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The Cipher Challenge. The team members, alphabetically, were:. Fredrik Almgren. Gunnar Andersson. Torbjörn Granlund. Lars Ivansson. Staffan Ulfberg. multivac. The Cipher Challenge. The order in which the stages were solved is:. Stage 1 September 23, 1999. Stage 2 September 24, 1999.

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the cipher challenge
The Cipher Challenge

The team members, alphabetically, were:

Fredrik Almgren

Gunnar Andersson

Torbjörn Granlund

Lars Ivansson

Staffan Ulfberg

multivac

the cipher challenge2
The Cipher Challenge

The order in which the stages were solved is:

Stage 1 September 23, 1999

Stage 2 September 24, 1999

Stage 4 September 26, 1999

Stage 3 October 4, 1999

Stage 7 October 10, 1999

Stage 6 October 12, 1999

Stage 8 October 13, 1999

Stage 9 November 12, 1999

Stage 5 May 15, 2000

Stage 10 October 5, 2000

stage 1 substitution
Stage 1 - Substitution

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

I

M

B

F

K

Z

A

D

Y

P

C

W

H

V

J

L

X

Q

O

R

E

S

U

N

T

G

SMARTTRUST

OHIQRRQEOR

stage 1 cryptotext
Stage 1 - CryptoText

Frequency Analysis

n=1782

[ 32]: 284 15.94% Space

X [ 88]: 168 9.43% e

T [ 84]: 131 7.35% n

J [ 74]: 130 7.30% t

M [ 77]: 118 6.62% a

P [ 80]: 112 6.29% h

C [ 67]: 101 5.67%

R [ 82]: 91 5.11%

B [ 66]: 87 4.88%

N [ 78]: 75 4.21% d

V [ 86]: 67 3.76%

MTN = and

JPX = the

BT JPX RMLX PCUV AMLX ICVJP IBTWXVR CI M LMT'R PMTN, MTN YVCJX CDXV MWMBTRJ JPX AMTNGXRJBAH UQCT JPX QGMRJXV CI JPX YMGG CI JPX HBTW'R QMGMAX; MTN JPX HBTW RMY JPX QMVJ CI JPX PMTN JPMJ YVCJX. JPXT JPX HETW'R ACUTJXTMTAX YMR APMTWXN, MTN PBR JPCUWPJR JVCUFGXN PBL, RC JPMJ JPX SCBTJR CI PBR GCBTR YXVX GCCRXN, MTN PBR HTXXR RLCJX CTX MWMBTRJ MTCJPXV. JPX HBTW AVBXN MGCUN JC FVBTW BT JPX MRJVCGCWXVR, JPX APMGNXMTR, MTN JPX RCCJPRMEXVR. MTN JPX HBTW RQMHX, MTN RMBN JC JPX YBRX LXT CI FMFEGCT, YPCR CXDXV RPMGG VXMN JPBR YVBJBTW, MTN RPCY LX JPX BTJXVQVXJMJBCT JPXVXCI, RPMGG FX AGCJPXN YBJP RAMVGXJ, MTN PMDX M APMBT CI WCGN MFCUJ PBR TXAH, MTN RPMGG FX JPX JPBVN VUGXV BT JPX HBTWNCL. JPXT AMLX BT MGG JPX HBTW'R YBRX LXT; FUJ JPXE ACUGN TCJ VXMN JPX YVBJBTW, TCV LMHX HTCYT JC JPX HBTW JPX BTJXVQVXJMJBCT JPXVXCI. JPXT YMR HBTW FXGRPMOOMV WVXMJGE JVCUFGXN, MTN PBR ACUTJXTMTAX YMR APMTWXN BT PBL, MTN PBR GCVNR YXVX MRJCTBRPXN. TCY JPX KUXXT, FE VXMRCT CI JPX YCVNR CI JPX HBTW MTN PBR GCVNR, AMLX BTJC JPX FMTKUXJ PCURX; MTN JPX KUXXT RQMHX MTN RMBN, C HBTW, GBDX ICVXDXV; GXJ TCJ JPE JPCUWPJR JVCUFGX JPXX, TCV GXJ JPE ACUTJXTMTAX FX APMTWXN; JPXVX BR M LMT BT JPE HBTWNCL, BT YPCL BR JPX RQBVBJ CI JPX PCGE WCNR; MTN BT JPX NMER CI JPE IMJPXV GBWPJ MTN UTNXVRJMTNBTW MTN YBRNCL, GBHX JPX YBRNCL CI JPX WCNR, YMR ICUTN BT PBL; YPCL JPX HBTW TXFUAPMNTXOOMV JPE IMJPXV, JPX HBTW, B RME, JPE IMJPXV, LMNX LMRJXV CI JPX LMWBABMTR, MRJVCGCWXVR, APMGNXMTR, MTN RCCJPRMEXVR; ICVMRLUAP MR MT XZAXGGXTJ RQBVBJ, MTN HTCYGXNWX, MTN UTNXVRJMTNBTW, BTJXVQVXJBTW CI NVXMLR, MTN RPCYBTW CI PMVN RXTJXTAXR, MTN NBRRCGDBTW CI NCUFJR, YXVX ICUTN BT JPX RMLX NMTBXG, YPCL JPX HBTW TMLXN FXGJXRPMOOMV; TCY GXJ NMTBXG FX AMGGXN, MTN PX YBGG RPCY JPX BTJXVQVXJMJBCT. JPX IBVRJ ACNXYCVN BR CJPXGGC.

stage 1 frequencies and cribs
Stage 1 - Frequencies and Cribs

Bn the RaLe hoUr AaLe ICVth IBnWeVR CI a Lan'R hand, and YVCte CDeV aWaBnRt the AandGeRtBAH UQCn the QGaRteV CI the YaGG CI the HBnW'R QaGaAe; and the HBnW RaY the QaVt CI the hand that YVCte. then the HEnW'R ACUntenanAe YaR AhanWed, and hBR thCUWhtR tVCUFGed hiL, RC that the SCBntR CI hBR GCBnR YeVe GCCRed, and hBR HneeR RLCte Cne aWaBnRt anCtheV. the HBnW AVBed aGCUd tC FVBnW Bn the aRtVCGCWeVR, the AhaGdeanR, and the RCCthRaEeVR. and the HBnW RQaHe, and RaBd tC the YBRe Len CI FaFEGCn, YhCRCeDeV RhaGG Vead thBR YVBtBnW, and RhCY Le the BnteVQVetatBCn theVeCI, RhaGG Fe AGCthed YBth RAaVGet, and haDe a AhaBn CI WCGd aFCUt hBR neAH, and RhaGG Fe the thBVd VUGeV Bn the HBnWdCL. then AaLe Bn aGG the HBnW'R YBRe Len; FUt theE ACUGd nCt Vead the YVBtBnW, nCV LaHe HnCYn tC the HBnW the BnteVQVetatBCn theVeCI. then YaR HBnW FeGRhaOOaV WVeatGE tVCUFGed, and hBR ACUntenanAe YaR AhanWed Bn hBL, and hBR GCVdR YeVe aRtCnBRhed. nCY the KUeen, FE VeaRCn CI the YCVdR CI the HBnW and hBR GCVdR, AaLe BntC the FanKUet hCURe; and the KUeen RQaHe and RaBd, C HBnW, GBDe ICVeDeV; Get nCt thE thCUWhtR tVCUFGe thee, nCV Get thE ACUntenanAe Fe AhanWed; theVe BR a Lan Bn thE HBnWdCL, Bn YhCL BR the RQBVBt CI the hCGE WCdR; and Bn the daER CI thE IatheV GBWht and UndeVRtandBnW and YBRdCL, GBHe the YBRdCL CI the WCdR, YaR ICUnd Bn hBL; YhCL the HBnW neFUAhadneOOaV thE IatheV, the HBnW, B RaE, thE IatheV, Lade LaRteV CI the LaWBABanR, aRtVCGCWeVR, AhaGdeanR, and RCCthRaEeVR; ICVaRLUAh aR an eZAeGGent RQBVBt, and HnCYGedWe, and UndeVRtandBnW, BnteVQVetBnW CI dVeaLR, and RhCYBnW CI haVd RentenAeR, and dBRRCGDBnW CI dCUFtR, YeVe ICUnd Bn the RaLe danBeG, YhCL the HBnW naLed FeGteRhaOOaV; nCY Get danBeG Fe AaGGed, and he YBGG RhCY the BnteVQVetatBCn. the IBVRt ACdeYCVd BR CtheGGC.

Take some more

C 5.67% o

R 5.11% s

B 4.88% i

V 3.76% r

stage 1 frequencies and cribs6
Stage 1 - Frequencies and Cribs

in the saLe hoUr AaLe Iorth IinWers oI a Lan's hand, and Yrote oDer aWainst the AandGestiAH UQon the QGaster oI the YaGG oI the HinW's QaGaAe; and the HinW saY the Qart oI the hand that Yrote. then the HEnW's AoUntenanAe Yas AhanWed, and his thoUWhts troUFGed hiL, so that the Soints oI his Goins Yere Goosed, and his Hnees sLote one aWainst another. the HinW Aried aGoUd to FrinW in the astroGoWers, the AhaGdeans, and the soothsaEers. and the HinW sQaHe, and said to the Yise Len oI FaFEGon, YhosoeDer shaGG read this YritinW, and shoY Le the interQretation thereoI, shaGG Fe AGothed Yith sAarGet, and haDe a Ahain oI WoGd aFoUt his neAH, and shaGG Fe the third rUGer in the HinWdoL. then AaLe in aGG the HinW's Yise Len; FUt theE AoUGd not read the YritinW, nor LaHe HnoYn to the HinW the interQretation thereoI. then Yas HinW FeGshaOOar WreatGE troUFGed, and his AoUntenanAe Yas AhanWed in hiL, and his Gords Yere astonished. noY the KUeen, FE reason oI the Yords oI the HinW and his Gords, AaLe into the FanKUet hoUse; and the KUeen sQaHe and said, o HinW, GiDe IoreDer; Get not thE thoUWhts troUFGe thee, nor Get thE AoUntenanAe Fe AhanWed; there is a Lan in thE HinWdoL, in YhoL is the sQirit oI the hoGE Wods; and in the daEs oI thE Iather GiWht and UnderstandinW and YisdoL, GiHe the YisdoL oI the Wods, Yas IoUnd in hiL; YhoL the HinW neFUAhadneOOar thE Iather, the HinW, i saE, thE Iather, Lade Laster oI the LaWiAians, astroGoWers, AhaGdeans, and soothsaEers; IorasLUAh as an eZAeGGent sQirit, and HnoYGedWe, and UnderstandinW, interQretinW oI dreaLs, and shoYinW oI hard sentenAes, and dissoGDinW oI doUFts, Yere IoUnd in the saLe danieG, YhoL the HinW naLed FeGteshaOOar; noY Get danieG Fe AaGGed, and he YiGG shoY the interQretation. the Iirst AodeYord is otheGGo.

Finish it up

G 2.97% l

W 2.30% g

Y 1.80% w

A 1.68% c

I 1.57% f

L 1.57% m

U 1.40% u

H 1.35% k

F 1.01% b

E 0.95% y

Q 0.67% p

O 0.34% z

D 0.34% v

K 0.17% q

stage 1 frequencies and cribs7
Stage 1 - Frequencies and Cribs

in the same hour came forth fingers of a man's hand, and wrote over against the candlestick upon the plaster of the wall of the king's palace; and the king saw the part of the hand that wrote. then the king's countenance was changed, and his thoughts troubled him, so that the joints of his loins were loosed, and his knees smote one against another. the king cried aloud to bring in the astrologers, the chaldeans, and the soothsayers. and the king spake, and said to the wise men of babylon, whosoever shall read this writing, and show me the interpretation thereof, shall be clothed with scarlet, and have a chain of gold about his neck, and shall be the third ruler in the kingdom. then came in all the king's wise men; but they could not read the writing, nor make known to the king the interpretation thereof. then was king belshazzar greatly troubled, and his countenance was changed in him, and his lords were astonished. now the queen, by reason of the words of the king and his lords, came into the banquet house; and the queen spake and said, o king, live forever; let not thy thoughts trouble thee, nor let thy countenance be changed; there is a man in thy kingdom, in whom is the spirit of the holy gods; and in the days of thy father light and understanding and wisdom, like the wisdom of the gods, was found in him; whom the king nebuchadnezzar thy father, the king, i say, thy father, made master of the magicians, astrologers, chaldeans, and soothsayers; forasmuch as an eZcellent spirit, and knowledge, and understanding, interpreting of dreams, and showing of hard sentences, and dissolving of doubts, were found in the same daniel, whom the king named belteshazzar; now let daniel be called, and he will show the interpretation. the first codeword is othello.

stage 1 frequencies and cribs8
Stage 1 - Frequencies and Cribs

Old Testament, Daniel 5:5-12

================================

5) In the same hour came forth fingers of a man's hand, and wrote over against the candlestick upon the plaster of the wall of the king's palace; and the king saw the part of the hand that wrote.

6) Then the king's countenance was changed, and his thoughts troubled hymm, so that the joints of his loins were loosed, and his knees smote

one against another.

7) The king cried aloud to bring in the astrologers, the chaldeans, and the soothsayers. and the king spake, and said to the wise men of

babylon, whosoever shall read this writing, and show me the interpretation thereof, shall be clothed with scarlet, and have a chain of gold about his neck, and shall be the third ruler in the kingdom.

8) Then came in all the king's wise men; but they could not read the writing, nor make known to the king the interpretation thereof.

9) Then was king belshazzar greatly troubled, and his countenance was changed in him, and his lords were astonished.

10) Now the queen, by reason of the words of the king and his lords, came into the banquet house; and the queen spake and said, o king,

live forever; let not thy thoughts trouble thee, nor let thy countenance be changed;

11) There is a man in thy kingdom, in whom is the spirit of the holy gods; and in the days of thy father light and understanding and

wisdom, like the wisdom of the gods, was found in him; whom the king nebuchadnezzar thy father, the king, i say, thy father, made master of the magicians, astrologers, chaldeans, and soothsayers;

12) Forasmuch as an excellent spirit, and knowledge, and understanding, interpreting of dreams, and showing of hard sentences,

and dissolving of doubts, were found in the same daniel, whom the king named belteshazzar; now let daniel be called, and he will show the interpretation.

The first codeword is othello.

caesar encryption

Othello

Caesar Encryption

ABCDEFGHIJKLMNOPQRSTUVWXYZ

ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQR

Shift =7

smarttrust -> ZTHYAAYBZA

stage2 cryptotext

Othello

Stage2 - Cryptotext

MHILY LZA ZBHL XBPZXBL MVYABUHL HWWPBZ JSHBKPBZ JHLJBZ KPJABT HYJHUBT LZA ULBAYVU

#!/bin/sh

l=''

while [ ${#l} -lt 26 ]

do

tr $l'A-Z' 'A-ZA-Z' <stage2.txt

l=.$l

done

stage 2 possible pts

Othello

Stage 2 - Possible PTs

MHILY LZA ZBHL XBPZXBL MVYABUHL HWWPBZ JSHBKPBZ JHLJBZ KPJABT HYJHUBT LZA ULBAYVU

NIJMZ MAB ACIM YCQAYCM NWZBCVIM IXXQCA KTICLQCA KIMKCA LQKBCU IZKIVCU MAB VMCBZWV

OJKNA NBC BDJN ZDRBZDN OXACDWJN JYYRDB LUJDMRDB LJNLDB MRLCDV JALJWDV NBC WNDCAXW

PKLOB OCD CEKO AESCAEO PYBDEXKO KZZSEC MVKENSEC MKOMEC NSMDEW KBMKXEW OCD XOEDBYX

QLMPC PDE DFLP BFTDBFP QZCEFYLP LAATFD NWLFOTFD NLPNFD OTNEFX LCNLYFX PDE YPFECZY

RMNQD QEF EGMQ CGUECGQ RADFGZMQ MBBUGE OXMGPUGE OMQOGE PUOFGY MDOMZGY QEF ZQGFDAZ

SNORE RFG FHNR DHVFDHR SBEGHANR NCCVHF PYNHQVHF PNRPHF QVPGHZ NEPNAHZ RFG ARHGEBA

TOPSF SGH GIOS EIWGEIS TCFHIBOS ODDWIG QZOIRWIG QOSQIG RWQHIA OFQOBIA SGH BSIHFCB

UPQTG THI HJPT FJXHFJT UDGIJCPT PEEXJH RAPJSXJH RPTRJH SXRIJB PGRPCJB THI CTJIGDC

VQRUH UIJ IKQU GKYIGKU VEHJKDQU QFFYKI SBQKTYKI SQUSKI TYSJKC QHSQDKC UIJ DUKJHED

WRSVI VJK JLRV HLZJHLV WFIKLERV RGGZLJ TCRLUZLJ TRVTLJ UZTKLD RITRELD VJK EVLKIFE

XSTWJ WKL KMSW IMAKIMW XGJLMFSW SHHAMK UDSMVAMK USWUMK VAULME SJUSFME WKL FWMLJGF

YTUXK XLM LNTX JNBLJNX YHKMNGTX TIIBNL VETNWBNL VTXVNL WBVMNF TKVTGNF XLM GXNMKHG

ZUVYL YMN MOUY KOCMKOY ZILNOHUY UJJCOM WFUOXCOM WUYWOM XCWNOG ULWUHOG YMN HYONLIH

AVWZM ZNO NPVZ LPDNLPZ AJMOPIVZ VKKDPN XGVPYDPN XVZXPN YDXOPH VMXVIPH ZNO IZPOMJI

BWXAN AOP OQWA MQEOMQA BKNPQJWA WLLEQO YHWQZEQO YWAYQO ZEYPQI WNYWJQI AOP JAQPNKJ

CXYBO BPQ PRXB NRFPNRB CLOQRKXB XMMFRP ZIXRAFRP ZXBZRP AFZQRJ XOZXKRJ BPQ KBRQOLK

DYZCP CQR QSYC OSGQOSC DMPRSLYC YNNGSQ AJYSBGSQ AYCASQ BGARSK YPAYLSK CQR LCSRPML

EZADQ DRS RTZD PTHRPTD ENQSTMZD ZOOHTR BKZTCHTR BZDBTR CHBSTL ZQBZMTL DRS MDTSQNM

FABER EST SUAE QUISQUE FORTUNAE APPIUS CLAUDIUS CAECUS DICTUM ARCANUM EST NEUTRON

GBCFS FTU TVBF RVJTRVF GPSUVOBF BQQJVT DMBVEJVT DBFDVT EJDUVN BSDBOVN FTU OFVUSPO

HCDGT GUV UWCG SWKUSWG HQTVWPCG CRRKWU ENCWFKWU ECGEWU FKEVWO CTECPWO GUV PGWVTQP

IDEHU HVW VXDH TXLVTXH IRUWXQDH DSSLXV FODXGLXV FDHFXV GLFWXP DUFDQXP HVW QHXWURQ

JEFIV IWX WYEI UYMWUYI JSVXYREI ETTMYW GPEYHMYW GEIGYW HMGXYQ EVGERYQ IWX RIYXVSR

KFGJW JXY XZFJ VZNXVZJ KTWYZSFJ FUUNZX HQFZINZX HFJHZX INHYZR FWHFSZR JXY SJZYWTS

LGHKX KYZ YAGK WAOYWAK LUXZATGK GVVOAY IRGAJOAY IGKIAY JOIZAS GXIGTAS KYZ TKAZXUT

stage 2 solution

OthelloNeutron

Stage 2 - Solution

FABER EST SUAE QUISQUE FORTUNAE APPIUS CLAUDIUS CAECUS

DICTUM ARCANUM EST NEUTRON

Shift is 19

Faber est suae quisque fortunae.

-Appius Claudius Caecus

Dictum arcanum est neutron.

Each man is the smith of his own fortune.

- Appius Claudius Caecus

Word secret is "neutron".

stage 3 subst w homophones

OthelloNeutron

Stage 3 - Subst w/ Homophones

X [ 88]: 207 18.11%

Q [ 81]: 103 9.01%

I [ 73]: 89 7.79%

F [ 70]: 79 6.91%

T [ 84]: 72 6.30%

U [ 85]: 70 6.12%

* [ 42]: 62 5.42%

V [ 86]: 56 4.90%

S [ 83]: 42 3.67%

E [ 69]: 42 3.67%

P [ 80]: 35 3.06%

C [ 67]: 30 2.62%

Z [ 90]: 30 2.62%

Y [ 89]: 30 2.62%

W [ 87]: 26 2.27%

L [ 76]: 22 1.92%

[ 10]: 21 1.84%

K [ 75]: 19 1.66%

B [ 66]: 19 1.66%

J [ 74]: 16 1.40%

G [ 71]: 14 1.22%

M [ 77]: 13 1.14%

R [ 82]: 11 0.96%

D [ 68]: 10 0.87%

O [ 79]: 8 0.70%

N [ 78]: 7 0.61%

H [ 72]: 6 0.52%

A [ 65]: 4 0.35%

IXDVMUFXLFEEFXSOQXYQVXSQTUIXWF*FMXYQVFJ*FXEFQUQXJFPTUFX

MX*ISSFLQTUQXMXRPQEUMXUMTUIXYFSSFI*MXKFJF*FMXLQXTIEUVFX

EQTEFXSOQXLQ*XVFWMTQTUQXTITXKIJ*FMUQXTQJMVX*QEYQVFQTHMX

LFVQUVIXM*XEI*XLQ*XWITLIXEQTHGXJQTUQXSITEFLQVGUQX*GXKIE

UVGXEQWQTHGXDGUFXTITXDIEUQXGXKFKQVXSIWQXAVPUFXWGXYQVXEQ

JPFVXKFVUPUQXQXSGTIESQTHGX*FXWFQFXSIWYGJTFXDQSFIXEFXGJP

UFXSITXRPQEUGXIVGHFITXYFSSFI*CXC*XSCWWFTIXSOQXCXYQTCXYI

ESFCX*FXCKVQFXVFUQTPUFXQXKI*UCXTIEUVCXYIYYCXTQ*XWCUUFTI

XLQFXVQWFXDCSQWWIXC*FXC*XDI**QXKI*IXEQWYVQXCSRPFEUCTLIX

LC*X*CUIXWCTSFTIXUPUUQX*QXEUQ**QXJFCXLQX*C*UVIXYI*IXKQL

QCX*CXTIUUQXQX*XTIEUVIXUCTUIXACEEIXSOQXTITXEPVJQCXDPIVX

LQ*XWCVFTXEPI*IXSFTRPQXKI*UQXVCSSQEIXQXUCTUIXSCEEIX*IX*

PWQXQVZXLFXEIUUIXLZX*ZX*PTZXYIFXSOQXTUVZUFXQVZKZWXTQX*Z

*UIXYZEEIRPZTLIXTZYYZVKQXPTZXWITUZJTZXAVPTZXYQVX*ZXLFEU

ZTHZXQXYZVKQWFXZ*UZXUZTUIXRPZTUIXKQLPUZXTITXZKQZXZ*SPTZ

XTIFXSFXZ**QJVNWWIXQXUIEUIXUIVTIXFTXYFNTUIXSOQXLQX*NXTI

KNXUQVVNXPTXUPVAIXTNSRPQXQXYQVSIEEQXLQ*X*QJTIXF*XYVFWIX

SNTUIXUVQXKI*UQXF*XDQXJFVBVXSITXUPUUQX*BSRPQXBX*BXRPBVU

BX*QKBVX*BXYIYYBXFTXEPEIXQX*BXYVIVBXFVQXFTXJFPXSIWB*UVP

FXYFBSRPQFTDFTXSOQX*XWBVXDPXEIYVBXTIFXVFSOFPEIXX*BXYBVI

*BXFTXSILFSQXQXQRPBUIV

stage 3 ct

OthelloNeutron

Stage 3 - CT

IXDVMUFXLFEEFXSOQXYQVXSQTUIXWF*FMXYQVFJ

Does X start a digram?

What does * do?

Are Trigrams used?

stage 3 ct15

OthelloNeutron

Stage 3 - CT

Where is the Magic?

These characters behave weird:

IXDVMUFXLFEEFXSOQXYQVXSQTUIXWF*FMXYQVFJ*FXEFQUQXJFPTUFX

MX*ISSFLQTUQXMXRPQEUMXUMTUIXYFSSFI*MXKFJF*FMXLQXTIEUVFX

EQTEFXSOQXLQ*XVFWMTQTUQXTITXKIJ*FMUQXTQJMVX*QEYQVFQTHMX

LFVQUVIXM*XEI*XLQ*XWITLIXEQTHGXJQTUQXSITEFLQVGUQX*GXKIE

UVGXEQWQTHGXDGUFXTITXDIEUQXGXKFKQVXSIWQXAVPUFXWGXYQVXEQ

JPFVXKFVUPUQXQXSGTIESQTHGX*FXWFQFXSIWYGJTFXDQSFIXEFXGJP

UFXSITXRPQEUGXIVGHFITXYFSSFI*CXC*XSCWWFTIXSOQXCXYQTCXYI

ESFCX*FXCKVQFXVFUQTPUFXQXKI*UCXTIEUVCXYIYYCXTQ*XWCUUFTI

XLQFXVQWFXDCSQWWIXC*FXC*XDI**QXKI*IXEQWYVQXCSRPFEUCTLIX

LC*X*CUIXWCTSFTIXUPUUQX*QXEUQ**QXJFCXLQX*C*UVIXYI*IXKQL

QCX*CXTIUUQXQX*XTIEUVIXUCTUIXACEEIXSOQXTITXEPVJQCXDPIVX

LQ*XWCVFTXEPI*IXSFTRPQXKI*UQXVCSSQEIXQXUCTUIXSCEEIX*IX*

PWQXQVZXLFXEIUUIXLZX*ZX*PTZXYIFXSOQXTUVZUFXQVZKZWXTQX*Z

*UIXYZEEIRPZTLIXTZYYZVKQXPTZXWITUZJTZXAVPTZXYQVX*ZXLFEU

ZTHZXQXYZVKQWFXZ*UZXUZTUIXRPZTUIXKQLPUZXTITXZKQZXZ*SPTZ

XTIFXSFXZ**QJVNWWIXQXUIEUIXUIVTIXFTXYFNTUIXSOQXLQX*NXTI

IXDVMUFXLFEEFXSOQXYQVXSQTUIXWF*FMXYQVFJ*FXEFQUQXJFPTUFX

MX*ISSFLQTUQXMXRPQEUMXUMTUIXYFSSFI*MXKFJF*FMXLQXTIEUVFX

EQTEFXSOQXLQ*XVFWMTQTUQXTITXKIJ*FMUQXTQJMVX*QEYQVFQTHMX

LFVQUVIXM*XEI*XLQ*XWITLIXEQTHGXJQTUQXSITEFLQVGUQX*GXKIE

UVGXEQWQTHGXDGUFXTITXDIEUQXGXKFKQVXSIWQXAVPUFXWGXYQVXEQ

JPFVXKFVUPUQXQXSGTIESQTHGX*FXWFQFXSIWYGJTFXDQSFIXEFXGJP

UFXSITXRPQEUGXIVGHFITXYFSSFI*CXC*XSCWWFTIXSOQXCXYQTCXYI

ESFCX*FXCKVQFXVFUQTPUFXQXKI*UCXTIEUVCXYIYYCXTQ*XWCUUFTI

XLQFXVQWFXDCSQWWIXC*FXC*XDI**QXKI*IXEQWYVQXCSRPFEUCTLIX

LC*X*CUIXWCTSFTIXUPUUQX*QXEUQ**QXJFCXLQX*C*UVIXYI*IXKQL

QCX*CXTIUUQXQX*XTIEUVIXUCTUIXACEEIXSOQXTITXEPVJQCXDPIVX

LQ*XWCVFTXEPI*IXSFTRPQXKI*UQXVCSSQEIXQXUCTUIXSCEEIX*IX*

PWQXQVZXLFXEIUUIXLZX*ZX*PTZXYIFXSOQXTUVZUFXQVZKZWXTQX*Z

*UIXYZEEIRPZTLIXTZYYZVKQXPTZXWITUZJTZXAVPTZXYQVX*ZXLFEU

ZTHZXQXYZVKQWFXZ*UZXUZTUIXRPZTUIXKQLPUZXTITXZKQZXZ*SPTZ

XTIFXSFXZ**QJVNWWIXQXUIEUIXUIVTIXFTXYFNTUIXSOQXLQX*NXTI

KNXUQVVNXPTXUPVAIXTNSRPQXQXYQVSIEEQXLQ*X*QJTIXF*XYVFWIX

SNTUIXUVQXKI*UQXF *XDQXJFVBVXSITXUPUUQX*BSRPQXBX*BXRPBVU

IXDVMUFXLFEEFXSOQXYQVXSQTUIXWF*FMXYQVFJ*FXEFQUQXJFPTUFX

MX*ISSFLQTUQXMXRPQEUMXUMTUIXYFSSFI*MXKFJF*FMXLQXTIEUVFX

EQTEFXSOQXLQ*XVFWMTQTUQXTITXKIJ*FMUQXTQJMVX*QEYQVFQTHMX

LFVQUVIXM*XEI*XLQ*XWITLIXEQTHGXJQTUQXSITEFLQVGUQX*GXKIE

UVGXEQWQTHGXDGUFXTITXDIEUQXGXKFKQVXSIWQXAVPUFXWGXYQVXEQ

JPFVXKFVUPUQXQXSGTIESQTHGX*FXWFQFXSIWYGJTFXDQSFIXEFXGJP

UFXSITXRPQEUGXIVGHFITXYFSSFI*CXC*XSCWWFTIXSOQXCXYQTCXYI

ESFCX*FXCKVQFXVFUQTPUFXQXKI*UCXTIEUVCXYIYYCXTQ*XWCUUFTI

XLQFXVQWFXDCSQWWIXC*FXC*XDI**QXKI*IXEQWYVQXCSRPFEUCTLIX

LC*X*CUIXWCTSFTIXUPUUQX*QXEUQ**QXJFCXLQX*C*UVIXYI*IXKQL

QCX*CXTIUUQXQX*XTIEUVIXUCTUIXACEEIXSOQXTITXEPVJQCXDPIVX

LQ*XWCVFTXEPI*IXSFTRPQXKI*UQXVCSSQEIXQXUCTUIXSCEEIX*IX*

IXDVMUFXLFEEFXSOQXYQVXSQTUIXWF*FMXYQVFJ*FXEFQUQXJFPTUFX

MX*ISSFLQTUQXMXRPQEUMXUMTUIXYFSSFI*MXKFJF*FMXLQXTIEUVFX

EQTEFXSOQXLQ*XVFWMTQTUQXTITXKIJ*FMUQXTQJMVX*QEYQVFQTHMX

LFVQUVIXM*XEI*XLQ*XWITLIXEQTHGXJQTUQXSITEFLQVGUQX*GXKIE

UVGXEQWQTHGXDGUFXTITXDIEUQXGXKFKQVXSIWQXAVPUFXWGXYQVXEQ

JPFVXKFVUPUQXQXSGTIESQTHGX*FXWFQFXSIWYGJTFXDQSFIXEFXGJP

UFXSITXRPQEUGXIVGHFITXYFSSFI*CXC*XSCWWFTIXSOQXCXYQTCXYI

ESFCX*FXCKVQFXVFUQTPUFXQXKI*UCXTIEUVCXYIYYCXTQ*XWCUUFTI

XLQFXVQWFXDCSQWWIXC*FXC*XDI**QXKI*IXEQWYVQXCSRPFEUCTLIX

LC*X*CUIXWCTSFTIXUPUUQX*QXEUQ**QXJFCXLQX*C*UVIXYI*IXKQL

QCX*CXTIUUQXQX*XTIEUVIXUCTUIXACEEIXSOQXTITXEPVJQCXDPIVX

LQ*XWCVFTXEPI*IXSFTRPQXKI*UQXVCSSQEIXQXUCTUIXSCEEIX*IX*

PWQXQVZXLFXEIUUIXLZX*ZX*PTZXYIFXSOQXTUVZUFXQVZKZWXTQX*Z

*UIXYZEEIRPZTLIXTZYYZVKQXPTZXWITUZJTZXAVPTZXYQVX*ZXLFEU

ZTHZXQXYZVKQWFXZ*UZXUZTUIXRPZTUIXKQLPUZXTITXZKQZXZ*SPTZ

XTIFXSFXZ**QJVNWWIXQXUIEUIXUIVTIXFTXYFNTUIXSOQXLQX*NXTI

KNXUQVVNXPTXUPVAIXTNSRPQXQXYQVSIEEQXLQ*X*QJTIXF*XYVFWIX

SNTUIXUVQXKI*UQXF*XDQXJFVBVXSITXUPUUQX*BSRPQXBX*BXRPBVU

BX*QKBVX*BXYIYYBXFTXEPEIXQX*BXYVIVBXFVQXFTXJFPXSIWB*UVP

FXYFBSRPQFTDFTXSOQX*XWBVXDPXEIYVBXTIFXVFSOFPEIXX*BXYBVI

*BXFTXSILFSQXQXQRPBUIV

IXDVMUFXLFEEFXSOQXYQVXSQTUIXWF*FMXYQVFJ*FXEFQUQXJFPTUFX

MX*ISSFLQTUQXMXRPQEUMXUMTUIXYFSSFI*MXKFJF*FMXLQXTIEUVFX

EQTEFXSOQXLQ*XVFWMTQTUQXTITXKIJ*FMUQXTQJMVX*QEYQVFQTHMX

LFVQUVIXM*XEI*XLQ*XWITLIXEQTHGXJQTUQXSITEFLQVGUQX*GXKIE

UVGXEQWQTHGXDGUFXTITXDIEUQXGXKFKQVXSIWQXAVPUFXWGXYQVXEQ

JPFVXKFVUPUQXQXSGTIESQTHGX*FXWFQFXSIWYGJTFXDQSFIXEFXGJP

UFXSITXRPQEUGXIVGHFITXYFSSFI*CXC*XSCWWFTIXSOQXCXYQTCXYI

ESFCX*FXCKVQFXVFUQTPUFXQXKI*UCXTIEUVCXYIYYCXTQ*XWCUUFTI

XLQFXVQWFXDCSQWWIXC*FXC*XDI**QXKI*IXEQWYVQXCSRPFEUCTLIX

LC*X*CUIXWCTSFTIXUPUUQX*QXEUQ**QXJFCXLQX*C*UVIXYI*IXKQL

QCX*CXTIUUQXQX*XTIEUVIXUCTUIXACEEIXSOQXTITXEPVJQCXDPIVX

LQ*XWCVFTXEPI*IXSFTRPQXKI*UQXVCSSQEIXQXUCTUIXSCEEIX*IX*

PWQXQVZXLFXEIUUIXLZX*ZX*PTZXYIFXSOQXTUVZUFXQVZKZWXTQX*Z

*UIXYZEEIRPZTLIXTZYYZVKQXPTZXWITUZJTZXAVPTZXYQVX*ZXLFEU

ZTHZXQXYZVKQWFXZ*UZXUZTUIXRPZTUIXKQLPUZXTITXZKQZXZ*SPTZ

XTIFXSFXZ**QJVNWWIXQXUIEUIXUIVTIXFTXYFNTUIXSOQXLQX*NXTI

KNXUQVVNXPTXUPVAIXTNSRPQXQXYQVSIEEQXLQ*X*QJTIXF*XYVFWIX

SNTUIXUVQXKI*UQXF*XDQXJFVBVXSITXUPUUQX*BSRPQXBX*BXRPBVU

BX*QKBVX*BXYIYYBXFTXEPEIXQX*BXYVIVBXFVQXFTXJFPXSIWB*UVP

FXYFBSRPQFTDFTXSOQX*XWBVXDPXEIYVBXTIFXVFSOFPEIXX*BXYBVI

*BXFTXSILFSQXQXQRPBUIV

IXDVMUFXLFEEFXSOQXYQVXSQTUIXWF*FMXYQVFJ*FXEFQUQXJFPTUFX

MX*ISSFLQTUQXMXRPQEUMXUMTUIXYFSSFI*MXKFJF*FMXLQXTIEUVFX

EQTEFXSOQXLQ*XVFWMTQTUQXTITXKIJ*FMUQXTQJMVX*QEYQVFQTHMX

LFVQUVIXM*XEI*XLQ* XWITLIXEQTHGXJQTUQXSITEFLQVGUQX*GXKIE

IXDVMUFXLFEEFXSOQXYQVXSQTUIXWF*FMXYQVFJ*FXEFQUQXJFPTUFX

MX*ISSFLQTUQXMXRPQEUMXUMTUIXYFSSFI*MXKFJF*FMXLQXTIEUVFX

EQTEFXSOQXLQ*XVFWMTQTUQXTITXKIJ*FMUQXTQJMVX*QEYQVFQTHMX

LFVQUVIXM*XEI*XLQ*XWITLIXEQTHGXJQTUQXSITEFLQVGUQX*GXKIE

UVGXEQWQTHGXDGUFXTITXDIEUQXGXKFKQVXSIWQXAVPUFXWGXYQVXEQ

JPFVXKFVUPUQXQXSGTIESQTHGX*FXWFQFXSIWYGJTFXDQSFIXEFXGJP

UFXSITXRPQEUGXIVGHFITXYFSSFI* CXC*XSCWWFTIXSOQXCXYQTCXYI

M

G

C

Z

N

B

Replace M, G, C, Z, N and B with M

Assume that X is ‘space’

stage 3 substitute

OthelloNeutron

Stage 3 - Substitute

M [ 77]: 106 9.45%

Q [ 81]: 103 9.18%

I [ 73]: 89 7.93%

F [ 70]: 79 7.04%

T [ 84]: 72 6.42%

U [ 85]: 70 6.24%

* [ 42]: 62 5.53%

V [ 86]: 56 4.99%

E [ 69]: 42 3.74%

S [ 83]: 42 3.74%

P [ 80]: 35 3.12%

Y [ 89]: 30 2.67%

W [ 87]: 26 2.32%

L [ 76]: 22 1.96%

K [ 75]: 19 1.69%

J [ 74]: 16 1.43%

R [ 82]: 11 0.98%

D [ 68]: 10 0.89%

O [ 79]: 8 0.71%

N [ 78]: 7 0.62%

H [ 72]: 6 0.53%

A [ 65]: 4 0.36%

I_DVMUF_LFEEF_SOQ_YQV_SQTUI_WF*FM_YQVFJ*F_EFQUQ_JFPTUF_

M_*ISSFLQTUQ_M_RPQEUM_UMTUI_YFSSFI*M_KFJF*FM_LQ_TIEUVF_

EQTEF_SOQ_LQ*_VFWMTQTUQ_TIT_KIJ*FMUQ_TQJMV_*QEYQVFQTHM_

LFVQUVI_M*_EI*_LQ*_WITLI_EQTHM_JQTUQ_SITEFLQVMUQ_*M_KIE

UVM_EQWQTHM_DMUF_TIT_DIEUQ_M_KFKQV_SIWQ_AVPUF_WM_YQV_EQ

JPFV_KFVUPUQ_Q_SMTIESQTHM_*F_WFQF_SIWYMJTF_DQSFI_EF_MJP

UF_SIT_RPQEUM_IVMHFIT_YFSSFI*M_M*_SMWWFTI_SOQ_M_YQTM_YI

ESFM_*F_MKVQF_VFUQTPUF_Q_KI*UM_TIEUVM_YIYYM_TQ*_WMUUFTI

_LQF_VQWF_DMSQWWI_M*F_M*_DI**Q_KI*I_EQWYVQ_MSRPFEUMTLI_

LM*_*MUI_WMTSFTI_UPUUQ_*Q_EUQ**Q_JFM_LQ_*M*UVI_YI*I_KQL

QM_*M_TIUUQ_Q_*_TIEUVI_UMTUI_AMEEI_SOQ_TIT_EPVJQM_DPIV_

LQ*_WMVFT_EPI*I_SFTRPQ_KI*UQ_VMSSQEI_Q_UMTUI_SMEEI_*I_*

PWQ_QVM_LF_EIUUI_LM_*M_*PTM_YIF_SOQ_TUVMUF_QVMKMW_TQ_*M

*UI_YMEEIRPMTLI_TMYYMVKQ_PTM_WITUMJTM_AVPTM_YQV_*M_LFEU

MTHM_Q_YMVKQWF_M*UM_UMTUI_RPMTUI_KQLPUM_TIT_MKQM_M*SPTM

_TIF_SF_M**QJVNWWI_Q_UIEUI_UIVTI_FT_YFNTUI_SOQ_LQ_*N_TI

KN_UQVVN_PT_UPVAI_TNSRPQ_Q_YQVSIEEQ_LQ*_*QJTI_F*_YVFWI_

SNTUI_UVQ_KI*UQ_F*_DQ_JFVMV_SIT_UPUUQ_*MSRPQ_M_*M_RPMVU

M_*QKMV_*M_YIYYM_FT_EPEI_Q_*M_YVIVM_FVQ_FT_JFP_SIWM*UVP

F_YFMSRPQFTDFT_SOQ_*_WMV_DP_EIYVM_TIF_VFSOFPEI__*M_YMVI

*M_FT_SILFSQ_Q_QRPMUIV

Replace:

M-> aQ-> eI-> oF-> iT->n

Only 22 letters are used

Try Italian

stage 3 ct17

OthelloNeutron

Stage 3 - CT

o_DVaUi_LiEEi_SOe_YeV_SenUo_Wi*ia_YeViJ*i_EieUe_JiPnUi_a_*oSSiLenUe_a_RPeEUa_UanUo_YiSSio*a_KiJi*ia_Le_noEUVi_EenEi_SOe_Le*_ViWanenUe_non_KoJ*iaUe_neJaV_*eEYeVienHa_LiVeUVo_a*_Eo*_Le*_WonLo_EenHa_JenUe_SonEiLeVaUe_*a_KoEUVa_EeWenHa_DaUi_non_DoEUe_a_KiKeV_SoWe_AVPUi_Wa_YeV_EeJPiV_KiVUPUe_e_SanoESenHa_*i_Wiei_SoWYaJni_DeSio_Ei_aJPUi_Son_RPeEUa_oVaHion_YiSSio*a_a*_SaWWino_SOe_a_Yena_YoESia_*i_aKVei_ViUenPUi_e_Ko*Ua_noEUVa_YoYYa_ne*_WaUUino_Lei_VeWi_DaSeWWo_a*i_a*_Do**e_Ko*o_EeWYVe_aSRPiEUanLo_La*_*aUo_WanSino_UPUUe_*e_EUe**e_Jia_Le_*a*UVo_Yo*o_KeLea_*a_noUUe_e_*_noEUVo_UanUo_AaEEo_SOe_non_EPVJea_DPoV_Le*_WaVin_EPo*o_SinRPe_Ko*Ue_VaSSeEo_e_UanUo_SaEEo_*o_*PWe_eVa_Li_EoUUo_La_*a_*Pna_Yoi_SOe_nUVaUi_eVaKaW_ne_*a*Uo_YaEEoRPanLo_naYYaVKe_Pna_WonUaJna_AVPna_YeV_*a_LiEUanHa_e_YaVKeWi_a*Ua_UanUo_RPanUo_KeLPUa_non_aKea_a*SPna_noi_Si_a**eJVNWWo_e_UoEUo_UoVno_in_YiNnUo_SOe_Le_*N_noKN_UeVVN_Pn_UPVAo_nNSRPe_e_YeVSoEEe_Le*_*eJno_i*_YViWo_SNnUo_UVe_Ko*Ue_i*_De_JiVaV_Son_UPUUe_*aSRPe_a_*a_RPaVUa_*eKaV_*a_YoYYa_in_EPEo_e_*a_YVoVa_iVe_in_JiP_SoWa*UVPi_YiaSRPeinDin_SOe_*_WaV_DP_EoYVa_noi_ViSOiPEo__*a_YaVo*a_in_SoLiSe_e_eRPaUoV

O frati dissi che per cento milia perigli siete giunti a loccidente aquesta tanto picciola vigilia de nostri sensi che del rimanente nonvogliate negar lesperienza di retro al sol del mondo senza gente considerate la vostra semenza fati non foste a viver come bruti ma perseguir virtute e canoscenza li miei compagni fecio si aguti con questaorazion picciola al cammino che a pena poscia li avrei ritenuti e volta nostra poppa nel mattino dei remi facemmo ali al folle volo sempre acquistando dal lato mancino tutte le stelle gia de laltro polo vedea la notte e l nostro tanto basso che non surgea fuor del marin suolo cinque volte racceso e tanto casso lo lume era di sotto da la luna poi che ntrati eravam ne lalto passo quando napparve una montagna bruna per la distanza e parvemi alta tanto quanto veduta non avea alcuna noi ci allegrammo e tosto torno in pianto che de la nova terraun turbo nacque e percosse del legno il primo canto tre volte il fegirar con tutte l'acque; a la quarta levar la poppa incsuso e la proraire in giu comaltrui piacque infin che 'l mar fu sopra noi richiuso La parola in codice e equator.

stage 3 plaintext

OthelloNeutron

Equator

Stage 3 - Plaintext

Dante Inferno Canto XXVI:

O frati dissi che per cento milia

perigli siete giunti a loccidente

aquesta tanto picciola vigilia

de nostri sensi che del rimanente

nonvogliate negar lesperienza

di retro al sol del mondo senza gente

La parola in codice e equator.

stage 4 vigenere

OthelloNeutron

Equator

Stage 4 - Vigenere

A ABCDEFGHIJKLMNOPQRSTUVWXYZ

B BCDEFGHIJKLMNOPQRSTUVWXYZA

C CDEFGHIJKLMNOPQRSTUVWXYZAB

D DEFGHIJKLMNOPQRSTUVWXYZABC

E EFGHIJKLMNOPQRSTUVWXYZABCD

F FGHIJKLMNOPQRSTUVWXYZABCDE

G GHIJKLMNOPQRSTUVWXYZABCDEF

H HIJKLMNOPQRSTUVWXYZABCDEFG

I IJKLMNOPQRSTUVWXYZABCDEFGH

J JKLMNOPQRSTUVWXYZABCDEFGHI

K KLMNOPQRSTUVWXYZABCDEFGHIJ

L LMNOPQRSTUVWXYZABCDEFGHIJK

M MNOPQRSTUVWXYZABCDEFGHIJKL

N NOPQRSTUVWXYZABCDEFGHIJKLM

O OPQRSTUVWXYZABCDEFGHIJKLMN

P PQRSTUVWXYZABCDEFGHIJKLMNO

Q QRSTUVWXYZABCDEFGHIJKLMNOP

R RSTUVWXYZABCDEFGHIJKLMNOPQ

S STUVWXYZABCDEFGHIJKLMNOPQR

T TUVWXYZABCDEFGHIJKLMNOPQRS

U UVWXYZABCDEFGHIJKLMNOPQRST

V VWXYZABCDEFGHIJKLMNOPQRSTU

W WXYZABCDEFGHIJKLMNOPQRSTUV

X XYZABCDEFGHIJKLMNOPQRSTUVW

Y YZABCDEFGHIJKLMNOPQRSTUVWX

Z ZABCDEFGHIJKLMNOPQRSTUVWXY

Pick a codeword

BAD

Rotate the alphabets

SMARTTRUST

BADBADBADB

TM

TMD

T

TMDQTWSU

TMDQTWSUV

TMDQ

TMDQT

TMDQTW

TMDQTWS

TMDQTWSUVU

stage 4 ct

OthelloNeutron

Equator

Stage 4 - CT

KQOWEFVJPUJUUNUKGLMEKJINMWUXFQMKJB

GWRLFNFGHUDWUUMBSVLPSNCMUEKQCTESWR

EEKOYSSIWCTUAXYOTAPXPLWPNTCGOJBGFQ

HTDWXIZAYGFFNSXCSEYNCTSSPNTUJNYTGG

WZGRWUUNEJUUQEAPYMEKQHUIDUXFPGUYTS

MTFFSHNUOCZGMRUWEYTRGKMEEDCTVRECFB

DJQCUSWVBPNLGOYLSKMTEFVJJTWWMFMWPN

MEMTMHRSPXFSSKFFSTNUOCZGMDOEOYEEKC

PJRGPMURSKHFRSEIUEVGOYCWXIZAYGOSAA

NYDOEOYJLWUNHAMEBFELXYVLWNOJNSIOFR

WUCCESWKVIDGMUCGOCRUWGNMAAFFVNSIUD

EKQHCEUCPFCMPVSUDGAVEMNYMAMVLFMAOY

FNTQCUAFVFJNXKLNEIWCWODCCULWRIFTWG

MUSWOVMATNYBUHTCOCWFYTNMGYTQMKBBNL

GFBTWOJFTWGNTEJKNEEDCLDHWTVBUVGFBI

JGYYIDGMVRDGMPLSWGJLAGOEEKJOFEKNYN

OLRIVRWVUHEIWUURWGMUTJCDBNKGMBIDGM

EEYGUOTDGGQEUJYOTVGGBRUJYS

stage 4 automated solution

OthelloNeutron

Equator

Stage 4 - Automated Solution

multivac>./stage4

Key word length 1, mean variance=0.007703.

Key word length 2, mean variance=0.020417.

Key word length 3, mean variance=0.031879.

Key word length 4, mean variance=0.054263.

Key word length 5, mean variance=0.269488.

Key word length 6, mean variance=0.100981.

Key word length 7, mean variance=0.131559.

Using length=5

Assuming shift[0] is 0.

Choosing shift[1]=10.

Choosing shift[2]=2.

Choosing shift[3]=9.

Choosing shift[4]=8.

Printing beginning of clear text assuming shift[0]=0..25:

stage 4 automated solution22

OthelloNeutron

Equator

Stage 4 - Automated Solution

0: KGMNWFLHGMJKSEMKWJDWKZGEEWKVWIMAHSYWHJWFFWFLVWKSDTSLJGKNSKLWKGAKW

1: JFLMVEKGFLIJRDLJVICVJYFDDVJUVHLZGRXVGIVEEVEKUVJRCSRKIFJMRJKVJFZJV

2: IEKLUDJFEKHIQCKIUHBUIXECCUITUGKYFQWUFHUDDUDJTUIQBRQJHEILQIJUIEYIU

3: HDJKTCIEDJGHPBJHTGATHWDBBTHSTFJXEPVTEGTCCTCISTHPAQPIGDHKPHITHDXHT

4: GCIJSBHDCIFGOAIGSFZSGVCAASGRSEIWDOUSDFSBBSBHRSGOZPOHFCGJOGHSGCWGS

5: FBHIRAGCBHEFNZHFREYRFUBZZRFQRDHVCNTRCERAARAGQRFNYONGEBFINFGRFBVFR

6: EAGHQZFBAGDEMYGEQDXQETAYYQEPQCGUBMSQBDQZZQZFPQEMXNMFDAEHMEFQEAUEQ

7: DZFGPYEAZFCDLXFDPCWPDSZXXPDOPBFTALRPACPYYPYEOPDLWMLECZDGLDEPDZTDP

8: CYEFOXDZYEBCKWECOBVOCRYWWOCNOAESZKQOZBOXXOXDNOCKVLKDBYCFKCDOCYSCO

9: BXDENWCYXDABJVDBNAUNBQXVVNBMNZDRYJPNYANWWNWCMNBJUKJCAXBEJBCNBXRBN

10: AWCDMVBXWCZAIUCAMZTMAPWUUMALMYCQXIOMXZMVVMVBLMAITJIBZWADIABMAWQAM

11: ZVBCLUAWVBYZHTBZLYSLZOVTTLZKLXBPWHNLWYLUULUAKLZHSIHAYVZCHZALZVPZL

12: YUABKTZVUAXYGSAYKXRKYNUSSKYJKWAOVGMKVXKTTKTZJKYGRHGZXUYBGYZKYUOYK

13: XTZAJSYUTZWXFRZXJWQJXMTRRJXIJVZNUFLJUWJSSJSYIJXFQGFYWTXAFXYJXTNXJ

14: WSYZIRXTSYVWEQYWIVPIWLSQQIWHIUYMTEKITVIRRIRXHIWEPFEXVSWZEWXIWSMWI

15: VRXYHQWSRXUVDPXVHUOHVKRPPHVGHTXLSDJHSUHQQHQWGHVDOEDWURVYDVWHVRLVH

16: UQWXGPVRQWTUCOWUGTNGUJQOOGUFGSWKRCIGRTGPPGPVFGUCNDCVTQUXCUVGUQKUG

17: TPVWFOUQPVSTBNVTFSMFTIPNNFTEFRVJQBHFQSFOOFOUEFTBMCBUSPTWBTUFTPJTF

18: SOUVENTPOURSAMUSERLESHOMMESDEQUIPAGEPRENNENTDESALBATROSVASTESOISE

19: RNTUDMSONTQRZLTRDQKDRGNLLDRCDPTHOZFDOQDMMDMSCDRZKAZSQNRUZRSDRNHRD

20: QMSTCLRNMSPQYKSQCPJCQFMKKCQBCOSGNYECNPCLLCLRBCQYJZYRPMQTYQRCQMGQC

21: PLRSBKQMLROPXJRPBOIBPELJJBPABNRFMXDBMOBKKBKQABPXIYXQOLPSXPQBPLFPB

22: OKQRAJPLKQNOWIQOANHAODKIIAOZAMQELWCALNAJJAJPZAOWHXWPNKORWOPAOKEOA

23: NJPQZIOKJPMNVHPNZMGZNCJHHZNYZLPDKVBZKMZIIZIOYZNVGWVOMJNQVNOZNJDNZ

24: MIOPYHNJIOLMUGOMYLFYMBIGGYMXYKOCJUAYJLYHHYHNXYMUFVUNLIMPUMNYMICMY

25: LHNOXGMIHNKLTFNLXKEXLAHFFXLWXJNBITZXIKXGGXGMWXLTEUTMKHLOTLMXLHBLX

Which number seems appropriate? 18

stage 4 automated solution23

OthelloNeutron

Equator

Stage 4 - Automated Solution

The key is SCUBA.

Clear text:

SOUVENTPOURSAMUSERLESHOMMESDEQUIPAGEPRENNENTDESALBATROSVASTESOISEAUXDESMERSQUISUIVENTINDOLENTSCOMPAGNONSDEVOYAGELENAVIREGLISSANTSURLESGOUFFRESAMERSAPEINELESONTILSDEPOSESSURLESPLANCHESQUECESROISDELAZURMALADROITSETHONTEUXLAISSENTPITEUSEMENTLEURSGRANDESAILESBLANCHESCOMMEDESAVIRONSTRAINERACOTEDEUXCEVOYAGEURAILECOMMEILESTGAUCHEETVEULELUINAGUERESIBEAUQUILESTCOMIQUEETLAIDLUNAGACESONBECAVECUNBRULEGUEULELAUTREMIMEENBOITANTLINFIRMEQUIVOLAITLEPOETEESTSEMBLABLEAUPRINCEDESNUEESQUIHANTELATEMPETEETSERITDELARCHERBAUDELAIREEXILESURLESOLAUMILIEUDESHUEESLEMOTPOURETAGEQUATREESTTRAJANSESAILESDEGEANTLEMPECHENTDEMARCHER

stage 4 automated solution24

OthelloNeutron

Equator

Trajan

Stage 4 - Automated Solution

L'Albatros

Charles Baudelaire (Les fleurs du mal)

======================================

Souvent pour s'amuser les hommes d'equipage

prennent des albatros vastes oiseaux des mers

qui suivent indolents compagnons de voyage

le navire glissant sur les gouffres amers.

A peine [s]le sont ils deposes sur les planches

que ces rois de l'azur maladroits et honteux

laissent piteusement leurs grandes ailes blanches

comme des avirons trainer a cote d'eux.

Ce voyageur aile comme il est gauche et veule

lui naguere si beau, qu'il est comique et laid.

L'[u]an agace son bec avec un brûle gueule,

l'autre mime en boitant l'infirme qui volait

le poete est semblable au prince des nuees

qui hante la tempète et se rit de l'archer

[baudelaire]

exile sur le sol au milieu des huées.

[ Le mot pour [l']étage quatre est Trajan. ]

Ses ailes de géant l'empêchent de marcher.

[ Le mot pour [l']étage quatre est Trajan. ]

stage 5

OthelloNeutron

Equator

Trajan

Stage 5

109 182 6 11 88 214 74 77 153 177 109 195 76 37 188

166 188 73 109 158 15 208 42 5 217 78 209 147 9 81

80 169 109 22 96 169 3 29 214 215 9 198 77 112 8 30

117 124 86 96 73 177 50 161

This must be a book-code

The Beale ciphers are famous

stage 526

OthelloNeutron

Equator

Trajan

Stage 5

Cubem autem10 in duos cubos22, aut25 quadratoquodratum in43 duos47

quadratoquadratos64, et66 generaliter77 nullam in infinitum ultra quadratum

potestatem in duos eiusdem nominis fas est dividere. Cuius rei

demonstrationem mirabilem sane detexi hanc marginis exiguitas non

careret.

stage 527

OthelloNeutron

Equator

Trajan

Stage 5

Illiad

cwizard < Fermat-margin.latin.ivan.txt > Fermat-margin.latin.ivan.txt.cout

Building trie...

Done.

225: PLAIFAIRCIPHERESELPROXIMONIVELLAPALABRASECRETAESILLIAD

P(0)LAI(3)FAIR(4)CIPHER(6)ESEL(0)PROXIMO(7)NI(0)VELL(4)APA(3)LABRA(5)SECRETA(7)E(0)SILL(4)IAD(0)

PLAI FAIR CIPHER ES EL PROXIMO NIVEL

LA PALABRA SECRETA ES ILLIAD

Codeword: Illiad

stage 6 playfair

OthelloNeutron

Equator

Trajan

Illiad

Stage 6 - Playfair

Letters are coded two-by-two

PI - > UF

If letters are in same row, move to the right: AG -> BK

If letters are in the same column, move down: XE->EB

hi my name is fredrik

hi my na me is fr ed ri kx

OF NX LC SB EU RE DI EF BV

stage 6 cryptotext

OthelloNeutron

Equator

Trajan

Illiad

Stage 6 - Cryptotext

OCOYFOLBVNPIASAKOPVYGESKOVMUFGUWMLNOOEDRNCFORSOCVMTUUTY

ERPFOLBVNPIASAKOPVIVKYEOCNKOCCARICVVLTSOCOYTRFDVCVOOUEG

KPVOOYVKTHZSCVMBTWTRHPNKLRCUEGMSLNVLZSCANSCKOPORMZCKIZU

SLCCVFDLVORTHZSCLEGUXMIFOLBIMVIVKIUAYVUUFVWVCCBOVOVPFRH

CACSFGEOLCKMOCGEUMOHUEBRLXRHEMHPBMPLTVOEDRNCFORSGISTHOG

ILCVAIOAMVZIRRLNIIWUSGEWSRHCAUGIMFORSKVZMGCLBCGDRNKCVCP

YUXLOKFYFOLBVCCKDOKUUHAVOCOCLCIUSYCRGUFHBEVKROICSVPFTUQ

UMKIGPECEMGCGPGGMOQUSYEFVGFHRALAUQOLEVKROEOKMUQIRXCCBCV

MAODCLANOYNKBMVSMVCNVROEDRNCGESKYSYSLUUXNKGEGMZGRSONLCV

AGEBGLBIMORDPROCKINANKVCNFOLBCEUMNKPTVKTCGEFHOKPDULXSUE

OPCLANOYNKVKBUOYODORSNXLCKMGLVCVGRMNOPOYOFOCVKOCVKVWOFC

LANYEFVUAVNRPNCWMIPORDGLOSHIMOCNMLCCVGRMNOPOYHXAIFOOUEP

GCHK

OCOYFOLBVNPIASAKOPVYGESKOVMUFGUWMLNOOEDRNCFORSOCVMTUUTY

ERPFOLBVNPIASAKOPVIVKYEOCNKOCCARICVVLTSOCOYTRFDVCVOOUEG

KPVOOYVKTHZSCVMBTWTRHPNKLRCUEGMSLNVLZSCANSCKOPORMZCKIZU

SLCCVFDLVORTHZSCLEGUXMIFOLBIMVIVKIUAYVUUFVWVCCBOVOVPFRH

CACSFGEOLCKMOCGEUMOHUEBRLXRHEMHPBMPLTVOEDRNCFORSGISTHOG

ILCVAIOAMVZIRRLNIIWUSGEWSRHCAUGIMFORSKVZMGCLBCGDRNKCVCP

YUXLOKFYFOLBVCCKDOKUUHAVOCOCLCIUSYCRGUFHBEVKROICSVPFTUQ

UMKIGPECEMGCGPGGMOQUSYEFVGFHRALAUQOLEVKROEOKMUQIRXCCBCV

MAODCLANOYNKBMVSMVCNVROEDRNCGESKYSYSLUUXNKGEGMZGRSONLCV

AGEBGLBIMORDPROCKINANKVCNFOLBCEUMNKPTVKTCGEFHOKPDULXSUE

OPCLANOYNKVKBUOYODORSNXLCKMGLVCVGRMNOPOYOFOCVKOCVKVWOFC

LANYEFVUAVNRPNCWMIPORDGLOSHIMOCNMLCCVGRMNOPOYHXAIFOOUEP

GCHK

stage 6 key grid

OthelloNeutron

Equator

Trajan

Illiad

Stage 6 - Key Grid

Kevin

Hector

Brian Clough

THISSTAGEISNUMBERSIXANDITISAPLAYFAIRCIPHERSTOPTHEFOLLOW

INGSTAGEISNUMBERSEVENWITHINTHECONTEXTOFTHISCOMPETITIONA

NDITISENCRYPTEDACXCORDINGTOANADFGVXTYPECIPHERSTOPWHENYO

UATTEMPTXTOCRYPTANALYSESTAGESEVENYOUWILLSEXETHATITISMOR

ECOMPLICATEDTHANASTRAIGHTFORWARDADFGVXCIPHERSTOPUNFORTU

NATELYICANXNOTGIVEYOUANYMORECLUESSTOPNEWPARAGRAPHINTERM

SOFTHISXSTAGETHESHIBBOLETHTHATYOUSHOULDTAKENOTEOFISMOLY

BDENUMNEWPARAGRAPHYOUWILXLPROBABLYHAVENOTICEDBYNOWTHATE

ACHSTAGEISINADIFFERENTCIPHERANDISUSUALLYINANAPPROPRIATE

LANGUAGESTOPSOTHEVIGENERESTAGEWASINFRENCHANDTHISPLAYFAI

RSTAGEISINENGLISHSTOPIFTHEPATXTERNPERSISTSTHENTHENEXTST

AGEWILXLBEINGERMANSTOPBUTDOESTHEPATTERNPERSISTQUESTIONM

ARKQ

THIS STAGE IS NUMBER SIX AND IT IS A PLAYFAIR CIPHER STOP THE FOLLOW

ING STAGE IS NUMBER SEVEN WITHIN THE CONTEXT OF THIS COMPETITION A

ND IT IS ENCRYPTED ACXCORDING TO AN ADFGVX TYPE CIPHER STOP WHEN YO

U ATTEMPT XTO CRYPTANALYSE STAGE SEVEN YOU WILL SEXE THAT IT IS MOR

E COMPLICATED THAN A STRAIGHTFORWARD ADFGVX CIPHER STOP UNFORTU

NATELY I CAN XNOT GIVE YOU ANY MORE CLUES STOP NEWPARAGRAPH IN TERM

S OF THIS XSTAGE THE SHIBBOLETH THAT YOU SHOULD TAKE NOTE OF IS MOLY

BDENUM NEWPARAGRAPH YOU WILXL PROBABLY HAVE NOTICED BY NOW THAT E

ACH STAGE IS IN A DIFFERENT CIPHER AND IS USUALLY IN AN APPROPRIATE

LANGUAGE STOP SO THE VIGENERE STAGE WAS IN FRENCH AND THIS PLAYFAI

R STAGE IS IN ENGLISH STOP IF THE PATXTERN PERSISTS THEN THE NEXT ST

AGE WILXL BE IN GERMAN STOP BUT DOES THE PATTERN PERSIST QUESTIONM

ARKQ

stage 6 solution

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Stage 6 - Solution

This stage is number six and it is a playfair cipher. The following

stage is number seven within the context of this competition and it is

encrypted according to an ADFGVX type cipher. When you attempt to

cryptanalyse stage seven you will see that it is more complicated than

a straight forward ADFGVX cipher. Unfortunately I can not give you

any more clues.

In terms of this stage the shibboleth that you should take note of

is molybdenum.

You will probably have noticed by now that each stage is in a

different cipher and is usually in an appropriate language. So the

Vigenere stage was in French and this playfair stage is in English.

If the pattern persists then the next stage will be in German. But

does the pattern persist?

stage 7 adfgvx

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Stage 7 - ADFGVX

A D F G V X

A 1 A 2 B 3 C

D D 4 E F G 5

F H I J K 6 L

G M 7 N O P Q

V R 8 S T U V

X 9 W X Y Z 0

This is stage 7

Step 1: Translate to coordinates

VG FA FD VF FD VF VF VG AD DV DF GD

stage 7 adfgvx33

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Stage 7 - ADFGVX

Step 2: Type in the text in a code word matrix

WILD

Step 4: Read out from the columns

VG FA FD VF FD VF VF VG AD DV DF GD

AFFGVD

VFFVAD

V G F A

GDDFDF

FVVVDG

Step 3: Sort the columns

D

A

F

F

G

V

D

I

G

D

D

F

D

F

L

F

V

V

V

D

G

W

V

F

F

V

A

D

F D V F

F D V F

V F V G

A D D V

D F G D

stage 7 cryptotext

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Stage 7 - Cryptotext

MCCMMCTRUOUUUREPUCCTCTPCCCCUUPCMMPRTCCRUPECCMUUPCMPEPPUPURUPPMEUPUCEUUCUCCCMEMTUPETPCMRCMCCUCCMPECRTMRUPMPMRCPMMCRUMCUUEURPPCMOUUEUCCMUMTUCUCUTMUUUPMUUCTCUPMMCCRPPPPMMMMEEUMRCCCPUUEUPMUMMCCPECUCUPCTCUEPMPCUUEEUUUTPMMUCCTCCPPPCTPUCUCCCUREUTUCMEPCCEMUUUPRMMTMUCMMMCCCCCCMEPUECUMRERUUUUMURCCPMUURUUPMUPRPPUUUUMRCCPCPEURMMMPUTCRUUEOUUUMCMUURUPURUCMUCRUMMCUPUUMUCREUUUPCCURRCPRMCTRCUUURCTPPMUUCCUUUUMUUEPCRMEPMPUUCCCUMMUUMCUCMCCCRTCCMEEUPTMUUMMMCCPPTMCPTEOUUUMUUCRMCCCMCPRCRCEPMCMCPUUCMCCOMTPRCMCPCPMCPCERRECCRRECRUPUEEPMUMTCUCEUUTPCEUMRCUUURRUCRUUCRPPTTCPCPCUCUMUMPECEERPMRMMURUMEPMRMMCPRUCRCPEERPUUUUREPCCMMEPPPRCCUMPCCCMMEEUUPPERUECPUEMUCCUUCPUEPUCMCMCUUCMMMCUPCCMMUUUCUOPUCUPMPUECCEUPMCEPRCTRMCCUUTECECCRMUCURUCMUCRCMPCCUORUCTUCCMCUCMUMMTRUMCMMCPUUMUPCCMPCUUEPCTECTUUTCEEMTUCTEPPRUUMUUECMUMRUEPCUMPPOURUCCUPUCUCUEPCMMECCUCECPPCCCCOCRCRCRTUCPPTPUOCUORUCCCEUCPPMRRCEUUURURCCMTPPURPPCTRRTRUUPMTMUUETRPROEMPTPTEPRERPTRUUUMTRUMTPPPRUUPEOUTPTROMUUERMMEPUTTOTOOMTPRMPPTMREURRUPMTRPPREMUPRTRMMEOUMMUPUUOUMEMOMECPEUUUUCRUTTTRTUPTTPEREMUUREEPETRMPTRUUUOTRUUOOTTTOTTETETOUPOMTUUOUTOEETPTEMUUTURCUOPTRPOTEEMCOUUEPRMPTTTUPPRETTROEMUETPOPMTERTEUUUPUPUUEMMOTOUMORRCMUUUETUOTTEMTTCTMETEREUMUEETUMETPUTPUETTMPEERTCPTOUUTRERETUTRETRTRUTCMTCUUTPOMTTPTPTOUMEOTTRPEPUTTTRTTOUMUUTPEECTMPPMUECTRPUCTEUUETPTOTPMTMCPUEPPUPRMTPCRURPREMERTUEEROROTOMMRCUUEUTPTEPPEUUTPOTPPMEPEMTREEUTUUTOTPREEROPORRMUUTMPRTTMEEETERUTMTOOCPEPPMPMTPRRMEPREUMMPRTREEPUTTPECTURURCOPEEEOOUEMOMPTUECERMMMPPEPMUEMURTEUMRTTPUTCEROETMUUROTUTTRMUETETTRPROUTUUPREUTTRTPMTUPEEMETEPTOETUUTEPTMUUEEPPTPMUPTEPRMUTTPMUMMECRETEPTRTURPMTOOUEEOTOURUURTUEUTPOMTPPUREOTCMCPRPROOEERUUEERUMUUUCPPCPUETERURPORPTPCTPERERMUTTREUPRTMECUREPPOUTMOTCTMPTPOEUUTOTPTOREUETURMETREPEEPRUCPEMMPTMUUTTEOERMURUURUTPTTECETORTMTMETTUEMUUCTOPEMUUEPUMCMUCMTPOUCECMTREMCPCMCTPMMPPCMUUUUCMCCCPTMMUCREUUCTRREUCURECPMRCECUCEUCCPMCTTPCREURMUTUPMPPMMCUTMCMCCEUUCTUPUUUUURCUMEPOTUUUCTEPCCPMCCTPCPUMERUCUMEMMRMUPCMUUCUCRUUUUCPCUPCECMCUUPOPCUUUUCUTTCPCMCUUCCEPUUPCMPUCMMMPUUUEPMPPECRCMPRECRRUMCUECPUPUCEMPMUCRTUTUCRCCUPUUCUMMPUUUUECUUCCECPPPRRMCMMECCRMMRCCECTURMCECCCPMMMRPECUUUCPPMMECCMMRRCMUCMRCPCUCMUCCCPCTRCUUEUCCMTEMCRCPECCUUCUUCPETPCCPPTUMPCMPCMCEUCCCPCUCTCCCMTUMPTUMEUCPPMUMPMMREMCUMMMERUCUCCMPUUEUCPCEPPRUUCCUCTPUETERCMMMURUUPURPUEEMUMUMRCUUCRMRCPTEMECMMUCUCUUPPETTTMPCPMMUEMPPCUTPMCMUUPUCCPMPRCMCRPUPMEMUUURCOCPCUEPMRCPTMMMMCCECUMCUUCECPPUCPMRMEPCUURUCUCPRTUERMCCRPMUURUUPMEUPCECPTRUTUMCECEPCUTCUCPEPCCUUETPPCPUUMCMMROUCCPUCPPEPMECRPCMCUMPUCUUUEMMCUTMCUMCUEUCMUCCTPUREUPPCOPMPMUUMMMUUETPUUUUUPPPPMUECERURPURTPMPPPMEMCTUPCMECPPCCEMURMPTUURCUEPCUECPUTCURUCPRUMTCOCCMPUCMEPEMPRUPPECCPCUUCCCEUMRUUEUUEUCPCPMPUCUMPUCUMPPREUUUPEUPEUUCTPOTUPETUOECOTTEMOTEUTEUMUPMUTPOUPETERPUTPRUUUPOTTEPTRRMTCETOROPMTRETRCOETPROEEPTEPMMEUPEPEPUPUUREEPERTPEECEPORTUEMETTEPTERMMTTETTTPORUMPTTERPPUURMTTOMTMUMMUUTUOEPEUUOTCPEPTMRERURPETPPTTPCORPTTTMUTRUPPTERREURPRTRETTRCPRCUUMUPRUUUMTPRTRETTUUUOCUMUUUUMOTTPEMETTERPCTOETUURMEPEEORCPETMPPRUTTRUUETMOTMUUMTERUTOTCRPMURMUMRMPMOOMOUOTPOREMEMUPTORTRRPOOUTPPPEPMTPEOCTRRMETORTPEMMPEEETRUURURPPUPURTROUMTMRCUOTETRCRPEECPTEEUUEMTTPURUPEUOEUUMPEMUUTTEREUMERTTETTTMEUTMRTORMECUCUEUEPRUMTUUERMUTREUUPEEMEERCUUUTRMRTRMUUMMEPPTPRTEMTEMPEUETPOOOUUMOTOUTOOPEPRUURTTTMURTUTETPCOTEMTUOETRMTETEMMTUMOEEOOUMOPTPRUTMRMTRTPTUUEPUUPURROEUERUUOUPRTMETPEPPOTRMCMRUTTPUUEURTTEETETUUEUEETURRMEEMREURCTPEMUUREPRUEORURUUPTUMPEMTTPTUEMUPMORTOOOUTPPMUUPUPERERUUOUEETUPETETPTTTEMRUURTTTUTTMUPRPRRURUUTMTURTCUEEOMRRTETTMUTPPRPEPTREEOOTTETRETRUTPRUTMUUUTMUUCTUUPUERUEEMMUEETTPETMUMETTETTPMREMRTPTETOURTPPOETTOMTPTETEUTPUCUMUCUOETUCPECUCMUPMUCUTTUCTUUMUCURPUCPMCUUMUCCEPCMMUCPTPUMUPUCMECMPUMPPMUEMPPEPUTEUMEPEPUPUURMTPEMRPMMPTPOPRCRUEPCMPPMRCCCPUCUPTUMUUPCPEMPTUUMCCCUPCCUTUUURCEMPEUCMRPPEPCCMMMUMPECMTRERPUMPCCPTUCMCOPCURUECMTECMMCCRPPEPUUCUTMUUUCCTMCMECPCUUUPUCUUUTCUCCPTUUCCMMPPREMCUURUUMUEUUPPUCRPMRUPCMUUECUUCCUURCERRCUCPMPUUMTUURCMPEMUUUUCTUMTTTCUMPUMCMRTUUUCPPMEPUCTOUPCMMCECUMCPECUPMTEPRUURURMPUPERCRUUCCCMPCUCMRMPMPEEPTPEMCURCPCPURUTEUUEUUUPTCUCCCEMMTUTREREMPRRMUCCRCUMUEPUPUEUEPMUTRUCCMUUCMMUUPMECMMEMUUUCMRPCMCUUCCETPCPRRMURRCTECMCMUUUUUUECUUCUUTEPMUURCCCUURCUCECPPUCMURCUUCRUCMCRCCCUCUMEMUUCPPPPRCRURUCMCPPCRMPUEPUMPOMUMMCUUUPCCCECTMRPUPMPOCCTPCMUUMCMCCTUCECUUMCCMCUERTTRCMMUMTCPERUUMMTRUEUMCMCCMCUUPMUCCTPUMCUTPUMCUUUUCPPUCETUPERTRUUUUMMCUMEEMCTCCPURRUURCPCUPCCUPMPMMURUUCCCEPRPUMMUTCMCMCCCUCPPCMEPCREMUURCTPEMCMCCPRUCCUUUCCUUPCUUPUTRUEEUUUEUCRPMRUUUOCPOCRPCMECRCPCECUUECPPUMPPEPCPRMPEUCPTUEMTUTTEOPRUEPEPMTPUPTTRRERPUEMMOPMUPRUUUMEMPPPUTOUROPROPPMETPRMTUURPTPUUTOUUMTEPCOEMCUUTPUUPTOTUUTTUUURTPTRTTMOCTRUTROTTROPTUMPPMURTEUMTPEUMCMPREPMREEEEUTTTEUUTMTPURUEUUMTUPPUTTREMTPTRRUTURTRUUTOTEROTMUUUTMUPTPUURTERUMMTMTTUPRPPPEMEPCMUMTRREMUCEUPPTTTTTPRUUURTEEPUPUTMMTUPMRUOPEUEETMMPEMTPECRETMEOUTMEEPREUMEMRTOTEMTOTPTECEPTUTREEEMPPTPEECPPTMUUTMUMPRMEREUUPTOEOPUEPTRTTEPMOUMPEUTMTTMUUUTTPTERMTRRUURUUEURTEEMUTTEPOUUEMEEPCRURMETMETOREUUOTRTPRTTEUMMTPMMRPEUURERTEOTUTRROTOTETTEOTUEUUETUETPMUOORTOUMCOTUECEUUREUUMTTERUOTTMTETTEOTUTEPTRCTUUPPERUTOUUEORMUEMPREMUUPOPMOUOOTECUOETUCMTTPTTUURTTMMOPTPUCMTUUOMUMTTTORTUPETETROMTRETTUEUUTPPTMEUMURUUUURETUTRURRTTPPTTPOETEMUOTCOUEMTTMTUEUUPTUPUPTROTUEEROEROUEMCPTERCPPTMUUMTOMCEMUTPTTTOUTOEMTTPPCREPOTEPPERPOPPOTEUUUURPUUCPRPRMTREUUERMUCTOPTTUUTPMCTRMETEMMUOPTUUETPPMMRMTUPRMUPRMOUPRTEUUURMMCORTUMTOETMUPMUTTPUTTERMUUPCETMTUPTPPETRUTTPOTMECURCPUOPMTPMCMPEPCMMUORRMPCMMORCCUTCCOMCUUPRCPPPUCUUEUPRUPMCECTMCCUURPPMUUEUUUUCETUURCPUUREUCECUCCUECUUURCPPMCCCUPRMUCMUCPRUPPUOMPUUUCMUUCPMUCRCPMMTCMMUOMCMCCMUUPCCTURUEUUUCUMTUCCMMUCTCRRURUMRPRUCUCEMUCCUUUETUMCPCURPURCUUMUPPCEMPPPUUMPPCCPRRCECCRMCPPRCCRPPMUUURCMEPCPUCCCCUPRRUUPMCEMCUTMUCCMEPMMPPMUUCCEMPREUUTCPCUCMCCUCMRTPMPCUCPPMRCMPCPEMPPPMRUUCCUUPRCERTUUPCUMUPUMPCRCCEPCUCCPMTRPCPCUUCRPPRURCCMEUURUUMURPEMRUCCMMUCRMCTMRPRCUCMCUUCUMMUUUEMCTMCCMUCTCMUCMPMUTRURREOCUCRCUPUCMPCEUCCEUUEPUMPTCCEURCUUCPURCTPEUUMMUUUCCMMTUCRCRMRPOUCUCUPCMPCUCTPMMUPUCUMUMCUTPPMEUUUPUPCUUUUCMPUEMCUPCCRPPRUUMCCUCUPCPCPCCUUUCURCCPURCUTURECRUUCMTCCCMUCCPPPCMUCCUUUUUMMPUCRCUECCTPCPMEECMUUCCCUUMCPCCCUUCUPCUPUTCMMCUMMMUMMPUMMPTRMMPPPMRUUUCUURETUCPECRPURURCCCTPPMTPUPMPPMRMURPUPUUUUUEPUCMPRPPCCROUUECTUPCUPCCUUCPCPCMUECMUTUUPCUUTPPPCMMUPCCRUCERTUCTECMCUUECRPUMCUTCUECCUPCUCCPURPMMTUTPPOCURCPCPPMCMCCCPUPPMRUTERMOTUMUUEMRCUUTPUPPTTTMUOTTERPRETTRMTEMTEUUTTRPTTCUTMTUPMREUPMUEUUUUUPTETCPUCEECTERMMTMOTMPMETRPEROPEMEMMPRPTRUPTUOEUMPPURMUUEMMMPUCPUMUTMPEUUOPPUOMPTOTRRMTPCPPPREPEERMREMUTPOUEMPPEERRMTRTOMEPTEMUEPRTUROOTOMUPPEROTTPTTMPPTPCUUUMTTUREOPMTRETTMEEUUOPMERMPETEERMUTTMMPEPOETMETERUUOORMEMMTRUURUOPRUPRPPUUUEEETTTTPEURERRPUETRUUEOOOUETEUUMUTURUTRUUTOPOTUPMURUUERUUUPUOOTTTPMEUERTMOUMTPPPEOMTTUUUOEUUETUUETURPUMTMMERRUUETOTPTTTRPTMPEEMTMEUUPOETTPPPRUTEECOUMEUUTTRTTTRTTRTTMEPPTRTPOUTRTTOPECRTPUTTCEMPTOMRETTTREUCOTOTRPRURPTUTEUUEPMEOTMMUUURRETMOUMMPCPETPTPRMTUPUETETEEMCCTERUROEEPRRRRTPTUUMTPEEMCUOUURECTUPPRTPPMTMUMCTTTPRREOUTPERUTMPURRUTUMOTTEETMTRMRTOMTRRRTOPTTERUOOMUTPRMMPRPUETMEUTTMPPRTPTPTTUUMRTETTRROTURUTRUUCMRCMTOCRUTPOTTPTMTEORRMRUEURRTTOURUPTUECTEOTMTPRTPUMMREEEPORPURPRUMEMOTTROPRUETTUETROMTOUEOPUTMTURPTPRRTMORETCTMTMUETTMRTTEORPCPPMMUMTTOUMTEUURTRTRMEMUUTMTUTRETPMTPPMM

stage 7 divide in columns

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Stage 7 - Divide in Columns

There are 7048 characters in the text

881 is prime!

We assume 8 columns

Note that 7048 = 8 * 881

MCCMMCTRUOUUUREPUCCTCTPCCCCUUPCMMPRTCCRUPECCMUUPCMPEPPUPURUPPMEUPUCEUUCUCCCMEMTUPETPCMRCMCCUCCMPECRTMRUPMPMRCPMMCRUMCUUEURPPCMOUUEUCCMUMTUCUCUTMUUUPMUUCTCUPMMCCRPPPPMMMMEEUMRCCCPUUEUPMUMMCCPECUCUPCTCUEPMPCUUEEUUUTPMMUCCTCCPPPCTPUCUCCCUREUTUCMEPCCEMUUUPRMMTMUCMMMCCCCCCMEPUECUMRERUUUUMURCCPMUURUUPMUPRPPUUUUMRCCPCPEURMMMPUTCRUUEOUUUMCMUURUPURUCMUCRUMMCUPUUMUCREUUUPCCURRCPRMCTRCUUURCTPPMUUCCUUUUMUUEPCRMEPMPUUCCCUMMUUMCUCMCCCRTCCMEEUPTMUUMMMCCPPTMCPTEOUUUMUUCRMCCCMCPRCRCEPMCMCPUUCMCCOMTPRCMCPCPMCPCERRECCRRECRUPUEEPMUMTCUCEUUTPCEUMRCUUURRUCRUUCRPPTTCPCPCUCUMUMPECEERPMRMMURUMEPMRMMCPRUCRCPEERPUUUUREPCCMMEPPPRCCUMPCCCMMEEUUPPERUECPUEMUCCUUCPUEPUCMCMCUUCMMMCUPCCMMUUUCUOPUCUPMPUECCEUPMCEPRCTRMCCUUTECECCRMUCURUCMUCRCMPCCUORUCTUCCMCUCMUMMTRUMCMMCPUUMUPCCMPCUUEPCTECTUUTCEEMTUCTEPPRUUMUUECMUMRUEPCUMPPOURUCCUPUCUCUEPCMMECCUCECPPCCCCOCRCRCRTUCPPTPUOCUORUCCCEUCPPMRRCEUUURURCCMTPPURPPCTRRTRUUPMTMUUETRPROEMPTPTEPRERPTRUUUMTRUMTPPPRUUPEOUTPTROMUUERMMEPUTTOTOOMTPRMPPTMREURRUPMTRPPREMUPRTRMMEOUMMUPUUOUMEMOMECPEUUUUCRUTTTRTUPTTPEREMUUREEPETRMPTRUUUOTRUUOOTTTOTTETETOUPOMTUUOUTOEETPTEMUUTURCUOPTRPOTEEMCOUUEPRMPTTTUPPRETTROEMUETPOPMTERTEUUUPUPUUEMMOTOUMORRCMUUUETUOTTEMTTCTMETEREUMUEETUMETPUTPUETTMPEERTCPTOUUTRERETUTRETRTRUTCMTCUUTPOMTTPTPTOUMEOTTRPEPUTTTRTTOUMUUTPEECTMPPMUECTRPUCTEUUETPTOTPMTMCPUEPPUPRMTPCRURPREMERTUEEROROTOMMRCUUEUTPTEPPEUUTPOTPPMEPEMTREEUTUUTOTPREEROPORRMUUTMPRTTMEEETERUTMTOOCPEPPMPMTPRRMEPREUMMPRTREEPUTTPECTURURCOPEEEOOUEMOMPTUECERMMMPPEPMUEMURTEUMRTTPUTCEROETMUUROTUTTRMUETETTRPROUTUUPREUTTRTPMTUPEEMETEPTOETUUTEPTMUUEEPPTPMUPTEPRMUTTPMUMMECRETEPTRTURPMTOOUEEOTOURUURTUEUTPOMTPPUREOTCMCPRPROOEERUUEERUMUUUCPPCPUETERURPORPTPCTPERERMUTTREUPRTMECUREPPOUTMOTCTMPTPOEUUTOTPTOREUETURMETREPEEPRUCPEMMPTMUUTTEOERMURUURUTPTTECETORTMTMETTUEMUUCTOPEMUUEPUMCMUCMTPOUCECMTREMCPCMCTPMMPPCMUUUUCMCCCPTMMUCREUUCTRREUCURECPMRCECUCEUCCPMCTTPCREURMUTUPMPPMMCUTMCMCCEUUCTUPUUUUURCUMEPOTUUUCTEPCCPMCCTPCPUMERUCUMEMMRMUPCMUUCUCRUUUUCPCUPCECMCUUPOPCUUUUCUTTCPCMCUUCCEPUUPCMPUCMMMPUUUEPMPPECRCMPRECRRUMCUECPUPUCEMPMUCRTUTUCRCCUPUUCUMMPUUUUECUUCCECPPPRRMCMMECCRMMRCCECTURMCECCCPMMMRPECUUUCPPMMECCMMRRCMUCMRCPCUCMUCCCPCTRCUUEUCCMTEMCRCPECCUUCUUCPETPCCPPTUMPCMPCMCEUCCCPCUCTCCCMTUMPTUMEUCPPMUMPMMREMCUMMMERUCUCCMPUUEUCPCEPPRUUCCUCTPUETERCMMMURUUPURPUEEMUMUMRCUUCRMRCPTEMECMMUCUCUUPPETTTMPCPMMUEMPPCUTPMCMUUPUCCPMPRCMCRPUPMEMUUURCOCPCUEPMRCPTMMMMCCECUMCUUCECPPUCPMRMEPCUURUCUCPRTUERMCCRPMUURUUPMEUPCECPTRUTUMCECEPCUTCUCPEPCCUUETPPCPUUMCMMROUCCPUCPPEPMECRPCMCUMPUCUUUEMMCUTMCUMCUEUCMUCCTPUREUPPCOPMPMUUMMMUUETPUUUUUPPPPMUECERURPURTPMPPPMEMCTUPCMECPPCCEMURMPTUURCUEPCUECPUTCURUCPRUMTCOCCMPUCMEPEMPRUPPECCPCUUCCCEUMRUUEUUEUCPCPMPUCUMPUCUMPPREUUUPEUPEUUCTPOTUPETUOECOTTEMOTEUTEUMUPMUTPOUPETERPUTPRUUUPOTTEPTRRMTCETOROPMTRETRCOETPROEEPTEPMMEUPEPEPUPUUREEPERTPEECEPORTUEMETTEPTERMMTTETTTPORUMPTTERPPUURMTTOMTMUMMUUTUOEPEUUOTCPEPTMRERURPETPPTTPCORPTTTMUTRUPPTERREURPRTRETTRCPRCUUMUPRUUUMTPRTRETTUUUOCUMUUUUMOTTPEMETTERPCTOETUURMEPEEORCPETMPPRUTTRUUETMOTMUUMTERUTOTCRPMURMUMRMPMOOMOUOTPOREMEMUPTORTRRPOOUTPPPEPMTPEOCTRRMETORTPEMMPEEETRUURURPPUPURTROUMTMRCUOTETRCRPEECPTEEUUEMTTPURUPEUOEUUMPEMUUTTEREUMERTTETTTMEUTMRTORMECUCUEUEPRUMTUUERMUTREUUPEEMEERCUUUTRMRTRMUUMMEPPTPRTEMTEMPEUETPOOOUUMOTOUTOOPEPRUURTTTMURTUTETPCOTEMTUOETRMTETEMMTUMOEEOOUMOPTPRUTMRMTRTPTUUEPUUPURROEUERUUOUPRTMETPEPPOTRMCMRUTTPUUEURTTEETETUUEUEETURRMEEMREURCTPEMUUREPRUEORURUUPTUMPEMTTPTUEMUPMORTOOOUTPPMUUPUPERERUUOUEETUPETETPTTTEMRUURTTTUTTMUPRPRRURUUTMTURTCUEEOMRRTETTMUTPPRPEPTREEOOTTETRETRUTPRUTMUUUTMUUCTUUPUERUEEMMUEETTPETMUMETTETTPMREMRTPTETOURTPPOETTOMTPTETEUTPUCUMUCUOETUCPECUCMUPMUCUTTUCTUUMUCURPUCPMCUUMUCCEPCMMUCPTPUMUPUCMECMPUMPPMUEMPPEPUTEUMEPEPUPUURMTPEMRPMMPTPOPRCRUEPCMPPMRCCCPUCUPTUMUUPCPEMPTUUMCCCUPCCUTUUURCEMPEUCMRPPEPCCMMMUMPECMTRERPUMPCCPTUCMCOPCURUECMTECMMCCRPPEPUUCUTMUUUCCTMCMECPCUUUPUCUUUTCUCCPTUUCCMMPPREMCUURUUMUEUUPPUCRPMRUPCMUUECUUCCUURCERRCUCPMPUUMTUURCMPEMUUUUCTUMTTTCUMPUMCMRTUUUCPPMEPUCTOUPCMMCECUMCPECUPMTEPRUURURMPUPERCRUUCCCMPCUCMRMPMPEEPTPEMCURCPCPURUTEUUEUUUPTCUCCCEMMTUTREREMPRRMUCCRCUMUEPUPUEUEPMUTRUCCMUUCMMUUPMECMMEMUUUCMRPCMCUUCCETPCPRRMURRCTECMCMUUUUUUECUUCUUTEPMUURCCCUURCUCECPPUCMURCUUCRUCMCRCCCUCUMEMUUCPPPPRCRURUCMCPPCRMPUEPUMPOMUMMCUUUPCCCECTMRPUPMPOCCTPCMUUMCMCCTUCECUUMCCMCUERTTRCMMUMTCPERUUMMTRUEUMCMCCMCUUPMUCCTPUMCUTPUMCUUUUCPPUCETUPERTRUUUUMMCUMEEMCTCCPURRUURCPCUPCCUPMPMMURUUCCCEPRPUMMUTCMCMCCCUCPPCMEPCREMUURCTPEMCMCCPRUCCUUUCCUUPCUUPUTRUEEUUUEUCRPMRUUUOCPOCRPCMECRCPCECUUECPPUMPPEPCPRMPEUCPTUEMTUTTEOPRUEPEPMTPUPTTRRERPUEMMOPMUPRUUUMEMPPPUTOUROPROPPMETPRMTUURPTPUUTOUUMTEPCOEMCUUTPUUPTOTUUTTUUURTPTRTTMOCTRUTROTTROPTUMPPMURTEUMTPEUMCMPREPMREEEEUTTTEUUTMTPURUEUUMTUPPUTTREMTPTRRUTURTRUUTOTEROTMUUUTMUPTPUURTERUMMTMTTUPRPPPEMEPCMUMTRREMUCEUPPTTTTTPRUUURTEEPUPUTMMTUPMRUOPEUEETMMPEMTPECRETMEOUTMEEPREUMEMRTOTEMTOTPTECEPTUTREEEMPPTPEECPPTMUUTMUMPRMEREUUPTOEOPUEPTRTTEPMOUMPEUTMTTMUUUTTPTERMTRRUURUUEURTEEMUTTEPOUUEMEEPCRURMETMETOREUUOTRTPRTTEUMMTPMMRPEUURERTEOTUTRROTOTETTEOTUEUUETUETPMUOORTOUMCOTUECEUUREUUMTTERUOTTMTETTEOTUTEPTRCTUUPPERUTOUUEORMUEMPREMUUPOPMOUOOTECUOETUCMTTPTTUURTTMMOPTPUCMTUUOMUMTTTORTUPETETROMTRETTUEUUTPPTMEUMURUUUURETUTRURRTTPPTTPOETEMUOTCOUEMTTMTUEUUPTUPUPTROTUEEROEROUEMCPTERCPPTMUUMTOMCEMUTPTTTOUTOEMTTPPCREPOTEPPERPOPPOTEUUUURPUUCPRPRMTREUUERMUCTOPTTUUTPMCTRMETEMMUOPTUUETPPMMRMTUPRMUPRMOUPRTEUUURMMCORTUMTOETMUPMUTTPUTTERMUUPCETMTUPTPPETRUTTPOTMECURCPUOPMTPMCMPEPCMMUORRMPCMMORCCUTCCOMCUUPRCPPPUCUUEUPRUPMCECTMCCUURPPMUUEUUUUCETUURCPUUREUCECUCCUECUUURCPPMCCCUPRMUCMUCPRUPPUOMPUUUCMUUCPMUCRCPMMTCMMUOMCMCCMUUPCCTURUEUUUCUMTUCCMMUCTCRRURUMRPRUCUCEMUCCUUUETUMCPCURPURCUUMUPPCEMPPPUUMPPCCPRRCECCRMCPPRCCRPPMUUURCMEPCPUCCCCUPRRUUPMCEMCUTMUCCMEPMMPPMUUCCEMPREUUTCPCUCMCCUCMRTPMPCUCPPMRCMPCPEMPPPMRUUCCUUPRCERTUUPCUMUPUMPCRCCEPCUCCPMTRPCPCUUCRPPRURCCMEUURUUMURPEMRUCCMMUCRMCTMRPRCUCMCUUCUMMUUUEMCTMCCMUCTCMUCMPMUTRURREOCUCRCUPUCMPCEUCCEUUEPUMPTCCEURCUUCPURCTPEUUMMUUUCCMMTUCRCRMRPOUCUCUPCMPCUCTPMMUPUCUMUMCUTPPMEUUUPUPCUUUUCMPUEMCUPCCRPPRUUMCCUCUPCPCPCCUUUCURCCPURCUTURECRUUCMTCCCMUCCPPPCMUCCUUUUUMMPUCRCUECCTPCPMEECMUUCCCUUMCPCCCUUCUPCUPUTCMMCUMMMUMMPUMMPTRMMPPPMRUUUCUURETUCPECRPURURCCCTPPMTPUPMPPMRMURPUPUUUUUEPUCMPRPPCCROUUECTUPCUPCCUUCPCPCMUECMUTUUPCUUTPPPCMMUPCCRUCERTUCTECMCUUECRPUMCUTCUECCUPCUCCPURPMMTUTPPOCURCPCPPMCMCCCPUPPMRUTERMOTUMUUEMRCUUTPUPPTTTMUOTTERPRETTRMTEMTEUUTTRPTTCUTMTUPMREUPMUEUUUUUPTETCPUCEECTERMMTMOTMPMETRPEROPEMEMMPRPTRUPTUOEUMPPURMUUEMMMPUCPUMUTMPEUUOPPUOMPTOTRRMTPCPPPREPEERMREMUTPOUEMPPEERRMTRTOMEPTEMUEPRTUROOTOMUPPEROTTPTTMPPTPCUUUMTTUREOPMTRETTMEEUUOPMERMPETEERMUTTMMPEPOETMETERUUOORMEMMTRUURUOPRUPRPPUUUEEETTTTPEURERRPUETRUUEOOOUETEUUMUTURUTRUUTOPOTUPMURUUERUUUPUOOTTTPMEUERTMOUMTPPPEOMTTUUUOEUUETUUETURPUMTMMERRUUETOTPTTTRPTMPEEMTMEUUPOETTPPPRUTEECOUMEUUTTRTTTRTTRTTMEPPTRTPOUTRTTOPECRTPUTTCEMPTOMRETTTREUCOTOTRPRURPTUTEUUEPMEOTMMUUURRETMOUMMPCPETPTPRMTUPUETETEEMCCTERUROEEPRRRRTPTUUMTPEEMCUOUURECTUPPRTPPMTMUMCTTTPRREOUTPERUTMPURRUTUMOTTEETMTRMRTOMTRRRTOPTTERUOOMUTPRMMPRPUETMEUTTMPPRTPTPTTUUMRTETTRROTURUTRUUCMRCMTOCRUTPOTTPTMTEORRMRUEURRTTOURUPTUECTEOTMTPRTPUMMREEEPORPURPRUMEMOTTROPRUETTUETROMTOUEOPUTMTURPTPRRTMORETCTMTMUETTMRTTEORPCPPMMUMTTOUMTEUURTRTRMEMUUTMTUTRETPMTPPMM

stage 7 pair up the columns

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Stage 7 - Pair up the Columns

Lock one in place

MCCMMCTRUOUUUREPUCCTCTPCCCCUU...

RRTRUUPMTMUUETRPROEMPTPTEPRER...

Rotate the others

UCUMUCUOETUCPECUCMUPMUCUTTUCT...

RUTERMOTUMUUEMRCUUTPUPPTTTMUO...

UMCMUCMTPOUCECMTREMCPCMCTPMMPP...

TUEMTUTTEOPRUEPEPMTPUPTTRRERPU...

CURCPUOPMTPMCMPEPCMMUORRMPCMM...

OTUPETUOECOTTEMOTEUTEUMUPMUTP...

We will end up with a 64 character substitution cipher

with 24 possible permutations

This can be regarded as one character

MR

Search for frequencies and matches

stage 7 substitute

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Frequenciesz:13.9% k:13.9% Z: 8.0% e: 6.2% U: 6.1% @: 5.6% 9: 5.2% F: 5.2%

Stage 7 - Substitute

jUkeekzskzCkeXF@zEoeskzFXznTLQopo9@zI6TIzUZzskez9osEk9@KeFZda

jUekekszkzkCeX@FzEeoskFzXzTnLQpoo9z@I6ITzUzZskze9oEsk9K@eFdZa

jkUeezkskCzkeFX@zoEeszkFXnzTLoQpo@9zIT6IzZUzsekz9soEk@9KeZFda

jkeUezskkCkzeF@XzoeEszFkXnTzLopQo@z9ITI6zZzUsezk9sEok@K9eZdFa

jeUkeskzkkzCe@XFzeEosFkzXTznLpQooz9@II6TzzUZszke9EoskK9@edFZa

jekUeszkkkCze@FXzeoEsFzkXTnzLpoQoz@9IIT6zzZUszek9EsokK@9edZFa

UjkekezszkCkXeF@EzoekszFzXnTQLop9o@z6ITIUzZzksezo9sE9k@KFeZdU

UjekkeszzkkCXe@FEzeoksFzzXTnQLpo9oz@6IITUzzZkszeo9Es9kK@FedZU

UkjekzeszCkkXFe@EozekzsFznXTQoLp9@oz6TIIUZzzkeszos9E9@kKFZedU

UkejkzsezCkkXF@eEoezkzFsznTXQopL9@zo6TIIUZzzkezsosE99@KkFZdeU

UejkksezzkkCX@eFEezokFszzTXnQpLo9zo@6IITUzzZkzseoE9s9Kk@FdeZU

UekjkszezkCkX@FeEeozkFzszTnXQpoL9z@o6ITIUzZzkzesoEs99K@kFdZeU

kjUezeksCkzkFeX@ozEezskFnXzToLQp@o9zTI6IZzUzeskzs9oE@k9KZeFd9

kjeUzeskCkkzFe@XozeEzsFknXTzoLpQ@oz9TII6ZzzUeszks9Eo@kK9ZedF9

kUjezkesCzkkFXe@oEzezksFnzXToQLp@9ozT6IIZUzzekszso9E@9kKZFed9

kUejzkseCzkkFX@eoEezzkFsnzTXoQpL@9zoT6IIZUzzekzssoE9@9KkZFde9

kejUzsekCkkzF@eXoezEzFsknTXzopLQ@zo9TII6ZzzUezsksE9o@Kk9ZdeF9

keUjzskeCkzkF@XeoeEzzFksnTzXopQL@z9oTI6IZzUzezkssEo9@K9kZdFe9

ejUksekzkkzC@eXFezEoFskzTXznpLQozo9@II6TzzUZzskeE9osKk9@deFZ4

ejkUsezkkkCz@eFXezoEFszkTXnzpLoQzo@9IIT6zzZUzsekE9soKk@9deZF4

eUjkskezkzkC@XeFeEzoFkszTzXnpQLoz9o@I6ITzUzZzkseEo9sK9k@dFeZ4

eUkjskzekzCk@XFeeEozFkzsTznXpQoLz9@oI6TIzUZzzkesEos9K9@kdFZe4

ekjUszekkCkz@FeXeozEFzskTnXzpoLQz@o9ITI6zZzUzeskEs9oK@k9dZeF4

ekUjszkekCzk@FXeeoEzFzksTnzXpoQLz@9oIT6IzZUzzeksEso9K@9kdZFe4

jierre se CerXat EorseaX nTLQopost I6TI in sersosEestKranda

jireres e eCrXta Erosea X TnLQpoos tI6IT i nse rsoEsesKtradna

jeirr eseC eraXt oErs eaXn TLoQpots IT6I ni sre ssoEetsKrnada

jerir seeCe ratX orEs aeXnT LopQot sITI6 n isr essEoetKsrndaa

jrierse ee CrtXa rEosae XT nLpQoo stII6T ins ersEoseKstrdana

jreirs eeeC rtaX roEsa eXTn LpoQo tsIIT6 nis resEsoeKtsrdnaa

ijerer s eCeXratE ores a XnTQLopsot 6ITIi n esr ossEsetKarndi

ijreers eeCXrtaE roesa XTnQLposo t6IITi nes rosEsseKtardni

iejre rs CeeXartEo re sa nXTQoLpsto 6TIIin ers ossEsteKanrdi

ierje sr CeeXatrEor e as nTXQopLst o6TIIin er sosEsstKeandri

irjeesr eeCXtraEr oeas TXnQpLos ot6IITi ne sroEsssKetadrni

irejes r eCeXtarEro ea s TnXQpoLs to6ITIi n e rsoEsssKteadnri

ejir resCe earXto Er seanX ToLQptos TI6In i rse ssoEtesKnrads

ejri rseCee artXo rE saenXT oLpQto sTII6n irs essEoteKsnrdas

eijr ersC eeaXrtoE r esan XToQLptso T6IIni res sosEtseKnards

eirj esrC eeaXtroEr easn TXoQpLts oT6IIni re ssoEstsKenadrs

erji sreCee atrXor E asenTX opLQt osTII6n ir sesEsotKesndras

erij serCe eatXrorE aesnT XopQLt soTI6In i r essEostKsendars

rjiesre ee CtrXar Eoase TX npLQo ostII6T in serEsosKestdran4

rjeisr eeeC traXr oEas eTXn pLoQ otsIIT6 ni sreEssoKetsdrna4

rijeser e eCtXrarE oaes T XnpQLo sotI6IT i n esrEossKsetdarn4

riejse re CetXarrEo ae sT nXpQoL stoI6TI in ersEossKstedanr4

rejis reeCe tarXro Ea seTnX poLQ tosITI6 n i rseEssoKtesdnra4

reijs ereC etaXrroE a esTn XpoQL tsoIT6I ni resEsosKtsednar4

jierre se CerXat Eorse aX nTLQopost I6TI in ser sosEestKranda

jireres e eCrXta Erosea X TnLQpoos tI6IT i nse rsoEsesKtradna

jeirr eseC eraXt oErs eaXn TLoQpots IT6I ni sre ssoEetsKrnada

jerir seeCe ratX orEs aeXnT LopQot sITI6 n isr essEoetKsrndaa

jrierse ee CrtXa rEosae XT nLpQoo stII6T ins ersEoseKstrdana

jreirs eeeC rtaX roEsa eXTn LpoQo tsIIT6 nis resEsoeKtsrdnaa

ijerer s eCeXratE ores a XnTQLopsot 6ITIi n esr ossEsetKarndi

ijreers eeCXrtaE roesa XTnQLposo t6IITi nes rosEsseKtardni

iejre rs CeeXartEo re sa nXTQoLpsto 6TIIin ers ossEsteKanrdi

ierje sr CeeXatrEor e as nTXQopLst o6TIIin er sosEsstKeandri

irjeesr eeCXtraEr oeas TXnQpLos ot6IITi ne sroEsssKetadrni

irejes r eCeXtarEro ea s TnXQpoLs to6ITIi n e rsoEsssKteadnri

ejir resCe earXto Er seanX ToLQptos TI6In i rse ssoEtesKnrads

ejri rseCee artXo rE saenXT oLpQto sTII6n irs essEoteKsnrdas

eijr ersC eeaXrtoE r esan XToQLptso T6IIni res sosEtseKnards

eirj esrC eeaXtroEr easn TXoQpLts oT6IIni re ssoEstsKenadrs

erji sreCee atrXor E asenTX opLQt osTII6n ir sesEsotKesndras

erij serCe eatXrorE aesnT XopQLt soTI6In i r essEostKsendars

rjiesre ee CtrXar Eoase TX npLQo ostII6T in serEsosKestdran4

rjeisr eeeC traXr oEas eTXn pLoQ otsIIT6 ni sreEssoKetsdrna4

rijeser e eCtXrarE oaes T XnpQLo sotI6IT i n esrEossKsetdarn4

riejse re CetXarrEo ae sT nXpQoL stoI6TI in ersEossKstedanr4

rejis reeCe tarXro Ea seTnX poLQ tosITI6 n i rseEssoKtesdnra4

reijs ereC etaXrroE a esTn XpoQL tsoIT6I ni resEsosKtsednar4

SubstituteZ-> SPACEk->eZ->ne->rU->i@->t9->sF->a

stage 7 solution

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Stage 7 - Solution

Pierre de Fermat wurde am 20.August 1601 in der sudwestfranzoischen

Stadt Beaumont de Lomagne geboren. Der Vater Dominique Fermat war ein

wohlhabender Lederhandler und so kam Fermat in den Genuss einer einer

vorzuglichen Schulbildung im Franziskanerkloster Grandselve der sich

ein Studium an der Universitat von Toulouse anschloss. Ob sich Fermat

schon als junger Mann in der Mathematik besonders hervorgetan hat ist

<snip>

zahlten. ENDE.

Das gesuchte Wort ist Edison. ENDE.

Der naechste Teilnd der Umkehrwalze der Maschine. Es ist dennoch

zu beachten dass das Walzenlage falsch wiedergegeben ist. Eigentlich

sollen Walze 1 und Walze 2 gegeneinander ausgetauscht werden. Die

urspruengliche Walzestellung und Ringstellung und

Steckerverbindungenstellung sind unbekannt.

stage 8 enigma

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Stage 8 - Enigma
stage 8 enigma40

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Stage 8 - Enigma
stage 8 enigma cryptotext

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Stage 8 - Enigma Cryptotext

KJQPWCAISRXWQMASEUPFOCZOQZVGZGWW

KYEZVTEMTPZHVNOTKZHRCCFQLVRPCCWL

WPUYONFHOGDDMOJXGGBHWWUXNJEZAXFU

MEYSECSMAZFXNNASSZGWRBDDMAPGMRWT

GXXZAXLBXCPHZBOUYVRRVFDKHXMQOGYL

YYCUWQBTADRLBOZKYXQPWUUAFMIZTCEA

XBCREDHZJDOPSQTNLIHIQHNMJZUHSMVA

HHQJLIJRRXQZNFKHUIINZPMPAFLHYONM

RMDADFOXTYOPEWEJGECAHPYFVMCIXAQD

YIAGZXLDTFJWJQZMGBSNERMIPCKPOVLT

HZOTUXQLRSRZNQLDHXHLGHYDNZKVBFDM

XRZBROMDPRUXHMFSHJ

stage 8 enigma42

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Stage 8 - Enigma

DASXLOESUNGSWORTXISTXPLUTOXXSTUFEXNEUNXENTHAELTXEINEXMITTEIL

UNGXDIEXMITXDESXENTKODIERTXISTXXICHXHABEXDASXLINKSSTEHENDEXB

YTEXDESXSCHLUESSELSXENTDECKTXXESXISTXEINSXEINSXZEROXEINSXZER

OXZEROXEINSXEINSXEINSXXICHXPROGRAMMIERTEXDESXUNDXENTDECKTEXD

ASSXDASXWORTXDEBUGGERXWENNXESXMITXDEMXUNTENSTEHENDENXSCHLUES

SELXENTKODIERTXWIRDXALSXRESULTATXDIEXUNTENSTEHENDENXSCHRIFTZ

EICHENXHAT

stage 8 enigma43

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Stage 8 - Enigma

DAS LOESUNGSWORT IST PLUTO.

STUFE NEUN ENTHAELT EINE MITTEILUNG DIE MIT DES ENTKODIERT IST. ICH HABE DAS LINKSSTEHENDE BYTE DES SCHLUESSELS ENTDECKT. ES IST EINS EINS ZERO EINS ZERO ZERO EINS EINS EINS. ICH PROGRAMMIERTE DES UND ENTDECKTE DASS DAS WORT DEBUGGER WENN ES MIT DEM UNTENSTEHENDEN SCHLUESSEL ENTKODIERT WIRD ALS RESULTAT DIE UNTENSTEHENDEN SCHRIFTZEICHEN HAT

stage 9 des

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Pluto

Stage 9 - DES

begin 600 text.d

MM5P7)_8F_,H[JOF1C//L/W+)%QSK*Q37CJ-N 'W[_;CQSTW'UY0S2,\LQVG0

M@1&HY^1MHYI\>2P'F:6Y*E%X4A&$2'=L28$$..9["-ZIGA_VP(GIPK[CW3^L

M55+6OD^&=FS61(L96YG> '59*1Q^)/C?$1/C&9PN35-HP;.>V8_/P(.:+R(

M61]'NG^UF:,#57MMQSKN[N7M>1NE;2(!RUA495Q16!;Q<*("[C*"A"@%A+=S

M8AR45+G$-#8A?29V_.6%7*6D$J_G4JX'JM^1? K@._#(B/N7-<YNU;/,JF8C

M6LD[90MVJ2'I*.G@>9U%!E(33!S^K# N7JH_Y5RYE&=J@S!>^<C3Y=PD%-RP

M9&++^"JLPOK%T)-5KI>IUA"W;7;&D(D-2/U'$3\C7 ?]B* 3*C/Y!%U >&V6

M%W85NJ:JPO(>#C1)CFEL&^H3YKR2.59XJVD??\MX+ [S?3X_F^/*1$NGH$B&

MI$L2-C'E/@OD*&5;6+P+G1S D49AO=#9\C!4D$/F;C(H#MX:\%G[K[OR+2RG

M@@SCSVG!A5%FEV!=$YD"V.2T06@>C-&)3H<:Y9BOR=V#S_>\:S8GZ.*A"$!T

MZOE=/4QWLLB<[:K8T TZ@C9_,( #D:/G4)P2>,S?%9: Q]MV0;?F9;F1VP'@

M=!XCI_M>2?F=' ;20):%Y61[.! -W8%7M3BJUX/&!-E@A7C\(>5SZXESA$LZ

MF\_U//JGV"KKHE259927962%P-9J!*J@ DPJF]M2/>DXHA?JT"^2C7;_-9B;

MBM'CFTYUR#DOA7.J4ZW8=+3(9O>#4A+^!=4IV_6A!(PNGZ:T$O)659KNGS=>

MN"?LQ3$6F*I43Q(3_U:64V/L9$<E%">*#A9P>@(66#XDS!)-'*\JZE.,=G29

MOJLH!9.Y#+=?]!"C?2/?H5O!A]<KW^H%J "&>+EXK;II6)N6JY$%UB'BN3'F

MMS[XKP#JY(:3@V);U2,5PG 6$!46;.B/K'E7$4'MKN1]* YX^R"Q?Q+;,"./

MPL((>]UF90L7[<]9^E0*:NMBI(Q+B'>-IHF+,J0&"G0F.5L8@"_)<Y$<ZRU=

M']&L9!WD1Y<V[D:/:4J(+#X(NIKKDFO@#:5O_3G%7]AG5H.? ,%;D)=7'HKE

M.(_E=(*(W5HO3RA5WP8<!ZM.K2T.:&#P\LV;!7W$ K3)/A7D&P8SVO3-?$U1

M2J10K3T>2)OVRA'Y;C<DZVV+'$VXI_ $JZ^)39,'.7MK,0*QOP9O6QRQ0F(*

M&8J9O!Z">N;S%MD%%A.SD?'^\K]"R_@XE6V# >&P.$L#$,%N"C[H:A_EPH$V

M\H)(;C0#3^C] T9Z0=,9UQ(3N^3D],9PVM<AJ.T:('(.=1FB;NBV_YS!\7ON

M?-T%5B;2J^TORBWA^Z$B'$K8LC;'A+>@87(6!8Q%FRS=^;Y*0$FC">;I!NI*

@#%0SNY_0_-EK1>;84QMT0/(KQQ2LL+R##K:I=NK7.OT

end

stage 9 des45

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Pluto

Stage 9 - DES

We had a clue from Stage 8.

The leftmost byte of the DES key was given as

1101 0011 1

We only needed to search through 248 keys to find the right one!

stage 9 des46

desclients

multivac

internet

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Pluto

Stage 9 - DES
stage 9 des47

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Pluto

Stage 9 - DES

From: DES server [mailto:des-server@multivac.fatburen.org]

Sent: Friday, November 12, 1999 06:10

Subject: Good news

This is a message from the server that coordinates the code-breaking

effort on Stage 9.

A client just reported that it might have found the correct DES key.

The key and the cipher text decrypted with the candidate key follows.

Key: d3cd1694cba126fe

Message:

O!.cursed,.cursed.slave...Whip.me,.ye.devils,.From.the.possessio

n.of.this.heavenly.sight!.Blow.me.about.in.winds!.roast.me.in.su

lphur!.Wash.me.in.steep-down.gulfs.of.liquid.fire!.O.Desdemona!.

Desdemona!.dead!..Only.one.more.phase.to.go...Your.token.for.thi

s.one.is."Armstrong"...The.final.hurdle.contains.two.ciphertexts

...The.longer.one.is.encrypted.with.triple-DES.in.electronic.cod

e.book.mode...It.uses.a.128-bit.EDE.key...The.RSA.public.key.cry

ptosystem.has.been.used.to.encipher.the.triple-DES.key

stage 9 cleartext

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Pluto

Armstrong

Stage 9 - Cleartext

Excerpt from Othello, Act 5, scene 2 (William Shakespeare)

====================================

O! cursed, cursed slave. Whip me, ye devils,

From the possession of this heavenly sight!

Blow me about in winds! roast me in sulphur!

Wash me in steep-down gulfs of liquid fire!

O Desdemona! Desdemona! dead!

Only one more phase to go. Your token for this one is "Armstrong".

The final hurdle contains two ciphertexts. The longer one is encrypted with triple-DES in electronic code book mode. It uses a 128-bit EDE key. The RSA public key cryptosystem has been used to encipher the triple-DES key; this forms the shorter ciphertext. The public exponent is 3735928559 in decimal and the public modulus is the following 155-digit decimal integer:

10742 78829 12665 65907 17841 12799 42116 61266 39217 94753 29458

88778 17210 35546 41509 80121 87903 38329 26235 28109 07506 72083

50494 19964 33143 42555 83344 01855 80898 94268 92463.

Your task is to decipher the longer message and so discover the final code word. How you do this is up to you, but it will almost certainly be much, much easier to break the RSA ciphertext by factoring the public modulus than by any other approach.

Good luck!

stage 10 rsa 3des2

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Pluto

Armstrong

Stage 10 - RSA (+3DES2)

10052 30973 22295 13534 12990 66921 15454 81904 58209 26472 18119

11542 99190 01294 87266 20201 55809 80932 92390 96710 64341 91354

27685 27572 48495 78859 80627 33369 29356 36094 85523

begin 600 text.d

M.4#)>S I:R!!4)NA+\%T%V/(AW!7HHDPS$;T[\E!RWA?,J8:X#D[!:XF,A>K

MXT9$Q)37\IOMG6KL-$6?A!#FZ2Y)N+4%*.^2K!SP?Z2'8O7LZ]QP \T=QG-*

MAMJA;Q@3H[8^U/L<ILL%TA0J9M*F@8F?H:76%<33JOESAP=@3:(\:8NBGFM0

M,MP3B^CP%/D8DICZ$VO(7IS(DTJRZ&#Y- 7I\-#VI0">J@+O!CT.+6B9K$J%

4:EAB9%1#;(P+I>1!#<+2+;(7.W<

end

stage 10 rsa

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Pluto

Armstrong

Stage 10 - RSA

C = Me (mod N)

N and e make up the public key

Pick two large primes: p and q

Multiply p and q to get N

Pick p = 7 and q = 13

N = 91

Pick e = 5

stage 10 rsa51

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Pluto

Armstrong

Stage 10 - RSA

C = Me (mod N)

N and e make up the public key

M = Cd (mod N)

The private key is d

It shall solve e * d = 1 (mod ((p-1)*(q-1))

If we can factor N to get p and q,

we can decrypt!

stage 10 rsa52

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Pluto

Armstrong

Stage 10 - RSA

We need to factor N

21

= 7 * 3

391

= 17*23

16463

= 101*163

7099133

= 2459 * 2887

But N has 155 digits

10052 30973 22295 13534 12990 66921 15454 81904 58209 26472 18119

11542 99190 01294 87266 20201 55809 80932 92390 96710 64341 91354

27685 27572 48495 78859 80627 33369 29356 36094 85523 = p * q

stage 10 algorithm

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Pluto

Armstrong

Stage 10 - Algorithm

NFS - SNFS/GNFS

General Number Field Sieve

CPU Time

4 weeks

1. Find polynomials

2. Search for relations - Sieving

3. Filter the relations

4. Build a matrix for the equations system

5. Solve the equations system

6. Take the square root

7. Hopefully, a factor is found

67 years

5 days

hours

48 days

3 days

It was !!!!

stage 10 factors

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Pluto

Armstrong

Stage 10 - Factors

N = p77 * p78

p77 = 12844205165381031491662259028977553198964984323915864368216177647043137765477

p78 = 836391832187606937820650856449710761904520026199724985596729108812301394489219

stage 10 plaintext

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Pluto

Armstrong

Dryden

Stage 10 - Plaintext

For secrets are edged tools and must be kept from children and from fools.

The magic word you need to quote is DRYDEN.

Congratulations, you have solved the tenth and final stage of the challenge.

stage 10 conclusions

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Pluto

Armstrong

Dryden

Stage 10 - Conclusions

RSA depends on factoring being computationally difficult

We factored a 155-digit (512-bit) number into two primes

Usually, 1024 bits is minimum length today

Adding one bit doubles the size of the composite but it does NOT double the effort for factoring

Assuming Moores law, factoring a 1024 bit composite can be done with the same effort forty years from now.

stage 10 conclusions57

OthelloNeutron

Equator

Trajan

Illiad

Molybdenum

Edison

Pluto

Armstrong

Dryden

Stage 10 - Conclusions

Department of Energy has ordered a 12000 processor Alpha

Using that machine, we could have completed sieving in 2 days

That machine would need 10 000 years for a 1024-bit key