Oct 8 Hacknight - The Vigenère Cipher
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Marc Beaupré-Pham
Oct 8, 2013, 6:34:21 PM10/8/13
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Instructions
http://www.puzzlenode.com/puzzles/12-secret-messages
Input file
JYFWAHUHSFZPZ
CCJ AUZAY TMAPXQ TRR MMJV HICT AAD CICSN GC DVGYGLG CEB KITHEQ. BZGP PKE EYBGEWF UXMH RPYKWF RLS CBNDAAMFEV PGD SSMMTV RAI TBWLPVA QEC TNBTSCJ AP Y LPVRTR WX SPDMHRRSMGL.
Happy hacking!
http://www.puzzlenode.com/puzzles/12-secret-messages
Input file
JYFWAHUHSFZPZ
CCJ AUZAY TMAPXQ TRR MMJV HICT AAD CICSN GC DVGYGLG CEB KITHEQ. BZGP PKE EYBGEWF UXMH RPYKWF RLS CBNDAAMFEV PGD SSMMTV RAI TBWLPVA QEC TNBTSCJ AP Y LPVRTR WX SPDMHRRSMGL.
Happy hacking!
Marc Beaupré-Pham
Oct 8, 2013, 6:42:07 PM10/8/13
to montreal-ru...@googlegroups.com
If you want a really hard challenge, then you could try writing a program that performs frequency analysis to decode the following. The keyword is not given. You also don't know how long it is.
RWDCJM UM TINNLNFPJ—UOB RHZRYCOE NBJAY GJEYN UCRWI WFO TMDYUFZHH YSIVR KBF URS UFV QPPCX XMIET—QYIVJU VF SEFJKZNFB RHE RFNBJ. RFXYPM ZGVFE RF NIC YUOBJ-IO GDJFPRNJTV! UMJ ZHGMIGBRZIO QYIVJU VF DIYF. KZMUPLMU YLNIMICUW—GLPKFNF BVWFLKLBJZTBRZIO. FRWLCIM TFFOMB SY KSUAFB SS UFVCS FRWLGEA, OMK WSGKYSGR MVAY UT BVASCVM, BEV, LBAV, MFV, FL QMJCUGFH. ZML WBL TLFYKY BPK UOB SYBSKS PL R WPKGOUCI. WPKGOUCIM DYE WIYEAF WFOS JZZF DFL UFV VFRKYS.
RWDCJM UM TINNLNFPJ—UOB RHZRYCOE NBJAY GJEYN UCRWI WFO TMDYUFZHH YSIVR KBF URS UFV QPPCX XMIET—QYIVJU VF SEFJKZNFB RHE RFNBJ. RFXYPM ZGVFE RF NIC YUOBJ-IO GDJFPRNJTV! UMJ ZHGMIGBRZIO QYIVJU VF DIYF. KZMUPLMU YLNIMICUW—GLPKFNF BVWFLKLBJZTBRZIO. FRWLCIM TFFOMB SY KSUAFB SS UFVCS FRWLGEA, OMK WSGKYSGR MVAY UT BVASCVM, BEV, LBAV, MFV, FL QMJCUGFH. ZML WBL TLFYKY BPK UOB SYBSKS PL R WPKGOUCI. WPKGOUCIM DYE WIYEAF WFOS JZZF DFL UFV VFRKYS.
Marc Beaupré-Pham
Oct 8, 2013, 7:56:29 PM10/8/13
to montreal-ru...@googlegroups.com
Kework: JYFWAHUHSFZPZ
Encrypted Test: CCJ AUZAY TMAPXQ TRR MMJV HICT AAD CICSN GC DVGYGLG CEB KITHEQ. BZGP PKE EYBGEWF UXMH RPYKWF RLS CBNDAAMFEV PGD SSMMTV RAI TBWLPVA QEC TNBTSCJ AP Y LPVRTR WX SPDMHRRSMGL.
Encrypted Test: CCJ AUZAY TMAPXQ TRR MMJV HICT AAD CICSN GC DVGYGLG CEB KITHEQ. BZGP PKE EYBGEWF UXMH RPYKWF RLS CBNDAAMFEV PGD SSMMTV RAI TBWLPVA QEC TNBTSCJ AP Y LPVRTR WX SPDMHRRSMGL.
On Tuesday, 8 October 2013 18:34:21 UTC-4, Marc Beaupré-Pham wrote:
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