SET 1: DIRECT STANDARD ALPHABETS, DECIMATION, LINEAR CIPHERS

Due 1/9/01

1. Encipher by C = P + 11 (mod 26):

If you bow at all, bow low. --Chinese proverb

2. Decipher the following message, which was enciphered

by C = P + 20 (mod 26).

ZUFF MYPYH NCGYM, MNUHX OJ YCABN. --DUJUHYMY JLIPYLV

---------------------------------------------------------------

Solve the following cryptograms. (See format/rules for crypts.)

3. Direct standard alphabet

VA TVIVAT NQIVPR, FRRX GB URYC, ABG CYRNFR, LBHE SEVRAQ. --FBYBA

4. Direct standard alphabet

EJ HEBA, WO EJ W BKKPXWHH CWIA, PDA LNEJYELHA

PK BKHHKS EO: DEP PDA HEJA DWNZ.

--PDAKZKNA NKKOARAHP

5. Decimation

SD UWA EQBSLY VW VNY NSINYQV BHEOY, SV SQ RW

TSQILEOY VW QVWB EV VNY QYOWRT, WL YFYR VNY VNSLT,

BHEOY. -- OSOYLW

6. Decimation

AH AE HXO UBOCHOEH SR CJJ MAEHCGOE HS LS PSHXAPU

FOICKEO WSK ICP LS SPJW C JAHHJO. LS QXCH WSK ICP.

--Sydney Smith

7. Tip: the

JMKZX NE JEBM AEEF REECG. NHMZM KZM NZMKGUZMG OX

REECG NHKN KJJ NHM QEXMW ET NHM IEZJF YKXXEN RUW,

RUN NHKN NHM LEEZMGN JKREZMZ YKX HKBM TEZ XENHOXA.

--ZERMZN A. OXAMZGEJJ

8. GOOCPN ISMP PYAZN NS UGWC G BCK UYONGWCO.

YB RCSRVC EGT'N GEECRN ISMP YURCPBCENYSTO,

NZGN'O NZCYP BGMVN.

--David M. Burns, M.D.

9. SUUZ IR CIKRC ERD PTU MTERMUY EHU WIG OKJJ YPGAVJU

IR YIAUPTKRC, ZUHTEZY OTUR WIG EHU JUEYP UFZUMPKRC

KP. K TEXU RUXUH TUEHD IL ERWIRU YPGAVJKRC IR

YIAUPTKRC YKPPKRC DIOR.

--Charles F. Kettering

10. LF BGRTQW NRZARSK RTSBFQCFB LPKG KGF ZVBKFSAPFNFB

RO VSK VB LPKG FUVQKFW AFSBRIVXFB--BKVIW JTPFKQD

EFORSF KGFZ VIW LVPK KPQQ KGFD BAFVH KR TB.

--VSKGTS BNGRAFIGVTFS