The NSA And GCHQ
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|The NSA and GCHQ
The Development of Monitors
If you want to keep information secret, you have two possible strategies: hide the existence of the information, or make the information unintelligible. Cryptography is the art and science of keeping information secure from unintended audiences, of encrypting it. Conversely, cryptanalysis is the art and science of breaking encoded data. The branch of mathematics encompassing both cryptography and cryptanalysis is cryptology. This method of secrecy has existed since 1900 B.C. in the form of Egyptian hieroglyphs. Up to the present two organizations have come to the front of the field; United States’ National Security Agency (NSA) and United Kingdom’s Government Communications Headquarters (GCHQ). In order to understand these institutions in their current state one must know their origins.
Although the National Security Agency is only forty-five years old (established by order of President ...
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