Multiple user stored data cryptographic labeling system and meth

Details Multiple user stored data cryptographic labeling system and meth Multiple user stored data cryptographic labeling system and meth

1990-05-25

1991-09-24

Tarcza, Thomas H.

Cryptography

Cryptanalysis

380 25, 380 50, 34082531, 34082534, H04L 932

Patent

active

050520407

ABSTRACT:
There is disclosed a system and method of extending the labels on an encryption technique so that different users can utilize the same files under different rights established by both the user and the system administrator. This system and method take advantage of an extension of the file label which contains configuration capabilities and user rights and privileges to that file. The extended labeling is expandable so that several users can each be identified having specific rights and specific encryption capability with respect to the file.

REFERENCES:
patent: 4713753 (1987-12-01), Boebert et al.
patent: 4835682 (1989-05-01), Kurachi et al.
patent: 4864616 (1989-09-01), Pond et al.

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