DOC_1.PDF

. 
DOCI;D: · 4050988 
DATE: 
REPLY TO 
ATTN OF: 
9 June 
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sueJEcT: 
CIA KRYPTOS Sculpture - Challenge ana 
esolutiO:ri. +FOUO) 
-
INFORMATION MEMORANDUM 
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D/DIR 11!!:_, EXEC/DIR 
THAU: 
1. 
-4FOuor The KRYPTOS sculpture, located at the entrance and 
in the courtyard of the new CIA headquarters, consiJlts of a series of 
stone "pages" containing code which begins as International Morse and 
increases in complexity as the stonework extends intlo the courtyard. 
Inserted between …

rr LIM CLCASSIEEND iene

4050988 o ° “ DOCID PDXVKP- CULPT IPHER THE KRYPTO EMUFPHZLRFAXYUSDIJKZLDKRNISSHGNFIVG YQOTQOUXQBOQVYUVLULTREVIYQTMEKEYRODMED VFPJTUDEEHZWETZYVGWHKKQETGFQUINCE GGWHKK2dDOMCPFOZDAMMIAGPEFXKHOQRILIG TIMVMZJISANQLVKQEDAGDVFRPIJUNGEUNA Q2~2ZGAZLECGYUXUVUEENJTJTUTIBILEQOCRABIDEFHIRR YIZETKZ2EMVDUFKSJHKFWHKUWOLSZFEFTI HHDDDUVH2DWKBFUFPWNTDFIYCUQZERE EVLDKFEZMOQQVJULITUVUGSYQPFEUNLAVIODX FLGGTEZ2PEFKZBSFDQVGOGIPUFKHHODRKF FHQNTGPUAEHECNUVPDIMQCLQUMUNEDESFO ELZZVRRGKFFVOEEREXBODMVPNFQKEZLUGRE OH Et et fl aa qm e HW > Hm = > h_A_m DNOQOFMPNZGULUFLPMRIQYALMGNYU mH Ss mn OHO HOZ An DH zh O NO Z YUOH ae a…

“pocrp: 4050988 See EF SPORE PART 1 Cryptography: Periodic Polyalphabetic Substitution employing 10 alphabets Plain component: Keyword mixed sequence based on KRYPTOS Cipher component: Keyword mixed sequence based on KRYPTOS ‘Repeating Key: PALIMPSEST Index letter: K P: KRY PTOSABCDEFGHIVJSILMNQUVWXZ Cl: PTOS ABCDEFGHIJJLMNQUVIWKZKRY C2: ABCDEFGHIJIJLMNQUVWX2ZKIRYPTOS C3: LMNQUVWXKZKRYPTOSABCDIEFGH ITA C4: IT JILMNQOUVWK2ZKRYP TOS A BIC DE FGH “CS: MNQUVWX2KRYPTOSABCODE|IF GHITL C6: PTOSABCDEFGHIJLMNQUVIWXZKRY C7: SABCDEFGHISJILMNQOQUVWXK ZKRY PTO C8: EFGHIJTLMNQUVWXKZKRYPTIOS ABCD C9: SA BCDE…

"· 
I 
DOCID: 4050988 
PART 2 
Substituti0n emoloyina 
I 
-
-
~ 
Cryptography: Periodic PolYalphabetic 
-8 alphabe_ts 
Plain component: 
Keyword mixed 
Cipher component: Keyword mixed 
sequence based on KRYPTOS 
I 
sequence based on KRYPTOS 
Repeating Key: 
ABSCISSA 
Index letter: 
K 
P:KRYPTOSABCDEFGHIJLMNQUVWXZ 
Cl : b.,_ BCD EFG H I J L MN Q U VW X Z KRY P T 0 S 
C2 : 
12_ C D E F G H I J L MN Q UV W X Z K RY P T 0 S A 
C3 : .s_ ABC DE F G HI J L MN Q UV W X Z KRY PT 0 
C4: ~DEFGHI JLMNQUVWXZKRYPT OSAB 
C5: IJLMNQUVWXZKRYPTOSABCDEFGH 
C6: SABC DEFGH IJLMNQUVWXZKRYPTO 
C7: SABCDEFGHIJLMNQUVW…

MRJQYALM GNUVPDXV KPDQUMZB 
EDM HDAFM JGZNU PLG 
ENDEGREE SEIGHTMI NCTESFOR TYFOURSE CONDSWES 
EWJLLAET 
G 
TIDBYROW 
S 
(FOUO) Respaced and punctuated, it reads: 
"IT WAS 
TOTALLY INVISIBLE. 
HOW'S 
THAT POSSIBLE? 
THEY 
USED 
THE 
I 
EARTH' S MAGNETIC FIELD. 
THE INFORMATION WAS GATHERED AND TRANS-
i 
MITTED 
UNDERGROUND 
TO 
AN 
UNKNOWN 
LOCATION. 
D0ES 
LANGLEY 
KNOW 
I 
ABOUT THIS? THEY SHOULD. ITS BURIED OUT THERE SOMEWHERE. WHO KNOWS 
I 
THE EXACT 
LOCATION? 
ONLY 
W.W. 
THIS 
WAS 
HIS LAST TRANSMISSION. 
THIRTY-EIGHT DEGREES, FIFTY-SEVEN MINUTES, SIX PbINT FIVE SECONDS 
I 
. 
NORTH. 
S…

' obtro: 4050988 
PART 3 
-(5cJ -
(uJ 
Cryptography: Keyed Columnar transposition 
Matrix size: 
Incompletely filled 4 X 86 
Specific key: KRYPTOS, numerically keyed and repec.ted 13 times 
(first 12 columns 
list~d below) 
Route: 
Bottom to top 
SLOWLYDESPARATLYSLOWLYTHEREMAINSOFPASSAGEDE 
I 
REMOVEDWITHTREMBLINGHANDSIMADEATINYBREAGH 
I 
LEALITTLEIINSERTEDTHECANDLEANDPEEREDINTHEH 
I 
LICKERBUTPRESENTLYDETAILSOFTHEROOMWITHINEM 
1 
1 
1 
9 
8 
7 
2 
1 
0 
BRISTHATENCUMBEREDTHELOWERPARTOFTHEDOORWAYW 
I 
INTHEUPPERLEFTHANDCORNERANDTHENWIDEN]NGTHEH 
I 
OTAIRESCAPINGFROMTHECHAMBERCAUSEDTHEEILAMETO …