Please use this identifier to cite or link to this item: https://doi.org/10.1007/978-3-540-92957-4_78
Title: On the security of an MPEG-video encryption scheme based on secret huffman tables
Authors: Li, S.
Chen, G.
Cheung, A.
Lo, K.-T.
Kankanhalli, M. 
Issue Date: 2009
Source: Li, S.,Chen, G.,Cheung, A.,Lo, K.-T.,Kankanhalli, M. (2009). On the security of an MPEG-video encryption scheme based on secret huffman tables. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 5414 LNCS : 898-909. ScholarBank@NUS Repository. https://doi.org/10.1007/978-3-540-92957-4_78
Abstract: 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. © 2009 Springer Berlin Heidelberg.
Source Title: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
URI: http://scholarbank.nus.edu.sg/handle/10635/41364
ISSN: 03029743
DOI: 10.1007/978-3-540-92957-4_78
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