Publikation: On the Security of an MPEG-Video Encryption Scheme Based on Secret Huffman Tables
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WADA, Toshikazu, ed. and others. Advances in Image and Video Technology : Third Pacific Rim Symposium, PSIVT 2009, Tokyo, Japan, January 13 - 16, 2009. Berlin [u.a.]: Springer, 2009, pp. 898-909. Lecture notes in computer science. 5414. ISBN 978-3-540-92956-7
Zusammenfassung
This paper re-studies the security of an MPEG-video encryption scheme based on secret Huffman tables. The present cryptanalysis shows that: 1) the key space of the encryption scheme is not sufficiently large against divide-and-conquer (DAC) ciphertext-only attack; 2) its security against the chosen-plaintext attack is very weak. The insecurity is mainly due to the separated use of different Huffman tables for different sets of syntax elements. A brief discussion on how to improve this MPEG-video encryption scheme is also given.
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LI, Shujun, Guanrong CHEN, Albert CHEUNG, Kwok-Tung LO, Mohan KANKANHALLI, 2009. On the Security of an MPEG-Video Encryption Scheme Based on Secret Huffman Tables. In: WADA, Toshikazu, ed. and others. Advances in Image and Video Technology : Third Pacific Rim Symposium, PSIVT 2009, Tokyo, Japan, January 13 - 16, 2009. Berlin [u.a.]: Springer, 2009, pp. 898-909. Lecture notes in computer science. 5414. ISBN 978-3-540-92956-7BibTex
@inproceedings{Li2009Secur-5668,
year={2009},
title={On the Security of an MPEG-Video Encryption Scheme Based on Secret Huffman Tables},
number={5414},
isbn={978-3-540-92956-7},
publisher={Springer},
address={Berlin [u.a.]},
series={Lecture notes in computer science},
booktitle={Advances in Image and Video Technology : Third Pacific Rim Symposium, PSIVT 2009, Tokyo, Japan, January 13 - 16, 2009},
pages={898--909},
editor={Wada, Toshikazu},
author={Li, Shujun and Chen, Guanrong and Cheung, Albert and Lo, Kwok-Tung and Kankanhalli, Mohan}
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<dcterms:abstract xml:lang="eng">This paper re-studies the security of an MPEG-video encryption scheme based on secret Huffman tables. The present cryptanalysis shows that: 1) the key space of the encryption scheme is not sufficiently large against divide-and-conquer (DAC) ciphertext-only attack; 2) its security against the chosen-plaintext attack is very weak. The insecurity is mainly due to the separated use of different Huffman tables for different sets of syntax elements. A brief discussion on how to improve this MPEG-video encryption scheme is also given.</dcterms:abstract>
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<dcterms:bibliographicCitation>First publ. in: Advances in Image and Video Technology: Third Pacific Rim Symposium, PSIVT 2009, Tokyo, Japan, January 13 - 16, 2009; proceedings (LNCS 5414), 2009, pp. 898 909</dcterms:bibliographicCitation>
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