一个存在互联网最深层的 Cicada 3031

Cicada 3301被描述为“互联网上最令人困惑和神秘的谜团”，并被《华盛顿邮报》列为“互联网上最不可思议的5大未解之谜”之一。Cicada 3301在互联网和深色网上发布了三本引人入胜的谜题，其中三本声称要“招募聪明的人”。

关于Cicada 3301的猜测和理论很多，包括它们是NSA，MI6，Illuminati，邪教组织或黑客组织的招聘工具。许多人最初认为Cicada 3301是一种替代现实游戏，但仍然很少有人知道这个兔子洞会导致什么。那些确实从互联网上消失了的人。

益智游戏仍在努力解决Cicada 3301 Liber Primus（拉丁文的“第一本书”），这是一本加密的符文。到目前为止已经解决的页面可以在这里找到。

蝉3301的最新公开和经过验证的通信是在2017年4月：

Beware false paths. Always verify PGP signature from 7A35090F. 3301

邀请函

在2012年1月5日，一张神秘的照片被张贴在4chan / x /论坛上：

蝉3301原创4chan邀请函

确实在此图像中隐藏了一条消息。您可以下载图像并使用Boxentriq的文本提取器工具尝试一下。请参见下面的屏幕截图：

文字摘自4chan邀请

有关TIBERIVS CLAVDIVS CAESAR的文字表明，以下文字是凯撒密码。实际上，您可以使用Boxentriq的Caesar Cipher解码器 来解决它：

解码后的凯撒密码文字

要对其进行解码，您必须将Shift设置为4，将Language设置为“ Custom”。然后，它将提供指向Imgur图像的链接：https://i.imgur.com/m9sYK.jpg。但是，此图像看起来像是一个无法解密的图：

蝉3301诱饵图像

它仍然包含两个关键字，提示如何发出REAL消息：guess和out。这表明您应该使用隐写术工具OutGuess。如果使用OutGuess，则会收到一条更有趣的消息：

Here is a book code.  To find the book, and more information, go to https://www.reddit.com/r/a2e7j6ic78h0j/
1:202:33:54:205:56:537:18:89:210:411:812:413:1314:415:816:417:518:1419:720:3121:1222:3623:224:325:526:6527:528:129:230:1831:3232:1033:334:2535:1036:737:2038:1039:3240:441:4042:1143:944:1345:646:347:548:4349:1750:1351:452:253:1854:455:656:457:2458:6459:560:3761:6062:1263:664:865:566:1867:4568:1069:270:1771:972:2073:274:3475:1376:21Good luck.3301

此消息告诉您数字是书的密码（也称为书的密码）。书密码由引用书中页面，段落，行，单词或字母的数字组成。要对其进行解码，您需要访问该书。任务继续在Reddit上进行。

寻找圣杯

Reddit上的论坛（“ Subreddit”）在标题中包含此图像，并且标题为a2e7j6ic78h0j7eiejd0120。

Cicada 3301 Subreddit标头

它还包含很多文本行和两个图像：

蝉3301 Subreddit欢迎图片（原图）

在欢迎图像上使用OutGuess可以得到以下文本：

-----BEGIN PGP SIGNED MESSAGE-----Hash: SHA1
- From here on out, we will cryptographically sign all messages with this key.
It is available on the mit keyservers.  Key ID 7A35090F, as posted in a2e7j6ic78h0j.
Patience is a virtue.
Good luck.
3301-----BEGIN PGP SIGNATURE-----Version: GnuPG v1.4.11 (GNU/Linux)
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fRcg-----END PGP SIGNATURE-----

这是非常重要的信息，因为有许多冒名顶替的人冒充Cicada3301。此PGP（GnuPG）密钥是如何验证其正确性的方法。只有来自Cicada 3301的真实消息才会使用以下密钥ID进行签名：7A35090F。使用此ID，可以从MIT密钥服务器下载其公共密钥。

Subreddit上的第二个图像如下所示：

这是一个立体图图像，其中包含与圣杯相似的图像。它还包含一个OutGuess隐藏文本：

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

The key has always been right in front of your eyes.

This isn't the quest for the Holy Grail.  Stop making 
it more difficult than it is. 

Good luck.

3301
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
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=SqLP
-----END PGP SIGNATURE-----

在Subreddit中，还有许多文本行，看起来像是加密的文本：

Ukbn Txltbz nal hh Uoxelmgox wdvg Akw; hvu ogl rsm ar sbv ix jwz
mjotukj; mul nimo vaa prrf Qwkkb aak kau ww Ukpsf, ogq Kzpox vvl luf
yh Qsrjfa, hvu Ktp hzs lbn ph Kipsy; ttv Sdmehpfjsf tad igr
rcbkfgaplvj am uswrerwptk la hox cazkwn. Agk wx wm fhpwln ds ztov
djoa mnwdl ers t wcjhxe au Crdjiy'l vsxhkv, talfw ktf nppe. Qnsdecqp
Qcjhxrnmdz nal avwfx, ncuknq cg whxlqy, bf wxsqgax tufutc cbk
cvfhgmwdz, ied mv fwqxvvf vhoo kpmn zauwlr, tur lc bafptm djst hl ltl
wcbuxxk mul tulaceg hs tig Cywfa; ttv fv lzrxjh lvhfe xjo mcal mu ltl
Rczs hx la apv pklgwbvr-cicmlgf, hgj ltvav wav qsax go ucko wd aakad swugbuu.
Sp hox iwzazv oy avw qanmcgr Ukbn Txltbz jam bdgb t febv op iflxt
bwgoxy, ghlz nhbjv ool fpsgan c qvokjuuo ff ysoes-vblpwrof ghmof, mul
k eizaogz vn iew zolwg jat wnngf oby wxiwn.
Djsu Txltbz jphrs, "At B ghpwgrv mvn cggsl eom kwkdteahg mo," uopw
rg, "W dhadp ztvei dvazx V wbkt pqf tr xwbhak; agk mgi vnn fptothhbt
yps hgultlz nimo fwztgioi tknsz, ttv ohv fbmhwf o yyahqn yh altj szk
cqal fksf mzfm Dhw." Sbw ghf Mixi klgz la ztvei. Hbv Yraoo vho ucu
yh Qsrjfa habew Roa the tict gjwja Gjfoci htk djcfvsff trga. "P,
dqc, dbrd thdv tal ugcw gamg wrkqo ak hdvuzsxk hg ax," fajf Kkk.
"Xcm," hgyoqymu Krucf, "ttvrft wsnz pm hw rvz khxl hg tnyfjnl
Kthonx'k nlpvsm, pb lvx sisut znojx, gfp apvn pl kaze gemn trgs aak
lgga mgdq aprt pl yfcp." Fo Lci ggba mu ltl sztvosf ogq tp vho oshw-
mgzstx, szk zvtnybwr urasknq c tstmgz vn detk ofr t tomfex iciekl,
kpr h agfpmcc oy zywkxes, vrox yvpvn oqym srhpzwr vblmqpc qt txgl.
Djsu mnwk hbv tal qgzebpt cnn dsntt la kzznd avw axnd. "Oqw," ccwk
Ucw, "pm ok fpuv fhy mgi mb gjxe wg af lzgdf."  "Spnhu," gsww Bwbkn,
"nq hoha hmf bf Ktp hzs mnlf vhkv wz aok pbm."  "Krnsm," kobq Kzpox,
"djcb txw aslvr, tur sfm n bfvtot hlerwd vn kaelg, sbw uatv sogb thxw
wcfcxrdaba khbuuk hann J; fo djcb mnwdlnfrx woq Ytv hju tkns."
"Lgupg zzkzmcf," jbclv Hjajp, "wsvv aak tqzb khta hzcn xnpyecv." "W
gkzs wu ka," hvjwxysv Yraoo.
"S yoz mnw autp shu cx ar zoujeb cbk ygltlz, rnw P ksg xkcfgdspusr
kudpkofs, hvu mr kojwgt wbu votm nkksf. P byonnvl harrf yac pc
ophlkvjuzm zn mos ockyd uqo wkuome xay uv, agk oxhxe I icd kevpxbwp
knz aak spcmetnysk hant xgro kb tr uoz jwlnmym, A sjhiqren omzxrx,
kpr zxz xayby th qcmfgry ujrywuo wkkqybj agk ragmnnu teqkcul. Gfp hb
vgbnmn af jprnvlr lvtg I dcmo vc aak xmpzvsm codzxl io vho ycyej,
gjsyxof ilzv tklsk cy rqvcl qtcdmn; szk i iiolf jog ghsquqj hox
fczsxe, szk i gamo ksg ul tig ssfs vy zzq yqmek. Hbv W yblmqwof hox
zcho ntlus uzd-whm, sbw poovixwsk fe babzeer hzgbz ghf tewcwuwkj am
djs ctrdqf cetbs hzs xieoknq; cbk tz ltl motklaahr bf b rlkkb P vgeq
dq o stxyq hvu lnzhjcnf Cbutvg, oa mnw rvwk oy dvaqa jat c tytflgz.
Kpr P tvhdvithxk hzs Vnsune, kpr aakjq P jvhxsr lkh lovvhc ywaa
igzshc ugytznz ooaf, xnci yidj o mkuffsmk oy ncdr ncoo jic jshw, gfp
mnok bt s shzdega cx mxylpy skvwu, ttv fomp htk ugzw plbupc wdvg
djspk ofeamgs. Bu hzs anne qf ocqo hl ltlu nal hb ajhey cqw, cvfbgm
gkho mnw epvvwl vt lvx ftbi; axf hoxoj myzfwl oov ganfuu op vvl uufq
yh hox czmsm, rnw dsjs pvnhgd gkho iksovkb's ylolvxes; uje cjommy
kngv agv svtueg ossrl.  Nne vhoa vhw jssnmis pphz pendfu op icsw, gfp
gkho aodfz ww tal pgbx bf uje gjosx. Gfp apvy plfw gabouknq vvlbx vmnovrl.
"Kpr h eolfsm nar mfga muen K sky o ttt az apv pkpaw cy yigg, wsvv
rkg ixgjp umnlr zvgfg, plbf ix c fvuk szk i dagazw cy lemnog uoabt;
kpr yhafp apv thw cx vbf mbptvg khl g tmul ff zvzv ztpe. Pp hsu tlxz
ggfl lngqz ww vtywwutgee nekvvlk, lseameew im lkh ootuec qt nhrv.
Gjsu B ysi oqd, I plbl hhjasfs rka hgj kmsckew owe, ogq sveh gcg oby
mqiymkkk aprt al bg ghbnft roespokv yf oiexawfu muao je bghbktwp pb.
Kpr ox cwza ezta ts lcpnreu trg Qhlzdq. Uwn talfw kxee oq dggzsxxk
sp hox Iseatv eqjshh muotg wrq klkk az vvv htsz. Sbw ghfte S uod
pqiy-ttv-fdmetr koegxys, fobbqwkxxazn artbu ol o pvneqw.  Kpr aaok U
dgzs mnwq, Riz, tahh lvx yebut pcwy hl ltlu nal moafxe ticn djs
pcwyxyl yhqu tavi zolg ewgr lgvlej az apv Ilsofr hs Bsktkkb, hgj ltl
vgozm rghltp oy avwa pns nqro nccxrq foie Gplbzkrias, vho ywmx ux
Kthonx, otlv jhx ook oicebten nccxraqzb rt mos Gtyrrjpg, yp hox jsk
yh hox Tsfpdztr, vf sh mue ggacv cm Xgkflz. Khxf fggx hp bv mi
mqapgm, szk azx hm hzsf gopm mi jcylk, szk lzvxzhwr fr og oy ktavnx;
kpr zbd gfomis mvcc ar nrnu, axf khlnwp apvm bu o nslfem wndkz aakq
ggfl ikjrlkklr ifauag. Aof trg hobxv epf jpklov qebtiu uzqb aak
dcpsxy szk xieihfwr frau.  Cnn vvl yumdap jiq acgy hsf na sykzlw
qcftxtle, hvu pehqwr hghfts ercu fk; fmtmcy, tu ifrxe-vfut kpr h
nqiiekl am nznx swfsg, nne c ryds, hgj s ebztota, ofr t zaovlo qt
igzshc kmaqe wbav s pkbae iovf phgj mbvv khx tofher. Aof trgm weguqk
mwgobufe iwkh ulbwomu aof abqiuw sw, ipby chcsjwgts ph rof zpgkf; mul
S uoa wuoz.  Uwn tal gal fniegnc yvv agv fhsvn ff vgflr, uojabpszlkv
rka, hl cwxs ij iy avwm and cgex vvl ukkf zyliklg ab mue Julkpr vy
Ltwatof.  Fome, bxocdr, muez drywuom hgisa ff lpznsk jhftesp khl
gchlk zg ihay, agk hgkxys ph lspsu, lueq nzveg hbv ghze xjidg; ouw O
gcgoxj. Szk qe a ephlzx jhjne djs ttt kma lfwg ac lvx gacne. Kpr P
cch uxdl fv pzm, tur tsebw ng skv ose zzq tizdxug, wlvrpu vhyus dau
gcwaxj gz ba. Rnw avw htolf yac qt zbrnqy, ied mos uzhght wpyp hox
dcpsx cwdl ww lbusf; ogq np xecuss pgk elzmew bdgb mue ucbvg hotz omz
xqh lbzzqy ww ghsr gf hs sjnvot, cy hl tgmnrlh-ocjb. Tad pwr wgoa
gcg ikumsob ko nz. Ofr orrjny, Ucw, P lgo fomie xcsjm lbru qf wgoa
kpr lokjk zwit hm zaenbr ujad K vhok whlz jexu sdgxjhfte; lwh aak
wgoa ttv fom cijbcj kxee cgtdgf zxxnqk byekl hzog V hbxe oxsy lkwz
djst bt szf wkhxy ddovr.
"Ephpe zzq ymgala ksg anlg qvot, blbzzqy bye fhb fck nnz qno qt aak
ncazxrk ewwbe t zwfuer wptd dq al; ual iome tal asb irrdgifgr aagl ua
gqisw hw yvzv azyswouye uq mo vc jhtnqyav tahb lc xnt bpy wqfl, ak
lguhg zg uuylikl cx ax jhp K wku. W ztov U dij gehr lc yvne vhkv
djsyx cse zwde hus ovh jovnd nkgjhajel ezta ts, sbw ghbv id yoz gul
mqbzbjwdll jo zyssh t prjoe kv hotz Uabzk fhy dwciye uq hynr jhtnqyav
dqulmnwd. 'Jpzeyaoab,' lnie vho oou, 'pk oabtu htcs loexee vo djsl
cqcuxx, tga ev fxhfwr mb djutetp aakw pbzznz avq fxcatv; nyy,
rqklokj, il ezle kwkqhhrtg.' Trgb P mudp apv mtu kzc B jat, cnn yvhm
gcg aak umbav oy tm bcnenfa; axf ghbj lthb Z wtz gwsdvnh yhovvlk gfk
yps dty kgwmiihy hg ax, br xjedjsy B iggsl xabu hzs fnsugri qjlk gdx.
Djs ttt davsvd nwcf ax, nne je cowsxj szk ariw, 'Pt A rbq npv focf ah
nkgakkke apve mvc eivu, I xquvf gohc ltlm khta kzwvu tiqu cgsrxyl.'
Ercu mnae P jvctts sbqvovu axf gvkxgimcc, agk kzsg ghf oax rsyvkahll
sv, vl lgap, 'Pn khhb kgieqetv rkvvlk zzma Q jhhbzv gabw ujeo vvf
nkghwbszaixe moof havnf cdfcbatmw, U dqcl wv gg. Gereq jebg hv-
xkuom, gfp pv khx tcjbbag bticg shkrq, mul kadl hzs kbae wpgcfkl
djfvnmz fom maessq iggim vhyw fltizqzb khx dcgr murpwgr yvpvn ltvc
mcallz zuapvr. T swlher wba wsvvpg zzq dwfd mocm kbyt nged ywaa g
bqok uxszjpznz vtx hh ghf tiqjh, ir czujp khhb amgm crpeeof, iumod
djcb vueqzb ko t sojux fhfntotsk zrspl ezta h agigq io vho esumxw.
Kpr aaum iptk sxl o tztpk ncn yh uyxgl eaikukl cf har tpr op vvl
wqiuw. Nw uz vft ltodzxe io uijg hott liv ww tal awb hs tiks gqfsw.
Rg vhl hmf vvv fhvh; sbw bnf gyo kb aak euklce hm vag ybrfjekf. Ouw
rg vhl g uxbj ff bycf, ogq iu ks mgfatof foik talfw okr np vwy osu bt
djs dhxdp dpf whbzv bhg fjpd djspk hmdkme ig avsh vyuc. Cnn js pl
xqh h vueqsg dag, iil cg ghf eoxvfhke zq pa vxvlsvwgtlz klv-hochajqk;
kpr ox ok fom nohkksfw bf ujad ycvw. Gfp apfu ppzl gxr a ujoeuouw
gkzk ttayhtj gkhnabz nrpwnn jwt. Btigpzv oy owe har wba oev cm mnw
qnokx, gfp om nies fwdel tp vhog pybkxxf, ied ppzd dhvnu qud vvl kusp
la kobiz fowl sahzl tbad ujad yvpvn ltvc rrm pb iixft ph.'
"Kpr shty elmdew avsh gvgiv ty os. Hgj ltl vvxm tcjbbag J cryus hgj
osipivwp tgjeem, ofr fbuoven om ohxkq, hvu pkvqwswrd tvrkkuom zzdvcxh
djs ctrdqf bf tal kgcw; nne K fynzvpkv fom trhzg-jctq wikcr vvl fgf
rcr whoffll fum ac es, mvlm ct vgbnmn A myzzvxk ol har gmcdo. Cbk
djsyx cse P byrxl haaxf mpte kuhvgoktll rt mos fifoes qf gkzk ttayhtj
djoa B hwtltu, tahb lvx zao jan uopw O ktvccd ul. Ofr mue cnamm ahg
gcg aakjq, zqktbuu mdha tig tyr cm mnw yvced. Abuw cy ftbvubg oz mnw
wcb otj lasl de mool vx jat, K fywbk aoe fv mocxlr tm ynr uje
nggjkohfpwe hx oov ubieo oe yh vpf. Gk rvz khx pfgb vyuc yhsev aak
wcb otj lasl de phg s pnedfp fyt hdh swz, P id cxyhswg, Xaj, vhkv wa
gqisw hw m omrvr dsauag fpt fywf dtxjuvzj th swxh; tad ujic yoz bt
djs ieguw tie's ahbv. Ogq hf qnva gwhqw fv uv ig hbkkxe tp oy
awszmogzz. Byeg P okyxq hjo wrch whcwd om yeek cnsk ghpue kpwttrk.
'S ywse yzad byex, swlher mbp,' skkr ox. Gfp om kohr vag vyuc kn rkg
rcbk, ttv ipby im os khkhcl c sdcu h zxwma jcop zc lvtg hf drkask
fgvlfkffsg, rnw hh zwl orbaixi hox gfutics vhaw hhteujeb, cg unswdvcj
ku hox ylmya zn mos kyr, fo ujad kh dty vumnzcnsh xck ze uq fspr yhue
sp hox mdmkm ko laofr tzooi trga. Aakjq dmie llfhsggs, bpd ntonhtk,
kpr kbbwdz afrmz cx ogvmbns. Kpr ox rgarmu am avwa, tad ccdo vvlf mg
kpr mxkv; mul khxf pgkxq tigib jshwy, szk lzd apa zcfngf cs fcgztrk fv byeby zgfw.
"Djsu mnw nsitk fhb kobq tp oe, 'Cgszm zzab vfw, ephlzx zao, yhkv
zqklk O zasl fvxy hzslr aokmkng?' Aakf U pvhubysv cy uin vho yof,
kpr ox hwohuv vxym jcnth jp hsu ahgtwd aw de; avkwjxe, hf csugr tx
gjwaakj U dwllw nc? Sbw jhfp I dqzk aoe iow Z wtz ofr puau K sywuom,
rg rpkkufll de. 'Mhyw,' gtvd ig, 'trch wtzz foik lxhrk hhjasfs djs
rgok hl ltl ocawl, ofr tfcfpd djs dhuvqk akexw ifhby tiqu mqallz la
svg znseua; ied mosjs muov yivv tpgj sz vxvn lwous evkf vo k noyzk
fczsxe, szk qe tal aarlg og kt k vose zjql, eyoll pjogphfu abg
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kpr ir zzq zque hm hzs ybuovasp o ttxtxl acau, hbv cg ghf oabdzl lrsn
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mcfybkv mdip. Ttrs lvx ooxn axf hokuo m iwnlybz gt pntft uzqb aak
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cjcdxx. Ltlv r fepuzh hs bjtdc ywse igyl ied tswyvm hppp trg hyxk;
kpr pg zzuum fwg jcmbmey ujoe fwklz fqcmi hxhf s gmeajp sy uklxz se
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pkbk mxggitv ig avsh tqvfptets, aaum zlmuela bgh lrel kt nwfpgm ltl
bgga hl ltf tzfx.' 
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djsyx O xabvu eolfqhavnh cs djs ieguw tie htk rwgveicgd sv hv fk.
Kpr P pkff bx ko mos lfxr, aof bopshmn af P arw mos xcnatbkn, kpr ir
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djsyxahau, jvhhsr, lvx ghvpdot qhfk, egjp dokl jacernu vhkp hox hdmjs
wcb otj dqk uv th llhsvg; aof apvsy mnw focedxy qsax ghf uhyysy; ttv
yh o akalt P bvle avws, Dni, ujad vvlkk ae umztalf eog aos dekuh aagl
mcb lgjmdl byam zvgkxe aof lsxs. Mhx faa wee hm hzclr hbklcvcuxy
gqisw hw eawgpxk, saharr ca trg tsxyz ay jp tal gcwg, hnukl sv vhw
bgojakv fom sogl. W likaee oy rqfzx'y xxhvb thdojrl ghf uhyysy, ttv
znojxj ltl jvad vt em luifnd yxsy aok tliu agk bwqd, jhjne S jssw zzq
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osihe zg foik, ebavwf urfpte yt gpgiw. Mul nhxu W ool zotv crcftxj
gkho eokflvznz ac lvx oisfs, vq, o tnxegyqeg ovwus pns igabf hokumso
djs ctrdqf, igpkvouvbag ng axf ghrofs, 'Vp, Bnbnvl, kant ics ltcbznl
djsl aoltlz? Nhta snwe uawg I nqbl mu ltlm, khta hzcn fhpwlnuh hvz

问题是使用了哪种加密方法以及如何找到密钥。

人们发现钥匙是字面上“眼前的”。标题图像由玛雅数组成，该玛雅数转换为序列10 2 14 7 19 6 18 12 7 8 17 019。与标题进行比较，发现10 = a，14 = e等。因此，整个标题可以翻译为 10 2 14 7 19 6 18 12 7 8 17 0 19 7 14 18 14 19 13 0 1 2 0。

发现文本行是Vigenère密码。可以通过让0 = A，1 = B等来将数字转换为Vigenère密钥。您可以使用Boxentriq的数字字母工具来完成此操作，该工具会为您提供密钥kcohtgsmhirathosotnabca。

现在，您可以使用Boxentriq的Vigenère密码工具逐行解码文本。您可以在下面的屏幕截图中看到结果：

蝉3301 Subreddit文本已解码

这是全文：

King Arthur was at Caerlleon upon Usk; and one day he sat in his
chamber; and with him were Owain the son of Urien, and Kynon the son
of Clydno, and Kai the son of Kyner; and Gwenhwyvar and her
handmaidens at needlework by the window. And if it should be said
that there was a porter at Arthur's palace, there was none. Glewlwyd
Gavaelvawr was there, acting as porter, to welcome guests and
strangers, and to receive them with honour, and to inform them of the
manners and customs of the Court; and to direct those who came to the
Hall or to the presence-chamber, and those who came to take up their lodging.
In the centre of the chamber King Arthur sat upon a seat of green
rushes, over which was spread a covering of flame-coloured satin, and
a cushion of red satin was under his elbow.
Then Arthur spoke, "If I thought you would not disparage me," said
he, "I would sleep while I wait for my repast; and you can entertain
one another with relating tales, and can obtain a flagon of mead and
some meat from Kai." And the King went to sleep. And Kynon the son
of Clydno asked Kai for that which Arthur had promised them. "I,
too, will have the good tale which he promised to me," said Kai.
"Nay," answered Kynon, "fairer will it be for thee to fulfill
Arthur's behest, in the first place, and then we will tell thee the
best tale that we know." So Kai went to the kitchen and to the mead-
cellar, and returned bearing a flagon of mead and a golden goblet,
and a handful of skewers, upon which were broiled collops of meat.
Then they ate the collops and began to drink the mead. "Now," said
Kai, "it is time for you to give me my story."  "Kynon," said Owain,
"do thou pay to Kai the tale that is his due."  "Truly," said Kynon,
"thou are older, and art a better teller of tales, and hast seen more
marvellous things than I; do thou therefore pay Kai his tale."
"Begin thyself," quoth Owain, "with the best that thou knowest." "I
will do so," answered Kynon.
"I was the only son of my mother and father, and I was exceedingly
aspiring, and my daring was very great. I thought there was no
enterprise in the world too mighty for me, and after I had achieved
all the adventures that were in my own country, I equipped myself,
and set forth to journey through deserts and distant regions. And at
length it chanced that I came to the fairest valley in the world,
wherein were trees of equal growth; and a river ran through the
valley, and a path was by the side of the river. And I followed the
path until mid-day, and continued my journey along the remainder of
the valley until the evening; and at the extremity of a plain I came
to a large and lustrous Castle, at the foot of which was a torrent.
And I approached the Castle, and there I beheld two youths with
yellow curling hair, each with a frontlet of gold upon his head, and
clad in a garment of yellow satin, and they had gold clasps upon
their insteps. In the hand of each of them was an ivory bow, strung
with the sinews of the stag; and their arrows had shafts of the bone
of the whale, and were winged with peacock's feathers; the shafts
also had golden heads.  And they had daggers with blades of gold, and
with hilts of the bone of the whale. And they were shooting their daggers.
"And a little way from them I saw a man in the prime of life, with
his beard newly shorn, clad in a robe and a mantle of yellow satin;
and round the top of his mantle was a band of gold lace. On his feet
were shoes of variegated leather, fastened by two bosses of gold.
When I saw him, I went towards him and saluted him, and such was his
courtesy that he no sooner received my greeting than he returned it.
And he went with me towards the Castle. Now there were no dwellers
in the Castle except those who were in one hall. And there I saw
four-and-twenty damsels, embroidering satin at a window.  And this I
tell thee, Kai, that the least fair of them was fairer than the
fairest maid thou hast ever beheld in the Island of Britain, and the
least lovely of them was more lovely than Gwenhwyvar, the wife of
Arthur, when she has appeared loveliest at the Offering, on the day
of the Nativity, or at the feast of Easter. They rose up at my
coming, and six of them took my horse, and divested me of my armour;
and six others took my arms, and washed them in a vessel until they
were perfectly bright. And the third six spread cloths upon the
tables and prepared meat.  And the fourth six took off my soiled
garments, and placed others upon me; namely, an under-vest and a
doublet of fine linen, and a robe, and a surcoat, and a mantle of
yellow satin with a broad gold band upon the mantle. And they placed
cushions both beneath and around me, with coverings of red linen; and
I sat down.  Now the six maidens who had taken my horse, unharnessed
him, as well as if they had been the best squires in the Island of
Britain.  Then, behold, they brought bowls of silver wherein was
water to wash, and towels of linen, some green and some white; and I
washed. And in a little while the man sat down to the table. And I
sat next to him, and below me sat all the maidens, except those who
waited on us. And the table was of silver, and the cloths upon the
table were of linen; and no vessel was served upon the table that was
not either of gold or of silver, or of buffalo-horn. And our meat
was brought to us. And verily, Kai, I saw there every sort of meat
and every sort of liquor that I have ever seen elsewhere; but the
meat and the liquor were better served there than I have ever seen
them in any other place.
"Until the repast was half over, neither the man nor any one of the
damsels spoke a single word to me; but when the man perceived that it
would be more agreeable to me to converse than to eat any more, he
began to inquire of me who I was. I said I was glad to find that
there was some one who would discourse with me, and that it was not
considered so great a crime at that Court for people to hold converse
together. 'Chieftain,' said the man, 'we would have talked to thee
sooner, but we feared to disturb thee during thy repast; now,
however, we will discourse.' Then I told the man who I was, and what
was the cause of my journey; and said that I was seeking whether any
one was superior to me, or whether I could gain the mastery over all.
The man looked upon me, and he smiled and said, 'If I did not fear to
distress thee too much, I would show thee that which thou seekest.'
Upon this I became anxious and sorrowful, and when the man perceived
it, he said, 'If thou wouldest rather that I should show thee thy
disadvantage than thine advantage, I will do so. Sleep here to-
night, and in the morning arise early, and take the road upwards
through the valley until thou reachest the wood through which thou
camest hither. A little way within the wood thou wilt meet with a
road branching off to the right, by which thou must proceed, until
thou comest to a large sheltered glade with a mound in the centre.
And thou wilt see a black man of great stature on the top of the
mound. He is not smaller in size than two of the men of this world.
He has but one foot; and one eye in the middle of his forehead. And
he has a club of iron, and it is certain that there are no two men in
the world who would not find their burden in that club. And he is
not a comely man, but on the contrary he is exceedingly ill-favoured;
and he is the woodward of that wood. And thou wilt see a thousand
wild animals grazing around him. Inquire of him the way out of the
glade, and he will reply to thee briefly, and will point out the road
by which thou shalt find that which thou art in quest of.'
"And long seemed that night to me. And the next morning I arose and
equipped myself, and mounted my horse, and proceeded straight through
the valley to the wood; and I followed the cross-road which the man
had pointed out to me, till at length I arrived at the glade. And
there was I three times more astonished at the number of wild animals
that I beheld, than the man had said I should be. And the black man
was there, sitting upon the top of the mound. Huge of stature as the
man had told me that he was, I found him to exceed by far the
description he had given me of him. As for the iron club which the
man had told me was a burden for two men, I am certain, Kai, that it
would be a heavy weight for four warriors to lift; and this was in
the black man's hand. And he only spoke to me in answer to my
questions. Then I asked him what power he held over those animals.
'I will show thee, little man,' said he. And he took his club in his
hand, and with it he struck a stag a great blow so that he brayed
vehemently, and at his braying the animals came together, as numerous
as the stars in the sky, so that it was difficult for me to find room
in the glade to stand among them. There were serpents, and dragons,
and divers sorts of animals. And he looked at them, and bade them go
and feed; and they bowed their heads, and did him homage as vassals to their lord.
"Then the black man said to me, 'Seest thou now, little man, what
power I hold over these animals?' Then I inquired of him the way,
and he became very rough in his manner to me; however, he asked me
whither I would go? And when I told him who I was and what I sought,
he directed me. 'Take,' said he, 'that path that leads towards the
head of the glade, and ascend the wooded steep until thou comest to
its summit; and there thou wilt find an open space like to a large
valley, and in the midst of it a tall tree, whose branches are
greener than the greenest pine-trees. Under this tree is a fountain,
and by the side of the fountain a marble slab, and on the marble slab
a silver bowl, attached by a chain of silver, so that it may not be
carried away. Take the bowl and throw a bowlful of water upon the
slab, and thou wilt hear a mighty peal of thunder, so that thou wilt
think that heaven and earth are trembling with its fury. With the
thunder there will come a shower so severe that it will be scarce
possible for thee to endure it and live. And the shower will be of
hailstones; and after the shower, the weather will become fair, but
every leaf that was upon the tree will have been carried away by the
shower. Then a flight of birds will come and alight upon the tree;
and in thine own country thou didst never hear a strain so sweet as
that which they will sing. And at the moment thou art most delighted
with the song of the birds, thou wilt hear a murmuring and
complaining coming towards thee along the valley. And thou wilt see
a knight upon a coal-black horse, clothed in black velvet, and with a
pennon of black linen upon his lance; and he will ride unto thee to
encounter thee with the utmost speed. If thou fleest from him he
will overtake thee, and if thou abidest there, as sure as thou art a
mounted knight, he will leave thee on foot. And if thou dost not
find trouble in that adventure, thou needest not seek it during the
rest of thy life.' 
"So I journeyed on, until I reached the summit of the steep, and
there I found everything as the black man had described it to me.
And I went up to the tree, and beneath it I saw the fountain, and by
its side the marble slab, and the silver bowl fastened by the chain.
Then I took the bowl, and cast a bowlful of water upon the slab; and
thereupon, behold, the thunder came, much more violent than the black
man had led me to expect; and after the thunder came the shower; and
of a truth I tell thee, Kai, that there is neither man nor beast that
can endure that shower and live. For not one of those hailstones
would be stopped, either by the flesh or by the skin, until it had
reached the bone. I turned my horse's flank towards the shower, and
placed the beak of my shield over his head and neck, while I held the
upper part of it over my own head. And thus I withstood the shower.
When I looked on the tree there was not a single leaf upon it, and
then the sky became clear, and with that, behold the birds lighted
upon the tree, and sang. And truly, Kai, I never heard any melody
equal to that, either before or since. And when I was most charmed
with listening to the birds, lo, a murmuring voice was heard through
the valley, approaching me and saying, 'Oh, Knight, what has brought
thee hither? What evil have I done to thee, that thou shouldst act

这段文字取材自托马斯·布芬奇的《神话》，这是一部经典的作品，以马比诺基翁关于亚瑟王和圆桌骑士的故事以及他们对圣杯的追捕为基础。这是原文。

使用此文本，您现在可以使用Boxentriq的“图书密码”工具对图书密码进行解码：

蝉3301 Mabinogion图书密码解码

使许多求解器感到困惑的是，文本在某些地方包含双精度空格。如果您从subreddit复制粘贴了文本，则很容易错过双空格，这导致从书密中弄错了一些字符。因此，有些人认为句号（。）应该被过滤掉，您不应该这样做。

电话号码！

电话

这个电话号码2143909608不再起作用，但是下面是您会收到的消息的记录：

在+1 2143909608处发出的Cicada 3301电话留言：

这是邮件的抄录：

Very good. You have done well. There are three prime numbers associated with the original final.jpg image. 3301 is one of them. You will have to find the other two. Multiply all three of these numbers together and add a .com to find the next step. Good luck. Goodbye.

查看4chan上发布的图像，它没有明显的质数，但大小为509 x 503像素。碰巧509和503都是素数。因此，总数为509 x 503 x 3301 = 845145127。

网站845145127.com不再可用，但显示了蝉的图像和倒计时：

倒数计时

在图像上应用OutGuess会显示一个文本：

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

You have done well to come this far.

Patience is a virtue.

Check back at 17:00 on Monday, 9 January 2012 UTC.

3301
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
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=zn1y
-----END PGP SIGNATURE-----

时间流逝，求解器以最大的期望等待着，但他们仍然为接下来发生的事情感到有些震惊。

在全球范围内

突然，隐藏在图像中的消息发生了变化。现在，它包含看起来像坐标的东西，分布在全球各地：

52.216802, 21.018334
48.85057059876962, 2.406892329454422
48.85030144151387,2.407538741827011
47.664196,  -122.313301
47.637520, -122.346277
47.622993, -122.312576
37.5196666666667, 126.995
33.966808, -117.650488
29.909098706850486 -89.99312818050384
25.684702, -80.441289
21.584069, -158.104211
- -33.90281, 151.18421
36.0665472222222, -94.1726416666667
37.577070, 126.813122

该地点遍布全球，分布在加利福尼亚，澳大利亚，夏威夷，韩国，波兰和其他地方。参观这些确切的地点，有真实的海报，上面有蝉的图像和QR码：

蝉3301 QR海报在华沙

显然Cicada 3301是一个足智多谋的组织，能够在全球范围内张贴海报。他们要么在全球范围内拥有成员，要么进行了大量的旅行来分发这些海报。这个难题不再只是一个在线的东西。

益智游戏公司合作参观了这些地点并拍照。他们发现海报有两种变体，其中包含QR码。它们包含新的书密码，并警告不要共享太多。

第一条讯息：

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
 
In twenty-nine volumes, knowledge was once contained.
How many lines of the code remained when the Mabinogion paused?
Go that far in from the beginning and find my first name.
 
1:29
6:46
the product of the first two primes
2:37
14:41
17:3
27:40
the first prime
2:33
1:1
7:45
17:29
21:31
12:17
the product of the first two primes
22:42
15:18
24:33
27:46
12:29
25:66
7:47
 
You've shared too much to this point.  We want the best,  
not the followers.  Thus, the first few there will receive
the prize.
 
Good luck.
 
3301
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
 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=LWeJ
-----END PGP SIGNATURE-----

第二条消息：

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
 
A poem of fading death, named for a king
Meant to be read only once and vanish
Alas, it could not remain unseen.
 
1:5
152:24
the product of the first two primes
14:13
7:36
12:10
7:16
24:3
271:22
10:7
13:28
12:7
86:17
93:14
the product of the first two primes
16:7
96:4
19:13
47:2
71:22
75:9
77:4
 
You've shared too much to this point.  We want the best,  
not the followers.  Thus, the first few there will receive
the prize.
 
Good luck.
 
3301
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
 
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=aXFt
-----END PGP SIGNATURE-----

后来，网站再次更改，并包含数字列表。有人发现，如果您输入http：//thewebsite/thenumber.jpg，它还会向您显示海报（不需要您亲自去那里旅行）。

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
 
162667212858
414974253863
598852142735
876873892385
935691396441
316744223127
427566844663
644169769482
889296759263
963846244281
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
 
iQIcBAEBAgAGBQJPDRkvAAoJEBgfAeV6NQkPVuMP/3ZyAgwsko/B2T9Ew1yqAKVy
K9//wIWCRvMyZ4k79ApqvOJAlezgHTsAM8XG/I71bAG+2wMOXNJfTj/SFONEEbS5
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QvqsaMuUq5ZHEaZMgdD0VKYlRrKdhOiDjtJVxoXk1b7YBOV8dZZBXJbEIbTvaof4
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HOmElIXvK13Q9m545RtP
=Q1Fy
-----END PGP SIGNATURE-----

第二本书的密码首先被破解了。发现使用的书是 威廉·吉布森（William Gibson ）的《阿格里帕》（Agrippa）。这首诗随书一起放在3.5英寸的磁盘上，经过编程后可以一次性加密。解密后的文本为：

sq6wmgv2zcsrix6t.onion

后来，也找到了第一本书。这是《大英百科全书》，第11版，第6卷，第3节，“ Chitral”至“ Cincinnati”。

走向黑暗

如果您熟悉暗网，您将认识到这是TOR网络上的地址。暗网是一种“地下互联网”，需要特定的软件和配置才能访问。身份和位置保持匿名，无法跟踪。这就是难题“离网”的地方。

这些是遇见来到这里的人们的指示：

Congratulations!Please create a new email address with a public, free web-based service. Once you've never used before, and enter it below. We recommend you do this while still using tor, for anonymity.We will email you a number within the next few days (in the order in which you arrived at this page). Once you've recieved it, come back to this page and append a slash and then the number you recieved to this url. (For example, if you recieved "3894894230934209", then you would go to "[http:// http://sq6wmgv2zcsrix6t.onion/3894894230934209]")3301

之后发生的事情无法验证，但有些电子邮件已泄漏。这是接下来发生的事情。

RSA难题

在黑暗网站上提供电子邮件地址的第一批人被发送了一封包含另一项测试的电子邮件：

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1


This message will only be displayed once.

Here is a message that has been encrypted with RSA (the Crypt::RSA Perl module available in CPAN) :

- -----BEGIN COMPRESSED RSA ENCRYPTED MESSAGE-----
Version: 1.99
Scheme: Crypt::RSA::ES::OAEP

eJwBzQAy/zEwADE4OABDeXBoZXJ0ZXh0B4KeBtKjJ7hGKC7/zqyzxUoFDTzRuU4+TLFUrw9qDGjk
YI3fjyMn3G/w9WcfkZMGHdGRicbpTsDO3/oqmVtZpmIDY2HPOeWIZChuLfMDwT3FTUkDjQpsq390
OJ90pArd1JRxdIZtnCvnVy/vg+1MjAFH3ta+CuAwHsIY/3lGOKTin1+5M30BKh7NOQMmBcJ8/RuL
TfXMGQT01QVMeAGq6vORk3iw39KOLRU3Lcn1804G1/zd2mdFWvEMaTbu/F+7
=0KfiT9PUe6QkwJXoM36Ukw==
- -----END COMPRESSED RSA ENCRYPTED MESSAGE-----


Here is the public key used to encrypt it. Note that it has a low bit modulus and is therefore breakable:

$VAR1 = bless( {
                 'e' => 65537,
                 'n' => '7467492769579356967270197440403790283193525917787433197231759008957255433116469460882489015469125000179524189783',
                 'Version' => '1.99',
                 'Identity' => 
               }, 'Crypt::RSA::Key::Public' );


The encrypted message is a number.  Break the decryption key, then come back to this same URL and enter the 
decrypted message to continue.  Each person who has come this far has received a unique message encrypted 
with a unique key.  You are not to collaborate.  Sharing your message or key will result in not receiving 
the next step.

There is a second chance to get your own RSA message and key.  Follow the "Numbers dot TK" hint to find it.

There are many fake messages out there.  Only messages signed with public key ID 7A35090F are valid.  

Good luck.

3301 

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)

iQIcBAEBAgAGBQJPEi5PAAoJEBgfAeV6NQkPV58P/0vBho7MrgWy4V4v2CGcq3gU
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qtppmijeO+BuytVm8XlmGLoMvL8NlCx/9ghTnaQN1hBWT/WpCPRCLC0F982zvfzC
Zhu0lPouHYdB9QYRuUcMQP03UcZNyFsdmw1epVLfL3QP9TzDoeLBopu/gHNARUzp
Icx7rqme633XCldmnLn91CMGBOMGLQGdC+z16e9zQGYuliE/SfB66Kebz2f8ZBpK
Dqw5Riu8BQAPMK1kt9evb7L/a7TZD5ISlh253ES9Tmi8/Nxot7hGMuHXFvEdajyK
qwcTZ2vegt8Tu6Hb7199
=S6GG
-----END PGP SIGNATURE-----

要解决此问题，您需要断开RSA密钥。您需要将大数（112位数字）分解为两个质数。这远非易事。

分解大数需要高级数学。幸运的是，可以使用一些公开可用的开源项目：

• 筛选

• CADO-NFS

这两个选项都使用数字字段筛选（NFS）算法。在现代计算机上，您应该能够在不到一个小时的时间内将数字n分解。您将获得以下主要因素：

p = 94424081139901371883469166542407095517576260048697655243q = 79084622052242264844238683495727691663247340251867615781

现在，您可以继续使用 Boxentriq的大数计算器和 Boxentriq的模块化乘法逆计算器来获得秘密指数d。

phi = (p-1)(q-1) = 7467492769579356967270197440403790283193525917787433197058250305765111796388761610844354228288301399878958918760d = 65537-1 (mod phi) = 6095845029215954627034931303907142169470229688202235204684671759588136716587612454316830292189081535500929599993

现在您有了密钥d，您可以使用Crypt :: RSA Perl模块解密电子邮件中的消息了。

MIDI拼图

通过电子邮件收到的下一个难题是此文本和一首音乐（Cicada 3301 MIDI文件）。

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

This song is your own path
Another stop on the road toward enlightenment
Follow it, and share not 

Let the Chorus be your guide to the depths :

	Let the Priests of the Raven of dawn, 
	no longer in deadly black, with hoarse note 
	curse the sons of joy. Nor his accepted 
	brethren, whom, tyrant, he calls free lay the 
	bound or build the roof. Nor pale religious 
	letchery call that virginity, that wishes 
	but acts not. 

	For every thing that lives is Holy.

Good luck.

3301
- -----BEGIN PGP MESSAGE-----
Version: GnuPG v1.4.11 (GNU/Linux)

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=yk7h
- -----END PGP MESSAGE-----
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)

iQIcBAEBAgAGBQJPGOY0AAoJEBgfAeV6NQkP7KQQAJ7qfuZgtthyD6hXiPvrYXCl
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=kTmp
-----END PGP SIGNATURE-----

MIDI文件是一种音乐密码形式。分析MIDI文件显示它具有两个音轨（提供两个不同的消息）。每个消息的音高和音调长度组合少于26个，这暗示音高和音调长度的每种组合都可以代表一个字母。

这可以通过不同的方式解决。这是一个简短的Python程序，可将MIDI文件中的音轨转换为文本密码。它使用开源的MIDI解析器mido，您需要在运行该程序之前进行安装。

import mido

def getNotes(filename, track):
    result = ''
    for msg in mido.MidiFile(filename).tracks[track]:
        if msg.type == 'note_off':
            result += f'{msg.note} {msg.time}rn'
    return result

def notesToSingleLetters(msg):
    result = ''
    letters = list('abcdefghijklmnopqrstuvwxyz')
    dict = {}
    for line in msg.splitlines():
        if line in dict:
            result += dict

        else:
            letter = letters.pop(0)
            result += letter
            dict
 = letter
    return result

print(notesToSingleLetters(getNotes('cicada-3301-2012-midi-song.midi', 1)))

然后，您可以使用Boxentriq的密码工具来破解此密码：

蝉Midi文件已解码

结束

完成MIDI拼图的人怎么了？除了一些无法验证的泄漏的电子邮件和推荐以外，这仍然是未知的。

一个月后，subreddit上的图像发生了变化：

2012拼图的终结

直到2013年1月，他们的下一个谜团开始，蝉的声音才消失。

本文始发于微信公众号（Ots安全）：一个存在互联网最深层的 Cicada 3031