TheCodeBreakers
Czarist, 341-342
diplomatic cryptosystems, 368
military cryptosystems, 350, 351, 353, 354, 355-356, 362-363, 364
spy cryptosystems, 368-369,
371-372, 376-377 World War I, 344-357 World War II, 362-370
s code, 330-331
Safford, L. F., 11-12, 192-
193, 208, 269, 315 Samsonov, A., 346-349 Sandier, R., 259 Samoff, D., 16 Satake, T., 324, 327 Schapper,
Gottfried, 225 Schauffler, R., 216, 218, 224 Schellenberg, W., 227-228,
230, 298
Scherbius, A., 210, 329 Scherschmidt, H., 216 Schimpf, H., 225 Schlusselheft, 155-157, 159 Schutzstaffel
(S.S.), 225-226 Scientific method, 441 Scramblers, 290-298, 386, 423 S.D. See Sicherheitsdienst SEALION,
operation, 264-265 Secrecy, 452 Secret Office, 109 Seebohm, A., 253, 254 Segerdahl, E. O., 258, 260 Selchow,
K., 216, 218 Semagrams, 281, 283-284 Service du Chiffre, 163 Servizio Informazione Mili-
taire, 246-248 passim Servizio Informazione Segre-
to, 245
Sezione 5, 246-248 Sezione 6, 246, 247-248 Shakespeare-Bacon controversy, 184-185, 416, 459 Shannon, C. E.,
annaabi.ee 
