1 / 5

CRYPTOLOGY IN WWII

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.

aiko-blevins
Télécharger la présentation

CRYPTOLOGY IN WWII

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. CRYPTOLOGY IN WWII By JOE & SEAN

  2. 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

  3. 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

  4. 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

  5. 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

More Related