Cryptography | Enigma M4steemCreated with Sketch.

in #worldwar7 years ago (edited)

Enigma M4

image

The German Kriegsmarine introduced the notorious Enigma M4 in 1942. It was the most effective cipher machine at that time M4 had 4 instead of 3 rotors, but also the 4th of the rotor can't step when the stepping mechanisms was identically in the 3-rotor version. Initial 10 months of blackout the British cryptanalyst in Bletchley Park maked in breaking into the M4 message traffic, the codename was SHARK thanks to analysis of the 4th rotor and the capturing of Code Books & weather codes that was used as cribs, JADE was the codename, given by the United State to the Japanese cipher devices which was used by the Imperial Japanese Navy (IJN) from the year 1942 to yaer 1944. That was used to decipher messages in katakana with the makes use of an alphabet of 50 characters long.

Sort:  

Congratulations @sujityadav! You have completed some achievement on Steemit and have been rewarded with new badge(s) :

Award for the number of upvotes received

Click on any badge to view your own Board of Honor on SteemitBoard.
For more information about SteemitBoard, click here

If you no longer want to receive notifications, reply to this comment with the word STOP

By upvoting this notification, you can help all Steemit users. Learn how here!

great post, sujityadav as usual!

Congratulations @sujityadav! You have completed some achievement on Steemit and have been rewarded with new badge(s) :

You published 4 posts in one day

Click on any badge to view your own Board of Honor on SteemitBoard.
For more information about SteemitBoard, click here

If you no longer want to receive notifications, reply to this comment with the word STOP

By upvoting this notification, you can help all Steemit users. Learn how here!

Coin Marketplace

STEEM 0.21
TRX 0.20
JST 0.034
BTC 99341.76
ETH 3285.44
USDT 1.00
SBD 3.05