In this paper, we propose a unified framework for trust management that can cover a broad variety of trust mechanisms including reputations, credentials, local data and environment parameters. The proposed trust management framework leverages established standards and it covers a broad variety...

The computational encryption is used intensively by different databases management systems for ensuring privacy and integrity of information that are physically stored in files. Also, the information is sent over network and is replicated on different distributed systems. It is proved that a...

RFID introduction is a hotly debated public policy issue. The technology enables physical environments to become more interactive and supportive by tagging each item with a chip that wirelessly communicates with a service-enriched backend infrastructure. Based on a number of user studies at...

Purpose – The purpose of this paper is to develop an efficient tool to ensure traceability data entry based on RFID and improve the detection of fakes inside the supply chain. Design/methodology/approach – First, the authors put forward a secure traceability system with a cryptographic...

In der Arbeit soll die Wirtschaftlichkeit von Zertifizierungsstellen in Deutschland untersucht werden. Es erfolgt eine kurze Einführung in die technischen Grundlagen von Zertifizierungsstellen und Zertifikaten, die neben kryptographischen Verfahren der Verschlüsselung und Signatur die im...

The problem of sharing manufacturing, inventory, or capacity to improve performance is applicable in many decentralized operational contexts. However, the solution of such problems commonly requires an intermediary or a broker to manage information security concerns of individual participants....