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History
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The Vigenère cipher is named after Blaise de Vigenère (pictured), although Giovan Battista Bellaso had invented it before Vigenère described his autok
The Vigenère cipher is named after Blaise de Vigenère (pictured), although Giovan Battista Bellaso had invented it before Vigenère described his autokey cipher.
Cryptographic slide rule used as a calculation aid by the Swiss Army between 1914 and 1940.
Cryptographic slide rule used as a calculation aid by the Swiss Army between 1914 and 1940.
Confederate cipher wheel, captured at the surrender of Mobile, Alabama, in May 1865 – National Cryptologic Museum
Confederate cipher wheel, captured at the surrender of Mobile, Alabama, in May 1865 – National Cryptologic Museum
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Caesar cipher translated to a disk has both outer and inner plates having alphabets in the same direction and not the reverse as seen in CipherDisk200
Caesar cipher translated to a disk has both outer and inner plates having alphabets in the same direction and not the reverse as seen in CipherDisk2000.