Cryptography – Key management – Having particular key generator
Patent
1993-05-04
1995-08-29
Black, Thomas G.
Cryptography
Key management
Having particular key generator
395600, 380 4, 364DIG1, 3642821, 3642865, G06F 1214
Patent
active
054469031
ABSTRACT:
The security of data elements which represent an industrial process, which are manipulated by users on a data processing system and in which the industrial process includes a series of industrial process steps, are controlled by permitting groups of users to access predetermined data elements based on the industrial process step at which the industrial process is currently active. A user is prevented from accessing the requested element if the industrial process is not at an industrial process step corresponding to one of the industrial process steps for which the user has authority to access the data element. Thus, access to data is prevented based on the status of the data, in addition to the type of data. When selected database elements are associated with one of many locations, access is also denied to a user based on the location. Security access based on status and location may be provided in response to a change in the current industrial process step. Access authority to the data elements is changed compared to the access authority at the immediately preceding industrial process step based on mappings in one or more tables. Improved security of data elements which represent an industrial process is thereby provided.
REFERENCES:
patent: 4525780 (1985-06-01), Bratt et al.
patent: 4698752 (1987-10-01), Goldstein et al.
patent: 4713753 (1987-12-01), Boebert et al.
patent: 4807108 (1989-02-01), Ben-Arielt et al.
patent: 5008853 (1991-04-01), Bly et al.
patent: 5133075 (1992-07-01), Risch
patent: 5151987 (1992-09-01), Abraham et al.
patent: 5161223 (1992-11-01), Abraham
patent: 5161225 (1992-11-01), Abraham et al.
patent: 5191534 (1993-03-01), Orr et al.
Shimyzu et al., "Hierarchical Object Groups in Distributed Operating Systems", IEEE 1988 pp. 18-24.
Vinter, "Extended Discretionary Access Controls", IEEE 1988, pp. 39-49.
Robinson et al., "Domain-Based Access Control For Distributed Computing Systems", Software Engineering Journal, Sep. 1988.
Abraham Robert L.
Mitchell Herman
Panuganti Badari N.
Stowers Laura A.
Black Thomas G.
International Business Machines - Corporation
Loomis John C.
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