SUMMARY

In this article, the authors shall propose a simple and efficient authentication scheme for mobile satellite communication systems. The proposed scheme can achieve the following security requirements: (S1) withstand impersonation attacks; (S2) withstand denial server attacks; (S3) withstand smart card loss attacks; (S4) withstand replay attacks; and (S5) withstand stolen-verifier attacks, and achieve the following functionality requirements: (F1) freely choose identity; (F2) provide mutual authentication; (F3) provide session key agreement; (F4) provide user anonymity; and (F5) provide perfect forward secrecy. In additional, the proposed scheme does not use the high complex computation, such as public key cryptosystem or secret key cryptosystem, for the mobile users' side. The proposed scheme is only based on hash functions and exclusive-OR operations. Compared with other schemes, the proposed scheme has a lower computation cost. It is more simple and efficient scheme. Copyright © 2011 John Wiley & Sons, Ltd.

A simple and efficient authentication scheme for mobile satellite communication systems

The disclosure relates to a trust heuristic model for reducing a control load in an IoT resource access network. For example, an authenticating node may challenge a client node that requests access to a resource and grant the access if the client node correctly responds to the challenge or alternatively deny the access if the client node incorrectly responds to the challenge. Furthermore, based on the response to the challenge, the client node may be assigned a trust level, which may be dynamically updated based on successive challenge-and-response exchanges and/or interactions with other IoT network nodes. For example, to reduce the resource access control load, subsequent challenge-and-response intervals may be increased or eliminated if the client node correctly responds to successive challenges over time, while client nodes that incorrectly respond to successive challenges over time may be blocked from accessing the resource or banned from the IoT network.

Trust heuristic model for reducing control load in IoT resource access networks

An adversary model to evaluate DRM protection of video contents on iOS devices

Recent years have seen the swift development and deployment of Internet-of-Things (IoT) applications in a variety of application domains. In this scenario, people worldwide are now ready to delight the benefits of the Internet of Things (IoT). The IoT is emerging as the third wave in the evolution of the Internet. The 1990s’ Internet wave connected 1.2 billion subscribers while the 2000s’ mobile wave connected another 2.4 billion. Actually, IoT is expected to consist of more than 84 billion connected devices generating 186 zettabyte of data by 2025, in the opinion of IDC. It includes major types of networks, such as distributed, ubiquitous, grid, and vehicular, these have conquered the world of information technology over a decade. IoT is growing fast across several industry verticals along with increases in the number of interconnected devices and diversify of IoT applications. In spite of the fact that, IoT technologies are not reaching maturity yet and there are many challenges to overcome. The Internet of Things combines actual and virtual anywhere and anytime, fascinate the attention of both constructor and hacker. Necessarily, leaving the devices without human interference for a long period could lead to theft and IoT incorporates many such things. In this paper, we are briefly discussing technological perspective of Internet of Things security. Because, the protection was a major concern when just two devices were coupled. In this context, security is the most significant of them. Today scenario, there are millions of connected devices and billions of sensors and their numbers are growing. All of them are expected secure and reliable connectivity. Consequently, companies and organizations adopting IoT technologies require well-designed security IoT architectures.

/pdf/the-internet-of-things-iot-security-a-technological-1prw7epx13.pdf

The Internet-of-Things (IoT) Security : A Technological Perspective and Review

A successful transaction of digital contents is primarily dependent on security policies, trust relationships and benefit equilibriums among various participants in a DRM (Digital Rights Management)-enabling contents value chain ecosystem. We first analyzed basic value chain architectures in existence, together with some fundamental security and trust requirements. And then, a state-ofthe-art anatomy of the security and trust related to DRM was presented from different stakeholder’ perspectives. Next, some challenges for multi-party mutual trust, not just inclined to any of participants, were proposed based on the holistic consideration of the digital contents/rights protection and the benefits balance. Finally, a conclusion was drawn that the rights-benefits-centric DRM ecosystem and the resulting trust relationship are crucial for the survivability of the contents industry.

/pdf/security-and-trust-in-digital-rights-management-a-survey-4s4d6bse23.pdf

Security and Trust in Digital Rights Management: A Survey

UCONABC is a basic framework of next generation access control policy Usage Control that is composed of Authorization-oBlige-Condition components, but so far it lacks of important delegation characteristic. The paper analyses the behaviors of delegation in UCON based on OM-AM engineering principles, presents a formalized usage control model with delegation features using BNF Extensions, called as UCOND, and further articulates its hybrid architecture based on Client & Server Delegation Reference Monitors and relative key protocol functions. UCOND is an extension model of UCONABC in the aspect of delegation authorization, and it resolves the delegation question of Usage Control Model. Moreover, we specify delegation procedure of an application for Digital Medium Resource Distribution System.

Research on Usage Control Model with Delegation Characteristics Based on OM-AM Methodology

Digital Rights Management ecosystem is composed of various participants, which adopt different security policies to meet their own security requirements, with a goal to achieve individual optimal benefits. However, from the perspective of the whole DRM-enabling contents industry, a simple adoption of several increasingly enhanced security policies does not necessarily implement an optimal benefit balance among participants. A game-theoretic analysis of adoptions of security policies was emphasized based on a proposed General DRM value chain ecosystem without the loss of generality. First, we formalized security policies and fundamental properties that include internal relativity and external one, together with multiparty game on adoptions of security policies. Also, a cooperative game among digital Contents Provider, Rights/Service Provider and digital Devices Provider, as well as a non-cooperative game between Providers and Consumers were presented. Final, a stable core allocation of benefits and Nash Equilibriums were found out, respectively. It is clearly concluded that the cooperative game has important super-addivitity and convexity, thus simultaneous adoptions of security policies with external relativity being helpful to achieve Pareto Optimality by using a pre-established cooperative relation; and that Pareto Optimality also exists between Providers and Consumer with the increase of users' purchase transactions when both have a repeated game.

Cooperative and Non-Cooperative Game-Theoretic Analyses of Adoptions of Security Policies for DRM

A secure and trusted distribution of digital contents is a fundamental requirement for Digital Rights Management (DRM) system, so that the integrity of user terminal platform should be verified prior to contents' distribution in order to assure that the platform is free from a malicious modification and attack. Recent years the emerging trusted computing has better enhanced the necessary functionality, though existing remote attestation models and relevant protocols could not solve a critical problem of the privacy protection of the attested platform states, which include basic configurations and security attributes. We proposed an implementation of trustworthy dissemination of digital contents by using a third party attestation proxy-enabling remote attestation model with the privacy protection of the front-end user device environment. Also, a Xen virtualization-based terminal platform architecture, which primarily enforces the domain isolation among the processes or key components, was presented. Finally, an application case manifested the proposed model and platform architecture not only realized the remote integrity verification of user end devices that was carried out on the back-end contents server side, but effectively protected the platform states privacy, further improving the usability of DRM system.

Implementing Trustworthy Dissemination of Digital Contents by Using a Third Party Attestation Proxy-Enabling Remote Attestation Model

A legitimate contents sharing is an essential functionality of DRM (Digital Rights Management)-enabling contents industry and its value chain extension. In order to effectively choose and deploy some typical security policies in a contents sharing scenario, we introduced game theory to analysis the mutual influence of adoptions of trusted computing enabling enhanced security policies on benefits of two stakeholders, which are DRM Providers and contents Sharer who is a category of consumers. A dynamic and mixed game and its algorithm were proposed, where Sharer’s strategies were whether to employ the trusted computing enabling devices and related components or not, as well as Providers’ strategies included entirely general security, entirely enhanced security and dynamic security policies. We concluded from both game-theoretic analyses and Swarm simulation experiments that the number of acquired sharable digital rights and security cost have a direct effect on Sharer's choices of the enhanced secu...

Game-Theoretic Analyses and Simulations of Adoptions of Security Policies for Drm in Contents Sharing Scenario

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