How to Update Dependable Secure Computing Systems from a Survivability Assessment Perspective?

Authors:
Li Bai;Saroj Biswas;Musoke Sendaula
Affiliations:
Temple University, USA;Temple University, USA;Temple University, USA
Venue:
DASC '07 Proceedings of the Third IEEE International Symposium on Dependable, Autonomic and Secure Computing
Year:
2007

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Proceedings of the 2010 ACM Symposium on Applied Computing

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Abstract

In this paper, we investigate how to compute an updating time for a dependable secure computing (DSC) system from a survivability assessment perspective. Generally speaking, to prevent adversaries from learning secret information in a DSC system, the secret information has to be updated in the system. The proposed method is based on a novel concept of survivability of reconfigurable systems presented earlier in [1]. It is shown that secret updating time increases with k, which is the number of secret shares for reconstructing the secret. The proposed method presents a solution for an important problem in the DSC system which is how to determine an appropriate updating time.