Kryha: 7th Problem

SIS - Munitions Building Washington, D.C.

 

March 20, 1931

 

            My dear students,

 

I asked you to study the Kryha machine.

 

Here is a little challenge inspired by my friend

Parker Hitt.

 

The subject of the messages is the Panama Canal

Affair (1903).

 

The messages are in English. The words are sepa-

rated by the letter J. All the messages have been

encrypted with the same key.

 

Good luck!

 

W. F. Friedman

 

 1 - N B I K N Q B H Y F G R R D P K D V F R S

 2 - A V S T Q T U M X H Y M K Y B K P P D L G

 3 - L F L V R S B J G M V S S O L G Z I O C V

 4 - A Y X V H H W Z Z W G W F J R T W V B K S

 5 - J S K P A X J T J B G I N U U C P V X X B

 6 - M G D A R F Q J L Z O O T U A F Z K N A W

 7 - M G F P O Y U X Z P S R D X A L K A O Q B

 8 - M M H V R E N U V S D O J Y Z L C I M N V

 9 - R B K A O Y L X Z K W O V P S K K Z J Q W

10 - I P T T C N W U Z B N U I H P Q L K N Y L

11 - J I S A V Q U U Y X M K F U R M B L B M A

12 - M G F P X Y P Y P D K I F M W K K C S M Z

13 - J S K P U B V Y A S Y X I X U F L F J H P

14 - N B I U H Z S Y N W X J T F U L C Z F X I

15 - V Q J Z S Z L X K C F Z N N A M B L B N V

16 - I Y X P F G H H Z W M W R E P G O E D Q B

17 - M Z N Z W E W X V W S H C G L P Z V B K S

18 - J S K P J M F H O U N F S T R J J C Q U O

19 - J I Z P F G D J X H G F T J X P B X M Q E

20 - I Y B P X Y N Y A V O B T I L G K N R M

21 - M G F P S B K P W J H P I J Z P U K

 

1 - NBIKN QBHYF GRRDP KDVFR SEVLS THLBP HBKJA

    CESHK PPYTI OJKSL SFGXC ZENAK UMEQO EHPXE

    FZTAE IBVXD VWBRN BFSUD PUSOT ZADBS PMHBQ

    EVWOB GMAIZ BKNEE FTRGV WXEQO EIUWO GFADN

    NQYGD ASTNL QHCOI IANRM CINZB HCBFW TUPMK

    NDJYK YRDKV SWZMD DPDPD NVVVQ JXUWZ XFRXU

    BPRDR MTEUM DJQIB YNWXF TIWLX AGUEH XHAVJ

    OCEFW UXKFN VRKXG JFTVB MBZQU NIEAA TXSON

    HBLWQ XYYJR EROKS WOADI IPY

 

2 - AVSTQ TUMXH YMKYB KPPDL GQAQU JHLKW TBCYK

    REGHT PGZKC

 

3 - LFLVR SBJGM VSSOL GZIOC VBROI NHRMQ SMWIH

    ZRRNE

 

4 - AYXVH HWZZW GWFJR TWVBK STIKS CXUDZ AYRAU

    QECZT VJCKB JOC

 

5 - JSKPA XJTJB GINUU CPVXX BBGGV UVGTR YTRJH

    SOHUN

 

6 - MGDAR FQJLZ OOTUA FZKNA WEAKC BXGJS XIYGN

 

7 - MGFPO YUXZP SRDXA LKAOQ BZESP NREWE Y

 

8 - MMHVR ENUVS DOJYZ LCIMN VHIQV

 

9 - RBKAO YLXZK WOVPS KKZJQ WXCKQ JWX

 

10- IPTTC NWUZB NUIHP QLKNY LHABS NLHBO CNXMO

    CEMSP IKZAM AYVEO

 

11- JISAV QUUYX MKFUR MBLBM ABFYW NKIKE AZLV

 

12- MGFPX YPYPD KIFMW KKCSM ZMHGH JXBOS R

 

13- JSKPU BVYAS YXIXU FLFJH PT

 

14- NBIUH ZSYNW XJTFU LCZFX IVVKB N

 

15- VQJZS ZLXKC FZNNA MBLBN V

 

16- IYXPF GHHZW MWREP GOEDQ BTXBC PXJIR RKLJP

    JTBZN PGTTV O

 

17- MZNZW EWXVW SHCGL PZVBK SXALC BX

 

18- JSKPJ MFHOU NFSTR JJCQU OT

 

19- JIZPF GDJXH GFTJX PBXMQ E

 

20- IYBPX YNYAV OBTIL GKNRM

 

21- MGFPS BKPWJ HPIJZ PUK