Cryptographic file labeling system for supporting secured access

Details Cryptographic file labeling system for supporting secured access Cryptographic file labeling system for supporting secured access

1996-05-06

1999-09-14

Hayes, Gail O.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

H04L 902

Patent

active

059534192

ABSTRACT:
A system is disclosed for automatically distributing secured versions (*Sys.sub.-- D.sub.-- key*) of a file decryption key (Sys.sub.-- D.sub.-- key) to a plurality of file users by way of the file's security label. The label is defined to contain a plurality of Access-Control-Entries Records (ACER's) where each ACER includes a respective secured version (*Sys.sub.-- D.sub.-- key*) of the file decryption key. Each such secured version (*Sys.sub.-- D.sub.-- key*) is decipherable by a respective ACER private key. Each ACER may include respective other data such as:

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