REF ID:A523111 

SEGRE r· 

t,.E-nnr., 

,~:v-"·<:f 

&IBJ~T: 1953 UK/US CQMS~ Conference 

T01 P/P ~: C/SF£ DATi; AUG 3 •• l9o3 CIJ>a.tiNT N'O. 3 

PCAuetin/60489/eba 

l. 0..ral .ubjecta tor the agenda (Phue l) are as tollowss 

a. Securit;y of orypt.097.t•• previouly discuseed in Ul/US COMS&t 

C.tennoee and still undv active canaideration in the us, Ul, or both. 

b. s.curity ot P!NDOBA, BAlJ>SR, h~URY, HiBCUL1'S, and Al'SAlfi 7224. These 

baYe not been diacusaed in .arlier BR.USA Caf.SEC Cont.rencu. 

c. S.Curi t.y standards. 

2. 'nle a-ral object.iv.a are exchange ot information on aacb cryptoayat.• 

oauldered, ca.terainat.ic:n ot the dear• ot security it attorda, discuaaion ot .... ot illpnm.ng ita aeouri.t.y where auch ia desirable, and arrival at a,gr...ent 

•\be i.....i ot u. tor which it ia acceptable. Security stand&rds are to be 

41Hu.cl td.th the aim of arriving at a ca:mnon set of standards in judging the 

.....it7 ot C1'7Ptoa79t..u. 

3. A lin of papen and reports already forwarded and t,o be fontarded is ....,uec1 u Ineloaure l. 

4. a.....l nbJect• tor the e.genda (Phase 2) are aa tollowss 

b. Ccabinecl and IQTC weather requ1r.enta. 

c. On-1.iM Ctabinecl Md NATO ~ta. 

d. RlTO aecond lenl back up (poaG.ba replaacent ot NA'fJU tor this). 

•• l·dntng Ccmbined NA.TO n&Yal. nqui..__t.a (NCSOts and merchant 

-Mpptaa). 

t. l=dn~ DC Cmbined and NATO tactical requir-.nta. 

I• Miecellaneoua requi!W&Slt.a such aa IPF. 

5. !be obJeot1Ye ot this ph&M will be to agree on equipnent or systems to 

-.\ "'fd,nunta. 

6. The tollawin& persona are ncainatlld aa C/SF£'s delegation to the conference: 

(I\ llloul.d 'be no\ed. that the repr .. •t.&tion is so arranged that only two n .. d at.&y 

t• tile mt.in oontennce. It llhould also be noted that., as agreed last. time, there 

11111 be ...till&• on production agreenents and on CUMSSC procedural matters during 

sjh~sr~ - --- -oeclassified and approved for release by NSA on 05-15-2014 pursuant to E .o. 1352e 
REF ID:A523111 

~ - SiCUi.U'I INJ!ORJ~Q!i0N 

SUBJ~TI 195.3 UK/US COMSJC Con.ferenoe 

AUG 3-1953 COMMENT NO. J (Contd.) 

Uae ..,.,. .. (begSnnin& 1n t.he prel.iminar;y informal phue) ancl t.bat adequate 

...,..._tau.cm 1• neceuar;y tor th• u well u tor the conference itMlf.} 

a. Kr. l. lulm - RSA-42. Mr. lubrl would be preaent onl.T tor the preUwSPM'7 pbue. He woulcl be ilrrol.v.ct in th• prel1a1na17 eDginMr1ng diecuaaiona, 

1n U.. \ripe to Ul procluct.1.cn and qiMering taeilltiea in t.he production aareeaan _,.,...... Thia opport.anlt.7 tort.he Chiet ot the Ceypt.o-iiDgineerin& 

lll:f'idoa t.o wit.Ge•• UI proclu.ot.im ..thods at tint band will be extreely bmeticial. 

le WtllAI n\vn to t.he US approxhlat..q 28 Oct.ober. 

b. Ir. Jqcn .a.. Pace - NS.A-412. Mr. Page would at.tend only tor the preUatMJ7 ~t.7 diecuaiaaa and tor the tirat. part. of Phu• l of the ocnterence 

11 •••· !lave are to be acae SO cl11'tennt it-.. ot crypt.oaecurit.7 conai.deration .... hp 1• princd.pall.T rupcnaible tor th• pnparation or th• us paper• which 

Jlaft ...._Mil an being pNp&Nd on th ... it ... Mr. Pac• would st.q until about 

l lftmber. (Rote, tor penonal reucna Mr. Page lligbt. find it impoaaible to attend 

'1le oantereoe1 it nch ahOQl.d occur Mr. Lowell Fr&ur (HSA-412) would go in his -....) 

c. Dr. Harold J. Stuke7 - NS.l-4J,2. Dr. Stukey would attend thru the tirat 

...... A.a ..Uonecl above there are an ~ large number of points to cOYer 

in \he MOVi,7 field. Dr. Stub7 would r=ein throughout Pb&ae 1 in order to preJtU'9 the rwporta ldd.ch will grow out of the informal pbaM and out of Phase 1 it-

..U. lie 'WD\ll.d return t.o the US approxi.mately S Nov•ber. 

cl. Jlr. Thcau Chitt.enden - .NSA-4()2. .Mr. Chitt.m4911 would stay tor the 

.....U• ot U.. oontenn.oe. Daring the prel.1m.1narJ' and tirat Ra&• h• would att«ld 

tM tqlDMrlng t.l'ipa and diuuaiou. As npreMD.ting tlM C/slf£ Planning Stat! he 

•• tlel part.icipate in all the pl'Ocluct.ian diacuaaicina and acre-ent•. During the ........... be wwl.d part.icipate in the planning tor u.ting mating r.qui!Wlents. 

ProlNlbq \he moat d1ttic11lt ot the r.quir•enta which 1dll CCll8 up is that ot 

.-....iogioal ccwmmicaUcna. A• a -ber o1 the Caa'bined weather security subpanel 

ot U.. Cd-a-118 JCB&ta Mr. Chittenden ia particularly well qualified tor t.Ma 

.,.-i-. It la &180 llk•lT, t.he wather probl• bC,ng eo acute, that there will be 

wat.Mr ...unaa out.aide but during the conf'ermc• it.Mlt. 

•· Mr. F. c. Autin - ISA-41. Mr. Autin would atq tor the duration of 

\1le oont...... He would att.md the Mcurit.y diacuuiona in the pr.Hminary and 

tint p1aa .... and would handle the ml end of the procedures meetings. (We are on 

\Ile ftr19 ot qrM1ng on a Ccmbined and NATO crypto procedures manual (prepared by DA-41. ad CPB) but. there are Jl&D1' qu.eatioas which can only be resolved at the .., ........ ) Ir. Aut.in vould .t.q throtlghout. Phaae 2 since there will be many 

••ari.'1' and proc..aural q11Utiona arising clu.ring diecuaaions ot requi.JWBente. Mr. 

A..t.ln alao 1llll baY• recently attcclecl a NATO meeting on cryptographic matters and 

tJa1a alaoal.41 be ot benefit in diseusnon ot NATO requiranenta. 
REF ID:A523111 

St:Gf<ET !fJ¥I - !l§YNR l!f&MtTie! 

SU&JICT1 19Sl Ul/m.COMSJI:: Contel"Slce 

UAT.11 AUG ,j - 1953 ccnmrr NO. 3 (Contd.) 

7. C/IS ~ nppona the euueatian Mde in para.graph .3 ot Ccaatrnt lo. 

a. ~ the eole criterion tor cli1Cloa1ng equipment.• or crnt,oprinciplee to the Ult 

la apacd.ts.o rel.&Uon to this cantermoe ahoulcl be 11b.9'her th.,- are to be ruervttd 

~ 

tor wJ.11W1w US ue, except 1D thOM ouea in 'llhich conC1U"l"«lce of a Service 1• 

tw dlMloaure ot n.-nb and cleYelop18'1t und.er it.a cognisance. C/SiC•a .ias- • Nl._.. ot •~noipl• to the UI in geeral are contained in ..... oon.., ...... ce addreHed t.o 70U U CCllllMl'lta to 70ur D/F ot 2 July. 

lMla 

•-A~\obe 

.hat lalt>• ,_ 195) .. , 

Ol91C c.t•wea• 29 .1111¥ S.3 

7 

F. E. HERRELKO 

COLONEL, USAF 

CHIEF, OFFICE OF 

COMMUNICATION SECU~ITY 

SEGRE I 
REF ID:A523111 

SEGRt:: I 

sJllBJll = !!!'!!!'! JDQlaw..a 

SO'BJEC'l.'1 1953 uK,ltrs 001£&: Conference 

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Mr• JRCft1lles/j1tll'/{JJJPJ 

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Ye~-po secm.\r 1::1.U~ 

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tha' :,'. ;:. 

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be ~ ~._, to be fio,~Jlld• as £N: ti:l r./D 1a ~~ tit?.ll t~ 

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REF ID:A523111 

SECREI 

......... 

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ell) ~ OI l.ftl&X ~ (FOX BrOadDGa\ Ci1ax Bl1119tlt) 

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(7) ~ ot AP't"..AZ 7306 {1.$0 bit l*' aeoand Wi.Nl1na TND8111ss1.m 

~) 

(8) ~ Of AFSA.4 7308 (~ C1£ax Adaptor) 

(9) ~on Of OMS {Roltq Rot:or Antlog) 

(10) Deecript1on ot msol1 ( B1M.ry Setting OGDOr"ator) 

(ll.) Reportr Oil IF'F and Data Trsmmtssion. Sj'stes Stlldiee {mu, and AFC1£ 

P?op•la) 

(12) Interia bport. C1D R&diation Studios 

(23) Report on *'1 3 tolllen i.,- conara tor Studies 

(~ a.port OD F1bQnsooi Ktty omeratw Studies 

(l5) aeport, an Pt1laed M9.enettc core Dev.Lceo 

(16) BoPOl't Gil ~t Elament.e 

d.· Tbt toJ.lowiDg 'RID l*'Samel are: nolld.nated for t~ u. s. Delegatim1 

11r.s. c.~ 

llr• J. tt. Chl.JMi ···H.M.~ 

ttr. n. o • El"1oDcll 

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ot tlw Daldn••• it u Mt. tlllt it will be neoeoaaq tor onq OD& or wo ot 

tht Ant tJ:a~ indl..t.mai. to rerain ror ~ I and n or t.m cantaronoe 

:Uaelt. the ot.hllr Jt/D Np1ueatat1vea "111. pe.l"ti.cd.pt.t.o only" 1n the !nf~r.tilal 

~ aouaaiona betu1an the engi.nearlng and eec.ui. t;r eJPrt.e c:bring tl'l9 1Mo-volk 
·~·~'11~1 t 11· ~ i &· rl ~ I ia 

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REF ID:~~~·~ .. ~Vf--ftMll' 

SBGftB'P SECURI'l'Y DWOHMATIOH 

19.53 UK/US COMSEC Conference 

P/P 1 July 19 .53 COMMENT HO. 1 

Mr. Douglas/421/gaw 

R/D 

c/sro 

S/ASST (Ilf TURN) 

1. The 1953 TJX/US COMSEC Conference is expected to be held in London about 

1 October. The exact date has not yet been set by the Cypher Policy Board. 

2. According to the recommendations of the 1952 Conference., the following 

conditions are to apply in the forthcoming Con.ference: 

a. That a fortnight should be provided before the Conference opens for 

discussions between UK and US Engineering and Security experts for examination 

of equipments and for visits to establishments. Experience has shmm that such 

exchanges can best be conducted in.formally. 

b. That the Conference itself should be in the following two phases, 

held consecutively: 

(1) Phase I: Preparation by the Engineering and Security Experts 

of reports listing and assessing equipments available and 

under development. 

(2) Phase II: Meeting between US and UK corrnnunications staffs and 

representatives of C.P.B. and AFSAC to examine and define 

Combined and NATO operational requirements and, where possible, 

to recommend equipments to meet them. 

J. It is requested that the addressees forward to this Division the 

following information: 

a. General subjects for the agenda. Detailed items need not be included 

at this tine but should be under consideration for later incorporation under the 

appropriate agenda item. 

b. General objectives to be accomplished for each agenda item during the 

Conference. 

c. A notation of papers and reports prepared or in preparation in support 

of agenda items. 

d. Nomination of NSA personnel for the US Delegation. 

4. Until a firm agenda is adopted, the foregoing information should be 

considered as tentative in nature subject to later revision. 

--------------·. 

JESSE O. GREGORY 

Colonel, USAF 

------------·---------------··-··-
REF ID:A523111 

S~GRH Seetfflc; iHformatlonIP PH' §l?M'¥ J .... lQll 

r/P 1 JUL 1953 

Mr. Dou3l-u/4;21/ .. 

l. !rhe 1953 'f1K/t1f> CCMSEC Canf'erence 1• expected to 0e he.ld in kmriaa about 

l :>ctober. The exact aate he.a not )'8t been set by the <..)llhar. Policy br4. 

2. .According to tbe rc-ca:m.ende:t1one of the 1952 Co...rlf.-.rence . tlle tol.l.owiDg 

condit!cms are to l!pply in the f~ Conference: 

a. IJ.'bat & fortnigtrt; !lhDUld. lie prcni.ded before tbe Ca.u:rerence opens 1·or 

diecuseioos betveen UK and US Eilg.1.neer~ and Sccurit;r e::cperts for t.~ne.tior1 

or equipit.1nt8 r.uld ~ ":1G1ts to establlsll'Dente. ~enee bas shown that such 

£:XC'hfu.lgeG cnu 'te;;t :c condu~cd il".forml.ly. 

b. fba.t the Conferer..cc itself should be in the t'OllO\.'i.I.IG t;ro rt>.aocs, 

held l"NliBCOtv.1~: 

(1) Pbase I: iTep&ra.t1on by tbe Bng1lleer1ng and Security Experts 

at i~rorts .:..isting and aosenstna equipr!:lents av3ileble ~md. 

under devel.apaent. 

(2) Pbase II: Meet1na between UB and UK cargun1eations stat'!'s and 

reprencnt.-itives c£ C.P.B. and .AFSAC to e.."W2Jline wld d.el'i!ie 

C<nbim4 and !JATO operatioml. requirments and, where possibl.c) 

to r-eccnnm:ld t..'q\d:rncnts to IUC'rl them. 

3. It is requested ~ the ad&lresseeo fot"WE.rd. to t..~s D1~ri.i:;ion tbe 

following 1Dtomation: 

a. Gene:r'al. subjects tar tba .,.,... Detailed itea.s Deed .not be inc11"3ed 

at t.hi.s t.tM but lbo\ll4 be 1.!.nder cons14eration tat" later incorpomtion uni!el' the 

o.ppropriate aem&l itm. 

b. Geaen.l obJecttvn to be MCm,pUGhecl for ea.ah agenda 1tm 4u.r1ag the 

Coni'erence. 

e. A notation or papers amt nporte preperc« or in prepamtion tn cuppart 

of agenda items. 

d. lba:in&Uon or EA personnel for the us J)eJ~tJ.on. 

4.. Until a t1l'll asm* ie a4opte4~ t.be tOftSOiDs Wanat.ion llhoul.4 be 

oemD1clered aa tent.e.tive in. nature eub.1eet to later 1Tt1e:!on. 

SEeRET SetGI ty lufo; 1tu1UeA