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A History of U. S. Communications Security (Volumes I and Ii);1973

By: David G. Boak

...se where we employ erAK (cipher text auto-key) or where syncbronization is dependent on internal clocks rather than timing elements of Ibc cipher text... ...s; so, in fact, the wait must have seemed interminable when one WBDted to say "BIIIldit at two o'clock.II ~er-basedaircraft ultimately adopted wbat wa...

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