Military Communications and Information Technology: A Trusted ...

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466 Military Communications and Information Technology... controlled movement of data streams from inside and outside of the PA networks. The organization of large networks protection mechanism through encryption is not easy. Effective cryptographic tools and a number of organizational operations that allow safe and punctual distribution of cryptographic data are necessary for this purpose [9]. Cryptographic tools should not impact the deterioration of the communication services of an IT system. In order for these devices to work correctly, it is necessary to regularly deliver the cryptographic data (symmetric/asymmetric keys, random sequences and other) [10]. Modern communication networks consisting of several hundred or even several thousand devices require huge amounts of cryptographic data. The generation of cryptographic data entails the performance of large amount of time-consuming calculations and does not only relate to the problem of generation of cryptographic keys, but also to their appropriate protection against errors, disclosure, labeling and storage. The currently applied systems and tools for generating cryptographic data are not very efficient for large communication networks, where symmetric keys are used. For every information relation, appropriate cryptographic data should be assumed, e.g. if there is n=100 stations, at least n*(n-1)/2, i.e. nearly 5 thousand cryptographic data for the “peer-to-peer” information relation model should be prepared. The planning, generation and distribution of cryptographic data for such a large network is a technically complicated system. II. Architecture of an information system Let us consider the example PA system environment. The primary basis for determining the structure of an information system is the territorial division of the country. Within the division, the voivodeships along with the administration authorities that report to governmental institutions are important. The country is divided into 16 voivodeships which are created by poviats. We assume that the information system in question comprises management centers (MC) that may be duplicated given the need to achieve sufficiently high survival level. The composition of an example voivodeship MC is presented in Table 1. In accordance with the administrative division of the country, 16 such MCs are present within the Republic of Poland. The central element of the state management is the president of the Republic of Poland (PRP), however, the majority of information processes will be addressed to the Prime Minister and the PM MC. It was assumed that information reports from the authorities subordinate to the PM will deliver information to the PM MC. Only the information already edited and aggregated will be delivered to the PM MC. An exemption may constitute the information reports delivered by the Ministry of Interior and Administration and Ministry of National Defense. Depending
Chapter 4: Information Assurance & Cyber Defence 467 on the situation, information reports from the ministries of interior and defense might be provided both to the PM and PRP. It was proposed to classify the elements directly subordinate to the relevant ministries as internal elements. These are central authorities not belonging to the GA (Governmental Administration) and central authorities of the GA that will be joined through information relations with the relevant ministries. Figure 1. Architecture of the PA Information System As a result of the above analyses, the architecture of the PA system can be identified. It is graphically shown in Figure 1. The total number of the MCs for that particular information system equals 867 nodes. Probably there will be as many nodes in an communication network that will transfer information streams within the system. Not all nodes will exchange information between themselves, thus,
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Military Communications and Informa
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Contents Foreword .................
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Contents 5 Methodology for Gatherin
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8 Military Communications and Infor
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Building a Layered Enterprise Archi
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Chapter 1: Concepts and Solutions f
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Applying NAF for Performance Analys
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Openness in Military Systems Jessic
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The Concept of Integration Tool for
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CFBLNet: A Coalition Capability Ena
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Selected Aspects of Effective RCIED
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84 Military Communications and Info
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Chapter 2 Communications and Inform
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Use of Cross Domain Guards for CoNS
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Chapter 2: Communications and Infor
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Chapter 3 Information Technology fo
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Run-Time Ontology on the Basis of E
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Chapter 3: Information Technology f
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A Robust and Scalable Peer-to-Peer
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Automatic Exploitation of Multiling
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Information Fusion Under Network Co
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Commanding Multi-Robot Systems with
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Application of CID Server in Decisi
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Managing Lessons Learnt from Daily
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Federated Cyber Defence System - Ap
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Development of High Assurance Guard
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Network Traffic Characteristics for
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