 0r%-(~.`fz$z|xTVinf:AIKIg<C?7H:*"z--+qw{  %ekzl`h_smpaVifgxixqfebWlr&!sgvn"("vg`chy}E;45:V2*0<MO_rtv{+L@HDDBI\U`TEJ]X]SD2EPDHXxz x).p#FY,!M`\PMQrfzqgXAGJ]baGIJBSDK^ZNCScvklaqc[]dumBMUhfePDF=NLz 't?dw{}!$fd]ppnfmd_plTPWj^`7>RTK[:5.A87~(%,%5`shrdm{vpjhzne]z*Zmieiysu~spejiskn~\b[|-pCHUhZ\"557?Ot{~!@Pgnjb`pyqmebVCbv v&=EKRK@A5;26Fu(0('73?_rqpKSKB86YlAB7G[`ij)9=>FHYJ7<?=3C&&)/4D)!5..0."${,0E=CHR}ZbjbWg!5K^bZ60)0)~.""!26i]e]a}/<J>[kUh+>Q)KG><26BIE=NR*&(;;12*>>02u(}$59^c\onmZmXPahpllk*:_[]WhkOVjoig^VKPEUfoh{Uey,"zwpv) "($)1,',<% y,1)ispwp Ob[dZX!(Wj\Z&-)+1(mel+<ugnj}qsQY[UfmOJ?H>N4GOJ@>sr&&,/>6+!wmis'--=U_TZki8KSN@D)<7<<Bw8L3,%+..*~s<OD:.- |#6:3tknxw'0OcY_c;<PK=;% }#43]p{w|tMTPHK@'G[VH<vmsoni\VjcceYTW_d]GZOPEU_[]WQO=>3.K[XkRFM>eaZQbSGZe``pog{;YQ' 3*{$+'0"\ozv{s"xmndYwv#6).n!*+#"cdxxi2:ZmumORRFK@2EMH:>,3,#43D<56G8QSUKAQDK_ZL@>5BUZR?RZ_QH=?9LQI*,5/(,!($|-1qiatgpexthnlexUhpaFG[OLH02F<?>}0%&{+h_aY]`!&&zrIK__iyXOG?4D\PPVVfXkSNHKD@GCB920),1A.' )!kq% z}afmeiyj^`Wh[ZN[SVYACKFWWIOHG>N<CFYRKD9954+_SZm`Q80%*GWy,4/%5e_[bsxJTh]`_NBD;LJ()!4:=@7K@6.JAGIJJBDXSE9}sr1BI~v}>O#-@;:,*/&$$)sov)',Y`ttjzxnjbWgxo#"tyy{w(yZmupfvLGGSdU46JOOT>43+ 0*"(;<8,3G-'#0(*=B:}'|"37bc[nhlTSLC`p=PW^daicXTSci|qrgwHNp#baFAJKPE-!(03()$}057og{}t$"~v)*{&!z-0!jtqxq!D<@SYY%8@BSN y|!2/u($x{oa]ex q6*004P@8?7H93/72CGex#w{+no#w{+6I0+}xMHAGfvQRJ]`YVRSKO_PLTO`SUIA98HD;4+HX:MJKPE&93/2583(0!+&92'm uqztk%wp[\Ts$uRYmimi@HPch`MAI\N@07KRKM':687,p#|%{}8?_rfk@9MNH?)+5-0@12*"%5+'*){+\74:;,KBV]VKWNbWWHa]_VgX7?E=Zj,?GLB3"$&9>6iesk|!BU]_psFYUWXMPK@GXP68A6;Ku(*,1Ar%|~$ *=23(8ZmqeimXZTgldSNKLDGF;>E>N':E=@5<0671/^`f $4c[offYh\^Ufj_ab^bWMHEK\\ls{sr<cvprulyp$yod &~/'v)~}z*XkfheYVXRejb?DF>BEFMFYXMmmnf[TWjrmcsDEMnX=;4GHJB=66GCFKD8-=>??K\5ZPINSD/NbVUI)+4.'+}xu{,0w*&"wl^Z\bswDWY[ll6.BIIH&"$#-=K^5-04|//11,=4-!vr+'/*;,hi}}s#PHObhhB=:@QF8@FG=1)0--#3hhatyxQVYYjnL_TUJZ?FI\UN10(;9.;6+2C;32/0&6ry-4-"X`gfp GZT\_Xcbka]RMa\RbIAC76)4G>@FD}072,*{}%8*(cvrnr"ed]TedFL`f\`UMaZWPRMFGX\OFG;:JOG[O`]ZRJ]ZSLDXNTV"' wCSl$,&,dlt'ywSZ]_Td:?<;?Ow}1225TJFt%}7=QGJO}034E=efnji`;2Re]_c^aVIEUQQZPR


Hints:
1. The hidden message was encrypted with a simple home-made encryption algorithm.
2. The message was encrypted with a simple symmetric key, i.e.: 123.
3. The message is in English.


Let's see who is the fastest to crack this code.

Download the original here:


Attachments:
hiddenMsg.txt [2.28 KiB]
Downloaded 16 times
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 Post subject: Re: Home-made cipher challenge!
PostPosted: 23 Nov 2009, 06:33 
Rainbow Table

Joined: 04 Jun 2008, 06:26
Posts: 271
hey i've noticed this for awhile, does anyone know why my browser shows up a Square with like 007E for some of the characters, is it some sort of Unicode thing? Eg with the above msg i'm seening boxes.

That sure looks confusing, anyhow i think we mainly deal with hashes (which cannot be properly be reversed as opposed to ciphers here) that is if you don't take take des/LM into account.
Is anyone going to try this?



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