------

REF ID:A65296 

se:=RET 

Toe I&. J'rtedmn 

hom.1 )(r. C..lltmhoe, 'l'IQ 

lubJ•cts 8eCUl"ity Cl.aa11t!aation or 'J!r&!ni.ng Document JISA ... 72 .. 1,678 

Ret•:rence s T/8 hlegram da.ted 9 Hl.rch 1954 ham DU.cw, OCHQ, to 

lh-18· Tiltr.ll, BU> 

1. ~ f!.K. o'b~e<rtim 'to the tnoluaion at 'the CX>JWillQ.t'IAL level 

r:tl the Wormation in P'ft 6.54 ot the ftOD publication, 11Current ~ic Teehniqμea", c:c:me• &CJlll!t'Vbat aa a ~rs.e. ~, I 

OU "6 11.0 Haen~ 697 t4 the l~ba 6.54!_ tbrcugh 6.54t 

111tr1t a ela.aait'iea.tion aD1' higher thaQ COBP'Illi:BTIAL. It 1a true that 

Isl! of the•• .ubpara&rQhl have at om t111e or another covered 

QptJlational •nte•J wt it u ai.o t.nae tl».t ~portions of ~r 

ftr71WlQl1c tnin1ng texta, CO?&'IIlElrrIAL ~ .-ven wcJ.aa•iti-41 have 

cw M.w ha4 operational 1racticabilS:t,-. 

t. 'there 1a 11\0 q,ue1tion 1n .v Jt1a1 that, in 1u'bpa:raara»h 6 .. 51t-, 

aU the itftls but }l Ul4 f.. ue ftra1,gb.ttorva:rd ctrJPtograph10 upect•• 

l:W. ! is but & •l!Cht depart~ frcmt the dtrviowlJ but itn l baa 

'been lited tim ad qatn Vben other 1'uter ..a.ms tit &eMntion b&Vlt 

not 'been .lo;yed.. '1'M eatire aub#tance ot parqrqh 6.54 4eaJ.a with 

'the-~ at •ourcea ot dditive, v1thout an& word~ o;rypt- uralilisJ tber• is not thfl •llchtct•t ;lndicat1on that tho•• 1ource1 ~ 

atditi'ft etui 'bet aploited. I r.&11z• that the Ob:Jectton to 6.~ muat 

'bo 1~ ~ beeauatt qt 1ta qpllca'b1litT to e.rta.a n•itiTil frobia.--

ue w tben to put pqcholog1ca1 :nmlom'• bea4 in tbe un4 u4 clefl1' it. •~d.atenc•T 

, J. Aa rot' the general 1tatement. ia the reterenced tel.egrana tbat ~thi• t• a }Mll"ticularl.7 atrikiaa 8XIUClle or tho tendency to include 

,.th thf.a handbook int(Jr.DJ.tion that ought to 'be gra«ed. 'lU- SECRET Code· 

1

¥0l14" 1 I have :read caretull,y tbrouah the e#tin tlu'ff volune• of the 

tn.W;ns d.or.:Ullent 1a question am I CIUU1Qt tirid. ~hina vhteh. to 

.,- mind vould ve.:rrant ucluton trc:c the .-t.andpoillt ot a COl'IFlDENTIAL 

~nt. At &111' rate, I thbk it pertiJient to note that the l?.ROD 

4ivia1on 'Which or1gtna~ prepo.red. and i11ued. thia document ta Co1ns 

'to J"e'flace tt •OOtl Yith another wh:l~h they hope vill be ;rithot.lt 

dbjoction. 

4. Ia ~h 4 ot the ret«renced tel.egrq it ta wtated that 

the aylle.tnut at the Military Crn>tanal.Jt1ca "riea ahon that ''Part• I 

through IV ue correctl)r graded COlO'In'EN'l.IAL tine• . thez are concerned 

SECRET 

Declassified and approved for release by NSA on 08-18-2014 pursuantto E .0. 1352a -~-~--
....... - • L- --·-

REF ID :·A65296 

SECRET 

ature. Ia t u.x. v / n, that 1tul qpear1:.n8 n 

t pub c 4Ql:llain Q"e automa.ticall¥ clu•itted. COIFlDEJl'l'IALT Actual.]¥, 

it ii J)rojeeted tba.t l'~ t through lV vUl. COSlte.in eh. -.w.d.t.l 

that bu ~ QP&ared in the l'Ublic d.orain,, but thi1 :iliterial ia not 

el»iCte4 totn.n.cend Woration to vbich w norme.l.17 ueribe a 

COlU'IllD'nAL elaltU'1eat101\. 

s. Aa tar the o'bJoct1on tbat the ayll&buaea of Part• V aXl4 VI 

uaeoJ1 to WJ to cover •eoret procctllee that are current)¥ 1A Uh at 

GCB'Q r'1t.' production o~ Ce.teaory III COMDrl' and an ~ore technical 

•ter1•l Yithic the •anina ~Rote llS to Appelldix B "iiu1rine; the 

lf'adiDg TOP SECRET Codevord," it 1a 'P:~eated tbat thees tvo text• 

Jll!&bt be wit~ at the ~Il'EB'llAL SEO\ET level# :reepectively, 

to facUitaw their bandl~ am!. use in tra1JW:aa pr~. However, 

11'ben the t!Wl actua.111' ~· tor the preparation ot theao tvo tu.ta 

it aight be nece11arr to niee the c:lt.111f1ca.tion ot •ither one or both 

flt them, Aepe~ uPOll the trea.tmnt ot the Wormtion eonta:tned. 

I cll••&'l"ee, honver, Yith. the apparent lm'erencc that the •olution 

or ooda• aD4 •noS»hend code•, ror ~le, 1a autcmatteally in the 

htcheat clu•ttieaticm cateaory bee&Ulie or th9 qpl1ca'b:tl1ty or theae 

t.chnip1 in oper.tioml pro'ble•. We bav• la4 tor 1Mft COHFIDENTIAL 

tra.Ul.bac }n"Oble• 111 •ll.C1phered.-code llOlUtion iA both lmowQ and \Wknovn 

«Odea. Ia thi• connection. I Jd.Sht &44 tba.t I bave 1l:l IW" t'ile• a 

quite old 'P&Per (about 1930), Oil &44itive-ftna11hend code 1olutio;n. 

written by u. uateUX" 'who bad mve;r been in the buline•• J be d.e•cr1bed 

bl PMt d.etail the u.e or 4.U'fuo:nains tecbnio.ue11 •tc. 'l'bere ce:na111-

1¥' •e.• '\o 'be a Dnd tar a COJlllDOn l:fOWJ4 ora 1uch •ttel"• . 

'· It voul.4 'be illte:re•ti»a to have GCHQ nna ot the tOH&O:ttia 

Vin'a an4. c:Ollllmrl;• • 

L. D • CALlJM.l\l!OS 

SEGRE:-r