Unformatted text preview: oncerned with signals intelligence; its mandate is to listen in on and decode all foreign communications of interest to the security of the United States. The following paragraphs are excerpted from NSA’s original charter, signed by President Truman in 1952, and classified for many years thereafter : The COMINT mission of the National Security Agency (NSA) shall be to provide an effective, unified organization and control of the communications intelligence activities of the United States conducted against foreign governments, to provide for integrated operational policies and procedures pertaining thereto. As used in this directive, the terms “communications intelligence” or “COMINT” shall be construed to mean all procedures and methods used in the interception of communications other than foreign press and propaganda broadcasts and the obtaining of information from such communications by other than intended recipients, but shall exclude censorship and the production and dissemination of finished intelligence. The special nature of COMINT actives requires that they be treated in all respects as being outside the framework of other or general intelligence activities. Orders, directives, policies, or recommendations of any authority of the Executive Branch relating to the collection, production, security, handling, dissemination, or utilization of intelligence, and/or classified material, shall not be applicable to COMINT actives, unless specifically so stated and issued by competent department or agency authority represented on the Board. Other National Security Council Intelligence Directives to the Director of Central Intelligence and related implementing directives issued by the Director of Central Intelligence shall be construed as non-applicable to COMINT activities, unless the National Security Council has made its directive specifically applicable to COMINT. NSA conducts research in cryptology, both in designing secure algorithms to protect U.S. communications and in designing cryptanalytic techniques t...
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- Fall '10
- Cryptography, Bruce Schneier, Applied Cryptography, EarthWeb, Search Search Tips