On the Security of an MPEG-Video Encryption Scheme Based on Secret Huffman Tables
Li, SJ, Chen, G, Cheung, A, Lo, KT and Kankanhalli, M (2009) On the Security of an MPEG-Video Encryption Scheme Based on Secret Huffman Tables In: 3rd Pacific-Rim Symposium on Image and Video Technology (PSIVT 2009), 2009-01-13 - 2009-01-16, Tokyo, JAPAN.
Available under License : See the attached licence file.
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.
|Item Type:||Conference or Workshop Item (Conference Paper)|
|Divisions :||Faculty of Engineering and Physical Sciences > Computing Science|
|Identification Number :||10.1007/978-3-540-92957-4_78|
|Uncontrolled Keywords :||MULTIMEDIA ENCRYPTION, DIGITAL VIDEO, ALGORITHMS, DESIGN|
|Related URLs :|
|Additional Information :||The original publication is available at http://www.springerlink.com|
|Depositing User :||Symplectic Elements|
|Date Deposited :||24 Sep 2014 13:51|
|Last Modified :||17 Jan 2015 14:36|
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