Boots – shoes – and leggings
Patent
1992-05-27
1995-07-11
Kriess, Kevin A.
Boots, shoes, and leggings
395575, 364DIG1, 364280, 3642809, 3642802, 3642864, G06F 944
Patent
active
054329396
ABSTRACT:
This invention relates to personal computer systems and, more particularly, to such a system having security features enabling control over access to data retained in such a system. The features here described include a prioritized initial loading program for enabling initial loading of an operating system from a selected one of a plurality of sources, the prioritized initial loading program normally designating an interpreter program as a final option default in the event of failure of access to an operating system from any other one of the plurality of sources; a security utility program for enabling a designated user to (a) selectively modify the initial loading program by specifying the number and priority order of the plurality of sources and (b) selectively modify the initial loading program by deleting the interpreter program from the plurality of sources; a master cryptographic key for use in encrypting and decrypting data processed by the system CPU; and a second security utility program for enabling a designated user to modify the master cryptographic key.
REFERENCES:
patent: 5022077 (1991-06-01), Bealkowski et al.
patent: 5128995 (1992-07-01), Arnold et al.
patent: 5136713 (1992-08-01), Bealkowsky et al.
patent: 5230052 (1993-07-01), Dayan et al.
patent: 5274816 (1993-12-01), Oka
Blackledge, Jr. John W.
Dayan Richard A.
Moeller Dennis L.
Newman Palmer E.
Zubay Kenneth J. P.
International Business Machines Corp.
Kriess Kevin A.
McConnell Daniel E.
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