Virtual authentication network for secure processors

Details Virtual authentication network for secure processors Virtual authentication network for secure processors

1996-06-12

1998-10-13

Tarcza, Thomas H.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 23, H04K 100, H04L 900

Patent

active

058224319

ABSTRACT:
The integrity of a group of secure processing elements in a communication system is ensured with a validation scheme. Member elements are checked by adjacent members to determine whether a member has been tampered with or operatively removed from a group. If a member is found to be untrustworthy, propagation of group characteristic information to that member will be halted. The group characteristic information defines the group, and is required by each group member in order to function. The untrustworthy member is therefore effectively exiled from the group. An efficient network topology minimizes inter-member message traffic while maintaining group robustness.

REFERENCES:
patent: 5148479 (1992-09-01), Bird et al.
patent: 5533127 (1996-07-01), Luther
patent: 5535276 (1996-07-01), Ganesan
patent: 5548721 (1996-08-01), Denslow
R. Dorf, ed., The Electrical Engineering Handbook, CRC Press, Boca Raton, Florida, 1993, pp. 2081-2084.

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