"greto" - 1 õppematerjal

TheCodeBreakers

See also Mail opening; Traffic volume; Wiretapping International Business Machines Corporation, 394 Machines, 300, 302, 305, 308, 318, 320, 326, 332-333 International Code Machine Company, 207 International Communication Laboratories, 203 International Telephone and Telegraph 203 Inventors, 388-389, 402-408 Inversion, 292 Inverter, 292, 294 Invisible inks, 169-170, 275, 276, 284-287 Isomorphic cryptograms, 23 Italy Servizio Informazione Mili- taire, 246-248 Servizio Informazione Se- greto, 245-246 See also B section; Sezione 5; Sezione 6; Venice Ito, S., 46 j series of Japanese diplomatic codes, 15, 19-20, 39, 220 J19, 39 Ja, 175 Janssen, H. P. M., 282 Japan, 1-68, 173-175, 266, 273-274, 301, 303, 307, 310-311, 322, 330, 332 See also Ango Kenkyu Han; Tokumu Han "Japanese Diplomatic Secrets," 181 Jargon code, 281-282 Jefferson cipher, 114-116, 191, 222 See also csp-642; M-94; M-138 Jerdan, W., 404 JN25, 8, 12, 45, 301, 303, 307, 311-312, 314, 332 jN25b, 8, 12, 303, 307