Issue 15 - Nov 2005
An Australian mathematician has revealed that a fatal flaw in the Japanese navy war code helped the Allies win World War II.
JN-25 is the name used by Western cryptography organizations for the main secure command and control communications scheme used by the Imperial Japanese Navy (JIN) during and before World War II (it was the 25th Japanese Navy system identified).
Recognising that pattern and finally cracking the secret code was critical in helping the Allies win the Battle of Midway, one of the turning points of the Pacific War.
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