TheCodeBreakers
internal needs of secret communications within Communist spy rings.
The rule here seems to be that where Russians have devised the systems,
they are top-notch, and where local Communists who are natives of a
country have done so, they can be solved—often with disastrous effect. In
1955, for example, Swedish counterespionage police noticed that a
chauffeur at the Czech legation went to the Stockholm railroad station
each night to buy copies of the newspapers Kurier and Tidning, both
published in the provincial city of Karlskoga, where munitions are
manufactured.
[Codebreakers 373.jpg]
A sheet of a one-time pad captured on Communist spies in Japan, 1961. One side may
be for enciphering, the other for deciphering.
Studying the papers, police noticed a number of oddly worded
announcements. When they inserted similar advertisements, using the
annaabi.ee 
