Transcript CRYPTOGRAPHY - Brown University

Caesar shift problems
MHILYLZAZBHLXBPZXBLMVYABUHLHWW
PBZJSHBKPBZJHLJBZKPJABTHYJHUBTL
ZAULBAYVU
HW # 3a: Substitution cipher
Hint: use www.simonsingh.net/The_Black_Chamber/frequencypuzzle.htm
AVWJM VIPMY DPIYI WFJVB IPAVF DMIMB AJJDP KARMV IPMYM
VDPDV HQMAV DPMHI TDFLD PKMAR IBQFF AIJDP WPNMB ILIWU
IJMBW MWFIK FIIPM QFPMD HFDVP WPNMB IYVAM BIFVA MBMBI
VAPNW PNMBI YEFQR HLIAP YDQFB WPNDP EIRYB IWFMV WJTAL
LINVA MBMBI LDUID TWKAF LABIL NBIFE LDJIH QMJBI TWNIN APMBI
PAKBM LAOIW GDIRA RIWPM MDVFA MIWPN MBILI WUIJM BWMWF
IKFII PMQFP MDHFD VPWPN MBIYV AMBIF VAMBM BIVAP NWPNM
BIYEF QRHLI APYDQ FBWPN AMBFI VWGIH HLIAP WHFDD OWPNV
WMEBI NMBIF AGGLI JFQPW VWYWP NMBIY PIUIF RWNIW JDQPN
WPNMB ILIWU IJMBW MWFIK FIIPM QFPIN MDHFD VPWPN MBIYV
AMBIF VAMBM BIVAP NWPNM BIYEF QRHLI APYDQ FBWPN BILLD
BILLD BILLD BILLD KDDNH YIKDD NHYIK DDNHY IKDDN HYIMB
WMJWL LMBIF IAJWP NMBIL IWUIJ MBWMW FIKFI IPMQF PINMD
HFDVP WPNMB IYVAM BIFVA MBMBI VAPNW PNMBI YEFQR HLIAP
YDQFB WPN
Example 3
HW # 3b: Substitution cipher
VBIPA
IJPIE
IGDLA
IRVAM
IFJDT
MADPM
FIJKD
IDGAP
BDQLN
MDMBI
PMBIE
IJJWF
MAEWL
BWPDM
MBIIW
DVBAE
NIPMA
ADPJD
NIELW
JIGWF
DQFJI
YTDFD
HWPNJ
BIFWP
FMBMB
BMBIL
MLIMB
TRWPO
FIMBI
WMADP
DTBQR
PIGID
VBAEB
NMDWJ
IJIGW
WVJDT
IRWNI
APNFI
EWQJI
WPIUI
GLIMD
BWUIE
JQRIW
FWMIW
PWMQF
EIPMF
SQAFI
JVBAE
PMJAM
NAJJD
DPPIE
RDPKM
PNISQ
IWPND
IJGIE
JMBWM
BARGI
HIEDR
LUIMB
MINMB
BIGDV
WLJMW
TPWMQ
MMDMB
MBIYJ
LMBIR
Example 3
HW # 3c: Substitution cipher
• KFCPA KTAKU NJWMC AFKAY YFMYC
FKAYP AKTMY CPUMX FJKCF BATKF
VMKWU ACMWW JXJZM CUYAK CPUBF
VXFBA KUVCB MWCYP UKVSQ MNMXY
HW # 3d: Substitution cipher
• HLIOK ZZIOH KOWIV HGACR AIBRX
LHMGN ROHLK HOVRI MVIXK HLIBO
PMGNC IZXIA KOHIB HLKMO GVRIH
FXKHL IBONR OZGJR OKKVK ORJGS
HW # 3e: Substitution cipher
• WJCFH EWHLR JATZB IRJQR JRHIH
LIOJR DIBTI ZJVLO MZJTH OGRVR
HFZJV RMJWH TOBIZ QWOHH LIQWB
MIBZC QIBHI RJTHI RJ
Resources
• www.puzz.com/cryptograms.html
• http://www.esg.montana.edu/meg/consbio/
cryptogram/crypto.html
• www.simonsingh.com