Question
Perform cryptoanalysis of the ciphertext given below. Determine what cipher was used. Determine the keyword and decrypt the ( a mod 52 + 1) -th
- Perform cryptoanalysis of the ciphertext given below. Determine what cipher was used. Determine the keyword and decrypt the (a mod 52 + 1)-th line of the ciphertext (going from top to bottom) if successful.
Letter Relative frequency in the English language
A | 8.167% |
B | 1.492% |
C | 2.782% |
D | 4.253% |
E | 12.702% |
F | 2.228% |
G | 2.015% |
H | 6.094% |
i | 6.966% |
j | 0.153% |
k | 0.772% |
l | 4.025% |
m | 2.406% |
n | 6.749% |
o | 7.507% |
p | 1.929% |
q | 0.095% |
r | 5.987% |
s | 6.327% |
t | 9.056% |
u | 2.758% |
v | 0.978% |
w | 2.360% |
x | 0.150% |
y | 1.974% |
z | 0.074% |
ODNBGPADHOSIDALBGFNVMKXUKGTGDXSXHUUKDSSIDAKOLBHOZADSO
TOHOSTAIFQSHPOIHKDBGAFOOVCABTHPTPIFRBOAIXDXOCMTXOIDZIDHT
HKOXGHDISIFQSHPHKPTOAVUAOKOLIKASMDAOTOHKRFKTPIETHTQPGG
KHOHKQODQIFAOKGATTQIUOPIFPSAPISIFXGKMIPPWSIGQXOLMDVOCDM
OYQFOKSMHUIZUGXNTGOLGQKNINKHTPQFIVDHMHDNOCOAOTSXHOKAS
BKAOSQBATIDDQIERHPGDAOXAOKOAGNVKFOCWPIUTHSIXTHKZAPGBAF
OMQFUFAIUOCAGNVKQTMTQGPTNGESTATIVNVNVKFROIUXCPHSPLBGEW
RZGOFFGSIDASIIKOMDQIEMHUGIXUFATGFWTHTGFWTOAPHQLOXKGKFX
CPXMSIUTNOHMHXKXPAOGEIZPISWTMWBIEHNTUTWQFEKXSHUIZIZFGIL SPTPNDKOUFSPPGPSIUAOOSTDYAXOZHHOFUGPBZWTNEKATMILWPOXAO
KOVOOFGFVOIUZISTIETKHVGQXOLOHPTXOCAFIMSGXTKGRAOAISIXPAO
CGPTPXOIOMHXOCTZUTKSPLISIKUIKQKIPIFNRFKUFRXIEHNHTHPPHOSOD
OQLAHDATQBODNBKOAFSHIZSIDADLVXFOOVIWHOHEUFSIDAPXSUTKSPA
TKFDIGPXNETHOSIHPHZTGAODXOYVDTHSXXZIXTQGTOAKOLBTUSPXOIT
LCKASTUGIVZHKASBKNNKOCEGGEZXOQEFTPIFBDKOZHSMSIXOMETIKOQ FOWPITGVOSIHOHRWUKVHPIXUFXNPWOLHKATIVOSXTAOYNFUFKTPUAH
PIXUFTGPHOKWPWDFOOADQKTVDIXQHVOKFMHLAGPONHKATIVNVMLH
OCTHTIVZHZCCQGPOTXPZXSPDOMNHKATGESHKNIPIFKGXOTNGFCHIXMH
IUPGGQKDHKHOSIHZWPPGOSTNIQTWZISIGUOAIFPGYOIUUFTNGEOCXPPS
ODKFOSGPQSHTFKEFKOFUGPCQOIFGWTKGSTGEOCOKOWPMIPQHMTSIFES
QTMZAZHSIHPUWHOHRLIOWLCZFWTTHOSINXPXOCTLIIVOGOFHPWTFHK
OGKMTFEKRMTADOSXINTATEVKHKRMKZFZDOAEDHKQHXDIPIFMWGOQS
MDKFNKGFAHTPHKZHXOIDKHPVVOQFMWIUSOWKZGSPTOMVOAFNOAQO
GPIPWPOKOMDVILKMHTINQPGOHTSDXOZILCSIIZWTMPIUOFAOHPLISIGKK
NHKQDIPKATBHTPSHPXHKNHPGQKNOKIVFOWPIKHQWZTPXOZHUGWTHP
PSHDPKMCCLKTOVEWIKLQNDXPPTDNKRWTIZAGSISIKUGPFORXIEHNKAQ
GMTFGDAIFSTDNLSZKPGZCHZUVPHSIFZZGOFFUIZXOBAGPHKTAVITWOIU
GIXUFTPFOMNXZISMDIPIXOLEVQLMTOXPAPGTPFOMKHVGFSTIFWGKAOS
DVOCEXOWKHHVILSPXNUWGKVKAOQKEFIOPQKFOSDFTXATWPITMTTPK
UZWADHFKHTMXPXPIKGEQOXOEWHTIFTHOSIFUFQBTHHIATIQIFPXSUQKZ
QTGOWTGQFSIHTHTZGDXXPGPVKGPTNIQIFHUHNXOHFLIOWOLHOCTIMTI
XNUWFGDOKFIAGSKAHISIFETMXMTPWZDMSMKHXCTXOCSIFETMXMHOD
NKRIPHKZHIXUFDIOGSAPIIAIFGTIVFOWPIUOCIXUFWDIODXPIZTTWDSHDH
PLISIKZSXBSZUVKKARNKOFZHNXOHFSTTPXOIOOCHDPIIOOSIFDNWPATE
QWZOFDNTEOHKOPGHZPIZCDQIFIFWTPTXOBOHOCTLIKGOSPWIPIFCFUWI
PTGIZZWSASIFEPGHVILSPXNUWGZHUHKDXTPHOSIKUDAPISMLIXOKARA
MTOSTWIOAOKOIVZHZCFLDOKVPGLIBSIZOASIFZIXUFQSKTNTIZKOQFSIFK
HKIOMHLINKPGNKKHCQPSETUKITIQIFKVPGLIQSLIOACBXGHDISTOOCXZI
KWPUKKTKFATILNVMKARIFGTIVNQFKIUZISTIEQPIFCFUWGPHPMTPIIAKIC
NMTADAOKOTQKFDIHOIRIUQGVKQFILSWPGTPMTIZDNLHOIHKZHSIFZLO
MAKOQFSIGPVKHPLIWIHKGPDAOTOKHQFKHQHUKPGPTPIFCFUWHKLAHT
OTOXOCXGHKSIGPFEXSLAHTOTOSIFUKKTKFUKTGXNSIGKKOFZHNXOHFS
TIXUFLQIZGQKNSIFESGEHNXIUPTHOSIIPGKQKIKILWPDHAFOFDUAOKOUG
OWCLMAPGTPMTIPIXSAPIKRKFATSIIUSHEFOSPSAPNXSIGKIUPXPGLISIGPH
PATTWAOKOOFHPHOSIHUHUPIOSATXGHDGXIUSUQKCQNDODQYVOZKRN
MTHKMDKFSIXOKGPGNKKHADQBQSLIOAIXSUTEKHXCQNEFXSTAHOSIGK
GPKUNTPHXCTHKOLINKKHDFQOEFTHOSIFLDLIXDIEFUGKHKAOOSIFSITG NVMKHYPGDAFAHUFGILSPSIIKDVOCNKTWNQAOKWOVAOKOLIAMPMOK
MKMHGPKWTPZGILWMTAPIOHOSIFOWZDIXPHLIFUXOHPZHOSQSLIOATPIF
PHIDPMIDCQAGNVMYGUMTSIVOOQIFBDNTPATHIQIFDQIUHNXPSIDAKASP
PWIZHPAOLCHTOKSAATZGOGOHTPGPIZXKATZWSAATOGOHTPGPATKAST
FKUFTXOCATKAQGFKM
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