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Consider a sender, Alice, who wants to transmit private messages to two receivers, Bob and Calvin, using unreliable wireless broadcast transmissions and short public feedback from Bob and Calvin. In [1], we assumed that Bob and Calvin provide honest feedback, and characterized the secure capacity region of the private messages under the requirement that Bob and Calvin do not learn each other's message...
In a distributed environment, and more specially in service oriented architectures, the entities interacting one with another rely on credentials to decide whether an action they are told to perform is permitted. These credentials are exchanged within trust negotiation sessions during which the participating entities build up trust by communicating certificates to trusted peers. Dolev and Yao have...
Communicating Sequential Processes (CSP) is a process algebra, designed for modeling and analyzing the behavior of concurrent systems. Several security protocols are modeled with CSP and verified using model-checking or theorem proving techniques successfully. Unlike other authentication protocols modeled using CSP, each of the Efficient Multi-chained Stream Signature (EMSS) protocol messages are...
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