Document Type

Conference Proceeding

Language

eng

Format of Original

8 p.

Publication Date

12-2008

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Source Publication

11th IEEE High Assurance Systems Engineering Symposium

Source ISSN

1530-2059

Original Item ID

doi: 10.1109/HASE.2008.21

Abstract

The deployment of small handheld devices in a pervasive environment inevitably raises security concerns while sharing services. Trust models play a major role in guarding against privacy violations and security breaches. Though assignment of initial trust is an important issue, little work has been done in this area. Most of the prior research on trust models assume a constant level of the initial trust value. However, in a pervasive smart space, trust is context dependent. The need for security varies from context to context. In addition, some services, being shared in this environment, require high security while sharing. To ensure this, security levels should be incorporated in the initial trust calculation. In this paper, we propose a new initial trust model called ICSTB(integration of context security in trust bootstrapping). The model categorizes services or contexts in different security levels based on their security needs, and these security needs are considered in trust bootstrapping.

Comments

Accepted version. Published as part of the proceedings of the conference, 11th IEEE High Assurance Systems Engineering Symposium, 2008: 89-96. DOI. © 2008 The Institute of Electrical and Electronics Engineers. Used with permission.

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