TheVigenerecipherknownbysomeaslechiffreindechiffrableFrenchfor
theindecipherablecipherisamethodofencryptionthatusesaseriesof
differentCaesarciphersbasedonthelettersofakeywordthoughthereis
someargumentamongcryptographiccirclesastowhichincarnationofthis
particularpolyalphabeticsubstitutioncanaccuratelybeattributedtoBlaise
deVigenereThisimplementationisasimpleformofapolyalphabetic
substitutionToencipheratableofalphabetscanbeusedtermedatabula
rectaorVigeneretableItconsistsofthealphabetwrittenout26times
indifferentrowseachalphabetshiftedcycliclytotheleftcomparedtothe
previousalphabetIncidentallytheresagoodchancethatthisplaintext
islongenoughtodisplaythecryptographicalweaknessofthisparticular
algorithmCanyouspotit