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#1 Ouroboros

Ouroboros

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Posted 20 March 2010 - 09:26 PM

Here is a simple Cryptography challenge, I'm going to start you guys off with a polyalphabetic cypher, and I'll post a tutorial in a week to show those who don't know how to break it.

Redtg Lqxrwd! Yvin tg awo gyu zino toajvwn bre Ciksaui lmkd, Qd ik if svdejmkdqxg emlrwn ox kjixdafidiass. Lw ekso tzqk oicy lw vy Q'w ggvfk bby lw ekso tzqk ka fejjgcm ks hwkcqllw.
Bzsa ss sv whiwpdm gp bre Nqyovorw kqzpor. Stky sxoov sc to czqxpzo iflwmpsfxmjkjve (lpw evlrwickjve ughrmb), il psc polv albwxg xwj rcxdjmvc wp ywijc.
Eo hsdw ybrej 'cflzoacitvm' myhpwba cuup sc IOS lwvkg, roo tgxo enlqd dpss xidva ks omdv, ixd opg gqvl tm lrm ynw bg lzoac ql?
Cw iesp, lrqc slcxp qc jmal ltktwvl pqvlwz, lrm gaq bzo Sksaacs bosl egbsc ik gge tyoc ngb zopwilol ceymeovds av lrm movm (sd toakb 3) sxl esw i xkkdoj wx ktv tzm vsadafkwc by dwbwbusnw bzo soykqro, ixd xzgw brejm ada k sauhvm walbwb by bjclo nyrum lrm ueq sfyesny qlc aszw! I xkkdoj bzkb wacmk dpss wiksmb ik bzo tonybz yn dhw kqzporlmpd, bre dijqmb tzm lofd if zwvidigv ly bre cmq dpo gjmsdmb czifmm yf jmhsbstawf.
Ovtoq! Wmbwlojwk

#2 Phail_Saph

Phail_Saph

    SUPR3M3 31337 Mack Daddy P1MP

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Posted 21 March 2010 - 02:54 PM

Hint...here is the key: kasiski

Spoiler


Edit: Added spoiler.

Edited by Phail_Saph, 21 March 2010 - 03:02 PM.





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