The Cipher Challenge The team members alphabetically were

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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 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 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 - Crypto. Text 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 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. Frequency Analysis n=1782 [ 32]: 284 15. 94% X [ 88]: 168 9. 43% T [ 84]: 131 7. 35% J [ 74]: 130 7. 30% M [ 77]: 118 6. 62% P [ 80]: 112 6. 29% C [ 67]: 101 5. 67% R [ 82]: 91 5. 11% B [ 66]: 87 4. 88% N [ 78]: 75 4. 21% V [ 86]: 67 3. 76% MTN = and JPX = the Space e n t a h d

Stage 1 - Frequencies and Cribs Bn the Ra. Le ho. Ur Aa. Le ICVth IBn. We. VR CI a Lan'R hand, and YVCte CDe. V a. Wa. Bn. Rt the Aand. Ge. Rt. BAH UQCn the QGa. Rte. V CI the Ya. GG CI the HBn. W'R Qa. Ga. Ae; and the HBn. W Ra. Y the Qa. Vt CI the hand that YVCte. then the HEn. W'R ACUntenan. Ae Ya. R Ahan. Wed , and h. BR th. CUWht. R t. VCUFGed hi. L, RC that the SCBnt. R CI h. BR GCBn. R Ye. Ve GCCRed, and h. BR Hnee. R RLCte Cne a. Wa. Bn. Rt an. Cthe. V. the HBn. W AVBed a. GCUd t. C FVBn. W Bn the a. Rt. VCGCWe. VR, the Aha. Gdean. R, and the RCCth. Ra. Ee. VR. and the HBn. W RQa. He, and Ra. Bd t. C the YBRe Len CI Fa. FEGCn, Yh. CRCe. De. V Rha. GG Vead th. BR YVBt. Bn. W, and Rh. CY Le the Bnte. VQVetat. BCn the. Ve. CI, Rha. GG Fe AGCthed YBth RAa. VGet, and ha. De a Aha. Bn CI WCGd a. FCUt h. BR ne. AH, and Rha. GG Fe th. BVd VUGe. V Bn the HBn. Wd. CL. then Aa. Le Bn a. GG the HBn. W'R YBRe Len; FUt the. E ACUGd n. Ct Vead the YVBt. Bn. W, n. CV La. He Hn. CYn t. C the HBn. W the Bnte. VQVetat. BCn the. Ve. CI. then Ya. R HBn. W Fe. GRha. OOa. V WVeat. GE t. VCUFGed , and h. BR ACUntenan. Ae Ya. R Ahan. Wed Bn h. BL, and h. BR GCVd. R Ye. Ve a. Rt. Cn. BRhed. n. CY the KUeen, FE Vea. RCn CI the YCVd. R CI the HBn. W and h. BR GCVd. R, Aa. Le Bnt. C the Fan. KUet h. CURe; and the KUeen RQa. He and Ra. Bd, C HBn. W, GBDe ICVe. De. V; Get n. Ct th. E th. CUWht. R t. VCUFGe thee , n. CV Get th. E ACUntenan. Ae Fe Ahan. Wed; the. Ve BR a Lan Bn th. E HBn. Wd. CL, Bn Yh. CL BR the RQBVBt CI the h. CGE WCd. R; and Bn the da. ER CI th. E Iathe. V GBWht and Unde. VRtand. Bn. W and YBRd. CL, GBHe the YBRd. CL CI the WCd. R, Ya. R ICUnd Bn h. BL; Yh. CL the HBn. W ne. FUAhadne. OOa. V th. E Iathe. V , the HBn. W, B Ra. E, th. E Iathe. V, Lade La. Rte. V CI the La. WBABan. R, a. Rt. VCGCWe. VR, Aha. Gdean. R, and RCCth. Ra. Ee. VR; ICVa. RLUAh a. R an e. ZAe. GGent RQBVBt, and Hn. CYGed. We, and Unde. VRtand. Bn. W, Bnte. VQVet. Bn. W CI d. Vea. LR, and Rh. CYBn. W CI ha. Vd Renten. Ae. R, and d. BRRCGDBn. W CI d. CUFt. R, Ye. Ve ICUnd Bn the Ra. Le dan. Be. G, Yh. CL the HBn. W na. Led Fe. Gte. Rha. OOa. V ; n. CY Get dan. Be. G Fe Aa. GGed, and he YBGG Rh. CY the Bnte. VQVetat. BCn. the IBVRt ACde. YCVd BR Cthe. GGC. Take some more C R B V 5. 67% 5. 11% 4. 88% 3. 76% o s i r

Stage 1 - Frequencies and Cribs in the sa. Le ho. Ur Aa. Le Iorth Iin. Wers o. I a Lan's hand, and Yrote o. Der a. Wainst the Aand. Gesti. AH UQon the QGaster o. I the Ya. GG o. I the Hin. W's Qa. Ga. Ae; and the Hin. W sa. Y the Qart o. I the hand that Yrote. then the HEn. W's Ao. Untenan. Ae Yas Ahan. Wed , and his tho. UWhts tro. UFGed hi. L, so that the Soints o. I his Goins Yere Goosed, and his Hnees s. Lote one a. Wainst another. the Hin. W Aried a. Go. Ud to Frin. W in the astro. Go. Wers, the Aha. Gdeans, and the soothsa. Eers. and the Hin. W s. Qa. He, and said to the Yise Len o. I Fa. FEGon, Yhosoe. Der sha. GG read this Yritin. W, and sho. Y Le the inter. Qretation thereo. I, sha. GG Fe AGothed Yith s. Aar. Get, and ha. De a Ahain o. I Wo. Gd a. Fo. Ut his ne. AH, and sha. GG Fe third r. UGer in the Hin. Wdo. L. then Aa. Le in a. GG the Hin. W's Yise Len; FUt the. E Ao. UGd not read the Yritin. W, nor La. He Hno. Yn to the Hin. W the inter. Qretation thereo. I. then Yas Hin. W Fe. Gsha. OOar Wreat. GE tro. UFGed , and his Ao. Untenan. Ae Yas Ahan. Wed in hi. L, and his Gords Yere astonished. no. Y the KUeen, FE reason o. I the Yords o. I the Hin. W and his Gords, Aa. Le into the Fan. KUet ho. Use; and the KUeen s. Qa. He and said, o Hin. W, Gi. De Iore. Der; Get not th. E tho. UWhts tro. UFGe thee, nor Get th. E Ao. Untenan. Ae Fe Ahan. Wed; there is a Lan in th. E Hin. Wdo. L, in Yho. L is the s. Qirit o. I the ho. GE Wods; and in the da. Es o. I th. E Iather Gi. Wht and Understandin. W and Yisdo. L, Gi. He the Yisdo. L o. I the Wods, Yas Io. Und in hi. L; Yho. L the Hin. W ne. FUAhadne. OOar th. E Iather , the Hin. W, i sa. E, th. E Iather, Lade Laster o. I the La. Wi. Aians, astro. Go. Wers, Aha. Gdeans, and soothsa. Eers; Ioras. LUAh as an e. ZAe. GGent s. Qirit, and Hno. YGed. We, and Understandin. W, inter. Qretin. W o. I drea. Ls, and sho. Yin. W o. I hard senten. Aes, and disso. GDin. W o. I do. UFts, Yere Io. Und in the sa. Le danie. G, Yho. L the Hin. W na. Led Fe. Gtesha. OOar ; no. Y Get danie. G Fe Aa. GGed, and he Yi. GG sho. Y the inter. Qretation. the Iirst Aode. Yord is othe. GGo. Finish it up G W Y A I L U H F E Q O D K 2. 97% 2. 30% 1. 80% 1. 68% 1. 57% 1. 40% 1. 35% 1. 01% 0. 95% 0. 67% 0. 34% 0. 17% l g w c f m u k b y p z v q

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 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 e. Zcellent 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 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 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.

Othello Caesar Encryption ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQR èShift =7 èsmarttrust -> ZTHYAAYBZA

Othello Stage 2 - 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' <stage 2. txt l=. $l done

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

Othello Neutron 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".

Othello Neutron Stage 3 - Subst w/ Homophones 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 X Q I F T U * V S E P C Z Y W L K B J G M R D O N H A [ [ [ [ [ [ [ 88]: 207 81]: 103 73]: 89 70]: 79 84]: 72 85]: 70 42]: 62 86]: 56 83]: 42 69]: 42 80]: 35 67]: 30 90]: 30 89]: 30 87]: 26 76]: 22 10]: 21 75]: 19 66]: 19 74]: 16 71]: 14 77]: 13 82]: 11 68]: 10 79]: 8 78]: 7 72]: 6 65]: 4 18. 11% 9. 01% 7. 79% 6. 91% 6. 30% 6. 12% 5. 42% 4. 90% 3. 67% 3. 06% 2. 62% 2. 27% 1. 92% 1. 84% 1. 66% 1. 40% 1. 22% 1. 14% 0. 96% 0. 87% 0. 70% 0. 61% 0. 52% 0. 35%

Othello Neutron Stage 3 - CT IXDVMUFXLFEEFXSOQXYQVXSQTUIXWF*FMXYQVFJ Does X start a digram? What does * do? Are Trigrams used?

Othello Neutron Where is the Magic? Stage 3 - CT These characters behave weird: IXDVMUFXLFEEFXSOQXYQVXSQTUIXWF*FMXYQVFJ*FXEFQUQXJFPTUFX MX*ISSFLQTUQXMXRPQEUMXUMTUIXYFSSFI*MXKFJF*FMXLQXTIEUVFX EQTEFXSOQXLQ*XVFWMTQTUQXTITXKIJ*FMUQXTQJMVX*QEYQVFQTHMX LFVQUVIXM*XEI*XLQ*XWITLIXEQTHGXJQTUQXSITEFLQVGUQX*GXKIE LFVQUVIXM*XEI*XLQ* XWITLIXEQTHGXJQTUQXSITEFLQVGUQX*GXKIE UVGXEQWQTHGXDGUFXTITXDIEUQXGXKFKQVXSIWQXAVPUFXWGXYQVXEQ JPFVXKFVUPUQXQXSGTIESQTHGX*FXWFQFXSIWYGJTFXDQSFIXEFXGJP UFXSITXRPQEUGXIVGHFITXYFSSFI*CXC*XSCWWFTIXSOQXCXYQTCXYI 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 SNTUIXUVQXKI*UQXF*XDQXJFVBVXSITXUPUUQX*BSRPQXBX*BXRPBVU BX*QKBVX*BXYIYYBXFTXEPEIXQX*BXYVIVBXFVQXFTXJFPXSIWB*UVP FXYFBSRPQFTDFTXSOQX*XWBVXDPXEIYVBXTIFXVFSOFPEIXX*BXYBVI *BXFTXSILFSQXQXQRPBUIV Replace M, G, C, Z, N and B with M Assume that X is ‘space’ M G C Z N B

Othello Neutron Stage 3 - Substitute 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 Only 22 letters are used èTry Italian M Q I F T U * V E S P Y W L K J R D O N H A [ [ [ [ [ [ 77]: 106 81]: 103 73]: 89 70]: 79 84]: 72 85]: 70 42]: 62 86]: 56 69]: 42 83]: 42 80]: 35 89]: 30 87]: 26 76]: 22 75]: 19 74]: 16 82]: 11 68]: 10 79]: 8 78]: 7 72]: 6 65]: 4 Replace: M-> a Q-> e I-> o F-> i T->n 9. 45% 9. 18% 7. 93% 7. 04% 6. 42% 6. 24% 5. 53% 4. 99% 3. 74% 3. 12% 2. 67% 2. 32% 1. 96% 1. 69% 1. 43% 0. 98% 0. 89% 0. 71% 0. 62% 0. 53% 0. 36%

Othello Neutron Stage 3 - CT o_DVa. Ui_Li. EEi_SOe_Ye. V_Sen. Uo_Wi*ia_Ye. Vi. J*i_Eie. Ue_Ji. Pn. Ui_a_*o. SSi O frati dissi che per cento milia perigli siete giunti a loccidente aquesta tanto picciola vigilia de nostri sensi che Len. Ue_a_RPe. EUa_Uan. Uo_Yi. SSio*a_Ki. Ji*ia_Le_no. EUVi_Een. Ei_SOe_Le*_ del rimanente nonvogliate negar lesperienza di retro al sol Vi. Wanen. Ue_non_Ko. J*ia. Ue_ne. Ja. V_*e. EYe. Vien. Ha_Li. Ve. UVo_a*_Eo*_Le*_Wo del mondo senza gente considerate la vostra semenza fati non n. Lo_Een. Ha_Jen. Ue_Son. Ei. Le. Va. Ue_*a_Ko. EUVa_Ee. Wen. Ha_Da. Ui_non_Do. EUe_a foste a viver come bruti ma perseguir virtute e canoscenza li _Ki. Ke. V_So. We_AVPUi_Wa_Ye. V_Ee. JPi. V_Ki. VUPUe_e_Sano. ESen. Ha_*i_Wiei_S miei compagni fecio si aguti con questaorazion picciola al o. WYa. Jni_De. Sio_Ei_a. JPUi_Son_RPe. EUa_o. Va. Hion_Yi. SSio*a_a*_Sa. WWino_ cammino che a pena poscia li avrei ritenuti e volta nostra SOe_a_Yena_Yo. ESia_*i_a. KVei_Vi. Uen. PUi_e_Ko*Ua_no. EUVa_Yo. YYa_ne*_W poppa nel mattino dei remi facemmo ali al folle volo sempre a. UUino_Lei_Ve. Wi_Da. Se. WWo_a*i_a*_Do**e_Ko*o_Ee. WYVe_a. SRPi. EUan. Lo_L acquistando dal lato mancino tutte le stelle gia de laltro a*_*a. Uo_Wan. Sino_UPUUe_*e_EUe**e_Jia_Le_*a*UVo_Yo*o_Ke. Lea_*a_no polo vedea la notte e l nostro tanto basso che non surgea UUe_e_*_no. EUVo_Uan. Uo_Aa. EEo_SOe_non_EPVJea_DPo. V_Le*_Wa. Vin_EPo*o fuor del marin suolo cinque volte racceso e tanto casso lo _Sin. RPe_Ko*Ue_Va. SSe. Eo_e_Uan. Uo_Sa. EEo_*o_*PWe_e. Va_Li_Eo. UUo_La_*a lume era di sotto da la luna poi che ntrati eravam ne lalto _*Pna_Yoi_SOe_n. UVa. Ui_e. Va. Ka. W_ne_*a*Uo_Ya. EEo. RPan. Lo_na. YYa. VKe_Pna_ passo quando napparve una montagna bruna per la distanza e Won. Ua. Jna_AVPna_Ye. V_*a_Li. EUan. Ha_e_Ya. VKe. Wi_a*Ua_Uan. Uo_RPan. Uo_Ke. L parvemi alta tanto quanto veduta non avea alcuna noi ci PUa_non_a. Kea_a*SPna_noi_Si_a**e. JVNWWo_e_Uo. EUo_Uo. Vno_in_Yi. Nn. Uo_ allegrammo e tosto torno in pianto che de la nova terraun SOe_Le_*N_no. KN_Ue. VVN_Pn_UPVAo_n. NSRPe_e_Ye. VSo. EEe_Le*_*e. Jno_i*_Y turbo nacque e percosse del legno il primo canto tre volte Vi. Wo_SNn. Uo_UVe_Ko*Ue_i*_De_Ji. Va. V_Son_UPUUe_*a. SRPe_a_*a_RPa. VUa_ il fegirar con tutte l'acque; a la quarta levar la poppa *e. Ka. V_*a_Yo. YYa_in_EPEo_e_*a_YVo. Va_i. Ve_in_Ji. P_So. Wa*UVPi_Yia. SRPe incsuso e la proraire in giu comaltrui piacque infin che 'l in. Din_SOe_*_Wa. V_DP_Eo. YVa_noi_Vi. SOi. PEo__*a_Ya. Vo*a_in_So. Li. Se_e_e RPa. Uo. V sopra noi richiuso La parola in codice e equator. mar fu

Othello Neutron 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.

Othello Neutron Equator Stage 4 - Vigenere 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 ABCDEFGHIJKLMNOPQRSTUVWXYZA CDEFGHIJKLMNOPQRSTUVWXYZABC EFGHIJKLMNOPQRSTUVWXYZABCDE GHIJKLMNOPQRSTUVWXYZABCDEFG IJKLMNOPQRSTUVWXYZABCDEFGHI KLMNOPQRSTUVWXYZABCDEFGHIJK MNOPQRSTUVWXYZABCDEFGHIJKLM OPQRSTUVWXYZABCDEFGHIJKLMNO QRSTUVWXYZABCDEFGHIJKLMNOPQ STUVWXYZABCDEFGHIJKLMNOPQRS UVWXYZABCDEFGHIJKLMNOPQRSTU WXYZABCDEFGHIJKLMNOPQRSTUVW YZABCDEFGHIJKLMNOPQRSTUVWXY Pick a codeword BAD Rotate the alphabets SMARTTRUST BADBADBADB TMD TM T TMDQTWSUVU TMDQTWSUV TMDQTWSU TMDQTWS TMDQTW TMDQT TMDQ

Othello Neutron Equator Stage 4 - CT KQOWEFVJPUJUUNUKGLMEKJINMWUXFQMKJB GWRLFNFGHUDWUUMBSVLPSNCMUEKQCTESWR EEKOYSSIWCTUAXYOTAPXPLWPNTCGOJBGFQ HTDWXIZAYGFFNSXCSEYNCTSSPNTUJNYTGG WZGRWUUNEJUUQEAPYMEKQHUIDUXFPGUYTS MTFFSHNUOCZGMRUWEYTRGKMEEDCTVRECFB DJQCUSWVBPNLGOYLSKMTEFVJJTWWMFMWPN MEMTMHRSPXFSSKFFSTNUOCZGMDOEOYEEKC PJRGPMURSKHFRSEIUEVGOYCWXIZAYGOSAA NYDOEOYJLWUNHAMEBFELXYVLWNOJNSIOFR WUCCESWKVIDGMUCGOCRUWGNMAAFFVNSIUD EKQHCEUCPFCMPVSUDGAVEMNYMAMVLFMAOY FNTQCUAFVFJNXKLNEIWCWODCCULWRIFTWG MUSWOVMATNYBUHTCOCWFYTNMGYTQMKBBNL GFBTWOJFTWGNTEJKNEEDCLDHWTVBUVGFBI JGYYIDGMVRDGMPLSWGJLAGOEEKJOFEKNYN OLRIVRWVUHEIWUURWGMUTJCDBNKGMBIDGM EEYGUOTDGGQEUJYOTVGGBRUJYS

Othello Neutron Equator Stage 4 - Automated Solution multivac>. /stage 4 Key word length 1, mean Key word length 2, mean Key word length 3, mean Key word length 4, mean Key word length 5, mean Key word length 6, mean Key word length 7, mean Using length=5 Assuming shift[0] is 0. Choosing shift[1]=10. Choosing shift[2]=2. Choosing shift[3]=9. Choosing shift[4]=8. variance=0. 007703. variance=0. 020417. variance=0. 031879. variance=0. 054263. variance=0. 269488. variance=0. 100981. variance=0. 131559. Printing beginning of clear text assuming shift[0]=0. . 25:

Othello Neutron 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

Othello Neutron Equator Stage 4 - Automated Solution The key is SCUBA. Clear text: SOUVENTPOURSAMUSERLESHOMMESDEQUIPAGEPRENNENTDESALBATROSVA STESOISEAUXDESMERSQUISUIVENTINDOLENTSCOMPAGNONSDEVOYAGELE NAVIREGLISSANTSURLESGOUFFRESAMERSAPEINELESONTILSDEPOSESSU RLESPLANCHESQUECESROISDELAZURMALADROITSETHONTEUXLAISSENTP ITEUSEMENTLEURSGRANDESAILESBLANCHESCOMMEDESAVIRONSTRAINER ACOTEDEUXCEVOYAGEURAILECOMMEILESTGAUCHEETVEULELUINAGUERES IBEAUQUILESTCOMIQUEETLAIDLUNAGACESONBECAVECUNBRULEGUEULEL AUTREMIMEENBOITANTLINFIRMEQUIVOLAITLEPOETEESTSEMBLABLEAUP RINCEDESNUEESQUIHANTELATEMPETEETSERITDELARCHERBAUDELAIREE XILESURLESOLAUMILIEUDESHUEESLEMOTPOURETAGEQUATREESTTRAJAN SESAILESDEGEANTLEMPECHENTDEMARCHER

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

Othello Neutron 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

Othello Neutron Equator Trajan Stage 5 Cubem autem in duos cubos , aut quadratoquodratum in duos quadratos , et generaliter nullam in infinitum ultra quadratum potestatem in duos eiusdem nominis fas est dividere. Cuius rei demonstrationem mirabilem sane detexi hanc marginis exiguitas non careret. 10 22 64 66 25 77 43 47

Othello Neutron Equator Trajan Illiad Stage 5 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

Othello Neutron 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

Othello Neutron Equator Trajan Illiad Stage 6 - Cryptotext OCOYFOLBVNPIASAKOPVYGESKOVMUFGUWMLNOOEDRNCFORSOCVMTUUTY ERPFOLBVNPIASAKOPVIVKYEOCNKOCCARICVVLTSOCOYTRFDVCVOOUEG KPVOOYVKTHZSCVMBTWTRHPNKLRCUEGMSLNVLZSCANSCKOPORMZCKIZU SLCCVFDLVORTHZSCLEGUXMIFOLBIMVIVKIUAYVUUFVWVCCBOVOVPFRH CACSFGEOLCKMOCGEUMOHUEBRLXRHEMHPBMPLTVOEDRNCFORSGISTHOG ILCVAIOAMVZIRRLNIIWUSGEWSRHCAUGIMFORSKVZMGCLBCGDRNKCVCP YUXLOKFYFOLBVCCKDOKUUHAVOCOCLCIUSYCRGUFHBEVKROICSVPFTUQ UMKIGPECEMGCGPGGMOQUSYEFVGFHRALAUQOLEVKROEOKMUQIRXCCBCV MAODCLANOYNKBMVSMVCNVROEDRNCGESKYSYSLUUXNKGEGMZGRSONLCV AGEBGLBIMORDPROCKINANKVCNFOLBCEUMNKPTVKTCGEFHOKPDULXSUE OPCLANOYNKVKBUOYODORSNXLCKMGLVCVGRMNOPOYOFOCVKVWOFC LANYEFVUAVNRPNCWMIPORDGLOSHIMOCNMLCCVGRMNOPOYHXAIFOOUEP GCHK

Othello Neutron Equator Trajan Illiad Stage 6 - Key Grid Kevin Hector Brian Clough THISSTAGEISNUMBERSIXANDITISAPLAYFAIRCIPHERSTOPTHEFOLLOW THIS STAGE IS NUMBER SIX AND IT IS A PLAYFAIR CIPHER STOP THE FOLLOW INGSTAGEISNUMBERSEVENWITHINTHECONTEXTOFTHISCOMPETITIONA STAGE IS NUMBER SEVEN WITHIN THE CONTEXT OF THIS COMPETITION A NDITISENCRYPTEDACXCORDINGTOANADFGVXTYPECIPHERSTOPWHENYO ND IT IS ENCRYPTED ACXCORDING TO AN ADFGVX TYPE CIPHER STOP WHEN YO UATTEMPTXTOCRYPTANALYSESTAGESEVENYOUWILLSEXETHATITISMOR U ATTEMPT XTO CRYPTANALYSE STAGE SEVEN YOU WILL SEXE THAT IT IS MOR ECOMPLICATEDTHANASTRAIGHTFORWARDADFGVXCIPHERSTOPUNFORTU E COMPLICATED THAN A STRAIGHTFORWARD ADFGVX CIPHER STOP UNFORTU NATELYICANXNOTGIVEYOUANYMORECLUESSTOPNEWPARAGRAPHINTERM NATELY I CAN XNOT GIVE YOU ANY MORE CLUES STOP NEWPARAGRAPH IN TERM SOFTHISXSTAGETHESHIBBOLETHTHATYOUSHOULDTAKENOTEOFISMOLY S OF THIS XSTAGE THE SHIBBOLETH THAT YOU SHOULD TAKE NOTE OF IS MOLY BDENUMNEWPARAGRAPHYOUWILXLPROBABLYHAVENOTICEDBYNOWTHATE BDENUM NEWPARAGRAPH YOU WILXL PROBABLY HAVE NOTICED BY NOW THAT E ACHSTAGEISINADIFFERENTCIPHERANDISUSUALLYINANAPPROPRIATE STAGE IS IN A DIFFERENT CIPHER AND IS USUALLY IN AN APPROPRIATE LANGUAGESTOPSOTHEVIGENERESTAGEWASINFRENCHANDTHISPLAYFAI LANGUAGE STOP SO THE VIGENERE STAGE WAS IN FRENCH AND THIS PLAYFAI RSTAGEISINENGLISHSTOPIFTHEPATXTERNPERSISTSTHENEXTST R STAGE IS IN ENGLISH STOP IF THE PATXTERN PERSISTS THEN THE NEXT ST AGEWILXLBEINGERMANSTOPBUTDOESTHEPATTERNPERSISTQUESTIONM WILXL BE IN GERMAN STOP BUT DOES THE PATTERN PERSIST QUESTIONM ARKQ

Othello Neutron 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?

Othello Neutron 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 VF VG AD DV DF GD

Othello Neutron Equator Trajan Illiad Molybdenum Stage 7 - ADFGVX Step 2: Type in the text in a code word matrix W I 4: Read out from the columns. VF VF VG AD DV DF GD L D Step VG FA FD VF FD AFFGVDGDDFDFFVVVDGVFFVAD 3: Sort the columns V G F A Step D I L W F D V F A G F V V F V G F D V F A D D V F D F G D G F V V V D D A D F G D

Othello Neutron Equator Trajan Illiad Molybdenum Stage 7 - Cryptotext MCCMMCTRUOUUUREPUCCTCTPCCCCUUPCMMPRTCCRUPECCMUUPCMPEPPUPURUPPMEUPUCEUUCUCCCMEMTUPETPCMRCMCCUCCMPECRTMRUPMPMRCPMMCRUMCUUEURPPCMOUUEUCCMUMTUCUCUTMUUUPMUUCTCUP MMCCRPPPPMMMMEEUMRCCCPUUEUPMUMMCCPECUCUPCTCUEPMPCUUEEUUUTPMMUCCTCCPPPCTPUCUCCCUREUTUCMEPCCEMUUUPRMMTMUCMMMCCCCCCMEPUECUMRERUUUUMURCCPMUURUUPMUPRPPUUUUMRCCPC PEURMMMPUTCRUUEOUUUMCMUURUPURUCMUCRUMMCUPUUMUCREUUUPCCURRCPRMCTRCUUURCTPPMUUCCUUUUMUUEPCRMEPMPUUCCCUMMUUMCUCMCCCRTCCMEEUPTMUUMMMCCPPTMCPTEOUUUMUUCRMCCCMCPRC RCEPMCMCPUUCMCCOMTPRCMCPCPMCPCERRECCRRECRUPUEEPMUMTCUCEUUTPCEUMRCUUURRUCRUUCRPPTTCPCPCUCUMUMPECEERPMRMMURUMEPMRMMCPRUCRCPEERPUUUUREPCCMMEPPPRCCUMPCCCMMEEUUP PERUECPUEMUCCUUCPUEPUCMCMCUUCMMMCUPCCMMUUUCUOPUCUPMPUECCEUPMCEPRCTRMCCUUTECECCRMUCURUCMUCRCMPCCUORUCTUCCMCUCMUMMTRUMCMMCPUUMUPCCMPCUUEPCTECTUUTCEEMTUCTEPPRU UMUUECMUMRUEPCUMPPOURUCCUPUCUCUEPCMMECCUCECPPCCCCOCRCRCRTUCPPTPUOCUORUCCCEUCPPMRRCEUUURURCCMTPPURPPCTRRTRUUPMTMUUETRPROEMPTPTEPRERPTRUUUMTRUMTPPPRUUPEOUTPTR OMUUERMMEPUTTOTOOMTPRMPPTMREURRUPMTRPPREMUPRTRMMEOUMMUPUUOUMEMOMECPEUUUUCRUTTTRTUPTTPEREMUUREEPETRMPTRUUUOTRUUOOTTTOTTETETOUPOMTUUOUTOEETPTEMUUTURCUOPTRPOTE EMCOUUEPRMPTTTUPPRETTROEMUETPOPMTERTEUUUPUPUUEMMOTOUMORRCMUUUETUOTTEMTTCTMETEREUMUEETUMETPUTPUETTMPEERTCPTOUUTRERETUTRETRTRUTCMTCUUTPOMTTPTPTOUMEOTTRPEPUTTT RTTOUMUUTPEECTMPPMUECTRPUCTEUUETPTOTPMTMCPUEPPUPRMTPCRURPREMERTUEEROROTOMMRCUUEUTPTEPPEUUTPOTPPMEPEMTREEUTUUTOTPREEROPORRMUUTMPRTTMEEETERUTMTOOCPEPPMPMTPRRM EPREUMMPRTREEPUTTPECTURURCOPEEEOOUEMOMPTUECERMMMPPEPMUEMURTEUMRTTPUTCEROETMUUROTUTTRMUETETTRPROUTUUPREUTTRTPMTUPEEMETEPTOETUUTEPTMUUEEPPTPMUPTEPRMUTTPMUMMEC RETEPTRTURPMTOOUEEOTOURUURTUEUTPOMTPPUREOTCMCPRPROOEERUUEERUMUUUCPPCPUETERURPORPTPCTPERERMUTTREUPRTMECUREPPOUTMOTCTMPTPOEUUTOTPTOREUETURMETREPEEPRUCPEMMPTMU UTTEOERMURUURUTPTTECETORTMTMETTUEMUUCTOPEMUUEPUMCMUCMTPOUCECMTREMCPCMCTPMMPPCMUUUUCMCCCPTMMUCREUUCTRREUCURECPMRCECUCEUCCPMCTTPCREURMUTUPMPPMMCUTMCMCCEUUCTUP UUUUURCUMEPOTUUUCTEPCCPMCCTPCPUMERUCUMEMMRMUPCMUUCUCRUUUUCPCUPCECMCUUPOPCUUUUCUTTCPCMCUUCCEPUUPCMPUCMMMPUUUEPMPPECRCMPRECRRUMCUECPUPUCEMPMUCRTUTUCRCCUPUUCUM MPUUUUECUUCCECPPPRRMCMMECCRMMRCCECTURMCECCCPMMMRPECUUUCPPMMECCMMRRCMUCMRCPCUCMUCCCPCTRCUUEUCCMTEMCRCPECCUUCUUCPETPCCPPTUMPCMPCMCEUCCCPCUCTCCCMTUMPTUMEUCPPMU MPMMREMCUMMMERUCUCCMPUUEUCPCEPPRUUCCUCTPUETERCMMMURUUPURPUEEMUMUMRCUUCRMRCPTEMECMMUCUCUUPPETTTMPCPMMUEMPPCUTPMCMUUPUCCPMPRCMCRPUPMEMUUURCOCPCUEPMRCPTMMMMCCE CUMCUUCECPPUCPMRMEPCUURUCUCPRTUERMCCRPMUURUUPMEUPCECPTRUTUMCECEPCUTCUCPEPCCUUETPPCPUUMCMMROUCCPUCPPEPMECRPCMCUMPUCUUUEMMCUTMCUMCUEUCMUCCTPUREUPPCOPMPMUUMMMU UETPUUUUUPPPPMUECERURPURTPMPPPMEMCTUPCMECPPCCEMURMPTUURCUEPCUECPUTCURUCPRUMTCOCCMPUCMEPEMPRUPPECCPCUUCCCEUMRUUEUUEUCPCPMPUCUMPPREUUUPEUPEUUCTPOTUPETUOE COTTEMOTEUTEUMUPMUTPOUPETERPUTPRUUUPOTTEPTRRMTCETOROPMTRETRCOETPROEEPTEPMMEUPEPEPUPUUREEPERTPEECEPORTUEMETTEPTERMMTTETTTPORUMPTTERPPUURMTTOMTMUMMUUTUOEPEUUO TCPEPTMRERURPETPPTTPCORPTTTMUTRUPPTERREURPRTRETTRCPRCUUMUPRUUUMTPRTRETTUUUOCUMUUUUMOTTPEMETTERPCTOETUURMEPEEORCPETMPPRUTTRUUETMOTMUUMTERUTOTCRPMURMUMRMPMOOM OUOTPOREMEMUPTORTRRPOOUTPPPEPMTPEOCTRRMETORTPEMMPEEETRUURURPPUPURTROUMTMRCUOTETRCRPEECPTEEUUEMTTPURUPEUOEUUMPEMUUTTEREUMERTTETTTMEUTMRTORMECUCUEUEPRUMTUUERM UTREUUPEEMEERCUUUTRMRTRMUUMMEPPTPRTEMTEMPEUETPOOOUUMOTOUTOOPEPRUURTTTMURTUTETPCOTEMTUOETRMTETEMMTUMOEEOOUMOPTPRUTMRMTRTPTUUEPUUPURROEUERUUOUPRTMETPEPPOTRMCM RUTTPUUEURTTEETETUUEUEETURRMEEMREURCTPEMUUREPRUEORURUUPTUMPEMTTPTUEMUPMORTOOOUTPPMUUPUPERERUUOUEETUPETETPTTTEMRUURTTTUTTMUPRPRRURUUTMTURTCUEEOMRRTETTMUTPPRP EPTREEOOTTETRETRUTPRUTMUUCTUUPUERUEEMMUEETTPETMUMETTETTPMREMRTPTETOURTPPOETTOMTPTETEUTPUCUMUCUOETUCPECUCMUPMUCUTTUCTUUMUCURPUCPMCUUMUCCEPCMMUCPTPUMUPUC MECMPUMPPMUEMPPEPUTEUMEPEPUPUURMTPEMRPMMPTPOPRCRUEPCMPPMRCCCPUCUPTUMUUPCPEMPTUUMCCCUPCCUTUUURCEMPEUCMRPPEPCCMMMUMPECMTRERPUMPCCPTUCMCOPCURUECMTECMMCCRPPEPUU CUTMUUUCCTMCMECPCUUUPUCUUUTCUCCPTUUCCMMPPREMCUURUUMUEUUPPUCRPMRUPCMUUECUUCCUURCERRCUCPMPUUMTUURCMPEMUUUUCTUMTTTCUMPUMCMRTUUUCPPMEPUCTOUPCMMCECUMCPECUPMTEPRU URURMPUPERCRUUCCCMPCUCMRMPMPEEPTPEMCURCPCPURUTEUUEUUUPTCUCCCEMMTUTREREMPRRMUCCRCUMUEPUPUEUEPMUTRUCCMUUCMMUUPMECMMEMUUUCMRPCMCUUCCETPCPRRMURRCTECMCMUUUUUUECU UCUUTEPMUURCCCUURCUCECPPUCMURCUUCRUCMCRCCCUCUMEMUUCPPPPRCRURUCMCPPCRMPUEPUMPOMUMMCUUUPCCCECTMRPUPMPOCCTPCMUUMCMCCTUCECUUMCCMCUERTTRCMMUMTCPERUUMMTRUEUMCMCCM CUUPMUCCTPUMCUUUUCPPUCETUPERTRUUUUMMCUMEEMCTCCPURRUURCPCUPCCUPMPMMURUUCCCEPRPUMMUTCMCMCCCUCPPCMEPCREMUURCTPEMCMCCPRUCCUUPCUUPUTRUEEUUUEUCRPMRUUUO CPOCRPCMECRCPCECUUECPPUMPPEPCPRMPEUCPTUEMTUTTEOPRUEPEPMTPUPTTRRERPUEMMOPMUPRUUUMEMPPPUTOUROPROPPMETPRMTUURPTPUUTOUUMTEPCOEMCUUTPUUPTOTUUTTUUURTPTRTTMOCTRUTR OTTROPTUMPPMURTEUMTPEUMCMPREPMREEEEUTTTEUUTMTPURUEUUMTUPPUTTREMTPTRRUTURTRUUTOTEROTMUUUTMUPTPUURTERUMMTMTTUPRPPPEMEPCMUMTRREMUCEUPPTTTTTPRUUURTEEPUPUTMMTUPM RUOPEUEETMMPEMTPECRETMEOUTMEEPREUMEMRTOTEMTOTPTECEPTUTREEEMPPTPEECPPTMUUTMUMPRMEREUUPTOEOPUEPTRTTEPMOUMPEUTMTTMUUUTTPTERMTRRUURUUEURTEEMUTTEPOUUEMEEPCRURMET METOREUUOTRTPRTTEUMMTPMMRPEUURERTEOTUTRROTOTETTEOTUEUUETUETPMUOORTOUMCOTUECEUUREUUMTTERUOTTMTETTEOTUTEPTRCTUUPPERUTOUUEORMUEMPREMUUPOPMOUOOTECUOETUCMTTPTTUU RTTMMOPTPUCMTUUOMUMTTTORTUPETETROMTRETTUEUUTPPTMEUMURUUUURETUTRURRTTPPTTPOETEMUOTCOUEMTTMTUEUUPTUPUPTROTUEEROEROUEMCPTERCPPTMUUMTOMCEMUTPTTTOUTOEMTTPPCREPOT EPPERPOPPOTEUUUURPUUCPRPRMTREUUERMUCTOPTTUUTPMCTRMETEMMUOPTUUETPPMMRMTUPRMOUPRTEUUURMMCORTUMTOETMUPMUTTPUTTERMUUPCETMTUPTPPETRUTTPOTMECURCPUOPMTPMCMPEPC MMUORRMPCMMORCCUTCCOMCUUPRCPPPUCUUEUPRUPMCECTMCCUURPPMUUEUUUUCETUURCPUUREUCECUCCUECUUURCPPMCCCUPRMUCMUCPRUPPUOMPUUUCMUUCPMUCRCPMMTCMMUOMCMCCMUUPCCTURUEUUUCU MTUCCMMUCTCRRURUMRPRUCUCEMUCCUUUETUMCPCURPURCUUMUPPCEMPPPUUMPPCCPRRCECCRMCPPRCCRPPMUUURCMEPCPUCCCCUPRRUUPMCEMCUTMUCCMEPMMPPMUUCCEMPREUUTCPCUCMCCUCMRTPMPCUCP PMRCMPCPEMPPPMRUUCCUUPRCERTUUPCUMUPUMPCRCCEPCUCCPMTRPCPCUUCRPPRURCCMEUURUUMURPEMRUCCMMUCRMCTMRPRCUCMCUUCUMMUUUEMCTMCCMUCTCMUCMPMUTRURREOCUCRCUPUCMPCEUCCEUUE PUMPTCCEURCUUCPURCTPEUUMMUUUCCMMTUCRCRMRPOUCUCUPCMPCUCTPMMUPUCUMUMCUTPPMEUUUPUPCUUUUCMPUEMCUPCCRPPRUUMCCUCUPCPCPCCUUUCURCCPURCUTURECRUUCMTCCCMUCCPPPCMUCCUUU UUMMPUCRCUECCTPCPMEECMUUCCCUUMCPCCCUUCUPCUPUTCMMCUMMMUMMPTRMMPPPMRUUUCUURETUCPECRPURURCCCTPPMTPUPMPPMRMURPUPUUUUUEPUCMPRPPCCROUUECTUPCUPCCUUCPCPCMUECMUT UUPCUUTPPPCMMUPCCRUCERTUCTECMCUUECRPUMCUTCUECCUPCUCCPURPMMTUTPPOCURCPCPPMCMCCCPUPPMRUTERMOTUMUUEMRCUUTPUPPTTTMUOTTERPRETTRMTEMTEUUTTRPTTCUTMTUPMREUPMUEUUUUU PTETCPUCEECTERMMTMOTMPMETRPEROPEMEMMPRPTRUPTUOEUMPPURMUUEMMMPUCPUMUTMPEUUOPPUOMPTOTRRMTPCPPPREPEERMREMUTPOUEMPPEERRMTRTOMEPTEMUEPRTUROOTOMUPPEROTTPTTMPPTPCU UUMTTUREOPMTRETTMEEUUOPMERMPETEERMUTTMMPEPOETMETERUUOORMEMMTRUURUOPRUPRPPUUUEEETTTTPEURERRPUETRUUEOOOUETEUUMUTURUTRUUTOPOTUPMURUUERUUUPUOOTTTPMEUERTMOUMTPPP EOMTTUUUOEUUETURPUMTMMERRUUETOTPTTTRPTMPEEMTMEUUPOETTPPPRUTEECOUMEUUTTRTTRTTMEPPTRTPOUTRTTOPECRTPUTTCEMPTOMRETTTREUCOTOTRPRURPTUTEUUEPMEOTMMUUURRETM OUMMPCPETPTPRMTUPUETETEEMCCTERUROEEPRRRRTPTUUMTPEEMCUOUURECTUPPRTPPMTMUMCTTTPRREOUTPERUTMPURRUTUMOTTEETMTRMRTOMTRRRTOPTTERUOOMUTPRMMPRPUETMEUTTMPPRTPTPTTUUM RTETTRROTURUTRUUCMRCMTOCRUTPOTTPTMTEORRMRUEURRTTOURUPTUECTEOTMTPRTPUMMREEEPORPURPRUMEMOTTROPRUETTUETROMTOUEOPUTMTURPTPRRTMORETCTMTMUETTMRTTEORPCPPMMUMTTOUMT EUURTRTRMEMUUTMTUTRETPMTPPMM

Othello Neutron Equator Trajan Illiad Molybdenum Stage 7 - Divide in Columns There are 7048 characters in the text columns that 7048 = 8 * 881 is prime! We assume 8 Note MCCMMCTRUOUUUREPUCCTCTPCCCCUUPCMMPRTCCRUPECCMUUPCMPEPPUPURUPPMEUPUCEUUCUCCCMEMTUPETPCMRCMCCUCCMPECRTMRUPMPMRCPMMCRUMCUUEURPPCMOUUEUCCMUMTUCUCUTMUUUPMUUCTCUPMMCCRPPPPMM MMEEUMRCCCPUUEUPMUMMCCPECUCUPCTCUEPMPCUUEEUUUTPMMUCCTCCPPPCTPUCUCCCUREUTUCMEPCCEMUUUPRMMTMUCMMMCCCCCCMEPUECUMRERUUUUMURCCPMUURUUPMUPRPPUUUUMRCCPCPEURMMMPUTCRUUEOUUUMCM UURUPURUCMUCRUMMCUPUUMUCREUUUPCCURRCPRMCTRCUUURCTPPMUUCCUUUUMUUEPCRMEPMPUUCCCUMMUUMCUCMCCCRTCCMEEUPTMUUMMMCCPPTMCPTEOUUUMUUCRMCCCMCPRCRCEPMCMCPUUCMCCOMTPRCMCPCPMCPCERR ECCRRECRUPUEEPMUMTCUCEUUTPCEUMRCUUURRUCRUUCRPPTTCPCPCUCUMUMPECEERPMRMMURUMEPMRMMCPRUCRCPEERPUUUUREPCCMMEPPPRCCUMPCCCMMEEUUPPERUECPUEMUCCUUCPUEPUCMCMCUUCMMMCUPCCMMUUUCU OPUCUPMPUECCEUPMCEPRCTRMCCUUTECECCRMUCURUCMUCRCMPCCUORUCTUCCMCUCMUMMTRUMCMMCPUUMUPCCMPCUUEPCTECTUUTCEEMTUCTEPPRUUMUUECMUMRUEPCUMPPOURUCCUPUCUCUEPCMMECCUCECPPCCCCOCRCRC RTUCPPTPUOCUORUCCCEUCPPMRRCEUUURURCCMTPPURPPCT RRTRUUPMTMUUETRPROEMPTPTEPRERPTRUUUMTRUMTPPPRUUPEOUTPTROMUUERMMEPUTTOTOOMTPRMPPTMREURRUPMTRPPREMUPRTRMMEOUMMUPUUOUMEMOMEC PEUUUUCRUTTTRTUPTTPEREMUUREEPETRMPTRUUUOTRUUOOTTTOTTETETOUPOMTUUOUTOEETPTEMUUTURCUOPTRPOTEEMCOUUEPRMPTTTUPPRETTROEMUETPOPMTERTEUUUPUPUUEMMOTOUMORRCMUUUETUOTTEMTTCTMETE REUMUEETUMETPUTPUETTMPEERTCPTOUUTRERETUTRETRTRUTCMTCUUTPOMTTPTPTOUMEOTTRPEPUTTTRTTOUMUUTPEECTMPPMUECTRPUCTEUUETPTOTPMTMCPUEPPUPRMTPCRURPREMERTUEEROROTOMMRCUUEUTPTEPPEU UTPOTPPMEPEMTREEUTUUTOTPREEROPORRMUUTMPRTTMEEETERUTMTOOCPEPPMPMTPRRMEPREUMMPRTREEPUTTPECTURURCOPEEEOOUEMOMPTUECERMMMPPEPMUEMURTEUMRTTPUTCEROETMUUROTUTTRMUETETTRPROUTUU PREUTTRTPMTUPEEMETEPTOETUUTEPTMUUEEPPTPMUPTEPRMUTTPMUMMECRETEPTRTURPMTOOUEEOTOURUURTUEUTPOMTPPUREOTCMCPRPROOEERUUEERUMUUUCPPCPUETERURPORPTPCTPERERMUTTREUPRTMECUREPPOUT MOTCTMPTPOEUUTOTPTOREUETURMETREPEEPRUCPEMMPTMUUTTEOERMURUURUTPTTECETORTMTMETTUEMUUCTOPEMUUEP UMCMUCMTPOUCECMTREMCPCMCTPMMPPCMUUUUCMCCCPTMMUCREUUCTRREUCURECPMRCECUCEUCCP MCTTPCREURMUTUPMPPMMCUTMCMCCEUUCTUPUUUUURCUMEPOTUUUCTEPCCPMCCTPCPUMERUCUMEMMRMUPCMUUCUCRUUUUCPCUPCECMCUUPOPCUUUUCUTTCPCMCUUCCEPUUPCMPUCMMMPUUUEPMPPECRCMPRECRRUMCUECPUP UCEMPMUCRTUTUCRCCUPUUCUMMPUUUUECUUCCECPPPRRMCMMECCRMMRCCECTURMCECCCPMMMRPECUUUCPPMMECCMMRRCMUCMRCPCUCMUCCCPCTRCUUEUCCMTEMCRCPECCUUCUUCPETPCCPPTUMPCMPCMCEUCCCPCUCTCCCMT UMPTUMEUCPPMUMPMMREMCUMMMERUCUCCMPUUEUCPCEPPRUUCCUCTPUETERCMMMURUUPURPUEEMUMUMRCUUCRMRCPTEMECMMUCUCUUPPETTTMPCPMMUEMPPCUTPMCMUUPUCCPMPRCMCRPUPMEMUUURCOCPCUEPMRCPTMMMMC CECUMCUUCECPPUCPMRMEPCUURUCUCPRTUERMCCRPMUURUUPMEUPCECPTRUTUMCECEPCUTCUCPEPCCUUETPPCPUUMCMMROUCCPUCPPEPMECRPCMCUMPUCUUUEMMCUTMCUMCUEUCMUCCTPUREUPPCOPMPMUUMMMUUETPUUUUU PPPPMUECERURPURTPMPPPMEMCTUPCMECPPCCEMURMPTUURCUEPCUECPUTCURUCPRUMTCOCCMPUCMEPEMPRUPPECCPCUUCCCEUMRUUEUUEUCPCPMPUCUMPPREUUUPEUPEUUCTP OTUPETUOECOTTEMOTEUTEUMUPMUTP OUPETERPUTPRUUUPOTTEPTRRMTCETOROPMTRETRCOETPROEEPTEPMMEUPEPEPUPUUREEPERTPEECEPORTUEMETTEPTERMMTTETTTPORUMPTTERPPUURMTTOMTMUMMUUTUOEPEUUOTCPEPTMRERURPETPPTTPCORPTTTMUTR UPPTERREURPRTRETTRCPRCUUMUPRUUUMTPRTRETTUUUOCUMUUUUMOTTPEMETTERPCTOETUURMEPEEORCPETMPPRUTTRUUETMOTMUUMTERUTOTCRPMURMUMRMPMOOMOUOTPOREMEMUPTORTRRPOOUTPPPEPMTPEOCTRRMETO RTPEMMPEEETRUURURPPUPURTROUMTMRCUOTETRCRPEECPTEEUUEMTTPURUPEUOEUUMPEMUUTTEREUMERTTETTTMEUTMRTORMECUCUEUEPRUMTUUERMUTREUUPEEMEERCUUUTRMRTRMUUMMEPPTPRTEMTEMPEUETPOOOUUMO TOUTOOPEPRUURTTTMURTUTETPCOTEMTUOETRMTETEMMTUMOEEOOUMOPTPRUTMRMTRTPTUUEPUUPURROEUERUUOUPRTMETPEPPOTRMCMRUTTPUUEURTTEETETUUEUEETURRMEEMREURCTPEMUUREPRUEORURUUPTUMPEMTTP TUEMUPMORTOOOUTPPMUUPUPERERUUOUEETUPETETPTTTEMRUURTTTUTTMUPRPRRURUUTMTURTCUEEOMRRTETTMUTPPRPEPTREEOOTTETRETRUTPRUTMUUCTUUPUERUEEMMUEETTPETMUMETTETTPMREMRTPTETOURT PPOETTOMTPTETEUTP UCUMUCUOETUCPECUCMUPMUCUTTUCTUUMUCURPUCPMCUUMUCCEPCMMUCPTPUMUPUCMECMPUMPPMUEMPPEPUTEUMEPEPUPUURMTPEMRPMMPTPOPRCRUEPCMPPMRCCCPUCUPTUMUUPCPEMPTUUMCCCUPC CUTUUURCEMPEUCMRPPEPCCMMMUMPECMTRERPUMPCCPTUCMCOPCURUECMTECMMCCRPPEPUUCUTMUUUCCTMCMECPCUUUPUCUUUTCUCCPTUUCCMMPPREMCUURUUMUEUUPPUCRPMRUPCMUUECUUCCUURCERRCUCPMPUUMTUURCM PEMUUUUCTUMTTTCUMPUMCMRTUUUCPPMEPUCTOUPCMMCECUMCPECUPMTEPRUURURMPUPERCRUUCCCMPCUCMRMPMPEEPTPEMCURCPCPURUTEUUEUUUPTCUCCCEMMTUTREREMPRRMUCCRCUMUEPUPUEUEPMUTRUCCMUUCMMUUP MECMMEMUUUCMRPCMCUUCCETPCPRRMURRCTECMCMUUUUUUECUUCUUTEPMUURCCCUURCUCECPPUCMURCUUCRUCMCRCCCUCUMEMUUCPPPPRCRURUCMCPPCRMPUEPUMPOMUMMCUUUPCCCECTMRPUPMPOCCTPCMUUMCMCCTUCECU UMCCMCUERTTRCMMUMTCPERUUMMTRUEUMCMCCMCUUPMUCCTPUMCUUUUCPPUCETUPERTRUUUUMMCUMEEMCTCCPURRUURCPCUPCCUPMPMMURUUCCCEPRPUMMUTCMCMCCCUCPPCMEPCREMUURCTPEMCMCCPRUCCUUUCCU UPCUUPUTRUEEUUUEUCRPMRUUUOCPOCRPCMECRCPCECUUECPPUMPPEPCPRMPEUCP TUEMTUTTEOPRUEPEPMTPUPTTRRERPUEMMOPMUPRUUUMEMPPPUTOUROPROPPMETPRMTUURPTPUUTOUUMTEPCOEMCUUTPUUPTOTUUTTUUU RTPTRTTMOCTRUTROTTROPTUMPPMURTEUMTPEUMCMPREPMREEEEUTTTEUUTMTPURUEUUMTUPPUTTREMTPTRRUTURTRUUTOTEROTMUUUTMUPTPUURTERUMMTMTTUPRPPPEMEPCMUMTRREMUCEUPPTTTTTPRUUURTEEPUPUTMM TUPMRUOPEUEETMMPEMTPECRETMEOUTMEEPREUMEMRTOTEMTOTPTECEPTUTREEEMPPTPEECPPTMUUTMUMPRMEREUUPTOEOPUEPTRTTEPMOUMPEUTMTTMUUUTTPTERMTRRUURUUEURTEEMUTTEPOUUEMEEPCRURMETMETOREU UOTRTPRTTEUMMTPMMRPEUURERTEOTUTRROTOTETTEOTUEUUETUETPMUOORTOUMCOTUECEUUREUUMTTERUOTTMTETTEOTUTEPTRCTUUPPERUTOUUEORMUEMPREMUUPOPMOUOOTECUOETUCMTTPTTUURTTMMOPTPUCMTUUOMU MTTTORTUPETETROMTRETTUEUUTPPTMEUMURUUUURETUTRURRTTPPTTPOETEMUOTCOUEMTTMTUEUUPTUPUPTROTUEEROEROUEMCPTERCPPTMUUMTOMCEMUTPTTTOUTOEMTTPPCREPOTEPPERPOPPOTEUUUURPUUCPRPRMTRE UUERMUCTOPTTUUTPMCTRMETEMMUOPTUUETPPMMRMTUPRMOUPRTEUUUR MMCORTUMTOETMUPMUTTPUTTERMUUPCETMTUPTPPETRUTTPOTME CURCPUOPMTPMCMPEPCMMUORRMPCMMORCCUTCCOMCUUPRCPPPUCUUEUPRUP MCECTMCCUURPPMUUEUUUUCETUURCPUUREUCECUCCUECUUURCPPMCCCUPRMUCMUCPRUPPUOMPUUUCMUUCPMUCRCPMMTCMMUOMCMCCMUUPCCTURUEUUUCUMTUCCMMUCTCRRURUMRPRUCUCEMUCCUUUETUMCPCURPURCUUMUPP CEMPPPUUMPPCCPRRCECCRMCPPRCCRPPMUUURCMEPCPUCCCCUPRRUUPMCEMCUTMUCCMEPMMPPMUUCCEMPREUUTCPCUCMCCUCMRTPMPCUCPPMRCMPCPEMPPPMRUUCCUUPRCERTUUPCUMUPUMPCRCCEPCUCCPMTRPCPCUUCRPP RURCCMEUURUUMURPEMRUCCMMUCRMCTMRPRCUCMCUUCUMMUUUEMCTMCCMUCTCMUCMPMUTRURREOCUCRCUPUCMPCEUCCEUUEPUMPTCCEURCUUCPURCTPEUUMMUUUCCMMTUCRCRMRPOUCUCUPCMPCUCTPMMUPUCUMUMCUTPPME UUUPUPCUUUUCMPUEMCUPCCRPPRUUMCCUCUPCPCPCCUUUCURCCPURCUTURECRUUCMTCCCMUCCPPPCMUCCUUUUUMMPUCRCUECCTPCPMEECMUUCCCUUMCPCCCUUCUPCUPUTCMMCUMMMUMMPTRMMPPPMRUUUCUURETUCPEC RPURURCCCTPPMTPUPMPPMRMURPUPUUUUUEPUCMPRPPCCROUUECTUPCUPCCUUCPCPCMUECMUTUUPCUUTPPPCMMUPCCRUCERTUCTECMCUUECRPUMCUTCUECCUPCUCCPURPMMTUTPPOCURCPCPPMCMCCCPUPPM RUTERMOTUMUU EMRCUUTPUPPTTTMUOTTERPRETTRMTEMTEUUTTRPTTCUTMTUPMREUPMUEUUUUUPTETCPUCEECTERMMTMOTMPMETRPEROPEMEMMPRPTRUPTUOEUMPPURMUUEMMMPUCPUMUTMPEUUOPPUOMPTOTRRMTPCPPPREPEERMREMUTPO UEMPPEERRMTRTOMEPTEMUEPRTUROOTOMUPPEROTTPTTMPPTPCUUUMTTUREOPMTRETTMEEUUOPMERMPETEERMUTTMMPEPOETMETERUUOORMEMMTRUURUOPRUPRPPUUUEEETTTTPEURERRPUETRUUEOOOUETEUUMUTURUTRUU TOPOTUPMURUUERUUUPUOOTTTPMEUERTMOUMTPPPEOMTTUUUOEUUETURPUMTMMERRUUETOTPTTTRPTMPEEMTMEUUPOETTPPPRUTEECOUMEUUTTRTTRTTMEPPTRTPOUTRTTOPECRTPUTTCEMPTOMRETTTREUCOTOT RPRURPTUTEUUEPMEOTMMUUURRETMOUMMPCPETPTPRMTUPUETETEEMCCTERUROEEPRRRRTPTUUMTPEEMCUOUURECTUPPRTPPMTMUMCTTTPRREOUTPERUTMPURRUTUMOTTEETMTRMRTOMTRRRTOPTTERUOOMUTPRMMPRPUETM EUTTMPPRTPTPTTUUMRTETTRROTURUTRUUCMRCMTOCRUTPOTTPTMTEORRMRUEURRTTOURUPTUECTEOTMTPRTPUMMREEEPORPURPRUMEMOTTROPRUETTUETROMTOUEOPUTMTURPTPRRTMORETCTMTMUETTMRTTEORPCPPMMUM TTOUMTEUURTRTRMEMUUTMTUTRETPMTPPMM

Othello Neutron Equator Trajan Illiad Molybdenum Stage 7 - Pair up the Columns MCCMMCTRUOUUUREPUCCTCTPCCCCUU. . . RRTRUUPMTMUUETRPROEMPTPTEPRER. . . UCUMUCUOETUCPECUCMUPMUCUTTUCT. . . RUTERMOTUMUUEMRCUUTPUPPTTTMUO. . . Lock one in place Rotate the others UMCMUCMTPOUCECMTREMCPCMCTPMMPP. . . TUEMTUTTEOPRUEPEPMTPUPTTRRERPU. . . CURCPUOPMTPMCMPEPCMMUORRMPCMM. . . OTUPETUOECOTTEMOTEUTEUMUPMUTP. . . We will This canwithregarded as onesubstitution cipher end up be a 64 character MR with 24 Search for frequencies and matches possible permutations

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Othello Neutron 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 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.

Othello Neutron Equator Trajan Illiad Molybdenum Edison Stage 8 - Enigma

Othello Neutron Equator Trajan Illiad Molybdenum Edison Stage 8 - Enigma Cryptotext KJQPWCAISRXWQMASEUPFOCZOQZVGZGWW KYEZVTEMTPZHVNOTKZHRCCFQLVRPCCWL WPUYONFHOGDDMOJXGGBHWWUXNJEZAXFU MEYSECSMAZFXNNASSZGWRBDDMAPGMRWT GXXZAXLBXCPHZBOUYVRRVFDKHXMQOGYL YYCUWQBTADRLBOZKYXQPWUUAFMIZTCEA XBCREDHZJDOPSQTNLIHIQHNMJZUHSMVA HHQJLIJRRXQZNFKHUIINZPMPAFLHYONM RMDADFOXTYOPEWEJGECAHPYFVMCIXAQD YIAGZXLDTFJWJQZMGBSNERMIPCKPOVLT HZOTUXQLRSRZNQLDHXHLGHYDNZKVBFDM XRZBROMDPRUXHMFSHJ

Othello Neutron Equator Trajan Illiad Molybdenum Edison Stage 8 - Enigma DASXLOESUNGSWORTXISTXPLUTOXXSTUFEXNE UNXENTHAELTXEINEXMITTEIL UNGXDIEXMITXDESXENTKODIERTXISTXXICHXH ABEXDASXLINKSSTEHENDEXB YTEXDESXSCHLUESSELSXENTDECKTXXESXISTX EINSXZEROXEINSXZER OXZEROXEINSXEINSXXICHXPROGRAMMIE RTEXDESXUNDXENTDECKTEXD ASSXDASXWORTXDEBUGGERXWENNXESXMITXD EMXUNTENSTEHENDENXSCHLUES SELXENTKODIERTXWIRDXALSXRESULTATXDIEX UNTENSTEHENDENXSCHRIFTZ EICHENXHAT

Othello Neutron 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 ZERO EINS. ICH PROGRAMMIERTE DES UND ENTDECKTE DASS DAS WORT DEBUGGER WENN ES MIT DEM UNTENSTEHENDEN SCHLUESSEL ENTKODIERT WIRD ALS RESULTAT DIE UNTENSTEHENDEN SCHRIFTZEICHEN HAT

Othello Neutron Equator Trajan Illiad Molybdenum Edison Pluto Stage 9 - DES begin 600 text. d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end

Othello Neutron 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!

Othello Neutron Equator Trajan Illiad Molybdenum Edison Pluto Stage 9 - DES multivac internet desclients

Othello Neutron 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: d 3 cd 1694 cba 126 fe 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!. 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

Othello Neutron Equator Trajan Illiad Molybdenum Edison Pluto Excerpt from Othello, Act 5, scene 2 (William Shakespeare) Armstrong ================== Stage 9 - Cleartext 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! 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!

Othello Neutron Equator Trajan Illiad Molybdenum Edison Pluto Armstrong Stage 10 - RSA (+3 DES 2) 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!7 HHDPS$; T[E!RWA? , J 8: X#D[!: XF, A>K MXT 9$Q)37IOMG 6 KL-$6? A!#FZ 2 Y)N+4%*. ^2 K!SP? Z 2'8 O 7 LZ]QP T=QG-* MAMJA; Q@3 H[8^U/L<ILL%TA 0 J 9 M*F@8 F? H: 76%<33 JOESAP=@3: (: 8 NBGFM 0 M, MP 3 B^CP%/D 8 DICZ$VO(7 IS(DTJRZ&#Y- 7 I-#VI 0">J@+O!CT. +6 B 9 K$J% 4: EAB 9%1#; (P+I>1!#<+2+; (7. W< end

Othello Neutron Equator Trajan Illiad Molybdenum Edison Pluto Armstrong Stage 10 - RSA e C = M (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

Othello Neutron Equator Trajan Illiad Molybdenum Edison Pluto Armstrong Stage 10 - RSA e C = M (mod N) N and e make up the public key d M = C (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!

Othello Neutron 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

Othello Neutron Equator Trajan Illiad Molybdenum Edison Pluto Armstrong Stage 10 - Algorithm NFS - SNFS/GNFS General Number Field Sieve 1. 2. 3. 4. 5. 6. 7. CPU Time 4 weeks Find polynomials 67 years Search for relations - Sieving 5 days Filter the relations Build a matrix for the equations system hours Solve the equations system 48 days Take the square root 3 days Hopefully, a factor is found It was !!!!

Othello Neutron Equator Trajan Illiad Molybdenum Edison Pluto Armstrong Stage 10 - Factors N = p 77 * p 78 p 77 = 1284420516538103149166225902897755319896498432391586 4368216177647043137765477 p 78 = 8363918321876069378206508564497107619045200261997249 85596729108812301394489219

Othello Neutron 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.

Othello Neutron 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 efforty years from now.

Othello Neutron 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

Скачать презентацию The Cipher Challenge The team members alphabetically were

2c08a9234fc605615738f666e5f75e41.ppt

Количество слайдов: 57