Scanned Document - National Security Agency

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Noted below is an encoded letter that communications instrument, especially since reveals the way the American spies used the it had codenumbers for twenty-two of the code to disguise their messages: twenty-seven most frequently written words in the English language. This Tallmadge code, despite its inherent weaknesses due to alphabetical-numerical sequencing, provided an effective secret Sir Dqpeu [Jonas] beyocpu [Hawkins] agreeable to 28 [appoint] met 723 [Culper Junr.] ot far from 727 [New York] & received a 356 [letter], but on his return was under the ecessity to destroy the same, or be detected, but have the satisfaction to informe you that es [sic] nothing of 317 [important] to 15 [advise] you of. Thers [sic] been no augmentation 92 [ship] of 680 [war] or 347 [land] forces, and everything very quiet. Every 356 [letter] s opened at the entrance of 727 [New York] and every 371 [man] is searched, that for the ture every 356 [letter] must be 691 [write] with the 286 [ink] received. They have some 345 know] of the route our 356 [letter] takes. Ijudge it was mentioned in the 356 [letter] taken r they would not be so 660 [vigilant]. I do not think it will continue long so. I intend to visit 7 [New York] before long and think by the assistance of a 355 [lady] of my acquaintance, all be able to out wit them all. The next 28 [appoint] for 725 [C. Brewster] to be here is the of 616 [seventy, though Culper meant to write 617 for August] that it is so prolonged. It may better times before then. I hope ther [sic] will be means found out for our deliverance. othing could induce me to be here but the ernest [sic] desire of 723 [Culper Junr.]. Friends
Espionage Code Source: Papers of George Washington, Library of Congress a an all at and art arms about above absent absurd adorn adopt adore advise adjust adjourn afford aifrent affair again april agent alter ally any appear appoint august approve arrest arraign amuse assign assume attempt clothier company attone attack alarm action accomplish apprehend abatis accommodate alternative artillery ammunition be bay by best but buy bring boat barn banish baker battle better beacon behalf bitter bottom bounty bondage barron brigade business battery battalion british deliver desolate camp came cost corps change carry clergy common consult contest contract content Congress captain careful city clamour column COPY cover county courage credit custom compute conduct comply confine caution conquer coward confess convict cannon character circumstance forget fulfil[sic]
Page 2: : This pubhation is distributed FWE
Page 5 and 6: This is an examination of codes and
Page 7 and 8: But why a cyipher between us . . .
Page 9 and 10: Decisive for the security process w
Page 11 and 12: for successful secret communication
Page 13 and 14: In the mid-185os, British military
Page 15 and 16: Mahoney, Larry McDonald, Michael Mu
Page 17 and 18: The Dumas Cipher (Partial) v o u l
Page 19 and 20: "Friend Jiitznzjr 's Gwlz ers ": Ja
Page 21 and 22: confusion about the cipher. In writ
Page 23 and 24: prophetic message written in cipher
Page 25 and 26: letter, "Probably CUPID" and agreed
Page 27 and 28: This author's decipherment reads: e
Page 29 and 30: sent the young lady on her way with
Page 31 and 32: Pulling no punches, Church describe
Page 33 and 34: 14,500 men were fit for active duty
Page 35 and 36: I I. ~~"r.:":::;"I(::! ;\ L .-""" ~
Page 39 and 40: July 22/23,1775 Appendix C TO K4JOR
Page 41 and 42: I. Church probably misspelled Stamf
Page 43: Brewster to Tallmadge or Enoch Hale
Page 47 and 48: discover december demolish head hig
Page 49 and 50: negligence 473 novembr 474 necessar
Page 51 and 52: welfare 744 willing 745 winter 746
Page 53 and 54: '5. Tallmadge to Washington, n.p.,
Page 55 and 56: number. Hence, according to the exa
Page 57 and 58: 4. John Jay to MTilliam Bingham, St
Page 59 and 60: touch it with coal dust and you wil
Page 61 and 62: Chapter 7 American Postal Intercept
Page 63 and 64: department of foreign affairs that
Page 65 and 66: Exactly three months after Livingst
Page 67 and 68: These creative new code forms in th
Page 69: Chinese manner, namely, the first l
Page 72 and 73: 3rd. operation to decypher. your co
Page 74 and 75: 1. Robert Patterson to Thomas Jeffe
Page 76 and 77: Suppose 1 have to cypher this phras
Page 78 and 79: A Classic American Diplomatic Code
Page 80 and 81: Notes 1. James Madison to Edmund Ra
Page 82 and 83: Africa America Against Army Article
Page 84 and 85: Source: Ralph E. Weber's United Stu
Page 86 and 87: Aaron Bum's "Cipher Lef ter" An imp
Page 88 and 89: 6 numerous pronouns, verbs, and amo
Page 90 and 91: the fighting ended? In 1864 Myer ha
Page 92 and 93: of components of the work is of int
Page 95 and 96:
and also because Trist's cover ende
Page 97 and 98:
fntemal Struggle: The Civil War The
Page 99 and 100:
page and position from the book. Si
Page 101 and 102:
Signal Corps' transmission security
Page 103 and 104:
strongly go ought surely free witho
Page 105 and 106:
BOY GREATLY 1 FOR (BURTON) THE (WIL
Page 107 and 108:
From his headquarters in Nashville,
Page 109 and 110:
P.S, Colonel Stager is the confiden
Page 111 and 112:
To summarize the American experienc
Page 113 and 114:
Seward9s Other Folly: America's Fir
Page 115 and 116:
communications security, especially
Page 117 and 118:
satisfactory to all. Seward promise
Page 119 and 120:
Following the lecture, letters from
Page 121 and 122:
in order to forestall any rumors ab
Page 123 and 124:
November twenty-third, eighteen six
Page 125 and 126:
United States and three times more
Page 127 and 128:
mid-October. However, a reluctant H
Page 129 and 130:
Similar messages came from Paris an
Page 131 and 132:
and his guests, celebrating the tel
Page 133 and 134:
had not written a request for rate
Page 135 and 136:
1867. The source for these cable re
Page 137 and 138:
December 1866, RG 59, M77, Q 8, NA.
Page 139 and 140:
81. Hunt to Seward, the Petition, F
Page 141 and 142:
Because of the expensive 23 Novembe
Page 143 and 144:
This thrifty complex code, designed
Page 145 and 146:
1. Deposition of William Seward, 27
Page 147 and 148:
Chew David Davis Hunt Ralph Norton
Page 149 and 150:
Ellen 5 Nora Edith 6:30 Nina Flora
Page 151 and 152:
"Cipher" Dispatches and the Electio
Page 153:
Tilden-Hendricks campaign poster 16
Page 156 and 157:
and Republican parties went into th
Page 158 and 159:
publicized in the newspapers, would
Page 160 and 161:
previous business dealings with J.N
Page 162 and 163:
To W. T. Pelton, Portland, Oregon,
Page 164 and 165:
W. T. Pelton, Tilden's nephew, who
Page 166 and 167:
telegrams, the Tribune focused on t
Page 168 and 169:
There were two different keys for m
Page 170 and 171:
Number Code According to Holden, Co
Page 172 and 173:
Other Ciphers English Key A Key B K
Page 174 and 175:
and every honorable sacrifice, but
Page 176 and 177:
16. New York Times, 8 February 1877
Page 178 and 179:
Chapter 21 John H. Haswell: Codemak
Page 180 and 181:
plaintext word or phrase. Then, if
Page 182 and 183:
Honorable Mention for his assistanc
Page 184 and 185:
Chapter 22 The Red Code ofthe Depar
Page 186 and 187:
probably devised by the founder of
Page 188 and 189:
ecoming a telegraph operator in on
Page 190 and 191:
number, ''45202." For the word agai
Page 192 and 193:
DISINCLINES STRODE STRODE ORTHOGRAP
Page 194 and 195:
did not want even one code clerk, l
Page 196 and 197:
1906, China, Microcopy 77, Roll 39,
Page 198 and 199:
U.S. Military Cryptography in the L
Page 200 and 201:
participants were a future chief si
Page 202 and 203:
the idea for better communications
Page 205 and 206:
1899 Blue Code Sheet
Page 207 and 208:
into two, three, and four columns;
Page 209 and 210:
decade earlier, President Woodrow W
Page 211 and 212:
the OfSice of Naval Intelligence. W
Page 213 and 214:
..*..*..m.*..*.....* o*m*o*ooo*m*o*
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Scanned Document - National Security Agency

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