"The Code Book" by Simon Singh

The book starts by explaining steganography and cryptography. Steganography is the process of hiding a message, hoot cryptography is the process of hiding its meaning. Examples of both argon circumstance with information on how the codes are used, and how they were broken. The main example is blinking(a) shame Queen of Scots code, the weakness of which led to her execution. Later, the book moves onto stronger forms of encryption much(prenominal) as the Vigenere square and homophonic substitution ciphers, which became popular afterwards on the 16th century. Continuing chronologically the chapter examines popular codes up to and by the 19th century. The books many well-explained examples clearly establish pop the on-going battle between cryptographers and cryptanalysts. The advent of radio and the First humanity beings War brought the cryptographers battle with cryptanalysts on to the world stage. Until this time, code-breakers had the upper run low over code make rs. However, new techniques and mechanization once once again gave code makers the advantage. The next chapter, Cracking the Enigma, details one of the sterling(prenominal) achievements in cryptanalysis history. expand of the effort, mostly by the British, with service from the Polish and French, to crack the German code machine are given. Language is discussed, and cryptography and cryptanalysis across language barriers is explored. dilate of how to decipher forgotten languages are given, with examples including Egyptian hieroglyphics and the Ro decorateta stone. With the advent of the Internet, set key swapping became a bigger issue. The work of Rivest, Shamir, and Adleman (RSA) combined with that of Diffie and Hellman drop dead produced the first common public-key system. For the first time, the secure key swapping difficultness had been truly solved. The Internet age brought the issue of security and undercover to the masses. Phil Zimmerman developed PGP to bring secure communication to everyone. Th! is was done in... If you requirement to get a full essay, order it on our website: BestEssayCheap.com

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