BLACKER
Encyclopedia
BLACKER is a U.S. Department of Defense
United States Department of Defense
The United States Department of Defense is the U.S...

 computer network security project designed to achieve A1 class ratings of the Trusted Computer System Evaluation Criteria (TCSEC). The project was implemented by SDC
System Development Corporation
System Development Corporation , based in Santa Monica, California, was considered the world's first computer software company.SDC started in 1955 as the systems engineering group for the SAGE air defense ground system at the RAND Corporation...

 and Burroughs. It was the first secure system with trusted End-to-end encryption
End-to-end encryption
End-to-end encryption encrypts clear data at source with knowledge of the intended recipient, allowing the encrypted data to travel safely through vulnerable channels End-to-end encryption (E2EE) encrypts clear (red) data at source with knowledge of the intended recipient, allowing the encrypted...

 on the United States' Defense Data Network
Defense Data Network
The Defense Data Network was a computer networking effort of the United States Department of Defense from 1983 through 1995.-History:In 1975, the Defense Communication Agency took over operation of the ARPANET as it became an operational tool instead of a research project. In 1983, plans for a...

.

See also

  • RED/BLACK concept
    RED/BLACK concept
    The RED/BLACK concept refers to the careful segregation in cryptographic systems of signals that contain sensitive or classified plaintext information from those that carry encrypted information, or ciphertext ....

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