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CRYPTOLOGY IN WWII. By JOE & SEAN. SIGABA. SIGABA was similar to the Enigma in basic theory A series of rotors enciphered every character of the plaintext into ciphertext 15 rotors Five cipher rotors Five control rotors Five index rotors. Women of Bletchley Park.
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CRYPTOLOGY IN WWII By JOE & SEAN
SIGABA • SIGABA was similar to the Enigma in basic theory • A series of rotors enciphered every character of the plaintext into ciphertext • 15 rotors • Five cipher rotors • Five control rotors • Five index rotors
Women of Bletchley Park • the site of the United Kingdom's main decryption establishment • 80% of the people at Bletchley Park were women • decoded secret messages encrypted by Enigma • WRENS-working in radio communications and clerical work
Navajo Code Talkers • Philip Johnston proposed the use of Navajo to the United States Marine Corps • Navajo • Unwritten Language • Fewer than 30 non-Navajo people could speak language • Code • modeled on the Joint Army/Navy Phonetic Alphabet that uses agreed-upon English words to represent letters • Three line message decoded • 20 seconds using Navajo code • 30 minutes using machine
References • http://www.nationalmuseum.af.mil/factsheets/factsheet.asp?id=9722 • http://www.squidoo.com/women-bletchley-park • http://www.awesomestories.com/flicks/wind-talkers