Vigenère cipher/Cryptanalysis: Difference between revisions
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Given some text you suspect has been encrypted with a Vigenère cipher, extract the key and plaintext. There are several methods for doing this. See [[wp:Vigenère_cipher#Cryptanalysis|the Wikipedia entry]] for more information. Use the following encrypted text: |
Given some text you suspect has been encrypted with a Vigenère cipher, extract the key and plaintext. There are several methods for doing this. See [[wp:Vigenère_cipher#Cryptanalysis|the Wikipedia entry]] for more information. Use the following encrypted text: |
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<pre> |
<pre> |
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MOMUD EKAPV TQEFM OEVHP AJMII CDMPH WDYMD SQXEP DMALW NPXZF |
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ULACY ILOMA EDBXK DSERQ QZWEX JECTD WVOEL IQKIV |
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BFZGS WBKKA YISUL XMOBE XPRVO IOHJV ENLFB TWADI JLBYI DOKHN |
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HXVSE YZXZH BTEVC AULAC YILOM AYDJN UIMTK EFKAY |
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SXLWS ULKLG MHFLV CALKV CKKTA UXIIY HVWAP VNCBU XYAQJ OEFAF |
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YPTAX MVWTM GBASE PDXKZ RCAGZ OMKSQ KABZZ QYTSS |
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RVHXC HAUAL SAJZX GTAXJ PCDWL OIKGC TVAII YHVWA PVNWB CNIFK |
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ANSTD BGOEP KPGUO KMOEM ALQCU BGTMW SGHXL VYIOX |
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YHSUL JLWNM ALJTB QAVCJ FCNWX YWPHX UOPVX QODAP WXVVH HTJAQ |
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KVZVW VEWAL FAALW ACDXW MMKLI CUHKA WFHCW ABSIK |
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RWBUL CUHDV VXXKM XMOIO HRPVU VJQEA XZSWN LLZWI IUTXW OIDFX |
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UXZVC XLVAG WHWKU YXMQJ LVHHN NLVOI KAWFH VHXCH |
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ZLBLQ VUFMY IGHRV ZBFSF APAPP GPRLO WLKJT TGKEU PRMMN ZWJTA |
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FDLVO VKBAK TAXFI UVJXS IDIEA FXDLK MJDPV XXJRH |
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HBKJA LWZBF SFTAX QEDII JDWTO YIMAL CGZSX MTRQG CTFLA JPJXS |
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NNLVO ILBTX IAWHH KEPKF MYJCI FALBA GCTIG UMKAQ |
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QEKVH KHBKJ ALWAC CKGYP HVHCU HTBZS PGDTL PXEHQ WVVVX YOHGL |
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OGXAA QHRVA PISWG ATUHV OVGBO YXJEO HYTCS FDHLV |
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XYVEF KBYVQ UZAHR FALJV CXLVH XOVVR HPTSI UIYEG MZRKJ OWYAE |
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AGNML UMERI JZVRG MHXEL JVPXV LIUEP DPBAL KAWZL |
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EEKAX SIHAM LKMRH CNWPP XJPXK OMRHJ EPXUX IHPMT XYMPG UTJOC |
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IULGW XGAKC SYEWP ZRIBT VR |
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UHZHA KXJON LSEKU XZLRR FDEKP VGMJS ELBFQ AAKFZ QAIIS TQJLD |
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ORHMV CINGB AUEAC TESSQ OGSST RCJEV AVVVS IVPVY MUJHR AACZF |
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JPTCM IAGWA LGZPA APPXQ VXLKM FNCJL IEHII FUSIK UXZLE RFGAE |
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ETMOZ COLZV XJEUH YSIVZ WZIEH VHXFV QGYEL OAFYV GKTII KAWWL |
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UJZGR RIYIV ACKOM JEKDP ALRUO IZHLW MPILA LHKAF MAQKW TAMAL |
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VJHVV AWLRF EKLAE PK |
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</pre> |
</pre> |
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Revision as of 06:01, 31 May 2011
Vigenère cipher/Cryptanalysis is a draft programming task. It is not yet considered ready to be promoted as a complete task, for reasons that should be found in its talk page.
Given some text you suspect has been encrypted with a Vigenère cipher, extract the key and plaintext. There are several methods for doing this. See the Wikipedia entry for more information. Use the following encrypted text:
MOMUD EKAPV TQEFM OEVHP AJMII CDMPH WDYMD SQXEP DMALW NPXZF BFZGS WBKKA YISUL XMOBE XPRVO IOHJV ENLFB TWADI JLBYI DOKHN SXLWS ULKLG MHFLV CALKV CKKTA UXIIY HVWAP VNCBU XYAQJ OEFAF RVHXC HAUAL SAJZX GTAXJ PCDWL OIKGC TVAII YHVWA PVNWB CNIFK YHSUL JLWNM ALJTB QAVCJ FCNWX YWPHX UOPVX QODAP WXVVH HTJAQ RWBUL CUHDV VXXKM XMOIO HRPVU VJQEA XZSWN LLZWI IUTXW OIDFX ZLBLQ VUFMY IGHRV ZBFSF APAPP GPRLO WLKJT TGKEU PRMMN ZWJTA HBKJA LWZBF SFTAX QEDII JDWTO YIMAL CGZSX MTRQG CTFLA JPJXS QEKVH KHBKJ ALWAC CKGYP HVHCU HTBZS PGDTL PXEHQ WVVVX YOHGL XYVEF KBYVQ UZAHR FALJV CXLVH XOVVR HPTSI UIYEG MZRKJ OWYAE EEKAX SIHAM LKMRH CNWPP XJPXK OMRHJ EPXUX IHPMT XYMPG UTJOC UHZHA KXJON LSEKU XZLRR FDEKP VGMJS ELBFQ AAKFZ QAIIS TQJLD ORHMV CINGB AUEAC TESSQ OGSST RCJEV AVVVS IVPVY MUJHR AACZF JPTCM IAGWA LGZPA APPXQ VXLKM FNCJL IEHII FUSIK UXZLE RFGAE ETMOZ COLZV XJEUH YSIVZ WZIEH VHXFV QGYEL OAFYV GKTII KAWWL UJZGR RIYIV ACKOM JEKDP ALRUO IZHLW MPILA LHKAF MAQKW TAMAL VJHVV AWLRF EKLAE PK