On-the-fly verification of rateless erasure codes for efficient content distribution

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On-the-fly verification of rateless erasure codes for efficient content distribution (2004)

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by Maxwell N. Krohn

Venue:	In Proceedings of the IEEE Symposium on Security and Privacy
Citations:	137 - 4 self

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@INPROCEEDINGS{Krohn04on-the-flyverification,
    author = {Maxwell N. Krohn},
    title = {On-the-fly verification of rateless erasure codes for efficient content distribution},
    booktitle = {In Proceedings of the IEEE Symposium on Security and Privacy},
    year = {2004},
    pages = {226--240}
}

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Abstract

Abstract — The quality of peer-to-peer content distribution can suffer when malicious participants intentionally corrupt content. Some systems using simple block-by-block downloading can verify blocks with traditional cryptographic signatures and hashes, but these techniques do not apply well to more elegant systems that use rateless erasure codes for efficient multicast transfers. This paper presents a practical scheme, based on homomorphic hashing, that enables a downloader to perform on-the-fly verification of erasure-encoded blocks. I.

Keyphrases

on-the-fly verification rateless erasure code efficient content distribution efficient multicast transfer elegant system erasure-encoded block peer-to-peer content distribution homomorphic hashing practical scheme traditional cryptographic signature malicious participant simple block-by-block downloading corrupt content

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