Page 210 - Trust in ICT 2017

3 Trust in ICT

Appendix IV
Use cases of trust provisioning for ICT infrastructures and services
This appendix describes the use cases of trust provisioning for ICT infrastructure, which can be shown in wide
range of the trust domains. In this appendix, use cases on smart home, smart office, document sharing, device
selection for data transmission, car sharing, and used car transaction services are introduced. Each use case
describes following items:

– Description: describes its background including high level description and illustration;
– Actors: play a role in each use case;
– Detailed service flow: describes a service flow for a use case;
– Trust matrix: represents trust relationship between actors;
– Analysis: explains details about trust relationship in trust matrix.

1 Smart home service

1.1 Description
This use case is to manage connected devices at home. Trust-based smart home service is to enable users to
monitor, control, and manage the home appliances and the devices remotely and safely at anywhere and
anytime. For this service, it is important for users that trusted data collection, process, analysis, decision-
making on the appliances and communication. Since the data, collected and generated at home contains
personal life cycle information, trustworthiness is the key factor for users to adopt the service. The use case
focuses on a trust provisioning at the home gateway that collects information from the electrical home
network and communicates it to a system for aggregating and processing the data on the smart home service
management platform. Services can then be developed from the collected data.
The home gateway performs an initial treatment of the data received from various sources (sensors, context)
as follows:
– Aggregating and processing the collected data;
– Sending data to the remote service platform.

Figure IV.1: Smart home service high level illustration

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