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- W79580022 abstract "Authentication and Key Establishment (AKE) in computer and communication networks refers to a process of enabling a group (of two or more members) to communicate securely with the confidence that no non-member can legibly eavesdrop or pretend to be a member of the group. The need for such a process can be realized in a variety of applications in computer and communication networks where two or more entities need to communicate over shared communication media. The fundamental question addressed by this dissertation is How to enable two entities to communicate securely? The computing and communication environments affect the overall design of the AKE solution. Since these environments vary from powerful computing devices on high-bandwidth networks to much smaller low-power sensor devices on low-bandwidth wire less networks, there is no single solution (no silver bullet) to solve the problem in every environment. This dissertation identifies the major constraints in typical environments and proposes solutions for each of the scenarios meeting the constraints. In this research, we first broadly classify the environments in three scenarios on the basis of available computation power, energy, and communication bandwidth. (1) High-end to High-end Communication; (2) High-end to Low-end Communication; (3) Low-end to Low-end Communication. We then propose solutions to AKE and related problems. For the first scenario, we propose the following solutions: (a) efficiently integrating Diffie-Hellman key exchange protocol into Digital Signature Algorithm, (b) a new design for discrete-logarithm-based, factoring-based, and elliptic-curve-based AKE protocol using single cryptographic assumption, (c) a new design for digital certificates to facilitate AKE.For the second scenario, we propose a solution to use a combination of symmetric-key cryptography and public-key cryptography to design efficient and secure AKE protocol in a wireless environment. For the third scenario, we propose the following solutions: (a) a modeling scheme for pairwise key establishment for random key distribution in large-scale sensor networks; (b) a scheme for key predistribution and shared-key discovery in sensor networks; (c) a source-routing-based scheme for pairwise key establishment in sensor networks." @default.
- W79580022 created "2016-06-24" @default.
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- W79580022 date "2006-01-01" @default.
- W79580022 modified "2023-09-28" @default.
- W79580022 title "Authentication and key establishment in computer and communication networks: no silver bullet" @default.
- W79580022 hasPublicationYear "2006" @default.
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