System for optimized key management with file groups

Details System for optimized key management with file groups System for optimized key management with file groups

2007-01-30

2007-01-30

Sheikh, Ayaz (Department: 2131)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Security kernel or utility

C713S166000, C380S277000

Reexamination Certificate

active

09984928

ABSTRACT:
A group manager module may provide the capability to segregate or associate files into file encryption groups. A file may be placed into a file encryption group based on the attributes of the file. The attributes may be characteristics/parameters that describe who has access to a file such as UNIX permission/mode bits (group-read/write/executable bit, owner-read/write/executable bits, users-read/write/executable bits) or other system for access control lists (ACLs). Once associated with a file encryption group, the file may be encrypted with the encryption (or write) key of the selected file encryption group, and thus, decrypted with the decryption (or read) key of the file encryption group. A user may have membership into multiple file encryption groups as long as the user possesses the appropriate read/write key pairs. Membership of a file in a file encryption group is determined automatically by the system based on the permission attributes assigned by the system—groups are not explicitly created by administrators or other centralized authority. It is not users that belong to groups based on their access rights, but files which belong to groups based on their permission attributes.

REFERENCES:
patent: 5495533 (1996-02-01), Linehan et al.
patent: 5548648 (1996-08-01), Yorke-Smith
patent: 5584023 (1996-12-01), Hsu
patent: 5953419 (1999-09-01), Lohstroh et al.
patent: 6577735 (2003-06-01), Bharat
patent: 6662198 (2003-12-01), Satyanarayanan et al.
patent: 2002/0166053 (2002-11-01), Wilson
patent: 2003/0005300 (2003-01-01), Noble et al.
patent: 2003/0037248 (2003-02-01), Launchbury et al.
patent: 2005/0108240 (2005-05-01), Bolosky et al.
Fu, Kevin et al., “Fast and Secure Distributed Read-Only File System”, MIT Laboratory for Computer Science, 545 Technology Square, Cambridge, MA 02139, http://www.fs.net/; Date unknown, Pages not numbered.
Blaze, Matt, “A Cryptographic File System for Unix”, 1st Conf.-Computer & Comm. Security '93-Nov. 1993—VA, USA, pp. 9-16.

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