.AlllED J'OR:ES SECUB1'ft' W.ASBilUl'ON 25 I D. c. COUBSE IN Tiii!: CR!PJ?ABALYSIS OF MACHDE CIPBEBS - "ZZ" SBRIBS ***** '!be 35 messages comprising this problem wen selected from a lm'ge amount ot homopDeous traffic because they h8l1 iaentical indicators, aDd tbaref'OJ:9" l.ibly to be in cryptogrep'b.ic depth. 'fbeae masages wre intercepted on e4m.1Diat1"ative nets 1 an4 be a;pected to begin vi th the apen1Dg stereotypes often f'oulld in adm1n1,atratin traffic. Sol.ve the cipher texts ot the •asages, recove.r tbe alphabets in- volved, and reconstruct all. elemnt• ot tbe particu1a:r -.chine. 'l?ra1Ding Division ll Jfebruar7 l.952 Declassified and approved for release by NSA on 05-19-2014 pursuant to E.O. 1352e RESTRICTED
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.AlllED J'OR:ES SECUB1'ft' ~ W.ASBilUl'ON 25 I D. c.
COUBSE IN Tiii!: CR!PJ?ABALYSIS OF MACHDE CIPBEBS - "ZZ" SBRIBS
*****
'!be 35 messages comprising this problem wen selected from a lm'ge
amount ot homopDeous traffic because they h8l1 iaentical indicators,
aDd tbaref'OJ:9" l.ibly to be in cryptogrep'b.ic depth. 'fbeae masages wre
intercepted on e4m.1Diat1"ative nets 1 an4 ~ be a;pected to begin vi th
the apen1Dg stereotypes often f'oulld in adm1n1,atratin traffic.
Sol.ve the cipher texts ot the •asages, recove.r tbe alphabets in
volved, and reconstruct all. elemnt• ot tbe particu1a:r -.chine.
'l?ra1Ding Division ll Jfebruar7 l.952
Declassified and approved for release by NSA on 05-19-2014 pursuant to E.O. 1352e
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