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In addition to standard authentication and data confidentiality requirements, Cognitive Radio Networks (CRNs) face distinct security issues such as primary user emulation and spectrum management attacks. A compromise of these will result in a denial of service, eavesdropping, forgery, or replay attack. These attacks must be considered while designing a secure media access control (MAC) protocol for...
Public Key Infrastructure (PKI) implementations and deployments have been encountering many problems. Most of the information security officers are torn between adhering to the standards or following up a particular mathematical and theoretical model. In this paper we are implementing and deploying PKI at University of Tabuk. In this real world experience we do believe that we can avoid many difficulties,...
The Internet has evolved to become an essential tool for communication. However, this communication is increasingly involved in strategic issues related to the security of information being exchanged. Transactions made through the network can be intercepted; therefore, it will be necessary to ensure the security of such information. Cryptographic techniques can play a very important role to address...
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