impossible escapes; this is the world of espionage in WWII. Spies in WWII changed the war forever; using amazing gadgets and tricks, they crippled the enemy power. Codes were masterfully crafted at this time and language was used to its fullest to protect the secrets of battle. Code-breaking was close behind though, by developing new strategies and early computers they could quickly crack the most difficult codes. The Allies success in WWII was partially due to the efforts of code-breaking, codes
The so called Enigma machine, a electro-mechanical encryption machine developed by Arthur Sherbius at the end of the previous world war, made use of a substitution cypher. What made it almost impossible to crack was the fact that a mechanism inside the machine changed the substitution alphabet after every single letter. Its use on the other hand was very easy: the plaintext had to be typed on the keyboard of the machine to produce the ciphertext. If the recipient of the message entered the ciphertext
of Venice. It was set during the Venetian and Turkish war in the 16th century, a significant time at the start of the slave trade. Age, race, and experience constantly undermine their relationship. Racism is important to the
CHAPTER 1 INTRODUCTION 1.1 Cryptography The word cryptography is derived from the Greek words Cryptos meaning cover and grafia meaning writing [1] defining it as covered writing. In image cryptography the information is hidden exclusively in images. Cryptography is the art and science of secret communication .It is the practice of encoding/embedding secret information in a manner such that the existence of the information is invisible. The original files can be referred to as cover text, cover image