JADE was the codename given by US codebreakers to a Japanese
World War IIWorld War II, or the Second World War , was a global military conflict which involved a majority of the world's nations, including all great powers, organized into two opposing military alliances: the Allies and the Axis...
cipher machine. The
Imperial Japanese NavyThe Imperial Japanese Navy , literally Navy of the Empire of Greater Japan was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...
used the machine for communications from late 1942 until 1944. JADE was similar to another cipher machine,
CORALCorals are marine organisms from the class Anthozoa and exist as small sea anemone-like polyps, typically in colonies of many identical individuals...
, with the main difference that JADE was used to encipher messages in
katakanais a Japanese syllabary, one component of the Japanese writing system along with hiragana, kanji, and in some cases the Latin alphabet. The word katakana means "fragmentary kana", as the katakana scripts are derived from components of more complex kanji....
using an alphabet of 50 symbols.
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JADE was the codename given by US codebreakers to a Japanese
World War IIWorld War II, or the Second World War , was a global military conflict which involved a majority of the world's nations, including all great powers, organized into two opposing military alliances: the Allies and the Axis...
cipher machine. The
Imperial Japanese NavyThe Imperial Japanese Navy , literally Navy of the Empire of Greater Japan was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...
used the machine for communications from late 1942 until 1944. JADE was similar to another cipher machine,
CORALCorals are marine organisms from the class Anthozoa and exist as small sea anemone-like polyps, typically in colonies of many identical individuals...
, with the main difference that JADE was used to encipher messages in
katakanais a Japanese syllabary, one component of the Japanese writing system along with hiragana, kanji, and in some cases the Latin alphabet. The word katakana means "fragmentary kana", as the katakana scripts are derived from components of more complex kanji....
using an alphabet of 50 symbols.
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