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Generally speaking, cryptography has been the sole domain of governments. All governments of the world have a branch dedicated to the interception and decryption of encoded information. In [[America]], this is the [[CIA]]; in [[Britain]], it's [[MI5]]; in [[Vatican City]] it's [[Iscariot]] (Vatican Section XIII).

Generally speaking, cryptography has been the sole domain of governments. All governments of the world have a branch dedicated to the interception and decryption of encoded information. In [[America]], this is the [[CIA]]; in [[Britain]], it's [[MI5]]; in [[Vatican City]] it's [[Iscariot]] (Vatican Section XIII).

Cryptography has played a large part in many wars. In the [[World War I|First World War]], [[Mata Hari]] was responsible for carrying messages back and forth for the [[German]] government, causing the deaths of thousands of [[French]] soldiers.<ref>http://www.firstworldwar.com/bio/matahari.htm</ref> In the [[World War II|Second World War]], [[British]] soldiers captured the crew and The [[Enigma machine]] of German [[U-boat]] [[U-571]], leading to the decryption of [[Nazi]] communications and the end of the war.

Cryptography has played a large part in many wars. In the [[World War I|First World War]], [[Mata Hari]] was responsible for carrying messages back and forth for the [[German]] government, causing the deaths of thousands of [[French]] soldiers.<ref>http://www.firstworldwar.com/bio/matahari.htm</ref> In the [[World War II|Second World War]], [[British]] soldiers captured the crew and The [[Enigma machine]] of German [[U-boat]] [[U-571]], leading to the decryption of [[Nazi]] communications and the end of the war.

 

 

[[Ethel Rosenberg]] and [[Julius Rosenberg]] sold US atomic secrets to the [[USSR]] at the height of the [[Cold War]]. They were convicted and executed in the electric chair at [[Sing Sing]] prison.

== Modern Uses Of Cryptography ==

== Modern Uses Of Cryptography ==