Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 85 for “"secure communication"”.
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Secure communication : CDS, PIR, PSM
… a construction for this variant with similar communication to that of the best PIR protocols known. We study information theoretic models in cryptography, namely Private Information Retrieval, Conditional Disclosure of Secrets, and Private Simultaneous Messages. We give extensions of PIR and …
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Nonparametric Anomaly Detection and Secure Communication
… the second problem generally involves design of communication schemes to transmit data securely in the presence of malicious eavesdroppers. The main theme of this thesis is to exploit information theoretic and statistical tools to address the above two security issues in order to provide …
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Secure Communication Networks for Connected Vehicles
… drive-by-wire and autonomous driving, advanced communication protocols to connect vehicles and the infrastructure have been proposed. However, practical large-scale deployments have been hindered due to caveats such as hardware, and infrastructure demands — including the security of vehicles, …
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Adaptive Synchronization of Chaos for Secure Communication
… the use of adaptive synchronization of chaos for secure communication. Several non-linear models were studied, the one-dimensional logistic map, two-dimensional coupled logistic map, three dimensional Lorenz systems with and without time delay. Numerical simulation using MATLAB was conducted. The …
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Optimizing secure communication standards for disadvantaged networks
… links. We first provide an assessment of current secure communication message packing standards and their relevance to disadvantaged networks. Then we offer methods to reduce message overhead in packing Cryptographic Message Syntax (CMS) structures by using ZLIB compression and using a Lite …
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Design and Implementation of a Secure Communication Architecture
Internet communications transitioned from the traditional client-server model to the cloud model and are going towards a decentralized hybrid model. The communications are protected by the traditional security protocols. The participants (especially, server-side) are authenticated using a …
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Group-based secure communication for wireless sensor networks
… This can lead an adversary to compromise the communication of an entire WSN. Additionally ignoring security issues related to data aggregation can also bring large damage to WSNs. Furthermore, in case an aggregator node, group leader or cluster head node fails there should be a secure and …
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Intrinsically secure communication in large-scale wireless networks
… significantly strengthen the security of digital communications systems. Motivated by recent developments in the field, this thesis aims at a characterization of the fundamental secrecy limits of large-scale wireless networks. We start by introducing an information-theoretic definition of the …
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Anonymous and Secure Communication in a Wireless Mesh Network
… to be a part of the same network. The communication can be achieved by directly communicating with the router by being in its range or in an ad hoc fashion through several hops. A WMN is mainly designed to be self-configured and self-adjusting dynamically. This ensures large network …
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Secure communication through free-space channel using quantum illumination
Secure communication based on quantum illumination (QI) provides high-speed direct communication in the presence of loss and noise and is secure against passive eavesdropping. Recently, the QI based communication protocol has been demonstrated in a fiber channel. In this thesis, we extend the QI …
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Energy-Efficient Hardware Architectures for Enhanced Secure Communication Systems
… heightened security risks, particularly in the communication between billions of connected devices. This thesis presents significant advancements in secure and reliable communication systems, crucial for addressing these risks within IoT infrastructures. It explores the development and …
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Energy-efficient routing and secure communication in wireless sensor networks
… environment and the presence of error-prone communication links expose these networks to various security breaches. As a result, any designed routing protocol need to be robust and secure against one or more malicious attacks. This thesis aims to provide an effective solution for minimizing …
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Cooperative strategies for pairwise secure communication channels in sensor networks
Establishing secure communication channels in sensor networks is made especially difficult because of low power resources, hostile environments, and wireless communication. The power requirements of traditional cryptographic methods create the need for alternative strategies for secure …
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Design of New-generation Quantum Key Distribution Systems for Secure Communication
… security of the task of remote secure key distribution. Unlike its classical counterpart, the security of QKD does not rely on the lack of computational power of the current classical computers on one-way functions such as prime factorisation. QKD thus ensures the long-term …
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Experimental Demonstration of Quantum Low Probability of Intercept for Ultra-Secure Communication
Secure communication systems utilize encryption with shared keys between the sender and receiver of the encrypted message. For added security, the encrypted message can be hidden within a significant amount of noise so that the eavesdropper could not even extract the actual encrypted message, let …
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Resource allocation and secure communication design in simultaneous wireless information and power transfer systems
… of this emerging technology in various wireless communication scenarios. First, this thesis examines the application of SWIPT to a multi-user cooperative network in which the amplify-and-forward (AF) relay protocol is employed at the multi-antenna relay. A power splitting (PS) receiver …
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Characterisation and performance analysis of random linear network coding for reliable and secure communication
… Linear Network Coding (RLNC), and propose novel communication schemes for the achievement of both reliability and security in wireless networks. In particular, (i) we present an analytical model to evaluate the performance of practical RLNC schemes suitable for low-complexity receivers, …
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A Novel Multiple Access Quantum Key Distribution Network for Secure Communication. An Investigation into The Use of Laws of Quantum Physics And Communication Protocols To Enable Multiple Clients To Exchange Quantum Keys In A Lan Environment For Secure Communication
… which is usually transmitted using public/insecure communication channels. On the one hand, the technological advancement of universal connectivity brought so much ease for humans’ race in business, shopping, and financial transactions. The rapid pace of this technological advancement also …
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Security in pervasive health care using location-based key generation schemes
… user's acceptance of these new technologies. Secure communication protects data from unauthorized users and usually requires pairwise keys. In all existing schemes these keys are generated and distributed to nodes wishing to communicate. The key generation phase is usually well-secured but the …
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