• --=-- -

. 

-

' 

..... 

..... .. ... - ... I :.O•• .' .. ~ • - ..... I...... '"2. ; .,. •• I "1f:•- .. -.'L 

::- -· - .. 

,. "-.- .. ..,. .._, ~ ... .. . ,.. ..... - " 1 • • ...,-:M~i. ·- . . . 

P!zret 1aeu.d in 1018. 

-=·~ebt--112pbabeticai eoae Gl18,11110 ~:~ t"-

cotle •Jd>o1• 11114 t'r'1e ree.d!.nga. !"hat 1•• the •JJl>ola 

a4 U"..te readinc• ocCU1' 1n nee.rlJ' alpbabetloa1 order. 

Saeh pa.ae baa two coluama ot code ~1•1 the. r1gbi; 

l:lllll4 co1mn ropnsent!ns the oa 1°""1 W"2'da, pbraaoo ad 

_!lmtencea. ..S. up or a eouonant • YOWe1• cam1onant. 

WMel.• oanacmant. !he left band C:Ol'U'tln r9ja'eaifita. --.==:...:- -

w.eamm worda, proper we•. ape'li1ns ~- cetera. • _._ • -- "• -- ,. .. T I • 

llt• 

lb.t.a •J"•ten ha• no cOllft4ent1a1 character 11!latever 

m4 1a ~ ror ecoraq- P111tpo•e11 • 

. • •f;r!blit;f.op.1 

... ~ l:ILs 'been 4tatr1wted to ell ldealcna -4 

oeaaulat••• ... 

" . 

. - .. ... . ' ·~· .... 9 

. ,-, .. - ..... :ii. ' ,. I"'~' 

- .. ,..._ - .a. .. 11.M- I 

@'pp roved for Release by NSA on 04-10~2014 pursu.ant to. E .0. ~ ~s2a . -. -_:~-====:::::;;~=~:~=--:....:.· ·c_·-- - - . - - -. - - - - -· __ ·. ·~_.~ __ -.--:~ - - ___ .:...>IO" _o!!l!I! _____ --__ 

...... __ . 
- -- ---- . -- ---......... -- 'W-.,r-

-''• -: __ 

:mj--- - REF ID: A67 3·45 _-..... 

- I 0 ~ ,.0 

.... I 0 - ... -- .. 

-:-_ - ~-

-!-. 

_rt" 7..,,_ ... ""' ~ :r :r1'tlfr·~ = :"-::~ .. _ } ;-...i...., _ ...... ,. __ ~- -· -- "' . - ·- ..... ·-- - .. 

amndat••• 

- lbf.JI alphoi- uae4 •1 i:h the Orq Coc1e e~1!et1 ~ w~ μ_i./' <;-- • 

"- two-PG't tables ot 'VV11ng oonatwotlon. 

···--

lhl• 1• a alu4 aode 1n t:wo Yo1_.,a w1~ 114.1000 

code •Jla'b01• and trwt :rea4!np. in tba enood.ina book 

tl» vue rea41ns• J.'lll'l in a1phabotloa1 01del9 and the .-

IJ'A"bol• ld.x'4J 1n \he deood!ng book the •Jabo1a l'Q'll IA 

al.pha'bet1oa1 order an4 the true rea41ns• are at.xed. !here 

S.1 no 10-0A11e4 11eft band.• •lda to the book• one •~t 

••!•• ~ o04o .,aibol• and true rea41Js,ea. n. •Jllboh 

eo er the aonaonant, TOl'01• comommt. "YOW•1• conaonent 

and the ot.ln8onmt. vowel. oonaon11nt, con11onant. '90'We1 tnae•• 

anr a!.nce the 1eawmco of thia oode it bu not been uaed . 1tithout the application ot a ciphor to the ao49 .,.t>o11. 

!be oiphe:r ocm•1•t• ot ten wo·p~t table• ot y~ 

aautru.otla and new table• haw boon 1ane4 bequentl7 

. __ ,., .... _ . .,_.--..,,.,_ - ~ ··-~ ":.."":. ·~":,:.;.:i.:.- -- =-~· 

-- - --- -- - --- --- - - - ::::.. .... -.:w ,, 
lltl 

REF ID:A67345 

•I• 

bn tnit1all7 1eaue4 th1a oode and o1pber ... 

11114 tfll! the tranm:da•!on of hl&blJ' oontlc.!ent1a1 corroaJO;rld.ence. trouevott. u aew Qllt8E".a were ~oe4 and 

lawed it bu be~ uaec! £or tba tranam!aalan ot lntozw.tlc:m. 

~ a 1••• ~tlal c'haftcter. 

Jllbi'but~-· 

:rnlt;ia117, tbe 41atr1bu,!on ot '1da oo&t waa oonftned 

'4:1 d>aae1ea an4 1ega.t1ou cad. aubaequantly !t wu di•-

blbute4 to oerta!n btportant oarundat••• !hle code and 

o1phei- baa now been luu.ed to 1"ortJ"-nine .S.1a1ona d 

tort:r-one eanl'U1ate1. 

llP£1UJ 

ft i• ot pe;ruaount ':aq;•tanoe to the ~t to 

-1nta1n a aeorot •Ma ~ 002lcun!Cat1one !hi• Coda W111 

r .. tn •ecrct ord,- ea long u the rul.ee '°'emlng lta ua• 

Ar" atr-lotl: obaer'Nd. 

Ill Cll'd.er to laaure noro07 tho oo4e aJJibola appeab1£ 

tn th.la book •111 never 'be tranaml ttea. .Ill meaaace1 •111 

'N 4JD01pherod \),- ..ana ot the tab1oe uc~ thi• 

beak. 

... 

--..:. -;.-- - -= >-~ ~ --._ ~ - -; -; r :_ -- - -- ------- - -------- -- - - --- _j ___ ... ~ 

- ~- ':':,. 

... - "::11?..ir...::=o-:. 
i -=--=====~=::::::~~~~-~-ll!!!IJ!-~~~-.... ~~!!!-!-!_!.-~,,~-=-~,.= ...... :::: ..... :!&;;:;,: .. :.. ::;---_ ... . ; REF. ID.~A6:734$-~ · ~~ .. --~- _ --. :. -- -- · ~~ 

\ ·-- ' 

... .. • .I ....... "" I • ..... - •- -· • 

:.~t~ ~ -. - . ' .. "'' - - """::_-d:..: 

.-... - ... • !,_-v; ... __ .. - - -·-=-= .... :r ... 

book. ... tables •111 be 1aaued. a..S.annuall7 • 

.All .ae>Nnda Uled 1zi 'he proparat1on r4 a Gode . •••R.P 1'111 b(t 'b~4. ad the uho• removed or 4eatro7ed. 

U•• .iternatel7 •• the 1n1tla1 letter ot the code 

aJ1ibG1 the lettora de1lgn.ated in the toot n0te on eao) 

·P'P• 

Vae var1a:nta tree17. !he rcCNJTonce ot 'be code 

~o1 ffpreeentlng ocmr only uaed phruea • worda an4 

pmcttuatlon UX'ka 11 ti. pi-tnolpel de~• ~ code 

-~•in mAld.nc down a aecret eo&.. tbaretore !t: I• - -

abao~u~o17 inovftbont on 4m'l"1 person -~ tb.1• oode to - -

UH 1n.var1abl7 a d!ttonnt varltm\ It# pbraa••• wor4-

m1 pinotU.tlon .arb l'epeatocf in a •••aee• 

liiiitual oOim:mn!citlcma wtn - enoo-w li the .... 

••• - -------

.. true rea«!n& ot a •••ac• aeint oz. na11Te4 Jn 

..ala oode wlll not appear 1n the oon-oapondtnoe t11e. A 

••~ate cont14ent1al t11• will be maintalned aocea1lble on17 

to peraona du17 authorlae4 to bave know111dot ot th1a code. 

-Glder no e!rouaetanooe 11'111 the Ter\Mt.U. text ot a A • P • 1 I "" ...... • ( I I ... • - "P .. ,. • JI~;.,.. 

•11ilm'!lir.11-jr.r:q=--jr--1n th!"9 oo4it 'be CcmrMnioa\94 to otbara tban offlcera • • • -- ._, • ...... ol#ltltl• I ... •• "' " :.. - ... I ........... .... ..-;::;;::::- - • • -· I I I 1 

ot the Department ot state. A oar~ para.phrue will be 

- - ., .,,. --_,..._ "' . 

, "- ,, ... r .. 

I ----· - - • - - -~ • -ii::,P. .. ::..,. 

!-~---~------ -- --

, 
.... .. .. 'I I - n - ~ -

REF ID:A67345 • ~---- ---- ·4 

·•aI ..,. ._. 

-.. ' ' ·ti $.All 

rtnt laau.94 ln 1088. 

lhe conati-uotion ~ th.ta code :l• h aa'llft u t:be 

A•1 Code wltb W-000 oode _,.o1a- and tzwue :ral41np. 

•inc• the i•auance 6f' thta oade l*s baa ne•e bee uaa4 

•lthout the applicatlon ot a cipher. !ho olpher oonai•t• 

tit ten two·~ tablee o! w.rJing eoaatruottan m4 new 

t:&'bl•• have been 1a1ued bequent17 conr!nf; ftr1e4 per!o48 • 

... 

IJJ!d1~17• u W1th tho A-1 Code• thl• oo4o ~-

__ Hd.ed tht A-1 Code ~or ti. wWl'd.eelan ot ~1!!11 cantl-

·fptlal Inronatlon.. 

-Clfi£1bu.~lon1 

l'be S.nltlal dlet:r1but1on ot tbi• oode wu llmltod 

to baportant 111.aalona. It wu gri.dlMIJlJ extended to 

1111 ataalona. lt 1• now Jn poaaeaalan ot ~°"7~ 

11!.aalona. tt baa not been lesued. to q- eonaul.atea. 

1MF.lt.x1 

~ Ol'd.er to !nsuro aeerea: tho code •-o1• •PPNX'lne; 

11a 

- - - - -- - - - - -- -- - - - - - --~ 

-. _;. -

-----... ~ 

~--
- ------- I --... ~ • ••-

-REF -ID.:A673A5 I .I ·~ .. :.:=.. --

-e-- - i .. .. .. _ ..... • f "'\ 

~ ~ --... - ---

- t- -... --t ' ' ~ 

la tht• 'book •ill aver be tzoanszd.tted• AU ••••s•• 

.Ul \1e eno1phere4 1:rJ •&na of tba ta'ble• aco~ 

th!• bock. lew '•blea will be 1aaued q,u.arterl.J• 

.AU wranda uaed in ti. preparation ~ a code •••11£9 

will llit lniiiiCd, ad the allM• SWI0'1td or deatro,.o4. 

v.. 11tomate11 u tho in!tial 1.tter oi tho code 

itprl>ol the letter• doa1tpated ln the footnote cm. each page. 

V.. ..e1anta treel.J'. h JIOCUft'onoe of the oodo 

.,mt>o1 Hptoaentin6 oo.mon17 uaad phzruea, Wl'da, ad 

-·~~on .arka -1. the ~!,al depoiJdenco at code .. - -- -

uPll'tl Ill 'brea.Jd.n£ 4-1' & ••crot oo&t. ~e.toi-e it l• 

ab101ute11 memdbent an ·~ pe.-aon. u!n(: w.. codo t:o 

ue !nvai'!a"bl7 a 41.r.f'arent: ~iant tor phr~ea, wardJI• 

Ind. pmotua.tion 1111.l'ke HPl'&ted in a •••&e9• ~i a~oatlw .s.n-,,. cco414 !n tbe Green 

Code. 

lb.e true readine ot a •••ace aent or !leae! Ted 1n 

tbh oode will ut appea- ln. the oorreapcmd.ence ft1e. A 

11Qa.rate eont!dentia1 file wS.11 'bo malnta!nod acceaa1b1e 

cml7 \o per1one dulJ .t:t.or1aed to ban knowle~o ot '1de 

aode • 

....,_. llCi o1numatancea w111 the ver\>at!m text ot a 

.... &Cit ln th1ll •Ode be .-mun!oated •o other• than ottS.oera 

ot 

-

, 

.... ~ 

"I 

.. 

-Ii 

j 

• 

I 

...,...._... --- - - - - - - -:-----------.. --------------.. -.. --~-: .... ~=--:.._ ~-=-=--i ; : .: -: - -.; ~- -=-=~ -- - - - - - -- --- - -~ - -;:.~_... -- --~. 
·-· -- ~ - .. REF ID-: A-6-7 345. · • --r ; _,.. --"t"-.:. 

. ., . -- ~--- .... _ _:_ \ 

otrloer• or the llepartmcnt or ltate • A care.tul. pctaibru1tt 

will be 1"ub1t1 tuted Whim 1.ntend.od tor other a. 

jfll,lkJy;\101'\l 

G 11 a lllM4 oo-&, eie 1i58li idl! 4eea4o be!na ~ 

~--~, ~G- le•°"' 06& -1_.'!a M! bui :rn41l189• 

.. c~ •,mbar. di or-'h ooiiiOftiliit". i'Oill1. aor1'ond!lt • 

. P"Oia ·a~Cll'iafiti-ahaitaotw amt the tlr•t and uoon4 

c.lmitonlill= are -'1e Q. or ·the t!N-i- Ullit;een l•ttv• ot 

Ge it•""· l atl-Ui(a:t :iriiii-oha."1e8Dle l•tter• r.. 

the ni-at d tblr4 letter• ct ti. code Qtltala taken 

-..... the 1iat lMi1t ~ the alphabet 1• proY!ded. !h!• 

~, the ame aa With the A•l atl4 B•l, !aaa Nlftl' been. 

G.4 rit!lOut tiii ~o&iion at• olJMr. ._ oipher 

ocm.1tati or ttm two-pet table• ot ftllJ'lng ccn1truotian 

ad nii-tablea haft 'been lawed . .trequent11 ccwor1ng 'V1lrie4 

JIG'loda bwom two to ti" .on&. 

Ill• 

When 1•8WK1 thl• oode wu uo4 to tranad.t b1sta17 

ODDftdentlal ~omatlon "Whloh tozwrlJ' wu tranml ttod 

-.. --- . - - - - -- - -- .. . . --

.. ,·-·~ - .I'-,.~·-.----..;;.- .. - • • '" - I :.::..:....-::... .... _ - ..: .• ~---- ~----- - ---

--- - --- ... - ---- - --- -=----- ----- a.. ........ ~ ...!!'·-"'-.!"':.. __ ,: __ • • l · ·- •ran· • - · ;:;-e-- ........ ± .. ~ . / ·! ·z ~:=i!:..-t.~i:::&_ •• __ - •• j - - .. -- ------ --- ...... -~-- -: 

-- ~-;_-
:-:··. BEf-_ rn: A67 34_5;~ . 

. -... .,_ ' ---

a•a1~t.1,an1 

. ... . ·~ 

-' 

JD1t1a11J ishla ayltern WU &!Yen I. ftrJ' ls..lted 

d1•t,J'ibut1cm. Jltwner, 1t wu gn4ua117 utendtd unt!l 

It; la noW:ln j6IA11:!.on of tort;r•aeTen embanle1 end. 

1q&t!o&Uh 

lilM'!RI 

A. le Pl'O•eM'C the aecro07 ot thla oode the a,mbo1• 

appelJ'ine 1n iibe 'book sit rwtei' 'b• trana:d tte4. AU 

-nee• m1t be tne1phee<! b7 •mut ~ tbD ta'bl•• 

acoocvq!ne thl• 'book. 1'ft tables wlll be taaueo. 

perj.-odloall7. 

1.. •••11£•• ~ ln th1• oode -..t not 'M trana• 

ld.tted b7 wlre1•••• A 4etinlte 41rect1on to route da 

oable abould be ln4or1e4 on each ••oace. 

•• Uid••• the oh1.e!9 ot sd•afo.n take• paracnal obep 

ot '1» ca. 1- wlll 4ea1cnate a Jlied>er o~ hi• atatt, ai . ott1oer ot oaoer, to be peraonal.11 reaponll1b1o ~or it• 

oato~ and ua. 

»• At least cnoe a ~ a Gheok J!lUSt be mdlt to •M 

that tho oode la intact. .I. t'eCOJ'd. ~ th.la oheck .•111 be 

-49 tar the ~ts.on ot the lhiet ot ml1e10ll• 

•• When !.n uao the cede must a.ewr ,,. 1ett. nen 

101 mntu117. unle11 t'UU'4ed 111' a oaroe ottloel" at' an 

~con _,10700 Who ha• 'bMD authorl&ed b7 tho Departuent 

to 

- - - -- .• ...... ------..-..~--d--~-~-~--~-w·~-~-;-~~~ -cts- • ., I ii' I 'I -=-·~ • -:;--• • -• • --• - -- ---- - • - -- -- -- ---- -- -- - -- • _, - ..-;- .. -==--~ . ..!..:.. --= - ..___ --: "'\'1..11~ -

----... -----
-'---!.- -·- - .. - - .. ..,-Y... -

... 

.. ~ .. ... .. . .. .. - .. . . ~ .. _ .... •...:. -- - - .. -L.. ·- .. "! 

to ~•• the oode. When not; ln ue 1tJ mat be kept in a 

locked ~ ot the 1ata. Jn the •"Nnt that b 

Mfe-!n tlui" li1••1on 1• without a locked. ~t, the 

iiCli l!l\Ult be aeal.ed eaoh tbie atter Wlin&• 

Ft !he uM ot .\lhia oode riuat \e .!reitfitc1ei lo ·careff 

Atntv' ~4 auoh other an1oan emplo,eee ot the Po:ro!cn 

6.rvl~~ wfu, ha~ \,t,~n qiiftlc~l7 ~~tliorizea bJ- \he·· ~ -~ 

--~t to bave acaeii ·~\o·. -·- ' 

_~f~ ~~ "iio -cf.n;matanoe--ihlll -. 01~1 • .,. ca- aub3•at 

iii i".fo~6lp QWe!'J~ttt--~- ~c~~~ to. (4." m- ~t,-

it 5~. '·iii~ ~· o~ li&-fe b~edg)i. tJnt0\1£&. -taldnc 

·~oi~if~; ~~ ~'itw~lsi~ .-·if itii'iliica Lti~teit !n th.tis 

.... - - - - - .. . .. _ .. .--.• - - - :,;· .. -...:. .......... __ .. - "'~ .... · ;:, s.......... .. -. 

;~~-.. ·a ofle?1na1 onl7 -will 'be -a. o~ •••*P• to 1'. 

:firiDUite! fi -thlil ca. m a~gYll.ll1iic notea, oarl>im 

jQif;-WFmi!i,·u fthR-utarlal u.aea ln tm ~vt.tion - -- .-~-.uaqe 1iilft b.. l>umea. -· -· · ·- --

-Y-• 'lnoodlng ~t· be ~ h. \~ otil-cllifii aDi:,r. 

"• Interchenpable 1ettera 4oaig;a.ato4 :ln tho footnote 

mi tl!li P'Q;• amt ~ uod. u the ·wtiai and tld.rd. lit~e 

~the codo 1)dJo1. 

L Variants have 'been J)%'od4ed fol" the c01ZIC01\1.1 uae4 - -. ,,. - ... , lo".. ... - ,;, - •• •"" ·-... .. .. ,.._ -

Jh'u••· worda and pqnCt'Jat1on -.,;aka. - fit. :iaeld-renda ar 

.,.a,oia 

.. - - r 

----... 

... :'::_:-.. :-· :-· -·"'"'~~-- . - -- ~ - - --- - ---- ----- - __ :_ -- _____ . .........._ ____ ---- - ~: ~ - ·:_"' __ .. _ - _::_:_· -- - ~,..,...,. __ _....;-~-~--==--;:;: __ -~-~~-~ 

·------------~~~· - . . ~- • I. l . ·-· - - ---·--
-REF ID :A67345 

-10 ... 

Qllbole rapreaentins them 1a the p:th\cipal. &.pend.enc• at 

coda expert• 1n 'breaking 4own a. code, and there.tore it la 

1ru.nmft>ent on •ft%7 Pft'•on u11n4 this aoc!o tc use 1n't'ar1ab17 

a 4Ufarent 61."oup tor pbraaea, words, and punct-:J&tion 

.ark• repeated 1n • me11ap. 

z.. ttestual. oOJlldlD'dcatione ot anJ' cbaracter wb&t•T•~ 

-..t not be encoded ~ 'h!• eode. 11ae the Oroen or Gra7 

Oode ror thi• purpose. 

'; _.,;. _. -- .- ::- -- - ---=-ti Co4e 

9£!~•t£.U;Ct1gnt 

-~-.91!• code with_ eo.oco code Q1i'l>o1• and true rea41nt:a, 

s.a •lid.hr 1~ oonatruction to the C·l Oode except that 

'h• t!r•t and third lettera of the code a711'bole arc l!ad.e 

up tron 'tho lo.at halt of the alphabet and. tbe 1nter~ea'b1e 

1•\tera F• taken .frotl tme tlrat baU ot the a1pba'bet. < I 

~~a o!pher te.b1ea changed at vai71nc per!.ca. I 

d ot ~oiUI t1P1t• ot ooriltruct!on haw been uaed w!t1i 

th1• c~. Xaoh miea!on is IUl>Plled with .. aptem to 

om:m.od.cate wlt;h the l>epart!Unt: cml7 d a •7etor.i tor 

s.ntt"O'lntftui~oat!on 'bebeen t:he aftlcea t.o whlcll !t bu 

'btlJ iaaued. - I 

I 

I .Ju 

I 

I --- .... 

_, 1 

1 

,,,=- .:;---...... 
~ .. _ .. ;, .. -

REF 

!9' 11 - . _ .. _- -

.,,, 

.. J> ... 1 Co4e INPRltt!ed ti. c-1 C04e r. the trrm•• 

lllaalon of .. ant and b1gb17 oontldantlal •tter trm . 

9he att'lcea to 'Wbloh l\ ba8 tleen 1•"'911• 

JltJir!~1a1 

a. 4!1trf.butlon ~ th11 ooda hU 'been ocmt1ne4 to 

a:Sx ~t m!ut.ona. 

llflCtz• 

&. l'o pre1eno the Htn'Day et W• OOGe the •1lib01• ~ 1n tho book -..t nner 'De tr81\l!d.tte4. AU 

111napa mat be enoiphered bJ' mean• ~ the table• 

anar4PGl11'...nc W.• book. ..., table• •111 be 1•1N14 

pet.ad!.08117. 

9, •••ace• tmeoded ti\ tb!.• nde m11t not ~ trari1-

llitte4 b7 w!H1e••• A 41tftntto 41reotlon w route Y!a 

aale ll'b..cNl.4 be !atoned on •eh •••&£9• 

e. VJ\1••• \ha Ohlet r4 ld.aaton take• petanal. ahiu-Sftl b eode, he w!.11 4ee1SJ&t• a mlEl•er or hh 1tatt, • 

ottlce of oarear. to be petaonall,- reapou!b1e ~- lta 

OUlt°"J a4 ••• 

»• At leut anot a da7 a ClheOk mu.It be lllt1e to •• 

-W.t tlbe oa4e la llltact. .1. ftoort! ot tbla check •111 'be 

.... 

- - - - ------ - - -- - - - - - - __ .. - -- • --.e· a • '"'·lie- - ~=±.~..,,.=~,--..:..;~- ~ -- .---f, --- --- --·--··--------- --- • - =f. -- t= -c.. , _. :: - I .. It' - - -
.. - . - I ..__,._ . - 4---; 

.~~ Ip,:A6J34~-=--

7.;,; u .:. ----.. 

made :. the Wozm.tlon or the lhlet ot .S.aalon. 

L lh9J\ lrl ue h oode 1111t nenr 1M left, ewn 

llODliltarll7 .. un.'leea guar4e4 'bJ' a oaNezt ottloer or a 

'-r!Gin mp1o,e8 Who bu been authorlaed b7 b Jlepartment 

to-~;"="tJ. ·co&,:~· wbm:~:aot ~ ~ 1~--.t 'be~ ~a 

~ .., ~t - - -- T "'I"!:"""'.'!:..••• ~ • -~· I "' - .. ·~·· - •• • • fa\ the • ~\ - -\l)w.t ~ • • 

:.,.. 

~ ~ 

lR Jihl 

llWtt 

.i.!J~ 

bet ••a1'4 

~· "-"'~' 

taoli ,., 

It ltllkd 

&ftn- u•'N.t• 

~ 

::!! 

-_ -- ! 

I 

! 

... .-.111:.:£.-::/ .. "'--e"""" ·~ -- - • .:..:.--;.-_-~':. :!r--_ - -----·-· -- ........ 

- _ _o,!, ~ ll!I• of \bta ....... t be 1'89V!ote4 to MrlV - • - - • • "' ,. ••• I• • 

. -lft'lctlrl • ~ othai •ri¥n ~~~ ~- ~ -~~ 

·lldfii WbD. bi.vo l)ocn ljaclfia&lb authorised b7 ti. - -

JJe~t; to haw accoa1 thereto. - -- - -- - -

,. "14 .. l&O oli-~•it ... ce tba1l. • ~t4~ or" ~~·ot 

H-a E"er•lp._ gov~t ban aooeaa to v • ~t7 

tD o'bltrft \he oo4e or baw knowledf:•- throuah.•akin.c 

d1atatlon or oth .. 1••· ~-·•-so• vanand.tt.d !n ~ • 

.... -· ·•· An orlglna1 cm17 will be 111.d.e ~ •••aae• to lie 

blln8!tte4 in W• oade., All atmographio natoe. eat4.Mm 

Jll»ID'• ~, ar other aater1a1 uaed. in the Pftp&rat1on 

ot a ~·ae• .wt 'be 'bt&l'ucl. 

-1. ln.ca4bB .... , t>o done~ tt. w1gfna1 on.17· 

I• ta~erc.'lqee.ble 1.t.ttr• 4t11gnated. in tbe i'ootnote 

- --- ~~---~-~---~-~--=~~~=========:::::::::=====:;;m~ .• 
-----~-...,..,...----... ____ __,.........REF ID:A67345 

•Mell pago 111a1t be 

. uaeet u tihe 1n1'1al a4 third 1•tteJ." 

ot tlba code eJllbol• 

a. Variate havo been JtrOdded ~r the oamon.17 uaed. 

Pb»••••• w01'tla and pmotuat1on mlJ'b. h :r.41\Wl'eno• ~ 

~ ropz-oaanttng thm l• the J1'ineipal clepen4enoe ot 

le4e expeta 11l 'breakizae d.Ollll a lode, anct tberetOl'O 1t 1• 

iaaullbent on ••917 peaon UlftG thf.1 oo&a to ue 1.9i'ftl'1ab1J 

a dittwent lfGUP tor pbrue•, wo!'da• and. punotuat!ca 

mra rtpeated s.n • -.aaee. 

z.. hxtuai ocmm.toatlone ot 8'T eharaoter whateve~ 

mat not be t1110o4ed. ill thta oo"-. VI• the aoncont14ent1a1 

Mdea for tbie PG'POM• 

!b1ll aodo la a Jdxed code 1n two 1'01mea oontainlng 

IM,000 oo49 ·~and. true na41no• b Q'd>ol.11 .-e 

ladll on • two 1-tte:r 4ltterent1al. and ~1M 1111 letter• 

et the a1pb8"et. n t. U'borall7 11\Q>Plled. "1th ftl'1tnt• 

,,,., ~ worda1 pbruea, et eetera, and elll!PlOJI the uae 

et a rep9t!U.on 1ndloator and ropeater •7•tem. !h1a oO&Se 

... 

- - - -- - - - - - - --- - - - _ _.=.:---=.--.::..:.--=....:-=--_.::...:....;~: ___ .. -._..; ... *>;i;;_.~.::__. ..___,_, • --· ~h., 

·-
- - ljr ... 345 

·~· .. ..?·~,.... - -.:-~· 

---- I r 

", .... _ ... .: ,.. --...... • • - ----:. !. -.. - .. ....... ~ ... -

RA( ~ted. ~{ ...... c- 1" ..) 'I\ -. ~.~~•Ul:r "' .: ,,-r•»'Mt I • t;bt C1ISJ' ~Sn 

d G-Ol!lat!c aii4 c01'l8\l.JR ott1oea llD4 With• "1• to 

l!l'O'd4tns .A cout"tdont.lal .an• ot canudcation tor a 

Umlted ti!m and tor IOOllot'Q'• Bo o.t.pbR .,. •• 11 uee4 

With wa code. 

__ ll .. ~ .. - .. .. .. . - ........ -·~,,_.- .... :II' - , ........ 

.:_._.iT .... 

Jb!Uall.7 1t •aa uoe4 £01' ~ '"9P'••1on ~ •w • ~J. ....... -~ ....... _ •••• ---

ionfr48ntili -tC'lal. Bowev., at tbt prtunt U. lb 

UI~ I• ~-arul.7 odln.d to ldrd.n11trat1w ~t.l•sr~o 

~~~~o ~ ~~--~10~1~ at~~~.~~ • • - 'r.,. -

.Jll&&lstNfU 

.:-~~ia llu 'Hen ei'tootod p-14\lallJ' ad S.t ia 

_. 1n po•eo1alcn or two ~•d ara4.tU:b'-tbree ld.Hiou - .. .. ,,. . .... ... . .. -- • "' " I •• ., 

ID! ooneulatea. .. ..... --- ·----

llidll• .-;--_;-. . , QIL.& _ -: • :. -· ' 

s- ;...~ :tn Ghep or-. ott'ioo to Whtoh thf.a codo 

1a t.l\lld •111 b• W p.ar-acm•l lJ neponalble tor 1ta 

aeteke~ping ~ ?.Z_C!romaat.noee lhoUld ar1at ..ics~ 1fi 

UO.••U7 •o d.el.ocat• W.. reapana1'bil1t7 1t *hall 1» cl.7 

to -.•Cl' Drtlo•• 8114 Allel'ican cploreoa. 

~ ot.t~'tr ~ DDla a ooa ot th.ta M4o ab•~' be - . - :: , ... - .. ---... " . .,--. a.u,..ed 

-, 'ii"' .. - .. ; ...... ,,.,. ~I --

.· 

' ' . ..... ·--......... -- :. .. 

-- . ----

... 
'"' • 

-.t,· .. ~.·--·--

REF r·D:A67345 

.. u ... 

..Uvorod will Giva • nae1pt ror tlw •*• At b 

exph-atton ot hie or her "'9 ot ott1oo or u•1~t or in the 

ntnt ot tho 411conttnwmoe ot ott1o• so al oh he or a -. 

ltaon aaalgned. he _. lhe aha1l del.1ve tbe oacte onl.7 to 

the J»pal'tiunt 01: te .uch peraon •• thall 'be ~·•17 

aatbor1ae4 bJ' tM »epartmant. 

- : ·~.:~liih VOl"-.-lieiil-- a "'1.i Siaber bJ" ..tbiah a reoord 

at~·· ld.ROJ7 ~· kut• ... & 9fal~ 1._ turned .nor b7 

ee - -otrloer •r. '° aaotlwr duplloate .., .. :reoeipta •!ll be t~ 

-.nna tbe aerial ~. date, et oetera _. ot wtdob 

• 

~-'be !a.U.a\el.7 t-..rrarded. \o ~ ~t. 

· · · ·· -- O•eoS' ortloera eo autho1"l•ed to -..,. aoou• to m4 

uo '1>1e coes., Aurlcan -.p1019ea m:nr au.thoriaed '° v.ae 

tm ooN'1dont.1a1 oode• oE tbe »-~t Ro a1ao a.uthor1"4 I -- --......- "= ---.... ~- • I"" - - .. - • 

Ii ue' w. iido. st. •poa1t1o -~~,l~ ot - lll»art• 

I 

111nt ~t bo obtdno4 l>eton _,- »OZ'•= ~ _.,_ )atrHfts 

M ~OJ14 ta DJ ~a!.on or ~·~· ~ ~ q04pa1J 

to O'I ~· ot \h!.1 o•, 'ladt.r no a1J'Q\Rltanq.oa ahaU '8 

93ten ~OJ•• baTa access to ~ ~ .. at \ho oodo. 

9'm ~ ood.o 1• not aotue.111 1n ua• 1~ --~ bo lGlpt m tm 

ate o,t 

I 

\h• ottlH, :t '119 - -eeto hu a 1oclco4 

- . 

~' 

It who)dd \,e tr.pt \her•• It DOt, it mat bo •"'194 oq1\ I 

'1- after ue. While~ .,4 l1 ' .. *'' 8" be lttt; I ~- . 

m&'&e"~ .... ~-U:· ' - - - I 

I ltmograpbiCJ 

."!! 

I -:-; 

.. --~· 

r 

' ,.._r! 

.. , _j .. -... ~ 

-• _ _..-.. - _ .I' ,r •.. -,.. -. 'I' • • ~.-~ • • r 1 ..(I.•• ••-..a.. \- • 

- - - --- - - - ---- - --- --
:c. .-=. ----- - - - -- - -

REF ID:A67345 

> ··-~--=-- ~ --· .. 

•! -- ·- --~-=--- - : t•{-"' ., - -;- .. -

~'1\Qg&~o noteis, c~ ~r1 ~~__. ~ 

U f::be wsace l• prepl!l'ec! bl ~, the bhnk eheete under 

the oric!na1 drart mat be 1-«r.iatoi.,- 'burned or othcx-w!1e 

-1nowporatiou 1n the aont14entlal or regular tile. 

lb&\ 1eox-ao7 ot thi• code ri1l be •to.i-1all7 ,,... .. 

al"f'ld tmoueb tbo oar•M l!l14 Jvd!.a!oua UH ot ftl'!anta 

a.4 npetlt!on 1ndlcatore and repeater~ to •••• the 

- true readlns ~t a J&U•'1P• 

the recuft.crno0 of tbe liiiC- ooae e,d>ol in ...... 

1- a wlnerab1o point trorA wht.ch a code 1• 'bl'o~ down 

~ tho awoooaa ot trequen01. !lwrefOJ'e, !t la inou.cbont 

upmi tlio ood!n.G o.ttloer whenever I>O••.lb1o, to un a d!tterent 

code 8Jllibo]. tftl: tru.o :readinga reappoar!n3 !n the ••s8£e• 

b wrbatizs tut or &1Q' CQ!G uialeatlon or doCUl!ltn\ 

maat aot lie cmcodod in tb11 code, such aa 1 Jfote• and. other 

OOIUWiloaf;!on• fitotL .. foieo1p £OTOmmniJ qu.ob.UOM troa 

the PN••J pab-U1be4 orcJar~, 4Hreeia# et eetera. Vee the 

Grai Code tor th1a putpo3t• 

lb.ta code -..t not under an, obcnmtNloea M used Sn :e~ 

the enooMng ot q ilallllltf the '9zt ~ wbloh bu Mc Ol' 

wU11- 'banam!ttecl bJ"- te1epho11e. 

Xf tor q ~euon it beeOTJe1 neoo••U'J to ue '1le 

'9lephone 

\ 

--

-· 1111 -

--- _. " -

. = : 

- - -- ------·--------------------------
REF ID:A67345 

·. __ ... J11' -

·":l,. :__ -

teleiWme to otmtUnieate !atonaatlon UwlPdtted bl thi• 

aod•• the text aut 'bo oa;...-.tld1J' paz-ap..Tued. 

-- Jal tho e1unt &ih&t eiq ort1ocr ahould. coae into • ... ., _. • r • • • I • 

,..IOQ1on ot 11n7 1Dfoi'l:Jtlt1on wtJ.ch would lead hi= to 

'believe that a toreloi g0venment or lmlW.thor!ud peraon la 

t.D. poaees11on or baa 'knowlodQt ot th1a oode, or that lt1 

Nm'lcy bu Sn uq Mml.ll' becaDO or~ered, an !=ed!ate 

nport clviDG rul.l deto.1111 ahould 'be ado to the l'JQll't:amt 

lQ' tol•l,p"&Ph• 

atue.oi- no a.!.1TJ1Utancca wtll the Yerbatm tut ot a 

w•as• trL"1.amttted 1n thl• oodo 'bo a«M'l&n!catod to other• 

tbm1 o.tncel't ot the ~nt ot ltate, cvoa otftoera 

e4 A19r1can a.pl.0J9es ot the Pore!p SeMioa. A oaret\d 

118Z'l»hl'N• Yill be u4e ~rsr oOl:ll:llnioatlon to :ti:hera • 

..,II.eel o·OJW!derod to be contlc!mt1a1 Jll.18t be pei .... aed 

~ !neorpc>l'illt!on 1n the oorreapandenco t!lu. 

-9'1• oode abould novor be cona141rod a ~ ot tbs 

al'abt••• ~ 1n't:Nat1nc Jmrtoen !ntereata to a tonlp 

p~nt. 

XII. tho •Tent et a -1•1•• where the c.trcumatancea we IUOh 

that the of'tioer 1n ehart;e bu pod .l-H.SOn to 'bol1ew that 

the •atekeep1n,: oE th!• code 1• e~erec!, and whero t!ae 

w111 

----- ------------ - ----- -- -- - - - ri ;t. - -... _ ·~ • , I _j__;- ..,. ... 
REF ID:A67345 

•11 • 

•111 not permlt oz obtainlne apeoitio au.thorit7 ot '119 

JaplU'tment,. he J• wthcrlzed, 1n the preeenco ot ~th.el' 

otticer, to de•ts-01 tb!a ood.e 'b7 'bu.ming• after hav1116 

made note of lta •mal mmber and adviaed tbD J)op8l'trlent 

- telepaapb ~ anticipated aot1on. U it llhould. 1'e 

btpraot1oa'ble or impo••lble to add.ae tha Department by 

t•loez5aph ot auch ant!oipated action tho code :s8.J be 

~atrojed b7 b~ and the notlt!catlon sent a.t the 

eai-11est Pol81ble l!IBl:lent. A ce.rt!f1cate atte•tin6 euch 

ait!on alp.;.., .by both ott'Tcera l"ose~-r with •. repcir\ 

or tho circnmstancea Nld action taken •111 be lo"erd.ad . to the Department at tbe earliest oppoX'tunlt7. 

A9.afj(rac~!.01u 

!!b19 ia a a1m.pl.e two lettor dlt!'erontiel ablooc:raph~ 

&Ode ot spprox1mate17 6000 codo •JRl'bo1a and true r•a.d1119• 

.. -~ --.... --............ - .. . 

au 

%t YIU prepQt•d pr1m~117 tor uae ot the Jra"f7 ad. 

ft•te I>opartmenta 1n ootllUnicatins between Dopartment 

ot 

- -· , 
REF ID:A67345 

• 11 .. 

ot State o~~1cee abroad• naval atat!ona and naval 'Yfteael1. 

Jl!~tr1J?J4lsu 

It ha• been 41atr1buted. to aevent7-e1ght mla11ona 

Ind conaulate• • The Comandtng General ~ the Panama 

Caiut1 Department, the Coast Cue.rd, the k'VJ J)eparbent, 

d.even naval ••tabliahments uh.ore ~ to all naval 

v•••~l• 1n the Atlantic and '8.r!bbeen. 
-

j 

.· " 

REF ID:A67345 

9- prcduotion or ccdea and cipher• '.baa 'been 

d.oDal 1n the D1T1a1cn o~ Ca•m&1cat1om and Records 

udder the peraoaal direotion or the Ch1e1" or t.he 

' 

; 

All ~ nos 1n use in the Departmnt have been I 

'bu11t ri.th1n the Jlopal'tlmlt. !he ~1nt1.ng baa been 

done 1n the .lovernmont Printing O.t:1ce undoi- tho rul.6a 

o£ that q&nCJ' g~ the pr!ntins or cont'1dent1a1 

material. 

All cipher table• have been built and p.r;nted 

in the D1Yia1on ~ Colamlcations and Recorda. 
REF ID:A67345 

I:n the D1v1a1on all code books and cipher 

tablea 1aaut!ld to the 'J!elagraph 5eot.1on are cheola94 

eaeh dq and a record ia kept 1n a book set up re 

t.bat purpose. 

A da.117 collection is mde. oZ copies o-r telegram 

1'rOm &11 o.tfi.oea throuSbaut the Depert:men.1l. Tlse 

oollected mate1al 1a taken to the incinerator in 

the cuatq or a Grade CA'P-S or CA?-:S cl.ark and that 

clerk atap a't the ~1nerat01" imtil the material 

1• ocmpletf47 'burmd.