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Rothstein, Jerome – 1977
Addressing the problem of protecting confidential information and data stored in computer databases from access by unauthorized parties, this paper details coding schemes which present such astronomical work factors to potential code breakers that security breaches are hopeless in any practical sense. Two procedures which can be used to encode for…
Descriptors: Algorithms, Codification, Computer Programs, Confidentiality
Epstein, Marion G. – 1974
In planning the development of the system for computer assisted assembly of tests, it was agreed at the outset that one of the basic requirements for the successful initiation of any such system would be the development of a detailed item content classification system. The design of the system for classifying item content is a key element in…
Descriptors: Classification, Codification, Computer Oriented Programs, Computer Programs