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Biuro Szyfrów
The
Biuro Szyfrów
(,
Polish
for "
Cipher Bureau
") was the
interwar
Polish General Staff
's
Second Department
's agency charged with both
cryptography
(the
use
of
ciphers
and
codes
) and cryptology (the study of ciphers and codes, particularly for the purpose of "breaking" them).
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