Hierarchical key management

Details Hierarchical key management Hierarchical key management

2005-12-13

2005-12-13

Darrow, Justin T. (Department: 2132)

Cryptography

Key management

C380S045000, C380S281000, C380S284000

Reexamination Certificate

active

06975728

ABSTRACT:
The present invention discloses a general-purpose hierarchical key management method and apparatus whose trusted operation, with respect to compromise of keying material, does not depend upon the controlling application. This enables designs that separate secure key management from the application-specific use of the keying material, and enables the rigorous evaluation of the key management module.

REFERENCES:
patent: 4941176 (1990-07-01), Matyas et al.
patent: 5142578 (1992-08-01), Matyas et al.
patent: 6307936 (2001-10-01), Ober et al.
W. Diffie and M.E. Hellman, “New Directions in Cryptography,” IEEE Transactions on Information Theory, v.IT-22, No. 6, Nov. 1976, pp. 664-654.
J. Kohl, B. Neuman, and T. Ts'o. “The Evolution of the Kerberos Authentication Service,” in Distributed Open Systems, F. Brazier and D. Johansen, editors, IEEE Computer Society Press, Los Almitos, CA 1994.

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