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Non-malleable commitments, introduced by Dolev, Dwork and Naor (STOC 1991), are a fundamental cryptographic primitive, and their round complexity has been a subject of great interest. And yet, the goal of achieving non-malleable commitments with only one or two rounds} has been elusive. Pass (TCC 2013) captured this difficulty by proving important impossibility results regarding two-round non-malleable...
The Unidirectional Lightweight Encapsulation (ULE) and the Generic Stream Encapsulation (GSE) protocol have been defined as extensible mechanisms for the efficient carriage of IP data over Digital Video Broadcasting (DVB) links, but, in keeping overhead at minimum, they do not include any security functionality. This is an issue for DVB broadcast links, which are vulnerable due to their typically...
Recently, Lee et al. proposed a remote authentication model of information appliances (RAMIA). Unfortunately, RAMIA has a fatal error that opens the entire home network of information appliances to hackers. In this paper, we propose a new secure remote control model for information appliances (SRCMIA) to fix this error. Besides, our model can also achieve both message authentication and one-time secret...
In this paper we discuss the use cases for monitoring of Web services for compliance with policies and service level agreements. In particular, the quality of service associated with Web service interactions and its monitoring rely on the proper use by both parties of related Web service protocols. This monitoring is best served by an event-centric model and an extensible scripting language, such...
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