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BLACKER is the name given by the U.S. Department of Defense to a project designed to achieve A1 class ratings of the Trusted Computer System Evaluation Criteria (TCSEC).[1][2] The project was implemented by SDC and Burroughs. It was the first secure system with trusted End-to-end encryption on the United States' Defense Data Network.[3]

See also[]

  • RED/BLACK concept for segregation of sensitive plaintext information (RED signals) from encrypted ciphertext (BLACK signals)


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