A Trapdoor Hash-Based Mechanism for Stream Authentication


Digital streaming Internet applications like online gaming, multimedia playback, shows, news feeds, and stock quotes involve finish-users with very low tolerance for top latency, low knowledge rates, and playback interruption. To protect such delay-sensitive streams against malicious attacks, security mechanisms want to be designed to efficiently method long sequence of bits. We study the problem of efficient authentication for real-time and delay-sensitive streams commonly seen in content distribution, multicast, and peer-to-peer networks. We tend to propose a novel signature amortization technique primarily based on trapdoor hash functions for authenticating individual knowledge blocks during a stream. Our technique provides: 1) Resilience against transmission losses of intermediate blocks in the stream; 2) Tiny and constant memory/compute requirements at the sender and receiver; three) Minimal constant communication overhead required for transmission of authenticating data. Our proposed technique renders authentication of digital streams practical and efficient. We have a tendency to substantiate this claim by constructing tt DL-tt SA, a discrete-log-primarily based instantiation of the proposed technique. tt DL-tt SA provides adaptive stream verification, where the receiver has management over modulating computation value versus buffer size. Our performance analysis demonstrates that tt DL-tt SA incurs the smallest amount per-block communication and signature generation overheads compared to existing schemes with comparable options.

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PROJECT TITLE : Hop-by-Hop Message Authenticationand Source Privacy in WirelessSensor Networks - 2014 ABSTRACT: Message authentication is one of the most effective ways to thwart unauthorized and corrupted messages from being

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