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elease by NSA on O 1-26-2015 --- - _: _ 

-. ·. ,:,-;·. - --::.· .r ,"':·;;. .. O"'" ursuantto E .0. 13526 --:;--....,...,, -

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-REF ID :A.72-347 

' ' , 

SPSIS-:5 

Hf ~f ~ 8eptellber 1!)1~5 ~ 

SUBJBc!s Becur1t7 or Allied Cipher• 

' 

!'O: Comnanding General 

Signal Secur1t7 Ageno7 

------ --- ---- - - - -

1. One o.t the primal"7 oonoerna ot th1• o.tf'1ce h1.a been 

the 1Dter.;at1on or knowledge between the Intelligence Div1•1on 

and the ecurit7 D1v1a10D 1n Ol"del" that the knov-hov ot 

pl'&ctical crntanal7ai• and it• product could. be applied to t~e crntograJ>b7 ot our ovn •7ate••· You bave asked what 8~1 Becurit7 ~enc7 ba• produced •11111.ar to the British 

ZIP/sAC reports (Tab A), and it ..... appropriate to give & 1Ulllliar7 or the vhole aubjeot at th1a tiae. 

2. In Sept-ber 19-4, a memorandum vaa prepared bJ' 

th1a or.rice pointing out the need tor tlll't~eri.ng the integration betveen the tvo D1v1aiona1 _and. recommending that a pel"DBnent oOJiaittee be tol'lled tor th1a purpose (Tab B). The paper vaa 

41acwiaed at OD• ot the rirat meeting• or the Secur1t7 ,. 

Division conducted b7 Colonel Cook 1n the abaenoe ot Colonel 

Allaopp. C Branch (including Becurit7 Section), represented b7 llajor Borton, agreed vith the need tor greater integration but telt that the proposed committee vaa not the answer. A 

Branch, repl'eaented b7 ... jor Sheetz, vaa wholeheartedl7 tor 

the coDlittee idea, Vh11• llajor Rosen ot P Branch thcught that 

the Ottice ot the Director ot CODllll'UD1cat1ona Beaearob ahould 

be the nucleus tor auch 1ntegr&t1on. Bo concluaiona vere 

reached and the paper vaa referred back to th• Director or 

COJ111lU111oat1one Reaearch vho awaited Colonel Allaopp•1 return 

to pur1ue the •tter .further. l'o formal action vaa ever taken 

on the -tter, but attel" the pa.per vaa reterred to Oc·lonel 

Allaopp a 11a1aon otticer tor the 8ecurit7 Div1a1on waa 

&ppoiJlted to vork on. a 1'1111-time atatua v1th the Intelligence D1T1a1on. 

'· JPrequent talk• b7 this of'tice vith Colonel Jl.llaopp, •.1or •rtan, *Jor Prehn, and Captain Leab.er, etres1ed the 

need tor a aore thol"ough evaluation ot the C Seriea c•t the 

-Bulletin. In Bovember 1944, Lt. Ragland,, under Jlajo:r:· Prehn'• 

41.r•oi;ion, began preparing a short digest ot these me•aeasea 

(Tab C). 

... 

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.... 

,. _ .. 

,, 

..,_ . 

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.,, 
REF ID:A72347 

· _..,, -u tUJ-U.J'-~[-aJJ~-iff- 8P8I8-' (20 Bept .. b•r 19'5) 

\. In th• latter i-rt ot 194JJ,. th1• ot.tic• lMJ•ned ot 

•tudi•• being un4ertaken b7 MIS on the e'Y&l\J&tion ot Japan••• intelligence aethoda. In aubaequent 41acues1on• v1th the llIB 

ottioer in obarge ot th1• Unit, 1t becaae apparent that no 

c011.PJ98benai ve aethod vaa 1n f"oro• to 1naure tba t aut 1.abl• 

&ot1on. Yould be talcen when cOlllaUDioation ••our1t7 ooapromae• V'e!'e 1ndioate4. A V1'1tten at.ud7 of" the above J>l"Oblm1 vaa 

\Uldertaken b7 thia ott1c•• and oop1ea ot ~ab D were 11ubm1tted 

to the Intelligence and 8eour1 t7 Di v1a1ona tor comme11t. A 

OOPJ 1t'&1 &lao given to llajor Spitzer of JIIB tor oomm•tnt. ~. 

reaulted in a oonteranoe between Colonel Collina! mi1bera of 

BaoUl'1t7 Diviaion, th1a office! and Lt. Colonel oood:~ich ot 

llIS, and in the 1aauanoa b7 KID ot a 41rect1 ve, da te•1 ' *rob 19,5, vhich veatad pr1111Lr7 reapona1b111t7 1n KI8 tor oonductUs r••earoh in connection with •terial ob:b&1ne4 tl'·• Ultra 

•Ourc11 t-•l&t!ng to (1) oomprom1••• ot c~tographic aptema -.Pl.,,.e4 b7 u.s. or Allied Porcea, and (2J 1ndicat1a~• or 

n...,- trattio anal7111a ot u.a. or Allied camm.un1cat1ma. (Bee !ab B). The D1reotor of" COJllllUD1cat1ana Reae&rch vaa dea1gnated bJ" the C~nd.1.ng O.rticer. S1pal Beourit7 Agenc7 .. &I the 

Ageno7•a repreaantat1T• to tultill it• part of the dlrective. 

Jl&jor Spitaer vaa dea1gnated b7 JlI8 to make the atudlea outlined 

in the 41reot1ve. Bventuall7. a tull-tiae repreaent&tive from 

B·IV vorked 1n Jlajor Spitzer•• aeotion, and tvelve acannera 

1n B-I vere aet up to iaol&te Bulletin .. ter1&1 tor 1t. 

5. In the aeantille Seourit7 D1v1a1on ••t up a aeot1on 

ot it• ovn in the COJllDUDication 8eour1t7 Branch as a result 

ot the atu47 referred to in Tab D. Thia aection. vaa to atudJ' 

all aourc•• or orfPto~fb:c coapro.miae 1nolu41ns Ultra. It 

1tarte4 the aerie• of •I report• (Tab P). P1ve cop1ea ot 

theaa report• vere prepared an4 were d1etr1bute4 to th• 

Chief• Securit7 D1v1aion and atatt .. A Branch, CC>Jm1&1:.d1g General an.4 Director ot ComDNDicationa Reaearch, .EB (:Ka.jor SpitzarJ, and tile. Thi• repreaenta Signal Seour1t1· Ageno7•a eqUialent ot the British report (Tab AJ. 'fb.1• repc•rt vaa ••••~ diatributed to the theatre• b7 the 8•our1t:r D1v1•1on 

11Jl0• 1 t had no authori t7 to 41••811113& te Vl tl"& 1d»rna t1on, a1tbOWEh according to Colonel Ba79e and L't. Colonel BiukV1t 

it would be eztr ... 17 valuable to the theater Signal. and BIS 

ott1cera. Oommunication. BecuritJ' Branch telt that t.he theater• 

W•l1'• doing all tb& t could. be done .ind tba t the • te1•1al 111 the 

"I" report• voul.4 repreaent no new into~ t1 on tor 1;hem. 

6. •Jor Sp1taer h&e been carr:r1, out the re11pou1b111t:r ot JttS in ••luating orntanalft!o and /A au.coeaae11 ot the 

Japane••• but baa been h&Jldioapped in not baying teubnical 
.... ~ . 

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~ 

I 

' ' 

-...~ ... - ... - . " 

- '. ,. ' 

REF ID:A72347 

SPSIS-' (20 Bept .. ber 19-5) 

tecbnical knowledge ot the aubjeot•. captain lfa&aa ot 

8ecur1t7 D1v1a1on, and Lieutenant• Baraaoh and Buroum ot 

B-IV were able to give him cona1d.er&bl• aaatatance. Two 

ot the MIS report• are attached (faba G an4 R) aa ezaaplea. Lt. Barasch aotuall7 wrote the one 4•11ng ¥1th T/A (Tab H). Th••• are d1atr1buted bJ' JllIS to the appropriate theater 

8.pec1&1 &eovit7 of'f1cer1,. and to 1n.tereated reo1p1ei:.ta at 11~1 Secur1t7 Agenc7. 

8 lnola 

f&b• A tbru B 

JIAU RHOADS 

Aaa1atant Director ot 

Cammunication• Research 

____ ____,