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CREB 63 406 SECOND PERIOD COMMUNICATIONS SECURITY Gentlemen, this period will te devoted to the subject of communications security, how 1%…
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REF ID:A63406 , - ~ v aie cin “Homent 43, ‘tell you, ‘Et teit that ame, alphabety Jy patie tad been Gerived from a rectangle based on a Ke…
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REF ID:A63406 © c* Wheat we call Cipher Deviée, type M-94. Now, when Major Marbourgne decided to ;'3go abead with this device, Mrs.…
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REF.ID: A63406 hike cabled te Wheel Cypher’ , - Aertenp ‘ere 1s the ‘second page. You see his calculations, giving you at the 4 > tottom…
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REF: ID: A63406 oo : 7 a ’ ae * Ree an titans ant ve an ine den, ‘the’ inder alphabet ‘ Ae mounted a a ‘diex ing, is rotated engilarty…
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, {2£0 3 3(h EP oes . gPL 86:3 36/50 USC 3605 a ‘of aliot aishanets, for use 4 in encphergent, 1 ‘that: i, | the aiphatets are : « ~, i? .…
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REF ID:A63406 dwpartant episode of the war of the Pacific during World Wer II, and I will introduce the account af that episode by saying…
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(0 REF ID:A63406 1» Oe w in World’ Wax It in great quantities. Mr. Hagelin ani I became very good . friends after the war. I was opposed to…
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ce - REF ID:A63406, - . ey t me ma ee rn oy oer ETE Entity icon m H Mong hanewr Arad . Petree tar ea, Mews as 209 ai had a serious, a very…
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OF. BO 3.302) Loot = PL 86-86/50 USC 3605...
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REF ID:A63406 - 7 Remy Boing, to Process a quick review of the development of what we F aloo’ headla. 4 sala elactrical-roter machines.…
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REE, ED: A63406, | avin my-iibrary «brochure vhich-went-with_. one. interesting thing about Me. habers‘s, yotarg * veo worth awn He “aian't…
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ime mavhine x porsusded the’ War" Departuent to purchase ar sie from Mr. Hebern. ae Sei ~ “- ee at and studied’ it for ‘some veeks--three…
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ad REF ID:A63406 Maken. Re ures to feet, oTe Awouide-tarave Boker for Bakadie They also knev vbet bis sir escort vould be, wal go on. Fee…
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. REF ID:A63406 -+ “tee ote: could ake the’ selection f for ‘the aay cocording to the keying - seth atecting placea on. x. tapes, oP { the…
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CoA elng 4. ‘REF ID:A63406° = *" a wo : | _. ‘ ’ . 4 a 7 oo Se : wae . a .? . - Rod . en « WWata Wort g Va igriog foe the Aray and the Navy…
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REF. ID:A63406 | F. TD: R63 406 i La . 37 cg it, could’ inter - -coomindcate with the Seitian trem od the’ Bettiah ‘mad to wo are . aye? .…
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REF 'ID:A63406 74 Faptcie wa miasing. Maraing iesoages vere sent instantly to Washington and Men, o Poe sere was a erat ‘tons. The Arny…
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. wandact= REF “ID: 63406 cede Aaj Poclastenast Ka, commergiad ise machine but on taportant solthtontts, I think * aa Jat these . fag a Sc…
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REF iD: A63406 - sale hi tofert, rawdorue! thawed. Belt Ts dn the way 1 was done. Bere ta the tayboard for rr) aie . en" ~ ping out the p…
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REF ID:A63406 "Yamancto story in this morning's paper hes placed our activities in very Gifficult position. Eave meticulously concealed our…
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REF ID:A63406 * | “a oo hci the anusher of craptagraghic eystine 1 tm effect on 1 December aw am 3 desing cr sane peril, Décenbér gh 6am…
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" ehimaitlce Liat” fave mde solution on a regular basis possible. Ale 6 : Ne De oo Soe ia a 7 * fhis sort of wrdetiont experience means…
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REF ID:A63406°_ aa yo ete 6 tin ain rk it it mati r entigbccet y te micntnte. Bad, Couma,, ee Dies joaneu BH ares worn Wt do, ‘ a ermal Kae…
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‘REF If: A63406. - - . vet . wy soo . “s 2 nant te ’ = et ve have the =H, a ctphoay or ‘elerote security equizment.” Tt has ‘- “8 . a ‘Tele…
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ae One In vbat 1'Vo just 5 hoved you'll notice the emphasia placed on telephone " we os . - a+, Security devices ani systems, ani on…
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REF ID:A63406 “Hot only have we been beaten in the decisive battles of this war, but also we lost the communications war. We felt foolishly…
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REF ID: A63406 ; ta of American Intediigeace, the enemy had succeeded we inetpel cote then in use by the Japanese Navy. In this . wi- . war…
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wor. . ' ¥ : - . me ++] REF ID! A63406. ow orate . — we . _ : ’ : ~ os "thes air strikes on ti ) Floesti, ofl fields in southeastern…
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REF ID: AS34068, _ i« ; ects tentions had to be anoles up; ant obvioushy the road atone which erypto-~ = : . we + ot and develompat haa to…
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‘ tee (OREE, ID :A63406 “ i x, . - 74 : “: Ma . ; 2 ee : t mi eet Wha e slide pictures the U.S. Army A PF ~ ohish Meee AS 114, ond Uhr 2 ak…